1 2000-03-20 Richard Henderson <rth@cygnus.com>
3 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4 (combine_stack_adjustments_for_block): Don't allow sp references
5 in the side of a set we're not fixing up.
6 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9 2000-03-20 Richard Henderson <rth@cygnus.com>
11 * calls.c (expand_call): Don't bother generating tail call
12 sequences if there are pending cleanups. Use
13 expand_start_target_temps/expand_end_target_temps to elide
14 cleanups created during sibcall expansion.
16 2000-03-20 Geoff Keating <geoffk@cygnus.com>
18 * configure.in: Set $IFS to a value if it doesn't already have one
19 in the --enable-checking handling.
20 * configure: Regenerate.
22 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
24 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
25 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
28 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
30 * jump.c (delete_noop_moves): Remove code attempting to
31 combine stack adjustments.
33 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
35 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
36 * except.c (emit_cleanup_handler): Use them.
37 (expand_end_all_catch): Likewise.
38 * function.c (fixup_var_refs): Likewise.
39 (expand_function_end): Clear catch_clauses_last.
40 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
41 * except.h (struct eh_status): New field x_catch_clauses_last.
42 (catch_clauses_last): New define.
44 * Makefile.in (tree.o): Depend on HASHTAB_H.
45 * tree.c: Include hashtab.h.
46 (struct type_hash): Remove next field.
47 (TYPE_HASH_SIZE): Remove.
48 (TYPE_HASH_INITIAL_SIZE): New define.
49 (type_hash_table): Change type to htab_t.
50 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
51 mark_hash_entry): New functions.
52 (init_obstacks): Allocate type hash.
53 (type_hash_lookup): Use htab functions.
54 (type_hash_add, mark_type_hash): Likewise.
55 (dump_tree_statistics): Call print_type_hash_statistics.
57 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * rs6000/t-aix41: New file.
61 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
63 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
65 * tm.texi (Driver): Fix typos and tweak entry for
67 Move misplaced STRUCT_FORCE_BLK entry ...
68 (Storage Layout): ... to here.
69 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
71 2000-03-19 Richard Henderson <rth@cygnus.com>
73 * flow.c (delete_block): Delete the addr_vec along with the block.
74 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
77 * fold-const.c (extract_muldiv): Apply type check for defined
78 overflow to multiply as well as divide.
80 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
82 2000-03-18 Mark Mitchell <mark@codesourcery.com>
84 * emit-rtl.c (remove_unncessary_notes): Check that all
85 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
86 associated NOTE_BLOCK.
87 * function.h (identify_blocks): Update comments.
88 (reorder_blocks): Declare.
89 * function.c (identify_blocks): Don't take paramters.
90 (reorder_blocks): Don't take parameters.
91 * loop.h (find_loop_tree_blocks): Remove.
92 (unroll_block_trees): Likewise.
93 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
94 reorder_blocks instead of unroll_block_trees.h
95 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
96 * stmt.c (find_loop_tree_blocks): Remove.
97 (unroll_block_trees): Likewise.
98 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
99 in whole-function mode.
100 * tree.h (reorder_blocks): Remove declaration.
102 * expr.c: Include intl.h.
103 * Makefile.in (expr.o): Depend on intl.h.
105 2000-03-18 Richard Henderson <rth@cygnus.com>
107 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
109 2000-03-18 Mark Mitchell <mark@codesourcery.com>
111 * tree.h (tree_index): Remove enumerals for integer types.
112 (integer_type_kind): New type.
113 (integer_types): New variable.
114 (char_type_node): Adjust.
115 (signed_char_type_node): Likewise.
116 (unsigned_char_type_node): Likewise.
117 (short_integer_type_node): Likewise.
118 (short_unsigned_type_node): Likewise.
119 (integer_type_node): Likewise.
120 (unsigned_type_node): Likewise.
121 (long_integer_type_node): Likewise.
122 (long_unsigned_type_node): Likewise.
123 (long_long_integer_type_node): Likewise.
124 (long_long_unsigned_type_node): Likewise.
125 * tree.c (integer_types): New variable.
126 (init_obstacks): Register it as a root.
128 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
130 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
131 NEXT_INSN. Update last insn in chain.
133 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
135 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
136 with TYPE_DECL_SUPPRESS_DEBUG set.
138 2000-03-18 Richard Henderson <rth@cygnus.com>
140 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
142 2000-03-18 Richard Henderson <rth@cygnus.com>
144 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
146 (expander_call_insn_operand): Remove.
147 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
148 * i386.h (PREDICATE_CODES): Update.
149 * i386.md (all call expanders): Remove predicates, remove special
150 handling for half-pic.
151 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
152 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
153 (sibcall_epilogue): New.
155 2000-03-17 Richard Henderson <rth@cygnus.com>
157 * rtlanal.c (single_set): Reject if the parallel has anything
158 except SET or USE or CLOBBER.
160 2000-03-17 Jeff Law <law@cygnus.com>
161 Richard Henderson <rth@cygnus.com>
163 * Makefile.in (OBJS): Add sibcall.o.
165 * sibcall.c: New file.
166 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
167 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
168 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
169 Emit sibcall patterns when requested. Update all callers.
170 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
171 elimination seems feasable.
172 * final.c (leaf_function_p): Sibling calls don't discount being
174 * flow.c (HAVE_sibcall_epilogue): Provide default.
175 (find_basic_blocks_1): Sibling calls don't throw.
176 (make_edges): Make edge from sibling call to EXIT.
177 (propagate_block): Don't remove sibcall_epilogue insns.
178 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
179 (sibcall_epilogue): New.
180 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
181 (identify_blocks_1): Likewise. Break out from ...
182 (identify_blocks): ... here.
183 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
184 (reorder_blocks): ... here.
185 (init_function_for_compilation): Zap prologue/epilogue as varrays.
186 (record_insns): Extend a varray instead of mallocing new memory.
187 (contains): Read a varray not array of ints.
188 (sibcall_epilogue_contains): New.
189 (thread_prologue_and_epilogue_insns): Emit and record
190 sibcall_epilogue patterns.
191 (init_function_once): Allocate prologue/epilogue varrays.
192 * genflags.c (gen_insn): Treat sibcall patterns as calls.
193 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
195 (save_for_inline_nocopy): ... here.
196 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
198 (expand_inline_function): ... here.
199 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
200 (subst_constants): Handle 'n' formats.
201 * jump.c (jump_optimize_minimal): New.
202 (jump_optimize_1): New arg `minimal'; update callers. Elide most
203 optimizations if it's set.
204 * rtl.c (copy_rtx): Do copy jump & call for insns.
205 * rtl.h (struct rtx_def): Document use of jump and call for insns.
206 (SIBLING_CALL_P): New.
207 (sibcall_use_t): New.
208 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
209 Invoke optimize_sibling_and_tail_recursive_calls.
210 * tree.c (lang_safe_for_unsave): New.
211 (safe_for_unsave): New.
212 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
214 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
215 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
216 (*sibcall_osf_1, *sibcall_value_osf_1): New.
218 2000-03-17 Mark Mitchell <mark@codesourcery.com>
220 * objc/objc-act.c (encode_method_prototype): Pass types, not
221 PARM_DECLs, to int_size_in_bytes.
223 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
225 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
227 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
228 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
230 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
232 * Clean up usages of TREE_INT_CST_LOW.
233 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
234 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
236 * c-tree.h (min_precision): Move declaration to here.
237 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
238 (build_unary_op, add_pending_init): Use bit_position.
239 (pending_init_member, process_init_element): Likewise.
240 (really_start_incremental_init, push_init_level, pop_init_level):
241 Don't make copies of nodes or modify them in place, use consistent
242 types when tracking positions, and use tree routines computations.
243 (set_init_index, output_init_element): Likewise.
244 (output_pending_init_elements, process_init_element): Likewise.
245 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
246 tree_low_cst and int_bit_position; also minor cleanup.
247 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
248 (print_cst_octal): Precision is unsigned.
249 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
250 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
251 (simple_type_align_in_bits): Result is unsigned int.
252 Use tree_int_low_cst and host_integerp.
253 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
254 (field_byte_offset): Result is HOST_WIDE_INT.
255 Change types of internal variables so alignments are unsigned int,
256 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
257 Use host_integerp, tree_low_cst, and int_bit_position.
258 (add_bit_offset_attribute): Likewise.
259 (add_data_member_location_attribute): Use tree_cst_low.
260 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
261 (add_bit_size_attribute): Use tree_low_cst.
262 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
263 * dwarfout.c: Similar changes to dwarf2out.c.
264 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
265 * genoutput.c (n_occurences): Return -1 for null string.
266 (strip_whitespace): Accept null string and make into function.
267 (scan_operands): Reflect above changes.
268 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
269 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
270 * ssa.c (rename_registers): Add missing cast of arg to bzero.
271 * tree.c (int_size_in_bytes): Check for too big to represent.
272 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
273 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
275 (min_precision): Delete from here.
276 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
277 and int_bit_position.
278 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
279 (encode_method_def): Likewise.
280 (build_ivar_list_initializer): Use int_bit_position.
281 (generate_shared_structures): Convert size.
282 (encode_type, encode_complete_bitfield): Use integer_zerop.
283 (encode_bitfield): Use tree_low_cst and int_bit_position.
285 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
287 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
289 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
291 * call.c (special_function_p): It is only malloc if it returns
294 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
296 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
297 (C33_FLAG, TARGET_C3X): Add macros.
298 (TARGET_SWITCHES): Add -m33 option.
299 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
301 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
303 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
304 (PARALLEL_PACK_FLAG): Delete.
305 (TARGET_SWITCHES): Update.
306 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
308 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
310 * fold-const.c (fold): Fix a few cases when the returned result
311 is not of the same type as the input.
313 2000-03-16 Nick Clifton <nickc@cygnus.com>
315 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
318 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
320 * libgcc2.h: Move prototypes above macros with the same name.
321 Wrap some function prototypes in the conditional which indicates
322 whether they are supported, i.e. "BITS_PER_UNIT == 8".
324 2000-03-16 Richard Henderson <rth@cygnus.com>
326 * calls.c: Revert last two changes.
328 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
330 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
331 has exponent 0 is a zero.
333 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
334 HASH may already be nonzero. Add code/mode into hash value
335 immediately after repeat label.
336 (cselib_lookup): Don't leave the hash table in an inconsistent
337 state before a hash lookup operation.
339 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
341 * i386.md (all HI and QI mode non-move patterns): Conditionize
342 by TARGET_[HQ]IMODE_MATH.
343 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
344 x86_promote_qi_regs): Declare.
345 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
346 TARGET_PROMOTE_QI_REGS): New macros.
347 (PROMOTE_MODE): New macro.
348 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
349 x86_promote_qi_regs): New global variables.
351 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
353 * calls.c (emit_library_call_value_1): Break out from ...; handle
354 VOIDmode function calls too.
355 (emit_library_call_value): ... here.
356 (emit_library_call): Implement by calling emit_library_call_value_1.
358 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
360 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
361 Update arg_space_so_far on stack adjustments.
362 (emit_library_call, emit_library_call_value): Likewise; take into
363 account arg_space_so_far and pending_stack_adjust when calculcating
366 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
368 * flow.c: Move all basic block reordering code into its own file.
369 (create_basic_block): Externalize.
370 * bb-reorder.c: New file. Copy all basic block reordering code from
372 (reorder_basic_blocks): Fix fencepost error in for-loop.
373 (reorder_basic_blocks): Remove braces from single statement for-loops.
374 * basic-block.h: Add declaration for create_basic_block.
375 * Makefile.in: Add rules for bb-reorder.o.
377 2000-03-16 Neil Booth <NeilB@earthling.net>
379 * cppinit.c (handle_option): Implement #unassert directive
380 as -A- command line option.
381 (print_help): Update.
384 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
386 * md.texi (Standard Names): Document `jump'.
388 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
390 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
393 2000-03-15 Geoff Keating <geoffk@cygnus.com>
395 See the ChangeLog on the branch for more details.
397 * configure.in: Merge in changes from newppc-branch.
398 * configure: Regenerate.
399 * config/rs6000/*: Merge in changes from newppc-branch.
400 Also correct copyright notices.
402 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
404 * acconfig.h (HAVE_GAS_WEAK): New define.
405 * configure.in (assembler weak support): Check for .weak support.
406 * config.in, configure: Rebuilt.
407 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
408 HAVE_GAS_WEAK is defined.
410 2000-03-15 Nick Clifton <nickc@cygnus.com>
412 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
415 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
417 * cppfiles.c (open_include_file): New function.
418 (find_include_file, cpp_read_file): Use it.
420 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
422 * cpphash.c (dump_hash_helper): Take the slot, not the element.
424 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
426 * flow.c (verify_flow_info): Check for unconditional return.
428 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
430 * config/ia64/ia64.md (restore_stack_nonlocal): New.
431 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
432 (__ia64_restore_stack_nonlocal): New.
433 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
435 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
437 * cpphash.c (collect_formal_parameters): Do not complain about
438 parameter names that just start with `__VA_ARGS__'.
440 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
442 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
443 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
444 * i386.c (pentiumpro_cost): Set mul cost to 4.
445 (x86_use_movx): Set for PPro.
447 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
449 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
450 STACK_BOUNDARY for empty frames now.
452 2000-03-14 Mark Mitchell <mark@codesourcery.com>
454 * stor-layout.c (layout_union): Remove.
455 (layout_union_field): New function, split out from layout_union.
456 (finish_union_layout): Likewise.
457 (layout_field): Handle unions by calling layout_union_field.
458 (finish_record_layout): Handle unions.
459 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
460 QUAL_UNION_TYPE handling.
462 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
464 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
465 end of basic block is jump_insn, not barrier; use create_basic_block
466 instead of creating basic block by hand.
468 2000-03-14 Jason Eckhardt <jle@cygnus.com>
470 * flow.c (reorder_basic_blocks): Account for barriers when writing
471 over NEXT_INSN (last_bb->end).
472 (verify_flow_info): Add check for missing barriers.
474 2000-03-14 Greg McGary <gkm@gnu.org>
476 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
477 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
478 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
479 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
480 __unbounded, __unbounded__): New keywords.
481 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
482 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
483 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
485 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
487 * cselib.h: New file.
488 * alias.c: Include "cselib.h".
489 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
490 MEMs as two new arguments.
491 (get_addr): New static function.
492 (find_base_term): Handle VALUEs.
493 (memrefs_conflict_p): Likewise.
494 (true_dependence): Call get_addr on the addresses.
495 Call fixed_scalar_and_varying_struct_p with addresses that have been
496 passed through get_addr and canon_rtx.
497 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
498 with true_dependence.
499 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
500 * loop.c: Include "cselib.h".
501 (load_mems): Process extended basic block that enters the loop with
502 cselib. Use that information to change initialization of the shadow
503 register so that a constant equivalence is seen by later passes.
504 * reload1.c: Include "cselib.h".
505 (reload_cse_invalidate_regno): Delete function.
506 (reload_cse_mem_conflict_p): Likewise.
507 (reload_cse_invalidate_mem): Likewise.
508 (reload_cse_invalidate_rtx): Likewise.
509 (reload_cse_regno_equal_p): Likewise.
510 (reload_cse_check_clobber): Likewise.
511 (reload_cse_record_set): Likewise.
512 (reg_values): Delete static variable.
513 (invalidate_regno_rtx): Likewise.
514 (reload_cse_delete_noop_set): New static function.
515 (reload_cse_simplify): New static function, broken out of
517 (reload_cse_noop_set_p): Delete unused argument INSN.
518 Just call rtx_equal_for_cselib_p on set source and destination.
519 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
520 reload_cse_delete_noop_set. Delete code to keep track of values; use
521 cselib functions instead. Delete code to push/pop obstacks.
522 (reload_cse_simplify_set): Use cselib to find equivalent values.
523 Delete code to push/pop obstacks.
524 (reload_cse_simplify_operands): Likewise.
525 * rtl.def (VALUE): New rtx code.
526 * rtl.h (union rtunion_def): New elt rt_cselib.
527 (X0CSELIB, CSELIB_VAL_PTR): New macros.
528 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
529 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
530 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
531 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
532 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
533 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
534 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
535 cselib_record_set, cselib_record_sets): New static functions.
536 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
537 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
538 references_value_p): New functions.
539 (MAX_USELESS_VALUES, REG_VALUES): New macros.
540 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
541 n_useless_values, reg_values, callmem, cselib_obstack,
542 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
543 New static variables.
544 * varray.h (union varray_data_tag): New elt te.
545 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
546 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
549 2000-03-14 Nick Clifton <nickc@cygnus.com>
551 * gcc.c (do_spec_1): Catch the case where %* is used in a
552 substitution pattern, but it has not been initialised.
553 Issue a meaningful error message if an unrecognised operator
554 is encountered in a spec string.
556 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
558 * function.c (prepare_function_start): Correctly initialize
559 cfun->stack_alignment_needed.
561 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
563 * cppfiles.c (find_include_file): Don't assume nshort is a
566 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
568 * configure.in (hppa configurations): Add pa32-regs.h to the
569 list of tm files as appropriate.
570 * configure: Rebuilt.
571 * pa.c (compute_frame_size): Remove explicit knowledge about FP
573 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
574 (fmpyaddoperands, fmpysuboperands): Likewise.
575 * pa.h: Remove various definitions which depend on knowing
576 how registers are numbered.
577 * pa32-regs.h: New file with PA32 register numbering specific
580 2000-03-14 Richard Henderson <rth@cygnus.com>
582 * regmove.c (combine_stack_adjustments): New.
583 (stack_memref_p, single_set_for_csa): New.
584 (free_csa_memlist, record_one_stack_memref): New.
585 (try_apply_stack_adjustment): New.
586 (combine_stack_adjustments_for_block): New.
587 * rtl.h (combine_stack_adjustments): Declare.
588 * toplev.c (rest_of_compilation): Call it.
590 * i386.md: Revert 2000-01-16 change.
592 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
594 * gccbug.in: Add web category, gcc specific classes.
596 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
598 * stor-layout.c (finalize_record_size): Fix typo.
600 2000-03-14 Stan Shebs <shebs@apple.com>
602 * c-typeck.c (c_alignof): Error on incomplete types.
603 * extend.texi (Alignment): Document this.
605 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
607 * cppfiles.c: Include mkdeps.h.
608 (find_include_file, read_include_file): Remove _cpp_ prefix
609 from name, make static.
610 (_cpp_execute_include): New function, broken out of
613 * cpplib.c: Don't include mkdeps.h.
614 (struct directive): Remove type field. Reorder entries. The
615 function takes only one argument.
616 (struct if_stack): Make type field an int.
617 (directive_table): Rename to dtable. Generate it, the
618 prototypes of the directive handlers, and the enum for the
619 directive numbers, from a template macro.
620 (do_ifndef, do_include_next, do_import): New functions.
621 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
622 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
623 do_ident, do_assert, do_unassert, do_sccs): Take only one
625 (do_sccs): Define always, but alter behavior based on
627 (_cpp_handle_directive, consider_directive_while_skipping):
628 Restructure for new directive table layout.
630 (pass_thru_directive): Take a directive number, not a pointer
631 to a struct directive.
632 (parse_include): New function, broken out of do_include.
633 (do_include, do_import, do_include_next): Use parse_include
634 and _cpp_execute_include.
635 (do_elif, do_else): Test for T_ELSE specifically when checking
636 for #elif/#else after #else.
637 (parse_ifdef): New function, broken out of do_ifdef.
638 (validate_else): Expect a name arg without a leading #.
639 (if_directive_name): Delete.
640 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
641 directive handlers with only one argument.
643 * cpphash.h: Update prototypes.
644 (enum node_type): Remove entries for directives.
645 * Makefile.in: Update dependencies.
647 * cpphash.c (dump_hash_helper): Only dump nodes of type
648 T_MACRO. Emit a newline after each definition.
650 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
652 * gccbug.in: New file.
653 * configure.in (all_outputs): Add gccbug.
654 * Makefile.in (install-common): Install gccbug.
655 (GCCBUG_INSTALL_NAME): New variable.
656 * configure: Rebuilt.
658 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
660 * function.c (put_var_into_stack): Use type_for_mode to calculate
661 part_type. Use MEM_SET_IN_STRUCT_P.
662 * expr.c (store_field): Handle CONCAT.
663 (store_constructor): Use fields_length.
664 * tree.c (fields_length): New fn.
665 * tree.h: Declare it.
667 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
669 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
670 (cpplex.o): New target.
671 * po/POTFILES.in: Add cpplex.c.
673 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
674 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
675 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
676 skip_block_comment, skip_line_comment, skip_comment,
677 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
678 _cpp_parse_name, skip_string, parse_string,
679 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
680 _cpp_get_directive_token, find_position,
681 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
682 (maybe_macroexpand, _cpp_lex_token): New functions.
684 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
685 parse_goto_mark): Delete.
686 (_cpp_handle_eof): New function.
687 (_cpp_handle_directive): Rename from handle_directive.
688 (_cpp_output_line_command): Rename from output_line_command.
689 (do_if, do_elif): Call _cpp_parse_expr directly.
690 * cppfiles.c (_cpp_read_include_file): Don't call
691 init_input_buffer here.
692 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
693 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
694 here; pop the token_buffer and skip the rest of the line here.
695 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
698 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
700 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
701 CPP_GOTO_MARK): New macros.
702 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
703 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
704 _cpp_read_and_prescan, _cpp_init_input_buffer,
705 _cpp_grow_token_buffer, _cpp_get_directive_token,
706 _cpp_handle_directive, _cpp_handle_eof,
707 _cpp_output_line_command): Prototype them here.
708 * cpplib.h (enum cpp_token): Add CPP_MACRO.
709 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
710 quote_string, output_line_command): Remove.
712 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
714 * stmt.c (expand_end_case): RANGE may be signed, and when checking
715 whether it is too large we must also verify that it isn't negative.
717 2000-03-13 Jakub Jelinek <jakub@redhat.com>
719 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
720 (movsi_zero_liveg0): Remove.
721 (movsf_insn_novis_liveg0): Remove.
723 (negsi2_not_liveg0): Rename to negsi2.
724 (one_cmplsi2): Remove.
725 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
726 (one_cmplsi2_liveg0): Remove.
727 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
728 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
729 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
730 (PREDICATE_CODES): Remove zero_operand.
731 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
732 TARGET_BROKEN_SAVERESTORE.
733 (zero_operand): Remove.
734 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
735 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
737 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
738 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
739 TARGET_BROKEN_SAVERESTORE): Remove.
740 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
742 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
744 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
747 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
749 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
751 * cpplib.c (do_pragma_implementation): Fix off-by-one error
752 truncating a string. Don't assume tokens are nul terminated.
753 Problem noted by Andreas Jaeger <aj@suse.de>
755 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
757 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
758 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
759 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
761 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
763 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
764 STRUCTURE_SIZE_BOUNDARY.
766 2000-03-13 Mark Mitchell <mark@codesourcery.com>
768 * tree.h (record_layout_info_s): New structure.
769 (record_layout_info): New type.
770 (new_record_layout_info): New function.
771 (layout_field): Likewise.
772 (finish_record_layout): Likewise.
773 * stor-layout.c (layout_record): Remove.
774 (new_record_layout_info): New function.
775 (layout_field): New function, broken out from layout_record.
776 (finalize_record_size): Likewise.
777 (compute_record_mode): Likewise.
778 (finalize_type_size): New function, broken out from layout_type.
779 (finish_record_layout): Likewise.
780 (layout_type): Use them.
782 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
784 * cpphash.c: Don't include version.h.
785 (special_symbol) [case T_VERSION]: Look for the string in
786 hp->value.cpval; don't use version_string.
787 * cppinit.c (initialize_builtins): Set hp->value.cpval for
788 __VERSION__ to version_string.
789 * Makefile.in (cpphash.o): Update deps.
791 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
793 Convert cpplib to use libiberty/hashtab.c.
795 * cpplib.h (struct cpp_reader): Make hashtab and
796 all_include_files of type 'struct htab *'. Delete HASHSIZE
797 and ALL_INCLUDE_HASHSIZE macros.
799 * cpphash.h: Update prototypes.
800 (struct hashnode): Remove next, prev, and bucket_hdr members.
801 Make length a size_t. Add hash member.
802 (struct ihash): Remove next member. Add hash member. Make
803 name a flexible array member.
805 * cppfiles.c: Include hashtab.h.
806 (include_hash): Delete.
807 (IHASHSIZE): New macro.
808 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
809 (cpp_included): Do the hash lookup here.
810 (_cpp_find_include_file): Rewrite.
811 (cpp_read_file): Put the "fake" hash entry into the hash
812 table. Honor the control_macro, if it turns out we've seen
813 the file before. Don't push the buffer here.
814 (_cpp_read_include_file): Push the buffer here.
815 (OMODES): New macro. Use it whenever we call open(2).
817 * cpphash.c: Include hashtab.h.
818 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
819 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
820 _cpp_lookup_slot): New functions.
821 (HASHSIZE): new macro.
822 (hashf, _cpp_install, _cpp_delete_macro): Delete.
823 (_cpp_lookup): Use hashtab.h routines.
825 * cppinit.c: Include hashtab.h.
826 (cpp_reader_init): Call _cpp_init_macro_hash and
827 _cpp_init_include_hash. Don't allocate hashtab directly.
828 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
829 pfile->all_include_files.
830 (initialize_builtins): Use _cpp_make_hashnode and
831 htab_find_slot to add hash entries.
832 (cpp_finish): Just call _cpp_dump_macro_hash.
833 * cpplib.c: Include hashtab.h.
834 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
836 (do_pragma_poison, do_assert): Likewise.
837 (do_include): Don't push the buffer here. Don't increment
838 system_include_depth unless _cpp_read_include_file succeeds.
839 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
841 (do_pragma_implementation): Use alloca to create copy.
843 * Makefile.in: Update dependencies.
845 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * cppinit.c (cl_directive_handler): More K&R fixing.
849 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
851 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
853 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
855 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
858 Change from char[] to macros.
860 2000-03-12 Neil Booth <NeilB@earthling.net>
862 * cppinit.c (cpp_start_read): Update indirect function
865 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
867 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
870 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
871 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
873 2000-03-11 Neil Booth <NeilB@earthling.net>
875 * cppinit.c (struct pending option): Replace undef with a
876 pointer to a directive handling routine.
877 (struct cpp_pending): Replace separate assert_ and define_
878 lists with one directive_ list.
879 (new_pending_define): Rename new_pending_directive. Extra
880 argument is the directive's handling routine.
881 (handle_option): Update to use new_pending_directive.
883 2000-03-11 Neil Booth <NeilB@earthling.net>
885 * cppfiles.c (file_cleanup, _cpp_find_include_file,
886 remap_filename, _cpp_read_include_file, actual_directory,
887 hack_vms_include_specification): Replace bcopy(), index() etc
888 calls. Add casts to some allocations. Make some variables
889 pointers to const [unsigned] char.
890 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
891 collect_formal_parameters): Similarly.
892 * cppinit.c (struct pending_option, append_include_chain,
893 cpp_options_init, cpp_reader_init, initialize_standard_includes,
894 cpp_start_read, new_pending_define, handle_option): Similarly.
895 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
896 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
897 do_pragma_implementation, detect_if_not_defined,
898 do_ifdef, skip_if_group, cpp_get_token, parse_string,
899 do_assert, do_unassert): Similarly.
900 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
902 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
904 2000-03-10 Richard Henderson <rth@cygnus.com>
906 * builtins.c (expand_builtin_strlen): Revert last change.
907 Use emit_insn_before if we're at the beginning of a sequence.
909 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
911 * builtins.c (expand_builtin_strlen): Make sure that we have something
912 at the beginning of the sequence.
914 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
917 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
919 2000-03-10 Richard Henderson <rth@cygnus.com>
921 * except.c (can_throw): Use INTVAL on a CONST_INT.
922 (reachable_handlers): Likewise.
923 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
925 2000-03-10 Andreas Jaeger <aj@suse.de>
927 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
928 MD_STARTFILE_PREFIX since those are not needed on linux.
929 (ASM_FILE_START): New, from mips/gnu.h.
931 2000-03-09 Richard Henderson <rth@cygnus.com>
932 Alex Samuel <samuel@codesourcery.com> and others
934 * Makefile.in (ssa.o): New rule.
936 (STAGESTUFF): Add *.ssa and *.ussa.
937 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
938 * rtl.def (PHI): New RTL expression.
939 * rtl.h (clear_log_links): New declaration.
940 (convert_to_ssa): Likewise.
941 (convert_from_ssa): Likewise.
942 * flow.c (split_edge): If the entry node falls through to the
943 split edge's source block, split the entry edge.
944 (clear_log_links): New function.
945 * toplev.c (ssa_dump): New variable.
946 (flag_ssa): Likewise.
947 (f_options): Add "ssa".
948 (compile_file): Create SSA dump files.
949 (rest_of_compilation): Go to and from SSA if enabled.
950 (decide_d_option): Handle -de for SSA dump files.
953 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
955 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
958 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
960 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
962 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
964 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
965 (MD_STARTFILE_PREFIX_1): New macro.
967 2000-03-09 Robert Lipe <robertl@sco.com>
969 * config/ia64/ia64.c: Include system.h.
971 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
973 * except.c (nothrow_function_p): If -fno-exceptions, just return.
974 (init_eh_nesting_info): Likewise.
976 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
977 (TREE_NOTHROW): Rename from TREE_RAISES.
978 * toplev.c (rest_of_compilation): Set it.
979 * print-tree.c (print_node): Adjust.
980 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
981 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
982 * calls.c (emit_call_1): Add 'nothrow' parm. Add
983 REG_EH_REGION note as appropriate.
984 (libfunc_nothrow): New fn.
985 (emit_library_call, emit_library_call_value): Use it.
986 (expand_call): Check TREE_NOTHROW.
988 * varasm.c (make_decl_rtl): Skip initial '*' when setting
991 2000-03-09 Andreas Jaeger <aj@suse.de>
993 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
994 (TARGET_MEM_FUNCTIONS): Define.
996 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
998 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
1000 * except.c (can_throw): See through a SEQUENCE.
1001 (nothrow_function_p): New fn.
1002 * except.h: Declare it.
1003 * function.c (current_function_nothrow): New var.
1004 (prepare_function_start): Initialize it.
1005 * output.h: Declare it.
1006 * toplev.c (rest_of_compilation): Set it.
1007 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
1009 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
1011 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
1012 match. (cpp_compare_defs): Count the nul separator when
1013 advancing over argument names.
1015 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
1017 * recog.c (preprocess_constraints): Matching constraints affect
1018 same alternative/different operand, not same operand/different
1021 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
1022 register and a constant specially.
1024 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * libgcc2.h: New file.
1027 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
1029 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
1031 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
1032 * configure: Regenerate.
1035 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1037 * Makefile.in (LIBCPP_DEPS): New macro.
1038 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
1040 * cpperror.c: Include cpphash.h.
1041 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
1043 (lex): Don't use CPP_WARN_UNDEF.
1044 (_cpp_parse_expr): Return an int, the truth value.
1045 * cppfiles.c: Include cpphash.h.
1046 (_cpp_merge_include_chains): Move to cppinit.c and make static.
1047 * cppinit.c (include_defaults_array): Disentangle.
1048 (cpp_cleanup): Don't free the if stack here.
1049 (cpp_finish): Pop off all buffers, not just one.
1050 * cpplib.c (eval_if_expr): Return int.
1051 (do_xifdef): Rename do_ifdef.
1052 (handle_directive): Don't use CPP_PREPROCESSED.
1053 (cpp_get_token): Don't use CPP_C89.
1054 * fix-header.c: Don't use CPP_OPTIONS.
1056 * cpplib.h: Move U_CHAR, enum node_type, struct
1057 file_name_list, struct ihash, is_idchar, is_idstart,
1058 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
1059 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
1060 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
1061 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
1062 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
1063 of _cpp_simplify_pathname, _cpp_find_include_file,
1064 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
1065 Move struct if_stack to cpplib.c. Move struct cpp_pending to
1067 Change all uses of U_CHAR to be unsigned char instead.
1068 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
1070 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1072 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
1073 (dwarf2out_begin_prologue): Set it.
1074 (output_call_frame_info): Don't emit EH unwind info for leaves.
1076 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
1077 can occur outside of an EH region.
1078 * except.c: Correct comments about rethrow behavior.
1079 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
1081 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
1083 * flow.c (make_edges): Always call make_eh_edge for calls.
1085 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1087 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
1088 (struct cpp_buffer): Remove fname and underflow fields.
1089 (struct cpp_reader): Remove get_token field.
1090 (struct include_hash): Rename to struct ihash. Add typedef to
1092 (struct if_stack): Remove fname field.
1093 (IF_STACK_FRAME): Rename to IF_STACK.
1095 * cpperror.c (print_containing_files): Trust that there are no
1096 macro buffers below the top file buffer.
1097 * cppfiles.c: Replace all references to 'struct include_hash'
1098 with 'IHASH'. Rename initialize_input_buffer to
1099 init_input_buffer. Don't set or reference cpp_buffer->fname,
1100 use buffer->ihash->name instead.
1101 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
1102 not CPP_NULL_BUFFER.
1103 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
1104 IF_STACK_FRAME, IHASH not struct include_hash.
1105 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
1106 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
1107 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
1108 references to cpp_buffer->fname (delete entirely, or use
1109 ->ihash->name instead) and IF_STACK->fname.
1110 (cpp_push_buffer): Don't set new->underflow.
1111 (do_include): Use cpp_file_buffer.
1113 * cpphash.c (collect_formal_parameters): Remove duplicate
1114 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
1115 used as a macro argument name. Don't append "..." to namebuf
1116 for varargs macros. After we're done scanning, go through
1117 namebuf and make it NUL separated, not comma separated.
1118 (_cpp_compare_defs): Remove register tag from variables.
1119 Expect defn->argnames to be NUL separated.
1120 (_cpp_dump_definition): Expect defn->argnames to be NUL
1121 separated and in forward order.
1122 * cpphash.h: Update documentation of argnames field.
1124 2000-03-08 Richard Henderson <rth@cygnus.com>
1126 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
1127 to fail. Don't pre-expand the source operand.
1129 * i386.md (strlensi): Initialize eoschar and align before use.
1131 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1133 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
1134 CONSTRUCTOR element.
1136 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1138 * mips.c (mips_expand_prologue): If the last
1139 named argument is the vararg marker "va_list", treat it as
1140 an unnamed argument.
1142 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
1144 * dbxout.c (dbxout_parms): When correcting for promoted
1145 big-endian parameters, use the mode of the DECL_RTL rather
1146 than UNITS_PER_WORD.
1148 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
1150 * c-common.h (make_fname_decl): Declare.
1151 * c-common.c (make_fname_decl): Define.
1152 (declare_hidden_char_array): Remove.
1153 (declare_function_name): Use make_fname_decl.
1154 * c-decl.c (c_make_fname_decl): New function.
1155 (init_decl_processing): Set make_fname_decl.
1157 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
1159 * cccp.c (handle_directive): Initialize backslash_newlines_p.
1161 2000-03-07 Philipp Thomas <pthomas@suse.de>
1163 * po/POTFILES.in: Remove cppalloc.c from file list.
1165 2000-03-07 Steve Chamberlain <sac@pobox.com>
1167 * pj.c (pj_expand_prologue): current_function->args_info is
1168 now current_function_args_info.
1170 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
1171 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
1172 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
1174 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1176 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
1177 output as hexadecimal rather than the default octal.
1179 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1181 * cpphash.c (special_symbol): Fix thinko in previous commit.
1183 2000-03-07 Neil Booth <NeilB@earthling.net>
1185 * cppexp.c (struct operation, left_shift, right_shift,
1186 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
1187 "int"s to "unsigned int"s.
1188 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
1190 * cpplib.h: Update for above.
1191 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
1192 returned from allocations.
1194 * cppinit.c (opt_comp, parse_options): New functions.
1195 (handle_option): Use parse_option to parse a single command
1196 line option, that possibly takes an argument.
1197 (cpp_handle_options): Sort the array of command line options on
1198 first invocation (non-ASCII hosts only).
1199 (print_help): Update.
1201 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1203 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
1204 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
1206 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
1208 * cppinit.c (cpp_cleanup): Free imp->nshort also.
1210 * cpperror.c (cpp_print_containing_files,
1211 cpp_print_file_and_line, v_cpp_message): Rename to
1212 print_containing_files, print_file_and_line, and v_message.
1213 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
1214 to _cpp_parse_expr, parse_escape, and lex.
1215 (parse_charconst): Remove broken multibyte support.
1216 * cppfiles.c (include_hash): Make static.
1217 (cpp_included): New function.
1218 (merge_include_chains, find_include_file, finclude,
1219 simplify_pathname): Rename to _cpp_merge_include_chains,
1220 _cpp_find_include_file, _cpp_read_include_file, and
1221 _cpp_simplify_pathname.
1222 * cpphash.c (cpp_lookup, free_definition, delete_macro,
1223 cpp_install, create_definition, macroexpand, compare_defs,
1224 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
1225 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
1226 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
1227 * cppinit.c (cpp_handle_option): Rename to handle_option, make
1229 * cpplib.c: Remove extern prototype of cpp_parse_expr.
1231 * cpphash.h: Update prototypes.
1232 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
1234 2000-03-07 Andrew Haley <aph@cygnus.com>
1236 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
1237 PTRDIFF_TYPE should be based solely on Pmode.
1240 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1242 * rtl.h (rtunion_def): Constify member `rtstr'.
1243 (emit_line_note_after, emit_line_note, emit_line_note_force,
1244 emit_note, decode_asm_operands): Constify.
1246 * cse.c (canon_hash): Likewise.
1248 * dbxout.c (dbxout_block): Likewise.
1250 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
1251 v_warning_for_asm): Likewise.
1253 * dwarfout.c (function_start_label): Likewise.
1255 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
1256 emit_line_note_force): Likewise.
1258 * final.c (last_filename, asm_insn_count, final_scan_insn,
1259 output_source_line): Likewise.
1261 * function.h (struct emit_status): Likewise.
1263 * gcse.c (hash_expr_1): Likewise.
1265 * genattr.c (gen_attr, main): Likewise.
1267 * genattrtab.c (struct function_unit, current_alternative_string,
1268 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
1269 attr_numeral, check_attr_test, check_attr_value,
1270 convert_set_attr_alternative, convert_set_attr,
1271 compute_alternative_mask, simplify_by_exploding, gen_attr,
1272 gen_unit): Likewise.
1274 * genflags.c (gen_insn): Likewise.
1276 * gengenrtl.c (type_from_format): Likewise.
1278 * genopinit.c (gen_insn): Likewise.
1280 * genoutput.c (n_occurrences, process_template, process_template):
1283 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1286 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1289 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
1290 ggc_set_mark, ggc_get_size): Likewise.
1292 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
1294 * optabs.c (init_one_libfunc): Likewise.
1296 * output.h (assemble_start_function): Likewise.
1298 * recog.c (decode_asm_operands): Likewise.
1300 * toplev.c (rest_of_compilation): Likewise.
1302 * tree.h (emit_line_note_after, emit_line_note,
1303 emit_line_note_force): Likewise.
1305 * varasm.c (asm_output_bss, asm_output_aligned_bss,
1306 asm_emit_uninitialised, assemble_start_function,
1307 assemble_variable, const_hash, compare_constant_1,
1308 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
1310 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
1312 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
1314 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
1316 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1318 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1319 arm_dllimport_name_p): Likewise.
1321 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1324 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1326 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1328 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1329 arm_mark_dllexport, arm_mark_dllimport,
1330 arm_pe_encode_section_info): Likewise.
1332 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1333 ASM_FINISH_DECLARE_OBJECT): Likewise.
1335 * arm/thumb.c (thumb_function_prologue): Likewise.
1337 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1339 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1341 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1343 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1345 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1347 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1349 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1350 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1352 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1354 * i386/i386.c (asm_output_function_prefix): Likewise.
1356 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1358 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1360 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1362 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1363 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1364 ASM_OUTPUT_SECTION_NAME): Likewise.
1366 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1368 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1370 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1372 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1374 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1376 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1378 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1380 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1382 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1384 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1386 * mips/mips.md (movdi, movsi): Likewise.
1388 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1390 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1392 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1394 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1395 ASM_OUTPUT_ASCII): Likewise.
1397 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1398 output_mi_thunk, output_toc): Likewise.
1400 * rs6000/rs6000.md (movsi): Likewise.
1402 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1404 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1406 * v850/v850.c (print_operand, print_operand_address,
1407 v850_encode_data_area): Likewise.
1409 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1411 * config/mips/mips.md (zero_extendsidi2): Always force operand
1412 one to memory for mips16.
1414 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1416 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1417 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1418 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1419 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1420 (min_precision): Result is unsigned.
1421 (add_double, neg_double, mul_double): Low word is unsigned.
1422 (lshift_double, rshift_double, lrotate_double): Likewise.
1423 (rrotate_double, div_and_round_double): Likewise.
1424 (tree_floor_log2, compare_tree_int): New functions.
1425 (preserve_rtl_expr_temps): New declaration.
1426 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1427 (decl_attributes): Use tree_log2 to find alignment.
1428 Check for TREE_INT_CST_HIGH for format args.
1429 (min_precision): Now unsigned.
1430 Use tree_floor_log2.
1431 (truthvalue_conversion): Delete long-disabled code.
1432 * c-decl.c (finish_struct): Clean up tests on field width.
1433 (finish_function): Use compare_tree_int.
1434 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1435 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1436 (default_conversion, digest_init): Use compare_tree_int.
1437 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1438 Fix type errors in forming masks.
1439 * calls.c (initialize_argument_information): Use compare_tree_int.
1440 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1441 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1442 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1443 (store_field): Use compare_tree_int.
1444 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1445 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1446 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1447 (do_store_flag): Use compare_tree_int.
1448 * fold-const.c (encode, decode): Low part is always unsigned.
1449 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1450 (lshift_double, rshift_double, lrotate_double): Likewise.
1451 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1452 (fold_convert): Use compare_tree_int.
1453 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1454 (invert_truthvalue, case INTEGER_CST): Likewise.
1455 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1456 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1457 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1458 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1460 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1461 (expand_end_case): Use compare_tree_int.
1462 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1463 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1464 (layout_decl): Likewise.
1465 (layout_record, layout_union): Make sizes unsigned.
1466 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1467 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1468 * tree.c (struct type_hash): hashcode is unsigned.
1469 (build_type_attribute_variant, type_hash_list): Likewise.
1470 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1471 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1472 (build_complex_type): Likewise.
1473 (real_value_from_int_cst): Remove unneeded casts.
1474 (integer_all_onesp): Add casts.
1475 (tree_floor_log2, compare_tree_int): New functions.
1476 (build_index_type): Use tree_int_cst_sgn.
1477 * varasm.c (assemble_variable): Use compare_tree_int.
1479 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1481 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1483 * varasm.c (make_decl_rtl): Don't add a number to members of
1485 (make_function_rtl): Likewise.
1487 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1489 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1490 patch from 2000-01-28.
1492 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1494 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1495 filled with an insn from the jump target.
1497 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1499 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1500 (c4x_external_ref): Likewise.
1501 * config/c4x/c4x.c (struct name_list): Likewise.
1503 1999-12-16 Ben Collins <bcollins@debian.org>
1505 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1506 argument to genmultilib.
1507 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1508 the contents into the multilib.h header.
1509 * gcc.c: Declare multilib_exclusions for the specs file.
1510 (set_multilib_dir): Use it.
1511 (print_multilib_info): Likewise.
1512 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1513 to pass to genmultilib.
1515 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1517 * builtins.c (built_in_class_names, built_in_names): Constify a
1520 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1522 (_mcleanup): Ensure value matches format specifier in sprintf.
1524 * cpphash.c (special_symbol): Don't needlessly cast away
1527 * cppinit.c (base_name): Delete unused prototype.
1529 * mkdeps.c (deps_init): Make definition K&R safe.
1531 * tree.h (built_in_class_names, built_in_names): Constify a
1534 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1536 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1537 floating point instructions for epilogue delay.
1539 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1540 to gas if it supports .register pseudo.
1542 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1543 LONG_DOUBLE_TYPE_SIZE if not defined.
1544 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1545 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1547 * gengenrtl.c: Likewise.
1548 * print-rtl.c: Likewise.
1550 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1551 MASK_LONG_DOUBLE_128.
1552 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1553 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1554 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1555 (SUBTARGET_SWITCHES): Define.
1556 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1557 with -mlong-double-128.
1558 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1559 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1561 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1562 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1563 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1564 with -mlong-double-128.
1565 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1566 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1567 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1568 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1569 TARGET_LONG_DOUBLE_128): Define.
1570 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1571 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1572 long double on TARGET_ARCH64.
1574 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1576 * function.c (free_temps_for_rtl_expr): Don't free slots
1577 that have been pushed into a higher level.
1580 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1582 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1584 * basic-block.h (ALLOCA_REG_SET): Remove.
1585 (INITIALIZE_REG_SET): New macro.
1586 * flow.c (update_life_info): Use it.
1587 (calculate_global_regs_live): Likewise.
1588 (propagate_block): Likewise.
1589 * global.c (build_insn_chain): Likewise.
1590 * haifa-sched.c (schedule_region): Likewise.
1592 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1594 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1595 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1596 (DWARF_ARANGES_PAD_SIZE): New define.
1597 (output_aranges): Use it to pad the address range header.
1598 (DWARF_ROUND): Fix for non power of 2 rounding.
1600 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1602 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1604 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1606 * tree.def (RTL_EXPR): Update documentation.
1607 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1608 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1609 * function.c (preserve_rtl_expr_temp): New function.
1610 (preserve_rtl_expr_temps): Likewise.
1611 (preserve_rtl_expr_result): Use it.
1614 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1616 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1618 * regmove.c (copy_src_to_dest) Do not create src->dest move
1619 for unchanging destination.
1621 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1623 * function.h (struct sequence_stack): Remove rtl_expr.
1624 (struct emit_staus): Likewise.
1625 (seq_rtl_expr): Remove.
1626 * tree.h (free_temps_for_rtl_expr): Don't declare.
1627 (start_sequence_for_rtl_expr): Likewise.
1628 * rtl.h (preserve_rtl_expr_result): Likewise.
1629 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1630 (start_sequence_for_rtl_expr): Remove.
1631 (push_topmost_sequence): Don't save sequence_rtl_expr.
1632 (pop_topmost_sequence): Remove comment about not restoring it.
1633 (end_sequence): Don't set seq_rtl_expr.
1634 (init_emit): Don't initialize it.
1635 (mark_sequence_stack): Don't mark it.
1636 (mark_emit_status): Likewise.
1637 * except.c (protect_with_terminate): Use
1638 start_sequence_for_rtl_expr, not start_sequence.
1639 * expr.c (expand_expr, case RTL_EXPR): Don't call
1640 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1641 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1642 (preserve_rtl_expr_result): Remove.
1643 (free_temps_for_rtl_expr): Likewise.
1644 (pop_temp_slots): Likewise.
1645 (mark_temp_slot): Don't mark the rtl_expr.
1646 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1647 start_sequence_for_rtl_expr.
1649 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1651 * mkdeps.c, mkdeps.h: New files.
1652 * po/POTFILES.in: Add them.
1653 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1654 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1655 (mkdeps.o): New target.
1657 * cppfiles.c: Delete deps_output.
1658 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1659 OBJECT_SUFFIX, and base_name.
1660 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1662 (initialize_dependency_output): Use deps_init,
1663 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1664 all the unnecessary string bashing.
1665 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1667 * cpplib.c (do_include): Use deps_add_dep.
1668 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1669 deps_allocated_size, deps_size, deps_column members with
1670 single pointer to a struct deps. Delete prototype of
1673 * cppinit.c: Fix thinko in previous patch.
1675 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1677 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1678 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1679 (mode_for_size_tree): New function.
1680 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1681 * tree.h (mode_for_size_tree): New declaration.
1683 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1685 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1687 * stmt.c (is_body_block): Move...
1688 * dwarfout.c, dwarf2out.c: ...from here.
1689 * tree.h: Declare it.
1690 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1691 * final.c (final_start_function): Do call remove_unnecessary_notes
1694 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1696 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1698 * cpplib.h (_dollar_ok): New macro.
1699 (is_idchar, is_idstart): Use it.
1700 (IStable): Rename to _cpp_IStable. Declare it const if
1701 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1702 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1703 is_space): Update for renamed IStable.
1705 * cppinit.c: Delete all references to FAKE_CONST and CAT
1706 macros. Define init_IStable as empty macro if gcc >=2.7 or
1707 C99. Change TABLE() to ISTABLE and hardcode name of table.
1708 (cpp_start_read): Don't change the IStable based on
1711 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1712 changed. Handle '$' for char1 correctly.
1713 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1715 * cppexp.c (tokentab2): Make const.
1716 (cpp_lex): Make toktab const.
1717 * cppinit.c (include_defaults_array): Make const.
1718 (initialize_standard_includes): Make default_include const.
1720 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1722 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1723 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1724 (gen_decl_die): Likewise.
1725 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1726 (output_decl): Likewise.
1728 * varasm.c (make_function_rtl): If we change the name used in the
1729 rtl, update DECL_ASSEMBLER_NAME accordingly.
1730 (make_decl_rtl): Likewise.
1732 * toplev.c (rest_of_compilation): Tweak formatting.
1734 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1735 remove_unnecessary_notes.
1736 (debug_ignore_block): New fn.
1737 * toplev.h: Declare it.
1738 * emit-rtl.c (remove_unncessary_notes): Call it.
1739 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1740 * dwarf2out.h: Declare it.
1741 * final.c (final_start_function): Don't call remove_unnecessary_notes
1742 if we did insn scheduling.
1744 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1746 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1747 * cpplib.h: Delete SET_CPP_PEDANTIC.
1749 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1751 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1752 result is a RECORD_TYPE.
1754 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1756 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1758 2000-03-03 Richard Henderson <rth@cygnus.com>
1760 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1761 addition over compliments over shifts.
1763 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1765 * reload1.c (reload_combine_note_use): Handle return register USEs.
1766 REG case: Handle multi-hard-register hard regs.
1768 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1770 * md.texi: Document use of '*' in insn pattern name.
1772 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1774 * calls.c (special_function_p): operator new may not be malloc-like.
1776 * gcse.c (dump_hash_table): Really fix error in last change.
1778 2000-03-02 Denis Chertykov <denisc@overta.ru>
1780 * avr.c (print_operand): Use print_operand_address instead of
1782 * avr/libgcc.S: Cleanup code.
1784 2000-03-02 Richard Henderson <rth@cygnus.com>
1786 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1788 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1790 * tree.h (TYPE_ALIGN_UNIT): New macro.
1792 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1794 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1796 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1798 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1800 (SET_CPP_PEDANTIC): New macro.
1801 * cpplib.c (do_include): Don't bother checking system_header_p.
1802 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1803 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1805 * function.h (struct expr_status): Add x_arg_space_so_far.
1806 (arg_space_so_far): New macro.
1807 * expr.c (init_expr): Initialize it.
1808 * calls.c (emit_call_1): Reset it.
1809 (compute_argument_block_size, expand_call): Use it.
1810 (expand_call, store_one_arg): Increment it.
1812 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1814 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1817 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1819 * cppfiles.c (cpp_read_file): New function.
1821 * cpphash.c (collect_expansion): Make sure to reset last_token
1822 to NORM when we hit a string. Handle trailing whitespace
1823 properly when the expansion is empty.
1824 (create_definition): Disable line commands while parsing the
1826 (dump_definition): If pfile->lineno == 0, output a line
1827 command ahead of the dump, and add a trailing newline.
1829 * cppinit.c (append_include_chain): Add fifth argument, which
1830 indicates whether or not system headers are C++ aware.
1831 (initialize_standard_includes): New function,
1832 broken out of read_and_prescan. Pass 'cxx_aware' value from
1833 the include_defaults_array on to append_include_chain.
1834 (dump_special_to_buffer): Const-ify char array.
1835 (builtin_array): Don't dump __BASE_FILE__.
1836 (cpp_start_read): Use cpp_read_file. Reorder code for
1837 clarity. Don't output line commands here for -D/-A/-U
1838 switches. Don't call deps_output for files included with
1839 -include or -imacros.
1841 * cpplib.c (do_define): Don't pay any attention to the second
1843 (cpp_expand_to_buffer): Disable line commands while scanning.
1844 (output_line_command): Work in the file buffer.
1845 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1846 Fix formatting of comments. Prototype cpp_read_file.
1848 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1850 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1851 reference the language-equivalent of sizetype.
1852 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1853 * fold-const.c (size_binop, size_diffop): Put back checks.
1854 * gcse.c (dump_hash_table): Fix minor error in last change.
1855 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1856 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1859 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1861 * calls.c (expand_call) Do not attempt to combine stack adjustments
1862 with inhibit_defer_pop set.
1864 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1866 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1867 the DECL_SIZE for a FIELD_DECL.
1869 2000-03-01 Bruce Korb <bkorb@gnu.org>
1871 * fixinc/inclhack.tpl: remove unused symlinks
1872 * fixinc/README: GCC Maintainer info
1873 * fixinc/inclhack.sh: regen
1874 * fixinc/fixincl.sh: regen
1876 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1878 * cpphash.c (collect_expansion): Trim trailing white space
1879 from macro definitions, but don't go past the last insertion
1882 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1884 * i386.md (mulqi3): New pattern.
1886 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1888 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1890 (struct cpp_reader): Add parsing_if_directive and
1891 parsing_define_directive flags.
1892 (struct cpp_options): Remove output_conditionals flag.
1893 (check_macro_name): Delete prototype.
1895 * cpphash.h (struct macrodef): Delete.
1896 (struct reflist): Separate from struct definition.
1897 (struct definition): Remove unused fields. Add column number.
1898 (create_definition): Returns a DEFINITION *. Takes a
1899 cpp_reader * and an int.
1901 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1902 (PEEKC): Copy defn from cpplib.c.
1903 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1905 (struct arglist): Simplify.
1906 (collect_expansion): Rewrite. Get tokens by calling
1907 cpp_get_token. Add more error checking.
1908 (collect_formal_parameters): New function, broken out of
1909 create_definition and reworked to use get_directive_token.
1910 (create_definition): All real work is now in collect_expansion
1911 and collect_formal_parameters. do_define handles finding the
1912 macro name. Return a DEFINITION, not a MACRODEF.
1913 (macroexpand): Replace bcopy with memcpy throughout. Replace
1914 character-at-a-time copy loop with memcpy and pointer increments.
1915 (compare-defs): d1->argnames / d2->argnames might be null.
1917 * cpplib.c (copy_rest_of_line): Delete function.
1918 (skip_rest_of_line): Do all the work ourselves.
1919 (skip_string): New function.
1920 (parse_string): Use skip_string.
1921 (get_macro_name): New function.
1922 (check_macro_name): Delete.
1923 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1924 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1925 (handle_directive): ICE if we're called on a macro buffer.
1926 (do_define): Determine macro name and type (funlike/objlike)
1927 here. Expunge all uses of MACRODEF.
1928 (cpp_push_buffer): Set line_base to NULL.
1929 (do_undef, read_line_number): Don't worry about getting a POP token.
1930 (eval_if_expression): Set/reset parsing_if_directive around
1931 cpp_parse_expr. Don't clear only_seen_white.
1932 (skip_if_group): Remove output_conditionals logic. Use
1934 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1935 tokens under appropriate conditions.
1936 (cpp_unassert): Call do_unassert not do_assert. Oops.
1938 * cppexp.c (parse_defined): New function, break out of
1940 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1941 ourselves, with cpp_defined.
1942 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1944 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1945 * gcc.dg/strpaste-2.c: New.
1947 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1949 * fold-const.c (size_binop): Don't asert inputs are the same and
1950 have TYPE_IS_SIZETYPE set.
1951 (size_diffop): Likewise.
1953 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1955 * dwarfout.c (output_block): Output abstract blocks even if they
1956 don't have TREE_ASM_WRITTEN set.
1958 * calls.c (emit_library_call): Check for null REG.
1960 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1962 * c-decl.c (current_function_decl): Move to toplev.c.
1963 (init_decl_processing): Don't add current_function_decl as a ggc
1965 * dbxout.c (dbxout_symbol): Change return type to int.
1966 (dbxout_symbol_location, dbxout_syms): Likewise.
1967 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1968 any locals. Use current_function_func_begin_label if set.
1969 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1970 * dwarf2out.c (dwarf2out_begin_prologue): Set
1971 current_function_func_begin_label.
1972 * final.c (final_start_function): Reset it.
1973 * toplev.c (current_function_decl): Define it here.
1974 (current_function_func_begin_label): New variable.
1975 (main): Add both as ggc roots.
1976 * tree.h (current_function_func_begin_label): Declare.
1978 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1980 * gcse.c: Cleanups throughout: mostly white-space, but also
1981 some minor rearrangement of code.
1983 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1985 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1986 returns a PARALLEL. Use emit_group_load and use_group_regs
1988 (emit_library_call_value): Similarly.
1990 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1991 * pa/quadlib.asm: Remove.
1992 * pa/quadlib.c: New file.
1994 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1995 * configure: Rebuilt.
1997 2000-02-29 Philip Blundell <pb@futuretv.com>
1999 * config/arm/conix-elf.h: New file.
2000 * configure.in (arm*-*-conix*): New configuration.
2001 * configure: Regenerate.
2003 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
2005 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
2006 don't have TREE_ASM_WRITTEN set.
2008 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2010 * Eliminate DECL_FIELD_SIZE.
2011 * builtins.c (built_in_class_names, built_in_names): New variables.
2012 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
2013 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
2014 DECL_SIZE, not DECL_FIELD_SIZE.
2015 * print-tree.c (print_node): Remove code that prints extra blank
2016 lines in some cases.
2017 Properly handle inline and builtin function cases.
2018 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
2019 * tree.h (built_in_class_named, built_in_names): New declarations.
2020 (union tree_decl): Rename internal unions to u1 and u2 and change
2021 some of their components.
2022 Add new field built_in_class.
2023 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
2024 Reflect above changes.
2025 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
2026 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
2027 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
2028 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
2030 2000-02-28 Dmitri Makarov <dim@windriver.com>
2032 * extend.texi: Document ARM's support for long/short calls.
2034 * invoke.texi: Document ARM's -mlong-calls command line switch.
2036 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
2037 (arm_encode_call_attribute): Add prototype.
2038 (arm_set_default_type_attribute): Add prototype.
2039 (arm_strip_name_encoding): Add prototype.
2041 * config/arm/arm.c (arm_init_cumulative_args): replace
2042 initialisation og 'long_calls' field with initialisation of
2043 'call_cookie' field.
2044 (enum arm_pragma_enum): New enum.
2045 (arm_pragma_long_calls): New static variable.
2046 (arm_process_pragma): Also process "#pragma long_calls_off".
2047 (arm_valid_type_attribute_p): Accept short_call attribute.
2048 (arm_comp_type_attributes): Check long/short call attributes.
2049 (arm_encode_call_attribute): New function: Encode long_call
2050 or short_call attribute in function name.
2051 (arm_set_default_type_attributes): New function: Assign
2052 default attributes to newly defined type.
2053 (current_file_function_operand): New function: Return true if
2054 the symbol is a function which has already been compiled.
2055 (arm_is_longcall_p): New function: Return true if the
2056 indicated function should be called via a long call.
2057 (arm_get_strip_length): New function. Returns number of
2058 prefix characters to be stripped from a function's name.
2059 (arm_strip_name_encoding): New function. Strip prefix characters
2060 from a function's name.
2062 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
2064 (SHORT_CALL_FAG_CHAR): Define.
2065 (LONG_CALL_FAG_CHAR): Define.
2066 (ENCODED_SHORT_CALL_ATTR_P): Define.
2067 (ENCODED_LONG_CALL_ATTR_P): Define.
2068 (ARM_NAME_ENCODING_LENGTHS): Define.
2069 (STRIP_NAME_ENCODING): Define.
2070 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
2071 (ARM_ENCODE_CALL_TYPE): Define.
2072 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
2073 (ARM_DECLARE_FUNCTION_SIZE): Define.
2074 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
2076 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
2077 if a long call is needed.
2078 (call_value): Ditto.
2079 (call_symbol): Ditto.
2081 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
2082 ARM_DECLARE_FUNCTION_SIZE.
2084 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
2085 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
2086 (ARM_STRIP_NAME_ENCODING): Undefine.
2087 (STRIP_NAME_ENCODING): Undefine.
2088 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
2089 (ASM_DECLARE_FUNCTION_NAME): Ditto.
2090 (ASM_OUTPUT_COMMON): Ditto.
2091 (ASM_DECLARE_OBJECT_NAME): Ditto.
2093 * config/arm/pe.c (arm_dllexport_name_p): Check for
2095 (arm_dllimport_name_p): Ditto.
2096 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
2097 (arm_mark_dllimport): Ditto.
2099 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2101 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
2103 2000-02-28 Mark Mitchell <mark@codesourcery.com>
2105 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
2107 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
2109 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
2110 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
2111 NO_BUILTIN_WCHAR_TYPE is not defined.
2112 (CPP_WCHAR_TYPE): Delete.
2113 * cccp.c (main): Don't change wchar_type if cplusplus.
2114 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
2116 2000-02-28 Nick Clifton <nickc@cygnus.com>
2118 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
2120 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
2122 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
2123 (ASM_WEAKEN_LABEL): Define.
2125 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
2127 * expr.c (store_constructor): Do not emit USE.
2128 * rtl.h (stupid_life_analysis): Remove.
2130 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2132 * function.c (number_blocks): Reset next_block_index based on
2133 what debugging format is used, not what is defined.
2135 * lcm.c: Minor reformatting throughout.
2136 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
2138 * toplev.c (rest_of_compilation): Account for time in
2139 optimize_mode_switching.
2141 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
2142 if only marking labels.
2144 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
2146 * calls.c (expand_call): Attempt to combine stack adjustments with
2147 pending stack adjustments.
2149 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2151 * loop.c (reg_in_basic_block_p): Don't abort when falling through
2152 to the end of the function.
2154 2000-02-27 Mark Mitchell <mark@codesourcery.com>
2156 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
2158 * final.c (next_block_index): Remove.
2159 (max_block_depth): Likewise.
2160 (pending_blocks): Likewise.
2161 (init_final): Don't initialize them.
2162 (final_start_function): Don't set next_block_index. Set up
2164 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
2165 * function.h (number_blocks): New function.
2166 * function.c (get_block_vector): New function.
2167 (identify_blocks): Use it.
2168 (reorder_blocks): Set NOTE_BLOCK.
2169 (number_blocks): New function.
2170 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
2171 * tree.h (BLOCK_NUMBER): New macro.
2172 (tree_block): Add block_num field.
2173 * dbxout.c (next_block_number): Remove.
2174 (dbxout_init): Don't set it.
2175 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
2176 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
2178 * toplev.c (rest_of_compilation): Always call
2179 find_loop_tree_blocks. Fix indentation.
2180 * dwarf2out.c (next_block_number): Remove.
2181 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2182 to determine block numbers.
2183 (gen_inlined_subroutine_die): Likewise.
2184 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
2185 (decls_for_scope): Don't increment next_block_number.
2186 * dwarfout.c (next_block_number): Remove.
2187 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2188 to determine block numbers.
2189 (output_inlined_subroutine_die): Likewise.
2190 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
2191 (output_decls_for_scope): Don't increment next_block_number.
2192 * sdbout.c (next_block_number): Remove.
2193 (sdbout_block): Use BLOCK_NUMBER.
2194 (sdbout_begin_block): Simplify.
2195 * xcoffout.c (next_block_number): Remove.
2196 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
2197 (xcoffout_begin_block): Don't set next_block_number.
2198 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
2201 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2203 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
2204 (expand_builtin_strcpy): Pass correct type to size_binop.
2205 (expand_builtin_strcmp): Likewise.
2206 Clean up conditional structure.
2207 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
2208 (complete_array_type): Don't use size_binop for MAXINDEX.
2209 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
2210 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
2211 (c_alignof): Use size_one_node.
2212 (build_unary_op): Pass arg of proper type to size_binop.
2213 (really_start_incremental_init, push_init_level): Use sizetype for
2214 constructor{,_bit,_unfilled}_index.
2215 (pop_init_label, output_init_element): Likewise.
2216 (output_pending_init_elements, process_init_element): Likewise.
2217 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
2218 * expr.c (store_expr): Use size_int.
2219 (store_constructor): Use proper types for size_binop args.
2220 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
2221 (expand_expr_unaligned): Likewise.
2222 (string_contant): Return object of sizetype.
2223 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
2224 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
2225 (ARGS_SIZE_TREE): Pass proper types to size_binop.
2226 * fold-const.c (int_const_binop): Refine when size_int is called.
2227 (fold_convert): Likewise.
2228 (size_int_wide): Rework to take KIND as arg, only take low order
2229 bits, handle new sizetype_tab datatype, and chain entries in
2231 (size_int_type_wide): New function.
2232 (size_binop): Validate types of arguments.
2233 (ssize_binop): Deleted.
2234 (size_diffop): New function.
2235 (extract_muldiv): Only fold division into multiplication for sizetypes.
2236 * function.c (assign_parms): Use size_diffop and make sure
2237 VAR field is of ssizetype; also pass proper type to size_binop.
2238 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
2239 (round_down): Deleted from here.
2240 * store-layout.c (sizetype_tab): Now an array.
2241 (sizetype_set, early_root_list): New variables.
2242 (variable_size): Use size_one_node.
2243 (round_up): Pass proper type to size_binop.
2244 (round_down): Moved to here and corrected as above.
2245 (layout_record): Pass proper arg types to size_binop.
2246 (layout_type): Likewise.
2247 If sizetype_set is zero, record the type just laid out.
2248 (make_unsigned_type): Don't call set_sizetype;
2249 (make_signed_type): Likewise; also, call fixup_signed_type.
2250 (initialize_sizetypes): New function.
2251 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
2252 set name of bitsizetype to "bit_size_type".
2253 Fix up type of sizes of all types made before call.
2254 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
2255 * tree.c (fix_sizetype): Deleted.
2256 (build_common_tree_nodes): Call initialize_sizetypes.
2257 (build_common_tree_nodes_2): Don't call fix_sizetype.
2258 * tree.h (TYPE_IS_SIZETYPE): New macro.
2259 (initialize_sizetype): New declaration.
2260 (enum size_type_kind): New type.
2261 (struct sizetype_tab): Deleted.
2262 (sizetype_tab): Now array; adjust sizetype macros.
2263 (size_diffop, size_int_type_wide): New functions.
2264 (size_int_wide): Change number of args and type; access macros changed.
2265 (ssize_int, sbitsize_int): New macros.
2266 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
2267 (ROUND_TYPE_SIZE_UNIT): New macro.
2269 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
2271 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
2273 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2275 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
2276 Mark as possibly unused.
2278 * cse.c (cse_insn): Delete dead code involving tablejump.
2279 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
2281 * Makefile.in (libcpp.a): Start by deleting it.
2283 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2285 * cpplib.h (enum file_change_code): Added rename_file.
2286 * cpplib.c (do_line): If a filename is given, set file_change to
2288 (output_line_command): If file_change is rename_file, always
2289 output a # directive with the file name.
2291 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
2293 2000-02-26 Mark Mitchell <mark@codesourcery.com>
2295 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
2296 when copying a PARM_DECL or RESULT_DECL.
2298 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2300 * fix-header.c (recognized_function): Also fix prototypes for
2301 functions taking "void".
2303 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2305 * reload1.c (do_output_reload): Check reg_reloaded_valid before
2306 looking at reg_reloaded_contents.
2308 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
2310 * Makefile.in (STMP_FIXINC): New toggle.
2311 (LIBGCC2_DEPS): Delete all references.
2312 (stmp-headers): Delete target. All references either deleted
2313 or changed to stmp-int-headers.
2314 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
2315 (LIBCPP_OBJS): Take out cppalloc.o.
2316 (cppalloc.o): Delete target.
2317 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2318 (gen-protos, fix-header): Link with libiberty.a.
2319 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2322 * configure.in: Remove refs to strerror.
2323 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2324 * system.h: Take out strerror stanza.
2326 * cpperror.c (my_strerror): Delete function.
2327 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2328 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2329 * cppalloc.c: Delete file.
2330 * gen-protos.c: Don't provide xrealloc.
2332 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2333 xstrerror throughout.
2335 2000-02-26 Bruce Korb <bkorb@gnu.org>
2337 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2338 match for DOS headers, too.
2339 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2341 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2343 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2344 is right for most ELF targets.
2345 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2346 Let the default file use %U properly.
2347 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2350 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2353 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2355 * toplev.c (documented_lang_options): Correct spelling error.
2356 (decode_d_option, decode_f_option, main): Likewise.
2358 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2360 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2361 to tell assembler it is permitted to expand large constants.
2363 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2365 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2366 (aux_info_suffix): Use.
2367 (SAVE_SUFFIX): New macro.
2369 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2370 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2371 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2373 * invoke.texi (Running Protoize): Update documentation.
2375 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2377 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2379 2000-02-25 John Wehle (john@feith.com)
2381 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2383 2000-02-25 Anthony Green <green@cygnus.com>
2385 * toplev.c (rest_of_compilation): Rebuild jump labels if
2386 combine_instructions has created a new direct jump.
2387 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2389 (combine_instructions): Call try_combine with new argument.
2390 Return non-null value when new direct jump instruction is created.
2391 * rtl.h: combine_instructions returns an int.
2393 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2395 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2396 jump when changing a computed jump into a jump to a known
2399 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2401 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2402 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2404 * i386.md (define_expand "clrstrsi"): Fix typo.
2406 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2408 * rtl.texi: Fix typo.
2410 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2412 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2413 UNITS_PER_WORD. Change caller initial_elimination_offset.
2414 (rounded_frame_size): Take into account that argument pushed has
2415 changed. Fix TARGET_ALIGN_DOUBLE problem.
2417 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2419 * haifa-sched.c (schedule_block): Explain the real reason
2420 we delete REG_SAVE_NOTEs on the first insn of a block.
2421 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2423 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2425 * input.h (push_srcloc): New function.
2426 (pop_srcloc): Likewise.
2427 * toplev.c (push_srcloc): Define it.
2428 (pop_srcloc): Likewise.
2430 2000-02-24 Richard Henderson <rth@cygnus.com>
2432 * flow.c (life_analysis): When collecting reg info, clear
2435 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2437 Fix bug exposed by reload.c no longer rounding the frame
2438 size to BIGGEST_ALIGNMENT:
2439 * sh.c (rounded_frame_size): New function.
2440 (sh_expand_prologue, sh_expand_epilogue): Use it.
2441 (initial_elimination_offset): Likewise.
2443 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2445 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2446 * sh-protos.h (sh_need_epilogue): Declare.
2447 * sh.c (sh_need_epilogue_known): New static variable.
2448 (sh_need_epilogue): New function.
2449 (function_epilogue): Clear need_epilogue_known.
2450 * sh.md (return): Split into expander / insn pattern.
2451 Make the expander conditional on ! sh_need_epilogue ().
2453 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2455 * machmode.h (get_mode_alignment): Declare.
2456 (GET_MODE_ALIGNMENT): Call it.
2457 * stor-layout.c (get_mode_alignment): New function. Make
2458 sure alignment is always power of 2.
2460 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2462 * i386.h: Remove useless definition of "I386" and misleading
2465 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2467 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2468 under which TREE_PERMANENT will be set.
2469 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2470 build1): Use TREE_SET_PERMANENT.
2471 * print-tree.c (print_node): Don't report value of
2472 TREE_PERMANENT if ggc_p is true.
2474 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2475 decide whether to give a type a new alias set.
2476 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2477 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2478 of value of 'obstack'.
2481 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2483 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2485 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2487 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2488 * cpplib.c (cpp_get_token): Produce them.
2489 * cppexp.c (cpp_lex): Handle them.
2491 2000-02-23 Nick Clifton <nickc@cygnus.com>
2493 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2494 comment tests on type attributes.
2496 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2498 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2499 conform to documentation.
2500 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2501 to check for special cases.
2502 * sh-protos.h (sh_loop_align): Declare.
2503 * sh.c (sh_loop_align): Define.
2505 2000-02-22 Andrew Haley <aph@cygnus.com>
2507 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2508 (SIZE_TYPE): Is 32 bits when using -mgp32.
2509 (PTRDIFF_TYPE): Ditto.
2511 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2513 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2515 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2517 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2518 BIGGEST_FIELD_ALIGNMENT a constant.
2520 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2522 * dwarf2out.c (output_line_info): Put the marker for the end of
2523 the line number info at the actual end.
2524 (gen_struct_or_union_type_die): Use decl_function_context
2525 to check for local classes.
2526 * dwarfout.c (output_type): Likewise.
2528 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2530 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2531 for arguments with a mode, but no type.
2532 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2533 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2534 * pa/long_double.h: New file.
2535 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2536 both have 128bit wide long doubles.
2537 * configure: Rebuilt.
2539 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2543 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2544 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2545 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2547 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2549 * integrate.c (compare_blocks, find_block): Likewise.
2551 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2553 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2555 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2556 expand_asm_operands): Likewise.
2558 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2560 * predict.c (estimate_probability): Added the pointer heuristic to
2561 the collection of static branch predictors.
2563 2000-02-21 Catherine Moore <clm@cygnus.com>
2565 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2566 * invoke.texi (-mfix7000): Document.
2568 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2570 * diagnostic.c (init_output_buffer): Make it possible to output at
2571 least 32 characters if we're given a too long prefix.
2573 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2575 * varasm.c (initializer_constant_valid_p): Call
2576 lang_expand_constant to simplify the constant.
2578 2000-02-20 Bruce Korb <bkorb@gnu.org>
2580 * fixinc/inclhack.def(stdio_va_list):
2581 typedef needs to be disabled.
2582 * fixinc/inclhack.sh: regen
2583 * fixinc/fixincl.x: regen
2585 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2587 * print-rtl.c (print_rtx): Don't print addresses when
2588 flag_dump_unnumbered.
2590 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2592 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2594 (sparc_va_arg, sparc_flat_output_function_prologue,
2595 sparc_flat_output_function_epilogue): Cast value to unsigned in
2597 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2599 * sparc.md: Add default case in switch.
2601 2000-02-19 Richard Henderson <rth@cygnus.com>
2603 * c-typeck.c (add_pending_init): Don't abort for multiple
2604 fields at the same offset.
2605 (pending_init_member): Test the correct member.
2607 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2609 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2611 (start_catch_handler) : Same.
2613 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2615 * Makefile.in: Have flow.o depend on $(EXPR_H)
2617 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2619 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2620 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2621 (finish_decl): Remove -Wlarger-than code from here.
2622 * flags.h (id_clash_len): Now int.
2623 (larger_than_size): Now HOST_WIDE_INT.
2624 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2625 Clean up checking to see if in table.
2626 (make_bit_field_ref): Remove extra parm to bitsize_int.
2627 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2628 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2629 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2630 and for computing size of decl.
2631 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2632 Move -Wlarger-than code to here.
2633 (layout_record): Remove extra arg to bitsize_int.
2634 Set TYPE_BINFO_SIZE_UNIT.
2635 (layout_union): Remove extra arg to bitsize_int.
2636 Use proper type for size of QUAL_UNION.
2637 (layout_type): Remove extra arg to bitsize_int.
2638 * toplev.c (id_clash_len): Now int.
2639 (larger_than_size): Now HOST_WIDE_INT.
2640 (decode_W_option): Clean up id-clash and larger-than- cases.
2641 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2642 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2643 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2644 (struct tree_decl): New field size_unit.
2645 (size_int_wide): No HIGH operand; NUMBER is now signed.
2646 (size_int_2): Deleted.
2647 (size_int, bitsize_int): Don't use it and rework args.
2648 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2650 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2652 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2654 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2656 * invoke.texi (Warning Options): Add an explanation of why
2657 you might want the -Wfloat-equal flag.
2659 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2661 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2662 * cppinit.c (new_pending_define): Add cast to avoid warning.
2663 * expmed.c (extract_bit_field): Likewise.
2664 * flow.c (enum reorder_skip_type): New type.
2665 (skip_insns_between_blcok): New it.
2666 Rework to avoid warning about possibly undefined variable.
2667 * function.c (assign_parms): Make thisparm_boundary unsigned.
2668 * genrecog.c (write_switch): Cast XWINT result to int.
2669 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2670 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2671 one for MIPS and one for Alpha.
2672 (get_tag, copy_object): Add casts to avoid warnings.
2673 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2674 * reload.c (find_reloads): Make TYPE enum reload_type.
2675 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2676 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2677 * varasm.c (compare_constant_1): Add cast to avoid warning.
2678 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2680 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2681 Cast switch operand of size to int.
2682 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2683 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2686 2000-02-18 Nick Clifton <nickc@cygnus.com>
2688 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2689 anything for an alignment of zero.
2691 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2692 anything for an alignment of zero.
2694 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2696 * gcc.texi (Bug Reporting): Refer to bugs.html.
2697 (Bug Lists): Likewise.
2698 * system.h (GCCBUGURL): New preprocessor define.
2699 * rtl.c (fancy_abort): Use it.
2700 * gcc.c (main): Likewise.
2702 2000-02-18 Richard Henderson <rth@cygnus.com>
2704 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2705 (life_analysis_1): Subsume into ...
2706 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2707 Use update_life_info for the relaxation.
2708 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2709 entry and regs_live_at_setjmp.
2710 (set_noop_p): Simplify.
2711 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2712 (record_volatile_insns): Split into ...
2713 (delete_noop_moves): ... here,
2714 (notice_stack_pointer_modification): ... here,
2715 (insn_dead_p): ... and here.
2716 (propagate_block): Don't query INSN_VOLATILE.
2717 (mark_used_regs): Mind !PROP_REG_INFO.
2718 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2719 not in life_analysis.
2721 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2723 * loop.c (canonicalize_condition): New function,
2724 broken out of get_condition.
2725 (get_condition): Use it.
2726 * expr.h (canonicalize_condition): Prototype it.
2728 * tree.h (tree_int_cst_msb): Declare.
2729 * tree.c (tree_int_cst_msb): New function.
2731 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2733 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2736 * invoke.texi (-fmessage-length=n): Document.
2738 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2740 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2742 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2744 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2747 2000-02-17 Nick Clifton <nickc@cygnus.com>
2749 * config/arm/thumb.c: Replace includes of system headers with
2750 #include "system.h".
2752 2000-02-16 Richard Henderson <rth@cygnus.com>
2754 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2755 Add crtbeginS.o and crtendS.o.
2756 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2757 (ENDFILE_SPEC): Use crtendS.o.
2758 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2760 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2761 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2763 (__dso_handle): New variable.
2764 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2765 bias to __CTOR_END__.
2767 2000-02-16 Richard Henderson <rth@cygnus.com>
2769 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2771 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2773 * longlong.h (__clz_tab): Declare as static to match definition.
2775 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2776 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2777 (XREF_FILE_NAME): Define.
2779 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2780 (EH_FRAME_SECTION_ASM_OP): Define.
2781 (IDENT_ASM_OP): Define.
2782 (TEXT_SECTION_ASM_OP): Define.
2784 (CTORS_SECTION_ASM_OP): Define.
2785 (CTOR_SECTION_FUNCTION): Use it.
2786 (DTORS_SECTION_ASM_OP): Define.
2787 (DTOR_SECTION_FUNCTION): Use it.
2789 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2791 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2794 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2795 debug_bb_n): New functions.
2796 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2797 * basic-block.h: Prototype new functions.
2799 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2801 * configure.in: Add support for avr target.
2802 * configure: Rebuilt.
2804 * invoke.texi: Add AVR invocation docs.
2805 * install.texi: Add information about AVR.
2806 * md.texi: Add AVR constraint letters description.
2807 * extend.texi: Add description for AVR specific attributes.
2809 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2811 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2813 2000-02-16 Nick Clifton <nickc@cygnus.com>
2815 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2816 (make_insn_raw): Move RTL check here.
2818 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2820 * version.c: Include gansidecl.h and version.h.
2822 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2824 * configure.in (gcc_version): When setting, narrow search to
2825 lines containing `version_string'.
2827 * Makefile.in (mainversion): Likewise.
2828 (GCC_H): New variable.
2829 (gcc.h): Delete target.
2830 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2831 (version.o): Depend on version.h.
2832 (dbxout.o): Don't depend on gcc.h.
2834 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2835 Michael Meissner <meissner@cygnus.com>
2837 * md.texi (Simple Constraints): Add item about whitespace.
2838 * genoutput.c (strip_whitespace): New.
2839 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2840 strip_whitespace for constraints.
2841 Test pointer using NULL, not 0.
2843 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2845 * cpplib.c (do_line): Pedwarn for #line > 32767.
2847 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2849 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2851 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2852 to default cpp spec.
2853 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2854 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2857 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2860 2000-02-15 Denis Chertykov <denisc@overta.ru>
2862 * configure.in: Add support for avr target.
2864 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2866 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2867 (sh_addr_diff_vec_mode): Don't declare.
2868 * sh.c (sh_addr_diff_vec_mode): Delete.
2870 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2872 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2874 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2876 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2877 (smulsi3_highpart_i): Name.
2878 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2879 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2880 (smulsi3_highpart, umulsi3_highpart): Likewise.
2882 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2883 correctly independent of endianness.
2884 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2885 confuse the optimizers.
2886 (mulsidi3+1, umulsidi3+1): New define_split.
2888 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2890 * config/sh/sh.md: Guard insn splits against illegal registers.
2891 * config/sh/sh.h: Correct comment about macros.
2893 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2894 Andrew MacLeod <amacleod@cygnus.com>
2896 * Makefile.in (lcm.o): Depend on insn-attr.h.
2897 * basic-block.h (optimize_mode_switching): Declare.
2898 * lcm.c (tm_p.h, insn-attr.h): #include.
2899 (seginfo, bb_info): New structs.
2900 (antic, transp, comp, delete, insert) : New file-scope static variables.
2901 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2902 (reg_becomes_live, optimize_mode_switching): Likewise.
2903 * tm.texi: Add description of mode switching macros.
2904 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2906 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2907 (fldi_ok, fpscr_set_from_mem): New prototypes.
2908 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2909 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2910 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2911 (sh_flag_remove_dead_before_cse): Remove declaration.
2912 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2913 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2914 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2915 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2916 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2917 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2918 (fldi_ok): New function.
2919 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2920 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2921 (emit_df_insn): Likewise.
2922 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2923 (sh_flag_remove_dead_before_cse): Delete.
2924 (get_free_reg, fpscr_set_from_mem): New functions.
2925 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2926 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2928 2000-02-15 Loren Rittle <ljrittle@acm.org>
2930 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2932 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2934 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2935 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2937 * cccp.c: Include version.h and/or don't declare `version_string'.
2938 * collect2.c: Likewise.
2939 * alpha.c: Likewise.
2940 * arm/aof.h: Likewise.
2941 * arm/coff.h: Likewise.
2942 * arm/elf.h: Likewise.
2943 * arm/pe.h: Likewise.
2944 * arm/tcoff.h: Likewise.
2945 * arm/telf.h: Likewise.
2946 * arm/tpe.h: Likewise.
2947 * arm/vxarm.h: Likewise.
2948 * convex/convex.c: Likewise.
2949 * i386/dgux.c: Likewise.
2950 * i386/sun386.h: Likewise.
2951 * m88k/m88k.c: Likewise.
2952 * mcore/mcore-pe.h: Likewise.
2953 * mips/mips.h: Likewise.
2954 * romp/romp.h: Likewise.
2955 * sh/sh.c: Likewise.
2956 * cpphash.c: Likewise.
2957 * cppinit.c: Likewise.
2958 * dwarf2out.c: Likewise.
2959 * dwarfout.c: Likewise.
2962 * mips-tfile.c: Likewise.
2963 * protoize.c: Likewise.
2964 * toplev.c: Likewise.
2967 * version.c (version_string): Constify a char*.
2969 * version.h: New file.
2971 2000-02-14 Nick Clifton <nickc@cygnus.com>
2973 * configure.in: Add mcore-elf and mcore-pe targets.
2974 * configure: Regenerate.
2976 * NEWS: Add note that MCore port has been contributed.
2978 * invoke.texi: Document command line switches for MCore port.
2979 * install.texi: Add MCore to list of supported targets.
2981 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2983 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2984 then we will need to import the frame handling functions.
2985 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2986 to import the frames themselves.
2988 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2989 Jason Eckhardt <jle@cygnus.com>
2991 * basic_block.h: Added prototype for reorder_basic_blocks.
2992 * toplev.c: Changes to add -freorder-blocks and graph dump after
2993 block reordering is done.
2994 * flow.c (reorder_block_def): New structure for use during block
2996 (REORDER_BLOCK_*): New macros to access members of above structure.
2997 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2998 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2999 functions for block reordering.
3001 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
3003 * gcc.texi (Passes): Fix typo.
3004 * md.texi (Standard Names): Ditto.
3005 * tm.texi (Storage Layout): Ditto.
3007 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3009 * cpplib.c (do_define): Only free the old definition if it
3012 2000-02-13 Neil Booth <NeilB@earthling.net>
3014 * cppfiles.c (read_and_prescan): When emitting deferred
3015 newlines, test speccase[] again instead of checking each
3016 possible whitespace character in turn. When we encounter \r,
3017 look behind for \n first, then ahead.
3019 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3021 * cse.c (cse_altered): New internal flag.
3022 (cse_insn): Set it if we changed an insn.
3023 (cse_main): Clear cse_altered before each basic block.
3024 Only garbage collect if cse_altered is true afterward.
3026 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3028 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
3030 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
3032 * combine.c (simplify_comparison): Fix typo.
3034 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
3036 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
3039 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3041 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
3042 previously inserted node instead of root node. Caller changed.
3044 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3046 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
3048 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
3051 __dereg_frame_dtor): Add prototype argument.
3053 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
3055 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
3057 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
3059 * gthr-vxworks.h (__gthread_once): Likewise.
3061 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
3063 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
3065 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
3066 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
3067 stack pointer in functions w/o saved registers, output LEAVE more often
3068 on TARGET_USE_LEAVE machines.
3070 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
3072 * config/arm/arm.c (arm_init_cumulative_args); New function:
3073 Initlaise the CUMULATIE_ARGS strcuture for a function
3075 (arm_function_arg): New function: Determine where to place a
3076 function's argument. Also handles deciding the function's
3078 (current_file_function_operand): New function: Return true if
3079 the symbol is a function which has already been compiled.
3080 (arm_is_long_call_p): New function: Return true if the
3081 indicated function should be called via a long call.
3082 (arm_valid_type_attribute_p): New function: Return true if the
3083 attribute is a valid, arm specific, attribute.
3084 (arm_comp_type_attribute): New function: Return true if the
3085 two types have compatable, arm specific, attributes.
3087 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
3089 (FUNCTION_ARG): Redefine to call arm_function_arg.
3090 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
3092 (INIT_CUMULATIVE_ARGS): Redefine to call
3093 arm_init_cumulative_args.
3094 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
3096 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
3098 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
3100 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
3101 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
3102 (COMP_TYPE_ATTRIBUTES): Define.
3104 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
3105 if a long call is needed.
3106 (call_value): Call arm_is_long_call_p to decide if a long call
3108 (call_symbol): Call arm_is_long_call_p to decide if a long call
3111 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
3113 2000-02-11 Denis Chertykov <denisc@overta.ru>
3115 * README.AVR: New file with information about the avr ports.
3116 * config/avr: New directory with avr port files.
3118 2000-02-11 Andreas Jaeger <aj@suse.de>
3120 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
3122 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
3124 * cpphash.c: Fix formatting, update commentary.
3125 (dump_definition): Take three separate arguments instead of a
3126 MACRODEF structure argument.
3127 * cpphash.h: Update prototype of dump_definition.
3128 * cppinit.c (cpp_finish): Update call of dump_definition.
3130 * cpplib.c (do_define): Always create new hash entry with
3131 T_MACRO type. Remove redundant check for redefinition of
3132 poisoned identifier. Update call of dump_definition.
3133 (do_undef): Don't call check_macro_name. Rename sym_length to
3135 (do_error, do_warning): Don't use copy_rest_of_line or
3137 (do_warning): Don't use pedwarn for the actual warning,
3138 only the notice about its not being in the standard. (Fixes
3139 bug with #warning in system headers.)
3140 (do_ident): Stricter argument checking - accept only a single
3141 string after #ident. Also, macro-expand the line.
3142 (do_xifdef): Use cpp_defined. De-obfuscate.
3144 (do_pragma): Split out specific pragma handling to separate
3145 functions. Use get_directive_token. Update commentary. Do
3146 not pass on #pragma once or #pragma poison to the front end.
3147 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
3148 do_pragma_default): New.
3150 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
3152 * jump.c (jump_optimize_1): The first operand in a relational
3154 * optabs.c (emit_conditional_move): Handle relationals which
3155 have a known true/false result.
3157 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3159 * function.c (thread_prologue_and_epilogue_insns): Don't insert
3160 a RETURN insn into a block which already ends with a jump.
3162 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3164 * haifa-sched.c (BUF_LEN): Increase a lot.
3166 2000-02-11 Nick Clifton <nickc@cygnus.com>
3168 * configure.in: Add tm_p_file specification for thumb targets.
3169 * configure: Regenerate.
3171 * config/arm/thumb-protos.h: New file: Prototypes for exported
3172 functions defined in thumb.c.
3174 2000-02-11 Robert Lipe <robertl@sco.com>
3176 * Makefile.in (bootstrap-lean): Remove additional files.
3177 (bootstrap2-lean): Likewise.
3178 (VOL_FILES): List of files for above.
3180 2000-02-11 Nathan Sidwell <nathan@acm.org>
3182 * cpphash.c (special_symbol): Remove spurious argument to
3185 2000-02-11 Joel Sherrill (joel@OARcorp.com>
3187 * configure.in: (i*86-*-rtems*): Swapped elf and coff
3189 * configure: Rebuilt.
3191 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
3193 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
3195 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
3197 * pa.c, pa.h: Remove trigraph sequences within comments.
3199 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3201 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
3203 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
3205 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
3207 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3209 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
3211 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3213 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
3214 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
3215 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
3216 (ASM_FILE_END): Use c4x_file_end.
3217 * config/c4x/c4x.c (c4x_global_label): New function.
3218 (c4x_external_ref, c4x_file_end): Likewise.
3220 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
3221 (c4x_external_ref, c4x_end_file): Likewise.
3223 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
3225 * cppexp.c: Don't include cpphash.h.
3226 (parse_charconst, cpp_lex): Use cpp_defined.
3227 (cpp_lex): Use get_directive_token throughout. Remove
3228 unnecessary cases from switch. Move assertion-handling code
3230 (cpp_parse_expr): If we see '+' or '-', check the context to
3231 determine if they are unary or binary operators. Streamline
3232 the jumps a bit. Do not call skip_rest_of_line.
3234 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
3235 static. Export get_directive_token. Update commentary.
3236 (cpp_defined): New function.
3237 (do_define): Remove reference to T_PCSTRING. Call
3238 free_definition to release memory for old definition, when
3240 (eval_if_expression): Set only_seen_white to 0 before calling
3241 cpp_parse_expr. Call skip_rest_of_line after it returns.
3242 (cpp_read_check_assertion): Don't preserve a pointer into the
3243 token buffer across a call to cpp_get_token.
3245 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
3246 * cppfiles.c (redundant_include_p): Use cpp_defined.
3247 * cpphash.c (free_definition): New function.
3248 (delete_macro): Use it. Update commentary.
3249 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
3251 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
3252 from enum node_type. Prototype cpp_defined and get_directive_token.
3253 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
3255 * fix-header.c (check_macro_names): Use cpp_defined.
3256 (read_scan_file): Set inhibit_warnings and inhibit_errors in
3257 the options structure.
3259 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3261 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
3263 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
3265 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
3266 rather than die->die_tag.
3268 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3270 * combine.c (make_extraction, force_to_mode): Avoid warning on
3271 mixed-signedness conditionals.
3272 (make_field_assignment, nonzero_bits): Likewise.
3273 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
3274 (store_split_bit_field, extract_split_bit_field): Likewise.
3275 (extract_fixed_bit_field, store_bit_field,
3276 * expr.c: Change alignment to be unsigned everywhere.
3277 (move_by_pieces, store_constructor_field, store_constructor):
3278 Alignment parm is unsigned.
3279 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3280 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3281 (do_compare_rtx_and_jump): Likewise.
3282 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
3283 Compare align with GET_MODE_ALIGNMENT.
3284 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
3285 (get_inner_reference): Likewise.
3286 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
3287 (expand_assignment): Local vars for alignment now unsigned.
3288 (store_constructor, store_field, expand_expr, do_jump): Likewise.
3289 (do_compare_and_jump): Likewise.
3290 (store_field): Call new function expr_align.
3291 * expr.h (emit_block_move, emit_group_load, emit_group_store):
3292 Alignment arg now unsigned.
3293 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3294 (do_compare_rtx_and_jump, store_bit_field): Likewise.
3295 (extract_bit_field): Likewise.
3296 * fold-const.c (add_double): Add cast to eliminate signedness warning.
3297 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
3298 (get_best_mode): Alignment arg is unsigned.
3299 * rtl.h (move_by_pieces): Likewise.
3300 * store-layout.c (maximum_field_alignment, set_alignment):
3302 (layout_decl): Alignment arg is now unsigned.
3303 Remove unneeded casts.
3304 (layout_record, layout_union, layout_type): Remove unneeded casts.
3305 Local alignment variables now unsigned.
3306 (get_best_mode): Alignment arg now unsigned.
3307 * tree.c (expr_align): New function.
3308 * tree.h (expr_align): Likewise.
3309 (maximum_field_alignment, set_alignment): Now unsigned.
3310 (get_inner_reference): Alignment argument is now pointer to unsigned.
3311 * varasm.c (assemble_variable): Add cast to eliminate warning.
3313 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3315 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
3316 then store directly into op0.
3318 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3319 the CALL_INSN, and emit the note immediately after it.
3321 2000-02-10 Nick Clifton <nickc@cygnus.com>
3323 * config/arm/thumb.md (epilogue): Include a (return) in the
3324 generated insn, and emit it using emit_jump_insn not
3327 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3329 * function.c (assign_temp): Change zero-sized arrays to size 1.
3330 * integrate.c (expand_inline_function): Do not update
3331 stack_alignment_needed
3332 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3333 add some sanity checking, remove optimization for function with
3336 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3338 * flow.c (mark_regs_live_at_end): Delete unused variables.
3340 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3342 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3343 in macro FRAME_GROWS_DOWNWARD.
3345 * stmt.c (expand_end_bindings): Delete unused variable.
3347 * unroll.c (iteration_info): Mark parameter `loop' with
3350 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3352 * fixinc/server.c (load_data): Return NULL if the marker line is
3354 (run_shell): If load_data returns NULL, retry the command once, in
3357 * configure: Rebuilt.
3359 2000-02-09 Bruce Korb <bkorb@gnu.org>
3361 * gcc/fixincludes: ** DELETED **
3362 * gcc/fixcpp: ** DELETED **
3363 * gcc/fixinc-nt.sed: ** DELETED **
3364 * gcc/just-fixinc: ** DELETED **
3365 * gcc/Makefile.in: Removed out-dated commentary
3366 * gcc/configure.in: Removed fast-fixincludes disablement.
3367 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3369 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3370 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3373 2000-02-09 Richard Henderson <rth@cygnus.com>
3375 * jump.c (delete_insn): Don't delete user labels at -O0.
3377 2000-02-09 Robert Lipe <robertl@sco.com>
3379 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3380 Don't link with HOST_LIBS.
3382 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3384 * configure.in: Correct --help text for --with-dwarf2.
3385 Put tm-dwarf2.h after other tm files, if it's requested.
3386 * configure: Regenerate.
3387 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3390 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3392 * cpplib.h: Provide HASHNODE typedef and forward decl of
3393 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3394 DEFINITION, struct hashnode, struct macrodef, struct
3395 definition, scan_decls prototype, default defn of
3396 INCLUDE_LEN_FUDGE moved elsewhere.
3398 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3399 definition, and struct hashnode moved here. Remove the unused
3400 'predefined' field from struct definition. Replace the 'args'
3401 union with its sole member. All users updated (cpphash.c).
3402 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3403 multiple include guard.
3405 * cpphash.c (hashf): Make static; use better algorithm; drop
3406 HASHSIZE parameter; return an unsigned int.
3407 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3408 used. Calculate HASHSIZE modulus here.
3409 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3411 (create_definition): Drop PREDEFINITION parameter.
3412 * cpplib.c (do_define): Don't calculate a hash value here.
3413 Don't pass (keyword == NULL) to create_definition.
3415 * scan.h: Prototype scan_decls here.
3416 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3417 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3418 callers of cpp_lookup and cpp_install updated.
3420 * cpphash.c (macarg): Hoist all the flag diddling out of the
3422 (macroexpand): ... and out of the loop that calls macarg.
3423 Skip over the initial paren before macro arguments with
3424 cpp_get_non_space_token; point may be some distance before
3425 that paren. Abort if it's not there.
3427 * cpplib.c (parse_clear_mark): Delete function.
3428 (parse_set_mark, parse_goto_mark): Make static.
3429 (ACTIVE_MARK_P): New macro.
3430 (skip_block_comment, skip_line_comment): Do not bump the line
3431 if ACTIVE_MARK_P is true.
3432 (cpp_pop_buffer): The buffer to be popped may not have an
3434 (cpp_get_token): When looking for the initial paren before
3435 macro arguments, only set a mark in a file buffer, Always
3436 return to that mark before proceeding to call macroexpand or
3437 return a NAME token.
3439 * cpplib.h: Remove prototypes of parse_set_mark,
3440 parse_clear_mark, parse_goto_mark.
3441 (struct cpp_options): Rename 'put_out_comments' to
3442 'discard_comments' and invert its sense.
3443 * cppinit.c, cpphash.c, cpplib.c: All users of
3444 put_out_comments changed to use discard_comments, with
3447 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3449 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3450 the edge from a block that both jumps and falls through to the
3453 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3455 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3456 constant source address is legitimate.
3458 2000-02-09 Philip Blundell <pb@futuretv.com>
3460 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3463 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3465 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3467 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3469 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3470 ends with a newline and a NUL. Don't be so clever manipulating
3473 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3475 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3476 not to BIGGEST_ALIGNMENT.
3478 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3480 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3481 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3482 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3483 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3484 * frame.c (execute_cfa_insn): Handle
3485 DW_CFA_GNU_negative_offset_extended.
3487 2000-02-08 Richard Henderson <rth@cygnus.com>
3489 * flow.c (tidy_fallthru_edges): Split out from ...
3490 (delete_unreachable_blocks): ... here.
3491 (find_basic_blocks): Use it.
3493 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3495 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3497 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3499 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3500 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3501 (fix-header.o): Don't depend on cpphash.h.
3503 * scan.c (hashstr): New function.
3504 * scan.h: Prototype it.
3505 * fix-header.c: Don't include cpphash.h. Use hashstr.
3506 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3507 hashstr. Report hash table statistics. Add private
3508 definition of xrealloc.
3510 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3512 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3514 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3516 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3517 jumps with returns unless they are jumps to the fallthru block.
3519 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3521 * i386.md (addqi3_cc): Fix contraints.
3523 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3525 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3527 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3529 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3530 carriage return after a macro name.
3532 2000-02-07 Fred Fish <fnf@be.com>
3534 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3535 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3537 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3539 * cppfiles.c (deps_output): Count spacers in deps_column.
3541 2000-02-07 Neil Booth <NeilB@earthling.net>
3543 * cppinit.c (initialize_dependency_output): If there is no
3544 suffix, don't try to look for known suffixes. Use strrchr.
3545 (cpp_start_read): Remove duplicate initialization.
3547 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3549 * calls.c (compute_argument_block_size): New argument
3550 preferred_stack_boundary.
3551 (expand_call): update cfun->preferred_stack_boundary, update call of
3552 compute_argument_block_size
3553 (emit_library_call): Increate cfun->preferred_stack_boundary
3554 to PREFERRED_STACK_BOUNDARY
3555 (emit_library_call_value): Likewise.
3556 * explow.c (allocate_dynamic_stack_spave): Likewise.
3557 * function.c (prepare_function_start): Set
3558 cfun->preferred_stack_boundary
3559 * function.h (struct function): Add preferred_stack_boundary field.
3560 * integrate.c (expand_inline_function): Update
3561 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3562 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3563 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3565 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3567 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3568 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3569 cpp_pedwarn, cpp_pedwarn_with_line,
3570 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3571 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3572 v_cpp_error_with_line, v_cpp_warning_with_line,
3573 cpp_message_from_errno, cpp_perror_with_name): Delete.
3575 * cpperror.c (cpp_print_containing_files): Take starting
3577 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3578 (v_cpp_message): Now called directly by all entry points.
3580 (cpp_pfatal_with_name, cpp_message): Delete.
3581 (cpp_notice_from_errno, cpp_ice): New functions.
3582 (cpp_notice): Is now for reporting error conditions, just
3583 without an associated file.
3584 (cpp_error, cpp_error_with_line): Don't do anything if
3585 opts->inhibit_errors is on.
3586 (cpp_pedwarn_with_file_and_line): Take column argument also.
3588 * cpplib.h: Update prototypes of exported functions.
3589 (struct cpp_options): Add inhibit_errors.
3591 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3592 non-error messages. Include intl.h.
3594 * cppinit.c, cppmain.c: Likewise. Also, use
3595 cpp_notice_from_errno instead of cpp_perror_with_name or
3596 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3598 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3599 report internal errors.
3601 * cpplib.c (do_define): Switch bcopy to memcpy.
3602 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3604 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3605 bail out early if we hit a line comment.
3607 2000-02-06 Richard Henderson <rth@cygnus.com>
3609 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3610 * basic-block.h: Declare them.
3611 * emit-rtl.h (active_insn_p): New.
3612 (next_active_insn, prev_active_insn): Use it.
3613 * rtl.h: Declare it.
3614 * function.c (emit_return_into_block): New.
3615 (thread_prologue_and_epilogue_insns): Insert return insns instead
3616 of epilogues when possible.
3617 * jump.c (jump_optimize_1): Remove code to insert a return insn
3618 on the fallthru to the exit block.
3620 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3621 and for non-empty stack frames.
3622 * i386.md (return): Expand to return-pop as needed.
3624 2000-02-06 Richard Henderson <rth@cygnus.com>
3626 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3627 constant to op1 for testing.
3629 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3631 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3632 (fixuns_truncqfqi2): Use it.
3634 2000-02-06 Richard Henderson <rth@cygnus.com>
3636 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3639 * i386.md (widening and peepholes): Mask the constant instead of
3642 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3644 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3645 input pointer before possibly branching off to the backslash
3647 * cpphash.c (macroexpand): Correctly delete \r escapes when
3648 stringifying parameters.
3649 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3650 if we can; bail out early if we hit a line comment.
3651 (handle_directive): Treat '# 123' in an .S file just like
3652 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3653 Return 1 for '# not_a_directive'.
3654 (get_directive_token): Pop macro buffers here, so that
3655 cpp_get_token can't sneakily move past a newline.
3657 (cpp_get_token): goto randomchar if handle_directive returns 0.
3659 * cppalloc.c: Update copyright.
3660 * cpplib.c: Merge all the static function prototypes into one
3662 * cpplib.h: Remove #if 0 block.
3664 * cpperror.c: Remove #ifdef EMACS block.
3665 * cppmain.c: Likewise.
3666 * cpphash.c: Remove #if 0 blocks.
3667 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3668 * cpplib.c: Remove #if 0 blocks and code referencing
3669 pcp_inside_if or for_lint. Remove duplicate error message.
3670 Fix error messages for #else after #else or #elif. Reformat.
3671 Remove archaic TODO list.
3672 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3674 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3676 * i386/osf1elf.h: Add missing backslash to multiline string.
3678 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3680 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3682 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3684 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3686 * c-common.c: Include expr.h.
3688 * c-pragma.c (mark_align_stack): Add prototype.
3690 * caller-save.c (add_stored_regs): Likewise.
3692 * combine.c (record_promoted_value): Likewise.
3694 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3697 * cppinit.c (new_pending_define): Likewise.
3699 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3701 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3702 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3703 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3704 class_scope_p): Likewise.
3706 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3707 dwarf2out_add_library_unit_info): Likewise.
3709 * ggc.h (ggc_page_print_statistics): Likewise.
3711 * haifa-sched.c (propagate_deps): Likewise.
3713 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3715 * rtl.h (set_stack_check_libfunc): Likewise.
3717 * toplev.h (set_fatal_function): Likewise.
3719 * toplev.c (set_fatal_function): Delete prototype.
3721 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3723 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3725 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3726 (FUNC_END): Likewise.
3728 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3730 * caller-save.c: Include tm_p.h.
3732 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3734 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3736 2000-02-04 Neil Booth <NeilB@earthling.net>
3738 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3741 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3743 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3744 * genflags.c: Use the max_operand_1 logic from genemit.c to
3745 calculate how many arguments gen_insn prototypes have. Remove
3746 NO_MD_PROTOTYPES ifdefs from the generated file.
3747 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3748 file. Cast gen_insn initializers to insn_gen_fn.
3749 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3750 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3752 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3754 * fixinc/Makefile.in (HDR): Add machname.h.
3757 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3759 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3760 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3761 (c4x_cpu_version): Ditto.
3762 * config/c4x/c4x-protos.h: ... here.
3764 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3766 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3767 gen_abstract_function on our context if we're a nested function.
3769 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3771 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3772 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3774 2000-02-04 Bruce Korb <bkorb@gnu.org>
3776 * fixinc/genfixes(machname.h):
3777 Move the functionality from gen-machine.h into this file.
3778 UNdef MN_NAME_PAT if there are no names to change.
3779 Also, be a little kinder when AutoGen is not present.
3781 * fixinc/Makefile.in(machname.h):
3782 Change the generation rule to use genfixes.
3784 * fixinc/fixfixes.c(machine_name):
3785 machine_name_fix's functionality now dependent upon whether
3786 MN_NAME_PAT is defined.
3788 * fixinc/fixtests.c(machine_name):
3791 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3794 * fixinc/fixlib.h(mn_get_regexps):
3797 * fixinc/gen-machine.h: DELETED
3799 2000-02-04 Jan Hubicka <jh@suse.cz>
3800 Richard Henderson <rth@cygnus.com>
3802 * i386.c (SAVE_REGS_FIRST): Remove.
3803 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3804 (ix86_compute_frame_size): Likewise.
3805 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3806 (ix86_emit_restore_regs): Remove.
3807 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3808 when a frame pointer is in use.
3809 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3810 instead of pop to restore a register when profitable; emit leave
3812 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3814 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3815 * i386.md (prologue_allocate_stack): Remove.
3816 (epilogue_deallocate_stack): Remove.
3817 (pro_epilogue_adjust_stack): New.
3819 2000-02-04 Richard Henderson <rth@cygnus.com>
3821 * function.c (diddle_return_value): Rework to use a callback function.
3822 Use current_function_return_rtx if it's been set up.
3823 (do_clobber_return_reg, clobber_return_register): New.
3824 (do_use_return_reg, use_return_register): New.
3825 (expand_function_end): Use them.
3826 * stmt.c (expand_null_return): Likewise.
3827 * function.h: Declare them.
3828 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3829 (mark_reg): Change arguments as appropriate for callback.
3830 * integrate.c (expand_inline_function): Revert 19 Jan change.
3832 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3834 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3835 (Misc): Say the scheduler, not the Haifa scheduler.
3837 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3839 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3840 when in_mem is set. Update all callers.
3842 2000-02-04 Richard Henderson <rth@cygnus.com>
3844 * i386/openbsd.h (INT_ASM_OP): Define.
3846 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3848 * tm.texi: Fix various typos.
3850 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3852 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3853 (MD_STARTFILE_PREFIX_1): New macro.
3855 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3857 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3858 destination when needed.
3859 (strmovsi, strsetsi): New expander.
3860 (strmovsi_1, strsetsi_1): New pattern.
3861 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3862 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3863 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3864 * invoke.texi (align-stringops, inline-all-stringops): Document.
3866 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3868 * i386/netbsd.h (INT_ASM_OP): Define.
3870 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3872 * cpplib.h (cpp_reader): Add new flag, no_directives.
3873 * cpphash.c (macarg): Set it.
3874 * cpplib.c (handle_directive): If no_directives is on and we
3875 find a directive, issue an error and discard the line.
3877 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3879 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3880 FP constants. Add ! TARGET_FPU check for FP constants.
3882 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3884 * flow.c (find_basic_blocks): Don't kill label_value_list
3886 (cleanup_cfg): Kill it here.
3888 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3890 * expr.c (store_field): Ensure ALIGN is no stricter than the
3893 2000-02-02 Richard Henderson <rth@cygnus.com>
3895 * jump.c (delete_insn): Partially revert 19 Jan change;
3896 don't convert unused code labels to notes at -O0.
3898 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3900 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3901 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3903 2000-02-01 Richard Henderson <rth@cygnus.com>
3905 * i386.c (general_no_elim_operand): New.
3906 (nonmemory_no_elim_operand): New.
3907 (ix86_expand_move): Copy eliminable operands before a push.
3908 * i386-protos.h: Declare new functions.
3909 * i386.h (CAN_ELIMINATE): Simplify.
3910 (PREDICATE_CODES): Update.
3911 * i386.md (push insns): Don't allow eliminable register operands.
3913 2000-02-01 Richard Henderson <rth@cygnus.com>
3915 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3916 replace BLKmode with DECL_RTL's mode.
3918 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3920 * frame.c (find_fde): Convert for loop to do-while so compiler
3921 sees it's always executed at least once.
3922 * libgcc2.c (BBINBUFSIZE): Kill.
3923 (__bb_init_prg): Use fgets.
3924 (__bb_exit_trace_func): Don't paste strings.
3925 * unroll.c (unroll_loop): Initialize unroll_type, not
3926 unroll_number, and tweak logic to match.
3928 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3930 (ix86_flags_dependant): Likewise. Disentangle control flow.
3931 (ix86_sched_reorder): Break guts out to
3932 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3933 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3936 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3937 use string concatenation. Don't save and restore esi.
3939 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3940 (machname.h): Remove script to separate file. Use two-step
3941 sequence so target is not created if script fails.
3942 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3943 identifiers are defined.
3944 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3945 an empty string, machine_name doesn't need to do anything at
3947 (is_cxx_header): Add more cases to regexp.
3948 * fixinc/fixlib.h: Update prototype.
3949 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3951 * fixinc/fixincl.c: Define NO_BOGOSITY.
3953 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3954 (hp_sysfile): Add missing comma.
3955 (math_exception): Put the wrapper ifdefs at the beginning and
3956 the end of the file.
3957 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3959 2000-02-01 Richard Henderson <rth@cygnus.com>
3961 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3962 Use CONST0_RTX. Update all callers.
3963 * sparc.h, sparc-protos.h: Update accordingly.
3964 * sparc.md (fp mov insns): Use fp_zero_operand directly
3967 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3969 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3972 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3974 * Makefile.in (specs.ready): New target.
3975 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3977 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3979 * fixinc.irix: Use unique filenames for writing into /tmp,
3980 * fixinc.ptx: Likewise.
3981 * fixinc.sco: Likewise.
3982 * fixinc.svr4: Likewise.
3983 * fixinc.winnt: Likewise.
3985 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3987 * tsystem.h: New file.
3989 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3990 s-crtS): Depend on tsystem.h.
3992 * crtstuff.c: Include tsystem.h.
3993 * frame.c: Likewise.
3994 * libgcc2.c: Likewise.
3996 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3998 * builtins.c (expand_builtin_memset): Expand for variable sized
4001 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
4003 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
4006 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4008 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
4010 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
4012 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
4014 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
4015 case 3->2 combining (combining with splitting) in which 2 is CC0
4016 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
4017 checked at the begining of the function with the aid of calling
4018 function 'can_combine_p'.
4020 2000-01-31 Dave Brolley <brolley@redhat.com>
4022 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
4024 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
4026 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
4029 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
4033 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
4036 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4038 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
4039 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
4040 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
4041 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
4042 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
4043 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
4044 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
4045 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
4046 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
4047 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
4049 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
4050 Add %(cpp_cpu) to CPP_SPEC.
4052 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
4053 Add %(cc1_cpu) to CC1_SPEC.
4055 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4057 * c-decl.c (c_decode_option): Accept optional numeric argument to
4058 -Wformat and set warn_format.
4059 * c-common.c: Don't emit warning about non-constant printf format
4060 string unless warn_format > 1.
4062 2000-01-30 Richard Henderson <rth@cygnus.com>
4064 * alpha.md (return_internal): Allow after reload only.
4066 2000-01-30 Richard Henderson <rth@cygnus.com>
4068 * i386.c (ix86_compute_frame_size): Omit padding1 if the
4069 local frame size is zero.
4071 2000-01-30 Richard Henderson <rth@cygnus.com>
4073 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
4074 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
4075 * alpha.md (return): Turn into an expander.
4076 (return_internal): Don't use $26.
4077 (epilogue): Emit the return insn.
4079 2000-01-30 Richard Henderson <rth@cygnus.com>
4081 * alpha.md (negtf2, abstf2): Fix word order thinko.
4083 (trunctfsf2): Avoid intermediate rounding errors.
4085 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4087 * cppfiles.c (find_position): Drop 'colp' argument, return the
4089 (read_and_prescan): Adjust to match. Don't ever manipulate
4090 line or line_base except via find_position.
4092 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4094 * c-parse.in: Apply Ulrich's changes from c-parse.y.
4095 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
4098 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4100 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
4101 just print "<command line>". If 'filename' is null or an
4102 empty string, print "<stdin>" for the filename.
4103 * cpplib.c (do_define): Don't print the 'location of the
4104 previous definition' message if we're still parsing the
4106 (cpp_pedwarn_with_file_and_line): Always call
4107 cpp_file_line_for_message.
4109 2000-01-29 Mark Mitchell <mark@codesourcery.com>
4111 * flow.c (mark_regs_live_at_end): Fix typo.
4113 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4115 * c-common.c: Adjust variable names, comments, help strings to c99.
4116 * c-lex.c: Likewise.
4117 * c-parse.y: Likewise.
4118 * c-tree.h: Likewise.
4120 * cpplib.h: Likewise.
4121 * c-decl.c: Likewise. Recognize options with names "*99" as well.
4122 * cppinit.c: Likewise.
4124 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4126 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
4127 * c4x.c: Define the optab rtx values.
4128 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
4129 (c4x_emit_libcall): Use new optab rtx values.
4130 (c4x_emit_libcall3): Likewise.
4131 (c4x_emit_libcall_mulhi): Likewise.
4132 * c4x-protos.h: Add prototypes for optab rtx values and change
4133 prototypes for above c4x_emit_libcall functions.
4135 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4137 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
4139 (c4x_function_prologue): Use regnames intead of float_reg_names when
4141 (c4x_function_epilogue): Likewise.
4142 (c4x_print_operand): Likewise.
4143 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
4144 * c4x.md (set_high): Disable for TARGET_TI.
4146 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4148 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
4149 of framepointer + constant to ADDR_REGS class.
4150 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
4151 * c4x.c (std_or_reg_operand): New function.
4152 * c4x-protos.h (std_or_reg_operand): Prototype it.
4154 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4156 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
4157 object names as libgcc2.c.
4158 * libgcc.S: Use newly defined names.
4160 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
4161 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
4163 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
4164 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
4165 (FLOW_LOOP_LAST_BLOCK): Likewise.
4167 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4169 * basic-block.h (struct loop): New fields 'first' and 'last'.
4170 * flow.c (flow_loops_find): Compute loop->first and loop->last.
4171 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
4172 and loop->last to check for NOTE_INSN_LOOP_END.
4174 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
4176 * predict.c (estimate_probability): Use the new FIRST and LAST fields
4177 of the loop descriptor rather than HEADER and LATCH. Also added
4178 missing break statements as well making some coding style modifications
4179 as suggested by Michael Hayes.
4181 2000-01-28 Richard Henderson <rth@cygnus.com>
4183 * flow.c (find_basic_blocks): Remove do_cleanup argument.
4184 Break out that code ...
4185 (cleanup_cfg): ... here.
4186 (commit_one_edge_insertion): Detect a return instruction being
4187 emitted to an edge. Emit a barrier following; clear fallthru.
4188 (commit_edge_insertions): Verify CFG consistency.
4189 * function.c (expand_function_start): Kill unused variable.
4190 (expand_function_end): Likewise.
4191 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
4192 to insert the epilogue.
4194 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
4195 (delete_null_pointer_checks): Likewise.
4196 * output.h: Likewise.
4197 * reg-stack.c (reg_to_stack): Likewise.
4198 * toplev.c (rest_of_compilation): Likewise. Run
4199 thread_prologue_and_epilogue_insns after rebuilding the CFG.
4201 2000-01-28 Richard Henderson <rth@cygnus.com>
4203 * Makefile.in (flow.o): Revert 24 Jan change.
4204 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
4205 FUNCTION_VALUE result to DECL_RESULT's mode.
4207 * haifa-sched.c (schedule_insns): Don't recompute reg info
4210 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
4212 * configure.in: Make --enable-cpplib the default.
4213 * configure: Regenerate.
4214 * gcc.dg/990119-1.c: No longer expected to fail.
4216 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
4218 * jump.c (jump_optimize_1): Delete an optimization that is also done
4219 by merge_blocks in flow.
4221 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4223 * diagnostic.c (build_message_string, output_printf,
4224 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
4225 (build_location_prefix): Fix non-literal format string.
4227 2000-01-27 Richard Henderson <rth@cygnus.com>
4229 * alpha.md (trunctfsf2): New.
4231 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
4233 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
4235 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4237 * cppinit.c (cpp_handle_option): Recognize C++ comments under
4239 * cpplib.c (skip_block_comment, skip_line_comment): Split code
4241 (skip_comment) ... here. Permit C++ comments in system
4242 headers always. Warn about C++ comments in user code under
4243 -std=gnu89 -pedantic.
4244 (copy_comment): Use skip_comment.
4245 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
4247 (consider_directive_while_skipping, do_else, do_endif): Call
4248 validate_else unconditionally.
4249 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
4250 text after the conditional in a system header.
4251 * cpplib.h (struct cpp_buffer): Add flag
4252 warned_cplusplus_comments.
4254 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4256 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
4257 Use unshare_all_rtl_1.
4258 (unshare_all_rtl_again): New function.
4259 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
4261 * function.c (purge_addressof_1): Use unshare_all_rtl_again
4262 rather than resetting the 'used' flags ourself.
4264 * toplev.c (rest_of_compilation): Add current_function_decl
4265 to the unshare_all_rtl call.
4266 * tree.h: Prototype unshare_all_rtl.
4267 * rtl.h: Prototype unshare_all_rtl_again here.
4269 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4271 * genoutput.c (output_prologue): Include ggc.h in generated
4273 * Makefile.in (insn-output.o): Depends on ggc.h.
4275 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
4276 Hans-Peter Nilsson <hp@bitrange.com>
4278 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
4279 Remove redundant include of xm-ns32k.h.
4280 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
4281 Remove redundant include of xm-ns32k.h.
4282 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
4283 Remove redundant include of xm-ns32k.h.
4284 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
4286 * ns32k/ns32k.h: Update comment on multiply-add instructions.
4287 (TARGET_SWITCHES): Add documentation strings.
4288 (DWARF_FRAME_REGNUM): Override default definition.
4289 (REG_CLASS_CONTENTS): Add comments.
4290 (SUBSET_P): Format to reduce line length.
4291 (SMALL_REGISTER_CLASSES): Make a run time option.
4292 (GO_IF_NONINDEXED_ADDRESS): Reformat.
4293 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
4294 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
4295 (regclass_map): fix typo in comment.
4296 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
4297 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
4298 (trace, reg_or_mem_operand): Delete, unused function.
4299 (calc_address_cost): Small offsets are cheaper than large ones.
4300 (expand_block_move): Generate more efficient code when bytes is a
4301 known at compile time.
4302 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
4303 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
4304 instead of reg_or_mem_operand.
4306 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
4307 not general_operand. Similarly use "=rm" or stricter, not "=g".
4308 For input operands, use stricter constraints than "g" if not
4309 general_operand. Similarly use stricter predicate than
4310 "general_operand" when stricter constraints than "g" are present,
4311 except for matching constraints.
4312 (movstrsi): Use "memory_operand" for operands 0 and 1.
4313 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
4314 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
4315 not reg_or_mem_operand.
4316 (udivmoddisi4): Ditto.
4317 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4318 Use nonimmediate_operand for operand 3, not register_operand.
4319 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4322 2000-01-27 Fred Fish <fnf@be.com>
4324 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4325 * gthr-single.h: Likewise.
4326 * gthr-solaris.h: Likewise.
4327 * gthr-vxworks.h: Likewise.
4328 * gthr-win32.h: Likewise.
4331 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4333 * cppinit.c: Add " (cpplib)" to end of string printed by
4336 2000-01-27 Richard Henderson <rth@cygnus.com>
4338 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4339 testing for a signed comparison.
4340 (alpha_emit_floatuns): New.
4341 * alpha-protos.h: Declare it.
4342 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4343 (extendsfdf2): Tidy.
4345 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4347 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4348 no -g option specifying debugging format, default to -gstabs+.
4350 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4352 * calls.c (special_function_p): New argument fork_or_exec.
4353 (expand_call): When profile_arc_flag is set and the function
4354 is in the fork_or_exec group, call __bb_fork_func first.
4355 * libgcc2.c, _bb module (__bb_fork_func): New function.
4356 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4358 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4359 * tree.h (special_function_p): Update prototype.
4361 2000-01-26 Richard Henderson <rth@cygnus.com>
4363 * alpha.c (alpha_split_tfmode_pair): New.
4364 * alpha-protos.h: Declare it.
4365 * alpha.md (abstf2, negtf2): New.
4366 (movtf insn): Add input G constraint.
4367 (movtf splitter): Use alpha_split_tfmode_pair.
4369 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4371 * i386/cygwin.h: PROTO -> PARAMS.
4373 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4375 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4376 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4377 using _Qp_cmp/_Q_cmp and testing the return value.
4378 (print_operand): Call reverse_condition_maybe_unordered if
4379 we are handling CCFPmode or CCFPEmode.
4380 Handle ORDERED, UN* and LTGT comparisons.
4381 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4382 if not TARGET_HARD_QUAD.
4383 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4384 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4385 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4386 Adjust gen_b* calls so that they reflect return comparison of
4387 sparc_emit_float_lib_cmp.
4389 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4391 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4392 incoming operands array is large enough for one more operand.
4393 (alpha_emit_xfloating_arith): Likewise.
4395 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4397 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4398 file with one line and no trailing newline.
4399 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4400 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4401 checking if the match is on the line.
4402 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4404 2000-01-25 Richard Henderson <rth@cygnus.com>
4406 * sparc.c (output_cbranch): Fix accidental squashing of the
4407 fp branch pre-delay nop.
4409 2000-01-25 Richard Henderson <rth@cygnus.com>
4411 * tree.def (UNNE_EXPR): Remove.
4412 * c-typeck.c (build_binary_op): Don't handle it.
4413 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4415 * rtl.def (UNNE): Remove.
4417 * jump.c (reverse_condition): Update accordingly.
4418 (swap_condition): Likewise.
4419 (comparison_dominates_p): Handle unordered comparisons.
4420 (reverse_condition_maybe_unordered): New.
4421 * rtl.h (reverse_condition_maybe_unordered): Declare.
4423 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4424 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4425 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4426 * sparc.md (bltgt): New.
4428 2000-01-25 Nick Clifton <nickc@redhat.com>
4430 * emit-rtl.c (emit_insn): Only check machine class insns for
4431 improper emission of a RETURN.
4433 2000-01-25 Richard Henderson <rth@cygnus.com>
4435 * Makefile.in (flow.o): Depend on $(EXPR_H).
4436 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4437 duplicate the structure of diddle_return_value for keeping regs live.
4439 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4441 * loop.c (current_loop_info): Delete.
4442 (consec_sets_invariant_p): Add loop argument, update callers.
4443 (get_condition_for_loop): Likewise.
4444 (count_nonfixed_reads, update_giv_derive): Likewise.
4445 (simplify_giv_expr, general_induction_var): Likewise.
4446 (consec_sets_giv, recombine_givs): Likewise.
4447 (move_movables): Delete loop_start and loop_end arguments,
4448 add loop argument, and update callers.
4449 (find_mem_givs, check_final_value): Likewise.
4450 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4451 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4453 (basic_induction_var): Add loop argument, delete loop_level argument,
4455 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4456 add loop argument, and update callers.
4457 (find_splittable_regs, find_splittable_givs): Likewise.
4458 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4459 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4460 (biv_total_increment): Delete loop_start and loop_end arguments;
4462 (precondition_loop_p): Delete loop_start and loop_info arguments;
4464 * loop.h (get_condition_for_loop): Add loop argument.
4465 (biv_total_increment): Delete loop_start and loop_end arguments.
4466 (precondition_loop_p): Delete loop_start and loop_info arguments;
4468 (final_biv_value): Delete loop_start and loop_end arguments;
4470 (final_giv_value, back_branch_in_range_p): Likewise.
4472 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4474 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4476 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4478 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4479 point to the new "generated_files" doc.
4481 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4483 * config/fp-bit.c (_unord_f2): Fix typo.
4485 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4487 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4488 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4489 functions obsoleted by GC, such as push_obstacks_nochange,
4490 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4491 and code which existed only to decide whether or not to call
4492 them. Remove now-unused NESTED argument from start_function;
4493 all callers changed. Do not change behavior based on ggc_p.
4494 The use of the ixp_obstack in c-iterate.c and the util_obstack
4495 in objc/objc-act.c remain; these are not obsoleted by garbage
4497 * c-tree.h: Update prototype for start_function.
4499 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4501 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4503 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4506 2000-01-25 Richard Henderson <rth@cygnus.com>
4508 * sparc-protos.h (select_cc_mode): Declare.
4509 * sparc.c (select_cc_mode): New. Handle unordered compares.
4510 (output_cbranch): Always reverse via code change. Handle
4511 unordered compares. Factor tests and string updates.
4512 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4513 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4514 * sparc.md (bunordered, bordered): New.
4515 (bungt, bunlt, buneq, bunge, bunle): New.
4517 2000-01-25 Richard Henderson <rth@cygnus.com>
4519 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4520 * ggc-common.c (ggc_add_rtx_varray_root): New.
4521 (ggc_mark_rtx_varray): New.
4522 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4523 functions down below ggc_mark_foo.
4524 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4526 2000-01-25 Richard Henderson <rth@cygnus.com>
4528 * alpha.c (secondary_reload_class): Don't allocate a secondary
4529 for integral mode memories into FLOAT_REGS. Rearrange the more
4530 complicated memory expression inward.
4532 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4534 * inclhack.def: Fixes to play nicer with FreeBSD, and
4535 corrections to comments.
4536 (cxx_unready): Add select expression.
4537 (irix_sockaddr): Add bypass expression.
4538 (machine_ansi_h_va_list): New fix.
4539 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4540 Split out addition of "#include <stdarg.h>" to...
4541 (stdio_stdarg_h): ... here.
4542 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4543 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4544 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4546 (ultrix_ifdef): Tighten up select expression.
4548 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4549 re_ct and max_mach to avoid use of shell. Make printed names
4550 match names in inclhack.def. Use static copyright date.
4551 Don't count c_test and test expressions as requiring regex_t
4552 slots. Add some commentary.
4553 * inclhack.tpl: Do not include the 'This script contains N
4554 fixup scripts' line if PROGRAM is defined. Use static
4557 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4559 * dwarf2out.c: include "varray.h", not dyn-string.h.
4560 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4561 (addr_const_to_string, addr_to_string): Lose.
4562 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4563 (struct dw_val_struct): val_addr is now an rtx.
4564 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4565 (used_rtx_varray): New varray.
4566 (dwarf2out_init): Initialize it.
4568 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4570 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4571 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4572 * Makefile.in (dwarf2out.o): Update dependencies.
4574 2000-01-24 Richard Henderson <rth@cygnus.com>
4576 * i386.c (i386_dwarf_output_addr_const): New.
4577 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4579 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4581 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4582 * i386.c (i386_simplify_dwarf_addr): New.
4583 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4585 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4587 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4588 TYPE_STUB_DECL is NULL.
4590 2000-01-24 Richard Henderson <rth@cygnus.com>
4592 * builtins.c (expand_tree_builtin): Move ...
4593 * c-common.c (expand_tree_builtin): ... here.
4595 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4597 * loop.h (LOOP_INFO): New accessor macro.
4598 * basic-block.h (struct loop): Rename field `info' to `aux'.
4599 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4600 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4601 * unroll.c (loop_iterations, unroll_loop): Likewise.
4603 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4605 * config/i386/t-cygwin: Accomodate new winsup directory layout
4606 when searching for include files.
4608 2000-01-24 Richard Henderson <rth@cygnus.com>
4610 * rtl.def: Add unordered fp comparisions.
4611 * tree.def: Likewise.
4612 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4614 * builtins.c (expand_tree_builtin): New function.
4615 * c-typeck.c (build_function_call): Use it.
4616 (build_binary_op): Support unordered compares.
4617 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4619 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4620 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4621 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4622 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4623 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4625 (swap_condition): Handle unordered compares.
4626 (thread_jumps): Check can_reverse before reversing.
4627 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4630 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4631 setcc is present before acking for cmp_optab. Update all callers.
4632 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4633 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4634 * expr.c (expand_expr): Likewise. Support unordered compares.
4635 (do_jump, do_store_flag): Likewise.
4636 * expr.h (enum libfunc_index): Add unordered compares.
4638 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4639 (DPBIT_FUNCS): Add _unord_df.
4640 * config/fp-bit.c (_unord_f2): New.
4641 * fp-test.c (main): Try unordered compare builtins.
4643 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4644 * alpha.c (alpha_comparison_operator): Check mode properly.
4645 (alpha_swapped_comparison_operator): Likewise.
4646 (signed_comparison_operator): Likewise.
4647 (alpha_fp_comparison_operator): New.
4648 (alpha_emit_conditional_branch): Handle unordered compares.
4649 * alpha.h (PREDICATE_CODES): Update.
4650 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4651 (bunordered, bordered): New.
4653 2000-01-24 Richard Henderson <rth@cygnus.com>
4655 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4656 * alpha.md (movtf): New expander, insn, and splitter.
4658 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4660 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4663 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4665 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4666 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4667 REG_ALLOC_ORDER): Add frame pointer
4668 (FRAME_POINTER_REGNUM): Set to 20
4669 (HARD_FRAME_POINTER_REGNUM): New macro.
4670 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4671 to HARD_FRAME_POINTER.
4672 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4673 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4674 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4675 (HI_REGISTER_NAMES): Add "frame".
4676 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4677 (debug_reg): Handle FRAME_POINTER_REGNUM.
4678 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4679 GENERAL_REGS and INDEX_REGS.
4680 * i386.c (SAVED_REGS_FIRST): new macro.
4681 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4682 (ix86_decompose_address, memory_address_length): Likewise.
4683 (regclass_map): Add frame pointer.
4684 (call_insn_operand): Handle frame_pointer_rtx.
4685 (reg_no_sp_operand): Likewise.
4686 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4687 (print_operand, legitimize_pic_address): Fix formating.
4688 (ix86_compute_frame_size): Make static, update prototype, new
4689 parameters padding1, padding2, use ix86_nsaved_regs, use
4690 stack_alignment_needed.
4691 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4692 to HARD_FRAME_POINTER_REGNUM conversions.
4693 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4694 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4695 (print_reg): Abort on FRAME_POINTER_REGNUM
4697 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4699 * i386.h (PREDICATE_CODES): Add aligned_operand.
4700 * i386.c (aligned_operand): New function.
4701 (ix86_aligned_p): Kill.
4702 * i386.md (movhi_1): Emit mov for aligned operands.
4703 (promoting peep2s): Use aligned_operand.
4705 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4707 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4708 expression to allow underscores in macro names.
4709 (fix_char_macro_defines): Increment scanning pointer.
4711 2000-01-23 Richard Henderson <rth@cygnus.com>
4713 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4714 * alpha/osf5.h: New file.
4715 * configure.in (alpha-*-osf5): Add it to tm_file.
4717 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4719 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4720 (alpha_emit_xfloating_cvt, function_arg): Declare.
4721 * alpha.c (alpha_emit_conditional_branch): Call
4722 alpha_emit_xfloating_compare for TFmode compares.
4723 (alpha_lookup_xfloating_lib_func): New.
4724 (alpha_compute_xfloating_mode_arg): New.
4725 (alpha_emit_xfloating_libcall): New.
4726 (alpha_emit_xfloating_arith): New.
4727 (alpha_emit_xfloating_compare): New.
4728 (alpha_emit_xfloating_cvt): New.
4729 (print_operand): Add default abort case.
4730 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4731 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4732 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4733 (RETURN_IN_MEMORY): True for TF/TCmode.
4734 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4735 (FUNCTION_ARG): Move to function_arg.
4736 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4737 (ASM_OUTPUT_LONG_DOUBLE): New.
4738 (ASM_OUTPUT_DOUBLE): Always output bits.
4739 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4740 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4741 (extenddftf2, trunctfdf2): New.
4743 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4745 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4746 * config/sparc/sol2.h: ... here.
4748 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4750 * basic-block.h (struct loops): New field `levels'.
4751 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4752 (flow_loop_level_compute): Initialise level to 1.
4753 (flow_loops_find): Set loops->levels.
4754 (flow_loops_dump): Print loops->levels.
4756 2000-01-23 Richard Henderson <rth@cygnus.com>
4758 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4759 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4761 2000-01-23 Richard Henderson <rth@cygnus.com>
4763 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4764 * i386.h (DBX_REGISTER_NUMBER): Use them.
4765 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4766 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4767 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4768 * i386/sequent.h: Kill incorrect comment.
4770 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4772 * ggc-page.c (struct page_entry): Make `context_depth' an
4774 (struct globals): Likewise.
4776 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4778 * loop.c (check_dbra_loop): When checking a loop for
4779 reversability, check the source of any stores to ensure
4780 they don't depend on an initial value.
4782 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4784 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4786 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4788 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4789 'pz_scan' into scope of entire function. Only affects
4790 compiles with -DDEBUG.
4792 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4794 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4795 section naming to that prior to 2000-01-07 patch.
4796 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4797 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4798 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4799 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4800 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4802 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4804 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4807 2000-01-21 Jim Wilson <wilson@cygnus.com>
4809 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4810 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4812 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4814 * cpphash.c (change_newlines): Delete function.
4815 (struct argdata): Delete 'newlines' and 'use_count' fields.
4816 (macroexpand): Remove code referencing those fields.
4818 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4820 * loop.c (loops_info): New variable.
4821 (loop_optimize): Allocate loops->array and free it on exit.
4822 Allocate memory for loops_info and assign to each loop,
4824 (find_and_verify_loops): Do not allocate loops->array.
4826 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4828 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4830 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4832 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4833 pseudos if expanded after first flow.
4834 (movdi_pic_label_ref): Likewise.
4836 2000-01-20 Richard Henderson <rth@cygnus.com>
4838 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4840 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4842 * Makefile.in (fixinc.sh): Depend on specs.
4843 * fixinc/Makefile.in: Add rule to create machname.h.
4844 (fixlib.o): Depend on machname.h.
4845 * fixinc/fixtests.c (machine_name): New test.
4846 * fixinc/fixfixes.c (machine_name): New fix.
4847 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4848 the machine_name test and fix.
4849 * fixinc/fixlib.h: Prototype it.
4850 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4851 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4853 * gcc.c (do_spec_1) [case P]: Take care not to create
4854 identifiers with three leading or trailing underscores.
4856 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4857 (fixincl): Don't specify libraries twice on link line.
4858 (gnu-regex.o): Remove special rule.
4859 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4860 defined by config.h. Do not define _REGEX_RE_COMP.
4861 (regcomp): Allocate and initialize a fastmap.
4862 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4864 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4866 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4868 2000-01-19 Richard Henderson <rth@cygnus.com>
4870 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4871 arguments with BB. Update all callers. Tidy line wrapping.
4873 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4875 * emit-rtl.c (try_split): Return last_insn if we split the
4878 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4880 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4881 (ix86_initial_elimination_offset): Declare.
4882 * i386.c (ix86_nsaved_regs): Break out from ...
4883 (ix86_can_use_return_insn_p): ... here.
4884 (ix86_emit_save_regs): Break out from ...
4885 (ix86_expand_prologue): ... here.
4886 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4888 (ix86_expand_epilogue): ... here.
4889 (ix86_compute_frame_size): Make static, add prototype.
4890 (ix86_initial_elimination_offset): Break out from ...
4891 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4893 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4895 * recog.h (OUT_FCN): Delete.
4897 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4899 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4901 * cppalloc.c: PROTO -> PARAMS.
4902 * cpperror.c: Likewise.
4903 * cppfiles.c: Likewise.
4904 * cpplib.c: Likewise.
4905 * cpplib.h: Likewise.
4907 * config/arm/arm-protos.h: PROTO -> PARAMS.
4908 * config/arm/arm.c: Likewise.
4909 * config/c4x/c4x.c: Likewise.
4910 * config/fr30/fr30-protos.h: Likewise.
4911 * config/nextstep.c: Likewise.
4912 * config/pa/pa.c: Likewise.
4913 * config/pj/pj.c: Likewise.
4914 * config/rs6000/rs6000.c: Likewise.
4915 * config/v850/v850-protos.h: Likewise.
4916 * config/v850/v850.c: Likewise.
4918 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4920 * i370-protos.h: New file.
4922 * i370.c: Include tm_p.h. Fix compile time warnings.
4924 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4927 * i370.md: Likewise.
4929 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4931 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4932 (target_isinf, target_isnan, eisnan): Mark parameter with
4934 (eiisinf): Wrap in INFINITY.
4935 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4936 (ibmtoe): Remove unused variable `rndsav'.
4938 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4940 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4941 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4943 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4945 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4946 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4947 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4949 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4950 Recognize Emacs mode markers also.
4951 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4952 C++ comments in C++ headers. Call is_cxx_header only if
4955 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4957 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4958 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4959 ... these, which use the new C fixes.
4960 (math_exception): Escape literal '+' in bypass expression.
4962 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4965 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4967 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4970 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4972 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4973 prior to calling scan_loop.
4975 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4977 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4978 (split_branches, calc_live_regs): Likewise.
4980 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4982 * sh.md (fpu_single, fp_mode): New attributes.
4984 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4986 * loop.c (current_loop_info): Renamed from loop_info_data
4987 and changed to a pointer.
4988 (loop_optimize): Allocate loop_info structure for each loop
4989 and initialise to zero.
4990 (scan_loop): Set current_loop_info.
4992 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4995 2000-01-19 Richard Henderson <rth@cygnus.com>
4997 * stupid.c: Die die die.
4998 * Makefile.in (OBJS): Remove stupid.o.
4999 (stupid.o): Likewise.
5001 * except.c (emit_eh_context): Don't emit USEs for stupid.
5002 * explow.c (probe_stack_range): Likewise.
5003 * flags.h (obey_regdecls): Remove.
5004 * flow.c (find_basic_blocks): Don't run try_merge_blocks
5005 when not optimizing.
5006 (life_analysis): Limit data collection when not optimizing.
5007 (mark_regs_live_at_end): Always mark the return value registers.
5008 (mark_used_regs): Remove dummy RETURN case.
5009 (print_rtl_with_bb): Don't consult obey_regdecls.
5010 * function.c (use_variable, use_variable_after): Remove.
5011 (assign_parms): Consult optimize not obey_regdecls.
5012 (expand_function_start): Don't emit USEs for stupid.
5013 (expand_function_end): Likewise.
5014 * global.c (build_insn_chain): Export.
5015 * integrate.c (expand_inline_function): Kill return-value USE
5017 * jump.c (jump_optimize_1): Do simple jump optimizations and
5018 dead code elimination.
5019 (calculate_can_reach_end): Remove check_deleted argument.
5020 (delete_insn): Patch out insns even when not optimizing.
5021 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
5022 * rtl.h (use_variable, use_variable_after): Remove declarations.
5023 (build_insn_chain): Declare.
5024 * stmt.c (expand_value_return): Don't emit USEs for stupid.
5025 (expand_end_bindings): Likewise.
5026 (expand_decl): Likewise. Consult optimize not obey_regdecls.
5027 * toplev.c (obey_regdecls): Remove.
5028 (rest_of_compilation): Don't set it. Kill stupid in favour of
5029 flow1, local-alloc, and reload.
5030 (main): Don't set obey_regdecls.
5032 * config/nextstep.c (handle_pragma): Likewise.
5034 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
5036 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
5038 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5040 * alpha-protos.h: PROTO -> PARAMS.
5041 * alpha.c: Likewise.
5043 * h8300.c: Likewise.
5044 * i386-protos.h: Likewise.
5046 * m32r-protos.h: Likewise.
5049 * mips.md: Likewise.
5050 * gmon-sol2.c: Likewise.
5051 * sparc.c: Likewise.
5053 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5055 * ns32k-protos.h: New file.
5057 * ns32k.c: Fix compile time warnings.
5059 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
5062 * ns32k.md: Likewise.
5064 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5066 * vax-protos.h: New file.
5068 * vax.c: Fix compile time warnings.
5070 * vax.h: Move prototypes to vax-protos.h. Fix compile time
5075 * vaxv.md: Likewise.
5077 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5079 * romp-protos.h: New file.
5081 * romp.c: Fix compile time warnings.
5083 * romp.h: Move prototypes to romp-protos.h. Fix compile time
5086 * romp.md: Likewise.
5088 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5090 * we32k-protos.h: New file.
5092 * we32k.c: Fix compile time warnings.
5094 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
5097 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
5101 * except.c (eh_regs): Likewise.
5103 * final.c (output_operand): Likewise.
5105 * fold-const.c (target_isinf, target_isnan): Likewise.
5107 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5109 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
5110 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
5112 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
5114 (clrstrsi): Rewrite.
5115 (strsethi, strsetqi): New expanders.
5116 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
5117 (cmpstrsi): Emit compare insn before cmpstrsi_1
5118 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
5119 (strlensi_1): Likewise.
5120 (cmpstrsi_1): Likewise; do not output compare.
5121 (strlen expander): Do not unroll when optimizing for size.
5122 (*subsi3_carry): Rename to subsi3_carry
5123 (addqi3_cc): New pattern.
5124 * i386.h (processor_costs): Add move_ratio field.
5125 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
5126 * i386.c (*_cost): Set move_ratio.
5127 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
5128 (x86_expand_strlensi_1): Rewrite the main loop.
5130 2000-01-17 Richard Henderson <rth@cygnus.com>
5132 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
5133 * cse.c (find_comparison_args, fold_rtx): Likewise.
5134 * integrate.c (subst_constants): Likewise.
5135 * loop.c (get_condition): Likewise.
5137 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
5139 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
5141 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5143 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
5144 (RESTORE_WARN_FLAGS): Unpack it.
5145 Change semantic type of extension to ttype.
5146 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
5147 * c-parse.y, c-parse.c, objc/objc-parse.y,
5148 objc/objc-parse.c: Regenerate.
5150 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
5152 * fixinc/fixlib.c: Add copyright notice.
5153 (compile_re): New function.
5154 * fixinc/fixlib.h: Prototype compile_re.
5156 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
5157 Use compile_re to compile regular expressions.
5159 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
5160 where the pattern matched.
5162 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
5164 (ultrix_ansi_compat): Likewise.
5165 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
5167 (interactv_add2, interactv_add3): Delete.
5168 (x11_sprintf): Don't use filename glob.
5169 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
5172 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5174 * print-rtl.c: PROTO -> PARAMS.
5176 * reg-stack.c: Likewise.
5177 * resource.c: Likewise.
5178 * sdbout.h: Likewise.
5179 * simplify-rtx.c: Likewise.
5180 * stor-layout.c: Likewise.
5181 * stupid.c: Likewise.
5182 * xcoffout.c: Likewise.
5183 * xcoffout.h: Likewise.
5185 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5187 * toplev.c: PROTO -> PARAMS.
5188 * toplev.h: Likewise.
5191 * unroll.c: Likewise.
5192 * varasm.c: Likewise.
5193 * varray.c: Likewise.
5194 * varray.h: Likewise.
5196 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5198 * reload.c: PROTO -> PARAMS.
5199 * reload.h: Likewise.
5200 * reload1.c: Likewise.
5201 * reorg.c: Likewise.
5202 * resource.h: Likewise.
5205 * rtlanal.c: Likewise.
5206 * sbitmap.h: Likewise.
5207 * sdbout.c: Likewise.
5208 * stack.h: Likewise.
5210 * system.h: Likewise.
5212 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5214 * machmode.h: PROTO -> PARAMS.
5215 * mbchar.h: Likewise.
5216 * mips-tdump.c: Likewise.
5217 * mips-tfile.c: Likewise.
5218 * optabs.c: Likewise.
5219 * output.h: Likewise.
5220 * prefix.c: Likewise.
5221 * profile.c: Likewise.
5222 * protoize.c: Likewise.
5224 * recog.c: Likewise.
5225 * recog.h: Likewise.
5226 * regclass.c: Likewise.
5227 * regmove.c: Likewise.
5230 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5232 * ggc-common.c: PROTO -> PARAMS.
5233 * ggc-page.c: Likewise.
5234 * ggc-simple.c: Likewise.
5236 * global.c: Likewise.
5237 * graph.c: Likewise.
5238 * gthr-win32.h: Likewise.
5239 * haifa-sched.c: Likewise.
5240 * halfpic.h: Likewise.
5241 * integrate.c: Likewise.
5242 * integrate.h: Likewise.
5245 * local-alloc.c: Likewise.
5249 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5251 * genattr.c: PROTO -> PARAMS.
5252 * genattrtab.c: Likewise.
5253 * gencheck.c: Likewise.
5254 * gencodes.c: Likewise.
5255 * genconfig.c: Likewise.
5256 * genemit.c: Likewise.
5257 * genextract.c: Likewise.
5258 * genflags.c: Likewise.
5259 * gengenrtl.c: Likewise.
5260 * genopinit.c: Likewise.
5261 * genoutput.c: Likewise.
5262 * genpeep.c: Likewise.
5263 * genrecog.c: Likewise.
5265 2000-01-16 Mark Mitchell <mark@codesourcery.com>
5267 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
5269 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5271 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
5272 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
5273 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
5274 * configure, config.in: Rebuilt.
5276 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
5278 * config/i386/i386.md: Add peephole to merge successive stack
5281 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
5283 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
5284 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
5285 when walking backwards to find all the parameter loads when
5286 the basic block ends in a call.
5288 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5290 * loop.c (this_loop_info): Delete.
5291 (uid_loop): Add in place of uid_loop_num. All uses updated.
5292 (loop_number_exit_count): Delete and replace with entry in loop
5293 structure. All uses updated.
5294 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5295 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5296 (loop_outer_loop): Likewise.
5297 (loop_invalid, loop_number_exit_labels): Likewise.
5298 (loop_used_count_register): Delete and replace with entry in
5299 loop_info structure.
5300 (find_and_verify_loops): Add loops argument.
5301 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
5302 loop_end, etc. arguments with loop structure pointer. All callers
5304 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
5305 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
5306 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
5307 (insert_bct): Likewise.
5308 (basic_induction_var): New argument level.
5309 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
5310 vtop, and cont. Add used_count_register.
5311 (uid_loop): Delete declaration.
5312 (loop_number_exit_count): Likewise.
5313 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5314 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5315 (loop_outer_loop, loop_used_count_register): Likewise.
5316 (loop_invalid, loop_number_exit_labels): Likewise.
5317 (unroll_loop): Replace loop_start and loop_end arguments
5318 with loop structure pointer.
5319 (loop_precondition_p, loop_iterations): Likewise.
5320 Include basic-block.h.
5321 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5322 with loop structure pointer.
5323 (loop_precondition_p, loop_iterations): Likewise.
5324 * basic-block.h (struct loop): New entries vtop, cont,
5325 cont_dominator, start, end, top, scan_start, exit_labels,
5327 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5329 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5331 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5333 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5335 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5337 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5339 * pdp11-protos.h: New file.
5341 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5344 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5347 * pdp11.md: Likewise.
5351 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5353 * mn10300-protos.h: New file.
5355 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5358 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5361 * mn10300.md: Likewise.
5363 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5365 * mn10200-protos.h: New file.
5367 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5370 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5373 * mn10200.md: Likewise.
5375 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5377 * h8300-protos.h: New file.
5379 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5382 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5385 * h8300.md: Likewise.
5387 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5389 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5390 (asm_emit_uninitialised): Likewise.
5392 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5394 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5395 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5397 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5399 * config/mips/mips.c (override_options): Don't turn on extra
5400 alignment for mips16.
5402 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5404 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5405 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5408 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5410 * builtins.c (PAD_VARARGS_DOWN): Define.
5411 (std_expand_builtin_va_arg): Use the above macro.
5412 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5413 * tm.texi (Register Arguments): Document the above macro.
5415 2000-01-14 Nick Clifton <nickc@cygnus.com>
5417 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5418 that this function has not been used to emit a jump
5421 * jump.c (return_jump_1): Cope with being passed a null rtx.
5423 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * eh-common.h: PROTO -> PARAMS.
5426 * emit-rtl.c: Likewise.
5427 * errors.c: Likewise.
5428 * errors.h: Likewise.
5429 * except.c: Likewise.
5430 * except.h: Likewise.
5431 * explow.c: Likewise.
5432 * expmed.c: Likewise.
5435 * final.c: Likewise.
5436 * fix-header.c: Likewise.
5438 * fold-const.c: Likewise.
5439 * function.c: Likewise.
5440 * function.h: Likewise.
5442 * gcov-io.h: Likewise.
5446 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5448 * sh-protos.h: New file.
5450 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5451 Add static prototypes. Fix compile time warnings.
5453 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5457 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5459 * arc-protos.h: New file.
5461 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5464 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5469 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5471 * dsp16xx-protos.h: New file.
5473 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5476 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5479 * dsp16xx.md: Likewise.
5481 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5483 * convex-protos.h: New file.
5485 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5488 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5491 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5493 * elxsi-protos.h: New file.
5495 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5498 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5501 * elxsi.md: Likewise.
5503 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5505 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5506 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5507 match the comment for MIPS16.
5509 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5511 * flow.c (split_edge): Do not call set_block_for_insn if we
5512 do not have a basic_block_for_insn structure.
5514 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5515 and destination functions are 32bit aligned within the trampoline.
5516 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5517 (TRAMPOLINE_ALIGNMENT): Define.
5519 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5520 (set (pc) (label_ref)), verify the change creates a valid insn.
5522 * fr30.c (call_operand): Tighten and rework to match rules for
5523 call RTL expressions.
5524 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5525 * fr30.md (call patterns): Improve constraints.
5527 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5529 * fr30.c (fr30_expand_epilogue): Revert last change.
5530 Use emit_jump_insn for the return insn.
5532 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5533 Stan Cox <scox@cygnus.com>
5535 * predict.c: New file. Preliminary infrastructure work for static
5536 branch prediction and basic block reordering.
5537 * basic-block.h: Add prototype for estimate_probability.
5538 * Makefile.in: Add rules for predict.o.
5540 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5542 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5543 * fixinc/*: Likewise.
5545 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5547 * cccp.c: PROTO -> PARAMS.
5549 * collect2.c: Likewise.
5550 * combine.c: Likewise.
5551 * convert.h: Likewise.
5553 * dbxout.c: Likewise.
5554 * dbxout.h: Likewise.
5555 * diagnostic.c: Likewise.
5556 * doprint.c: Likewise.
5557 * dwarf2out.c: Likewise.
5558 * dwarf2out.h: Likewise.
5559 * dwarfout.c: Likewise.
5560 * dwarfout.h: Likewise.
5561 * dyn-string.h: Likewise.
5563 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5565 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5566 macro conditionals guarding use.
5568 * dwarf2out.c: Include "tm_p.h".
5570 * function.c (locate_and_pad_parm): Mark parameter with
5572 (expand_function_end): Likewise for variable `context'.
5574 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5576 2000-01-13 Nick Clifton <nickc@cygnus.com>
5578 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5579 register to prevent compile time warnings.
5581 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5583 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5584 to avoid -Wtraditional warning.
5586 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * 1750a-protos.h: New file.
5590 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5593 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5596 * 1750a.md: Likewise.
5598 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5600 * a29k-protos.h: New file.
5602 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5605 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5608 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5610 * clipper-protos.h: New file.
5612 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5615 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5618 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5620 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5622 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5624 * configure.in (--enable-new-gxx-abi): New option.
5625 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5626 * Makefile.in (GXX_ABI_FLAG): New variable.
5627 * configure: Regenerate.
5629 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5631 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5632 * tm.texi (FORCE_STRUCT_BLK): Document.
5633 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5635 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5637 * config/ns32k/ns32k.md: Revert Jan 9 change.
5639 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5640 to a mode-test, if the predicate is address_operand.
5642 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5644 * combine.c (if_then_else_cond): Be careful about what kinds
5645 of RTL expressions are passed to operand_subword.
5647 * flow.c (split_edge): If we have to insert a new jump, make
5648 sure to associate it with a basic block.
5650 * flow.c (commit_one_edge_insertion): A block with one successor
5651 can end in a JUMP_INSN that is not a simplejump.
5653 2000-01-12 Robert Lipe <robertl@sco.com>
5655 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5656 (BUILD_VA_LIST_TYPE): Define.
5657 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5660 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5662 * cccp.c (do_pragma): Add cast to (char *).
5664 2000-01-12 Richard Henderson <rth@cygnus.com>
5665 Fred Fish <fnf@be.com>
5666 Jason Merrill <jason@cygnus.com>
5668 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5669 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5670 * i386/beos-elf.h, i386/beos-pe.h: New files.
5672 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5673 * cross-make (SYSTEM_HEADER_DIR): Define using
5674 CROSS_SYSTEM_HEADER_DIR.
5676 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5677 (process_command): Use it.
5678 (main): Likewise. Kill trailing = from env vars.
5679 (build_search_list): Put it back.
5680 * collect2.c (main): Use LIBRARY_PATH_ENV.
5682 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5683 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5685 * tm.texi (Frame Layout): Document SMALL_STACK.
5686 * c-common.c (c_common_nodes_and_builtins): Check it.
5688 * system.h: Undef alloca after including glibc's <stdlib.h>,
5689 if USE_C_ALLOCA is defined.
5691 * gcc.c (set_input): New fn.
5692 (main): After all input files are compiled, reset the input file
5695 * aclocal.m4 (rindex, index): If already defined, don't attempt
5698 * ginclude/varargs.h: (__va_list__): Define ifndef.
5699 * ginclude/stdarg.h: Likewise.
5701 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5702 instead of unsigned char.
5704 * hash.h (true, false, boolean): Undef before enum.
5706 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5707 proper type of "HOST_WIDE_INT *", rather than their natural type of
5708 "unsigned HOST_WIDE_INT *".
5710 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5712 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5714 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5716 * regclass.c (choose_hard_reg_mode): Likewise.
5718 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5720 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5722 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5724 * c-common.c: PROTO -> PARAMS.
5725 * c-common.h: Likewise.
5726 * c-decl.c: Likewise.
5727 * c-iterate.c: Likewise.
5728 * c-lang.c: Likewise.
5729 * c-lex.c: Likewise.
5730 * c-lex.h: Likewise.
5731 * c-parse.in: Likewise.
5732 * c-pragma.c: Likewise.
5733 * c-pragma.h: Likewise.
5734 * c-tree.h: Likewise.
5735 * c-typeck.c: Likewise.
5736 * objc/objc-act.c: Likewise.
5737 * objc/objc-act.h: Likewise.
5739 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5741 * m88k-protos.h: New file.
5743 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5746 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5748 * m88k.md: Likewise.
5750 * tekXD88.h: Likewise.
5752 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5754 * m68k-protos.h: New file.
5756 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5759 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5761 * mot3300.h: Likewise.
5763 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5765 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5767 (extract_bitlist): Declare bitlen.
5769 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5771 * cccp.c: Accept and ignore -lang-fortran.
5773 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5774 qualifiers don't match at any level of pointerness.
5776 2000-01-12 Robert Lipe <robertl@sco.com>
5778 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5780 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5782 * reload1.c (reload_reg_unavailable): New static variable.
5783 (reload_reg_free_p): Test it.
5784 (reload_reg_free_for_value_p): Test it instead of
5786 (choose_reload_regs_init): Compute it.
5788 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5790 * reorg.c (fill_slots_from_thread): Check modified_in_p
5793 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5795 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5796 these nodes even if INTERNALS is not set.
5798 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5800 * gcse.c (delete_null_pointer_checks_1): Cope when
5801 get_condition cannot determine the condition.
5803 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5805 * toplev.h (set_message_length): Declare.
5807 * diagnostic.c (obstack_chunk_alloc): Define macro.
5808 (obstack_chunk_free): Likewise.
5809 (struct output_buffer): New data structure.
5811 (output_maximum_width): New variable.
5812 (doing_line_wrapping, set_message_length, init_output_buffer,
5813 get_output_prefix, output_space_left, emit_output_prefix,
5814 output_newline, output_append, output_puts, dump_output,
5815 vbuild_message_string, build_message_string, build_location_prefix,
5816 voutput_notice, output_printf, line_wrapper_printf,
5817 vline_wrapper_message_with_location): New functions. Implement
5818 automatic line wrapping.
5819 (v_message_with_decl): Make it handle automatic line wrapping.
5820 (v_error_with_file_and_line): Likewise.
5821 (v_warning_with_file_and_line): Likewise.
5822 (announce_function): Likewise.
5823 (default_print_error_function): Likewise.
5825 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5827 * cpplib.h (struct cpp_options): Change lang_asm to char.
5829 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5830 done in cpp_handle_option now.
5831 (initialize_builtins): Take out special case code used only by
5833 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5834 if -traditional. Recognize -lang-fortran and set
5835 lang_fortran, also turn off cplusplus_comments.
5836 (print_help): Document -lang-fortran.
5837 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5838 lang_asm. Ignore all directives other than `# 123 "file"' if
5840 (cpp_get_token): If -traditional, don't recognize directives
5841 unless the # is in column 1.
5842 (parse_string): If lang_fortran or lang_asm, silently
5843 terminate strings ('' or "") at end of line.
5844 Remove unnecessary braces.
5846 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5847 Richard Henderson <rth@cygnus.com>
5849 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5851 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5852 strict_low_part when possible.
5854 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5856 * alias.c: PROTO -> PARAMS.
5857 * basic-block.h: Likewise.
5858 * bitmap.c: Likewise.
5859 * bitmap.h: Likewise.
5860 * builtins.c: Likewise.
5861 * c-aux-info.c: Likewise.
5862 * caller-save.c: Likewise.
5863 * calls.c: Likewise.
5865 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * Makefile.in (toplev.o): Depend on regs.h.
5869 * output.h (tdesc_section): Prototype.
5871 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5873 * sdbout.c: Include "tm_p.h".
5875 * toplev.c: Include "regs.h".
5877 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5879 * unroll.c (unroll_loop): Add EH support.
5881 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5883 * pa-protos.h: New file.
5885 * pa.c: Include recog.h and tm_p.h.
5886 (compute_zdepwi_operands, compute_movstrsi_length,
5887 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5888 find_addr_reg, import_milli): Add static prototypes.
5889 (pa_cpu_string, pa_arch_string): Constify a char*.
5890 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5891 (read_only_operand): Add argument `mode'.
5892 (singlemove_string, output_move_double, output_fp_move_double,
5893 output_block_move, output_and, output_ior, output_ascii,
5894 remove_useless_addtr_insns, milli_names, output_mul_insn,
5895 output_div_insn, output_mod_insn, output_arg_descriptor,
5896 output_cbranch, output_bb, output_bvb, output_dbra, ,
5897 output_millicode_call, output_call, hppa_encode_label,
5898 output_parallel_movb, output_parallel_addb): Constify a char*.
5899 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5900 (output_parallel_addb): Remove extra arg to `constrain_operands'
5902 * pa.h: Move all prototypes to pa-protos.h.
5903 (pa_cpu_string, pa_arch_string): Constify a char*.
5904 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5906 * pa.md: Call `function_label_operand' with mode argument.
5907 Likewise for `read_only_operand'.
5908 Fix nesting of parens in call to `symbolic_operand'.
5910 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5912 * i860-protos.h: New file.
5914 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5917 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5919 * i860.md: Likewise.
5921 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5923 * i386.md (movstrsi expander): Rewrite.
5924 (movstrsi_1 insn): Deleted.
5925 (strmovhi, strmovqi expander): New expanders.
5926 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5927 * i386.c (x86_single_stringop): New global variable.
5928 * i386.h (x86_single_stringop): Declare.
5929 (TARGET_SINGLE_STRINGOP): New macro.
5931 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5933 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5934 integer vararg POSTINCREMENT before the destination of the jump
5935 for the hard fp case.
5936 (function_arg_pass_by_reference): Pass a copy of CUM to
5939 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5940 for CONSTANT_ADDRESS_P above while loop for subreg.
5942 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5944 * flow.c (propagate_block): When a prologue/epilogue insn
5945 is marked dead, unconditionally clear libcall_is_dead and
5946 insn_is_dead, and only dump rtl if warnings aren't being
5949 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5951 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5952 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5953 (FIXED_REGISTERS): Set dirflag as fixed.
5954 (CALL_USED_REGISTERS): Set dirflag as used.
5955 (REG_ALLOC_ORDER): Set dirflag as last one.
5956 (DIRFLAG_REG): New macro.
5957 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5958 (HI_REGISTER_NAMES): Add dirflag.
5959 (DEBUF_PRINT_REG): Handle dirflag.
5960 * i386.md (type attribute): New cld and str types.
5961 (length_opcode attribute): Set cld and str to 1.
5962 (memory attribute): Set str to unknown - it is not clear from the
5964 (pent_np function unit): Prefixed string operations takes 12 cycles
5965 minimally; cld takes 2 cycles.
5966 (ppro_uops attribute): Str is "many" and cld is "few".
5967 (ppro_p0 unit): Handle cld here.
5968 (k6_alux unit): Handle cld and str types.
5969 (k6_load unit): It is ocupied by str opcodes.
5970 (k6_store unit): It is ocupied by str opcodes.
5971 (athlon_decode): Str is vector decoded.
5972 (athlon_ieu): Handle str and cld.
5974 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5975 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5976 cmpstrsi_nz_1 insn): Do not output cld instruction
5978 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5980 * gcc.texi (G++ and GCC): Add Java and Chill.
5981 (Bug Critera): Don't list languages.
5983 * gcc.texi (Incompatibilities): No longer claim most C compilers
5986 * gcc.texi (G++ and GCC): Update other front-ends list.
5988 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5990 * i386.c (ix86_expand_setcc): Fix typo.
5991 (ix86_expand_movcc): Similarly.
5993 * Band-aid until haifa's bitset implementation is nuked.
5994 * haifa-sched.c (extract_bitlst): New parameter for size of the
5995 bitset in bits. All callers changed. Avoid looking at undefined
5997 (edgeset_bitsize): New variable.
5998 (schedule_region): Initialize edgeset_bitsize.
6000 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6002 * Makefile.in (optabs.o): Depend on real.h
6003 (resource.o): Depend on insn-attr.h
6005 * builtins.c (result_vector): Wrap prototype in macro conditions
6006 governing definition and use.
6008 * c-common.c: Include tm_p.h.
6010 * c-lex.c: Likewise.
6012 * elfos.h: Constify a char*.
6014 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
6015 (get_attr_length, shorten_branches, profile_after_prologue): Mark
6016 parameter with ATTRIBUTE_UNUSED.
6018 * fold-const.c (exact_real_inverse): Wrap variable `i' in
6021 * haifa-sched.c (schedule_insns): Mark parameter with
6024 * optabs.c: Include real.h.
6026 * real.h (ereal_atof): Add prototype arguments.
6028 * resource.c: Include insn-attr.h.
6030 * sdbout.c (sdbout_queue_anonymous_type,
6031 sdbout_dequeue_anonymous_types): Wrap in macro
6032 SDB_ALLOW_FORWARD_REFERENCES.
6033 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
6036 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
6038 * stupid.c: Include tm_p.h.
6040 * tree.c (real_value_from_int_cst): Mark parameter with
6043 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6045 * i960-protos.h: New file.
6047 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
6050 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
6052 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6054 * combine.c (expand_field_assignment): Do not discard SUBREGs
6055 while computing nonzero_bits.
6057 2000-01-09 Nick Clifton <nickc@cygnus.com>
6059 * config/arm/arm.c: Fix compile time warnings about signed vs
6061 * config/arm/arm.h: Fix compile time warnings about signed vs
6064 2000-01-09 Philip Blundell <philb@gnu.org>
6066 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
6067 than `ldm' with only one register.
6068 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
6071 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
6074 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
6076 * config/ns32k/ns32k.md (load or push effective address): Operand 1
6079 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6081 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6082 assignment used as truth value.
6084 * function.c (assign_temp): Mark parameter `dont_promote' with
6085 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
6086 PROMOTE_FOR_CALL_ONLY.
6088 * genrecog.c (write_subroutine): Mark variable `operands' with
6091 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
6094 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
6095 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
6097 * toplev.c (note_deferral_of_defined_inline_function): Likewise
6100 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6102 * config/c4x.h: Tidy up comments.
6103 * config/c4x.c: Likewise.
6105 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
6107 * fold-const.c (lshift_double, rshift_double): Handle
6108 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
6110 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6112 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
6113 in prepare_function_start().
6115 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
6117 * config/v850/v850.c (expand_epilogue): Interrupt functions no
6118 longer allocate extra stack for function calls.
6120 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6122 * config/c4x/c4x.md (*subqf3_set): Fix typo.
6124 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6126 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
6128 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6130 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6131 * aix43.h: Revert Aug 2 change.
6132 (HAS_INIT_SECTION): Define, not visible yet.
6133 (LD_INIT_SWITCH): Define, not visible yet.
6134 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6136 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
6138 * collect2.c (main): Expand ld2 size further.
6139 (export_object_lst): Cast assignment to avoid warning.
6140 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
6141 (scan_prog_file, COFF): Do not collect initialization or
6142 finalization functions generated for entire shared object if
6143 init/fini support present.
6145 2000-01-07 Nick Clifton <nickc@cygnus.com>
6147 * config/elfos.h: Tidy up formatting of marcos. Make sure
6148 that .section directives are always prefixed by a tab.
6150 * config/svr4.h: Add #include "elfos.h" and remove duplicate
6153 2000-01-07 Matt Austern <austern@sgi.com>
6155 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
6158 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
6160 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
6162 (crtbegin.o, s-crtS): Likewise.
6164 2000-01-06 Richard Henderson <rth@cygnus.com>
6166 * alpha.md (adddi_2+1): Limit offset such that it will be
6167 loadable with a single ldah+lda pair.
6168 (adddi_2+2): Explicitly fail split if we can't make it work.
6170 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
6172 * protoize.c: Conditionally include unistd.h.
6173 (IS_SAME_PATH_CHAR): New macro.
6174 (IS_SAME_PATH): New macro.
6175 (CPLUS_FILE_SUFFIX): New macro.
6176 (cplus_suffix): New static variable.
6177 (is_abspath): New static function.
6178 (in_system_include_dir): Handle DOS style pathnames.
6179 (file_could_be_converted): Likewise.
6180 (file_normally_convertible): Likewise.
6181 (directory_specified_p): Likewise.
6182 (file_excluded_p): Likewise.
6183 (abspath): Likewise.
6184 (shortpath): Likewise.
6185 (referenced_file_is_newer): Likewise.
6186 (save_def_or_dec): Likewise.
6187 (do_processing): Likewise.
6189 (edit_file): Likewise. Use rename instead of link.
6190 (rename_c_file): Likewise. Don't rename syscalls file.
6191 (munge_compile_params): Define null device for DOS based systems.
6192 (process_aux_info_file): Use binary mode if appliable.
6193 (edit_file): Likewise.
6194 * invoke.texi (Running Protoize): Document C++ suffixes used.
6196 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
6197 IS_DIR_SEPARATOR macros.
6198 * collect2.c: Likewise.
6199 * cppinit.c: Likewise.
6200 * dwarf2out.c: Likewise.
6203 * prefix.c: Likewise.
6205 * toplev.c: Likewise.
6206 * system.h: And move to here.
6208 * prefix.c (update_path): Fix typo in variable name.
6210 2000-01-06 Richard Henderson <rth@cygnus.com>
6212 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
6213 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
6214 (count_reg_sets_1, count_reg_references): Likewise.
6215 (flow_loops_level_compute): Start counting actual loop depth at 1.
6216 (flow_loops_find): Likewise.
6217 * local-alloc.c (update_equiv_regs): Likewise.
6218 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
6220 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6222 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
6223 FIRST_PSEUDO_REGISTER
6224 * dwarf2out.c: Don't include frame.h
6225 * dwarfout.c: Likewise
6226 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
6229 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
6231 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6234 * i386.c (movsf splitter): Fix typo in my last checkin.
6236 2000-01-05 Nick Clifton <nickc@cygnus.com>
6238 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
6239 own definition of this macro.
6240 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
6241 flag_data_sections or UNIQUE_SECTION_P are true.
6243 * tm.texi (UNIQUE_SECTION): Document that it can be called for
6244 unitialised data decls.
6246 * config/i386/winnt.c (i386_pe_unique_section): Cope with
6247 being called for uninitialised data.
6249 * config/i386/interix.c (i386_pe_unique_section): Cope with
6250 being called for uninitialised data.
6252 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
6253 for uninitialised data.
6255 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
6256 for uninitialised data.
6258 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
6259 for uninitialised data.
6261 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
6262 (UNIQUE_SECTION_P): Always generate a unique section if
6263 flag_data_sections is true.
6264 (UNIQUE_SECTION): Also generate unique sections for
6266 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
6267 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
6270 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6272 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
6275 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6277 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
6278 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
6279 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
6280 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
6281 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
6283 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
6285 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6287 * c-decl.c (finish_enum): Simplify code to determine minimum and
6288 maximum values of the enum, and calculate the type. Remove check
6289 for FUNCTION_DECLs in the values list, which cannot happen. Replace
6290 the DECL_INITIAL of each enumeration constant with a copy converted
6291 to the enumeration type. When updating variant types, don't bother
6292 updating the type itself.
6294 * c-typeck.c (build_binary_op): Simplify conditional expressions
6295 when weeding out spurious signed-unsigned warnings. Add new
6296 spurious warning category: if the unsigned quantity is an enum
6297 and its maximum value fits in signed_type(result_type). Update
6299 (build_conditional_expr): Warn here if one alternative is signed
6300 and the other is unsigned.
6302 2000-01-05 Nick Clifton <nickc@cygnus.com>
6304 * config/fr30/fr30.h: Remove extraneous comments.
6306 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
6308 * reload1.c (choose_reload_regs): When disabling a reload, also
6309 set reload_spill_index to -1.
6311 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6313 * configure.in (m68*-*-rtemscoff*): New target, formal name for
6315 (m68*-*-rtemself*): New target.
6316 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6317 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6318 (sparc*-*-rtemself*): New target.
6319 (sparc*-*-rtems*): Now elf not a.out.
6320 * config/i386/rtems.h: Include config/rtems.h.
6321 * config/i386/rtemself.h: Include config/rtems.h.
6322 * config/i960/rtems.h: Include config/rtems.h.
6323 * config/m68k/rtems.h: Include config/rtems.h.
6324 * config/m68k/rtemself.h: Include config/rtems.h.
6325 * config/mips/rtems64.h: Include config/rtems.h.
6326 * config/pa/rtems.h: Include config/rtems.h.
6327 * config/rs6000/rtems.h: Include config/rtems.h.
6328 * config/sh/rtems.h: Include config/rtems.h.
6329 * config/sh/rtemself.h: Include config/rtems.h.
6330 * config/sparc/rtems.h: Include config/rtems.h.
6331 * config/sparc/rtemself.h: Include config/rtems.h
6333 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6335 * final.c (shorten_branches): Correctly compute length of
6336 asms without operands.
6338 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6340 * configure.in: Add pj target.
6341 * configure: Regenerate.
6342 * config/pj: New directory.
6343 * config/pj/lib1funcs.S: New file.
6344 * config/pj/linux.h: New file.
6345 * config/pj/pj.c: New file.
6346 * config/pj/pj.md: New file.
6347 * config/pj/pjl.h: New file.
6348 * config/pj/t-pj: New file.
6349 * config/pj/xm-pj.h: New file
6351 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6353 * toplev.c (rest_of_compilation): Run shorten-branches before
6356 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6358 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6359 macros so that they're consistent with their names.
6360 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6361 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6363 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6365 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6366 modified inadvertently.
6368 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6370 * configure.in (v850*-*-rtems*): New target.
6371 * configure: Regenerate.
6372 * config/v850/rtems.h: New file.
6374 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6376 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6377 (__gthread_key_create): Likewise.
6378 (__gthread_key_dtor): Likewise.
6379 (__gthread_once): Fix logic.
6380 (__gthread_key_delete): Cast away constness.
6382 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6383 * invoke.texi: Document.
6384 * i386/mingw32.h (CPP_SPEC): Use.
6385 (LIBGCC_SPEC): Likewise.
6386 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6388 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6390 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6391 (HANDLE_PRAGMA_PACK): Undefine.
6392 (SLOW_UNALIGNED_ACCESS): Define.
6394 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6396 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6397 to default definition.
6398 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6399 (store_fixed_bit_field): Call macro with word_mode and alignment.
6400 (extract_bit_field): Call macro with relevant mode and alignment.
6401 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6402 to default definition.
6403 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6405 (move_by_pieces_ninsns): Likewise.
6406 (clear_by_pieces): Likewise.
6407 (emit_push_insn): Likewise.
6408 (store_field): Call macro with relevant mode and alignment.
6409 (expand_expr): Likewise.
6410 (expand_expr_unaligned): Likewise.
6412 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6413 (SLOW_UNALIGNED_ACCESS): Define.
6414 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6415 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6416 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6417 (toc_section): Likewise and .toc pseudo-op.
6418 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6420 (TEXT_SECTION_ASM_OP): Likewise.
6421 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6424 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6425 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6426 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6427 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6428 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6430 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6432 * regclass.c: Revert my Jan 4 change to loop cost computation.
6434 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6436 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6439 2000-01-04 Stan Cox <scox@cygnus.com>
6441 * haifa-sched.c (build_control_flow): Change unreachable simple
6442 loop test to check if current block has only one predecessor.
6443 (find_rgns): Initialize degree. Use dest as degree index, not src.
6445 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6447 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6449 * calls.c (expand_call): Likewise for
6450 `old_stack_arg_under_construction'.
6452 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6454 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6457 * gcc.c (execute): Likewise for `ut' and `st'.
6459 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6461 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6463 * jump.c (jump_optimize_1): Likewise for `temp2'.
6465 * local-alloc.c (block_alloc): Likewise for `r1'.
6467 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6469 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6470 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6472 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6475 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6476 and `goal_earlyclobber'.
6478 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6480 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6482 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6484 * unroll.c (copy_loop_body): Likewise for `copy'.
6486 * varasm.c (output_constructor): Likewise for `byte'.
6488 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6490 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6491 all FP constants for constant->reg moves.
6492 (ix86_split_to_parts): Try to convert memory address into immediate
6493 when available in the constant pool.
6494 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6496 (LEGITIMATE_CONSTANT_P): Return 1.
6497 * i386.md (pushsf): New splitter to convert constant pool memory
6498 reference to immediate.
6499 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6502 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6504 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6505 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6506 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6507 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6508 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6510 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6512 * ginclude/stdbool.h: Support compilation as C++.
6514 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6516 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6518 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6520 * regclass.c (regclass): Properly compute loop_cost. Adjust
6523 * regclass.c: Fix minor whitespace problems.
6525 2000-01-03 Anthony Green <green@cygnus.com>
6527 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6528 Restore the pic register if required.
6530 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6532 * c-common.c (format_char_info): Update comment.
6533 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6534 was recognized. Emit warning for formats new in ISO C99 only
6535 if flag_isoc9x is not set.
6537 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6539 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6541 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6543 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6544 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6545 (make_compound_operation): Choose cheaper alternative between
6546 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6548 * regclass.c (op_costs): Remove global variable.
6549 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6550 (record_operand_costs): Break out from ...
6551 (scan_one_insn): ... here.
6552 (dump_regclass): Make dumps nicer.
6553 (regclass): Dump preferrences choosed and changes done during passes.
6555 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6557 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6559 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6561 * config/sparc/sparc.c (gen_df_reg): New function.
6562 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6563 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6564 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6565 movtf_cc_reg_sp64+1): Use it.
6567 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6569 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6572 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6574 * config/i386/i386.c (ix86_expand_unary_operator): Function
6575 definition made void.
6576 (ix86_expand_binary_operator): Update outdated preceding comment.
6577 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6580 * config/i386/i386.c (override_options): Fix option-name typo.
6582 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6584 * system.h (CEIL): Define.
6585 * builtins.c (CEIL): Remove.
6586 * expmed.c (CEIL): Likewise.
6587 * expr.c (CEIL): Likewise.
6588 * stor-layout.c (CEIL): Likewise.
6590 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6592 * expr.c (store_constructor_field): Fix typo introduced with last
6595 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6597 * tree.h (BINFO_N_BASETYPES): New macro.
6599 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6601 * expmed.c (emit_store_flag): Prevent losing a pending stack
6602 adjust the same way we prevent losing queued increments.
6604 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6606 * function.c (update_temp_slot_address): Handle case where sum of
6607 temporary address plus offset in register is a valid address.
6609 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6611 * genrecog.c (change_state) Corrected typo.
6613 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6615 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6616 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6617 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6619 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6621 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6622 case, expand GT comparisons correctly. Fix a comment before this
6625 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6627 * dwarfout.c: Include "frame.h"
6628 * dwarf2out.c: Likewise.
6629 * Makefile.in (dwarfout.o): Depend on frame.h
6630 (dwarf2out.o): Likewise.
6632 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6634 Restore i386 binary compatibility in Dwarf EH info.
6635 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6636 value of FIRST_PSEUDO_REGISTER.
6637 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6638 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6639 * dwarfout.c (output_reg_number): Ditto.
6640 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6641 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6643 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6645 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6646 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6647 (<hack>_RE_CT): not needed
6648 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6649 rewritten to scan the file text once only
6650 "template<..." test added
6651 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6652 (is_cxx_header): declaration added
6653 * fixinc/fixtests.c(is_cxx_header): removed
6654 (apply_fix_p_t): removed
6655 (double_slash_test): is_cxx_header is only called once now
6656 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6657 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6658 within the templates.
6659 The borken spelling of "broken" was fixed.
6660 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6661 The default level depends on FIXINC_DEBUG.
6663 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6665 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6666 Otherwise provide a declaration for atexit.
6667 (init_dummy): Make sure dummy call to atexit is nevertheless
6668 called with correct number of args.
6670 * frame.c: Update comments referring to other files.
6672 * libgcc2.c: Likewise.
6674 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6676 * cse.c (free_element, get_element): Remove unused prototypes.
6678 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6681 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6684 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6686 * configure.in,configure: case arm for mn10200-*-* now sets
6687 float_format=i32 so that float.h will correctly claim "double"
6688 to be 32 bits. Ran autoconf to generate configure from .in file.
6690 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6692 * pa.md (conditional zero): If op1 is a register, force it into
6693 the same register as op0.
6695 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6697 * tree.h (BINFO_BASETYPES): Improve documentation.
6699 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6701 * configure.in (--enable-checking): Use a more portable `for'
6704 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6706 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6707 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6709 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6712 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6713 Delete descriptions.
6715 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6716 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6717 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6718 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6719 xm-svr4.h: Remove all instances of sys_siglist handling.
6721 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6723 * config/sparc/sparc.md (cmp_zero_qi,
6724 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6725 cmp_zero_extendqidi2_andcc_set): New patterns.
6727 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6729 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6730 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6731 (fpgnulib.c, xfgnulib.c): Add rules.
6732 * m68k/t-mot3300-gas: Likewise.
6734 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6736 * configure.in: Avoid [[ by using test and changequote. Add
6737 changequote required by 1999-12-14 change.
6738 * configure: Rebuild.
6740 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6742 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6744 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6746 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6747 * flow.c (find_use_as_address): Likewise.
6748 * function.c (fixup_var_refs_1): Likewise.
6749 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6750 * jump.c (invert_exp, redirect_exp): Likewise.
6751 * loop.c (replace_call_address): Likewise.
6752 (count_nonfixed_reads): Likewise.
6753 * rtlanal.c (modified_between_p): Likewise.
6754 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6755 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6756 * unroll.c (remap_split_bivs): Likewise.
6758 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6760 * diagnostic.c (v_message_with_decl): Use .* format specifier
6761 instead of building the format specifier width manually.
6763 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6764 determining whether to provide a prototype. Remove the
6765 sys_siglist clause in the conditional.
6767 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6769 * fold-const.c (operand_equal_p): Use memcmp to compare string
6771 Suggested by D. J. Bernstein
6773 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6775 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6776 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6778 * config/mips/mips.h (TARGET_64BIT): Likewise.
6779 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6780 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6781 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6782 dsps. Give routines proper names if SI/DI modes are not used.
6783 * longlong.h: Use DWunion instead of DIunion.
6785 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6787 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6788 GC_CHECKING, GC_ALWAYS_COLLECT.
6789 * configure.in: Allow --enable-checking with an argument
6790 listing check modes to enable.
6791 * config.in, configure: Rebuilt.
6792 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6793 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6794 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6795 ENABLE_GC_ALWAYS_COLLECT.
6796 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6798 * tree.h, tree.c: Change ENABLE_CHECKING to
6799 ENABLE_TREE_CHECKING throughout.
6801 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6803 * fold-const.c (fold_truthop): Properly check for FP RHS.
6805 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6807 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6808 * toplev.c (note_deferral_of_defined_inline_function): New
6809 function, split out from ...
6810 (rest_of_compilation): ... here. Use it.
6812 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6814 * expr.c (store_constructor): Don't call clear_storage if size is
6817 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6819 * Makefile.in (toplev.o): Depend on loop.h.
6821 * dwarfout.c: Include tm_p.h.
6823 * emit-rtl.c (restore_emit_status): Mark parameter with
6826 * final.c (final_scan_insn): Likewise.
6828 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6829 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6830 flow_depth_first_order_compute, flow_loop_pre_header_find,
6831 flow_loop_tree_node_add, flow_loops_tree_build,
6832 flow_loop_level_compute, flow_loops_level_compute,
6833 flow_loop_outside_edge_p): Add prototypes.
6834 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6836 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6837 Mark with ATTRIBUTE_NORETURN.
6839 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6841 * local-alloc.c (no_conflict_p): Likewise.
6843 * loop.c (insert_bct): Hide definitions of variables with hidden
6845 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6847 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6848 with ATTRIBUTE_UNUSED.
6849 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6850 (reg_scan): Likewise.
6852 * reload.c (find_reloads): Remove unused variables `changed'.
6854 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6856 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6857 Remove unused variable `insn'.
6859 * toplev.c: Include loop.h.
6860 (report_file_and_line): Remove unnecessary prototype.
6862 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6864 * unroll.c (biv_total_increment): Likewise.
6866 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6868 * reload1.c (emit_input_reload_insns): Restore old behaviour
6869 wrt. 'special' reloads.
6871 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6873 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6874 hash.h. (cse.c): Don't depend on hashtab.h.
6876 * cse.c: Don't include hashtab.h.
6877 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6879 * ggc-simple.c: Don't include hash.h.
6881 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6883 * dwarf2out.c (add_abstract_origin_attribute): Call
6884 gen_abstract_function on our function context.
6886 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6888 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6890 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6892 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6895 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6897 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6898 constraints to "a!r".
6900 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6902 * Makefile.in (calls.o): Depend on function.h.
6903 (alias.o): Likewise.
6905 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6907 * reload1.c (emit_reload_insns): Break out code and variables into...
6908 (input_reload_insns, other_input_address_reload_insns,
6909 other_input_reload_insns, input_address_reload_insns,
6910 inpaddr_address_reload_insns, output_reload_insns,
6911 output_address_reload_insns, outaddr_address_reload_insns,
6912 operand_reload_insns, other_operand_reload_insns,
6913 other_output_reload_insns): ... new static variables, and...
6914 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6915 do_output_reload): ... new functions.
6917 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6919 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6921 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6923 * md.texi: Add c4x constraints documentation.
6925 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6927 * config/i386/dgux.c (struct option): Rename to
6928 lang_independent_option.
6929 (struct m_options): Add description field.
6930 (output_options): Rename option type, add sep declaration, output
6931 ix86_cpu_string and ix86_arch_string only if set.
6932 (output_file_start): Rename option type.
6934 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6936 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6938 (libgcc2.a): Similarly.
6940 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6942 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6943 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6944 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6946 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6948 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6949 Remove redundant initialization of "frexpon" and "expon".
6951 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6953 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6955 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6956 (store_constructor_field, expand_expr): Pass new arg.
6958 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6960 * Makefile.in (explow.o): Depend on function.h.
6962 * stor-layout.c (set_sizetype): Fix typo.
6964 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6966 * function.c (cfun): Renamed from current_function. All users
6968 * function.h (cfun): Rename declaration as well.
6970 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6971 to be of type regset_head, not regset. All users changed by adding
6973 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6975 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6977 * config/c4x/rtems.h: New file.
6979 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6981 * reload1.c (spill_failure): Take class of failed reload as argument
6982 and print it. Caller changed.
6984 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6986 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6987 (TARGET_SWITCHES): Allow subtargets to default switches.
6988 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6990 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6992 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6995 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6997 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6998 * cppinit.c (cpp_handle_option): Likewise.
7000 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
7001 determine when to define.
7003 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
7005 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
7006 cmove with mismatched test and data modes.
7008 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
7010 * c-typeck.c (c_expand_start_case): Don't warn for long switch
7013 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7015 * alias.c: Minor reformatting.
7018 * stor-layout.c: Likewise.
7019 * fold-const.c: Likewise.
7020 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
7021 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
7023 (size_int_wide): Cache nodes even if garbage collecting.
7024 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
7025 of SAVE_EXPR has no side effects.
7026 * cse.c: Move a comment.
7027 * tree.c: Minor reformatting.
7028 (int_size_in_bytes): Return -1 if constant overflows.
7030 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7032 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
7034 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
7036 * objc/objc-parse.c: Regenerate. This file must be rebuilt
7037 after any change to c-parse.in, even if objc-parse.y didn't
7040 1999-12-18 David S. Miller <davem@redhat.com>
7042 * toplev.c (rest_of_compilation): Restore BLOCK tree
7043 reconstruction and branch shortening changes lost in
7044 December 18th change.
7046 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
7048 * config/arm/linux-elf.h: Change all instances of
7049 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
7050 * config/arm/uclinux-elf.h: Likewise.
7052 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
7054 * toplev.c (notice, vmessage, v_message_with_file_and_line,
7055 v_message_with_decl, file_and_line_for_asm,
7056 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
7057 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
7058 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
7059 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
7060 pfatal_with_name, fatal_io_error, need_error_newline,
7061 last_error_function, last_error_tick, announce_function,
7062 default_print_error_function, print_error_function,
7063 report_error_function, fnotice, error_with_file_and_line,
7064 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
7065 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
7066 warning_with_decl, warning_for_asm, warning, pedwarn,
7067 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
7069 (compile_file): Use fnotice instead of notice. Adjust call.
7071 * diagnostic.c: New file.
7073 * Makefile.in (OBJS): Include diagnostic.o
7074 (diagnostic.o): Define dependence.
7076 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7078 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
7081 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7083 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
7085 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
7087 * fixtests.c (is_cxx_header): New fn, split out of
7089 (else_endif_label): Allow "#endif // comment" in C++ headers,
7090 as determined by is_cxx_header.
7091 * fixfixes.c (else_endif_label_fix): Update comment.
7092 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
7094 * genfixes: Correct double thinko in commandline parsing.
7095 * hackshell.tpl: Generate correct sh syntax for bypass
7098 * inclhack.def (all): Whenever an inserted preprocessor
7099 conditional is split over multiple lines, use double
7100 backslashes in this file so the fixed header will be readable.
7102 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
7103 and add bypass entry for correct version of this header.
7104 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
7105 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
7107 (hpux8_bogus_inlines): New fix, split from...
7108 (ultrix_atof_param) ... here.
7109 (math_expression): Add bypass entry keyed to glibc comment
7110 indicating the problem has been dealt with; disable
7111 unnecessary sed operations; update commentary.
7112 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
7113 add select and bypass entries, simplify shell operation.
7114 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
7116 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
7117 ultrix_atof_param): Add select entry.
7118 (stdio_va_list, sunos_mather_decl): Add bypass entry.
7119 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
7120 comments with the fixes they describe.
7122 * c-parse.in (string action): Do not warn about ANSI string
7123 concatenation in system headers. Affects C parser only.
7124 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
7126 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7128 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
7129 compiling libgcc2 the macro depends always on arch cpp defines.
7131 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
7133 * loop.c (insert_loop_mem): Don't record MEMs from inside
7136 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
7138 * regclass.c (regclass): Do not use flowgraph when not optimizing.
7140 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
7141 notes too, create one when replacement failed, attempt to simplify
7143 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
7146 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7148 * crtstuff.c (__dso_handle): Declare.
7149 (__cxa_finalize): Likewise.
7150 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
7153 * invoke.texi: Document -fuse-cxa-atexit.
7155 * tree.h (ptr_type_node): Document.
7156 (const_ptr_type_node): Likewise.
7158 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7160 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
7161 (optimize_reg_copy_2): Likewise.
7162 (optimize_reg_copy_3): Likewise.
7163 (fixup_match_2): Likewise.
7164 (regmove_optimize): Likewise.
7165 (fixup_match_1): Liekwise.
7167 * i386.md (HI to SImode promoting splitters): Rewrite.
7168 (pushsf mem peep2): New.
7169 (testhi to andhi peep2): Remove.
7170 * i386.h (x86_promote_QImode): New.
7171 (TARGET_PROMOTE_QImode): New.
7172 (PREDICATE_CODES): Add promotable_binary_operator.
7173 * i386.c (x86_promote_QImode0: New.
7174 (promotable_binary_operator): New.
7175 * i386-protos.h (promotable_binary_operator): New.
7177 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
7179 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
7181 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7183 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
7184 * function.c (insert_block_after_note): Remove.
7185 (retrofit_block): Likewise.
7186 (identify_blocks): Fix indentation.
7187 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
7188 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
7189 * function.h (insert_block_after_note): Remove prototype.
7190 (retrofit_block): Likewise.
7191 * integrate.c (expand_inline_function): Don't call
7192 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
7193 just expand_start_bindings. Use the block_map to remap old
7194 NOTE_BLOCKs to new ones.
7195 (integrate_decl_tree): Keep track of remapped blocks.
7196 * integrate.h (struct inline_remap): Add block_map.
7197 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
7198 NOTE_BLOCK on the notes.
7199 (expand_start_bindings): Rename to ...
7200 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
7201 (expand_end_bindings): Set NOTE_BLOCK.
7202 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
7203 reconstruct the BLOCK tree.
7204 * tree.h (expand_start_bindings): Macroize. Call ...
7205 (expand_start_bindings_and_block): New function.
7207 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7209 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
7210 to match the format.
7212 1999-12-16 David S. Miller <davem@redhat.com>
7214 * expr.c (emit_move_insn_1): Only emit clobbers if one of
7215 the outputs is a SUBREG.
7216 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
7219 * config/sparc/sparc.c (epilogue_renumber): Add default case
7222 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7224 * toplev.c (rest_of_compilation): Run branch shortening after
7227 * regclass.c (loop_depth): Remove
7228 (scan_one_insn): Do not handle LOOP_NOTE insns.
7229 (regclass): Go through basic blocks and set loop_cost
7231 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
7233 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
7235 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7237 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
7238 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
7239 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
7241 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
7243 * loop.c (insert_loop_mem): Ignore memory clobbers.
7245 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
7248 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
7250 * profile.c: Remove redundant #include "output.h".
7252 * h8300.md (HImode preinc peephole): Fix typo.
7254 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7256 * function.c (retrofit_block): Abort if we don't find a suitable insn.
7257 (insert_block_after_note): Abort if we don't have a previous block.
7258 Remove FN parameter.
7259 * function.h: Adjust.
7261 1999-12-15 Mark Mitchell <mark@codesourcery.com>
7263 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
7264 argument more than once.
7266 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7268 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
7270 1999-12-15 Jakub Jelinek <jakub@redhat.com>
7272 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
7274 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7276 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
7277 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
7278 update stack_alignment_needed.
7279 (prepare_function_start): Initialize stack_alignment_needed
7280 * function.h (struct function): Add field stack_alignment_needed.
7282 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7284 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
7285 Handle live_throughout / dead_or_set instead of live_before /
7287 (save_call_clobbered_regs): Get register livenessinformation from
7288 chain->live_throughout.
7289 (add_stored_regs): New function.
7290 (insert_restore, insert_save): Add restored / saved registers to
7292 * global.c (reg_dies): New parameter chain.
7293 (reg_becomes_live): Third parameter is regs_set now.
7294 Changed all callers.
7295 (reg_dies): New parameter chain. Changed all callers.
7296 (build_insn_chain): Set live_throughout instead of
7297 live_before / live_after.
7298 * reload.h (struct insn_chain): Replace members live_before /
7299 live_after with live_throughout / dead_or_set.
7300 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
7301 instead of live_before / live_after.
7302 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
7303 (order_regs_for_reload, find_reg, finish_spills): Likewise.
7304 (choose_reload_regs_init): Likewise.
7305 * stupid.c (current_chain, find_clobbered_regs): Delete.
7306 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
7307 instead of chain->live_before / chain->live_after.
7308 (mark_hard_ref): New function.
7309 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
7311 1999-12-15 David S. Miller <davem@redhat.com>
7313 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
7315 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7317 * flow.c (calculate_loop_depth): Make global, remove prototype,
7318 rewrite to use new loop infrastructure.
7319 (find_basic_block): Remove calculate_loop_depth call.
7320 * toplev.c (rest_of_compilation): Call find_basic_block.
7321 * output.h (calculate_loop_depth): Declare.
7323 * flow.c (dump_flow_info): Dump loop_depth.
7324 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7326 (flow_loops_find): Initialize the loop_depth for each basic block.
7328 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7330 * tree.c (decl_function_context): Handle virtual functions.
7332 * tlink.c (scan_linker_output): Don't look in demangled name when
7333 looking for linker output keywords.
7335 * dwarfout.c (output_type): We can defer namespace-scope classes.
7337 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7339 * regclass.c (record_reg_classes): Update comment for merging
7340 register class preferences in reg->reg copies. Tighten conditions
7341 for merging register class preferences in reg->reg copies.
7343 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7345 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7347 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7349 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7350 (INIT_SECTION_ASM_OP): Delete.
7351 (FINI_SECTION_ASM_OP): Delete.
7352 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7354 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7356 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7357 the abstract origin wasn't emitted.
7359 * dwarf2out.c (class_scope_p): New fn.
7360 (gen_subprogram_die): Use it.
7361 (gen_variable_die): Use it. Tweak logic.
7362 (gen_struct_or_union_type_die): Check context_die to determine
7363 if we're function-local.
7364 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7366 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7368 * loop.c (check_dbra_loop): Can't reverse a biv that has
7371 1999-12-14 Nick Clifton <nickc@cygnus.com>
7373 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7376 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7378 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7379 for givs made from biv increments.
7381 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7383 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7384 * alpha.c (override_options): Recognize -mcpu=ev67.
7385 * alpha.h (CPP_CPU_EV67_SPEC): New.
7386 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7387 (EXTRA_SPECS): Update.
7389 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7391 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7392 appropriate for -lang-c89 and -std=*.
7393 * cppinit.c (cpp_handle_option): Likewise.
7394 (new_pending_define): New, split out from cpp_handle_option.
7395 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7396 or enable trigraphs for -ansi/-std=*.
7398 * ginclude/stdarg.h (__va_copy): New.
7399 (va_copy): Don't define for C89.
7401 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7403 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7404 for long long multiply-accumulate.
7406 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7408 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7409 optimizing for size.
7411 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7413 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7414 if something changed. Back out that part of yesterday's changes.
7416 * loop.c (loop_max_reg): New static variable.
7417 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7419 (scan_loop): Call reg_scan_update whenever we may have added new
7420 registers, and update loop_max_reg.
7422 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7424 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7425 when source does not die.
7427 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7429 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7431 * config/sparc/linux64.h (TARGET_LIVE_G0,
7432 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7434 * config/sparc/linux.h (TARGET_LIVE_G0,
7435 TARGET_BROKEN_SAVERESTORE): Likewise.
7436 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7437 TARGET_BROKEN_SAVERESTORE): Likewise.
7439 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7440 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7442 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7443 as sparc64 block profiling register.
7444 * config/sparc/sparc.c (sparc_override_options): Allow block
7445 profiling with -m32.
7446 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7448 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7449 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7450 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7452 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7454 * config/sparc/sparc.h: Likewise.
7455 * config/sparc/xm-sysv4-64.h: Likewise.
7456 * config/float-sparc.h: Likewise.
7457 * glimits.h: Likewise.
7458 * longlong.h: Likewise.
7460 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7461 (ASM_IDENTIFY_GCC): Remove.
7463 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7465 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7466 (simplify_logical): Likewise.
7468 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7470 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7471 * cppfiles.c (INO_T_EQ): Likewise.
7473 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7475 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7476 * i386/mingw32.h (LIB_SPEC): Likewise.
7477 (STARTFILE_SPEC): Likewise.
7478 * i386/uwin.h (LIB_SPEC): Likewise.
7479 (STARTFILE_SPEC): Likewise.
7481 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7482 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7484 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7486 * combine.c (combine_simplify_rtx): Fix order of checks for
7487 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7489 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7491 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7492 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7494 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7496 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7498 * regclass.c (inv_reg_alloc_order): New array.
7499 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7501 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7502 counted_for_groups, counted_for_nongroups. Add fields rld and
7504 * reload.c (push_secondary_reload): Don't set nongroup field of
7506 (push_reload): Likewise.
7507 (find_reloads): Delete code to compute nongroup fields.
7508 * reload1.c (reload_insn_firstobj): New static variable.
7509 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7511 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7512 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7513 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7515 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7517 (struct hard_reg_n_uses): Deleted.
7518 (potential_reload_regs): Deleted.
7519 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7520 (reload): Don't try to allocate reload registers if we already know
7521 we have to make another pass. Call select_reload_regs. Free memory
7522 starting with reload_firstobj when starting another pass.
7523 Don't allocate spilled_pseudos.
7524 (calculate_needs_all_insns): Call copy_reloads for an insn that
7525 needs reloads; don't call calculate_needs.
7526 (spill_cost): New static array.
7527 (used_spill_regs_local): New static variable.
7528 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7529 to compute potential_reload_regs.
7530 (find_reload_regs): Completely rewritten to use find_reg.
7531 (allocate_reload_reg): Don't test counted_for_groups or
7532 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7534 (choose_reload_regs): Add fallback code that uses the existing
7535 register allocation from find_reload_regs.
7537 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7539 * flow.c (create_edge_list): Cast xmalloc return value.
7541 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7543 * doprnt.c: Remove incorrect comment closure.
7545 * cse.c: Fix a few minor whitespace goofs.
7547 1999-12-13 Don Bowman <don@pixstream.com>
7549 * mips/vxworks.h: Fix problem with comment termination.
7550 (EXTRA_SECTIONS): Add in_sbss.
7551 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7553 1999-12-12 David S. Miller <davem@redhat.com>
7555 * cse.c (struct cse_reg_info): Add hash_next member,
7556 reorder rest of struct for better packing on 64-bit
7558 (cse_reg_info_tree): Kill.
7559 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7560 REGHASH_FN): New custom pow2 hash mechanism.
7562 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7563 use a pow2 hash table.
7564 (get_cse_reg_info): Rework to use new REGHASH.
7565 (new_basic_block): Likewise, use HASH_SIZE, and inline
7567 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7568 and inline free_element call.
7569 (lookup_as_function, insert, flush_hash_table, invalidate,
7570 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7571 invalidate_for_call, use_related_value, find_comparison_args,
7572 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7573 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7576 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7578 * cse.c (cse_basic_block): Free qty_table consistently.
7580 1999-12-12 David S. Miller <davem@redhat.com>
7581 Jakub Jelinek <jakub@redhat.com>
7583 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7584 SUBREGs by hand, gen the appropriate hard reg directly.
7585 (movtf reg/mem split): Likewise and alter_subreg on destination
7587 (movtf mem/reg split): Similarly.
7588 (movdf_cc_sp64): Rename from hidden pattern.
7589 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7590 (movtf_cc_sp64, following split): New pattern and splitter.
7591 (movdf_cc_reg_sp64): Rename from hidden pattern.
7592 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7594 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7596 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7598 * loop.c (load_mems): Don't hoist written floating point mem
7601 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7603 * except.h (struct eh_queue): Add `next' pointer.
7604 (struct eh_status): Make x_ehqueue a pointer.
7605 (push_ehqueue): Declare.
7606 (pop_ehqueue): Likewise.
7607 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7609 (expand_fixup_region_end): Likewise.
7610 (expand_leftover_cleanups): Likewise.
7611 (push_ehqueue): Define.
7612 (pop_ehqueue): Likewise.
7613 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7614 than doing it inline.
7615 (expand_start_all_catch): Adjust now that ehqueue is a
7617 (mark_eh_queue): Mark all level of the queue.
7618 (mark_eh_status): Adjust now that ehqueue is a
7620 (init_eh_for_function): Allocate ehqueue.
7621 (free_eh_status): Free it.
7622 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7623 expansion for a fixup.
7625 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7627 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7629 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7630 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7631 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7632 function_ptr, getpagesize, __enable_execute_stack,
7633 __enable_execute_stack, __clear_insn_cache,
7634 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7635 _cleanup, _exit, __default_terminate, __terminate_func,
7636 __terminate, __empty, __throw, new_eh_context,
7637 eh_context_initialize, eh_context_static, eh_context_specific,
7638 get_eh_context, __get_eh_context, __get_eh_info,
7639 init_reg_size_table, eh_threads_initialize,
7640 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7641 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7642 __pure_virtual): Add prototype arguments.
7643 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7644 Cast a signed value to unsigned long when comparing against one.
7645 (new_eh_context): Wrap in _GTHREADS macro.
7646 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7648 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7649 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7651 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7653 * combine.c (record_promoted_value): Remove unused variable
7656 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7658 * global.c (record_conflicts): Likewise for `j'.
7660 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7663 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7665 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7666 output_fp_compare): Constify a char*.
7668 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7670 (override_options, ix86_comp_type_attributes, print_operand,
7671 output_387_binary_op, output_fix_trunc, output_fp_compare):
7673 (ix86_sched_reorder): Mark parameter `clock_var' with
7676 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7678 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7680 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7681 operand, for use in the Java front-end.
7683 1999-12-10 Ben Collins <bcollins@debian.org>
7685 * configure.in: Fix typo for "-64" in 64bit as check.
7686 * configure: Rebuilt.
7688 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7690 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7693 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7695 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7696 concatenation is utilized.
7698 * invoke.texi (-Wtraditional): Document it.
7700 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7702 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7703 Cast a ptrdiff_t to long and pass it to printf with %ld.
7705 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7707 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7708 68881, we have no 68881 registers at all.
7709 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7710 value in a 68881 register if it is available.
7712 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7714 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7715 for long long multiply-accumulate.
7717 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7719 * loop.c (insert_loop_mem): Undo last change.
7721 1999-12-10 David S. Miller <davem@redhat.com>
7723 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7725 * config/sparc/sparc-protos.h: Add them.
7726 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7727 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7728 constraints which use those helpers.
7729 (EXTRA_CONSTRAINT): Use this new macro.
7730 * md.texi: Update sparc target constraints documentation.
7731 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7732 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7733 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7734 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7735 (movsf high/lo_sum split): Rework for new patterns.
7736 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7738 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7740 * c-common.c (c_common_nodes_and_builtins):
7741 Create __builtin_ptrdiff_t and __builtin_size_t.
7743 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7745 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7747 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7749 * regclass.c (globalize_reg): Re-instate test that allows
7750 fixed registers to be declared as a variable even after functions
7753 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7755 * i386.md (cpu attribute): Add "athlon".
7756 (athlon_decode): New attribute.
7757 (Athlon scheduling units definitions): New.
7758 (fcmp and shld patterns): Set athlon_decode to "vector".
7759 * i386.c (athlon_cost): New.
7761 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7762 x86_use_sahf): Set for Athlon.
7763 (x86_use_fiop): Unset for Athlon.
7764 (override_options): Define Athlon alignments and "athlon" name.
7765 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7766 * i386.h (TARGET_ATHLON): New.
7767 (enum processor_type): Add PROCESSOR_ATHLON.
7768 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7770 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7772 1999-12-09 Andreas Jaeger <aj@suse.de>
7774 * loop.c (record_biv): Declare parameter as int.
7776 * config/i386/i386-protos.h: Declare long_memory_operand.
7778 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7780 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7781 EXPR_WITH_FILE_LOCATION.
7783 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7785 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7788 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7790 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7793 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7795 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7796 default on linux64 again.
7797 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7798 models for multilibing.
7799 * genmultilib: Accept | as alternative separator within a set in
7802 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7804 * calls.c (precompute_arguments): Make sure initial_value contains
7805 value pseudo which CSE expects.
7806 * cse.c (struct set): New entry orig_src.
7807 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7810 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7812 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7814 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7816 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7818 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7820 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7821 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7823 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7826 * longlong.h: Merge in changes from glibc.
7827 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7828 -mno-app-regs libgcc can be compiled.
7829 * libgcc2.c: Add defines so that the updated longlong.h
7830 can be used in libgcc2.a. Also, make sure on most architectures
7831 (at least on all which have optimized code in longlong.h defined
7832 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7834 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7836 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7837 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7838 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7840 * configure: Rebuilt.
7842 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7844 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7845 outputs require a register.
7847 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7849 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7850 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7851 functions like dptoul will be resolved.
7852 (libgcc2.a): Make sure that the object files from DPBIT are named
7853 differently (prefix `_dp') from those that would be coming from
7856 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7858 * configure.in: When target is sparc* and tm_file contains 64,
7859 test for 64bit support in assembler. If not supported, remove
7860 sparc/t-sol2-64 from target-dependent Makefile fragments.
7861 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7862 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7863 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7864 * acconfig.h (AS_SPARC64_FLAG): Added.
7865 * configure, config.in: Rebuilt.
7866 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7867 support. Use AS_SPARC64_FLAG.
7869 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7871 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7872 suitable for holding OFmode values so that gcc works with complex
7874 (hard_64bit_mode_classes): Likewise.
7876 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7877 so that it is actually matched.
7878 (sethi_di_medlow): Likewise.
7880 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7881 as legitimate constant if -mvis.
7882 * config/sparc/sparc.md (movtf): Likewise.
7883 (clear_sf): Use const_double_operand.
7884 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7886 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7887 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7888 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7889 routines, _Qp_* cannot be handled like that now.
7890 (INIT_TARGET_OPTABS): Likewise.
7891 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7892 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7893 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7894 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7895 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7896 divtf3, sqrttf3): New expanders.
7897 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7898 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7899 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7902 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7903 * configure: Rebuilt.
7904 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7905 -mcpu is given and we're doing 64bit compiles.
7907 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7909 * loop.h (struct induction): Add multi_insn_incr.
7910 * loop.c (basic_induction_var): New multi_insn_incr argument.
7911 Set it if we search back through previous insns for the biv.
7912 (record_biv): New multi_insn_incr argument; fill in struct induction.
7913 (strength_reduce): Discard an iv with multiple bivs, any of
7914 which require multiple insns to increment.
7916 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7918 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7921 1999-12-06 David S. Miller <davem@redhat.com>
7923 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7924 PROMOTE_FUNCTION_RETURN.
7926 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7928 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7929 and handle REG_UNUSED note on insn.
7931 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7932 inner_mask instead of mask.
7934 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7936 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7937 zero if there was an error.
7939 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7941 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7944 * longlong.h: Fix clobbers in SPARC asm statements.
7946 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7947 valid sethi operations when TARGET_ARCH64.
7949 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7950 always use move_by_pieces to avoid infinite recursion.
7951 (restore_fixed_argument_area): Likewise.
7953 * combine.c (check_promoted_subreg, record_promoted_value): New
7955 (combine_instructions): Use them to retain nonzero and sign bit
7956 information after SUBREGs are eliminated by optimizations in
7957 this pass if PROMOTE_FUNCTION_RETURN.
7959 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7960 .register declaration. Don't use variables with __ prefixes.
7962 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7964 * fold-const.c (optimize_bit_field_compare): Only use one mode
7965 for both RHS and LHS in non-constant case.
7967 1999-12-06 Nathan Sidwell <nathan@acm.org>
7969 * frame.c (start_fde_sort): Only allocate erratic array, if
7970 linear one was allocated. Return allocated flag.
7971 (fde_insert): Only insert, if there's a valid array.
7972 (fde_end_sort): Split, sort and merge if linear and erratic
7973 arrays exist, else just sort linear one.
7974 (search_fdes): New function. Linear search through original fde
7976 (frame_init): Permit multiple initializations. Cope with
7978 (find_fde): Fallback on linear search, if failed to sort array.
7979 (__deregister_frame_info): Only free sorted array, if we
7982 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7984 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7986 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7988 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7990 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7992 * tree.h (special_function_p): Declare.
7993 * calls.c (special_function_p): Make it global. Don't take `name'
7994 as a parameter. Fix typo in 1999-11-28 change.
7995 (expand_cal): Adjust.
7997 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7999 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
8000 * tree.h (EXPR_WFL_FILENAME): Define in terms of
8001 EXPR_WFL_FILENAME_NODE.
8002 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
8004 * print-tree.c (print_note): Print TREE_PRIVATE and
8007 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
8008 the original die cannot be found.
8010 * varray.h (varray_head_tag): Add elements_used.
8011 (VARRAY_PUSH): New macro.
8012 (VARRAY_POP): Likewise.
8013 (VARRAY_TOP): Likewise.
8014 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
8016 * varray.c (varray_init): Initialize elements_used.
8017 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
8018 (INTEGRATE_H): New variable.
8019 (integrate.o): Depend on INTEGRATE_H.
8020 (unroll.o): Likewise.
8022 * function.h (insert_block_after_note): Declare.
8023 * function.c (insert_block_after_note): Split out from ...
8024 (retrofit_block): ... here.
8026 * stmt.c (expand_fixup): Fix typo in comment.
8028 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8030 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
8031 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
8032 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
8033 (regmove_optimize, fixup_match_1): Likewise.
8035 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8037 * flow.c (flow_loops_dump): Add missing argument when calling
8040 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
8041 Greg McGary <gkm@gnu.org>
8043 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
8044 (init_attributes): Add A_NO_LIMIT_STACK.
8045 (decl_attributes): Handle A_NO_LIMIT_STACK.
8046 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
8047 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
8048 Handle stack bounds checking.
8049 * flags.h (flag_stack_check): Use the word 'probe' rather than
8050 'check', because the flag doesn't actually cause any checking to
8052 * function.c (expand_function_start): Set
8053 current_function_limit_stack.
8054 * function.h (struct function): Add limit_stack.
8055 (current_function_limit_stack): Define.
8056 * invoke.texi (Code Gen Options): Document new options.
8057 * rtl.h: Declare stack_limit_rtx.
8058 * toplev.c (stack_limit_rtx): New variable.
8059 (decode_f_option): Handle new options -fstack-limit-register=REG,
8060 -fstack-limit-symbol=IDENT, -fno-stack-limit.
8061 (main): Add stack_limit_rtx as GC root.
8062 * tree.h (DECL_NO_LIMIT_STACK): New macro.
8063 (struct tree_decl): New member no_limit_stack.
8065 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
8067 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
8068 (conditional_trap+1): Get new mnemonic correct.
8069 (conditional_trap+2): New pattern for DImode traps.
8071 * config/m68k/m68k.c (output_function_prologue): Handle
8073 * config/m68k/m68k.md (trap): New insn.
8074 (conditional_trap): New insn.
8075 * md.texi (Standard Names): Document `trap' and
8077 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
8078 so a cc0 setter doesn't get emitted at some random place in the
8081 * config/i960/i960.md (trap): New insn.
8082 (conditional_trap): New expander.
8083 (conditional_trap+1, conditional_trap+2): New insns for signed
8085 * config/i960/i960.c (i960_function_prologue): Use
8086 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
8088 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
8089 Geoffrey Keating <geoffk@cygnus.com>
8091 * flags.h (warn_padded, warn_packed): Add global var decls.
8092 * toplev.c (warn_padded, warn_packed): Add global var defns.
8093 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
8094 * stor-layout.c (layout_record): Add local variable `type'
8095 to hold often-used TREE_TYPE (field). Add local variable
8096 `unpacked_align' to hold alignment that would be in force
8097 if no `packed' attribute were present. Warn if `packed' attribute
8098 is unnecessary, or even harmful. Warn when gcc inserts padding
8099 to satisfy alignment requirements of members. Use NULL_TREE
8100 when checking whether var_size is set.
8101 * invoke.texi: Document new flags.
8103 1999-12-03 Nathan Sidwell <nathan@acm.org>
8105 * frame.c (fde_split): Reimplement to avoid variable sized array.
8107 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8109 * combine.c (try_combine): Before fixing up LOG_LINKS for the
8110 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
8112 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
8114 * invoke.texi: Document the mips option -mno-crt0
8116 1999-12-02 Mike Karr <mkarr@mathworks.com>
8118 * cccp.c (argdata): Added free_ptr member.
8119 (macroexpand): Initialize free_ptr of each argument. When an
8120 argument's buffers are freed, if the argument's free_ptr corresponds
8121 to a buffer on the input stack, then return the free_ptr to that stack
8122 frame, otherwise, free it.
8123 (macarg): If an argument begins and ends on the same input stack level,
8124 then transfer the free_ptr of that buffer to the argument in case
8125 the stack is popped during the processing of a subsequent argument.
8127 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
8129 * loop.c (note_reg_stored): New function.
8130 (struct note_reg_stored_arg): New structure.
8131 (try_copy_prop): Change to be more conservative; only replace within
8132 one extended basic block and stop replacing if a store to the
8133 replacement reg is seen.
8135 1999-12-02 Nick Clifton <nickc@cygnus.com>
8137 * config/fp-bit.c: Initialise all fields of the NAN
8140 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
8143 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8145 * i386.md (extend?f?f2): Force the input into a register, not
8148 1999-12-01 Jakub Jelinek <jakub@redhat.com>
8150 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
8152 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
8153 alternative because setting up 64bit constant is usually costly,
8154 especially when reload is in progress or completed.
8155 (movdf_const_intreg_sp64): Likewise.
8156 (movdf_const_intreg split): Fix building up constants when
8157 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
8159 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
8161 * combine.c (if_then_else_cond): Use const_true_rtx instead of
8162 const1_rtx for return values in EQ/NE comparison against (const_int 0)
8165 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
8166 (asm_file_start): Emit .am33 into assembly file when compiling for
8168 (print_operand_address): Handle POST_INC addresses.
8169 (can_use_return_insn, initial_offset): Check AM33 registers too.
8170 (expand_prologue): Check & save AM33 registers too.
8171 (expand_epilogue): Similarly.
8172 (secondary_reload_class): Handle AM33 specific secondary reloads.
8173 (output_tst): Emit efficient code for the AM33 too.
8174 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
8175 (TARGET_SWITCHES): Add -mam33 switch.
8176 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
8177 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
8178 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
8179 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
8180 (enum reg_class, REG_CLASS_NAMES): Likewise.
8181 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
8182 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
8183 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
8184 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
8185 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
8186 (HAVE_POST_INCREMENT): Define.
8187 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
8188 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
8189 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
8190 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
8191 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
8192 (zero_extend to SI from QI/HI): Likewise.
8193 (sign_extend to SI from QI/HI): Likewise.
8194 (mulsidi3, umulsidi3): New patterns for the AM33.
8195 (tstsi with zero extension from QI/HI): Add AM33 variants.
8196 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
8197 (return_internal_regs, store_movm): Handle new AM33 registers.
8198 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
8199 (LIBGCC, INSTALL_LIBGCC): Likewise.
8200 * invoke.texi: Document new flags.
8202 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8204 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
8205 (addsi3_carry): Likewise.
8206 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
8207 (sbbsi3_carry): Likewise.
8208 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
8210 (test?i_1): Ensure that only one operand is memory.
8211 (conditional move patterns): likewise.
8212 (shift and rotate patterns): Rewrite to expander, add
8213 "binary_operator_ok" to the condition.
8215 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
8216 * i386.h (procesor_costs): Add movzbl_load field.
8217 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
8218 non-Q registers, accept DImode registers anywhere.
8220 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
8221 * i386.c (*_cost): Set value for movxbl_load field.
8223 * (addsi): New add to lea splitter.
8225 (lea to add/shift peep2): New.
8227 1999-12-01 Mark Salter <msalter@cygnus.com>
8229 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
8230 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
8231 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
8233 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8235 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
8236 * i386.md (movsi_xor): New.
8238 (movsi_1, movhi_1, movqi_1): Remove.
8239 (movsi_2): Rename to movsi_1.
8240 (movhi_2): Rename to movhi_1.
8241 (movqi_2): Rename to movqi_1.
8242 (movdi_1): Remove; remove splitter.
8243 (movdi_2): Rename to movdi_1.
8244 (divmodsi4 splitter): Do not emit clobbers for move patterns.
8245 (long move peep2): Do not create QI or HI mode mov0s
8246 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
8248 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
8251 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
8252 (abs?f2_if): Likewise.
8254 1999-11-30 Alex Samuel <samuel@codesourcery.com>
8256 * ggc.h (ggc_test_and_set_mark): New macro.
8257 (ggc_mark_rtx): Use ggc_test_and_set_mark.
8258 (ggc_mark_tree): Likewise.
8259 (ggc_mark_rtvec): Likewise.
8260 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
8262 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
8264 * dwarf2out.c (scope_die_for): Only handle types. Only search for
8266 (decl_scope_table): Just an array of trees now.
8267 (push_decl_scope): Simplify.
8268 (dwarf2out_init): Adjust.
8269 (local_scope_p): New fn.
8270 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
8271 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
8272 (gen_typedef_die): Likewise.
8273 (gen_lexical_block_die): Don't call push/pop_decl_scope.
8274 (gen_inlined_subroutine_die): Likewise.
8275 (gen_abstract_function): Set current_function_decl temporarily.
8276 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
8277 Handle block extern declarations. Don't call push/pop_decl_scope.
8278 (gen_decl_die): Fix logic for block externs.
8280 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8282 * calls.c (special_function_p): Remove `realloc' and add `strdup'
8283 to the list of functions which have attribute malloc by default.
8285 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8287 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
8288 integer constant does not match the traditional type, limit the
8289 warnings to cases where the base of the type is ten.
8291 * invoke.texi (-Wtraditional): Document it.
8293 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8295 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
8296 * rs6000.md: Only access a CONST_INT with INTVAL
8298 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
8300 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
8301 (compute_nearerout): Likewise.
8302 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
8303 size_t to unsigned long for formatting.
8305 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8307 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
8308 Allow the user to override call-used/fixed state of %g2-5
8309 registers from the command line (with the exception of %g4 for
8311 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
8312 there is a higher chance of having a leaf function.
8313 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
8314 for ARCH64 which has %ccr register.
8315 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8317 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8318 insn accept into delay slot any insn which does not use %[ol]
8319 registers. Accept some LO_SUM and shift left by 1 for the normal
8321 (output_function_epilogue): Likewise.
8322 (epilogue_renumber): Added argument which inhibits any renumbering
8323 and just tests if the rtx does not use any %[ol] registers.
8324 (output_return): Reflect above change.
8326 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8328 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8329 aggregate passing for sizes <= 16 bytes.
8331 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8333 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8334 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8335 * reload.c (find_dummy_reload): Likewise.
8336 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8337 * reload1.c (reload_as_needed): Likewise.
8338 * stupid.c (stupid_find_reg): Likewise.
8339 * tm.texi (Obsolete Register Macros): Delete section.
8340 * gmicro.h: Remove all traces of the two macros.
8345 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8347 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8348 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8349 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8350 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8351 units for the sparclite86x chip.
8352 (flush): Revert October 14th change; add SImode specifically.
8353 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8354 * invoke.texi: Document it.
8356 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8358 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8359 psimode_truncation_operand.
8361 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8362 function. Return true if the operand is either a MEM valid
8363 for a PSImode address or not a MEM at all.
8365 * config/mn10200/mn10200.md (truncsipsi2): Use
8366 psimode_truncation_operand.
8368 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8370 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8371 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8372 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8373 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8374 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8375 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8376 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8377 * basic-block.h: Protect from multiple inclusion.
8378 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8379 (struct loops, struct loop): Define structures.
8380 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8381 * sbitmap.h: Protect from multiple inclusion.
8382 (sbitmap_a_subset_b_p): Add prototype.
8383 * Makefile.in (LOOP_H): New macro.
8384 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8386 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8388 * cppinit.c (CAT): The argument list of this macro may not contain
8391 1999-11-29 David S. Miller <davem@redhat.com>
8393 Move quantity tables and register equivalence chains into
8394 per-qty and per-register structure arrays respectively.
8395 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8396 qty_const_insn, qty_comparison_code, qty_comparison_const,
8397 qty_comparison_qty): Delete, replace with...
8398 (qty_table): this structure table.
8399 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8400 (reg_eqv_table): this structure table.
8401 (make_new_qty): Add argument MODE. Caller updated.
8402 Update to use qty_table and reg_eqv_table.
8403 (make_regs_eqv, delete_reg_equiv, insert_regs,
8404 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8405 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8406 cse_process_notes, cse_main, cse_basic_block): Likewise.
8408 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8410 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8411 operation if C is negative.
8412 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8413 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8414 law for some divisions if constant is negative and change other
8415 divisions to the opposite rounding.
8417 * expr.c (store_constructor_field): If bit position is not multiple
8418 of alignment of TARGET's mode, use BLKmode.
8420 * expr.c (expand_expr_unaligned): Add more code from full case
8421 that is needed when OP0 is in a register.
8423 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8425 * dwarfout.c (field_byte_offset): Size can be zero if there was
8428 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8430 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8431 (associate_trees): Delete unused var TEM.
8432 (extract_muldiv): Delete unused var CANCEL_P.
8434 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8435 (target_isinf, target_isnan, target_negative): Add return types to
8436 function definitions.
8438 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8440 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8441 * fixinc/hackshell.tpl: ditto
8442 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8443 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8445 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8447 * reload.c (push_reload): When looking for a register to put into
8448 reg_rtx, make sure all hard regs in a multi-reg register are in the
8449 right class and nonfixed.
8451 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8452 pending_read_insns, pending_write_insns, pending_read_mems,
8453 pending_write_mems, pending_list_length, last_pending_memory_flush,
8454 last_function_call, sched_before_next_call): Move static variables
8456 (bb_ prefixed versions): Replace with single array bb_deps.
8457 (struct deps): New structure.
8458 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8459 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8460 argument of type "struct deps *"; use that instead of global
8461 variables. All callers changed.
8462 (init_rgn_data_dependencies): Delete function.
8463 (init_rtx_vector): Delete function.
8464 (init_deps): New function.
8466 (free_pending_lists): Simplify, we always use the bb_deps array even
8467 if only one basic block.
8468 (compute_block_backward_dependences): Likewise.
8469 (schedule_region): Likewise.
8471 (propagate_deps): New function, broken out of
8472 compute_block_backward_dependences.
8473 (compute_block_backward_dependences): Use it.
8475 * alpha.md: Delete useless patterns that tried to work around
8476 register elimination problems.
8478 * unroll.c (loop_iterations): Don't abort if iteration variable
8481 From Joern Rennecke:
8482 * reload1.c (reloads_conflict): Reverse test comparing operand
8483 numbers when testing for conflict between output/outaddr reloads.
8485 1999-11-29 David S. Miller <davem@redhat.com>
8487 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8489 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8491 1999-11-28 Robert Lipe <robertl@cygnus.com>
8493 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8494 table from .fini into .dtor.
8496 1999-11-28 Anthony Green <green@cygnus.com>
8498 * tree.h (struct tree_decl): Add malloc_flag.
8499 (DECL_IS_MALLOC): Define.
8500 * c-common.c (attrs): Add A_MALLOC attribute.
8501 (init_attributes): Add this attribute to the table.
8502 (decl_attributes): Handle malloc attribute.
8503 * calls.c (special_function_p): Check for the malloc attribute.
8504 * extend.texi (Function Attributes): Document malloc attribute.
8506 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8508 * pa.md (reload shift-add patterns): Remove.
8510 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8512 * reorg.c (dbr_schedule) Print more statistics. Corrected
8513 problem when printing info when 3 delay slots are filled.
8515 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8517 * combine.c (setup_incoming_promotions): Pass an outgoing
8518 regno to FUNCTION_ARG_REGNO_P which it expects.
8520 1999-11-28 Andreas Jaeger <aj@suse.de>
8522 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8524 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8526 * cccp.c (do_include): Avoid initialization of automatic variable.
8528 * integrate.c (mark_stores): Function definition made void, to match
8529 previous declaration.
8530 * regclass.c (dump_regclass): Ditto.
8531 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8533 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8535 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8536 known to be multiple of divisor.
8538 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8540 * combine.c (try_combine): Add code to try to merge a set of a
8541 two-word pseudo to a constant with a setting of one of those words
8544 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8545 (split_tree): Completely rework to make more general.
8546 (make_range, fold): Call negate_expr.
8547 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8548 (fold, associate): Call new split_tree and associate_trees.
8549 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8551 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8553 * loop.c (try_copy_prop): Avoid GNU C extension.
8555 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8557 * except.c (init_eh_for_function): Still zero eh_return_context,
8558 eh_return_stack_adjust, and eh_return_handler.
8560 * except.h (eh_status): Adjust documentation for x_protect_list.
8561 (begin_protect_partials): New function.
8562 * except.c (enqueue_eh_entry): Fix formatting.
8563 (get_first_handler): Add consistency check.
8564 (add_partial_entry): Adjust usage of protect_list.
8565 (emit_cleanup_handler): Save and restore ehqueue.
8566 (expand_start_all_catch): Add comment.
8567 (begin_protect_partials): New function.
8568 (end_protect_partials): Adjust usage of protect_list.
8569 (init_eh_for_function): Use xcalloc.
8571 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8573 * c-common.c (check_format_info): Don't call a variadic function
8574 with a non-literal format string.
8576 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8578 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8579 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8582 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8585 * collect2.c (collect_wait): Likewise.
8587 * dbxout.c (dbxout_type): Likewise.
8589 * gcc.c (do_spec_1): Likewise.
8591 * genemit.c (gen_insn, gen_expand): Likewise.
8593 * genrecog.c (write_switch, write_subroutine): Likewise.
8595 * mips-tfile.c (catch_signal, botch): Likewise.
8597 * print-rtl.c (print_rtx): Likewise.
8599 * toplev.c (default_print_error_function, report_error_function,
8600 _fatal_insn): Likewise.
8602 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8604 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8606 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8608 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8609 operations when needed.
8610 * i386.md (fop_?f_comm): New.
8611 (fop_?f_1): Do not accept commutative operands.
8613 1999-11-25 Andreas Jaeger <aj@suse.de>
8615 * config/mips/mips.md (casesi_internal): Add missing brace.
8617 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8619 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8620 (splice_child_die): Handle moving a child DIE from the declaration
8621 DIE of a class to its specification.
8622 (gen_struct_or_union_type_die): Use 'complete' consistently.
8623 (gen_decl_die): Generate the virtual context DIE first.
8624 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8626 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8628 * config/mips/mips.md (call_value_multiple_interanal1): New.
8630 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8632 * dwarf2out.c (free_AT, free_die): New fns.
8633 (remove_children): Call them.
8634 (output_line_info): Disable removal of duplicate notes.
8636 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8637 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8638 means pretend the type isn't defined.
8639 Don't defer emitting types.
8640 (gen_type_die_for_member): New fn.
8641 (gen_decl_die): Call it.
8642 (splice_child_die): New fn.
8643 (gen_member_die): Call it rather than generate duplicate dies.
8645 Defer emitting information for the abstract instance of an inline
8646 until we either inline it or emit an out-of-line copy.
8647 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8648 from output_inline_function if DECL_ABSTRACT is also set.
8649 (block_ultimate_origin): Likewise.
8650 (gen_abstract_function): New fn.
8651 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8652 (gen_subprogram_die): An abstract instance is not a declaration
8653 just because it doesn't match current_function_decl. Don't abort
8654 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8655 has an abstract origin.
8656 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8657 abstract instance here.
8659 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8661 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8662 where we need to reload fpul from a system register.
8664 1999-11-24 Andreas Jaeger <aj@suse.de>
8666 * config/mips/linux.h (CPP_PREDEFINES): Added.
8667 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8669 1999-11-24 Andreas Jaeger <aj@suse.de>
8671 * config/mips/linux.h (TARGET_VERSION): Added.
8672 (HANDLE_SYSV_PRAGMA): Added.
8673 (DEFAULT_VTABLE_THUNKS): Added.
8675 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8677 * local-alloc.c (qty): New structure and static variable.
8678 (qty_phys_reg): Remove, all references changed to qty.
8679 (qty_n_refs): Likewise.
8680 (qty_min_class): Likewise.
8681 (qty_birth): Likewise.
8682 (qty_death): Likewise.
8683 (qty_size): Likewise.
8684 (qty_mode): Likewise.
8685 (qty_n_calls_crossed): Likewise.
8686 (qty_alternate_class): Likewise.
8687 (qty_changes_size): Likewise.
8688 (qty_first_reg): Likewise.
8689 (alloc_qty): Rename variable QTY to QTYNO.
8690 (finf_free_reg): Likewise.
8691 (local_alloc): Allocate qty, do not allocate the removed variables.
8693 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8695 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8696 when -membedded-pic is passed.
8698 * config/mips/mips.md (casesi): Handle 64-bit case too.
8699 (casesi_internal_di): New insn.
8701 * config/mips/mips.c (embedded_pic_offset): Always make the
8702 embedded-pic subtractions relative to the name of the current
8703 function by use of the magic string "..CURRENT_FUNCTION".
8704 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8706 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8708 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8709 of (const_int 0), when what we really care about is
8710 whether it's a zero constant anyway.
8711 (div_trap_mips16): Likewise.
8713 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8715 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8716 unroll_block_trees when generating debuggable code.
8718 * tree.h (unsave_expr_1): New function.
8719 (lang_unsave): New variable.
8720 (get_callee_fndecl): New function.
8721 * tree.c (unsave_expr_now_r): New function.
8722 (lang_unsave): Define.
8723 (unsave_expr_1): Likewise.
8724 (unsave_expr_now_r): Split out from unsave_expr_now.
8725 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8726 call unsave_expr_now_r.
8727 (get_callee_fndecl): Define.
8729 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8730 (gencheck.o): Do depend on lang_tree_files.
8732 * integrate.h (copy_decl_for_inlining): New declaration.
8733 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8734 (copy_decl_for_inlining): New function.
8735 (integrate_parm_decls): Use it.
8736 (integrate_decl_tree): Likewise.
8738 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8740 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8741 the second two from the first.
8742 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8743 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8744 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8746 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8747 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8750 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8752 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8753 needed on the address operand.
8754 * pa.c (call_operand_address): Check for the correct mode.
8756 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8758 * loop.c: Include "basic-block.h".
8759 (try_copy_prop, replace_loop_reg): New functions.
8760 (load_mems): Detect registers that just hold copies of the hoisted
8761 mem, and call try_copy_prop to eliminate them.
8762 * Makefile.in (loop.o): Update dependencies.
8764 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8766 * Makefile.in (gencheck.o): Depend on gencheck.h.
8767 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8768 (insn-peep.o): Depend on except.h and function.h.
8769 (insn-attrtab.o): Depend on RECOG_H.
8770 (insn-output.o): Depend on toplev.h and flags.h.
8771 (gengenrtl.o): Depend on real.h.
8772 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8773 Unify all dependencies to be on RECOG_H rather than recog.h.
8775 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8777 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8778 * configure.in: Try building a bi-arch 32/64-bit compiler on
8779 sparc-*-solaris2.7 and higher.
8780 * configure: Rebuild.
8782 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8784 * config/freebsd.h: New, FreeBSD architecture independent file.
8785 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8787 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8788 directly by i386/freebsd.h.
8789 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8790 independent configuration file.
8791 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8792 directly by i386/freebsd.h.
8793 * configure: Rebuilt.
8795 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8796 which is in the user's namespace.
8797 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8798 `i386' which is not in our namespace.
8800 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8802 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8804 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8806 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8807 (add_dwarf_attr, add_child_die): Just push onto the front.
8808 (reverse_die_lists): New fn.
8809 (add_sibling_attributes): Use it.
8810 (push_decl_scope): Reorganize.
8811 (add_name_and_src_coords_attributes): Don't set file and line for
8813 (gen_subprogram_die): An artificial function doesn't need to match
8815 (gen_compile_unit_die): Return the generated die. Only add
8816 AT_comp_dir if the filename is relative.
8817 (remove_AT): Simplify loop. Also free string values.
8818 (output_die): A DIE ref can't be null.
8819 (output_value_format, value_format): Take a dw_attr_ref.
8820 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8821 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8822 AT_addr, AT_lbl): New fns.
8823 (various): Use them.
8824 (various): Constify.
8826 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8828 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8829 take SUBREG_WORD into account.
8830 (if_then_else_cond): Likewise.
8832 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8834 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8835 clause from BSD license, pursuant with
8837 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8839 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8841 * loop.c (load_mems): Reformat slightly.
8842 * basic-block.h (regset_head): New typedef.
8843 (INIT_REG_SET): New macro.
8845 1999-11-22 Bruce Korb <autogen@linuxbox.com
8847 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8848 (mips-dec-bsd*): non-functional code
8849 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8851 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8852 added three replacement fixes
8853 (no_double_slash): removed comments that are not (any longer) pertinent
8854 (bad_lval): this fix currently runs against many files.
8855 The comment seems to indicate that we should select for files
8856 containing 'pragma extern_prefix'.
8858 * fixinc/fixinc.x86-linux-gnu: deleted
8859 * fixinc/inclhack.sh: regen
8860 * fixinc/fixincl.x: regen
8861 * fixinc/fixincl.sh: regen
8863 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8865 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8866 its code is INSN and it has no notes.
8868 1999-11-22 Andrew Haley <aph@cygnus.com>
8870 * varasm.c (function_defined): Remove.
8871 (make_function_rtl): Don't set function_defined.
8872 (make_decl_rtl): Remove global register warning.
8873 * regclass.c (no_global_reg_vars): New variable.
8874 (globalize_reg): Warn if function has already been defined.
8875 (regclass_init): Set no_global_reg_vars.
8877 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8879 * regclass.c (reg_pref): New structure and static variable
8880 (prefclass): Delete.
8882 (all uses of prefclass and altclass): Use reg_pref instead.
8884 1999-11-21 Nick Clifton <nickc@cygnus.com>
8886 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8888 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8889 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8890 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8892 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8894 * varasm.c (output_constructor): Solve problem with long long
8895 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8897 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8899 * global.c (allocno): New structure and static variable.
8900 (allocno_reg): Remove, all references replaced by allocno.
8901 (allocno_size): Likewise.
8902 (hard_reg_conflicts): Likewise.
8903 (hard_reg_preferences): Likewise.
8904 (hard_reg_copy_preferences): Likewise.
8905 (hard_reg_full_preferences): Likewise.
8906 (regs_someone_prefers): Likewise.
8907 (allocno_calls_crossed): Likewise.
8908 (allocno_n_refs): Likewise.
8909 (allocno_live_length): Likewise.
8910 (find_reg): Rename ALLOCNO to NUM.
8912 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8914 (may_move_out_cost): New variable.
8915 (init_reg_sets_1): Initialize may_move_out_cost.
8916 (record_reg_classes): Use may_move_out_cost.
8918 * regclass.c (dump_regclass): New function.
8919 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8920 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8921 pass rtl_dump_file to regclass.
8922 * rtl.h (regclass): Update prototype.
8924 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8926 * i386.md (neg, not and abs patterns): Revmap to use
8927 ix86_expand_unary_operator and ix86_unary_operator_ok.
8928 (add?f and sub?f expanders): Force operand 1 to register.
8929 * i386.c (ix86_expand_unary_operator): Rewrite.
8930 (ix86_unary_operator_ok): Ensure that memory operands
8932 (ix86_binary_operator_ok): Do not allow operand 1 to
8933 come into memory and operand 0 not.
8934 (ix86_expand_binary_operator): Ensure that
8935 src1 is not non-matching memory.
8937 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8938 to support integer registers and memory.
8939 (abss?2_integer): Likewise.
8941 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8942 (REG_CLASS_NAMES): Likewise.
8943 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8945 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8946 (movsf): Likewise; unify 4th and 5th alternative.
8948 (movdf_1): Likewise; rename to movdf_integer.
8949 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8950 remove redundant splitter.
8951 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8952 (movdf_nointeger): New.
8953 (movxf_nointeger): New.
8954 (pushxf_nointeger): New.
8956 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8957 memory operands in patterns.
8958 (fop*): Refuse two memory operands.
8960 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8961 on !TARGET_USE_CLTD CPUs.
8963 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8965 * extend.texi: Document C++ restricted pointers and references.
8967 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8969 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8970 (invalidate_skipped_set): Call it unconditionally.
8971 (cse_set_around_loop): Likewise.
8973 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8975 * rtl.texi (mem): Add documentation for alias-set argument
8978 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8980 * i386.h (struct_processor_costs): New fields int_load, int_store,
8981 fp_move, fp_load and fp_store
8982 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8984 (MEMORY_MOVE_COST): New macro.
8985 * i386.c (386_cost): Define new fields.
8986 (i486_cost): Likewise.
8987 (pentium_cost): Likewise.
8988 (pentiumpro_cost): Likewise.
8989 (k6_cost): Likewise.
8991 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8992 Geoffrey Keating <geoffk@cygnus.com>
8994 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8996 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8999 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
9000 (TARGET_STRICT_ALIGNMENT): New macro.
9001 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
9002 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
9003 * invoke.texi (M680x0 Options): Document -mstrict-align.
9005 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
9006 Richard Henderson <rth@cygnus.com>
9008 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
9009 (ix86_split_long_move): Declare.
9010 * i386.c (split_xf, ix86_split_movdi): Remove.
9011 (ix86_split_to_parts, ix86_split_long_move): New.
9012 * i386.md (dimode move splitters): Use ix86_split_long_move.
9013 (dfmode move splitters): Likewise.
9014 (xfmode move splitters): Likewise.
9015 (movsf_1): Allow F->r.
9016 (movdf_1, movxf_1): Allow F->ro.
9018 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9020 * except.h (struct eh_entry): Add goto_entry_p.
9021 (eh_region_from_symbol): Remove prototype.
9022 * except.c (find_func_region_from_symbol): New function.
9023 (emit_cleanup_handler): Likewise.
9024 (eh_region_from_symbol): Make it static.
9025 (add_new_handler): Verify the argument.
9026 (find_func_region): Update comment.
9027 (expand_eh_region_end): Expand handlers here, rater than waiting
9028 until expand_leftover_cleanups or start_all_catch.
9029 (expand_leftover_cleanups): Don't expand here.
9030 (expand_start_all_catch): Or here.
9031 (expand_rethrow): Check the return value from find_func_region.
9032 * function.c (expand_function_end): Emit the catch_clauses.
9034 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
9036 * integrate.c (expand_inline_function): Add necessary check for NULL.
9038 1999-11-18 Nick Clifton <nickc@cygnus.com>
9040 * toplev.c (main): Correctly detect an unrecognised option.
9042 * cppinit.c (cpp_handle_option): Do not claim to have consumed
9043 a -f option if it has not been recognised.
9045 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
9047 * basic-block.h (update_life_extent): Remove trailing comma on
9048 enumeration type list.
9050 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9052 * varasm.c (output_constructor) Solved problem with long long
9053 bitfields. Corrected calculating this_time and shift. Also
9054 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
9056 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
9058 * flow.c (split_edge): Take looping structure into account when
9059 determining where to put the new block note.
9061 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
9063 * Makefile.in (ggc-none.o): Provide host specific version if
9066 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
9068 * cse.c (delete_trivially_dead_insns): Identify no-op insns
9069 containing subregs too.
9071 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9073 * invoke.texi: Add documentation for -muninit-const-in-rodata.
9074 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
9075 (TARGET_UNINIT_CONST_IN_RODATA): Define.
9076 (text_section): Add switches -munint-const-in-rodata and
9077 -mno-uninit-const-in-rodata.
9078 (ASM_OUTPUT_COMMON): Remove.
9079 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
9080 const objects should be placed in read-only data. Otherwise declare
9083 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
9085 * jump.c (jump_optimize_1): Revert last change.
9087 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
9089 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
9090 test if optimizing for size.
9092 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9094 * Makefile.in (toplev.o): Depend on except.h.
9095 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
9097 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9099 * i386.md (divmodsi4): Rewrite to expander.
9100 (*divmodsi4_nocltd): New.
9101 (*divmodsi4_cltd): New.
9102 (divmodsi4 splitter): Handle the case when input comes in edx.
9103 (udivmodhi4): Do not use constraints in exander.
9104 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
9106 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
9108 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
9109 for the common case.
9111 1999-11-16 Jakub Jelinek <jakub@redhat.com>
9113 * explow.c (hard_function_value): Add outgoing argument.
9114 * expr.h (hard_function_value): Declare it.
9115 * calls.c (expand_call, emit_library_call_value): Update callers.
9116 * function.c (aggregate_value_p): Ditto.
9117 (diddle_return_value): Must look at the outgoing registers
9118 on archs with register windows.
9120 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
9122 * alpha.c (alpha_build_va_list): Use make_lang_type and
9123 initialize TYPE_NAME for the va_list record.
9125 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
9127 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
9129 * ggc.h (struct ggc_statistics): Rearrange elements for better
9130 packing on 64-bit hosts.
9131 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
9132 (compute_nearerout): Likewise.
9134 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
9136 * config/rs6000/rs6000.c (first_reg_to_save): Save
9137 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
9139 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
9141 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
9142 notion of nesting to find the DIE for a type or function.
9143 DIEs can go in limbo even if we got a context_die.
9144 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
9145 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
9147 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
9148 (gen_type_die): Writing out the context doesn't cause member class
9149 template instantiations to be written out as well.
9151 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
9153 * rs6000.h (ASM_OUTPUT_DEF): New.
9154 Based on proposed addition from David Edelsohn.
9156 1999-11-15 Robert Lipe <RobertLipe@usa.net>
9157 Bruce Korb <autogen@linuxbox.com>
9159 * fixinc/inclhack.def
9160 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
9161 (unixware7_byteorder_fix): added. Removes conflicts for new defs
9163 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
9164 (svr4_endian): enabled with SVR5
9165 (svr4_mkdev): simplified syntax and enabled with SVR5
9167 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
9169 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
9170 * configure: Rebuilt.
9171 * config/t-freebsd-thread: New file.
9173 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
9175 * i386.c (ix86_decompose_address): Verify the base is a REG
9176 before trying to examine its register number.
9178 * basic-block.h: Remove all #defines and prototypes related to
9180 (free_bb_mem, compute_preds_succs): Remove prototype.
9181 * rtl.h (free_bb_mem): Remove prototype.
9182 * flow.c (alloc_int_list_node); Remove function.
9183 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
9184 (compute_preds_succs, free_bb_mem): Likewise.
9185 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
9186 * toplev.c (rest_of_compilation): Likewise.
9187 * haifa-sched.c (build_control_flow): Use flow generated edge
9188 list to build the haifa specific edge list.
9189 (find_rgns): Use new CFG data structures instead of pred/succ lists.
9190 (schedule_insns): Do not build pred/succ lists anymore. Instead
9191 build the edge table.
9193 * basic-block.h (dump_bb_data): Remove declaration.
9194 * flow.c (dump_bb_data): Remove function.
9195 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
9196 (sbitmap_union_of_predsucc): Likewise.
9198 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
9199 argument. All callers changed.
9200 (delete_null_pointer_checks_1): No longer need to compute the
9203 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
9204 All callers changed.
9205 (pre_expr_reaches_here_p_work): Likewise.
9206 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
9207 * lcm.c (compute_laterin): Fix initialization of LATER.
9208 (compute_nearerout): Similarly for NEARER.
9210 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9212 * cse.c (set_nonvarying_address_components): Delete unused function.
9213 (refers_to_p): Likewise.
9215 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
9217 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
9220 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9222 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
9223 definition in do while (0).
9225 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
9227 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
9229 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
9231 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
9233 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
9235 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
9236 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
9237 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9238 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
9240 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
9241 saved on the stack. Output more accurate stack frame statistics
9242 into assembler file.
9244 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
9246 * genextract.c (record_insn_name): New function.
9247 (get_insn_name): No longer a stub.
9248 (main): Call record_insn_name for each insn. After each label
9249 written, print the insn name in a comment.
9251 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9253 * output.h (const_section, init_section, fini_section): Add
9256 * alpha/elf.h (const_section): Delete declaration.
9258 * svr4.h (const_section): Likewise.
9260 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
9262 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
9263 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
9264 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
9266 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
9267 variable-sized array bounds.
9269 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
9271 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
9274 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9276 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
9277 addresses the same way GO_IF_LEGITIMATE_INDEX does.
9279 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9281 * cse.c (hash_arg_in_struct): Delete.
9282 (struct table_elt): Delete elt in_struct.
9283 (struct set): Delete elt src_in_struct.
9284 (merge_equiv_classes): Don't set either hash_arg_in_struct or
9285 the corresponding in_struct elts.
9286 (canon_hash): Likewise.
9287 (safe_hash): Likewise.
9288 (find_best_addr): Likewise.
9289 (record_jump_cond): Likewise.
9290 (cse_insn): Likewise.
9292 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
9294 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
9296 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
9299 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
9301 * function.c (diddle_return_value): Put back check that the DECL_RTL
9302 for the function is a register.
9304 * function.c (diddle_return_value): Use hard_function_value to
9305 get an rtx suitable for use in the USE/CLOBBER insn.
9307 * global.c (global_conflicts): Update comments.
9308 (record_conflicts): No need to record conflicts between pseudos here.
9310 1999-11-11 Bruce Korb <autogen@linuxbox.com>
9312 * fixinc/fixincl.c: Added verbose levels for status messages
9314 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9316 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9317 operand as argument to expand_and or expand_binop.
9319 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9321 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9322 gcc_add_string_root.
9324 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9326 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9328 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9330 * flow.c (compute_flow_dominators): Initially put all blocks on
9332 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9333 * gcse.c (compute_cprop_avinout): Remove.
9334 (compute_cprop_data): Use compute_available.
9335 (delete_null_pointer_checks_1): Use compute_available.
9337 * basic-block.h (compute_available): Returns a void now.
9338 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9339 to return a value anymore.
9340 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9341 worklists. Fix boundary cases. Compute maximal solutions.
9342 (compute_laterin, compute_nearerout): Similarly.
9344 * dwarf2out.c (add_AT_location_description): Allow
9345 (mem (plus (pseudo) (...)) too.
9347 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9349 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9351 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9352 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9354 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9356 * gansidecl.h: Likewise.
9362 * toplev.h: Likewise.
9368 * varray.c: Likewise.
9370 * varray.h: Likewise.
9372 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9374 * gcov.c (struct arcdata): Add hits and total, remove prob.
9375 (output_branch_counts): New.
9376 (process_args): Set output_branch_counts if -c.
9377 (calculate_branch_probs): Store hits and total instead of
9379 (output_data): Emit counts if output_branch_counts is true.
9380 * gcov.texi (Invoking Gcov): Document -c switch..
9382 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9384 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9385 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9387 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9389 * invoke.texi (C Dialect Options): Add missing builtins from
9391 * extend.texi (Other Builtins): Copy to this list.
9393 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9395 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9396 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9399 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9401 * flow.c (compute_flow_dominators): No longer treat basic block 0
9402 or (n_basic_blocks - 1) specially. Clear the AUX field before
9403 starting computation of doms/pdoms. Fix initial state for pdoms.
9405 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9407 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9408 match rtl.o's: added ggc.h and toplev.h
9409 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9410 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9411 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9413 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9415 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9416 from HAVE_DOS_BASED_FILESYSTEM.
9417 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9418 HAVE_DOS_BASED_FILESYSTEM.
9420 (split_directories): Only special-case DOS file names if
9421 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9422 instead of explicit tests. Conditionalize on !VMS.
9423 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9424 tests. Conditionalize on !VMS.
9425 (process_command): Only use make_relative_prefix if !VMS.
9426 (free_split_directories): Conditionalize on !VMS.
9427 (DIR_UP): Conditionalize on !VMS.
9429 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9431 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9433 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9435 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9438 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9440 * invoke.texi (Environment Variables): Document relative path
9442 * gcc.c (DIR_UP): If not defined, define as "..".
9443 (standard_bindir_prefix): New static, holds target location to
9445 (split_directories): New function to split a filename into
9446 component directories.
9447 (free_split_directories): New function, release memory allocated
9448 by split_directories.
9449 (make_relative_prefix): New function, make a relative pathname if
9450 the compiler is not in the expected location.
9451 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9452 can figure out an appropriate prefix from argv[0].
9453 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9454 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9455 STANDARD_BINDIR_PREFIX.
9457 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9459 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9461 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9462 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9463 c4x_secondary_memory_needed) Delete.
9464 (fp_zero_operand): Add mode argument.
9466 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9468 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9469 that is in reload_reg_used.
9471 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9473 * config/arm/arm-protos.h: New file: Prototypes for functions
9474 defined in arm.c and pe.c.
9475 * config/arm/arm.h: Fix compile time warnings.
9476 * config/arm/arm.c: Fix compile time warnings.
9477 * config/arm/pe.h: Fix compile time warnings.
9478 * config/arm/aout.h: Fix compile time warnings.
9480 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9482 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9485 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9486 Add support for subtargets.
9487 Add prototypes for new predicates.
9488 Add scheduling macros.
9490 * config/m32r/m32r.c: Fix compile time warnings.
9491 (int8_operand): New predicate function.
9492 (reg_or_cmp_int16_operand): New predicate function.
9493 (extend_operand): New predicate function.
9494 (m32r_adjust_code): New scheduling function.
9495 (m32r_adjust_priorty): New scheduling function.
9496 (m32r_sched_init): New scheduling function.
9497 (m32r_sched_reorder): New scheduling function.
9498 (m32r_sched_variable_issue): New scheduling function.
9499 (direct_return): New codegen function.
9500 (m32r_not_same_reg): New rtl testsing function.
9502 * config/m32r/m32r.md: Fix compile time warnings.
9503 Add support for pre decrement and post increment memory
9508 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9510 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9511 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9512 (find_reg): Likewise.
9514 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9516 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9517 to avoid assembler errors.
9519 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9521 * config/v850/v850-protos.h: New file: Prototypes for functions
9523 * config/v850/v850.h: Move prototypes to v850-protos.h
9524 * config/v850/v850.c: Move prototypes to v850-protos.h
9525 * config/v850/v850.md: Fix compile time warnings.
9527 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9529 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9530 * config/fr30/fr30.c: Fix compile time warnings.
9531 * config/fr30/fr30.md: Fix compile time warnings.
9533 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9535 * tree.h (get_containing_scope): Declare it.
9536 * tree.c (get_containing_scope): New fucntion.
9537 (decl_function_context): Use it.
9538 * toplev.c (rest_of_compilation): Use get_containing_scope.
9540 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9542 * Makefile.in (rtl.o): Depend on toplev.h.
9544 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9546 * cse.c (delete_trivially_dead_insns): Replace alloca with
9548 * except.c (update_rethrow_references): Likewise.
9549 (init_eh_nesting_info): Likewise.
9550 * function.c (identify_blocks): Likewise.
9551 * gcse.c (dump_hash_table): Likewise.
9552 * graph.c (print_rtl_graph_with_bb): Likewise.
9553 * loop.c (combine_movables): Likewise.
9554 (move_movables): Likewise.
9555 (count_loop_regs_set): Likewise.
9556 (strength_reduce): Likewise.
9557 * profile.c (compute_branch_probabilities): New function, split
9559 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9560 * regclass.c (regclass): Likewise.
9561 * regmove.c (regmove_optimize): Likewise.
9562 * toplev.c (compile_file): Likewise.
9563 (main): Don't mess with the stack rlimit.
9565 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9567 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9568 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9570 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9572 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9574 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9576 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9577 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9580 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9582 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9584 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9586 * gcse.c (post_dominators): Kill.
9587 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9588 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9589 pass in a pdom array since we do not need pdoms.
9590 * haifa-sched.c (schedule_insns): Similarly.
9591 * flow.c (compute_dominators): Remove dead function.
9592 (compute_flow_dominators): Do not compute doms or pdoms if the
9593 caller does not request them. Split up loop to build doms and
9594 pdoms. Use a worklist to compute doms and pdoms.
9595 * basic-block.h (compute_dominators): Remove prototype.
9597 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9599 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9600 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9601 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9602 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9603 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9604 (schedule_region): Remove unused variable.
9605 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9607 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9609 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9610 (update_equiv_regs): Likewise.
9611 (block_alloc): Likewise.
9612 * reg-stack.c (reg_to_stack): Likewise.
9613 (convert_regs_2): Likewise.
9614 * reload1.c (reload_as_needed): Likewise.
9616 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9618 * Makefile.in (dbxout.o): Depend on ggc.h.
9619 (dwarf2out.o): Likewise.
9620 (xcoffout.o): Likewise.
9621 * dbxout.c: Include ggc.h.
9622 (dbxout_init): Register lastfile as a root.
9623 * dwarf2out.c: Include ggc.h.
9624 (dwarf2out_line): Register lastfile as a root.
9625 * xcoffout.c: Include ggc.h.
9626 (xcoffout_source_line): Register xcoff_lastfile as a root.
9628 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9630 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9632 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9634 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9636 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9638 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9640 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9641 (EXECUTE_IF_CONFLICT): Likewise.
9642 (ALLOCNO_LIVE_P): Avoid signed division.
9643 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9644 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9645 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9647 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9649 * haifa-sched.c (schedule_block): Don't crash if there's no
9650 next insn for an interblock movement.
9651 (add_branch_dependences): Don't allow clobber insns to move either.
9653 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9655 * i386.c (split_xf): New.
9656 * i386-protos.h: Declare it.
9657 * i386.md (movxf_1): Add general regs alternatives.
9658 (movxf_1+1): New splitter for same.
9660 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9662 * function.c (purge_addressof_1): Add missing return values.
9664 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9666 * function.c (is_addressof): New function. Returns true if
9667 the given piece of RTL is an ADDRESSOF.
9668 (purge_addressof_1): Make boolean. Return false if the
9669 ADDRESSOFs could not be purged.
9670 (purge_addressof): If ADDRESSOFs could not be purged from the
9671 notes attached to an insn, remove the offending note(s),
9672 unless they are attached to a libcall.
9674 1999-11-05 Andreas Jaeger <aj@suse.de>
9676 * genoutput.c (null_operand =): Initialize all fields.
9678 * errors.h: Add extern to prototypes.
9680 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9682 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9683 * configure: Rebuilt.
9685 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9687 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9688 (mirror_conflicts): New function.
9689 (global_alloc): Call it.
9690 (expand_preferences): Remove redundant CONFLICTP test.
9691 (find_reg, dump_conflicts): Likewise.
9692 (prune_preferences): Process conflicts one word at a time.
9694 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9696 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9697 instead of an explicit loop.
9699 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9701 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9702 if REG_RETVAL check succeeds, then put classp in src_elt.
9704 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9706 * function.c (pad_to_arg_alignment): Only update argument_pad
9707 if the argument's alignment is greater than STACK_BOUNDARY.
9709 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9711 * bitmap.h (BITMAP_XFREE): New.
9712 * flow.c (life_analysis): Use it.
9713 (life_analysis_1): Free blocks.
9715 * combine.c (undo_commit): New.
9716 (try_combine): Use it. Don't zap undobuf.undos.
9717 (combine_instructions): Don't zap undobuf.undos; free the
9720 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9722 * stmt.c (cost_table_): New.
9723 (estimate_case_costs): Use it instead of xmalloc.
9725 * toplev.c (compile_file): Reuse dumpname memory instead
9728 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9730 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9731 after verifying an EH edge.
9733 * haifa-sched.c (init_rgn_data_dependences): Correctly
9734 size bb_pending_lists_length when zeroing.
9736 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9738 * function.c (diddle_return_value): New.
9739 (expand_function_end): Use it.
9740 * stmt.c (expand_null_return): Likewise.
9741 (expand_value_return): Likewise.
9743 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9745 * reload1.c (reload): Don't remove return value clobbers.
9747 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9749 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9751 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9753 * cse.c (cse_main): Use xmalloc, not alloca.
9754 (cse_basic_block): Likewise.
9755 * local-alloc.c (local_alloc): Likewise.
9757 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9758 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9760 * rtl.c: Include toplev.h.
9761 (fatal): Remove declaration.
9763 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9765 * haifa-sched.c (schedule_block): Fix thinko.
9767 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9769 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9770 S_IR* defined values
9772 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9774 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9775 call `malloc' instead.
9777 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9779 * flags.h (flag_renumber_insns): Declare.
9780 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9782 * rtl.h (renumber_insns): Change prototype.
9783 * toplev.c (flag_renumber_insns): Define.
9784 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9786 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9788 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9789 and fpsqrtd. Use them and create fdiv function unit to more
9790 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9791 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9793 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9795 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9797 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9798 insn into ready list, do not use just a raw swap.
9800 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9802 * rtl.h (renumber_insns): New function.
9803 (remove_unnecessary_notes): Likewise.
9804 * emit-rtl.c (renumber_insns): Define.
9805 (remove_unncessary_notes): Likewise.
9806 * toplev.c (rest_of_compilation): Remove dead code.
9807 Use renumber_insns and remove_unncessary_notes.
9809 * gcse.c (struct null_pointer_info): New type.
9810 (get_bitmap_width): New function.
9811 (current_block): Remove.
9812 (nonnull_local): Likewise.
9813 (nonnull_killed): Likewise.
9814 (invalidate_nonnull_info): Take a null_pointer_info as input.
9815 (delete_null_pointer_checks_1): New function.
9816 (delete_null_pointer_checks): Use it.
9818 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9819 (split_edges): Likewise.
9820 (schedule_block): Likewise.
9821 (compute_block_backward_dependencies): Likewise.
9822 (schedule_region): Likewise.
9823 (schedule_insns): Likewise.
9825 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9827 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9828 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9829 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9830 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9831 * jump.c (delete_unreferenced_labels): Don't delete if
9832 LABEL_ALTERNATE_NAME is set.
9833 * print-rtl.c (print_rtx): Dump alternate name.
9834 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9835 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9836 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9837 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9839 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9841 * fix-header.c (recognized_extern, recognized_function): Constify
9844 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9845 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9846 (compute_available): Remove unused variable `last'.
9847 (compute_nearerout): Remove unused variable `temp_bitmap'.
9848 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9849 Remove unused variable `x'.
9851 * scan.h (recognized_function, recognized_extern): Constify a
9854 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9856 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9858 * varasm.c (decode_rtx_const): Use XSTR to access the string
9861 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9863 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9865 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9867 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9869 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9871 * pa.c (ireg_operand): New function.
9872 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9873 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9874 Fix out of date comment.
9876 * pa.md (negdi2): Turn into expander + anonymous pattern.
9878 * reload.c (find_reloads): Fix typos in recent change.
9880 * dwarf2out.c: Do not include ctype.h.
9882 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9884 * regclass.c (record_reg_classes): Always use may_move_cost when
9885 seeing how operand fits with various register classes.
9887 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9889 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9890 * toplev.c: Revert Nov 1 13:22 change.
9892 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9894 * config/pa/pa.md (height reduction patterns): Add checks for
9895 overlapping operands to avoid semantic-destroying splits for
9896 height reduction patterns.
9898 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9900 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9901 have been an hyphen, fixed.
9902 * configure: Rebuilt.
9904 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9906 * config/arm/tpe.h: Add prototypes for exported functions.
9907 * config/arm/pe.c: Fix compile time warnings.
9908 * config/arm/semi.h: Fix compile time warnings.
9909 * config/arm/arm.c: Fix compile time warnings.
9910 * config/arm/arm.h: Fix compile time warnings.
9911 * config/arm/arm.md: Fix compile time warnings.
9912 * config/arm/thumb.c: Fix compile time warnings.
9913 * config/arm/thumb.h: Fix compile time warnings.
9914 * config/arm/thumb.md: Fix compile time warnings.
9916 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9918 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9921 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9922 completely unrolled.
9924 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9926 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9928 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9930 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9931 * rtl.h (rtx_equal_p): Move prototype.
9932 * rtl.c (rtx_equal_function_value_matters): Move from
9934 (rtx_equal_p): Likewise.
9935 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9936 (rtx_equal_p): Likewise.
9938 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9940 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9943 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9945 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9947 * pa.h (ADDR_VEC_ALIGN): Define.
9949 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9950 notes when presented with "if (foo) break; end_of_loop" and
9951 the break sequence gets moved out of the loop.
9953 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9954 Remove explicit zero initializations of entries within MAP.
9956 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9958 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9960 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9962 * bitmap.h (BITMAP_XMALLOC): New macro.
9963 * flow.c (CLEAN_ALLOCA): Remove.
9964 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9965 (life_analysis): Likewise.
9966 (update_life_info): Don't use CLEAN_ALLOCA.
9967 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9968 (calculate_global_regs_live): Likewise.
9969 (print_rtl_with_bb): Likewise.
9970 (verify_flow_info): Likewise.
9971 * global.c (global_alloc): Likewise.
9972 (global_conflicts): Likewise.
9973 * integrate.c (save_for_inline_nocopy): Likewise.
9974 (expand_inline_function): Likewise.
9975 * jump.c (jump_optimize_1): Likewise.
9976 (duplicate_loop_exit_test): Likewise.
9977 (thread_jumps): Likewise.
9978 * loop.c (loop_optimize): Likewise.
9979 (combine_givs): Likewise.
9980 (recombine_givs): Likewise.
9981 * reorg.c (dbr_schedule): Likewise.
9982 * unroll.c (unroll_loop): Likewise.
9984 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9986 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9988 * toplev.c (rest_of_compilation): Don't optimize the CFG
9989 when rebuilding, just before dbr.
9991 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9993 * output.h (assemble_end_function, assemble_destructor,
9994 assemble_constructor, assemble_gc_entry, assemble_global,
9995 assemble_label, output_constant_pool) Constify a char*.
9997 * varasm.c (assemble_destructor, assemble_constructor,
9998 assemble_gc_entry, assemble_end_function, assemble_global,
9999 assemble_label, output_constant_pool): Likewise.
10001 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
10003 * config/arm/thumb.c (thumb_expand_prologue): Add comments
10004 explaining what is goin on in this function.
10006 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10008 * regclass.c (record_reg_classes): In matching case, recompute
10009 costs since the direction of movement is different.
10011 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10013 * resource.c (mark_target_live_regs): For unconditional branches,
10014 the resources found at the branch target should be added to the
10015 resources found so far, not intersected.
10017 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
10019 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
10021 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
10022 (sys/mman.h): Include this file only if #HAVE_MMAP.
10023 (run_compiles): Initialize `esac_fmt' with one old KR string, not
10024 with automatically concatenated ANSI strings.
10026 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
10028 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
10029 (DIV_ROUND_UP): Robustify.
10030 (ggc_recalculate_in_use_p): New function.
10031 (release_pages): Don't inline it.
10032 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
10034 (ggc_pop_context): Use ggc_recalculate_in_use_p.
10035 (clear_marks): Always save in_use_p.
10036 (sweep_pages): Use ggc_recalculate_in_use_p.
10037 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
10038 Release pages before counting statistics.
10040 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
10042 * toplev.c (rest_of_compilation): Fix thinko in this change:
10044 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10046 (rest_of_compilation): If inside an inlined external function,
10047 pretend we are just being declared.
10049 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
10051 * flow.c (calculate_global_regs_live): Fix thinko.
10053 * integrate.c (expand_inline_function): Fix bugs in previous
10054 change from Oct 28, 1999.
10056 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
10058 * stmt.c (expand_value_return): Fix typo in this change:
10060 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10061 (expand_value_return): Correctly convert VAL when promoting function
10062 return; support RETURN_REG being a PARALLEL.
10064 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
10066 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
10068 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10070 * hard-reg-set.h (reg_names): Constify a char*.
10072 * regclass.c (reg_names): Likewise.
10074 * regs.h (reg_names): Likewise
10076 * a29k/a29k.c (reg_names): Delete declaration.
10078 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
10080 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
10081 arc_output_function_epilogue): Likewise.
10083 * elxsi/elxsi.c (reg_names): Likewise.
10085 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
10087 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
10090 * m88k/m88k.c (output_function_profiler): Likewise.
10092 * sparc/sparc.c (sparc_flat_output_function_prologue,
10093 sparc_flat_output_function_epilogue): Likewise.
10095 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
10097 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
10098 warning from -Wuninitialized and put it under -W.
10099 * function.c (uninitialized_vars_warning): Warn only when the
10100 corresponding flag is set.
10102 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
10104 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
10105 is nonzero and the single set does not have an elt, then assign
10108 * simplify-rtx.c: New file.
10109 * Makefile.in (OBJS): Add simplify-rtx.o
10110 (simplify-rtx.o): Add dependencies.
10111 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
10112 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
10113 (cse_gen_binary, simplify_unary_operation): Delete.
10114 (simplify_binary_operation, simplify_plus_minus): Likewise.
10115 (check_fold_consts, simplify_relation_operation): Likewise.
10116 (simplify_ternary_operation): Likewise.
10117 (delete_trivially_dead_insns): Simplify the contents of the
10118 REG_EQUAL note before trying to substitute it into the source
10119 of the reg-reg copy at the end of a libcall sequence.
10121 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
10122 references/callers changed.
10124 * mn10200.c (mn10200_va_arg): Force the return value into a
10127 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
10129 * cccp.c (macroexpand): Avoid out of range accesses for omitted
10132 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
10134 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
10136 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
10138 * fold-const.c (fold): Fix thinko when optimizing comparisons
10141 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
10143 * gcc.texi (Passes): Update front-end files to their current
10146 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
10148 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
10149 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
10150 (PREDICATE_CODES): Add addition_operation.
10151 * alpha-protos.h (addition_operation): Declare.
10152 (secondary_reload_class): Likewise.
10153 * alpha.c (addition_operation): New.
10154 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
10155 * alpha.md (adddi3): Turn into expander.
10156 (*lda, *adddi_2): New.
10157 (movsf, movdf patterns): Don't preference integer regs.
10158 (movsi, movdi patterns): Don't preference fp regs.
10160 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
10162 * genrecog.c (write_switch): Check for duplicate CODE cases.
10164 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
10166 * ggc-common.c: Update pre-function commentary.
10167 * ggc-page.c: Likewise.
10169 (poison_pages): Use memset directly.
10170 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
10171 (ggc_collect): Poison before sweeping.
10172 * ggc-simple.c: Update pre-function commentary.
10173 (ggc_alloc_obj): Poison non-zeroed memory.
10175 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
10177 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
10178 match format string, even on 64-bit hosts.
10179 * gcc-page.c (ggc_page_print_statistics): Likewise.
10181 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
10183 * config/i386/i386.c (ix86_cpu): Revert last patch.
10184 * config/i386/i386.h (ix86_cpu): Ditto.
10186 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
10188 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
10189 TYPE_SIZE, convert type of result to sizetype.
10191 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
10193 * flow.c (count_or_remove_death_notes): Equate NULL with the
10196 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
10197 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
10200 * i386.c (pic_label_no): Delete.
10201 (ix86_attr_length_default): Don't use single_set to peek
10204 * recog.c (peephole2_optimize): Allow recog_next_insn to index
10205 the first insn after bb->end.
10206 * i386.md (push mem peeps): Scratch is live after evaluation
10208 (cmp mem peep): Similarly.
10210 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
10212 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
10213 * function.c (pad_to_arg_alignment): Add missing braces.
10215 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10217 * alpha/alpha-protos.h (literal_section): Add prototype.
10218 (alpha_need_linkage, alpha_start_function,alpha_end_function):
10221 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
10223 (alpha_start_function, alpha_end_function, float_strings,
10224 alpha_need_linkage): Constify a char*
10226 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
10228 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
10230 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10232 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10234 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * flow.c (debug_flow_info): Add prototype.
10238 * gcc.c (main): Likewise.
10240 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
10243 * reload1.c (failed_reload, set_reload_reg): Likewise.
10245 * mips-tfile.c (main): Likewise.
10246 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
10247 with ATTRIBUTE_NORETURN.
10249 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
10251 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
10252 DECL is not a memory ref.
10254 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
10256 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
10257 * config/i386/i386.c (ix86_cpu): Add extern attribute.
10259 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
10261 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
10262 * config/mips/elf64.h: ditto.
10264 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
10266 * expr.c (emit_push_insn): New argument alignment_pad.
10267 Update all callers. Adjust stack pointer based on alignment pad.
10268 * function.c (pad_to_arg_alignment): New argument alignment_pad.
10269 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
10270 (locate_and_pad_parm): New argument alignment_pad. Update all
10272 * expr.h (emit_push_insn): Update prototype.
10273 (locate_and_pad_parm): Update prototype.
10274 * calls.c (arg_data): Add new field alignment_pad.
10275 (initialize_argument_information): Initialize alignment_pad.
10277 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
10279 * except.c (free_eh_nesting_info): Free the info itself.
10280 * function.c (free_after_compilation): Don't free NULL.
10281 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
10282 (pre_edge_insert): Free inserted.
10283 * stmt.c (free_stmt_status): Don't free NULL.
10285 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10287 * gcov.c (DIR_SEPARATOR): Provide default.
10288 (output_data): Add test for MS-DOS format absolute filename.
10289 (fancy_abort): Correct program name.
10290 (open_files): Open all files in binary mode.
10291 * libgcc2.c (__bb_exit_func): Likewise.
10293 * profile.c (init_branch_prob): Specify binary when opening files.
10295 * flags.h (flag_unwind_tables): New decl.
10296 * toplev.c (flag_unwind_table): New definition.
10297 (f_options): Add -funwind-tables.
10298 (decode_g_option): Clarify warning when unknown -g option is given.
10299 (rest_of_compilation): If inside an inlined external function,
10300 pretend we are just being declared.
10302 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
10303 (dwarf2out_frame_finish): Likewise.
10305 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
10307 * fold-const.c (merge_ranges): If not in0, but in1, handle
10308 upper bounds equal like subset case.
10310 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
10312 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
10313 passed in a register but moved to the stack.
10315 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10317 * gcc.c (pass_exit_codes, greatest_status): New variables.
10318 (struct option_map): Add entry for "--pass-exit-codes".
10319 (execute): Update greatest_status if error.
10320 (display_help): Add documentation for -pass-exit-codes.
10321 (process_command): Handle -pass-exit-codes.
10322 (main): Look at pass_exit_codes and greatest_status on call to exit.
10324 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10326 * reload.c (find_reloads): Refine test for no input reload
10327 case to not includes reloads emitted after insn.
10329 * function.c (find_temp_slots_from_address): Handle sum involving
10330 a register that points to a temp slot.
10331 (update_temp_slot_address): Make recursive call if both old and
10332 new are PLUS with a common operand.
10333 * calls.c (expand_call): Mark temp slot for result as having
10336 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10338 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10339 component as well as "BINUTILS".
10341 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10342 * integrate.c (copy_rtx_and_substitute): Likewise.
10343 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10344 All callers changed.
10345 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10347 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10348 gdb extensions, write size of type; also be more consistent
10349 in using references when this is a subtype.
10351 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10352 that is out of range.
10354 * loop.c (unknown_constant_address_altered): New variable.
10355 (prescan_loop): Initialize it.
10356 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10357 (invariant_p, case MEM): Remove handling for volatile and readonly;
10358 check new variable if readonly.
10359 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10361 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10362 (addr_affects_sp_p): Removed from note_mem_written and only
10363 define #ifdef AUTO_INC_DEC.
10365 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10367 * regclass.c (record_reg_classes): Properly handle register move
10370 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10371 Don't think valid if both operands are invalid.
10372 (struct constant_descriptor): New field RTL.
10373 (mark_const_hash_entry): Mark it.
10374 (record_constant{,_rtx}): Initialize it.
10375 (output_constant_def): Allocate RTL in permanent obstack and
10377 ({record,compare}_constant_1): Modes must match for
10378 CONSTRUCTOR of ARRAY_TYPE.
10380 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10381 * output.h (initializer_constant_valid_p): Move decl to here.
10382 * c-common.c (initializer_constant_valid_p): Delete function from here.
10383 * varasm.c (initializer_constant_valid_p): Move function to here.
10385 * tree.h (STRIP_SIGN_NOPS): New macro.
10386 * fold-const.c (optimize_minmax_comparison): New function.
10387 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10388 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10389 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10390 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10391 widening conversions.
10392 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10393 to look at size of mode, not precision of type; also add missing cases.
10394 (optimize_bit_field_compare, decode_field_reference): Don't try to
10395 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10397 * dwarf2out.c (ctype.h): Include.
10398 (dwarf2out_set_demangle_name_func): New function.
10399 (size_of_line_info): Deleted.
10400 (output_line_info): Compute size of line info table from difference
10402 (base_type_die, add_name_attribute): Call demangle function, if any.
10403 (field_byte_offset): Use bits per word for variable length fields.
10404 (gen_array_type_die): Add array name.
10405 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10406 (dwarf2out_add_library_unit_info): New function.
10408 * explow.c (set_stack_check_libfunc): New function.
10409 (stack_check_libfunc): New static variable.
10410 (probe_stack_range): Allow front-end to set up a libfunc to call.
10412 * combine.c (simplify_comparison): When making comparison in wider
10413 mode, check for having commuted an AND and a SUBREG.
10414 (contains_muldiv): New function.
10415 (try_combine): Call it when dividing a PARALLEL.
10416 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10417 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10419 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10420 use one of the CLOBBERs instead.
10421 (if_then_else_cond): If comparing against zero, just return thing
10424 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10425 Don't generate shifts and subtract if have conditional arithmetic.
10427 * rtl.h (delete_barrier): New declaration.
10428 * jump.c (jump_optimize): Set up to handle conditional call.
10429 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10430 (delete_barrier): New function.
10432 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10434 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10436 * tree.c (build_type_attribute_variant): Push to obstack of
10437 ttype around type_hash_canon call.
10439 * expr.c (placeholder_list): Move decl to file scope.
10440 (expand_expr): Don't force access to volatile just because its
10442 If ignoring reference operations, just expand the operands.
10443 (expand_expr, case COMPONENT_REF): Propagate
10444 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10445 Refine test for using bitfield operations vs pointer punning.
10446 (expand_expr, case CONVERT_EXPR): If converting to
10447 BLKmode UNION_TYPE from BLKmode, just return inner object.
10448 Use proper mode in store_field call.
10449 Properly set sizes of object to store and total size in store_field
10450 call for convert to union.
10451 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10452 memory (like for ADDR_EXPR). Also, don't put constant in register if
10453 we'll want it in memory.
10454 (readonly_fields_p): New function.
10455 (expand_expr, case INDIRECT_REF): Call it if LHS.
10456 (expand_assignment): Handle a RESULT_DECL where
10457 DECL_RTL is a PARALLEL.
10458 (do_jump, case WITH_RECORD_EXPR): New case.
10459 (get_inner_reference): Always go inside a CONVERT_EXPR
10460 and NOP_EXPR if both modes are the same.
10461 (store_field): Use bitfield operations if size of bitsize is not same
10462 as size of RHS's type.
10463 Check for bitpos not a multiple of alignment in BLKmode case.
10464 Do block move in largest possible alignment.
10465 (store_constructor): Set BITSIZE to -1 for variable size and properly
10466 in case of array of BLKmode.
10467 (expand_expr_unaligned): New function.
10468 (do_compare_and_jump): Call it.
10470 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10471 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10472 does not include 'o'.
10474 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10475 both SET_DEST and SET_SRC reference a virtual register.
10476 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10478 * integrate.c (expand_inline_function): Handle case of setting
10479 virtual stack vars register (from built in setjmp); when parameter
10480 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10481 (subst_constant): Add new parm, MEMONLY.
10482 (expand_inline_function, integrate_parm_decls): Pass new parm.
10483 (integrate_decl_tree): Likewise.
10484 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10485 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10486 (copy_rtx_and_substitute, case SET): Add explicit calls to
10487 copy_rtx_and_substitute for both sides.
10489 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10491 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10492 within INDEX_TYPE, instead of before.
10493 (fixup_gotos): Use f->target_rtl, not the next insn,
10494 since latter may be from a later fixup.
10495 (expand_value_return): Correctly convert VAL when promoting function
10496 return; support RETURN_REG being a PARALLEL.
10497 (expand_return): When checking for result in regs and having
10498 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10500 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10502 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10503 last_nominal_fname): Mark const.
10504 (struct include_hash: name, nshort, control_macro): Mark
10506 (struct macrodef: symnam): Mark const.
10507 (struct if_stack: fname): Mark const.
10508 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10509 (IStable): New character-syntax array which encompasses all
10510 the old is_foo arrays.
10511 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10512 is_space): New macros for interrogating IStable.
10513 (check_macro_name): Kill last argument. All callers changed.
10515 * cppinit.c (initialize_char_syntax): Delete.
10516 (is_idchar, is_idstart, is_hor_space, is_space,
10517 trigraph_table): Delete.
10518 (IStable): New. Initialize with clever macros to avoid
10519 information duplication.
10520 (builtin_array): Table of builtins to get rid of explicit list
10521 in initialize_builtins.
10522 (initialize_builtins): Use builtins_array.
10523 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10524 opts->dollars_in_ident.
10526 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10528 (cpp_parse_expr): Avoid 'format string is not constant'
10529 warning. Use ISGRAPH to identify printable chars.
10530 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10532 (read_and_prescan): Map trigraphs to chars with open-coded
10533 if-else-if-... sequence, not a lookup table.
10534 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10536 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10537 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10538 (check_macro_name): Remove ability to report an invalid
10539 assertion name, which is never used.
10540 (do_line): Constify a couple of char *'s.
10541 * cppmain.c (main): Call cpp_cleanup before returning.
10543 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10545 * ggc.h (struct ggc_statistics): New type.
10546 (ggc_get_size): New function.
10547 (ggc_print_statistics): Likewise.
10548 * ggc-common.c (ggc_stats): New variable.
10549 (ggc_mark_rtx_children): Keep statistics.
10550 (ggc_mark_tree_children): Likewise.
10551 (ggc_print_statistics): New function.
10552 * ggc-page.c (struct globals): Add bytes_mapped field.
10553 (alloc_anon): Update it.
10554 (release_pages): Likewise.
10555 (ggc_get_size): New function.
10556 (ggc_page_print_statistics): New function.
10557 * ggc-simple.c (ggc_get_size): New function.
10559 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10561 * flow.c (propagate_block): When the last reference to a label
10562 before an ADDR_VEC is deleted because the reference is a dead
10563 store, delete the ADDR_VEC.
10565 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10567 * resource.c (find_free_register): Don't use the frame pointer
10568 if frame_pointer_needed.
10570 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10572 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10573 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10575 * config/i960/i960.c (i960_va_start): New locals base, num.
10576 Use INDIRECT_REF instead of ARRAY_REF on valist.
10577 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10579 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10581 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10583 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10585 * tree.def (PLACEHOLDER_EXPR): Update comments.
10587 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10589 * c-common.c (check_format_info): Avoid non-literal format string
10590 warnings when `first_arg_num' is zero.
10592 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10594 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10596 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10598 * arm.md (casesi_insn): Add a clobber of the condition code
10601 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10603 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10604 used by both cc1 and cc1plus.
10606 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10608 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10609 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10610 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10611 to the value 32 if it has not already been defined.
10612 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10613 Override definition in arm.h with a value of 8.
10615 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10617 * c-pragma.c (push_alignment): Don't check the return value
10620 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10622 * sparc.h (ADJUST_COST): Fix thinko.
10624 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10626 * cccp.c (rescan): Fixed obp pointer handling around call to
10627 check_expand subroutine.
10629 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10631 * gcse.c (delete_null_pointer_checks): Only record non-null info
10632 for pseudos when examining stores.
10634 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10635 splitters for these patterns. Use "#" for output templates.
10636 (addsi3_carryin_shift): New pattern.
10638 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10640 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10641 of the function return register into a plain REG until
10642 after function inlining is done.
10644 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10646 * jump.c (jump_optimize_1): If we did cross-jumping, and
10647 the data will matter, rebuild the CFG.
10648 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10649 not optimizing. Don't run shorten_branches.
10650 * toplev.c (rest_of_compilation): Run shorten_branches after
10653 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10655 * rtl.h (note_stores): Add additional paramter.
10656 * rtlanal.c (reg_set_p_1): Take additional paramter.
10657 (reg_set_last_1): Likewise.
10658 (reg_set_p): Adjust call to note_stores.
10659 (reg_set_last): Likewise.
10660 (note_stores): Pass data parameter to worker function.
10661 * alias.c (record_set): Take additional parameter.
10662 (init_alias_analysis): Pass it.
10663 * caller-save.c (mark_set_regs): Take additional parameter.
10664 (save_call_clobbered_regs): Pass NULL to note_stores.
10665 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10667 (record_dead_and_set_regs_1): Likewise.
10668 (reg_dead_at_p_1): Likewise.
10669 (combine_instructions): Adjust calls to note_stores.
10670 (try_combine): Likewise.
10671 (record_dead_insn): Remove.
10672 (record_dead_and_set_regs): Adjust calls to note_stores.
10673 (reg_dead_at_p): Likewise.
10674 * cse.c (invalidate_skipped_set): Take additional parameter.
10675 (cse_check_loop_start): Likewise.
10676 (cse_check_loop_start_value): Remove.
10677 (cse_set_around_loop): Adjust calls to note_stores.
10678 * flow.c (notice_stack_pointer_modification): Take additional
10679 parameter. Remove duplicate declaration.
10680 (record_volatile_insns): Adjust calls to note_stores.
10681 * gcse.c (record_set_info): Take additional parameter.
10682 (record_last_set_info): Likewise.
10683 (invalidate_nonnull_info): Likewise.
10684 (record_set_insn): Remove.
10685 (compute_sets): Adjust calls to note_stores.
10686 (last_set_insn): Remove.
10687 (compute_hash_table): Adjust calls to note_stores.
10688 (insert_insn_end_bb): Likewise.
10689 (delete_null_pointer_checks): Likewise.
10690 * global.c (mark_reg_store): Take additional parameter.
10691 (mark_reg_clobber): Likewise.
10692 (reg_becomes_live): Likewise.
10693 (global_conflicts): Adjust calls to note_stores.
10694 (build_insn_chain): Likewise.
10695 * integrate.c (note_modified_parmregs): Take additional parameter.
10696 (mark_stores): Likewise. Make it static.
10697 (save_for_inline_nocopy): Adjust calls to note_stores.
10698 (try_constants): Likewise.
10699 * integrate.h (mark_stores): Remove declaration.
10700 * jump.c (mark_modified_reg): Take additional parameter.
10701 (thread_jumps): Adjust calls to note_stores.
10702 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10704 (no_equiv): Likewise.
10705 (reg_is_set): Likewise.
10706 (validate_equiv_mem): Adjust calls to note_stores.
10707 (update_equiv_regs): Likewise.
10708 (block_alloc): Likewise.
10709 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10710 (note_addr_stored): Take additional parameter.
10711 (note_set_pseudo_multiple_uses): Likewise.
10712 (record_initial): Likewise.
10713 (prescan_loop): Adjust calls to note_stores.
10714 (strength_reduce): Likewise.
10715 (check_dbra_loop): Likewise.
10716 * regmove.c (flags_set_1): Take additional paramter.
10717 (mark_flags_life_zones): Adjust calls to note_stores.
10718 * reload1.c (mark_not_eliminable): Take additional parameter.
10719 (forget_old_reloads_1): Likewise.
10720 (reload_cse_invalidate_rtx): Likewise.
10721 (reload_cse_check_clobber): Likewise.
10722 (reload_combine_note_store): Likewise.
10723 (move2add_note_store): Likewise.
10724 (reload): Adjust calls to note_stores.
10725 (reload_as_needed): Likewise.
10726 (emit_reload_insns): Likewise.
10727 (reload_cse_regs_1): Likewise.
10728 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10729 (reload_combine): Adjust calls to note_stores.
10730 * resource.c (update_live_status): Take additional paramter.
10731 (mark_target_live_regs): Adjust calls to note_stores.
10732 * stupid.c (find_clobbered_regs): Take additional parameter.
10733 (stupid_life_analysis): Adjust calls to note_stores.
10735 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10737 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10740 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10743 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10744 of the variable arm_structure_size_boundary.
10746 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10748 * alias.c (init_alias_analysis): Allocate reg_known_value and
10749 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10751 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10752 * cse.c (cse_main): Call end_alias_analysis.
10753 * haifa-sched.c (schedule_insns): Likewise.
10754 * local-alloc. (update_equiv_regs): Likewise.
10755 * reload1.c (reload_cse_regs): Likewise.
10757 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10759 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10760 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10761 mapping from MASK_FPU.
10763 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10765 * sparc.md (call): Don't bound structure return size to 0xfff.
10767 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10769 * resource.c (mark_target_live_regs): Check that the target
10770 insn wasn't created after compute_bb_for_insn.
10772 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10774 * ggc-page.c (poison_pages): Don't be overzealous.
10776 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10778 * alias.c: Update comments for ADDRESS.
10779 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10780 it is a local memory reference.
10782 * c-typeck.c (build_function_call): Check that the built-in
10783 function is of class BUILT_IN_NORMAL before trying to recongize
10784 it as BUILT_IN_ABS.
10785 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10786 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10788 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10790 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10792 (pre_gcse): Likewise.
10793 (hoist_expr_reaches_here_p): Likewise.
10794 (hoist_code): Likewise.
10795 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10797 (pre_expr_reaches_here_p_work): ... here.
10798 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10800 (expr_reaches_here_p_work): ... here.
10802 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10804 * resource.c (find_basic_block): Delete.
10805 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10806 (init_resource_info): Call compute_bb_for_insn.
10808 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10810 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10811 with already adjacent blocks, but no fallthru.
10812 (merge_blocks_move_successor_nojumps): Simplify.
10813 (debug_flow_info): New.
10815 * toplev.c (rest_of_compilation): Open jump1 dump file before
10816 jump and close after, as opposed to just using dump_rtl.
10818 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10820 * reload.h (earlyclobber_operand_p): Declare.
10821 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10822 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10823 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10824 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10826 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10827 Richard Henderson <rth@cygnus.com>
10829 * emit-rtl.c (emit_block_insn_before): New.
10830 (emit_block_insn_after): New.
10831 * basic-block.h: Declare them.
10833 * bitmap.h: Protect from multiple inclusion.
10835 * recog.c (scratch_operand): Handle VOIDmode correctly.
10837 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10839 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10840 * function.c (assign_parms): Likewise.
10841 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10843 * reg-stack.c (max_uid): Remove.
10844 (blocks, block_begin, block_end, block_drops_in): Remove.
10845 (block_stack_in, block_out_reg_set, block_number): Remove.
10846 (struct block_info_def, BLOCK_INFO): New.
10847 (enum emit_where): New.
10848 (current_block): New.
10849 (BLOCK_NUM): Remove.
10850 (mark_regs_pat, record_label_references): Remove.
10851 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10853 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10854 (reg_to_stack): Simplified test for existance of fp code. Use
10855 flow.c code. Call shorten_branches after cross-jump opt.
10856 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10857 Return false if the asm doesn't use stack regs. Don't do life
10858 analysis on the asm.
10859 (emit_pop_insn): Replace function pointer arg `when' with
10860 enum `where'. Update all callers.
10861 (change_stack): Likewise. Update basic block end.
10862 (emit_swap_insn): Use current_block->head to limit reverse search
10863 for start of block. Use emit_block_insn_after.
10864 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10865 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10866 structure assignment instead of bcopy.
10867 (print_stack): New.
10868 (convert_regs_entry, convert_regs_exit): New.
10869 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10870 Work on basic blocks and the CFG.
10871 (convert_regs): Use them.
10873 * i386.c (output_fix_trunc): Remove code for DImode input operand
10874 not at top-of-stack.
10875 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10877 (fix_truncdi_1): Allow any mode scratch.
10879 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10881 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10882 * linux.h, netbsd.h, vms.h: Not here.
10884 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10886 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10887 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10888 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10889 CONDITIONAL_REGISTER_USEAGE): Use them.
10890 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10891 gen_conditional_branch,override_options) : Use them.
10892 * config/mips/mips.md : Use them.
10894 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10896 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10898 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10900 * integrate.c (function_cannot_inline_p): Don't allow inlining
10903 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10905 * c-parse.in (cast_expr): Constify.
10907 * cccp.c (special_symbol): Likewise.
10909 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10911 * dwarf2out.c (base_type_die): Likewise.
10913 * global.c (allocno_compare): Likewise.
10915 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10917 * regclass.c (fix_register): Likewise.
10919 * rtl.h (fix_register): Likewise.
10921 * stupid.c (stupid_reg_compare): Likewise.
10923 * toplev.c (decode_f_option): Likewise.
10925 * tree.c (build_complex_type): Likewise.
10927 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10929 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10931 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10933 * reload.c (find_reloads): Compute mode and nregs fields of all
10935 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10936 (calculate_needs): Use precomputed mode/nregs values.
10937 (allocate_reload_reg): Likewise.
10939 (failed_reload, set_reload_reg): ... new functions.
10940 (choose_reload_regs_init): New function, mostly broken out from...
10941 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10942 Also lose one #if 0 block.
10944 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10946 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10949 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10951 * tree.h (BLOCK_TYPE_TAGS): Remove.
10952 (BLOCK_END_NOTE): Likewise.
10953 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10954 (BLOCK_LIVE_RANGE_START): Likewise.
10955 (BLOCK_LIVE_RANGE_END): Likewise.
10956 (tree_block): Remove live_range_flag, live_range_var_flag, and
10957 type_tags. Remove end_note, live_range_start, and live_range_end.
10958 (remember_end_note): Remove prototype.
10959 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10960 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10962 * ggc-common.c (ggc_mark_tree_children): Don't mark
10963 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10964 * integrate.c (adjust_copied_decl_tree): Remove.
10965 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10966 * stmt.c (last_block_end_note): Remove.
10967 (init_stmt): Don't add a GC root for it.
10968 (expand_fixup): Don't set it.
10969 (remember_end_note): Remove.
10970 (expand_end_bindings): Don't set last_block_end_note.
10972 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10974 * reload1.c (reload_reg_free_for_value_p): Show
10975 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10978 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10980 * expmed.c (extract_bit_field): Allow for the case of non-integer
10981 objects that are smaller than a word (like SFmode on a 64-bit
10984 * loop.c (basic_induction_var): A non-integer variable which is
10985 being set by a paradoxical subreg is probably not a biv.
10987 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10989 * prefix.c (translate_name) Check for empty prefix string.
10991 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10993 * Makefile.in (CPP_CROSS_NAME): New variable.
10994 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10996 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10997 names of the files to be uninstalled.
10999 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
11001 * collect2.c (IS_DIR_SEPARATOR): Define.
11002 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
11004 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
11007 * haifa-sched.c (add_dependence): Update the true dependency
11008 cache the first time we add a true dependence to the LOG_LINKS chain.
11010 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
11012 * fold-const.c (fold): Fix comment.
11014 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11016 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
11017 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
11018 dbxout_start_new_source_file, dbxout_source_file,
11019 dbxout_source_line, dbxout_finish, dbxout_type_fields,
11020 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
11022 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
11023 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
11024 (dbxout_block): Initialize variable `blocknum'.
11026 * dbxout.h (dbxout_init, dbxout_finish,
11027 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
11028 dbxout_args, dbxout_source_line): Constify a char*.
11030 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
11031 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
11032 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
11033 low_pc_attribute, high_pc_attribute, body_begin_attribute,
11034 body_end_attribute, comp_dir_attribute, sf_names_attribute,
11035 src_info_attribute, mac_info_attribute, producer_attribute,
11036 lookup_filename, generate_macinfo_entry, fundamental_type_code,
11037 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
11038 dwarfout_undef): Constify a char*.
11039 (add_incomplete_type, retry_incomplete_types): Add prototypes.
11041 * dwarfout.h (dwarfout_define, dwarfout_undef,
11042 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
11044 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
11046 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
11047 (MULTILIB_ISA_DEFAULT): New.
11048 (MULTILIB_DEFAULTS): Use it.
11049 * config/mips/mips.c (): Remove the now unnecessary definition
11050 of MIPS_ISA_DEFAULT.
11051 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
11052 unnecessary definition.
11054 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
11056 * arm.md (pic_load_addr): Add constraints to operand 1.
11058 1999-10-25 Bruce Korb <autogen@linuxbox.com>
11060 * fixinc/genfixes: Provide a means for specifying -D options to
11063 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
11065 * arm.c (arm_override_options): Correct initialization of
11066 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
11067 arm_is_strong, and arm_is_6_or_7.
11069 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
11070 (note_set_pseudo_multiple_uses): New function.
11071 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
11072 if a pseudo set in the loop exit is used elsewhere.
11074 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
11076 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
11078 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
11080 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
11081 a single load-address pattern.
11083 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
11085 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
11086 depending on whether or not line-number notes are present.
11088 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11090 * cccp.c (progname, file_buf, default_include, include_file,
11091 macrodef, definition, hashval, wchar_type, user_label_prefix,
11092 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
11093 expand_to_temp_buffer, is_system_include, base_name,
11094 absolute_filename, read_name_map, open_include_file,
11095 record_control_macro, check_precompiled, check_preconditions,
11096 pcfinclude, pass_thru_directive, create_definition,
11097 check_macro_name, comp_def_part, collect_expansion,
11098 check_assertion, read_token_list, assertion_install,
11099 assertion_lookup, eval_if_expression, conditional_skip,
11100 validate_else, skip_quoted_string, quote_string, macarg1,
11101 error_from_errno, install, lookup, hashf, dump_defn_1,
11102 perror_with_name, pfatal_with_name, main, trigraph_pcp,
11103 check_white_space, rescan, handle_directive, monthnames,
11104 special_symbol, do_include, remap_include_file, write_output,
11105 arglist, do_assert, do_unassert, do_line, do_error, do_once,
11106 do_ident, do_sccs, do_xifdef, skip_if_group,
11107 output_line_directive, macroexpand, macarg, change_newlines,
11108 initialize_builtins, make_definition): Constify a char*.
11110 * pcp.h (stringdef): Likewise.
11112 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
11114 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
11117 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
11118 Richard Henderson <rth@cygnus.com>
11120 * alias.c: Include ggc.h.
11121 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
11122 (record_set): Verify enough room in reg_base_value.
11123 (init_alias_analysis): Allocate reg_base_value with xcalloc.
11124 Register it as a GC root.
11125 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
11126 * Makefile.in (alias.o): Depend on ggc.h.
11128 * unroll.c (unroll_loop): Verify the insn before a barrier
11129 is a JUMP_INSN before checking JUMP_LABEL.
11131 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11133 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
11134 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
11135 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
11136 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
11137 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
11138 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
11140 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11142 * output.h (ctors_section, dtors_section, bss_section): Prototype.
11144 * alpha/alpha-interix.h (text_section): Delete prototype.
11145 * alpha/elf.h (text_section): Likewise.
11146 * arm/linux-elf.h (text_section): Likewise.
11147 * arm/linux-telf.h (text_section): Likewise.
11148 * c4x/c4x.h (text_section): Likewise.
11149 * dsp16xx/dsp16xx.h (bss_section): Likewise.
11150 * elfos.h (text_section): Likewise.
11151 * i386/aix386ng.h (text_section): Likewise.
11152 * i386/i386-interix.h (text_section): Likewise.
11153 * i386/sco5.h (text_section): Likewise.
11154 * i386/svr3gas.h (text_section): Likewise.
11155 * nextstep.h (text_section): Likewise.
11156 * psos.h (text_section): Likewise.
11157 * ptx4.h (text_section): Likewise.
11158 * svr3.h (text_section): Likewise.
11159 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
11161 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11163 * final.c (peephole): Delete prototype.
11165 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
11166 (pre_insert_copies): Remove unused variable `bb'.
11168 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
11171 * output.h (peephole): Add prototype.
11173 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
11175 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
11178 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
11180 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
11181 for inlined declarations.
11183 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
11185 * arm.c (logical_binary_operator): New fucntion.
11186 * arm.h (logical_binary_operator): Declare it.
11187 (PREDICATE_CODES): Handle logical_binary_operator.
11188 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
11189 output constraints. Add appropriate splitters.
11190 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
11191 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
11192 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
11194 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11196 * genoutput.c (struct operand_data): New elt eliminable.
11197 (output_operand_data): Write it.
11198 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
11199 (compare_operands): Take it into account.
11200 * recog.h (struct insn_operand_data): New elt eliminable.
11201 * reload1.c (check_eliminable_occurrences, elimination_effects): New
11203 (old_asm_operands_vec, new_asm_operands_vec): Delete.
11204 (eliminate_regs): Move code that detects changes to elimination
11205 target regs into new function elimination_effects.
11206 Delete one #if 0 block.
11207 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
11208 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
11209 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
11210 Only call eliminate_regs for real operands of the insn, not for parts
11211 of its structure or parts matched by things like match_operator.
11212 Use elimination_effects and check_eliminable_occurrences. Use
11213 copy_insn to duplicate the pattern when not in the final pass.
11215 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
11217 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
11220 1999-10-22 Bruce Korb <autogen@linuxbox.com>
11222 * fixinc/README: document the "mach" machine matching test
11223 * fixinc/fixfixes.c: Implement the #else/#endif label fix
11224 * fixinc/fixtests.c: Implement the #else/#endif label test
11225 * fixinc/inclhack.def: utilize these tests and fixes
11226 * fixinc/inclhack.sh: regen
11227 * fixinc/fixincl.x: regen
11228 * fixinc/fixincl.sh: regen
11230 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
11232 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
11235 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
11237 * gcc.1: Document exit codes.
11239 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11241 * calls.c: Include tm_p.h later, so everything we need is defined.
11242 * expr.c: Likewise.
11243 * function.c: Likewise.
11245 * except.c: Include tm_p.h.
11247 * sparc.c: Likewise.
11248 (dwarf2out_cfi_label): Don't prototype.
11249 (check_return_regs, epilogue_renumber,
11250 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11251 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
11252 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
11253 ultra_schedule_insn): Add static prototype.
11254 (data_segment_operand, text_segment_operand): Call itself with the
11255 proper number of arguments.
11256 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
11258 * sparc.h: Move all declarations to sparc-protos.h.
11259 (SELECT_RTX_SECTION): Pass a missing MODE argument to
11262 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
11264 * config/svr4.h (text_section, ctors_section, dtors_section): Add
11266 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
11267 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11268 ASM_OUTPUT_ASCII): Constify a char*.
11270 * sparc-protos.h: New file for sparc prototypes.
11272 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11274 * function.c (record_insns, contains): Always declare and define.
11275 (record_insns): Mark with ATTRIBUTE_UNUSED.
11277 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11279 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
11280 to .section when outputting a .bss section to deal with multiple
11281 .bss input sections (as happens with -fdata-sections)
11282 Also output %progbits, not @progbits so the assembler doesn't treat as
11284 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
11286 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
11287 thumb parts even when building with non-thumb CPUs, by forcing
11290 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
11292 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
11293 (movdf_const_intreg_sp64): Similarly.
11295 * local-alloc.c (update_equiv_regs): Check the correct insn
11296 for pre-existing REG_EQUIV notes.
11298 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
11300 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
11301 block reached by a branch if we're not going to actually process
11304 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
11306 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
11307 a local extern function declaration.
11309 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
11311 * i386.c (ix86_expand_prologue): Properly wrap USE around
11312 reg for CALL_INSN_FUNCTION_USAGE.
11314 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
11316 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11317 move between GP_REGs.
11319 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11321 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11322 the mode size when finding out if an offset is legal.
11324 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11326 * basic-block.h (PROP_*): Move constants from ...
11327 * flow.c: ... here.
11328 (compute_bb_for_insn): Free the array before reallocating.
11329 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11330 (allocate_reg_life_data): Reset all reg variables collected by
11332 (get_block_head_tail): Don't convert from bb to block.
11333 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11334 (find_insn_reg_weight): Take block not bb.
11335 (schedule_block): Don't set block num for moved insns.
11336 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11337 (schedule_insns): Do it here instead.
11338 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11339 before update_life_info.
11340 * recog.c (split_all_insns, peephole2_optimize): Update for
11341 new arg to update_life_info.
11342 * rtlanal.c (remove_note): Cope with NULL note.
11343 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11346 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11348 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11350 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11351 block records so that merge_blocks_nomove will clean up correctly.
11352 (split_edge): Handle casesi insns.
11354 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11356 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11358 * pa.md (call, call_value): Do not emit a blockage after restoring
11361 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11363 * c-typeck.c (c_expand_asm_operands): Fix typo.
11365 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11367 * arm.c (fpu_rhs_operand): Verify modes.
11368 (fpu_add_operand): Likewise.
11369 (di_operand): Likewise.
11370 (soft_df_operand): Likewise.
11372 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11374 * arm.c (arm_return_in_memory): APCS rules state that the elements
11375 of a structure returned in a register must be 'integer-like'.
11377 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11379 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11380 in the source tree when the generated targets are out of date
11381 * fixinc/genfixes: Alter it to run individual fixes for make.
11382 * fixinc/README: rewrite
11383 * fixinc/inclhack.def: moved initial comments to README
11385 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11387 * toplev.c (main): Do not generate an error message if an
11388 unrecognised command line switch is recognisable by another
11389 language. If extra_warnings are enabled, then generate a
11390 warning message instead.
11392 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11394 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11395 (insert_pack_attributes): Delete prototype.
11397 * c-pragma.c (default_alignment): New static variable.
11398 (push_alignment): Initialize to current effective alignment.
11399 (pop_alignment): Use to set new alignment.
11400 (insert_pack_attributes): Delete function.
11401 (handle_pragma_token): Set default_alignment as well each time
11402 a #pragma pack(<n>) is encountered.
11404 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11406 * reg-stack.c (stack_result): Aggregates are not returned in
11409 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11411 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11413 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11415 * basic-block.h (set_block_num): Declare.
11416 * flow.c (update_life_info): Don't call compute_bb_for_insn
11417 or free_basic_block_vars.
11418 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11419 (insn_orig_block): Remove.
11420 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11421 (schedule_block): Keep BLOCK_NUM up-to-date.
11422 (schedule_insns): Use compute_bb_for_insn.
11423 * recog.c (split_all_insns): Likewise.
11424 (peephole2_optimize): Likewise.
11426 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11428 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11429 if the pic register is used.
11431 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11433 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11434 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11435 if that tests TREE_PERMANENT.
11437 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11439 * cse.c (invalidate_for_call): Do not remove memory references from
11440 the table here. It's handled elsewhere.
11442 * haifa-sched.c (add_dependence): Protect references to the
11443 true dependency cache with #ifdef INSN_SCHEDULING.
11444 (remove_dependence): Similarly.
11446 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11447 to the cfg code that this is a return instruction.
11448 * mn10300.md (return_internal): Similarly.
11450 * combine.c (get_last_value): If the last set of a register
11451 is after subst_low_cuid, then we can not use it to determine
11452 the register's last value.
11454 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11456 * Makefile.in: Back out previous change.
11458 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11460 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11462 * haifa-sched.c (add_dependence): Only check/update the cache
11464 (remove_dependence): Likewise.
11465 (schedule_insns): Only create the true_dependency_cache if the
11466 average number of instructions in a basic block is very large.
11468 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11470 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11471 (ggc-simple.o): Likewise.
11472 (ggc-page.o): Likewise.
11474 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11476 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11477 Prototype for exported functions.
11478 (pre_lcm, pre_rev_lcm): Remove prototypes.
11479 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11480 (compute_available): Move to lcm.c, and change parameter order.
11481 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11482 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11483 (gcse_main): No longer call compute_preds_succs. Rebuild the
11484 set table after reach pre pass.
11485 (pre_insert_map, pre_delete_map, edge_list): New.
11486 (alloc_pre_mem): Allocate edge vectors.
11487 (free_pre_mem): Delete edge vectors.
11488 (compute_pre_data): Call new edge based lcm routines.
11489 (process_insert_insn): New function.
11490 (insert_insn_end_bb): Use it.
11491 (pre_edge_insert): New function.
11492 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11494 (pre_insert_copies): Revamp using new edge based lcm outputs.
11495 (pre_delete): Likewise.
11496 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11498 (compute_code_hoist_vbeinout): New new edge based routines.
11499 * lcm.c: Remove all the old LCM functions. Replace with new ones
11500 that work with the new cfg datastructures and work with edges
11503 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11505 * reload.h (struct reload): Add new fields "mode" and "nregs".
11506 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11507 to reference the "mode" and "nregs" field within struct reload.
11509 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11511 * haifa-sched.c (true_dependency_cache): New.
11512 (add_dependence): Use the true dependency cache to avoid expensive
11513 walks down the LOG_LINKS dependency list. Add entries to the
11514 cache as necessary.
11515 (remove_dependence): Remove entries from the true dependency cache
11517 (schedule_insns): Allocate and initialize and free the true
11520 * haifa-sched.c (schedule_insns): Do not remove inter-block
11521 dependencies anymore.
11523 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11525 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11526 * i386/t-winnt: Likewise.
11528 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11530 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11532 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11534 * Makefile.in (LANGUAGES): Omit "proto".
11535 (clean): Remove stale comment about removing unprotoize.c.
11537 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11539 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11540 using arithmetic on void pointers.
11542 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11544 * haifa-sched.c (compute_block_forward_dependencies): Only check
11545 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11547 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11549 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11550 (expr_equiv_p): Reject memories with different alias sets.
11552 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11554 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11555 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11556 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11557 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11558 (lang_init): Set default for flag_bounds_check if still "unspecified".
11560 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11562 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11564 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11566 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11569 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11571 * config/c4x/c4x.md (*db_noclobber,
11572 *decrement_and_branch_until_zero_noclobber): New patterns and
11573 associated splitters.
11575 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11577 * config/c4x/c4x.md (parallel instruction patterns): Rework
11578 constraints to keep reload happy.
11580 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11582 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11583 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11584 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11585 Add new patterns and associated post-reload splitters.
11587 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11589 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11591 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11593 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11595 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11597 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11599 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11602 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11604 * pa.c (move_operand): Rely on memory_address_p to determine the
11605 validity of non-indexed memory addresses.
11606 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11607 operand in DFmode and SFmode when generating PA2.0 code.
11609 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11611 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11613 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11615 * mips.c (function_prologue): Fix argument types.
11616 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11617 (casesi_internal): Write to the scratch register.
11619 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11621 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11623 (parse_charconst): Delete unnecessary cast when calling
11625 (cpplib.h): Kill prototype of cpp_parse_escape.
11627 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11629 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11630 * unroll.c (unroll_loop): Cast return value of alloca.
11631 * i370/i370.c: Include function.h and toplev.h.
11632 (i370_label_scan): Remove c++ commented abort.
11633 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11634 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11635 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11636 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11638 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11640 * config/t-freebsd: Do not override USER_H.
11641 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11643 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11644 Mumit Khan <khan@xraylith.wisc.edu>
11646 * c-parse.in (component_decl): Support anonymous struct/union.
11648 * c-parse.y: Regenerate.
11649 * c-parse.c: Likewise.
11650 * objc/objc-parse.y: Likewise.
11651 * objc/objc-parse.c: Likewise.
11652 * c-decl.c (finish_struct): Don't sort the fields.
11653 (field_decl_cmp): Delete unused function.
11655 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11657 * sparc.md (movsf_const_intreg): Revert last constraint change.
11658 (movdf_const_intreg_sp32): Likewise.
11660 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11662 * cse.c: Include hashtab.h instead of splay-tree.h
11663 (struct cse_reg_info): No longer use variant union. Add new
11664 field "regno". All references changed to avoid union.
11665 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11666 (free_cse_reg_info): Remove.
11667 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11668 (get_cse_reg_info): Revamp to use expandable hash tables instead
11669 of splay trees. Initialize new fields in cse_reg_info structure.
11670 (new_basic_block): Similarly.
11672 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11674 * genrecog.c (message_with_line): Prototype.
11675 (validate_pattern): Pass along the set for the dest, not a flag.
11676 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11677 Check for PC/CC0 as sources.
11678 (nodes_identical): Check for children position match before
11679 allowing the combination.
11681 * rtl.c (read_rtx): Track line number across \\\n.
11683 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11685 * mips.h (SPECIAL_MODE_PREDICATES): New.
11686 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11687 (movdi+1, movsi+1): Add output reload constraint.
11688 (casesi_internal): Likewise. Fix commentary.
11689 (return_internal): Use pmode_register_operand.
11691 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11693 * 1750a.md (movstrqi): Add missing output reload constraint.
11694 (call_value): Likewise.
11695 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11696 (jmpfdec): Add missing inout reload constraint.
11697 * elxsi.md (addsi patterns): Add missing output reload constraint.
11698 (move from sp): Use @ alternates.
11699 (call_value): No constraint on output.
11700 * fr30.md (movsi_pop): Add missing output reload constraint.
11701 (movsf_constant_store): Likewise.
11702 (splits): Remove constraints.
11703 (subsi3): Add missing mode.
11704 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11705 (call_value): Likewise.
11706 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11707 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11708 * m32r.md (movsicc_internal): Add output reload constraint.
11709 (movstrsi_internal): Add inout reload constraints.
11710 * m88k.h (reg_names): Don't declare.
11711 (SPECIAL_MODE_PREDICATES): New.
11712 * m88k.md (*): Use register_operand not reg_or_0_operand
11714 * mn10200.h (PREDICATE_CODES): New.
11715 * ns32k.md (ffs pattern): Add output reload constraint.
11716 * pdp11.md (sob pattern): Add inout reload constraint.
11717 * sh.md (splits): Remove constraints.
11718 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11719 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11720 * vax.md (jgequ pattern): Add inout reload constraint.
11722 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11724 * configure.in (djgpp): Revert previous patch.
11725 * configure: Rebuit.
11726 * config/i386/djgpp.h: Revert previous patch.
11728 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11730 * fixinc/inclhack.def: Restore patch lost during last merge of
11731 "no_bogosity" branch.
11732 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11734 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11736 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11737 * fixinc/inclhack.def: Same.
11738 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11740 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11742 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11743 as the base of a PLUS.
11745 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11747 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11748 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11750 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11752 * pa.md (post_stw+1): Use pmode_register_operand.
11753 (dcacheflush, icacheflush): Likewise.
11755 * i386.md (movstricthi_1): Allow r/r.
11757 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11759 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11760 to (not (and (arg0) (arg1))). Similary for and.
11762 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11763 fallthrough to associate code.
11764 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11767 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11768 no bits in common; remove XOR to ROTATE conversion.
11770 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11772 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11774 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11776 * config/c4x/c4x.c (dst_operand): New.
11777 (PREDICATE_CODES): Update.
11778 * config/c4x/c4x.h (dst_operand): Declare it.
11779 * config/c4x/c4x.md: Define mode for each unspec usage.
11780 (move patterns): Use dst_operand predicate instead of src_operand.
11781 (movqi_update, movqf_update): Delete.
11783 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11785 * recog.c (pmode_register_operand): New.
11786 * recog.h: Declare it.
11787 * genrecog.c (pred_codes): Likewise.
11788 (special_mode_pred_table): Likewise.
11789 (validate_pattern): Don't warn no mode for address_operand.
11791 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11792 if the operand is not insn-like.
11794 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11795 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11797 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11799 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11801 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11802 instead of general_operand in a SET_DEST. Use const_double_operand
11803 instead of an explicit test against CONST_DOUBLE.
11804 (movsf_const_lo): Add missing register mode.
11805 (goto_handler_and_restore): Add auxiliary test for Pmode.
11806 (flush): Adjust to use address_operand.
11807 (return_sf_no_fpu): Add missing output constraint.
11809 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11811 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11812 for call return value.
11813 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11815 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11817 * toplev.c (main): Only warn about options for other languages.
11818 * collect2.c (main): Pass -w to sub-gcc.
11820 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11822 * flow.c (propagate_block): Add call-clobbered registers to
11825 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11826 zapping mem_set_list.
11827 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11828 (mark_set_1, mark_used_regs): Likewise.
11830 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11832 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11834 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11836 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11837 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11838 options. Also add a new item "C-only Warning Options" to the
11841 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11843 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11844 from multiple calls.
11846 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11848 * i386.md (call value patterns): Move to the end of the file.
11849 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11851 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11853 * configure.in (djgpp configuration): Define extra_objects..
11854 * configure: Rebuilt.
11855 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11856 (DTORS_SECTION_ASM_OP): Define.
11857 (INIT_SECTION_ASM_OP): Define.
11858 (FINI_SECTION_ASM_OP): Define.
11859 (DATA_SECTION_ASM_OP): Define.
11860 (TEXT_SECTION_ASM_OP): Define.
11861 (EH_FRAME_SECTION_ASM_OP): Define.
11862 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11863 (STARTFILE_SPEC): Add crtbegin.o.
11864 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11865 to here from LINK_COMMAND_SPEC.
11866 (DO_GLOBAL_CTORS_BODY): Define.
11867 (CRTSTUFF_USE_FINI_SECTION): Define
11868 (HAS_INIT_SECTION): Delete.
11870 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11872 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11874 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11876 * pa.h (PREDICATE_CODES): New.
11878 * genrecog.c (validate_pattern): Condense the destination
11879 non-lvalue message.
11881 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11883 * alpha.md (call-1): Supply missing mode for operator.
11884 (*): Add missing output reload constraints. Remove constraints
11885 from define_splits.
11887 * i386.h (SPECIAL_MODE_PREDICATES): New.
11888 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11889 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11890 (addsi_lea_3): Add missing mode for op 3.
11891 (prologue_set_got, prologue_get_pc): Add missing modes.
11892 (*) Add missing output reload constraints.
11894 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11896 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11897 check for member bit-size overflow and use var_size if it occurs.
11898 (layout_record): Use bitsize_int() to define the type size in bits.
11899 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11900 (layout_decl): Likewise when assigning to DECL_SIZE.
11902 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11904 * genrecog.c (validate_pattern): Typo last change. Verify
11905 that output operands have output reloads.
11907 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11909 * genrecog.c (special_mode_pred_table): New.
11910 (NUM_SPECIAL_MODE_PREDS): New.
11911 (find_operand): New.
11912 (validate_pattern): New argument `insn'. Warn for assignment to
11913 any predicate accepting non-lvalues. Conditionaly warn for
11914 match_operand without a mode. Try much harder to match source
11915 and destination modes on a set.
11916 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11918 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11920 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11922 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11924 * combine.c (simplify_logical): Recognize xor pattern that encodes
11927 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11929 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11932 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11934 * ggc-page.c (MAP_FAILED): Provide default.
11936 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11938 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11939 * sparc.h (PREDICATE_CODES): Update.
11941 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11943 * alpha.c (some_ni_operand): New.
11944 * alpha-protos.h: Declare it.
11945 * alpha.h (PREDICATE_CODES): Update.
11946 * alpha.md (sXaddq reload insns): Use some_ni_operand
11947 for SET_DEST instead of some_operand.
11949 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11950 Jim Wilson <wilson@cygnus.com>
11952 * genrecog.c (maybe_both_true_2): Don't compare modes of
11954 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11955 after find_afterward.
11956 (debug_decision_1): Dump next and afterward codes.
11958 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11960 * rtl.c (dump_and_abort): Remove.
11961 (fatal_with_file_and_line): New.
11962 (fatal_expected_char): New.
11963 (read_rtx_lineno, read_rtx_filename): New.
11964 (read_skip_spaces): Track line number.
11965 (read_name): Use fatal_with_file_and_line.
11966 (read_rtx): Use fatal_expected_char. Track line number.
11967 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11969 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11970 if it isn't a CODE_LABEL.
11972 * genattr.c (main): Set read_rtx_filename.
11973 * genattrtab.c (main): Likewise.
11974 * gencodes.c (main): Likewise.
11975 * genconfig.c (main): Likewise.
11976 * genemit.c (main): Likewise.
11977 * genextract.c (main): Likewise.
11978 * genflags.c (main): Likewise.
11979 * genopinit.c (main): Likewise.
11980 * genoutput.c (main): Likewise.
11981 * genpeep.c (main): Likewise.
11983 * genrecog.c (decision_test.u.insn): Add `lineno'.
11984 (pattern_lineno, error_count): New variables.
11985 (message_with_line): New.
11986 (add_to_sequence): Break out checking code to ...
11987 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11988 (merge_insn): Use message_with_line.
11989 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11990 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11992 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11994 * expr.c (store_constructor): Clear union if constructor is empty.
11996 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11998 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11999 Add !endian checks. Change %{...} to %(...).
12001 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
12003 * i386.md (*addsi3_cc): Renamed from addcsi3.
12004 (*addsi3_carry): Renamed from addxsi3.
12005 (*subsi3_cc): Renamed from subcsi3.
12006 (*subsi3_carry): Renamed from subxsi3.
12007 (*xorqi_cc_1): Renamed from xorcqi_1.
12008 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
12009 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
12011 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
12013 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
12014 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
12016 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
12018 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
12019 climb up the chain of insns.
12021 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
12023 * genrecog.c (write_subroutine): Careful for null trees.
12024 (process_tree): Don't elide empty functions.
12026 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
12028 * Makefile.in (genrtl.o): Depend on ggc.h.
12029 * configure.in (valloc): Probe for it.
12030 (with-gc): Use ggc-page if valloc present.
12031 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
12032 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
12033 (ggc_alloc_string): Moved from ggc-page.c.
12034 * ggc-none.c (ggc_alloc_obj): New.
12035 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
12036 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
12037 (struct globals): Likewise for dev_zero_fd.
12038 (init_ggc): Likewise for it's initialization.
12039 (ggc_allocated_p): Move careful dereference from ...
12040 (ggc_lookup_page_table): ... here. Delete.
12041 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
12042 (alloc_anon): Use valloc if no mmap.
12043 (release_pages): Use free if using valloc.
12044 (ggc_alloc_obj): Renamed from alloc_obj.
12045 (ggc_set_mark): Renamed from mark_obj.
12046 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
12047 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
12048 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
12049 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
12050 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
12051 (ggc_collect): Use fp printing instead of our own rounding.
12052 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
12053 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
12054 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
12055 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
12056 (struct ggc_string, struct ggc_any): Delete.
12057 (offsetof): Provide default definition.
12058 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
12060 (struct ggc_mem): New, from corpse of ggc_any.
12061 (struct ggc_status): Delete.
12062 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
12063 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
12064 (n_strings_collected, n_anys_collected): Delete.
12065 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
12066 (ggc_alloc_string, ggc_alloc): Delete.
12067 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
12068 (ggc_free_string, ggc_free_any): Delete.
12069 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
12070 (ggc_compare_addresses, ggc_mark_string): Delete.
12071 (ggc_mark_string_if_gcable, ggc_mark): Delete.
12072 (search_data): Delete.
12073 (struct globals): New.
12074 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
12075 (tree_insert, tree_lookup): New.
12076 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
12077 (clear_marks, sweep_objs): New.
12078 (ggc_collect): Gut. Use clear_marks, sweep_objs.
12079 (init_ggc): Set allocated_last_gc.
12080 (ggc_push_context): Gut. Use G.context.
12081 (ggc_pop_context): Likewise.
12082 (ggc_pop_context_1): New.
12083 (debug_ggc_tree): New.
12084 (debug_ggc_balance, tally_leaves): New.
12085 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
12086 (ggc_mark_string_if_gcable): Remove decl.
12087 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
12088 (ggc_mark_rtvec_children): New.
12089 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
12090 (ggc_mark_if_gcable): New decl.
12091 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
12092 (ggc_alloc_tree, ggc_alloc): Likewise.
12093 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
12094 (ggc_alloc_obj): New decl.
12095 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
12096 (ggc_alloc_tree, ggc_alloc): Likewise.
12097 (ggc_set_mark): New decl.
12098 * rtl.h (struct rtx_def): Remove gc_mark.
12099 (struct rtvec_def): Likewise.
12100 * tree.h (struct tree_common): Likewise.
12102 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
12104 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
12105 float_format and thread_file definitions.
12106 * configure: Rebuilt.
12108 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
12110 * extend.texi (Function Names): Document types of function names.
12112 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12114 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12115 an earlyclobbered output conflict with RELOAD_INPUT reloads.
12117 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12119 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
12121 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12123 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
12125 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
12127 * collect2.c (main): Do prelimnary link on AIX if rflag.
12129 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12131 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
12132 __CTOR_LIST__ in opposite order, which is the correct order for sorted
12134 (__do_global_dtors): similarly for __DTOR_LIST__.
12136 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12137 Diego Novillo <dnovillo@cygnus.com>
12139 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
12142 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
12144 * fixincl/*: Merged "no_bogosity" branch
12145 * fixincl/fixlib.h: protect against doubly defining t_bool
12146 * fixincl/server.h: protect against doubly defining t_bool
12148 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
12150 * genoutput.c: Include toplev.h.
12152 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
12154 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
12156 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
12157 * configure: Regenerate.
12159 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12161 * gcse.c (delete_null_pointer_checks): Returns void.
12163 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12165 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
12166 * emit-rtl.c (copy_insn_1): Likewise.
12168 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12170 * config/mips/mips.c (mips_build_va_list): Correct
12171 TREE_CHAIN setting when hard-float.
12172 (mips_va_start): Use corrected setting.
12173 (mips_va_arg): Likewise. Also pass a tree to build of
12174 POSTINCREMENT_EXPR rather than a naked 'int'.
12176 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
12178 * ggc.h (ggc_push_context): Fix comment.
12179 (ggc_pop_context): Likewise.
12180 (mark_string_if_gcable): Likewise.
12181 * ggc-common.c (ggc_mark_rtx_children): Use
12182 ggc_mark_string_if_gcable.
12183 * ggc-page.c (ggc_lookup_page_table): New function.
12184 (ggc_allocated_p): Likewise.
12185 (mark_obj): Fix formatting.
12186 (ggc_mark_string_if_gcable): New function.
12187 * ggc-simple.c (ggc_allocated_strings): New variable.
12188 (ggc_strings_used): Likewise.
12189 (ggc_compare_addresses): New function.
12190 (ggc_pop_context): Pop the `any' memory too.
12191 (ggc_mark_string_if_gcable): New function.
12192 (ggc_collect): Initialize and tear down ggc_allocated_strings.
12194 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
12196 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
12197 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
12198 * rs6000.c (expand_block_move): Match movstrsi_?reg register
12201 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
12203 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
12204 (sched_reg_live_length, sched_reg_basic_block): Delete.
12205 (current_block_num, bb_live_regs, old_live_regs): Delete.
12206 (dead_notes, struct sometimes): Delete.
12207 (sched_note_set, birthing_insn_p): Delete.
12208 (adjust_priority): Gut useless reg lifetime code.
12209 (create_reg_dead_note, attach_deaths): Delete.
12210 (attach_deaths_insn, new_sometimes_live): Delete.
12211 (finish_sometimes_live): Delete.
12212 (find_pre_sched_live, find_post_sched_live): Delete.
12213 (update_reg_usage): Delete.
12214 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
12215 (schedule_insns): Delete reg lifetime code.
12216 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
12217 (unlink_other_notes): Adjust REG_NOTE commentary.
12218 (reemit_notes): Use REG_SAVE_NOTE.
12219 (schedule_block): Likewise.
12220 (schedule_region): Allocate bitmap of blocks in region. Use
12221 count_or_remove_death_notes. Use update_life_info.
12223 * rtl.h (REG_SAVE_NOTE): New.
12224 * rtl.c (reg_note_name): Update.
12226 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
12228 * combine.c (refresh_blocks, need_refresh): New.
12229 (combine_instructions): Allocate refresh_blocks. Invoke
12230 update_life_info if needed.
12231 (distribute_notes): Mark refresh_blocks instead of installing
12233 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
12234 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
12236 * Makefile.in (recog.o): Depend on basic-block.h.
12238 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
12240 * genrecog.c (add_to_sequence): Thinko last change: delete
12241 shadowing allow_const_int variable.
12243 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12245 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
12246 __GNUC__ and __GNUC_MINOR__.
12248 * gansidecl.h: Likewise.
12254 * toplev.h: Likewise.
12256 * tree.c: Likewise.
12258 * tree.h: Likewise.
12260 * varray.c: Likewise.
12262 * varray.h: Likewise.
12264 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12266 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
12267 use one before a jump table.
12269 * rtl.def (ADDRESS): Change documentation to match reality.
12270 * md.texi: Don't document it.
12271 * gmicro.md (load address pattern): Use 'p' constraint, delete use
12274 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
12276 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
12278 * genrecog.c (add_to_sequence): Move allow_const_int test outside
12279 known predicate block; default allow_const_int true.
12280 (debug_decision_list): New.
12282 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
12284 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
12286 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
12288 * gcse.c (gcse_main): Avoid global optimizations if we have a
12289 large number of basic blocks and the ratio of edges to blocks
12291 (delete_null_pointer_checks): Likewise.
12293 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
12295 * c-common.c (check_format_info): Warn if format string isn't a
12298 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12300 * configure.in (arm*-*-*): Don't let autoconf remove brackets
12301 * configure: regenerate
12303 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
12305 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
12306 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
12307 (peepholes): Re-enable.
12309 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
12311 * Makefile.in (flow.o): Depend on TREE_H.
12312 * basic-block.h (REG_SET_EQUAL_P): New.
12313 (XOR_REG_SET): New.
12314 (n_edges): Declare.
12315 (free_regset_vector): Remove declaration.
12316 (flow_delete_insn_chain): Declare.
12317 (enum update_life_extent): New.
12318 (update_life_info, count_or_remove_death_notes): Declare.
12319 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12320 Verify register live at bb->global_live_at_start before adding USE.
12321 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12322 (CLEAN_ALLOCA): New.
12324 (PROP_*): New flags.
12325 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12326 (clear_edges): Zero n_edges.
12327 (make_edge): Increment n_edges.
12328 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12329 (flow_delete_insn_chain): Export.
12330 (delete_block): Decrement n_edges.
12331 (merge_blocks_nomove): Likewise.
12332 (life_analysis): Give life_analysis_1 PROP flags.
12333 (verify_wide_reg_1, verify_wide_reg): New.
12334 (verify_local_live_at_start): New.
12335 (update_life_info): Rewrite to call into propogate_block.
12337 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12338 always mark stack pointer. Conditionally mark PIC register.
12339 After reload, mark call-saved registers, return regsiters.
12340 (life_analysis_1): Accept PROP flags not remove_dead_code.
12341 Call mark_regs_live_at_end before zeroing regs_ever_live.
12342 Use calculate_global_regs_live. Copy global_live_at_end before
12343 calling final propagate_block. Zero reg_next_use on exit.
12344 (calculate_global_regs_live): New.
12345 (allocate_bb_life_data): Don't allocate bb->local_set.
12346 (init_regset_vector, free_regset_vector): Remove.
12347 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12348 Test flags before every operation. Warn if prologue/epilogue insn
12349 would have been deleted.
12350 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12351 Use alloc_EXPR_LIST.
12352 (mark_used_regs): Accept and use FLAGS, not FINAL.
12353 Remove special handling for RETURN.
12354 (try_pre_increment): Use alloc_EXPR_LIST.
12355 (dump_flow_info): Dump n_edges.
12356 (unlink_insn_chain, split_hard_reg_notes): Remove.
12357 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12358 (find_insn_with_note, new_insn_dead_notes): Remove.
12359 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12360 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12361 (replace_insns): Remove.
12362 (count_or_remove_death_notes): New.
12363 (verify_flow_info): Abort on error after all checks.
12364 (remove_edge): Decrement n_edges.
12365 (remove_fake_edges): Tweek format.
12366 * haifa-sched.c (schedule_insns): Use split_all_insns.
12367 * output.h (update_life_info): Remove declaration.
12368 * recog.c (split_all_insns): From the corpse of split_block_insns,
12369 do the whole function block by block. Use update_life_info.
12370 (recog_last_allowed_insn): New.
12371 (recog_next_insn): Mind it.
12372 (peephole2_optimize): Set it. Walk backwards through blocks.
12373 Use update_life_info.
12374 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12375 (split_all_insns): Declare.
12376 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12377 Use split_all_insns.
12379 * i386.md (or -1 peep2s): Disable.
12381 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12383 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12384 a single pattern. Scrap the 'd' versions as unnecessary.
12386 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12387 tablejump_mips162,tablejump_internal4): The operands to a
12388 label_ref must be VOIDmode.
12390 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12392 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12394 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12396 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12398 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12400 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12401 cache every function if ggc_p.
12403 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12405 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12406 instead of copy_rtx. Accept sequences that contain asm statements.
12407 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12408 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12409 orig_asm_operands_vector, copy_asm_operands_vector,
12410 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12412 * rtl.h (copy_insn, copy_insn_1): Declare.
12414 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12416 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12418 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12419 arguments to `current_file_function_operand'.
12421 * genrecog.c: Include hard-reg-set.h and resource.h in the
12422 generated output file.
12424 * real.c: Include tm_p.h.
12426 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12428 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12431 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12433 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12434 before the fctiwz insn.
12436 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12437 Mark Mitchell <mark@codesourcery.com>
12439 * tree.c (make_lang_type_fn): New funtion pointer.
12440 (make_lang_type): Call it.
12441 * tree.h (make_lang_type): Declare.
12442 (make_lang_type_fn): Likewise.
12443 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12445 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12447 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12448 make sure that HIGH instructions are copied into BASE_REGS.
12450 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12452 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12454 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12456 * c-decl.c (finish_struct): Use simpler method of
12457 removing elements of a singly-linked list.
12459 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12461 * alpha.md (peephole2's): Comment out peephole2's that generate
12464 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12466 * genrecog.c (add_to_sequence): Disable mode check for
12469 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12471 * ggc-simple.c (init_ggc): Set empty_string.
12473 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12475 * configure.in: Detect mmap. Add --with-gc=foo to select
12476 garbage collector; default to page if mmap available.
12477 * Makefile.in (GGC): Substitute.
12479 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12481 * c-decl.c (ggc_p): Enable.
12483 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12485 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12487 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12489 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12490 string for little-endian-data.
12492 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12494 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12495 case somebody tries to compile --enable-checking code with gcc
12498 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12500 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12503 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12505 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12506 * jump.c (jump_optimize_1): Document why.
12508 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12510 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12511 pointers and casts for `int_handler' and `quit_handler'.
12513 * flow.c (verify_flow_info, split_hard_reg_notes,
12514 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12515 remove_edge, remove_fake_successors): Add static prototypes.
12516 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12517 (mark_set_1): Initialize variable `regno'.
12518 (unlink_insn_chain): Likewise for variable `curr'.
12519 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12521 * loop.c (strength_reduce): Initialize variable
12522 `unrolled_insn_copies'.
12523 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12524 prototypes. Change these functions to take const PTR parameters
12525 to avoid prototype conflict when used as the comparson argument
12527 (check_dbra_loop): Initialize variable `comparison_val'.
12529 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12530 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12531 (find_valid_class): Initialize variable `best_class'.
12532 (find_reloads): Call memcpy, not bcopy.
12534 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12535 (hard_reg_use_compare): Don't needlessly cast away const.
12536 (reload_reg_class_lower): Likewise.
12537 (choose_reload_regs): Initialize variable `regno'.
12539 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12541 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12543 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12545 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12546 ({,d}discard): Add forward declarations. Declare parameter as
12548 (main_without_main): Explicitly declare return type to be int.
12549 (memcpy): Properly declare.
12551 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12552 building the trampoline support, declare malloc, free, and
12554 (__clear_cache): Mark arguments as potentially unused.
12556 * frame.c (toplevel): If inhibit_libc is defined, declare
12559 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12561 * flow.c (make_edge): Accept an optional 2D bitmap in which
12562 to cache edge existence. Update all callers.
12563 (make_label_edge, make_eh_edge): Pass through the edge cache.
12564 (make_edges): Provide the cache.
12566 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12568 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12570 (local_mbtowc): Change the type of variable `i' from int to size_t.
12572 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12573 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12575 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12577 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12578 after other includes that define the appropriate types. Include
12579 tm_p.h for getting user prototypes.
12580 * ggc-callbacks.c (toplevel): Ditto.
12581 * ggc-none.c (toplevel): Ditto.
12582 * gcc-page.c (toplevel): Ditto.
12583 * ggc-simple.c (toplevel): Ditto.
12585 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12586 Jonathan Larmour <jlarmour@cygnus.co.uk>
12588 * config/mips/mips.c (mips_move_2words): Split doubles if
12589 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12591 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12593 * genrecog.c (struct decision_test): New.
12594 (struct decision): Remove test-related members, sort the rest by size.
12595 (IS_SPLIT): Simplify.
12596 (new_decision, new_decision_test): New.
12597 (add_to_sequence): Use them. No special handling for args of
12599 (maybe_both_true): Renamed from not_both_true; return sense changed.
12600 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12601 of maybe_both_true and adjusted for decision_test.
12602 (position_merit): Remove.
12603 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12604 (merge_accept_insn): New, broken out of merge_trees.
12605 (merge_trees): Use them. No special case for c_test; no node
12606 splitting; use test type instead of position_merit.
12607 (factor_tests): New.
12608 (simplify_tests): New.
12609 (break_out_subroutines): Don't write code now.
12610 (find_afterward): New.
12611 (write_afterward, write_switch, write_cond): New.
12612 (write_action, is_unconditional): New.
12613 (write_node): New. Use them.
12614 (write_tree_1): Rewrite. Use the new functions above.
12615 (write_tree): Remove afterward processing.
12616 (write_subroutine): Simplify function variant emission.
12617 (write_subroutines): New.
12618 (same_codes, clear_codes): Remove.
12619 (same_modes, clear_modes): Remove.
12620 (write_header): New, broken out of main.
12621 (make_insn_sequence): Use new_decision and new_decision_test.
12622 (process_tree): New, broken out of main.
12623 (main): Adjust for merge_trees interface change.
12624 Don't #define operands in the output file.
12625 (record_insn_name): New, broken out of make_insn_sequence.
12626 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12627 (debug_decision): New.
12629 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12631 * resource.c (find_free_register): Mark class_str argument const.
12632 * resource.h: Update prototype to match.
12634 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12635 * i386.md: Give all anonymous insns names.
12637 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12639 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12642 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12644 * toplev.c (dbr_sched_time): Unconditional.
12645 (peephole2_time): New.
12646 (compile_file): Add pass numbers to all of the dump file suffixes.
12647 Dump peephole2_time. Don't dump times for non-applicable passes.
12648 (rest_of_compilation): Add pass numbers to dump file suffixes.
12649 Conditionalize calls to the scheduler.
12650 * invoke.texi: Update.
12652 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12654 * flow.c (make_edges): Fix insn iteration.
12655 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12656 (find_basic_blocks_1): Fix spelling mistake.
12658 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12660 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12661 always have side-effects. Use memset not bzero.
12662 (make_node): Likewise.
12664 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12666 * stmt.c (expand_anon_union_decl): When any of the elements of the
12667 union is addressable, so is the entire union.
12669 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12671 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12673 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12674 * bitmap.c (bitmap_operation): Return true iff TO changed.
12675 (bitmap_equal_p): New.
12676 (bitmap_bit_p): Tidy arithmetic.
12677 (debug_bitmap_file): Likewise.
12679 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12681 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12682 before cse2 instead of after.
12684 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12686 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12689 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12691 * cppinit.c (is_idchar initializer): Loosen tests to accept
12694 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12696 * mips.md: Define conditional move patterns for floating point
12697 operands and DI mode conditions.
12699 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12701 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12702 always have side-effects.
12704 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12706 * mn10200.c (asm_file_start): Fix typo.
12708 * cppinit.c (is_idchar initializer): Tighten tests for when
12709 to put the table into initialized memory.
12711 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12712 not an array of rtunion.
12713 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12714 * gcc-simple (ggc_free_rtvec): Similarly.
12716 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12719 * mbchar.h: Add missing #endif.
12721 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12722 (FPBIT, DPBIT): Define.
12724 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12726 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12728 * profile.c (instrument_arcs, output_gcov_string,
12729 tablejump_entry_p): Add static prototypes.
12730 (output_gcov_string): Constify a char*.
12732 * regmove.c (replacement_quality, fixup_match_2): Add static
12735 * resource.h (reg_dead_p): Add extern prototype.
12737 * rtl.c (trim_filename): Add static prototype.
12739 * scan-decls.c (skip_to_closing_brace): Likewise.
12741 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12742 (expand_end_case): Initialize variable `range'.
12743 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12745 * varasm.c (asm_emit_uninitialised): Add static prototype.
12746 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12749 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12751 * cpplib.c (if_directive_nameo): Add static prototype.
12753 * cse.c (cse_insn): Remove unused variable `p'.
12755 * except.c (create_rethrow_ref, push_entry,
12756 receive_exception_label, new_eh_region_entry, find_func_region,
12757 clear_function_eh_region, process_nestinfo): Add static prototypes.
12758 (get_reg_for_handler): Hide definition.
12759 (process_nestinfo): Initialize variable `extra_handlers'.
12761 * expr.h (expand_builtin_longjmp): Add extern prototype.
12763 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12765 * function.c (prepare_function_start): Likewise.
12766 (pop_function_context_from): Mark parameter `context' with
12768 (push_temp_slots_for_block, flush_addressof): Hide definition.
12770 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12771 solve_program_flow_graph, calculate_branch_probs,
12772 function_summary, main, fancy_abort): Add prototypes.
12774 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12775 (add_hash): Constify a char*.
12777 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12778 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12779 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12781 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12783 * lists.c (free_list, zap_lists): Likewise.
12785 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12787 * alias.c (nonlocal_reference_p): Add static prototype.
12789 * bitmap.c (bitmap_element_allocate): Prototype args in function
12792 * builtins.c (stabilize_va_list): Add static prototype.
12793 (expand_builtin_va_arg): Constify a char*.
12795 * c-lex.c (getch, put_back, extend_token_buffer_to,
12796 read_line_number, token_getch, token_put_back): Add static
12799 * c-parse.gperf (hash, is_reserved_word): Likewise.
12801 * cccp.c (is_dir_separator): Likewise.
12803 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12805 * graph.h: New file to prototype functions exported by graph.c.
12807 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12809 * graph.c: Include graph.h.
12811 * toplev.c: Likewise. Remove redundant prototypes.
12813 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12815 * invoke.texi: Removed duplicated description for -Q.
12817 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12819 * extend.texi: Grammar fix in __extension__ text.
12821 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12823 * md.texi (define_peephole2): New section.
12825 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12827 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12828 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12831 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12833 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12835 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12837 * i386.md (ffs expander): Emit Pentium friendly code for
12840 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12842 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12844 (build1): Likewise.
12846 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12848 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12850 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12852 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12853 register is in use.
12855 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12857 * md.texi (No Constraints): Delete section.
12858 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12859 * final.c (final_scan_insn): We always have register constraints.
12860 * genattrtab.c: Don't include "insn-config.h".
12861 (write_attr_case): We always have register constraints.
12862 * genconfig.c (register_constraint_flag): Delete.
12863 (walk_insn_part): Don't check whether we have register constraints.
12864 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12865 * genoutput.c (have_constraints): Delete.
12866 (main): Don't set it.
12867 (output_operand_data): We always have constraints.
12868 (scan_operands): Likewise.
12869 (compare_operands): Likewise.
12870 * local-alloc.c (block_alloc): We always have constraints.
12871 (requires_inout): Always compile this function.
12872 * recog.c (extract_insn): We always have constraints.
12873 (constrain_operands, reg_fits_class_p): Always compile these
12875 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12877 (struct insn_operand_data): Likewise.
12878 * regclass.c (regclass): We always have constraints.
12879 (record_reg_classes, copy_cost, record_address_regs,
12880 auto_inc_dec_reg_p): Always compile these functions.
12881 * regmove.c (regmove_optimize): We always have constraints.
12882 * reload.c (find_reloads): Likewise.
12883 * reload1.c (reload): Likewise.
12884 (reload_cse_simplify_operands): Likewise.
12885 * i860.c (output_delay_insn): Likewise.
12887 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12889 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12891 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12893 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12894 for the va_list record.
12896 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12898 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12901 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12903 * alias.c: Include insn-flags.h.
12904 * Makefile.in (alias.o): Update.
12906 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12908 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12909 to LTU and GEU. Handle more cases using sbb.
12911 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12913 * i386.md (truncatexfdf splitters): Do not use subreg.
12914 (fop XFmode patterns): Fix mode in operand testing.
12916 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12918 * jump.c (jump_optimize_1): Amend last change to test only the
12919 form of the operand, not the insn.
12921 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12922 not register_operand to determine when B may need preloading.
12924 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12926 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12927 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12928 (call-value patterns): Move to end of file.
12929 (*): Remove mode from label_ref in (pc) context.
12930 (movstrqi): Use memory not general_operand for BLKmode operands.
12931 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12932 to register_operand operands.
12933 (peep2 patterns): Convert from commented-out peephole patterns.
12935 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12937 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12938 to BUILT_IN_INIT_DWARF_REG_SIZES.
12939 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12940 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12941 expand_builtin_init_dwarf_reg_sizes.
12942 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12943 with __builtin_init_dwarf_reg_size_table.
12944 * dwarf2out.c (struct reg_size_range): Delete.
12945 (expand_builtin_init_dwarf_reg_sizes): New function.
12946 (expand_builtin_dwarf_reg_size): Delete.
12947 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12948 (expand_builtin_dwarf_reg_size): Don't declare.
12949 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12950 (dwarf_reg_size_table): New.
12951 (init_reg_size_table): New function.
12952 (copy_reg): Use dwarf_reg_size_table.
12953 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12956 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12958 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12959 Correctly build argument list to constructor and destructor functions.
12961 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12963 * c-tree.h (warn_float_equal): Declare.
12964 * c-decl.c (warn_float_equal): Define.
12965 (c_decode_option): Recognize -W[no-]float-equal.
12966 * c-typeck.c (build_binary_op): Conditionally warn
12967 about equality tests of floating point types.
12968 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12969 * invoke.texi: Add docs for -Wfloat-equal warning.
12971 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12973 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12974 generating RTL directly.
12975 * mips.h (INIT_TARGET_OPTABS): Likewise.
12976 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12978 * expr.h (init_mov_optab): Delete declaration
12980 * h8300.c (WORD_REG_USED): Update to avoid useless register
12981 saves in interrupt functions and functions which never return.
12983 * cse.c (struct set): Delete inner_dest_loc field.
12984 (cse_insn): Remove assignments to inner_dest_loc field.
12986 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12988 * ggc-page.c: Don't include <unistd.h> etc taken care of
12989 by "system.h". Include <sys/mman.h> afterward.
12991 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12993 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12996 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12998 * xcoffout.c (xcoffout_declare_function): Add documentation.
12999 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
13000 TARGET_64BIT. Compare constant to -1, not bit pattern.
13001 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
13002 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
13005 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
13007 * dwarf2out.c (add_abstract_origin_attribute): Abort if
13008 origin_die is NULL.
13009 (gen_inlined_enumeration_type_die): Do not abort if the type has
13010 not been writeen out.
13011 (gen_inlined_structure_type_die): Do not abort if the type has
13012 not been writeen out.
13013 (gen_inlined_union_type_die): Do not abort if the type has
13014 not been writeen out.
13015 (gen_tagged_type_instantiation_die): Do not abort if the type
13016 has not been written out.
13018 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13020 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
13022 * reg-stack.c (straighten_stack): Copy hard reg set with
13025 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
13027 * builtins.c (stabilize_va_list): Stabilize array type va_list
13028 to a pointer type, not the base record type.
13029 (expand_builtin_va_copy): Dereference the pointers explicitly;
13030 use the correct size for the copy.
13032 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
13033 (rs6000_va_arg): Likewise.
13035 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
13037 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
13039 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
13041 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
13043 (DECL_BUILT_IN_CLASS): Adjust accordingly.
13045 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
13047 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
13048 (init_ggc): Use it instead of a constant.
13049 (ggc_collect): Bound allocated_last_gc by it.
13051 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
13053 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
13056 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
13058 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
13059 (mips*-*-openbsd*): Let big endian configuration be a fragment.
13060 * configure: Regen.
13061 * config/mips/openbsd.h: New, OpenBSD little endian target.
13062 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
13063 * config/mips/xm-openbsd.h: New, OpenBSD host.
13065 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
13067 * config/m68k/m68k.c (output_function_prologue,
13068 output_function_epilogue): Use
13069 current_function_uses_pic_offset_table instead of regs_ever_live
13070 to decide whether to save/restore pic register.
13071 (legitimize_pic_address): Don't modify regs_ever_live any more.
13073 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
13075 * function.h (struct function): Add x_dont_save_pending_sizes_p.
13076 * stor-layout.c (variable_size): Don't add sizes to the pending
13077 sizes list if x_dont_save_pending_sizes_p is set.
13079 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
13081 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
13082 for symbolic_operand().
13083 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
13085 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13087 * combine.c (gen_rtx_combine): Add missing call to va_end().
13089 * final.c (asm_fprintf): Likewise.
13091 * genattrtab.c (attr_rtx): Likewise.
13093 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
13095 * cse.c: Update comments.
13096 (cse_insn): When converting a conditional/computed jump into
13097 an unconditional jump, always make sure a BARRIER immediately
13098 follows the converted jump. Do not delete unreachable code.
13099 (cse_basic_block): Do not delete unreachable code.
13100 * toplev.c (rest_of_compilation): Move call to
13101 delete_trivially_dead_insns after the conditional call to
13104 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13106 * collect2.c (make_temp_file): Don't prototype.
13108 * gcc.c (make_temp_file): Likewise.
13110 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
13112 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
13114 * varasm.c (asm_emit_uninitialised): New function: Generate
13115 the assembler statements necessary to declare an uninitialised
13117 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
13119 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
13120 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
13122 (assemble_variable): Use asm_emit_uninitialised to emit an
13123 uninitialised variable.
13125 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
13127 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
13128 constant on a 64 bit host. Patch supplied by Geoffrey Keating
13129 <geoffk@cygnus.com>.
13131 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13133 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
13134 * c-common.h (builtin_function): Don't declare.
13136 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
13138 (pushdecl): Likewise.
13139 (finish_decl): Likewise.
13140 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
13141 int. All callers changed.
13142 Set the builtin's DECL_BUILT_IN_CLASS.
13143 * tree.h (enum built_in_class): New.
13144 (enum built_in_function): Delete NOT_BUILT_IN.
13145 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
13147 (DECL_SET_FUNCTION_CODE): Likewise.
13148 (DECL_BUILT_IN_CLASS): New macro.
13149 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
13150 (struct tree_decl): Split builtin function code field into a
13152 (builtin_function): Declare.
13154 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
13156 * optabs.c (init_traps): Fix typo in last change.
13158 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
13160 * toplev.c (rest_of_decl_compilation): Update comment.
13162 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13164 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
13165 in .sbss if appropriate.
13166 (EXTRA_SECTION_FUNCTIONS): Add sbss.
13167 (SBSS_SECTION_ASM_OP): New macro.
13168 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
13169 (EXTRA_SECTIONS): Add in_sbss.
13170 * config/mips/mips.h: Prototype sbss_section.
13172 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
13174 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
13177 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
13179 * optabs.c (init_traps): Register trap_rtx as a GC root.
13181 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13183 * config/mips/mips.c (function_arg_pass_by_reference): Define
13184 unconditionally, since it's called unconditionally.
13186 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13188 * toplev.c (documented_lang_options): Add -fshort-wchar.
13189 * c-decl.c (c_decode_option): Likewise.
13190 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
13192 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
13193 * gcc.c (default_compilers): If -fshort-wchar,
13194 override __WCHAR_TYPE__.
13195 * tm.texi (C Dialect Options): Add -fshort-wchar.
13197 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
13198 symbol for a variable.
13200 * cpplib.h (CPP_PREPROCESSED): New macro.
13201 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
13202 we're seeing this input for a second time.
13204 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
13206 * emit-rtl.c (init_emit_once): Initialize modes first.
13208 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
13210 * config/i386/i386.c (pic_label_name): Change to char pointer.
13211 (global_offset_table): New variable.
13212 (load_pic_register): Fill global_offset_table if it hasn't
13213 already been done. Allocate pic_label_name dynamically.
13214 * ggc.h (empty_string): New variable.
13215 * ggc-simple.c (empty_string): Likewise.
13216 (init_ggc): Allocate empty_string and add as root.
13217 * stmt.c (digit_strings): New variable.
13218 (init_stmt): Add last_block_end_note as root. Allocate and
13219 initialize digit_strings.
13220 (expand_asm_operands): Use empty_string instead of string
13221 constant. Use digit_strings instead of string constants.
13222 * profile.c (init_arc_profiler): Allocate string with
13223 ggc_alloc_string instead of xmalloc.
13224 (output_func_start_profiler): Likewise.
13225 * c-typeck.c (digest_init): Check if init is error_mark_node.
13227 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
13228 Richard Henderson <rth@cygnus.com>
13230 * ggc-page.c: New file.
13231 * Makefile.in (ggc-page.o): New.
13233 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
13235 * invoke.texi: Document -fdelete-null-pointer-checks
13236 * toplev.c (flag_delete_null_pointer_checks): New.
13237 (f_options): Add entry for -fdelete-null-pointer-checks.
13238 (rest_of_compilation): Conditionalize null pointer check
13239 elimination on flag_delete_null_pointer_checks.
13240 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
13242 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
13244 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
13245 copyright notice and special exception to GPL.
13247 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13249 * abi64.h (mips_function_value): Add prototype arguments.
13251 * mips-protos.h: New file with mips prototypes.
13253 * mips.c: Include "tm_p.h".
13254 (mktemp, lookup_name): Add prototype arguments.
13255 (extern_list, string_constant, mips_fill_delay_slot,
13256 mips_output_external, mips_output_external_libcall,
13257 mips_output_filename, mips_declare_object, function_prologue,
13258 mips_expand_prologue, function_epilogue, mips16_constant,
13259 build_mips16_function_stub, mips_output_conditional_branch):
13261 (mips_va_start): Remove unused variable `u'.
13262 (mips_va_arg): Cast value to unsigned when comparing against one.
13264 (save_restore_insns, mips_expand_prologue): Add missing arg in
13265 call to `large_int'.
13267 * mips.h: Move prototypes to mips-protos.h.
13268 (data_section, memory_address_p, rdata_section,
13269 readonly_data_section, simple_epilogue_p, text_section): Delete
13270 prototypes delcared elsewhere.
13271 (mips_epilogue_delay_slots, print_options): Delete unused decls.
13273 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
13275 * mips.md: Delete extra args in call to `mips_move_2words'.
13277 * xm-iris6.h (alloca): Add prototype argument.
13279 * genpeep.c: Include "tm_p.h" in generated output file.
13281 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13283 * basic-block.h (find_edge_index): Change parameters.
13284 * flow.c (verify_edge_list): Pass basic_block parameters to
13285 find_edge_index instead of integers.
13287 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
13289 * combine.c (simplify_comparison): Use an unsigned shift to adjust
13292 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
13294 * gcc.1: Fix a formatting error.
13296 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13298 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
13299 i786, mn10200, mn10300, pdp11, v850.
13301 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
13303 * libgcc2.c (num_digits): Add prototype with
13304 __attribute__((const)).
13305 (__terminate): Add prototype.
13307 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
13309 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
13311 * alpha/alpha.c (print_operand): Fix type of `code'.
13312 (alpha_output_filename): Constify.
13313 * alpha/alpha.h: Move all function declarations ...
13314 * alpha/alpha-protos.h: ... here. New file.
13315 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
13316 (SECTION_FUNCTION_TEMPLATE): Likewise.
13318 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13320 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13321 * expr.c (expand_expr): Likewise.
13322 (do_jump): Likewise.
13323 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13324 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13326 (enum can_compare_purpose): New.
13327 (can_compare_p): Adjust prototype.
13328 (prepare_cmp_insn, prepare_operand): Declare.
13329 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13330 * optabs.c (cmp_available_p): Deleted.
13331 (expand_abs): Pass ccp_jump to can_compare_p.
13332 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13333 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13334 Call can_compare_p rather than cmp_available_p.
13335 (prepare_operand): No longer static.
13336 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13337 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13338 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13339 sequence to use emit_cmp_and_jump_insns.
13340 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13342 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13344 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13345 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13346 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13347 (plus (reg) (const_int 0))
13348 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13350 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13352 * rs6000.c (expand_block_move): DImode loads and stores require
13353 word-aligned displacements. Increment address registers with
13354 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13356 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13358 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13359 is no name for the base type, rather than segfault. If we are
13360 writing out a complex integer type, use DW_ATE_lo_user.
13362 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13363 in one word or less (complex char, complex short, or on 64 bit
13364 systems complex float) to/from a hard register, copy it through
13365 memory instead of dying in gen_{real,imag}part. If we have a
13366 short complex type, prevent inlining since it allocates stack
13369 * tree.c (build_complex_type): If we are writing dwarf2 output,
13370 generate a name for complex integer types.
13372 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13374 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13375 * flow.c (remove_edge): Remove extra whitespace.
13376 (remove_fake_edges): Fix comment.
13377 (add_noreturn_fake_exit_edges): Use the correct name.
13379 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13381 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13382 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13383 (clean): Depend on INTL_CLEAN.
13384 (maintainer-clean): Adjust.
13386 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13388 * configure.in (AC_PREREQ): Bump to 2.13.
13389 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13391 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13393 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13395 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13397 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13398 (HAVE_STRINGIZE): Define.
13400 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13402 * c-parse.in: save and restore warn_pointer_arith on __extension__
13403 along with pedantic.
13404 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13405 Set the type of extension to itype rather than $<itype>1 kludge.
13406 * extend.texi (Alternate Keywords): Adjust documentation.
13407 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13409 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13411 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13412 most assembler templates.
13414 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13415 FP loads and stores.
13416 (following_call): Always return zero for the PA8000.
13417 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13418 FP loads and stores.
13419 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13421 * pa.h (BRANCH_COST): Define.
13423 * pa.md (return, return_internal): Use bve for PA2.0.
13425 * pa.md (fused multiply): Add variants which reduce height for the
13426 fused multiply, but which still generate 2 insns.
13427 (fnegabs): Similarly.
13429 * pa.md (subsi3): Turn into an expander. Create two anonymous
13430 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13431 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13433 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13435 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13437 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13438 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13440 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13443 * flow.c (record_active_eh_regions): Terminate loop after finding
13444 the last insn in the last basic block.
13446 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13448 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13450 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13452 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13454 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13456 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13457 splitting to not use output template.
13459 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13461 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13462 * config/c4x/c4x.c (c4x_va_start): New function.
13464 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13466 * genrecog.c (not_both_true): Handle correctly cases when called for
13467 tests with different positions in the insn.
13469 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13471 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13473 * system.h (HOST_PTR_PRINTF): ... to here.
13475 * mips-tfile.c: Don't include machmode.h.
13477 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13478 (mips-tfile.o): Don't depend on machmode.h.
13480 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13482 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13483 avoid conflicts with typedef struct `region' at the top level scope.
13485 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13487 * basic-block.h (basic_block): Add eh_beg, eh_end.
13488 * flow.c (entry_exit_blocks): Update.
13489 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13490 Call new functions.
13491 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13492 lists.c functions to allocate insn lists.
13493 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13495 (make_eh_edge): ... here. New.
13496 (move_stray_eh_region_notes): New.
13497 (record_active_eh_regions): New.
13498 (delete_unreachable_blocks): Split out block merging ...
13499 (try_merge_blocks): ... here. New.
13500 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13501 Dump debugging data.
13502 (merge_blocks_move_successor_nojumps): Likewise.
13503 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13505 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13507 * extend.texi (Bound member functions): Document unbound pmf
13510 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13512 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13513 has the EXIT_BLOCK as a dest.
13515 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13517 * flow.c (remove_edge): New function to remove an edge from the
13519 (remove_fake_successors): New function to remove fake successor edges.
13520 (remove_fake_edges): New function to remove all fake edges from the
13522 (add_fake_exit_edges): New function to add fake edges from all blocks
13523 with no successors to the exit block.
13524 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13525 prototypes for new functions.
13527 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13529 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13530 Use Pmode to determine whether to output .dword or .word.
13532 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13534 * tree.c (built_in_filename): New variable.
13535 (BUILT_IN_FILENAME): New macro.
13536 (init_tree_codes): Allocate built_in_filename.
13537 (make_node): Use built_in_filename instead of string constant.
13539 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13541 * configure.in: Add fr30 target.
13542 * configure: Regenerate.
13543 * config/fr30: New directory.
13544 * config/fr30/crti.asm: New file.
13545 * config/fr30/fr30.c: New file.
13546 * config/fr30/crtn.asm: New file.
13547 * config/fr30/fr30.h: New file.
13548 * config/fr30/fr30.md: New file.
13549 * config/fr30/lib1funcs.asm: New file.
13550 * config/fr30/t-fr30: New file.
13551 * config/fr30/xm-fr30.h: New file.
13553 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13555 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13556 BARRIER at the end of the successor, not the BARRIER before
13559 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13561 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13563 * stmt.c (any_pending_cleanups): Don't crash when
13564 current_function->stmt is unset.
13566 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13568 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13569 other initializations that may use it for relative offsets.
13571 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13573 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13574 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13575 * config/i386/sol2dbg.h: Removed.
13576 * config/i386/sol2gas.h: New file, to enable gas work-around.
13577 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13578 Don't use sol2dbg.h.
13579 * configure: Rebuilt.
13581 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13583 * invoke.texi (-fthis-is-variable): Remove documentation.
13585 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13587 * basic-block.h (compute_bb_for_insn): Declare.
13588 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13589 to use; set size of basic_block_for_insn directly.
13590 (find_basic_blocks): Update.
13592 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13594 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13596 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13598 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13599 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13601 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13603 * c-decl.c (c_decode_option): Extend comment.
13605 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13607 * toplev.c (progname): Make 'const char *'
13608 (flag_print_mem): Move out of main.
13609 (version_flag): Move out of main.
13610 (filename): Move out of main.
13611 (debug_args): Remove g prefix from options.
13612 (documented_lang_options): Remove cpplib specific options.
13613 (display_help): Add g prefix to debug options.
13614 (check_lang_option): Delete this function.
13615 (decode_d_option): New function: Decode -d... option.
13616 (decode_f_option): New function: Decode -f... option.
13617 (decode_W_option): New function: Decode -W... option.
13618 (decode_g_option): New function: Decode -g... option.
13619 (independent_decode_option): New function: Decode a language
13620 independent command line option.
13621 (main): Invoke lang_decode_option and then
13622 independent_decode_option on each command line option in
13625 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13627 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13628 * fold-const.c (fold_range_test): Do not try to fold the range
13629 test if the rhs or lhs has side effects.
13631 * basic-block.h (compute_flow_dominators): Declare.
13633 * gcse.c (alloc_code_hoist_mem): New function.
13634 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13635 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13636 (hoist_code, one_code_hoisting_pass): Likewise.
13637 (gcse_main): If optimizing for size, then hoist expressions
13638 computed in multiple dominated basic blocks.
13640 * gcse.c (invalid_nonnull_info): New function.
13641 (delete_null_pointer_checks): Likewise.
13642 * rtl.h (delete_null_pointer_checks): Declare.
13643 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13645 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13646 (merge-blocks_move_successor_nojumps): Likewise.
13647 (merge_blocks): Allow merging of some blocks, even if it requires
13648 physical movement of the blocks, but not if it requires new jumps.
13650 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13651 Callers and prototype changed.
13652 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13654 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13656 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13657 -YP when both -p and -pg are present. From i386/sol2.h.
13659 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13661 * Makefile.in (distclean): Delete tm_p.h.
13662 * configure.in: Create a new file, "tm_p.h", from a list in
13663 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13664 "i386/i386-protos.h".
13666 * alias.c: Include "tm_p.h".
13667 * c-typeck.c: Likewise.
13668 * calls.c: Likewise.
13670 * emit-rtl.c: Likewise.
13671 * explow.c: Likewise.
13672 * expmed.c: Likewise.
13673 * expr.c: Likewise.
13674 * final.c: Likewise.
13675 * flow.c: Likewise.
13676 * fold-const.c: Likewise.
13677 * function.c: Likewise.
13678 * gcse.c: Likewise.
13679 * global.c: Likewise.
13680 * haifa-sched.c: Likewise.
13681 * integrate.c: Likewise.
13682 * jump.c: Likewise.
13683 * local-alloc.c: Likewise.
13684 * loop.c: Likewise.
13685 * optabs.c: Likewise.
13686 * recog.c: Likewise.
13687 * reg-stack.c: Likewise.
13688 * regclass.c: Likewise.
13689 * regmove.c: Likewise.
13690 * reload.c: Likewise.
13691 * reload1.c: Likewise.
13692 * reorg.c: Likewise.
13693 * resource.c: Likewise.
13694 * stmt.c: Likewise.
13695 * stor-layout.c: Likewise.
13696 * toplev.c: Likewise.
13697 * tree.c: Likewise.
13698 * unroll.c: Likewise.
13699 * genattrtab.c (main): Make generated file include "tm_p.h".
13700 * genemit.c (main): Likewise.
13701 * genoutput.c (main): Likewise.
13702 * genrecog.c (main): Likewise.
13704 * i386.h: Delete all prototypes.
13705 * i386.c: Include "tm_p.h".
13706 (ix86_attr_length_default): Call constant_call_address_operand
13707 with correct number of arguments.
13708 * i386-protos.h: New file.
13709 * i386.md (unnamed patterns): Call constant_call_address_operand
13710 with correct number of arguments.
13711 (exception_receiver): Call load_pic_register with correct number
13714 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13716 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13718 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13720 * rtl.h (insns_safe_to_move_p): New function.
13721 * loop.c (find_and_verify_loops): Use it.
13722 * rtlanal.c (insns_safe_to_move_p): Define it.
13724 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13726 * c-pragma.c: Include ggc.h.
13727 * Makefile.in (c-pragma.o): Update.
13729 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13731 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13732 (LIB_SPEC): Likewise.
13733 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13734 Reindent -YP/-p/-pg.
13735 Copied from config/sparc/sol2.h.
13737 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13739 * c-pragma.c (mark_align_stack): New.
13740 (init_pragma): New.
13741 * c-pragma.h (init_pragma): Declare it.
13742 * c-lex.c (init_parse): Call it.
13744 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13746 * configure.in: Pick up thread library on Solaris/x86 just
13747 like on Solaris/sparc.
13748 * configure: Rebuilt.
13750 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13752 * rtl.h (global_rtx_index): New enum.
13753 (global_rtl): Change to array of rtx.
13754 (pc_rtx, cc0_rtx): Redefine accordingly.
13755 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13756 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13757 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13758 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13759 (const_int_rtx): Change to array of rtx.
13760 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13762 * emit-rtl.c (global_rtl): Change to array of rtx.
13763 (const_int_rtx): Change to aray of rtx.
13764 (gen_rtx_CONST_INT): Redefine accordingly.
13765 (init_emit_once): Allocate and initialize global_rtl. Likewise
13766 for const_int_rtx. Add both as GC roots.
13767 * genattrtab.c (global_rtl): Update declaration.
13769 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13771 * Makefile (USER_H): Add iso646.h back.
13773 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13775 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13776 zapping the LOG_LINKS of sched_before_next_call.
13778 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13779 * pa.c (insn_refs_are_delayed): Renamed from
13780 insn_sets_and_refs_are_delayed.
13782 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13784 * functiion.h (struct function): Add x_whole_function_mode_p.
13785 (retrofit_block): Declare.
13786 * function.c (retrofit_block): New function.
13787 (identify_blocks): Add assertions. Allow an incomplete set of
13788 block notes if we're still generating code for the function.
13789 * integrate.c: Include loop.h.
13790 (expand_inline_function): Call find_loop_tree_blocks to map block
13791 notes to blocks when in whole-function mode. Use retrofit_block
13792 to insert new BLOCKs for the inlined function, rather than
13794 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13795 * Makefile.in (integrate.o): Depend on loop.h.
13797 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13799 * tree.h (warn_about_unused_variables): Declare.
13800 * stmt.c (warn_about_unused_variables): New function, split out
13802 (expand_end_bindings): Here.
13804 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13806 * stmt.c (preserve_subexpressions_p): Don't crash when
13807 current_function->stmt is unset.
13809 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13811 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13812 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13813 (expand_start_target_temps): Use it.
13814 * except.c (expand_eh_region_start_for_decl): Likewise.
13815 * expr.c (expand_expr): Likewise.
13817 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13819 * fold-const.c (operand_equal_p): Pay attention to side effects.
13821 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13823 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13824 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13826 * tlink.c (scan_linker_output): Look for keywords before accepting
13827 a mangled name in quotes.
13829 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13831 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13832 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13834 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13836 * alpha.md: Revert Thu Nov 26 change that came in through the
13837 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13838 Avoid earlyclobber when possible.
13840 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13842 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13844 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13845 Define HAVE_ON_EXIT.
13847 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13849 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13850 CTYPE_CONV in all ctype macros.
13852 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13855 * cexp.y (initialize_random_junk): Likewise.
13857 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13859 * i370.c (handle_pragma): Likewise.
13861 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13863 * v850.c (override_options): Likewise.
13865 * doprint.c (_doprnt): Likewise.
13867 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13870 * fixinc/server.c (load_data): Likewise.
13872 * fold-const.c (real_hex_to_f): Likewise.
13874 * genattr.c (write_upcase, gen_attr): Likewise.
13876 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13877 write_upcase): Likewise.
13879 * genemit.c (print_code): Likewise.
13881 * genopinit.c (gen_insn): Likewise.
13883 * genpeep.c (print_code): Likewise.
13885 * genrecog.c (print_code): Likewise.
13887 * optabs.c (init_libfuncs): Likewise.
13889 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13891 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13893 (reemit_notes): Likewise.
13895 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13897 * ggc.h (ggc_root): Move to ggc-common.c.
13899 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13900 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13901 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13902 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13903 * ggc-common.c (ggc_root): Move from ggc.h.
13904 (roots): Declare, static.
13905 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13906 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13907 null or check/set mark bit.
13908 (ggc_mark_roots): New.
13909 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13911 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13913 * m32r.c: Include toplev.h.
13914 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13915 (gen_compare): Rename swap_p to must_swap to match uses.
13916 Add default abort case.
13917 (m32r_output_function_epilogue): Remove unused variables.
13918 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13919 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13920 define to empty parameter list. Update all uses.
13921 (predicate decls): Use enum machine_mode not int.
13922 * m32r.md (movsi): Call abort, not fatal_insn.
13923 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13925 1999-09-14 Andrew Haley <aph@cygnus.com>
13927 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13928 use $0 instead of 0.
13930 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13932 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13933 computation out of loop over hard regs.
13935 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13937 * function.c (identify_blocks): Don't shadow a variable in an
13939 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13940 pushdecl, or poplevel to build up the new BLOCK tree.
13941 (expand_inline_function): Likewise.
13942 (integrate_parm_decls): Likewise.
13944 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13946 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13948 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13950 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13951 * invoke.texi: Document this change.
13953 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13955 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13957 (mark_emit_status): Renamed from mark_emit_state.
13958 * except.c (mark_eh_status): Renamed from mark_eh_state.
13959 Check not null before marking.
13960 (free_eh_status): New.
13961 * expr.c (mark_expr_status, free_expr_status): New.
13962 * function.c (free_machine_status): New.
13963 (free_after_parsing): New.
13964 (free_after_compilation): Move bits to free_after_parsing; call
13965 free_eh_status, free_expr_status; zero the marked members of the
13967 (prepare_function_start): No can_garbage_collect.
13968 Call init_eh_for_function.
13969 (expand_dummy_function_end): Free up current_function state.
13970 (mark_function_status): Renamed from mark_function_state.
13971 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13972 * function.h (struct function): No can_garbage_collect.
13973 (free_machine_status, free_after_parsing): Declare.
13974 (free_eh_status, free_expr_status): Declare.
13975 * ggc.h (mark_expr_status): Declare.
13976 * stmt.c (free_stmt_status): Free the struct.
13977 (mark_stmt_status): Renamed from mark_stmt_state.
13978 (init_stmt): Don't call init_eh.
13979 (init_stmt_for_function): Don't call init_eh_for_function.
13980 * toplev.c (compile_file): Call init_eh.
13981 (rest_of_compilation): Free basic block info before ggc_collect.
13982 Call free_after_parsing; conditionally call free_after_compilation.
13983 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13984 Check not null before marking.
13985 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13987 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13989 * c-lex.c (yylex): Initialize warn.
13991 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13993 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13994 register when performing secondary reloads for the SAR register.
13996 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13998 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13999 (NOTE_BLOCK): New macro.
14000 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
14001 * function.h (identify_blocks): Change prototype.
14002 * function.c (identify_blocks): Simplify.
14003 (reorder_blocks): Likewise.
14004 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
14005 NOTE_INSN_BLOCK_{BEG,END}.
14006 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
14007 the list of saved notes if the note isn't a
14008 NOTE_INSN_BLOCK_{BEG,END}.
14009 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
14011 (reemit_notes): Adjust recreation of notes to reflect new saved
14013 * print-rtl.c (print_rtx): Print the address of the BLOCK when
14014 printing a block note.
14015 * stmt.c (block_vector): Remove.
14016 (find_loop_tree_blocks): Simplify.
14017 (unroll_block_trees): Likewise.
14018 * tree.h (reorder_block): Change prototype.
14020 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
14022 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
14023 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
14024 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
14025 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
14026 (atexit, exit): Simplify.
14027 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
14028 * config/lots: Remove defns of HAVE_ATEXIT.
14030 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
14032 * calls.c (precompute_arguments): Fix typo in comment.
14033 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
14036 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
14038 * dsp16xx.c (override_options): Fix typos in GC root registration.
14040 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
14042 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
14043 from config/svr4.h.
14044 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
14045 (FUNCTION_PROFILER): Redefine appropriately for Linux.
14046 (CC1_SPEC): Likewise.
14048 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14050 * genattr.c (main): Add extern prototype. Call return, not exit.
14051 * genattrtab.c (main): Likewise.
14052 * gencheck.c (main): Likewise.
14053 * gencodes.c (main): Likewise.
14054 * genconfig.c (main): Likewise.
14055 * genemit.c (main): Likewise.
14056 * genextract.c (main): Likewise.
14057 * genflags.c (main): Likewise.
14058 * gengenrtl.c (main): Likewise.
14059 * genopinit.c (main): Likewise.
14060 * genoutput.c (main): Likewise.
14061 * genpeep.c (main): Likewise.
14062 * genrecog.c (main): Likewise.
14064 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
14065 * genattrtab.c (get_insn_name): Likewise.
14066 * gencodes.c (get_insn_name): Likewise.
14067 * genconfig.c (get_insn_name): Likewise.
14068 * genemit.c (get_insn_name): Likewise.
14069 * genextract.c (get_insn_name): Likewise.
14070 * genflags.c (get_insn_name): Likewise.
14071 * genopinit.c (get_insn_name): Likewise.
14072 * genpeep.c (get_insn_name): Likewise.
14074 * gencheck.c (usage): Add static prototype.
14075 * genextract.c (print_path): Constify a char*.
14076 * genopinit.c (optabs): Likewise.
14077 * genoutput.c (operand_data, data, output_predicate_decls,
14078 compare_operands): Likewise.
14079 * genrecog.c (write_tree): Add default case in switch.
14081 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14083 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
14085 * print-rtl.c (get_insn_name): Remove prototype.
14087 * toplev.h (progname): Declare const.
14089 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
14090 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
14091 dump_sched_info, dump_local_alloc, regset_release_memory,
14092 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
14093 error_with_file_and_line, error_with_decl, error_for_asm, error,
14094 fatal, warning_with_file_and_line, warning_with_decl, warning,
14095 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
14096 Remove redundant prototypes.
14098 (notice, check_lang_option, report_file_and_line, vnotice,
14099 mark_file_stack): Add static prototype.
14100 (set_fatal_function): Add prototype.
14101 (vnotice, report_file_and_line, set_fatal_function,
14102 check_lang_option): Constify a char*.
14103 (main): Prototype. Call return, not exit.
14105 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14107 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
14109 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
14111 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
14113 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
14115 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14117 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
14118 behave as if it's zero in all cases.
14119 (expand_function_start): Adjust call to assign_parms.
14120 * tree.h (assign_parms): Adjust prototype.
14121 * objc/objc-act.c (hack_method_prototype): Adjust call to
14124 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
14126 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
14127 arg_pointer_rtx fixed if the argument pointer register is
14129 (NONZERO_BASE_PLUS_P): Likewise.
14131 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
14133 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
14134 match_insn2 to match_insn.
14135 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
14137 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
14139 * Makefile.in (USER_H): Remove va-foo.h.
14141 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
14142 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
14143 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
14144 va-spur.h,va-v850.h}: Remove.
14146 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
14148 * sparc/sparc.md (eligible_for_return_delay): New attribute.
14149 (in_return_delay): Use it instead of match_insn.
14151 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14153 * config/alpha/va_list.h (va-alpha.h): Do not include.
14154 (__gnuc_va_list): Typedef as in varargs.h.
14156 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
14158 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
14159 DECL_LIVE_RANGE_RTL.
14161 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
14163 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
14164 not NOTE_BLOCK_NUMBER.
14165 (expand_eh_region_end): Likewise.
14166 (find_exception_handler_labels): Likewise.
14167 (scan_region): Likewise.
14168 (exception_optimize): Likewise.
14169 (update_rethrow_references): Likewise.
14170 (set_insn_eh_region): Likewise.
14171 * final.c (final_scan_insn): Likewise.
14172 * flow.c (make_edges): Likewise.
14173 * integrate.c (expand_inline_function): Likewise.
14174 * print-rtl.c (print_rtx): Likewise.
14176 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
14178 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
14179 terms of builtin functions and types.
14181 * mips.c (mips_build_va_list): New.
14182 (mips_va_start, mips_va_arg): New.
14183 * mips.h (BUILD_VA_LIST_TYPE): New.
14184 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14186 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
14187 (sh_build_va_list, sh_va_start, sh_va_arg): New.
14188 * sh.h (BUILD_VA_LIST_TYPE): New.
14189 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14191 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
14193 * recog.h (struct recog_data): Make dup_num, operand_address_p,
14194 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
14195 (struct insn_data): Likewise with n_operands, n_dups,
14196 n_alternatives, output_format.
14197 * regclass.c (scan_one_insn): Cast n_operands to int before
14198 arithmetic inside comparison.
14200 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
14202 * toplev.c (compile_function): Unconditionally emit nop.
14204 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14206 * haifa-sched.c (actual_hazard): Move declaration of variable
14207 `this_cost' into the scope where it is used.
14209 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14211 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
14212 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
14213 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
14215 * genrecog.c (make_insn_sequence): Call memset, not bzero.
14217 * jump.c (find_insert_position): Don't declare or define unless
14218 !HAVE_conditional_arithmetic.
14219 (returnjump_p_1, delete_prior_computation): Add static prototypes.
14221 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
14223 * recog.c (offsettable_address_p): Prototype function pointer.
14224 (preprocess_constraints): Call memset, not bzero.
14226 * tree.c (tree_node_kind_names): Constify a char*. Make static.
14227 (gcc_obstack_init): Don't declare.
14228 (fix_sizetype): Add static prototype.
14229 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
14230 (tree_cons): Call memset, not bzero.
14232 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
14233 definition in macro ASM_WEAKEN_LABEL.
14234 (mark_const_hash_entry): Add static prototype.
14236 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14238 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
14240 * unroll.c (find_common_reg_term, subtract_reg_term,
14241 loop_find_equiv_value): Add static prototypes.
14242 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
14243 (copy_loop_body): Remove unreachable break statement.
14245 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
14247 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
14249 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14251 Undo some changes from the gcc2 merge:
14252 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
14253 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
14257 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
14258 * emit-rtl.c (gen_lowpart_common): Disable optimization of
14259 initialized float-int union if the value is a NaN.
14261 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
14263 * gthr-win32.h: New file.
14265 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
14266 shared as a valid attribute.
14267 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
14268 * extend.texi: Document `shared' variable attribute.
14270 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
14272 * configure.in: Handle --enable-threads on FreeBSD.
14273 * configure: Rebuit.
14275 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14277 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
14279 * configure: Rebuilt.
14281 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
14282 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
14283 Rosimildo DaSilva <rdasilva@connecttel.com>
14285 * configure.in (m68k-*-rtemscoff*): Added.
14286 * configure.in (mips64orion-*-rtems*): Converted to ELF.
14287 * configure.in (sparc-*-rtemsaout*): Added as alias for old
14288 sparc-rtems configuration.
14289 * configure.in (sparc-*-rtemself*): Added.
14290 * configure.in (sparc-*-rtems*): Now ELF not a.out.
14291 * config/i386/rtems.h: Added comment.
14292 * config/sparc/rtemself.h: New file.
14294 * configure.in (m68k-rtemself): Added.
14295 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
14296 and DWARF_DEBUGGING_INFO.
14297 * config/m68k/crti.s: New file.
14298 * config/m68k/crtn.s: New file.
14299 * config/m68k/t-crtstuff: New file.
14300 * config/m68k/rtemself.h: New file.
14302 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
14303 global ctor/dtor and C++ exception handling.
14304 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
14305 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
14307 * config/i386/t-rtems-i386: New File.
14309 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
14311 * stmt.c (expand_end_case): Return right away if the case stack is
14314 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
14316 * Makefile.in (version.c): Remove rule incorrectly brought in from
14319 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14321 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14322 * msdos/top.sed: Take into account a prepended $(SHELL) to
14324 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14326 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14328 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14330 * regmove.c (fixup_match_1): Don't change an unchanging register.
14331 (stable_but_for_p): Renamed to:
14332 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14333 Changed all callers.
14335 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14337 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14338 insn from BL2 is after the insn from BL.
14340 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14342 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14343 (struct insn_data): Merge `template' and `outfun' into `output'.
14344 Add `output_format'.
14345 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14346 (struct data): Remove `outfun'; add `output_format'.
14347 (name_for_index): Remove declaration.
14348 (output_insn_data): Handle output formats.
14349 (process_template): Emit the bare array for @.
14350 (gen_expand, gen_split): Set output_format to NONE.
14351 * output.h (get_insn_template): Declare.
14352 * final.c (get_insn_template): New.
14353 (final_scan_insn): Use it.
14354 * toplev.c (compile_file): Likewise.
14356 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14357 * i860/i860.c (output_delayed_branch): Likewise.
14358 (output_delay_insn): Likewise.
14360 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14362 * rtl.c (obstack_alloc_rtx): Removed.
14364 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14366 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14368 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14370 * i386.c (call_insn_operand): Reject const_int.
14371 (expander_call_insn_operand): Use call_insn_operand.
14373 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14375 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14377 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14379 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14380 Use DImode operation.
14382 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14384 * gcc.c: Include sys/resource.h.
14385 (report_times): New flag.
14386 (execute): If report_times is set, calculate and report the
14387 CPU time consumed by each subprocess.
14389 (rus, prus): New globals.
14390 (option_map): Add --time.
14391 (display_help): Document -time.
14392 (process_command): Set report_times if -time is given.
14393 Turn off -pipe if -time is given.
14395 * invoke.texi: Document new option -time.
14397 * configure.in: Check for getrusage. Check if we have to
14398 prototype getrusage.
14399 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14400 * configure: Regenerate.
14401 * config.in: Regenerate.
14403 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14405 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14408 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14410 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14411 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14412 (nan): Return _thenan_sf or _thenan_df as appropriate.
14413 (L_thenan_sf): Define _thenan_sf.
14414 (L_thenan_df): Define _thenan_df.
14416 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14417 (DPBIT_FUNCS): Add _thenan_df.
14419 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14421 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14424 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14426 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14429 (lang_specific_driver): Don't take a function pointer parameter.
14430 All callers changed.
14432 * gcc.c: Include gcc.h.
14433 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14434 lang_specific_extra_outfiles, fatal): Don't declare.
14435 (multilib_defaults_raw): Constify.
14436 (read_specs): Call memset, rather than bzero.
14437 (main): Call return, not exit.
14438 (lookup_compiler): Call memcpy, not bcopy.
14439 (fatal): Make extern.
14441 * cppspec.c: Include gcc.h.
14442 (lang_specific_driver): Initialize variable `quote'. Constify a
14443 char*. All calls to the function pointer parameter now
14444 explicitly call `fatal'.
14446 * gccspec.c (lang_specific_driver): Include gcc.h.
14448 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14450 * arm.c (note_invalid_constants): Use recog_data.operand_type
14453 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14455 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14458 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14459 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14460 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14461 reload_secondary_in_reload, reload_secondary_out_reload,
14462 reload_secondary_in_icode, reload_secondary_out_icode,
14463 reload_reg_rtx, reload_when_needed): Delete declarations.
14464 (struct reload): New structure.
14465 (rld): Declare new array.
14466 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14467 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14468 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14469 reload_secondary_in_reload, reload_secondary_out_reload,
14470 reload_secondary_in_icode, reload_secondary_out_icode,
14471 reload_reg_rtx, reload_when_needed): Delete definitions.
14473 (whole file): Replace uses of the deleted arrays with uses of rld.
14474 * reload1.c (whole file): Replace uses of the deleted arrays with
14476 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14477 explicit loops, not with bcopy.
14479 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14481 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14482 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14483 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14484 insn_name): Delete and consolidate into new structures.
14485 (insn_operand_predicate_fn): New.
14486 (insn_output_fn): New.
14487 (insn_gen_fn): New.
14488 (struct insn_operand_data): New.
14489 (struct insn_data): New.
14491 (OUT_FCN): Update for insn_data change.
14492 * builtins.c (expand_builtin_strlen): Likewise.
14493 (expand_builtin_memcmp): Likewise.
14494 * combine.c (make_extraction, simplify_comparison): Likewise.
14495 * cse.c (canon_reg, cse_insn): Likewise.
14496 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14497 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14498 (emit_store_flag): Likewise.
14499 * expr.c (convert_move, emit_block_move): Likewise.
14500 (clear_storage, emit_push_insn, expand_increment): Likewise.
14501 (do_store_flag): Likewise.
14502 * expr.h (GEN_FCN): Likewise.
14503 (insn_gen_function): Die.
14504 * final.c (final_scan_insn): Update for insn_data change.
14505 (output_asm_name): Likewise.
14506 * function.c (fixup_var_refs_1): Likewise.
14507 * loop.c (check_dbra_loop): Likewise.
14508 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14509 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14510 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14511 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14512 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14513 * regmove.c (gen_add3_insn): Likewise.
14514 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14515 (find_reloads, find_reloads_address_1): Likewise.
14516 (debug_reload_to_stream): Likewise.
14517 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14518 * stmt.c (expand_end_case): Likewise.
14519 * toplev.c (compile_file): Likewise.
14521 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14522 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14524 * print-rtl.c (insn_name_ptr): Remove declaration.
14525 (get_insn_name): Declare.
14526 (print_rtx): Use it.
14527 * genoutput.c (insn_name_ptr): Remove.
14528 (next_operand_number): New.
14529 (struct operand_data): New.
14530 (null_operand, odata, odata_end): New.
14531 (struct data): Use struct operand_data.
14532 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14533 (get_insn_name): Renamed from name_for_index.
14534 (output_prologue): Define NO_MD_PROTOTYPES.
14535 (output_predicate_decls): Break out from output_epilogue.
14536 Iterate over the operands list.
14537 (output_operand_data): Break out from output_epilogue. Emit
14538 just the operands list.
14539 (output_insn_data): Break out from output_epilogue. Emit just
14541 (output_epilogue): Remove.
14542 (output_get_insn_name): New.
14543 (constraints, op_n_alternatives, predicates, address_p): Die.
14544 (modes, strict_low, seen): Die.
14545 (scan_operands): Take new param `d' instead of writing to
14546 seven global variables.
14547 (compare_operands): New.
14548 (place_operands): New.
14549 (validate_insn_alternatives): Update for struct data change.
14550 (gen_insn): Don't zero or copy 7 global arrays. Update for
14551 scan_operands; call place_operands.
14552 (gen_peephole, gen_expand, gen_split): Likewise.
14553 (main): Update for new output routines.
14555 * genattr.c (insn_name_ptr): Remove.
14556 (get_insn_name): New function.
14557 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14558 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14559 * genrecog.c: Likewise.
14561 * alpha.md (adddi3): Make `pattern' array static.
14563 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14565 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14566 c4x_cpu_version_string): Constify char *.
14567 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14568 c4x_cpu_version_string): Likewise.
14570 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14572 * tree.c (save_tree_status): Revert 10 Sep change.
14573 (restore_tree_status): Likewise. Call obstack_free with NULL
14574 before freeing the obstack proper.
14576 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14578 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14580 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14581 surrounding context.
14583 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14585 * tree.c (type_hash_canon): Put all types in the hash-table, when
14588 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14590 * recog.h (struct recog_data, recog_data): New.
14591 (recog_foo variables): Kill.
14592 * recog.c (recog_operand, recog_operand_loc): Kill.
14593 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14594 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14595 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14596 (recog_data): Define.
14597 (extract_insn): Update all recog_foo references to use recog_data.
14598 (preprocess_constraints, constrain_operands): Likewise.
14599 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14600 * genattrtab.c (main): Likewise.
14601 * genextract.c (main): Likewise.
14602 * genoutput.c: Likewise.
14603 * genrecog.c (write_subroutine, main): Likewise.
14604 * local-alloc.c (block_alloc): Likewise.
14605 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14606 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14607 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14608 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14609 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14610 (reload_cse_simplify_operands): Likewise.
14612 * arc/arc.c (arc_final_prescan_insn): Likewise.
14613 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14614 * h8300/h8300.c (notice_update_cc): Likewise.
14615 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14616 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14617 * mn10200/mn10200.c (notice_update_cc): Likewise.
14618 * mn10300/mn10300.c (notice_update_cc): Likewise.
14619 * romp/romp.c (update_cc): Likewise.
14620 * sparc/sparc.c (check_pic): Likewise.
14621 * v850/v850.c (notice_update_cc): Likewise.
14623 * genemit.c (main): Don't declare recog_operand.
14625 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14627 * ggc.h (rtvec_def): Forward declare.
14628 (tree_node): Likewise.
14629 (ggc_root): Define.
14631 (ggc_set_mark_rtx): Add prototype.
14632 (ggc_set_mark_rtvec): Likewise.
14633 (ggc_set_mark_tree): Likewise.
14634 * ggc-simple.c (ggc_root): Don't define.
14635 (roots): Don't declare.
14636 (ggc_mark_rtx): Remove.
14637 (ggc_mark_rtvec): Likewise.
14638 (ggc_mark_tree): Likewise.
14639 (ggc_mark_varray): Likewise.
14640 (ggc_mark_tree_hash_table_entry): Likewise.
14641 (ggc_mark_tree_hash_table): Likewise.
14642 (ggc_set_mart_rtx): New function.
14643 (ggc_set_mark_rtvec): Likewise.
14644 (ggc_set_mark_tree): Likewise.
14645 (ggc_add_root): Remove.
14646 (ggc_add_rtx_root): Likewise.
14647 (ggc_remove_tree_root): Likewise.
14648 (ggc_add_string_root): Likewise.
14649 (ggc_add_tree_varray_root): Likewise.
14650 (ggc_add_tree_hash_table_root): Likewise.
14651 (ggc_del_root): Likewise.
14652 (ggc_mark_rtx_ptr): Likewise.
14653 (ggc_mark_tree_ptr): Likewise.
14654 (ggc_mark_string_ptr): Likewise.
14655 (ggc_mark_tree_varray_ptr): Likewise.
14656 (ggc_mark_tree_hash_table_ptr): Likewise.
14657 * ggc-common.c: New file.
14658 * Makefile.in (OBJS): Add ggc-common.o.
14659 (ggc-common.o): List dependencies.
14661 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14663 * cppalloc.c (xstrdup): Use memcpy.
14664 * cpperror.c (cpp_print_containing_files): Don't use
14666 * cpplib.c (conditional_skip): Set temp->lineno.
14667 (do_endif): Make error message less obscure.
14668 (if_directive_name): New function.
14669 (cpp_get_token [case EOF]): Unwind the if stack and generate
14670 error messages for each unterminated conditional in this file.
14671 (parse_string): Do not behave differently if -traditional.
14673 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14675 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14676 va_list decomposing to pointer-type.
14677 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14678 (rs6000_va_arg): Likewise.
14680 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14682 * except.c (start_dynamic_handler): Compute size using
14683 STACK_SAVEAREA_MODE.
14685 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14687 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14688 include directory headers. Don't define strrchr. Don't provide
14689 my_* replacement functions. Prefer PTR over `pointer_type'.
14690 Don't prototype system functions. Don't redefine getopt.
14692 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14693 safe_read, safe_write, save_pointers, restore_pointers,
14694 is_id_char, in_system_include_dir, directory_specified_p,
14695 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14696 find_corresponding_lparen, referenced_file_is_newer,
14697 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14698 process_aux_info_file, identify_lineno, check_source,
14699 seek_to_line, forward_to_next_token_char, output_bytes,
14700 output_string, output_up_to, other_variable_style_function,
14701 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14702 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14703 find_static_definition, connect_defs_and_decs, add_local_decl,
14704 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14705 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14706 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14707 scan_for_missed_items, edit_file, string_list_cons): Add static
14709 (standard_exec_prefix, target_machine, target_version,
14710 default_syscalls_dir, string_list, string_list_cons, find_file,
14711 do_cleaning): Constify a char*.
14712 (safe_read, safe_write): Use PTR, not a char*.
14713 (is_id_char): Take an int, not a char.
14714 (main): Add prototype. Call return, not exit.
14716 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14718 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14719 when comparing types.
14721 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14723 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14724 (strength_reduce): Release the varrays from the no-bivs early exit.
14726 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14727 the loop over the registers.
14729 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14731 (restore_tree_status): Check that instead when freeing the obstack.
14733 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14735 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14738 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14740 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14741 operand size modifiers.
14743 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14745 * c-common.c (c_common_nodes_and_builtins): Don't build
14747 * c-common.h (enum c_tree_index and related accesor macros): Remove
14748 everything now declared in tree.h.
14749 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14750 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14751 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14752 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14753 unsigned_type_node, ptr_type_node, va_list_type_node,
14754 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14755 (init_decl_processing): Call build_common_tree_nodes and
14756 build_common_tree_nodes_2 instead of building their nodes here.
14757 Don't add roots for these nodes.
14758 * stor-layout.c (size_zero_node, size_one_node): Delete.
14759 (set_sizetype): Make a new node for bitsizetype each time.
14760 * tree.c (global_trees): New variable.
14761 (init_obstacks): Add a gc root for it.
14762 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14763 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14764 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14765 (build_common_tree_nodes): New function.
14766 (fix_sizetype): New function.
14767 (build_common_tree_nodes_2): New function.
14768 * tree.h (enum tree_index): New.
14769 (global_trees): Declare.
14770 Add accessor macros for all nodes now moved to global_trees.
14771 Delete their declarations.
14773 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14775 * c-decl.c (finish_function): When processing a nested function,
14776 push and pop GC context around rest_of_compilation.
14778 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14780 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14781 Default ix86_arch to PROCESSOR_I386.
14782 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14783 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14784 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14785 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14786 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14787 (EXTRA_SPECS): Remove deleted specs.
14789 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14791 * function.c (assign_stack_local_1): Allocate from
14792 function->x_frame_offset, not frame_offset.
14794 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14796 * ggc.h (lang_cleanup_tree): Remove.
14797 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14798 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14800 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14801 TYPE_LANG_SPECIFIC when garbage collecting.
14802 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14803 (lang_cleanup_tree): Remove.
14805 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14807 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14808 * crtstuff.c: Not here.
14809 * dwarf2out.c: Or here.
14810 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14813 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14815 * function.h (free_after_compilation): Remove decl parameter.
14816 (free_varasm_status0: Likewise.
14817 (free_emit_status): Likewise.
14818 (free_stmt_status): Likewise.
14819 (free_after_compilation): Likewise.
14820 (init_lang_status): New variable.
14821 (free_lang_status): Likewise.
14822 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14823 * function.c (init_lang_status): New variable.
14824 (free_lang_status): Likewise.
14825 (push_function_context_to): Don't set function::decl here.
14826 (free_after_copmilation): Make decl parameter implicit. Call
14827 free_lang_status if defined.
14828 (prepare_function_start): Call init_lang_status if defined.
14829 (init_function_start): Set function::decl here.
14830 * profile.c (output_func_start_profiler): Don't call pushdecl
14831 until we've actually started the function.
14832 * stmt.c (free_stmt_status): Make decl parameter implicit.
14833 * toplev.c (rest_of_compilation): Don't pass decl to
14834 free_after_compilation.
14835 * varasm.c (free_varasm_status): Likewise.
14837 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14839 * except.c (call_get_eh_context): Add root when allocating static
14842 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14844 * arm.c: Include "ggc.h".
14845 (arm_add_gc_roots): New function.
14846 (arm_override_options): Call it.
14847 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14849 * arm.md (define_asm_attributes): Add a pool_range attribute.
14851 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14853 * extend.texi (Volatiles): New node.
14855 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14857 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14858 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14859 (struct ggc_any): Replace `mark' with `magic_mark'.
14860 (ggc_alloc_string): Use memcpy, not bcopy.
14861 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14862 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14863 (ggc_free_any): New.
14864 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14865 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14866 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14867 Use IS_MARKED. Use ggc_free_any.
14869 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14871 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14873 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14875 * toplev.c (main): Always init_ggc.
14877 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14879 * except.c (find_all_handler_type_matches): Free the list if
14880 we found no matches.
14882 * combine.c (SUBST): Break out to a real function do_SUBST.
14883 (SUBST_INT): Likewise.
14884 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14885 (pre_insert): Free `inserted'.
14886 * loop.c (basic_induction_var): Always set `location'.
14888 * function.c (expand_function_end): Add initial_trampoline as a root.
14889 * rtl.h (init_varasm_once): Declare.
14890 * toplev.c (compile_file): Call it.
14891 * ggc-simple.c (ggc_mark_string_ptr): New.
14892 (ggc_add_string_root): New.
14893 (ggc_collect): Disable collection avoidance temporarily.
14894 * ggc.h (ggc_add_string_root): Declare.
14895 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14896 * optabs.c (init_libfuncs): Likewise.
14897 * varasm.c (named_section): Use ggc_alloc_string.
14898 (make_function_rtl): Likewise.
14899 (make_decl_rtl): Likewise.
14900 (assemble_static_space): Likewise.
14901 (assemble_trampoline_template): Likewise.
14902 (output_constant_def): Likewise.
14903 (force_const_mem): Likewise.
14904 (mark_const_hash_entry): New.
14905 (mark_pool_sym_hash_table): New.
14906 (mark_varasm_state): Use it.
14907 (init_varasm_once): New.
14909 * expr.h (init_one_libfunc): Declare.
14910 * optabs.c (init_one_libfunc): New.
14911 (init_optabs): Use it.
14912 * config/gofast.h: Likewise.
14913 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14914 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14916 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14918 * Makefile.in (cppexp.o): Depend on cpphash.h.
14919 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14921 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14922 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14923 redefining poisoned identifiers, etc.
14924 (do_undef): Don't allow poisoned identifiers to be undefined.
14925 (do_pragma): Add #pragma poison.
14926 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14928 * cccp.c: Add T_POISON node type.
14929 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14931 (do_define): Generalise to handle poisoned definitions,
14932 redefining poisoned identifiers, etc.
14933 (do_undef): Don't allow poisoned identifiers to be undefined.
14934 (do_pragma): Add #pragma poison.
14935 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14937 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14938 * c-pragma.h: Add ps_poison state. We now always have generic
14941 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14943 * ggc.h (ggc_alloc): New function.
14944 (ggc_mark): Likewise.
14945 * ggc-simple.c (ggc_any): New structure.
14946 (ggc_status): Add anys.
14947 (n_anys_collected): New variable.
14948 (ggc_alloc): Define.
14949 (ggc_mark): Likewise.
14950 (ggc_collect): Collect the anys.
14952 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14954 * c-decl.c (mark_binding_level): Make static to match prototype.
14956 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14958 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14960 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14962 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14963 will use into account. Expand the max width to 5.
14966 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14968 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14969 for the rtx length.
14971 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14973 * alpha.md (call value patterns): Remove the result predicates.
14975 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14977 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14980 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14982 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14983 changed from extern char *, to extern PTR. Also fix typo in
14984 NEED_DECLARATION_REALLOC test.
14986 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14988 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14990 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14991 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14992 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14993 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14995 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14997 * cccp.c (pcfinclude): Likewise.
14999 * global.c (allocno_compare): Likewise.
15001 * haifa-sched.c (rank_for_schedule): Likewise.
15003 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
15005 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
15007 * stupid.c (stupid_reg_compare): Likewise.
15009 * tree.c (_obstack_allocated_p): Likewise.
15011 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
15013 1999-09-08 Bruce Korb autogen@linuxbox.com
15015 * Makefile.in: Give the hapless gperf user a hint about
15016 why "gperf -F" fails.
15018 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
15020 * lists.c: Include ggc.h.
15022 (init_EXPR_INSN_LIST_cache): Install it.
15024 * ggc-simple.c (init_ggc): Absorb the old init.
15025 (ggc_push_context): Use xcalloc.
15026 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
15027 (ggc_collect): Add [rvts] tags to the collection stats.
15029 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
15031 * cccp.c (main): Fix handling of -include and -imacros options.
15033 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
15035 * cpplib.c (cpp_push_buffer): Fix order of arguments.
15037 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15039 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
15042 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15044 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
15045 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
15046 and SET_DEST. Update comment.
15048 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15050 * config/c4x/c4x.c: Include ggc.h.
15051 (c4x_add_gc_roots): New function.
15052 (c4x_override_options): Call c4x_add_gc_roots.
15054 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
15056 * defaults.h (TARGET_ESC): Move ...
15057 * system.h: ... here, where Linas had it in the first place. Silly me.
15059 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
15061 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
15062 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
15063 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
15064 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
15065 * defaults.h (TARGET_ESC): Add default.
15067 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
15069 * configure.in: add i370-*-openedition, i370-*-mvs and
15070 i370-*-linux targets
15072 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
15074 * dsp16xxx.c: Include ggc.h
15075 (override_options): Mark GC roots.
15076 * mn10200.c: Include ggc.h.
15077 (asm_file_start): Mark GC roots.
15078 * tahoe.c: Include ggc.h.
15079 (extensible_operand): Mark GC roots.
15081 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
15083 * README: Add section discussing status of ELF ABI.
15084 * i370.c: Fix misc spelling mistakes.
15085 (i370_label_scan): Updated notes, exception handling.
15086 (i370_function_prolog): Simplify ELF stack handling.
15087 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
15088 (STACK_GROWS_DOWNWARD): ELF stack grows down.
15089 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
15090 * i370.md: (movdi): Add notes.
15091 (floatsidf2): Use stack not rtca for scratch float area.
15092 (iorsi3): Correct operand constraints.
15093 * x-oe: Restore TAROUTOPTS which are used by pax.
15095 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
15097 * rs6000.c: Include ggc.h.
15098 (rs6000_add_gc_roots): New function.
15099 (override_options): Call it.
15101 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
15103 * alpha.h (alpha_compare): New.
15104 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
15105 * alpha.c: Likewise for the definitions.
15106 (alpha_emit_conditional_branch): Update for alpha_compare.
15107 (alpha_emit_conditional_move): Likewise.
15108 * alpha.md (cmpdf, cmpdi): Likewise.
15109 (setcc patterns): Likewise. Zero alpha_compare after use.
15110 (sne): Optimize (x != 0) into (0U < x).
15112 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
15114 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
15115 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
15116 (INIT_EXPANDERS): Remove.
15117 * alpha.c: Include ggc.h.
15118 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
15119 (alpha_init_machine_status, alpha_mark_machine_status): New.
15120 (override_options): Install them.
15121 (struct machine_function): Moved to alpha.h.
15122 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
15123 (alpha_init_expanders): Remove.
15124 (alpha_return_addr): Adjust to use current_function->machine.
15125 (alpha_ra_ever_killed): Likewise.
15126 (alpha_expand_epilogue): Likewise.
15127 * alpha.md (eh_epilogue): Likewise.
15129 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
15130 Melissa O'Neill <oneill@cs.sfu.ca>
15131 Geoffrey Keating <geoffk@cygnus.com>
15133 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
15134 call-used registers (call-saved registers must still be contiguous
15135 and end with r31, of course).
15137 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
15139 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
15140 (self_promoting_type_p): Delete.
15141 (self_promoting_args_p): Move ...
15142 * c-common.c: ... here.
15143 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
15144 (simple_type_promotes_to): New.
15145 * builtins.c (lang_type_promotes_to): New.
15146 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
15147 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
15148 * c-common.h: ... here.
15149 (self_promoting_args_p, simple_type_promotes_to): Declare.
15150 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
15151 (grokdeclarator): Likewise.
15152 * tree.h (lang_type_promotes_to): Declare.
15154 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
15156 Add some machine-dependent GC roots.
15157 * sparc.c: Include ggc.h.
15158 (sparc_add_gc_roots): New function.
15159 (mark_ultrasparc_pipeline_state): Likewise.
15160 (override_options): Call sparc_add_gc_roots.
15161 * pa.c: Include ggc.h.
15162 (pa_add_gc_roots): New function.
15163 (mark_deferred_plabels): Likewise.
15164 (override_options): Call pa_add_gc_roots.
15165 * mips.c: Include ggc.h.
15166 (mips_add_gc_roots): New function.
15167 (override_options): Use it.
15169 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15171 * cpperror.c (cpp_file_line_for_message): Constify a char*.
15173 * cppexp.c (parse_number, parse_charconst, cpp_lex,
15174 cpp_parse_expr): Add static prototypes.
15175 (parse_charconst): Don't cast away const-ness.
15176 (token): Constify a char*.
15178 * cppfiles.c (file_name_list, include_hash, find_include_file,
15179 finclude, initialize_input_buffer): Constify a char*.
15180 (file_cleanup, find_position): Add static prototypes.
15182 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
15183 collect_expansion): Add static prototypes.
15184 (cpp_install, create_definition, monthnames): Constify a char*.
15186 * cpphash.h (cpp_install): Likewise.
15188 * cppinit.c (known_suffixes, default_include,
15189 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
15190 (base_name, dump_special_to_buffer, initialize_dependency_output):
15191 Add static prototypes.
15193 * cpplib.c (my_strerror): Constify a char*.
15194 (null_underflow, null_cleanup, skip_comment, copy_comment,
15195 copy_rest_of_line, handle_directive, pass_thru_directive,
15196 get_directive_token, read_line_number, cpp_print_file_and_line,
15197 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
15198 v_cpp_warning_with_line, detect_if_not_defined,
15199 consider_directive_while_skipping): Add static prototypes.
15200 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
15201 cpp_pedwarn_with_file_and_line): Constify a char*.
15203 * cpplib.h (cpp_options, include_hash, progname, definition,
15204 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
15205 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
15206 find_include_file, deps_output, include_hash): Constify a char*.
15208 * cppmain.c (progname): Constify.
15209 (main): Add prototype. Use return, not exit.
15211 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
15212 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
15213 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
15214 check_protection): Add static prototype.
15216 (progname, recognized_macrom, recognized_extern): Constify a char*.
15217 (main): Add prototype.
15219 * gen-protos.c (progname): Constify a char*.
15221 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
15223 * emit-rtl.c (free_emit_status): Take decl as a parameter.
15224 (init_emit_once): Add more GC roots.
15225 * except.c (mark_func_eh_entry): New function.
15226 (mark_eh_node): Mark false_label and rethrow_label.
15227 (init_eh): Add more GC roots.
15228 * function.c (free_after_compilation): Take decl as a paramter.
15229 Call free_stmt_status.
15230 (mark_function_state): Don't assume x_parm_reg_stack_loc is
15232 * function.h (free_after_compilation): Change prototype.
15233 (free_varasm_status): Likewise.
15234 (free_emit_status): Likewise.
15235 (free_stmt_status): New function.
15236 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
15237 Remove, replacing with ...
15238 (ggc_status): New structure.
15239 (ggc_chain): New variable.
15240 (init_gcc): Define.
15241 (ggc_push_context): New function.
15242 (ggc_pop_context): Likewise.
15243 (ggc_alloc_rtx): Adjust for use of ggc_chain.
15244 (ggc_alloc_rtvec): Likewise.
15245 (ggc_alloc_tree): Likewise.
15246 (ggc_alloc_string): Likewise.
15247 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
15248 (ggc_mark_tree): Give language-dependent code a chance to mark
15250 (ggc_mark_tree_varray): Handle empty arrays.
15251 (ggc_collect): Adjust for use of ggc_chain. Clear
15252 bytes_alloced_since_last_gc.
15253 * ggc.h (ggc_pop_context): New function.
15254 (ggc_push_context): Likewise.
15255 * print-tree.c (print_node): Don't print obstacks when GC'ing.
15256 * stmt.c (free_stmt_status): New function.
15257 (init_stmt_for_function): Clear last_expr_value.
15258 * toplev.c (rest_of_compilation): Always call free_after_compilation.
15259 Conditionalize call to ggc_collect.
15260 (main): Call init_ggc.
15261 * tree.c (push_obstacks): Do the push, even when GC'ing.
15262 (push_obstacks_nochange): Likewise.
15263 (pop_obstacks): Liekwise.
15264 * varasm.c (free_varasm_status): Take decl as a parameter.
15266 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
15268 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
15269 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
15270 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
15271 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
15273 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
15275 * pa/x-pa-mpeix: New file for the MPE port.
15277 * pa/quadlib.asm: New file for long double support.
15279 * configure.in: Add hppa1.0-*-mpeix for MPE port.
15280 * configure: Rebuilt.
15282 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
15284 * final.c (shorten_branches): Fix last change.
15286 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
15288 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
15290 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
15292 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
15295 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15297 * c-aux-info.c (concat): Don't define.
15299 * cccp.c (my_strerror): Likewise. All callers changed to use
15301 (do_include): Call xstrdup, not xmalloc/strcpy.
15302 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
15303 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
15305 * collect2.c (my_strsignal): Likewise. All callers changed to use
15307 (locatelib): Call xstrdup, not xmalloc/strcpy.
15309 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
15311 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
15313 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
15315 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15317 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15319 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15321 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15323 (find_all_handler_type_matches): Likewise. Don't check return
15325 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15326 xmalloc, not malloc.
15327 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15329 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15330 (init_spec): Call xcalloc, not xmalloc/bzero.
15331 (set_spec): Call xstrdup, not save_string.
15332 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15333 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15334 (process_command): Call xstrdup, not save_string.
15335 (main): Call xcalloc, not xmalloc/bzero.
15337 * gcov.c (xmalloc): Don't define.
15338 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15339 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15340 (output_data): Call xcalloc, not xmalloc/bzero.
15342 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15344 * mips-tdump.c (xmalloc): Don't define.
15345 (print_symbol): Call xmalloc, not malloc.
15346 (read_tfile): Call xcalloc, not calloc.
15348 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15349 Don't define. All callers of xfree/my_strsignal changed to use
15350 free/strsignal instead.
15351 (allocate_cluster): Call xcalloc, not calloc.
15353 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15354 Fix memory leak, free allocated memory.
15356 * prefix.c (translate_name): Call xstrdup, not save_string.
15357 (update_path): Likewise.
15359 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15361 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15362 Don't define. Callers of xfree/savestring2 changed to use
15363 free/concat instead.
15365 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15366 (init_elim_table): Likewise.
15368 * resource.c (init_resource_info): Likewise.
15370 * stupid.c (stupid_life_analysis): Likewise.
15372 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15373 (open_dump_file): Call concat, not xmalloc/strcpy/...
15374 (clean_dump_file): Likewise.
15375 (compile_file): Call xstrdup, not xmalloc/strcpy.
15377 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15379 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15380 * v850.c (v850_va_arg): New.
15382 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15384 * haifa-sched.c: Tidy comments.
15386 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15388 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15389 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15390 $(out_object_file)): Depend on ggc.h.
15391 * c-common.c: Include "ggc.h".
15392 (combine_strings): If doing GC, use ggc_alloc_string.
15393 * c-decl.c: Include "ggc.h".
15394 (ggc_p): Define with value 0.
15395 (mark_binding_level): New function.
15396 (init_decl_processing): Add GC roots.
15397 (mark_c_function_context): New function.
15398 (lang_mark_false_label_stack): New function.
15399 (lang_mark_tree): New function.
15400 (lang_cleanup_tree): New function.
15401 * c-lang.c: Include "ggc.h".
15402 (lang_init): Call c_parse_init.
15403 * c-lex.c: Include "ggc.h".
15404 (check_linenum): If doing GC, don't copy filenames to permanent
15406 * c-parse.in: Include "ggc.h".
15407 (c_parse_init): New function.
15408 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15409 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15411 * except.c (mark_eh_state): Mark more state.
15412 * function.c (mark_function_state): Likewise.
15413 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15414 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15415 * toplev.c (mark_file_stack): New function.
15416 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15417 (main): Add root for input_file_stack.
15419 * i386.c: Include "ggc.h".
15420 (ix86_mark_machine_status): New function.
15421 (override_options): Set mark_machine_status.
15423 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15425 * tree.c (copy_node): Copy node contents also if doing GC.
15427 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15429 * collect2.c (scan_libraries): Fix double-thinko :-).
15431 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15433 * collect2.c (scan_libraries): Fix thinko.
15435 * cse.c (delete_trivially_dead_insns): Do not skip the last
15436 insn if it is a real insn.
15438 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15440 * Makefile.in (ggc-simple.o): Depend on hash.h.
15441 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15442 (ggc_mark_tree_varray): Likewise.
15443 (ggc_mark_tree_hash_table): Likewise.
15444 * ggc-simple.c: Include hash.h.
15445 (ggc_mark_tree_hash_table_ptr): New function.
15446 (ggc_mark_tree_hash_table_entry): Likewise.
15447 (ggc_mark_tree_hash_table): Likewise.
15448 (ggc_add_tree_hash_table_root): Likewise.
15449 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15450 rtx, when defining fields.
15452 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15454 * profile.c (output_func_start_profiler): Remove apparently
15455 nonsensical call to start_sequence.
15457 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15459 * clipper/clipper.c (clipper_va_start): Fix typos.
15461 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15462 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15463 (spur_va_arg): New stub.
15465 * configure.in: Comment out pyramid.
15467 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15469 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15470 don't conflict with the bits that win32, cygwin, and dgux
15473 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15474 Bernd Schmidt <bernds@cygnus.co.uk>
15476 * integrate.c (function_cannot_inline_p): Do not inline
15477 functions with forced labels.
15479 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15480 Bernd Schmidt <bernds@cygnus.co.uk>
15481 Mark Mitchell <mark@codesourcery.com>
15483 * Makefile.in (ggc-simple.o): Depend on varray.h.
15484 (rtl.o): Depend on ggc.h.
15485 (genattrtab.o): Depend on ggc.h.
15486 (print-tree.o): Likewise.
15487 (fold-const.o): Likewise.
15488 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15489 (make_insn_raw): Don't cache insns when GC'ing.
15490 (emit_insn_before): Likewise.
15491 (emit_insn_after): Likewise.
15492 (emit_insn): Likewise.
15493 (start_sequence): Use xmalloc to allocate the sequence_stack.
15494 (end_sequence): Add free to free it.
15495 (gen_sequence): Don't cache insns when GC'ing.
15496 (clear_emit_caches): Don't use sequence_element_free_list.
15497 (init_emit): Use xcalloc, not xmalloc+bzero.
15498 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15499 * function.c (pop_function_context_from): Use free to free the
15500 fixup_var_refs_queue.
15501 (put_reg_into_stack): Allocate it with xmalloc.
15502 * genattrtab.c: Include ggc.h.
15503 (operate_exp): Don't use obstack_free when GC'ing.
15504 (simplify_cond): Likewise.
15505 (simplify_text_exp): Likewise.
15506 (optimize_attrs): Likewise.
15507 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15509 (gencode): Generate a #include for ggc.h.
15510 * ggc-callbacks.c (ggc_p): Define it to zero.
15511 * ggc-none.c (ggc_p): Likewise.
15512 * ggc-simple.c: Include varray.h.
15513 (ggc_mark_tree_varray): New function.
15514 (ggc_add_tree_varray_root): Likewise.
15515 (ggc_mark_tree_varray_ptr): Likewise.
15516 * ggc.h (ggc_p): Declare.
15517 (varray_head_tag): Likewise.
15518 (ggc_add_tree_varray_root): Declare.
15519 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15520 inconsistencies when GC'ing.
15521 * rtl.c: Include ggc.h.
15522 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15523 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15524 (rtx_free): Don't call obstack_free when GC'ing.
15525 * toplev.c (rest_of_compilation): Call ggc_collect after every
15527 * tree.c (push_obstacks): Do nothing, if GC'ing.
15528 (pop_obstacks_nochange): Likewise.
15529 (pop_obstacks): Likewise.
15530 (make_node): Use ggc_alloc_tree when GC'ing.
15531 (copy_node): Likewise.
15532 (get_identifier): Use ggc_alloc_string when GC'ing.
15533 (build_string): Likewise.
15534 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15535 (tree_cons): Likewise.
15536 (build1): Likewise.
15537 (type_hash_canon): Don't call obstack_free when GC'ing.
15539 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15541 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15542 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15544 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15545 Bernd Schmidt <bernds@cygnus.co.uk>
15546 Mark Mitchell <mark@codesourcery.com>
15548 * Makefile.in (stor-layout.o): Depend on ggc.h.
15549 (expr.o): Depend on ggc.h.
15550 (profile.o): Depend on ggc.h.
15551 (stor-layout.o): Depend on ggc.h.
15552 * emit-rtl.c (init_emit_once): Add gc roots.
15553 * expr.c: Include ggc.h.
15554 (emit_block_move): Add gc roots.
15555 (clear_storage): Likewise.
15556 * expr.h (init_stor_layout_once): New function.
15557 * profile.c: Include ggc.h.
15558 (init_arc_profiler): profiler_label is a root.
15559 * scan.c (make_sstring_space): Trust xrealloc to function
15560 correctly with first parameter NULL.
15561 * stor-layout.c: Include ggc.h.
15562 (set_sizetype): Add gc root.
15563 (init_stor_layout_once): New function.
15564 * toplev.c (compile_file): Call it.
15566 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15567 Bernd Schmidt <bernds@cygnus.co.uk>
15568 Mark Mitchell <mark@codesourcery.com>
15570 * Makefile.in (tree.o): Depend on ggc.h.
15571 (varasm.o): Likewise.
15572 (function.o): Likewise.
15573 (stmt.o): Likewise.
15574 (except.o): Likewise.
15575 (optabs.o): Likewise.
15576 (emit-rtl.o): Likewise.
15577 * emit-rtl.c: Include ggc.h.
15578 (sequence_element_free_list): Remove, and all references.
15579 (mark_sequence): New functions.
15580 (mark_emit_state): New function.
15581 * except.c: Include ggc.h.
15582 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15583 (mark_tree_label_node): New functions.
15584 (mark_eh_state): New function.
15585 * function.c: Include ggc.h.
15586 (mark_temp_slot, mark_function_chain): New functions.
15587 (mark_function_state): New function.
15588 (init_function_once): New function.
15589 * function.h (init_function_once): New function.
15590 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15591 * ggc.h (label_node): Declare.
15592 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15593 (lang_mark_false_label_stack): New function.
15594 (mark_temp_slot): Remove declaration.
15595 (mark_function_chain): Likewise.
15596 (mark_eh_state): Adjust prototype.
15597 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15599 * optabs.c: Include ggc.h.
15600 (mark_optab): New function.
15601 (init_optabs): Add gc roots.
15602 * stmt.c: Include ggc.h.
15603 (mark_cond_nesting, mark_loop_nesting): New functions.
15604 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15605 (mark_stmt_state): New function.
15606 * toplev.c (compile_file): Call init_function_once.
15607 * tree.c: Include ggc.h.
15608 (type_hash): Move declaration earlier in file.
15609 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15610 (init_obstacks): Add gc roots.
15611 (mark_type_hash): New function.
15612 * varasm.c: Include ggc.h.
15613 (mark_pool_constant): New function.
15614 (mark_varasm_state): New function.
15616 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15618 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15620 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15622 * c-decl.c (struct language_function): Renamed from struct c_function.
15624 (c_function_chain): Delete.
15625 (push_c_function_context): New arg F. Don't warn about nested
15626 functions here. Fill LANGUAGE elt of F. Delete code to update
15627 c_function_chain. Don't call push_function_context.
15628 (pop_c_function_context): New arg F. Restore from there instead of
15629 from c_function_chain. Don't call pop_function_context. Clear out
15630 LANGUAGE field of F when done.
15631 * c-lang.c: Include "function.h"
15632 (lang_init): Initialize save_lang_status and restore_lang_status.
15633 * c-parse.in (nested_function, nested_function_notype): Warn about
15634 nested functions. Call push_function_context/pop_function_context
15635 instead of the _c_ variants.
15636 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15638 * Makefile.in (c-lang.o): Update dependencies.
15640 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15641 regno_pointer_flag, regno_pointer_align.
15642 (gen_reg_rtx): Use xrealloc to enlarge them.
15643 (free_emit_status): New function.
15644 * function.c (mark_machine_status, mark_lang_status): New variables.
15645 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15646 in some bits from assign_stack_local. All callers changed to use new
15648 (assign_stack_local): Just call assign_stack_local_1.
15649 (free_after_compilation): New function.
15650 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15651 (trampoline_address): Likewise.
15652 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15653 (prepare_function_start): Explicitly clear some more variables.
15654 * function.h (struct function): New elt can_garbage_collect.
15655 (mark_machine_status, mark_lang_status): Declare variables.
15656 (free_after_compilation, free_emit_status, free_varasm_status,
15657 init_varasm_status): Declare functions.
15658 * toplev.c (rest_of_compilation): Call free_after_compilation when
15659 done with the current function.
15660 * varasm.c (free_varasm_status): New function.
15662 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15664 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15665 (EXPAND_BUILTIN_VA_ARG): Define.
15666 * sparc.c (sparc_va_start): New.
15667 (sparc_va_arg): New.
15669 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15671 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15673 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15675 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15677 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15679 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15680 (OBJS): Add $(GGC).
15681 (ggc-callbacks.o): New target.
15682 * ggc-callbacks.c: New file.
15684 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15686 * expr.h: Collapse individual optab and libfunc vars to arrays.
15687 (optab_index, libfunc_index): New enumerations.
15688 (optab_table, libfunc_table): New arrays.
15689 Add accessor macros for both.
15691 * optabs.c (optab_table, libfunc_table): New.
15692 Delete declarations for individual optab and libfunc vars.
15694 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15696 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15698 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15700 * Makefile.in (GGC, GGC_LIB): New.
15701 (HOST_RTL): Include ggc-none.o.
15702 (ggc-simple.o): New target.
15703 (ggc-none.o): Likewise.
15704 * tree.h (tree_common): Add gc_mark.
15705 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15706 (struct rtvec_def): Add gc_mark.
15707 * emit-rtl.c (global_rtl): Update static initializers to contain
15708 enough initializers.
15709 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15710 * toplev.c (gc_time): New variable.
15711 (all_time): New variable.
15712 (compile_file): Print gc time.
15713 (print_time): Calculate percentage of the whole.
15715 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15717 Change obstack memory management and varasm constant pool handling so
15718 that nested functions are treated like any other functions.
15719 * function.c (init_machine_status): New variable.
15720 (push_function_context_to): Set contains_functions for the outer
15721 function. Don't call save_varasm_status.
15722 (pop_function_context_from): Don't call restore_varasm_status. Don't
15723 set current_function_contains_functions.
15724 (prepare_function_start): Call init_varasm_status rather than
15725 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15727 * function.h (struct function) Add field varasm. Delete fields
15728 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15729 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15730 (init_machine_status): Declare.
15731 (save_varasm_status, restore_varasm_status): Delete declarations.
15732 (save_tree_status, restore_tree_status): Delete last argument.
15733 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15734 code. All callers changed.
15735 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15736 save_constants_in_decl_trees, restore_constants, save_constants,
15737 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15739 (inlining): New variable.
15740 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15741 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15743 (save_for_inline_nocopy): Don't save constants.
15744 Don't set inl_emit field in current_function.
15745 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15746 function. Set new variable inlining before
15747 calling copy_rtx_and_substitute.
15748 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15749 constant pool references if inlining is nonzero.
15750 Delete ADDRESS and (most of the) CONST cases.
15751 (output_inline_function): Save and restore current_function/
15752 current_function_decl. Delete restore_constants code. Don't call
15753 init_const_rtx_hash_table.
15754 * output.h (init_const_rtx_hash_table): Don't declare.
15755 * rtl.h (struct function): Declare.
15756 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15757 * toplev.c (rest_of_compilation): Don't treat nested functions or
15758 functions containing them specially. Delete all code to deal with
15759 save_for_inline_copying.
15760 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15761 inline_obstacks): Delete variables.
15762 (save_tree_status): Lose arg CONTEXT. All callers changed.
15763 Simply allocate a new function_maybepermanent_obstack for the new
15764 function, delete all the special cases.
15765 Don't save inline_obstacks.
15766 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15767 Delete special handling for function_maybepermanent_obstack; simply
15769 Don't restore inline_obstacks.
15770 (permanent_allocation): Delete code that frees inline_obstacks.
15771 (print_inline_obstack_statistics): Delete function.
15772 (dump_tree_statistics): Don't call it.
15773 * varasm.c (struct varasm_status): New.
15774 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15775 last_pool, pool_offset, const_double_chain): Delete global
15776 variables, replace with accessor macros.
15777 (immed_double_const): Don't walk const_double_chain outside a
15778 function, but don't treat nested functions specially anymore.
15779 (immed_real_const_1): Likewise.
15780 (clear_const_double_mem): Don't treat nested functions specially.
15781 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15782 (save_varasm_status, restore_varasm_status): Delete functions.
15783 (init_varasm_status): New function.
15784 (force_const_mem): Don't treat nested functions specially.
15785 (find_pool_constant): Accept new arg F, search for constants in
15786 that function's pool rather than the current one. All callers
15788 (get_pool_constant_for_function, get_pool_mode_for_function): New
15791 * i386.c (init_386_machine_status): New function, mostly from
15792 clear_386_stack_locals.
15793 (struct machine_functions): Rename element names to avoid name
15795 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15796 macros, replacing global variables.
15797 (clear_386_stack_locals, save_386_machine_status,
15798 restore_386_machine_status): Delete functions.
15799 (override_options): Initialize init_machine_status.
15800 * i386.h (INIT_EXPANDERS): Delete macro.
15801 (save_386_machine_status, restore_386_machine_status,
15802 clear_386_stack_locals): Delete declarations.
15804 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15806 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15807 (doloop_begin): Simplify pattern and use emit_jump_insn.
15808 (doloop_end): Simplify pattern, switch operand order,
15809 and use emit_jump_insn.
15811 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15813 * function.h (struct function): Add new element LANGUAGE.
15814 (save_lang_status): Declare new variable.
15815 (restore_lang_status): Likewise.
15816 * function.c (save_lang_status): Define.
15817 (restore_lang_status): Likewise.
15818 (push_function_context_to): Call language-specific save function.
15819 (pop_function_context_from): Call language-specific restore function.
15821 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15823 * i386.md (movsf_1): Check REG_P before use of REGNO.
15824 (movdf_1): Likewise.
15825 (movxf_1): Likewise.
15826 (extendsfdf2): Likewise.
15827 (extendsfxf2): Likewise.
15828 (extenddfxf2): Likewise.
15830 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15832 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15833 constants into memory.
15834 (c4x_shiftable_constant): New function.
15835 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15836 (c4x_shiftable_constant): Declare.
15837 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15838 ashlqi3_noclobber): Add new patterns and associated splitters.
15840 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15842 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15843 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15844 * final.c (shorten_branches): Likewise.
15845 * global.c (global_alloc): Likewise.
15846 * haifa-sched.c (build_control_flow): Likewise.
15847 * stmt.c (check_for_full_enumeration_handling): Likewise.
15848 (estimate_case_costs): Likewise.
15850 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15852 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15854 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15856 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15857 (recompute_reg_usage): Likewise.
15858 * rtlanal.c (find_regno_fusage): Likewise.
15860 * rtl.c (rtl_check_failed_code1): New function.
15861 (rtl_check_failed_code2): New.
15862 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15863 (RTL_CHECKC1, RTL_CHECKC2): New.
15864 (XC*): New accessor macros.
15865 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15866 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15867 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15868 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15869 (TRAP_*, RANGE_INFO_*): Likewise.
15871 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15873 * Makefile.in (tlink.o): Don't depend on toplev.h.
15875 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15876 output_file, nm_file_name, ldd_file_name, strip_file_name,
15877 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15878 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15879 fork_execute, maybe_unlink, add_to_list,
15880 extract_init_priority, write_list, dump_list,
15881 dump_prefix_list, write_list_with_asm, write_c_file,
15882 write_c_file_stat, write_c_file_glob, scan_prog_file,
15883 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15884 ignore_library, extract_string, notice, dump_file, target_machine,
15885 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15886 read_file, print_load_command): Constify a char*.
15887 (fdopen, error, fatal, fatal_perror): Don't prototype.
15888 (my_strerror): Remove. All callers use xstrerror instead.
15889 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15890 (main): Add prototype. Constify lots of char* ptrs. Change calls
15891 to xcalloc/strcpy/strcat/... to one call to concat.
15892 (main, scan_prog_file, scan_libraries): Use an intermediate
15893 `const char **' to build an argv array.
15894 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15896 * collect2.h (collect_execute, collect_wait, dump_file,
15897 file_exists): Constify a char*.
15898 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15899 temporary_firstobj, vflag, debug): Add extern declarations.
15900 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15902 * tlink.c: Don't include toplev.h.
15903 (vflag, debug, ldout, c_file_name, temporary_obstack,
15904 permanent_obstack, temporary_firstobj): Don't declare.
15905 (tlink_execute, frob_extension, symbol_hash_lookup,
15906 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15907 recompile_files, read_repo_files, demangle_new_symbols,
15908 scan_linker_output): Constify a char*.
15909 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15910 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15912 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15914 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15915 (relative) rather than jsr (absolute) subroutine call insns.
15916 * config/m68k/m68k-coff.h: Ditto.
15918 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15920 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15921 now rework these too.
15922 (arm_reorg): If an insn can't reach the end of the current pool,
15923 ensure that we emit that pool before the insn.
15925 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15927 * tlink.c (scan_linker_output): Skip the initial underscore in
15928 a mangled name if appropriate.
15930 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15932 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15933 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15934 error_with_ivar, gen_declarator, create_builtin_decl,
15935 my_build_string, generate_descriptor_table, generate_ivars_list,
15936 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15937 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15938 dump_base_name, lang_decode_option, build_encode_expr,
15939 start_class, finish_class, encode_pointer, really_start_method,
15940 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15942 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15943 Add static prototypes.
15944 (build_objc_string_decl, build_selector_reference_decl,
15945 encode_bitfield, build_class_reference_decl): Remove unused
15946 parameter, all callers changed.
15947 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15948 (objc_printable_name): Likewise. Change second parameter to type int.
15949 (init_objc): Use memcpy, not bcopy, to avoid casts.
15951 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15953 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15954 reg notes on a deleted insn.
15955 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15957 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15959 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15961 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15963 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15966 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15968 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15969 * tm.texi (MD_ASM_CLOBBERS): Document it.
15971 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15973 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15974 * except.c (expand_rethrow): Remove unused variable.
15975 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15976 * flow.c (replace_insns): Likewise.
15977 (create_edge_list, verify_edge_list): Likewise.
15978 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15980 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15981 is special code to run.
15982 (main): Don't define operands to emit_operand.
15983 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15985 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15987 * alpha/alpha.h (normal_memory_operand): Declare.
15988 (reg_no_subreg_operand): Declare.
15989 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15991 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15993 * c-parse.in (compstmt_primary_start): New, broken out of first
15994 part of compstmt handling in primary.
15995 (primary): Use it. Add an error clause.
15996 (compstmt_nostart): Renamed from compstmt; remove all
15997 initial invocations of compstmt_start.
16000 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
16002 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
16005 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
16007 * combine.c (simplify_shift_const): Remove extra semicolon.
16008 * dwarf2out.c (remove_AT): Likewise.
16009 * expmed.c (expand_mult): Likewise.
16010 * gcov.c (create_program_flow_graph): Likewise.
16011 * reorg.c (mostly_true_jump): Likewise.
16013 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
16015 * fold-const.c (fold_range_test): Do not try to fold the range
16016 test if the rhs or lhs has side effects.
16018 * combine.c (simplify_rtx): Recognize another case of a synthesized
16021 * varasm.c (mark_constant_pool): When marking indirect references,
16022 only look at SYMBOL_REFs.
16024 * except.c (expand_fixup_region_end): Do not peek at
16025 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
16027 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
16029 * flags.h: New variables align_loops, align_loops_log,
16030 align_jumps, align_jumps_log, align_labels, align_labels_log,
16031 align_functions, align_functions_log.
16032 * toplev.c: Define them.
16033 (f_options): Handle -falign-* when they have no argument.
16034 (main): Add logic to set variables for -falign-functions,
16035 -falign-jumps, -falign-labels, -falign-loops.
16036 Make it -fsched-verbose=<n> and -finline-limit=<n>.
16037 (display_help): Change help to match options.
16038 * final.c (LABEL_ALIGN): Default to align_labels_log.
16039 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
16040 (LOOP_ALIGN): Default to align_loops_log.
16041 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
16042 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
16043 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
16044 * varasm.c (assemble_start_function): Handle align_functions.
16046 * config/sparc/sparc.h: Don't declare sparc_align_*.
16047 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
16048 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
16050 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
16052 * config/sparc/sparc.c: Delete sparc_align_loops,
16053 sparc_align_jumps, sparc_align_funcs and the corresponding string
16055 (sparc_override_options): Default align_functions on ultrasparc.
16056 Delete -malign-* handling.
16058 * config/mips/mips.c (override_options): On 64-bit targets,
16059 try to align code to 64-bit boundaries.
16060 (print_operand): New substitution, %~,
16061 which aligns labels to align_labels_log.
16062 * config/mips/mips.md (div_trap_normal): Use %~.
16063 (div_trap_mips16): Likewise.
16065 (absdi2): Likewise.
16066 (ffssi2): Likewise.
16067 (ffsdi2): Likewise.
16068 (ashldi3_internal): Likewise.
16069 (ashrdi3_internal): Likewise.
16070 (lshrdi3_internal): Likewise.
16071 (casesi_internal): Likewise.
16073 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
16075 Merge new ia32 backend from the branch!
16077 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
16078 See ChangeLog.P2 on new_ia32_branch for details.
16080 * rtl.h (stack_regs_mentioned_p): Delete prototype.
16081 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
16082 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
16083 * i386/gas.h (ASM_FILE_START): Define.
16084 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
16085 for name change of ix86_valid_decl_attribute_p.
16086 (i386_pe_valid_type_attribute_p): Similarly.
16088 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
16090 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
16091 to step through CC modes.
16093 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16095 * regmove.c (fixup_match_1): Don't move INSN in front of P if
16096 it would end up in the shadow of a live flags regsiter.
16098 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16100 * reload1.c: Fix many indentation problems.
16101 * reload.c: Likewise.
16103 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
16105 * alias.c (non_local_reference_p): Constify fmt.
16107 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
16109 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
16111 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
16113 * cse.c (delete_trivially_dead_insns): Do not delete stores to
16114 the internal_arg_pointer.
16116 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
16118 Merge peephole2 from new_ia32_branch:
16119 * Makefile.in (STAGESTUFF): Add *.peephole2.
16120 (mostlyclean): Likewise.
16121 (recog.o): Depend on resource.h.
16123 * final.c (peephole): Conditionalize decl on HAVE_peephole.
16124 (final_scan_insn): Likewise for the invocation of peephole.
16125 * genconfig.c (main): Look for peephole and peephole2 patterns.
16126 Emit HAVE_peephole* accordingly.
16127 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
16128 * flags.h (flag_peephole2): Declare.
16129 * toplev.c: New pass peephole2. New flag -fpeephole2.
16131 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
16132 * gencodes.c (main): Likewise.
16133 * genextract.c (main): Likewise.
16134 * genoutput.c (main): Likewise.
16135 * genemit.c (max_operand_1): Look for the max scratch operand.
16136 (gen_rtx_scratch): New.
16137 (gen_exp): Use it, and pass on new arg subroutine_type.
16138 (gen_expand): Take max scratch into account.
16139 (gen_split): Emit peephole2 functions.
16140 (output_peephole2_scratch): New.
16141 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
16142 * genrecog.c (routine_type): Add PEEPHOLE2.
16144 (make_insn_sequence): Match outer parallel for peep2. Discard
16145 top level scratches and dups.
16146 (add_to_sequence): New args insn_type and top. Update all callers.
16147 Handle toplevel peep2 matching insns.
16148 (write_subroutine): Handle peep2.
16149 (write_tree_1): Likewise.
16150 (write_tree): Likewise.
16152 (change_state): New arg afterward. Update all callers.
16153 Handle matching separate insns.
16154 * recog.c (recog_next_insn): New.
16155 (peephole2_optimize): New.
16156 * rtl.def (DEFINE_PEEPHOLE2): New.
16157 * resource.c (find_free_register): New argument last_insn. Use it
16158 to find a register available through the entire span.
16159 * resource.h (find_free_register): Update prototype.
16161 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
16163 * i386.c (output_strlen_unroll): Don't write xops[7]
16164 label if it wasn't set.
16166 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
16168 * cpplib.c (struct directive): Const-ify name pointer and
16169 function pointer prototype.
16170 (validate_else, do_define, do_line, do_include, do_undef,
16171 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
16172 do_elif, do_endif, do_sccs, do_assert, do_unassert,
16173 do_warning): Const-ify second arg.
16174 (directive_table): Mark const. Reorder entries by frequency
16175 of usage, record statistics.
16177 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
16179 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
16180 bounds- check RTL accesses if --enable-checking.
16181 (RTVEC_ELT): Bounds check if --enable-checking.
16182 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
16183 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
16184 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
16186 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
16187 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
16189 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
16190 (NOTE_SOURCE_FILE): Use X0STR.
16191 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
16192 MEM_ALIAS_SET): Use X0INT.
16193 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
16194 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
16196 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
16197 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
16198 (rtl_check_failed_bounds, rtl_check_failed_type1,
16199 rtl_check_failed_type2, rtvec_check_failed_bounds): New
16201 (fancy_abort): Fix comment.
16203 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
16204 (cse_insn): Decrement LABEL_NUSES for jump target before
16205 deleting jump insn.
16206 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
16207 * final.c (alter_subreg): Compute regno before changing x to
16208 REG; set REGNO(x) after changing it.
16209 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
16210 notes containing CONST_INTs.
16211 (delete_eh_regions): Use NOTE_EH_HANDLER.
16212 * function.c (put_reg_into_stack): Make reg a MEM before
16214 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
16216 (gen_mem_addressof): Make reg a MEM before initializing it.
16217 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
16219 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
16220 deleting an insn, not after.
16221 (block_alloc): Only look at PATTERN(insn) if we have to, and
16222 only if it's format class 'i'.
16223 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
16224 CONST_INT before using its INTVAL.
16225 * print-rtl.c (print_rtx): Use X0STR.
16226 * regmove.c (fixup_match_1): Don't look at PATTERN of
16227 non-class-'i' insn chain elements.
16228 * reload.c (loc_mentioned_in_p): Take address of
16229 in->fld[1].rtx directly.
16230 * reload1.c (reload): Change reg to a MEM before initializing
16232 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
16234 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
16236 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
16238 * config/mips/mips.c (machine_dependent_reorg): Force a
16239 barrier to output the local constant pool if a barrier hasn't
16240 been found at a natural point in the instruction stream.
16242 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16244 * c-parse.in (language_string): Constify.
16246 * dwarf2out.c (language_string): Remove declaration.
16248 * dwarfout.c (language_string): Likewise.
16250 * toplev.c (language_string, init_parse, finish_parse): Likewise.
16252 * tree.h (language_string, init_parse, finish_parse): Declare.
16254 * i386/sun386.h (language_string): Remove declaration.
16256 * mips.h (language_string): Likewise.
16258 * nextstep.h (language_string): Likewise.
16260 * nextstep21.h (language_string): Likewise.
16262 * rs6000.c (language_string): Likewise.
16264 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16266 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
16267 (getpwd.o): Remove target.
16269 * getpwd.c: Delete file. Its in libiberty now.
16271 * dbxout.c (getpwd): Don't prototype.
16272 * dwarf2out.c (getpwd): Likewise
16273 * dwarfout.c (getpwd): Likewise
16274 * final.c (getpwd): Likewise.
16275 * protoize.c (getpwd): Likewise.
16277 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16279 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
16281 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16283 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
16284 mark_set_resources.
16286 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
16288 * fixinc/Makefile.in (subdir): New.
16289 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
16292 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
16294 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
16295 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
16298 * invoke.texi: Fix typo.
16300 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
16301 changed. Handle autoincrement addressing modes.
16303 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
16304 just like we would the virtual incoming args register when
16307 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
16309 * rs6000.h (ASM_FILE_START): Specify complete filename, including
16310 path, in .file directive.
16312 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
16314 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16317 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16319 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16322 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16324 * tree.c (tree_code_name): Constify a char*.
16326 * tree.h (tree_code_name, decl_printable_name): Likewise.
16328 * function.h (struct function): Likewise.
16330 * toplev.c (decl_name, decl_printable_name): Likewise.
16332 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16334 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16335 (init_objc): Remove function pointer cast.
16337 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16339 * pa.md (interspace_jump): New pattern.
16340 (builtin_longjmp): New expander.
16342 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16344 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16345 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16346 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16348 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16350 * jump.c (delete_prior_computation): Also check calls
16351 to constant functions. Don't bother checking for a
16352 REG_UNUSED note before adding it.
16353 (delete_computation): Handle multi-word hard registers
16354 when synthesizing missing REG_DEAD notes for a register
16355 which is both set and used by an insn.
16357 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16359 * loop.c (this_loop_info): New variable.
16360 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16361 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16363 (prescan_loop, strength_reduce): New argument loop_info. All callers
16365 (scan_loop): New variable loop_info, initialise to address of
16367 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16368 Delete variable loop_has_multiple_exit targets and replace with
16369 field in this_loop_info.
16370 (find_and_verify_loops): Rename this_loop to this_loop_num.
16371 (strength_reduce): Delete loop_iteration_info. Replace variable
16372 loop_info with function argument of same name.
16373 (insert_bct): Rework test for loop being completely unrolled.
16375 * loop.h (struct loop_info): New fields num, loops_enclosed,
16376 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16377 has_indirect_jump, and cont. Redefine use of unroll_number.
16378 (loop_unroll_number): Delete.
16380 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16381 field of loop_info.
16382 (loop_iterations): Delete variable vtop and instead use
16383 loop_info->vtop computed in prescan_loop.
16385 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16387 * fix-header.c (main): Do not pass a null pointer to strcmp.
16389 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16391 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16393 * configure: Rebuilt.
16395 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16397 * jump.c (jump_optimize_1): Do not delete assignments to
16398 internal_arg_pointer.
16399 * cse.c (delete_trivially_dead_insns): Always consider a set of
16400 the internal_arg_pointer live.
16402 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16404 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16405 (update_life_info) [REG_WAS_0]: Search the original insns rather
16406 than the new insns for the note. Fix typos finding note_dest.
16407 If no dest found, discard the note rather than abort.
16408 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16409 (replace_insns): Remove the old insn list after update_life_info
16412 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16414 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16415 sched_analyze_insn.
16416 (sched_analyze_1): Let add_dependence care for not adding dups.
16417 (sched_analyze_2): Likewise.
16418 (add_branch_dependences): Likewise.
16420 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16422 * i386/winnt.c (export_list): New type.
16423 (exports_head): Rename to
16424 (export_head): this.
16425 (i386_pe_record_exported_symbol): Add is_data flag.
16426 (i386_pe_asm_file_end): Emit directive for exported variables.
16427 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16429 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16430 (ASM_DECLARE_OBJECT_NAME): Likewise.
16431 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16432 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16434 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16436 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16438 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16441 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16443 * config/openbsd.h: Define SET_ASM_OP.
16444 * tm.texi: cross-reference SET_ASM_OP in the index.
16446 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16448 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16449 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16450 and class_narrowest_mode at compile time. Kill init_rtl.
16451 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16452 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16453 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16455 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16457 * rtl.h: Declare rtx_length and rtx_format as const.
16458 * machmode.def: Define CC(). Use CC() to define CCmode. If
16459 EXTRA_CC_MODES is defined, expand it here.
16460 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16461 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16462 const. Kill all references to EXTRA_CC_MODES.
16464 * toplev.c: Don't prototype or call init_rtl.
16465 * optabs.c: Don't call init_mov_optab.
16466 * genemit.c: Don't generate init_mov_optab. Don't call
16468 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16470 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16471 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16472 genrecog.c: Don't call init_rtl.
16474 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16475 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16476 definition of EXTRA_CC_MODES.
16478 * md.texi: Kill ref to EXTRA_CC_NAMES.
16479 * tm.texi: Document new way to define EXTRA_CC_MODES.
16481 * genrecog.c: Do not look up the name of a define_split.
16482 (Unrelated bugfix.)
16484 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16486 * config/v850/v850.md: Fix typo introduced by previous delta.
16488 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16490 * gcc.c (fatal): Make definition static to match prototype.
16492 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16494 * combine.c (get_last_value): Don't look for earlier sets if the last
16495 known set is somewhere in between the insns being combined.
16497 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16499 * configure.in: Don't use shell ! to negate exit codes
16500 * configure: Regenerate
16502 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16504 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16505 the fact that ALIGN is measured in bits, not bytes.
16507 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16509 * errors.c: New file; defines functions error, warning, and
16510 fatal, variables have_error and progname.
16511 * errors.h: New file; prototypes and decls for stuff in errors.c.
16513 * Makefile: Add rules to build errors.o and
16514 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16515 genopinit, genrecog, genextract, genpeep, genattr, and
16516 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16517 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16518 genpeep.o, genattr.o, and genoutput.o.
16520 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16521 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16522 define or prototype fatal. Set progname at beginning of main.
16523 * genoutput.c: Likewise, and don't define or prototype error
16526 * c-typeck.c (c_expand_start_case): Return immediately if exp
16528 * fold-const.c (operand_equal_p): Return immediately if arg1
16529 or arg0 are ERROR_MARKs.
16530 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16531 fields of type ERROR_MARK when calculating if the record can
16534 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16535 with much help from Jeffrey A Law and Richard Henderson
16537 * i386.md: In the 6 insns which call output_fix_trunc,
16538 earlyclobber operands[0].
16540 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16542 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16543 creating new registers.
16545 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16547 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16548 i386_reg_alloc_order, i386_regparm_string,
16549 i386_align_loops_string, i386_align_jumps_string,
16550 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16551 and i386_branch_cost_string as type "const char *".
16552 * i386.c: Define all above strings as type "const char *".
16554 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16556 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16557 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16559 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16561 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16562 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16564 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16566 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16567 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16568 (dwarf2out_line, dwarf2out_finish): Likewise.
16569 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16571 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16573 * tree.c (lang_unsave_expr_now) : Correct return type.
16574 * tree.h (lang_unsave_expr_now) : Same.
16576 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16578 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16579 instead of duplicating code.
16581 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16583 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16585 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16587 * tree.h: fancy_abort always takes three args.
16588 * resource.c: Move include of system.h before toplev.h.
16590 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16592 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16595 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16597 * system.h: Don't redefine abort or trim_filename.
16598 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16599 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16600 whether or not __FUNCTION__ is available.
16601 * tree.h: Duplicate rtl.h's definition of abort, for files
16602 that don't include rtl.h. Delete all code to perform type
16603 checking with a compiler other than GCC.
16604 * varray.h: Delete all code to perform type checking with a
16605 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16606 its arguments exactly once, using a statement expression.
16607 Adjust the VARRAY_<type> accessor macros to match.
16608 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16609 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16610 caller's location. Define fatal_insn and fatal_insn_not_found
16611 as macros that use _fatal_insn and _fatal_insn_not_found.
16612 (fancy_abort, trim_filename): Kill prototypes.
16614 * rtl.c (trim_filename): Move here from toplev.c.
16615 (fancy_abort): New function.
16616 (DIR_SEPARATOR): Provide default definition.
16617 * tree.c (tree_check_failed, tree_class_check_failed): Go
16618 through fancy_abort.
16619 (tree_check, tree_class_check, cst_or_constructor_check,
16620 expr_check): Delete.
16621 * varray.c (varray_check_failed): New function.
16622 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16623 _fatal_insn and _fatal_insn_not_found. Go through
16625 (trim_filename, fancy_abort): Delete.
16627 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16628 * except.c (start_catch_handler): Report ICE with error/abort
16630 * final.c (output_operand_lossage): Likewise.
16631 * flow.c (verify_flow_info): Likewise.
16633 * gcc.c: Prototype fatal.
16634 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16635 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16636 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16637 Don't define fancy_abort.
16639 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16641 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16644 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16646 * m88k.h (VERSION_INFO2): Kill.
16647 (VERSION_STRING): Kill.
16649 (VERSION_INFO1): Tidy.
16650 (TARGET_VERSION): Update.
16651 * m88k/dgux.h (VERSION_INFO2): Kill.
16652 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16653 * m88k/luna.h (VERSION_INFO1): Tidy.
16654 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16655 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16656 (output_file_start): Adjust for death of VERSION_STRING.
16658 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16660 * cpplib.c (detect_if_not_defined): New function.
16661 (do_if): Use it to detect potential once-only headers.
16663 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16665 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16667 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16669 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16670 anywere in the function only if they are pseudos and set before
16671 being used (not live at the start of the function).
16672 (num_sign_bit_copies) : Same.
16673 (get_last_value_validate) : Same.
16674 (get_last_value) : Same.
16676 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16678 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16679 where N and M are constant and N is an integer multiple of M.
16681 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16683 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16684 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16685 sbitmap_union_of_preds): Add prototypes.
16686 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16687 the intersection of successors with the new flow graph structures.
16688 (sbitmap_intersection_of_preds): New function to compute the
16689 intersection of predecessors with the new flow graph structures.
16690 (sbitmap_union_of_succs): New function to compute the union of
16691 successors with the new flow graph structures.
16692 (sbitmap_union_of_preds): New function to compute the union of
16693 predecessors with the new flow graph structures.
16694 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16695 (expr_reaches_here_p): Use edge and basic_block structures instead
16696 of s_preds and s_succs.
16697 (compute_cprop_avinout): Use new sbitmap routines.
16698 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16699 of s_preds and s_succs.
16700 * flow.c (compute_flow_dominators): Compute dominators using
16701 edges and basic blocks instead of s_preds and s_succs.
16703 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16705 * lists.c (unused_insn_list, unused_expr_list): New file for
16706 maintaining various types of lists. New statics for maintaining a
16707 cache of available INSN_LIST and EXPR_LIST nodes.
16708 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16709 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16710 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16711 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16712 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16713 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16714 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16715 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16716 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16717 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16718 (remove_dependence, free_pending_lists): Use new global routines.
16719 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16720 (sched_analyze, compute_block_backward_dependences): Use new routines.
16721 (sched_analyze_1, sched_analyze_2): Use new routines.
16722 (schedule_insns): Use new global routines.
16723 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16725 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16726 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16728 * toplev.c (rest_of_compilation): Initialize node cache.
16729 * Makefile.in (OBJS): Add lists.o to list of object files.
16730 (lists.o): Add dependancies.
16732 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16734 * config/v850/v850.md: Fix compile time warning messages.
16735 * config/v850/v850.c: Fix compile time warning messages.
16736 * config/v850/v850.h: Fix compile time warning messages.
16738 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16740 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16741 Remove unused prototype for `init_lengths'.
16743 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16745 * calls.c (emit_call_1): Mark parameter `stack_size' with
16747 (expand_call): Initialize variable `insn'.
16748 (emit_library_call): Likewise for variable `high_to_save'.
16749 (emit_library_call_value): Likewise.
16750 (store_one_arg): Likewise for variables `lower_bound' and
16753 * combine.c (try_combine): Likewise for variables `i2_code_number'
16754 and `other_code_number'.
16755 (find_split_point): Likewise for variables `pos', `unsignedp' and
16757 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16758 (simplify_and_const_int): Remove unused variable `width'.
16759 (merge_outer_ops): Likewise.
16761 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16762 HOST_WIDE_INT' when comparing against one.
16763 (simplify_relational_operation): Likewise.
16764 (cse_insn): Initialize variables `src_eqv_volatile',
16765 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16767 * final.c (init_final): Constify parameter `filename'.
16768 (final_start_function): Mark parameter `optimize' with
16770 (profile_function): Likewise for parameters `first' and `optimize'.
16771 (output_source_line): Likewise for parameter `file'.
16773 * integrate.c (subst_constants): Cast a value to `size_t' when
16774 comparing against one.
16775 (mark_stores): Initialize variable `mode'. Cast a value to
16776 `size_t' when comparing against one.
16778 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16780 * loop.c (move_movables): Initialize variable `first'.
16781 (strength_reduce): Likewise for variable `increment'.
16782 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16783 value to `size_t' when comparing against one.
16784 (load_mems): Initialize variable `end_label'.
16786 * output.h (init_final): Constify parameter.
16788 * reload.c (decompose): Initialize variable `base'.
16790 * reload1.c (reload): Likewise for variable `is_scalar'.
16791 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16792 (choose_reload_regs): Initialize variable `mode'.
16793 (emit_reload_insns): Likewise for variable `store_insn'.
16794 (reload_cse_noop_set_p): Mark parameter `insn' with
16796 (reload_combine): Initialize variable `set'.
16798 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16799 (copy_loop_body): Cast a value to `size_t' when comparing against
16802 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16803 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16804 (remove_from_pending_weak_list): Mark parameter `name' with
16807 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16809 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16812 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16814 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16815 (ASM_DECLARE_FUNCTION_NAME): Define.
16816 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16817 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16818 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16819 not already defined.
16821 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16823 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16824 of n_popped when call/call_value are not defined.
16826 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16828 * tm.texi: GNU CC -> GCC conversion.
16829 (CC1_SPEC): Indicate it is used for all language front ends.
16831 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16833 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16834 NOTE_INSN_EH_REGION_END correctly.
16836 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16837 Jeff Law <law@cygnus.com>
16839 * loop.c (strength_reduce): Automatically unroll loops if the
16840 unrolled loop size is smaller than the rolled loop size.
16842 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16843 and delete comment that code should be rewritten.
16845 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16847 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16850 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16852 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16854 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16855 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16856 (LINK_SPEC): Add -u _main when building executables.
16857 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16858 (ASM_FILE_END): Use the default for ix86-pe.
16859 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16861 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16863 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16864 and ASM_CLOSE_PAREN are empty strings.
16866 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16867 Geoffrey Keating <geoffk@cygnus.com>
16869 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16870 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16871 (unprotoize.o): Ditto.
16872 (test-protoize-simple): Don't define STD_PROTO_DIR.
16873 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16874 changes to make 'test-protoize-simple' pass.
16875 (STD_PROTO_DIR): Remove define.
16876 (STANDARD_EXEC_PREFIX): Supply default define.
16877 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16878 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16879 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16880 (GET_ENV_PATH_LIST): New macro.
16881 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16882 (do_processing): Initialize default_syscalls_dir using new
16883 macros. Use it to initialize syscalls_absolute_filename.
16885 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16887 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16888 B into a register before emit_conditional_move.
16890 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16892 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16893 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16894 multiplicand out of (+ (* a b) (* c d)).
16896 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16897 Richard Henderson <rth@cygnus.com>
16899 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16900 (new_insn_dead_notes): Likewise.
16901 (update_n_sets): Likewise.
16902 (update_flow_info): Move to flow.c, renamed to update_life_info;
16903 extend to handle multiple source insns.
16904 * flow.c: Include resource.h
16905 (unlink_insn_chain): New.
16906 (split_hard_reg_notes): New.
16907 (maybe_add_dead_note): New.
16908 (maybe_add_dead_note_use): New.
16909 (find_insn_with_note): New.
16910 (new_insn_dead_notes): New.
16911 (update_n_sets): New.
16912 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16913 (maybe_remove_dead_notes): New.
16914 (update_life_info): New.
16915 (prepend_reg_notes): New.
16916 (replace_insns): New.
16917 * output.h (update_life_info): Declare.
16918 * recog.c (split_block_insns): Use update_life_info.
16919 * resource.c (find_free_register): Use reg_alloc_order, don't use
16920 fixed regs, make sure the mode is supported, don't use new regs.
16922 * rtl.h (replace_insns): Declare.
16924 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16926 * expr.c (expand_expr): Cope with COND_EXPRs with one
16927 non-returning branch.
16929 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16931 * expr.c (store_expr): Always pass down the target, even when not
16934 1999-08-24 Nick Clifton <nickc@cygnus.com>
16936 * configure.in: Define target_cpu_default for v850 targets.
16937 * configure: Regenerate
16939 * config/v850/v850.h (TARGET_CPU_generic): Define.
16940 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16941 addresses are 4 byte aligned.
16943 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16946 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16948 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16949 (main): Add prototypes.
16951 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16952 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16953 (write_attr_get): Emit prototypes along with function definition.
16954 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16955 (write_complex_function): Emit static prototype along with
16956 function definition.
16958 * genemit.c (gen_split): Emit prototypes along with function
16961 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16962 Likewise for predicates and `insn_operand_predicate'.
16963 (process_template): Emit static prototype along with function
16966 * genrecog.c (make_insn_sequence): Constify a char*. Add
16967 prototypes for get_split_*().
16968 (write_subroutine): Emit prototypes along with function
16971 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16973 * gcse.c (find_avail_set): Follow chains of register-register copies.
16974 Use oprs_not_set_p to guarantee that the returned value can be
16976 (cprop_insn): Don't verify the return value of find_avail_set with
16979 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16980 (cprop_cc0_jump): New function.
16981 (cprop_insn): Break out new function cprop_jump and use it.
16982 Also use cprop_cc0_jump for machines with CC0.
16983 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16985 * tree.h (current_function_calls_setjmp,
16986 current_function_calls_longjmp): Delete declarations.
16987 * dsp16xx.c: Include "function.h".
16988 * elxsi.c: Likewise.
16989 * gmicro.c: Likewise.
16990 * h8300.c: Likewise.
16991 * i370.c: Likewise.
16992 * m32r.c: Likewise.
16993 * mn10200.c: Likewise.
16994 * mn10300.c: Likewise.
16995 * ns32k.c: Likewise.
16996 * spur.c: Likewise.
16997 * v850.c: Likewise.
16999 * rtl.h (rtx_equal_function_value_matters): Declare.
17000 * toplev.c (rtx_equal_function_value_matters): Don't declare.
17002 * function.c: Likewise.
17003 * emit-rtl.c: Likewise.
17005 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
17007 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
17010 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17012 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
17015 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
17017 * cpp.texi: Add a node documenting macro varargs (copied
17020 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
17022 * cppspec.c: Put a null pointer at the end of the new argv.
17024 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
17026 * configure.in: Remove code to select/de-select the haifa
17027 scheduler. Every scheduled port gets haifa now.
17028 * configure: Rebuilt.
17029 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
17031 * Makefile.in: Corresponding changes.
17033 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17035 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
17036 All callers changed.
17037 (prepare_float_lib_cmp): Likewise.
17038 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
17039 * expr.h (emit_float_lib_cmp): Delete declaration.
17040 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
17041 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
17042 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
17044 (cmptf): Now conditional on TARGET_HARD_QUAD.
17046 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
17048 * resource.c (mark_target_live_regs): Use
17049 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
17051 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17053 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
17055 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
17057 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
17059 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17061 * rtl.h (rtx_format): Constify a char*.
17063 * rtl.c (rtx_format): Likewise.
17064 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
17065 (init_rtl): Use accessor macro, not `rtx_format'.
17067 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
17070 * caller-save.c (mark_referenced_regs): Likewise.
17072 * combine.c (subst, make_compound_operation, known_cond,
17073 gen_rtx_combine, update_table_tick, get_last_value_validate,
17074 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
17076 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
17077 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
17078 count_reg_usage): Likewise.
17080 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
17083 * final.c (leaf_renumber_regs_insn): Likewise.
17085 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
17086 dump_edge_info, count_reg_references): Likewise.
17088 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
17089 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
17092 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
17093 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
17094 add_label_notes): Likewise.
17096 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
17097 clear_struct_flag, count_sub_rtxs, count_alternatives,
17098 compares_alternatives_p, contained_in_p, walk_attr_value,
17099 write_expr_attr_cache): Likewise.
17101 * genconfig.c (walk_insn_part): Likewise.
17103 * genemit.c (max_operand_1, gen_exp): Likewise.
17105 * genextract.c (walk_rtx): Likewise.
17107 * genflags.c (num_operands): Likewise.
17109 * genoutput.c (scan_operands): Likewise.
17111 * genpeep.c (match_rtx): Likewise.
17113 * genrecog.c (add_to_sequence): Likewise.
17115 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
17118 * integrate.c (save_constants, copy_for_inline,
17119 copy_rtx_and_substitute, subst_constants, restore_constants):
17122 * jump.c (mark_jump_label, invert_exp, redirect_exp,
17123 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
17125 * local-alloc.c (contains_replace_regs, memref_referenced_p):
17128 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
17129 add_label_notes, replace_call_address, count_nonfixed_reads,
17130 invariant_p, find_single_use_in_loop, find_mem_givs,
17131 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
17134 * print-rtl.c (reg_names, print_rtx): Likewise.
17136 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
17138 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
17139 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
17140 print_blocks): Likewise.
17142 * regclass.c (fix_register, record_address_regs,
17143 reg_scan_mark_refs): Likewise.
17145 * regmove.c (stable_but_for_p): Likewise.
17147 * reload.c (loc_mentioned_in_p, operands_match_p,
17148 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
17149 copy_replacements, refers_to_regno_for_reload_p,
17150 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
17151 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
17154 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
17155 delete_address_reloads_1, count_occurrences,
17156 reload_cse_mem_conflict_p, reload_combine_note_use,
17157 add_auto_inc_notes): Likewise.
17159 * resource.c (mark_referenced_resources, mark_set_resources):
17162 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
17163 reg_mentioned_p, regs_set_between_p, modified_between_p,
17164 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
17165 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
17166 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
17167 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
17169 * sched.c (sched_analyze_2, attach_deaths): Likewise.
17171 * stupid.c (stupid_mark_refs): Likewise.
17173 * unroll.c (remap_split_bivs): Likewise.
17175 * varasm.c (mark_constants): Likewise.
17177 * a29k/a29k.c (uses_local_reg_p): Likewise.
17179 * alpha/alpha.c (summarize_insn): Likewise.
17181 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
17182 eliminate_lr2ip): Likewise.
17184 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
17186 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
17187 reg_mentioned_in_mem): Likewise.
17189 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
17190 symbolic_reference_mentioned_p): Likewise.
17192 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
17194 * sh/sh.c (regs_used, mark_use): Likewise.
17196 * vax/vax.c (vax_rtx_cost): Likewise.
17198 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17200 * machmode.h (mode_name): Constify a char*.
17202 * rtl.c (mode_name): Likewise.
17204 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
17206 * optabs.c (init_libfuncs): Constify a char*.
17208 * print-tree.c (mode_name): Remove redundant declaration.
17209 (print_node): Use accessor macro, not `mode_name'.
17211 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
17213 (new_spill_reg): Constify a char*.
17215 * tree.c (mode_name): Remove redundant declaration.
17217 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17219 * rtl.c (rtx_name): Constify a char*.
17221 * rtl.h (rtx_name, fix_sched_param): Likewise.
17223 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
17224 (mypr): Use accessor macro, not `rtx_name'.
17226 * genemit.c (print_code): Constify a char*.
17228 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
17230 * genpeep.c (print_code): Constify a char*.
17232 * genrecog.c (print_code): Likewise.
17234 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
17235 end_bb): Add static prototype.
17236 (draw_edge): Constify a char*.
17237 (end_bb): Remove unused parameter.
17239 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
17240 print_block_visualization): Constify a char*.
17242 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
17244 * c-common.c (c_get_alias_set): Update comment.
17246 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17248 * linux.h (LIB_SPEC): Added.
17250 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17252 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
17254 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
17256 * tree.c (expr_check): Fix typo in last change.
17258 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
17260 * rtl.def (NOTE): Change format to "iuu0n".
17261 (ADDR_DIFF_VEC): Change format to "eEee0".
17262 (ADDRESSOF): Change format to "eit".
17264 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
17265 (RTVEC_ELT): Change to match.
17266 (XVECEXP): Use XVEC and RTVEC_ELT.
17267 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
17268 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
17269 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
17270 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
17271 TRAP_CONDITION, TRAP_CODE): Use XEXP.
17272 (INTVAL): Use XWINT.
17273 (ADDRESSOF_DECL): Use XTREE.
17274 (SET_ADDRESSOF_DECL): Delete.
17275 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
17276 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
17277 ifdefed out since 2.6 at least.
17278 (gen_rtvec_vv): Delete prototype.
17280 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
17282 (copy_most_rtx): Handle 't' format letter.
17283 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
17284 (gen_rtvec_vv): Delete function. All callers changed to use
17285 gen_rtvec_v instead.
17286 * print-rtl.c (print_rtx): Move special casing of NOTEs to
17287 the '0' format letter.
17289 * function.c (gen_mem_addressof): Don't use
17290 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
17292 * integrate.c (copy_rtx_and_substitute): Likewise.
17293 Copy 't' slots with XTREE.
17294 (subst_constants): Treat 't' slots like '[swi]' slots.
17295 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
17296 * jump.c (rtx_equal_for_thread_p): Likewise.
17297 * rtlanal.c (rtx_equal_p): Likewise.
17298 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
17299 only four arguments.
17300 * gengenrtl.c (type_from_format): Provide correct types for
17304 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
17305 If a recent gcc is in use (always in stage2 and beyond), use
17306 statement expressions, so we don't make a function call unless
17307 the check fails. Evaluate arguments exactly once.
17308 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
17309 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
17311 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
17312 they evaluate their arguments exactly once, irrespective of
17313 the compiler in use.
17315 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
17316 is used by the currently-enabled check macros. This is:
17317 (tree_check_failed, tree_class_check_failed): For gcc.
17318 (tree_check, tree_class_check, cst_or_constructor_check,
17319 expr_check): For other compilers.
17321 * gencheck.c: Do not define any *_CHECK1 macros.
17323 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17324 Mark Mitchell <mark@codesourcery.com>
17326 * c-common.c (c_get_alias_set): Fix support for poitners and
17329 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17331 * alias.c: Include tree.h.
17332 (nonlocal_reference_p, mark_constant_function): New functions.
17333 * flow.c (life_analysis): Call mark_constant_function.
17334 * rtl.h (mark_constant_function): Declare it.
17336 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17338 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17339 unrecognisable switches.
17341 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17343 * loop.c (recombine_givs): Set ix field after sorting.
17344 (recombine_givs): Remove bogus index / giv lockstep looping.
17346 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17348 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17350 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17351 (do_cmp_and_jump): Formatting fixes.
17352 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17353 do_compare_rtx_and_jump instead of compare_from_rtx.
17354 (do_compare_rtx_and_jump): New function; mostly copied from
17356 (do_jump_for_compare): Delete.
17357 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17359 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17360 of compare/do_jump_for_compare pairs.
17361 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17362 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17363 compare_from_rtx/do_jump_for_compare pairs.
17364 (do_jump_by_parts_equality): Likewise.
17365 (do_jump_by_parts_equality_rtx): Likewise.
17366 * expr.h (do_compare_rtx_and_jump): Declare.
17367 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17368 that used to be in emit_cmp_insn.
17369 (cmp_available_p): New function.
17370 (prepare_operand): New function.
17371 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17372 to be in emit_cmp_insn.
17373 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17374 parameters to be pointers; don't emit final compare but modify some of
17375 the values pointed to by the args so the caller can perform the
17376 correct comparison.
17377 (expand_binop): Call emit_store_flag_force with signed forms of
17379 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17380 emit_jump_insn pair.
17381 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17382 emit_cmp_and_jump_insn_1. Call emit_queue.
17383 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17385 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17386 jump sets cc0 before deleting it.
17387 * integrate.c (expand_inline_function): Likewise.
17388 * unroll.c (unroll_loop): Similar changes in several places.
17389 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17390 before deleting it.
17392 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17394 * Makefile.in (insn-recog.o): Update dependencies.
17395 * genrecog.c (main): Make generated file include "function.h".
17397 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17399 * cse.c (cse_insn): Call never_reached_warning when a jump is
17400 changed to be unconditional.
17401 * flags.h: Declare warn_notreached.
17402 * flow.c (delete_block): Call never_reached_warning when
17403 a block is deleted.
17404 * jump.c (delete_barrier_successors): Call never_reached_warning
17405 when we delete everything after a BARRIER.
17406 (never_reached_warning): New function.
17407 * rtl.h: Declare never_reached_warning.
17408 * toplev.c (warn_notreached): New variable.
17409 (lang_independent_options): Set warn_notreached
17410 when -Wunreachable-code.
17411 (compile_file): We need line numbers for -Wunreachable-code.
17413 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17415 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17416 * sched.c (insn_unit): Likewise.
17418 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17420 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17422 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17424 * flow.c (create_edge_list): Use xmalloc, not malloc.
17426 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17428 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17429 C-style comments. Do not lose the character before double slash.
17431 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17433 * basic-block.h (struct edge_list): Stucture to maintain a vector
17435 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17436 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17437 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17438 New function prototypes.
17439 * flow.c (create_edge_list): Function to create an edge list.
17440 (free_edge_list): Discards memory used by an edge list.
17441 (print_edge_list): Debug output showing an edge list.
17442 (verify_edge_list): Internal consistency check for an edge list.
17443 (find_edge_index): Function to find an edge index for a pred and succ.
17445 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17447 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17450 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17452 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17454 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17456 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17458 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17460 * toplev.c (rest_of_compilation): Allow machine dependent
17461 reorganisation pass to place information into the RTL dump
17462 file if it so wishes.
17464 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17466 * explow.c (hard_function_value): Use VOIDmode instead of
17468 * stmt.c (expand_return): Likewise.
17469 * stor-layout.c (get_best_mode): Likewise.
17471 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17472 emit call instead of emit_insn call.
17474 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17476 * configure.in: Handle --disable/enable-win32-registry.
17477 * install.texi: Document --disable/enable-win32-registry.
17478 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17479 (WIN32_REGISTRY_KEY): New macro.
17480 * prefix.c: Use to enable/disable win32-specific code.
17481 (lookup_key): Use versioned key.
17482 * configure: Regenerate.
17483 * config.in: Likewise.
17485 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17487 * cpplib.c (read_line_number): New fn, split out of...
17490 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17492 tree.c (lang_unsave_expr_now) : New.
17493 (unsave_expr_now): Call lang_unsave_expr_now.
17494 tree.h (lang_unsave_expr_now) : New.
17496 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17498 * toplev.c (flag_new_exceptions): On by default.
17500 1999-08-13 Michael Meissner <meissner@cygnus.com>
17502 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17504 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17506 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17507 INTEGER_TYPE with precision==1, it's __java_boolean.
17509 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17511 * global.c (prune_preferences): Move some invariants out of the
17514 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17516 * configure.in (alpha*-dec-osf*): Add osf5.
17518 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17520 * configure.in: Rework handling of ARM GNU/Linux slightly.
17521 (arm*-*-linux-gnuoldld): New target.
17522 * configure: Regenerate.
17523 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17524 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17525 * config/arm/linux-oldld.h: New file.
17526 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17527 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17529 * config/arm/linux-elf.h (ASM_SPEC): Define.
17530 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17531 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17532 for 26-bit APCS and old linker.
17533 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17535 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17536 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17537 don't define `arm' or `arm_elf'.
17538 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17539 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17541 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17543 * rtl.texi: Fix typo.
17545 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17547 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17549 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17551 * extend.texi (C++ Signatures): Remove node.
17552 * invoke.texi: Remove discussion of -fhandle-signatures,
17553 signature, sigof, __signature__, and __sigof__.
17555 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17557 * Makefile.in (JAVAGC): Removed.
17559 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17561 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17563 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17565 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17567 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17569 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17570 a register that is already known to be a pointer.
17572 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17574 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17575 * fixinc/inclhack.sh: Regenerated.
17576 * fixinc/fixincl.sh: Regenerated.
17578 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17580 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17581 Fix documentation of -ansi flag to describe its C++ behavior.
17582 Remove bogus reference to GCC 2.9.
17584 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17586 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17587 note if it is non-NULL.
17589 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17591 * except.h (eh_nesting_info): Add new structure defintion.
17592 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17593 (reachable_handlers, update_rethrow_references): Add function
17595 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17596 a rethrow symbol instead of an integer exception region number.
17597 * flow.c (Make_edges): Use new exception nesting routines to determine
17598 which handlers are reachable from a CALL or asynchronous insn.
17599 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17601 (delete_eh_regions): Update rethrow labels, and don't delete
17602 regions which are the target of a rethrow.
17603 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17604 avoid overloading the SYMBOL_REF_USED flag.
17605 (rethrow_symbol_map): Use new rethrow_ref field.
17606 (rethrow_used): Use new rethrow_ref field.
17607 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17608 of an integer. Fix formatting.
17609 (output_exception_table_entry): Use new rethrow_ref field.
17610 (can_throw): Check for EH_REGION_NOTE before deciding
17611 whether a CALL can throw or not.
17612 (scan_region): Call rethrow_used() instead of accessing data structure.
17613 (update_rethrow_references): New function to make sure only regions
17614 which are still targets of a rethrow are flagged as such.
17615 (process_nestinfo): New static function to initialize a handler
17616 list for a specific region.
17617 (init_eh_nesting_info): New function to allocate and initialize
17618 the list of all EH handlers reachable from all regions.
17619 (reachable_handlers): New function to retrieve the list of handlers
17620 reachable from a specific region and insn.
17621 (free_eh_nesting_info): New function to dispose of a list of
17622 reachable handlers.
17624 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17626 * flow.c (split_edge): Set JUMP_LABEL field.
17627 (commit_one_edge_insertion): Set head correctly for insert_before.
17628 When inserting insns, update insn block numbers if allocated.
17630 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17632 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17633 retry_incomplete_types): Add static prototype.
17634 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17635 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17636 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17637 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17638 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17641 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17642 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17644 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17646 * output.h (assemble_name): Constify a char*.
17648 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17649 assemble_variable, assemble_name): Likewise.
17651 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17653 * arm/pe.c (arm_pe_unique_section): Likewise.
17655 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17657 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17659 * i386/interix.c (i386_pe_unique_section): Likewise.
17661 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17663 * i386/winnt.c (i386_pe_unique_section): Likewise.
17665 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17667 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17669 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17671 * pa/pa.c (output_call): Likewise.
17673 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17675 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17677 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17680 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17683 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17685 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17686 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17688 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17690 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17692 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17694 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17696 * tree.h (lang_identify): Constify a char*.
17697 (print_error_function): Add extern prototype. Constify a char*.
17699 * c-lang.c (lang_identify): Constify a char*.
17701 * objc/objc-act.c (lang_identify): Constify a char*.
17703 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17705 * genpeep.c (main): Make generated file include "function.h".
17706 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17708 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17710 * Makefile.in: Update dependencies.
17711 * alias.c: Include "function.h"
17712 * c-decl.c: Likewise.
17713 * caller-save.c: Likewise.
17714 * calls.c: Likewise.
17715 * combine.c: Likewise.
17717 * explow.c: Likewise.
17718 * final.c: Likewise.
17719 * global.c: Likewise.
17720 * graph.c: Likewise.
17721 * local-alloc.c: Likewise.
17722 * loop.c: Likewise.
17723 * optabs.c: Likewise.
17724 * profile.c: Likewise.
17725 * recog.c: Likewise.
17726 * regclass.c: Likewise.
17727 * regmove.c: Likewise.
17728 * reload.c: Likewise.
17729 * reorg.c: Likewise.
17730 * resource.c: Likewise.
17731 * sched.c: Likewise.
17732 * stupid.c: Likewise.
17733 * config/1750a/1750a.c: Likewise.
17734 * config/a29k/a29k.c: Likewise.
17735 * config/arc/arc.c: Likewise.
17736 * config/arm/arm.c: Likewise.
17737 * config/arm/thumb.c: Likewise.
17738 * config/c4x/c4x.c: Likewise.
17739 * config/clipper/clipper.c: Likewise.
17740 * config/convex/convex.c: Likewise.
17741 * config/fx80/fx80.c: Likewise.
17742 * config/i860/i860.c: Likewise.
17743 * config/m68k/m68k.c: Likewise.
17744 * config/m88k/m88k.c: Likewise.
17745 * config/mips/mips.c: Likewise.
17746 * config/pdp11/pdp11.c: Likewise.
17747 * config/pyr/pyr.c: Likewise.
17748 * config/romp/romp.c: Likewise.
17749 * config/sh/sh.c: Likewise.
17750 * config/tahoe/tahoe.c: Likewise.
17751 * config/vax/vax.c: Likewise.
17752 * config/we32k/we32k.c: Likewise.
17753 * config/sparc/sparc.c: Include "function.h".
17754 (mem_min_alignment): Test current_function rather than
17755 regno_pointer_align.
17756 * config/pa/pa.c: Likewise.
17757 (compute_frame_size): Delete declaration of
17758 current_function_outgoing_args_size.
17759 * config/arc/arc.h (current_function_varargs): Delete declaration.
17760 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17762 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17764 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17765 current_function_uses_pic_offset_table.
17766 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17767 of current_function_returns_pointer.
17768 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17769 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17770 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17771 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17772 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17773 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17774 * config/m88k/m88k.c: Include "function.h"
17775 (call_used_regs, current_function_pretend_args_size,
17776 current_function_outgoing_args_size, frame_pointer_needed): Delete
17778 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17780 * config/mips/mips.h (current_function_calls_alloca): Delete
17782 * config/mn10200/mn10200.h (current_function_needs_context,
17783 rtx_equal_function_value_matters): Delete declarations.
17784 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17785 flag_pic): Delete declarations.
17786 * config/pa/pa.h (current_function_pretend_args_size,
17787 current_function_decl): Delete declarations.
17788 * config/pa/som.h (current_function_varargs): Delete declaration.
17789 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17791 * config/pyr/pyr.h (current_function_pretend_args_size,
17792 current_function_args_size, current_function_calls_alloca): Delete
17794 * config/sh/sh.h (current_function_varargs): Delete declaration.
17795 * config/sparc/sparc.h (current_function_outgoing_args_size,
17796 current_function_calls_alloca, current_function_decl): Delete
17798 * config/spur/spur.h (current_function_pretend_args_size,
17799 current_function_calls_alloca): Delete declarations.
17800 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17802 * config/vax/vms.h (current_function_name): Delete declaration.
17803 * gcse.c: Include "function.h".
17804 (current_function_name, current_function_calls_setjmp): Delete
17806 * haifa-sched.c: Include "function.h".
17807 (forced_labels): Delete declaration.
17808 * jump.c: Likewise.
17809 * reg-stack.c: Likewise.
17810 * reload1.c: Likewise.
17811 * genemit.c (main): Make generated file include function.h.
17812 * genoutput.c (output_prologue): Likewise.
17814 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17815 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17816 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17817 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17818 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17819 macros for some of them.
17820 (emit_filename, emit_lineno): Delete declarations.
17821 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17822 regno_pointer_* variables through current_function.
17823 (gen_inline_header_rtx): Delete function.
17824 (save_emit_status): Delete function.
17825 (set_new_last_label_num): New function.
17826 (clear_emit_caches): New function.
17827 (restore_emit_status): Just clear last_labelnum and call
17829 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17830 through macro seq_stack.
17831 (add_insn_after): Likewise.
17832 (add_insn_before): Likewise.
17833 (remove_insn): Likewise.
17834 (pop_topmost_sequence): Likewise.
17835 (in_sequence_p): Likewise.
17836 (start_sequence_for_rtl_expr): Likewise.
17837 (start_sequence): Likewise, and likewise for
17838 sequence_rtl_expr/seq_rtl_expr.
17839 (push_topmost_sequence): Likewise.
17840 (end_sequence): Likewise.
17841 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17842 All callers changed. Store into that pointer instead of globals.
17843 (init_emit): Allocate emit elt of current_function.
17844 Changes for sequence_rtl_expr/sequence_stack renaming.
17845 Call clear_emit_caches instead of doing it in-line.
17846 Access regno_pointer_* variables through current_function.
17847 (init_emit_once) Don't clear sequence_stack.
17849 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17851 (arg_pointer_save_area): Delete declaration.
17852 (finish_expr_for_function): Renamed from init_queue; no longer static.
17853 (init_expr): Don't call init_queue.
17854 (save_expr_status, restore_expr_status): Delete functions.
17855 (expand_expr): Changes to reflect new layout of struct function.
17856 Don't access current_function_check_memory_usage when current_function
17858 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17859 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17860 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17861 current_function_uses_const_pool, function_call_count,
17862 current_function_uses_pic_offset_table, nonlocal_labels,
17863 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17864 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17865 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17867 (finish_expr_for_function): Declare.
17868 * flags.h (current_function_has_nonlocal_label,
17869 current_function_has_nonlocal_goto, current_function_is_thunk,
17870 current_function_has_computed_jump): Delete declarations.
17871 * flow.c (forced_labels): Delete declaration.
17872 * function.c (current_function_pops_args,
17873 current_function_returns_struct, current_function_returns_pcc_struct,
17874 current_function_needs_context, current_function_calls_setjmp,
17875 current_function_calls_longjmp, current_function_has_nonlocal_label,
17876 current_function_has_nonlocal_goto, current_function_is_thunk,
17877 current_function_has_computed_jump, current_function_calls_alloca,
17878 current_function_contains_functions, current_function_returns_pointer,
17879 current_function_epilogue_delay_list, current_function_args_size,
17880 current_function_pretend_args_size, current_function_arg_offset_rtx,
17881 current_function_outgoing_args_size, current_function_varargs,
17882 current_function_stdarg, current_function_args_info, cleanup_label,
17883 current_function_name, current_function_uses_const_pool,
17884 current_function_instrument_entry_exit, current_function_return_rtx,
17885 current_function_uses_pic_offset_table, nonlocal_labels,
17886 current_function_internal_arg_pointer, current_function_cannot_inline,
17887 current_function_check_memory_usage, function_call_count,
17888 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17889 nonlocal_goto_stack_level, return_label, save_expr_regs,
17890 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17891 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17892 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17893 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17894 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17896 (push_function_context_to): Don't save them. Don't call
17897 save_storage_status, save_emit_status or save_expr_status.
17898 (pop_function_context_from): Don't restore them. Don't call
17899 restore_storage_status or restore_expr_status.
17900 (get_func_frame_size): New function.
17901 (get_frame_size): Use it.
17902 (assign_outer_stack_local): Reflect some member name changes in struct
17904 (put_reg_into_stack): Likewise.
17905 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17907 (fixup_var_refs): Likewise.
17908 (fix_lexical_addr): Likewise.
17909 (trampoline_address): Likewise.
17910 (prepare_function_start): Clear field inlinable of current_function.
17911 (init_function_for_compilation): New function.
17912 (expand_dummy_function_end): New function.
17913 (expand_function_end): Call finish_expr_for_function.
17914 * function.h (struct emit_status): New; fields moved here from struct
17915 function and from global variables. Add accessor macros for some of
17917 (struct expr_status): Likewise.
17918 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17919 (struct function): Add fields expr and emit, inlinable, inl_emit,
17920 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17921 inl_max_label_num. Add many comments.
17922 Add accessor macros for all elts of struct function that no longer
17923 have a global variable.
17924 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17925 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17926 stack_slot_list): Delete declarations.
17927 (get_func_frame_size): Declare.
17928 (save_expr_status, restore_expr_status, save_emit_status,
17929 save_storage_status, restore_storage_status): Delete declarations.
17930 (init_virtual_regs): Declare.
17931 * output.h (current_function_pops_args,
17932 current_function_returns_struct, current_function_returns_pcc_struct,
17933 current_function_needs_context, current_function_calls_setjmp,
17934 current_function_calls_longjmp, current_function_calls_alloca,
17935 current_function_has_nonlocal_label, current_function_varargs,
17936 current_function_has_computed_jump, current_function_returns_pointer,
17937 current_function_contains_functions, current_function_args_size,
17938 current_function_pretend_args_size, current_function_stdarg,
17939 current_function_outgoing_args_size, current_function_args_info,
17940 current_function_name, current_function_return_rtx,
17941 current_function_epilogue_delay_list,
17942 current_function_uses_const_pool, current_function_cannot_inline):
17943 Delete declarations.
17944 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17945 regno_reg_rtx): Delete declaration.
17946 (REGNO_POINTER_FLAG): Delete macro.
17947 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17948 function were renamed.
17949 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17951 * toplev.c: Include "function.h".
17952 (current_function_decl): Delete declaration.
17953 (compile_file): Call init_dummy_function_start and
17954 expand_dummy_function_end around some initializations that need to
17956 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17957 Call init_function_for_compilation.
17958 * unroll.c: Include "function.h"
17959 (unroll_loop): Access regno_pointer_* variables through
17962 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17963 (DECL_SAVED_INSNS): use it.
17964 (expand_dummy_function_end): Declare.
17965 (init_function_for_compilation): Declare.
17966 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17967 that it's no longer an INLINE_HEADER.
17968 (expand_call): Likewise.
17969 * integrate.c (finish_inline): Delete function.
17970 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17971 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17972 args. Don't generate an INLINE_HEADER rtx, just return the arg
17973 vector. All callers changed.
17974 (save_for_inline_copying): Create a duplicate struct emit_status to
17975 hold the emit state for compiling the current function. Use this and
17976 the other new fields in struct function that are for integration
17977 instead of an INLINE_HEADER.
17978 Use memcpy instead of bcopy.
17979 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17980 (save_for_inline_nocopy): Similar changes, except no new emit_status
17982 (expand_inline_function): Get information from function structure,
17983 not from an inline header rtx.
17984 (output_inline_function): Lose code to extract the necessary
17985 information from an inline header; simply put back the function
17986 structure into current_function. Clear its inlinable elt.
17987 * rtl.def (INLINE_HEADER): Delete.
17988 * rtl.h: Delete all accessors for an INLINE_HEADER.
17989 (gen_inline_header_rtx): Delete declaration.
17990 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17991 Delete declarations.
17992 (REGNO_POINTER_ALIGN): Delete.
17993 (clear_emit_caches): Declare.
17994 (set_new_last_label_num): Declare.
17996 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17998 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
18000 * except.c (expand_eh_region_start_for_decl): Always start a new block.
18001 * stmt.c (is_eh_region): Make sure current_function is present, too.
18003 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
18005 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
18006 for 64bit PA targets.
18008 * pa.h (SELECT_SECTION): Define.
18009 * som.h (SELECT_SECTION): Delete.
18011 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18013 * alias.c (init_alias_analysis): Wrap call to
18014 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
18016 1999-08-07 Bruce Korb <autogen@linuxbox.com>
18018 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
18019 <sys/asm.h> contains an asm comment with an apostrophe
18020 * fixinc/inclhack.sh: regen
18021 * fixinc/fixincl.x: regen
18023 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
18025 * function.c (init_function_start): Clear prologue & epilogue.
18026 (prologue_epilogue_contains): New function.
18027 * alias.c (init_alias_analysis): Use it.
18028 * rtl.h (prologue_epilogue_contains): Declare it.
18030 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
18032 * jump.c (onlyjump_p): New function.
18033 * rtl.h: Declare it.
18034 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
18035 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
18037 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
18039 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
18040 to invert loops. Simplify block scanning.
18042 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18044 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
18045 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
18047 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
18049 * config/sparc/liteelf.h: New file to support sparclite-elf target
18050 * config/sparc/t-sp86x: New file to support sparc86x targets
18051 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
18052 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
18053 * configure.in: Support above target triplets
18054 * configure: Regenerated
18056 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
18058 * fixinc/server.c (server_setup): Do not prefix function used as
18059 parameter with `&'.
18061 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
18063 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
18064 Remove fp reg alternatives.
18066 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
18068 * Makefile.in (TAROUTOPTS): Kill.
18069 (install-headers-tar): Use "xpf" for tar headerfile extraction
18070 * i370/x-oe (TAROUTOPTS): Delete.
18071 * m68k/x-apollo68 (TAROUTOPTS): Delete.
18072 * m68k/x-hp320 (TAROUTOPTS): Delete.
18073 * m68k/x-hp320g (TAROUTOPTS): Delete.
18074 * gcc.texi: Update bug reporting text.
18076 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18078 * reg-stack.c (change_stack) Fixed problem with negative array index.
18080 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
18082 * extend.texi, install.texi: Fix spelling mistakes.
18084 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
18085 (s-attrtab); No longer try to use pre-made insn-attrtab file.
18086 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
18087 PREMADE_ATTRTAB_MD.
18088 * mips/t-ecoff: Likewise.
18089 * mips/t-elf: Likewise.
18090 * mips/t-mips: Likewise.
18091 * mips/t-osfrose: Likewise.
18092 * mips/t-r3900: Likewise.
18093 * mips/t-svr3: Likewise.
18094 * mips/t-svr4: Likewise.
18095 * mips/t-ultrix: Likewise.
18097 * gcc.texi: Document recommend means to provide software floating
18098 point libraries in libgcc.a
18100 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
18102 * c-lex.c (yylex): We can have a number with no digits.
18104 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
18106 * jump.c (delete_prior_computation): New function, broken
18107 out of delete_computation. Check for side effects with
18108 side_effects_p instead of FIND_REG_INC_NOTE. Handle
18109 multi-word hard registers.
18110 (delete_computation): Use it. Check for side effects with
18111 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
18112 missing REG_DEAD note for a register which is both set and
18115 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
18117 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
18118 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
18119 (ASM_FILE_START): Import _mcount with the right type.
18120 (ASM_DECLARE_FUNCTION_NAME): Define.
18121 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
18122 * pa.c (output_function_prologue): Always emit the function's label
18124 * pa.h (TEXT_SPACE_P): Define.
18125 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18126 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
18127 * som.h (TEXT_SPACE_P): Delete.
18128 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18129 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
18131 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
18133 * expr.c (emit_group_load): Allow src to be a CONCAT.
18135 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18137 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
18138 (___mulsi3): Use '!' comment character.
18140 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18142 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
18144 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
18146 * gcc.c: Update URLs and mail addresses.
18147 * gcc.texi: Likewise.
18149 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
18151 * rs6000.c (current_file_function_operand): Return zero for
18153 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
18155 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
18158 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
18160 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
18161 allocate space in the stack frame for the PIC register.
18163 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
18165 * m68k.md (xordi3, anddi3): These patterns are not available on
18168 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
18170 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
18171 (PUT_REAL): Likewise.
18173 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18175 * final.c (shorten_branches): Don't add an alignment for loops
18176 that have no label inside.
18178 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18180 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
18181 prototypes in macro HAVE_cmpstrsi.
18183 * cpplib.c (cpp_get_token): Remove unused label `op3'.
18185 * emit-rtl.c (operand_subword): Remove unused variable
18188 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
18190 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
18192 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
18194 * cpphash.c (macroexpand): Delete leading whitespace when arg
18195 is concatenated before.
18196 (unsafe_chars): Correct test for whether + and - can extend a
18199 * cppinit.c (cpp_start_read): Do dependencies for
18200 -include/-imacros files also.
18202 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
18203 tokenizing non-directive lines.
18204 (cpp_expand_to_buffer): Temporarily disable no-output mode.
18205 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
18208 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18210 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
18212 * c-lex.c: Sync with C++ frontend.
18213 (linemode): New variable.
18214 (parse_float): imag, conversion_errno, and type are output only.
18215 (yylex): Adjust. Move initial '.' case into main switch.
18217 (handle_generic_pragma): Just deal with tokens.
18218 (readescape): Use ISXDIGIT and ISGRAPH.
18219 * c-parse.in: Add END_OF_LINE token.
18221 * c-lex.c (lang_init): Generalize.
18222 (nextchar): Remove. Replace uses with UNGETC.
18223 (skip_white_space): Handle linemode here. Optimize for cpplib.
18224 (skip_white_space_on_line): Remove.
18225 (extend_token_buffer_to): New fn.
18226 (extend_token_buffer): Use it.
18227 (read_line_number, check_newline): Just deal with tokens.
18228 (token_getch, token_put_back): New fns.
18229 (yylex): Use them. More cpplib optimizations. Simplify.
18231 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18232 Jason Merrill <jason@yorick.cygnus.com>
18234 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
18235 (consume_string): Make this smart about USE_CPPLIB.
18236 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
18237 (yylex): Rewrite to be intelligent about USE_CPPLIB.
18238 Also, clean up cases where we redundantly set token_buffer[0].
18239 (read_line_number): New fn.
18240 (ignore_escape_flag): New variable.
18242 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
18244 * a29k/t-a29kbare: Fix some comments.
18245 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
18246 (FPBIT, DPBIT): Define.
18247 * a29k/t-vx29k: Likewise.
18248 * arc/t-arc: Likewise.
18249 * arm/t-arm-elf: Likewise.
18250 * arm/t-bare: Likewise.
18251 * arm/t-pe: Likewise.
18252 * arm/t-pe-thumb: Likewise.
18253 * arm/t-semi: Likewise.
18254 * arm/t-thumb: Likewise.
18255 * arm/t-thumb-elf: Likewise.
18256 * arm/t-thumb-linux: Likewise.
18257 * h8300/t-h8300: Likewise.
18258 * i960/t-i960: Likewise.
18259 * i960/t-vxworks960: Likewise.
18260 * m32r/t-m32r: Likewise.
18261 * mips/t-ecoff: Likewise.
18262 * mips/t-elf: Likewise.
18263 * mips/t-r3900: Likewise.
18264 * pa/t-pro: Likewise.
18265 * rs6000/t-aix43: Likewise.
18266 * rs6000/t-beos: Likewise.
18267 * rs6000/t-newas: Likewise.
18268 * rs6000/t-ppccomm: Likewise.
18269 * rs6000/t-rs6000: Likewise.
18270 * rs6000/t-winnt: Likewise.
18271 * rs6000/t-xnewas: Likewise.
18272 * rs6000/t-xrs6000: Likewise.
18273 * sh/t-sh: Likewise.
18274 * sparc/t-elf: Likewise.
18275 * sparc/t-sparcbare: Likewise.
18276 * sparc/t-sparclite: Likewise.
18277 * sparc/t-splet: Likewise.
18278 * v850/t-v850: Likewise.
18279 * mn10200/t-mn10200: Fix comments.
18280 * mn10300/t-mn10300: Likewise.
18282 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
18283 dummy operand. Allocate a new pseudo for the dummy operand.
18284 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
18286 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
18288 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
18290 * configure: Rebuilt.
18291 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
18293 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
18295 * recog.c (preproces_constraints): Zero recog_op_alt before
18296 processing the constraints.
18298 * arm.c (typedef minipool_node): Renamed from pool_node.
18299 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
18300 (add_minipool_constant): New function.
18301 (dump_minipool): New function.
18302 (find_barrier): Remove special case for getting the insn size of
18303 an insn that references the constant pool.
18304 (minipool_fixup): New structure.
18305 (push_minipool_barrier): New function.
18306 (push_minipool_fix): New function.
18307 (note_invalid_constants): New function.
18308 (add_pool_constant, dump_table, fixit, broken_move): Delete.
18309 (arm_reorg): Rewrite code to fix up the constant pool into a
18310 series of mini-pools embedded in the insn stream.
18311 (arm_output_epilogue): New function, made mainly from the body
18312 of output_func_epilogue.
18313 (output_func_epilogue): Move insn generation part of epilogue code
18314 to arm_output_epilogue.
18315 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
18316 * arm.md (pool_range): New attribute.
18317 (zero_extendqidi2): Add attribute pool_range.
18318 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18319 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18320 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18321 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18322 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18323 (epilogue): New expand.
18324 (epilogue_insn): New insn. Call arm_output_epilogue.
18326 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18327 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18329 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18331 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18333 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18335 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18337 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18339 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18341 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18343 * global.c: Fix comment.
18345 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18347 * gcc.c (access_check): New static function.
18348 (find_a_file): Use it when searching a directory list.
18349 * collect2.c (find_a_file): Don't accept directories found when
18350 searching a directory list.
18352 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18354 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18355 function parameters with `&'.
18356 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18358 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18360 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18361 or tidy_fallthru_edge if the last insn in the block is not
18362 an unconditional jump or a simple conditional jump.
18364 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18366 * Makefile.in (c-decl.o): Depends on defaults.h.
18368 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18370 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18372 (CLASS_MAX_NREGS): Likewise.
18374 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18376 * cse.c (cse_insn): Fix dumb thinko in last change.
18378 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18380 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18383 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18385 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18386 test for sizes of passed and declared parameter types.
18388 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18390 * fixincludes: Fix the return type of bsearch, char* -> void*.
18392 * fixinc/inclhack.def: Likewise.
18394 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18396 * invoke.texi (-fdump-translation-unit): New option.
18398 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18400 * expr.h (PROMOTE_PROTOTYPES): Move ...
18401 * defaults.h: ... to here.
18402 * c-decl.c: Include defaults.h instead of expr.h.
18403 * c-typeck.c: Include defaults.h.
18405 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18407 * toplev.h (errorcount): Declare.
18408 (warningcount): Likewise.
18409 (sorrycount): Likewise.
18410 * c-lex.c (errorcount): Don't declare.
18411 * dwarf2out.c (errorcount): Don't declare.
18413 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18415 * config/libgloss.h: Add a note discouraging use with ELF.
18416 * configure.in: Don't use libgloss.h for ELF targets.
18417 Always use_collect2 on a.out targets.
18419 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18421 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18422 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18424 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18426 * loop.c (strength_reduce): When doing biv->giv conversion, update
18427 reg note of NEXT->insn.
18429 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18431 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18433 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18435 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18436 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18437 Ensure expr.h is included.
18438 * c-typecheck.c (convert_arguments): Ditto.
18440 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18442 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18443 * config/convex/convex.h: Ditto.
18444 * config/dsp16xx/dsp16xx.h: Ditto.
18445 * config/fx80/fx80.h: Ditto.
18446 * config/gmicro/gmicro.h: Ditto.
18447 * config/i370/i370.h: Ditto.
18448 * config/i386/i386.h: Ditto.
18449 * config/m32r/m32r.h: Ditto.
18450 * config/m68k/m68k.h: Ditto.
18451 * config/m88k/m88k.h: Ditto.
18452 * config/mips/mips.h: Ditto.
18453 * config/pa/pa.h: Ditto.
18454 * config/pyr/pyr.h: Ditto.
18455 * config/tahoe/tahoe.h: Ditto.
18456 * config/we32k/we32k.h: Ditto.
18458 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18459 based on arch size.
18461 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18463 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18466 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18468 1999-08-02 Richard Henderson <rth@cygnus.com>
18470 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18471 for the register spill block.
18472 (m32r_va_arg): New.
18473 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18474 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18476 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18477 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18478 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18480 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18482 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18483 MAX_WCHAR_TYPE defined in sparc.h.
18484 * config/sparc/linuxaout.h: Likewise.
18485 * config/sparc/linux64.h: Likewise.
18486 Also default to -mvis if CPU is UltraSPARC.
18488 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18490 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18491 (RTX_OK_FOR_OLO10): Likewise.
18492 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18493 %lo(), allow it in addresses...
18494 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18495 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18496 does not make sense.
18497 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18498 (sparc_output_scratch_registers): New function.
18499 (output_function_prologue, sparc_flat_output_function_prologue): Use
18501 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18503 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18504 * configure.in: Add check for .register pseudo-op support in as and
18505 check for offsetable %lo().
18506 * acconfig.h: Add templates for the above checks.
18507 * configure: Regenerate.
18509 1999-08-02 Richard Henderson <rth@cygnus.com>
18511 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18512 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18513 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18515 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18517 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18520 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18522 * config/float-sparc.h: New file.
18523 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18524 sparc-*-linux-gnu and sparc64-*-linux*.
18526 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18528 * rs6000.c (rs6000_va_list): Type is an array.
18529 (rs6000_va_start): Don't doubly adjust for varargs.
18530 (rs6000_va_arg): Evaluate long long GPR adjustment.
18532 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18534 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18535 -maix64 and -maix32.
18536 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18537 LINK_SPEC): Change appropriately.
18538 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18539 (u_short_cint_operand): Likewise.
18540 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18542 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18544 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18546 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18548 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18549 for type promotion.
18550 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18551 (non_add_cint_operand): Likewise.
18552 (logical_operand): Likewise.
18553 (non_logical_cint_operand): Likewise.
18554 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18555 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18556 (rs6000_select_rtx_section): Suppress warning.
18557 (small_data_operand): Suppress warning.
18558 (rs6000_got_register): Suppress warning.
18559 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18560 type, so `J' is generally the wrong constraint for a SImode value;
18562 (andsi3_internal2): Likewise.
18563 (andsi3_internal3): Likewise.
18564 (iorsi3_internal1): Likewise.
18565 (xorsi3_internal1): Likewise.
18567 (movsf_softfloat): Likewise.
18568 (scc insns): Likewise.
18569 (movsi+2): Preserve sign bits of SImode constant.
18570 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18571 (movdf+1): Sign-extend properly.
18572 (movdi_32+1): Sign-extend properly.
18573 (scc insns): Sign-extend properly.
18575 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18578 1999-08-02 Richard Henderson <rth@cygnus.com>
18580 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18581 -mcpu parsing code.
18582 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18583 * alpha.md (all fp insns): Likewise.
18585 1999-08-02 Nick Clifton <nickc@cygnus.com>
18587 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18590 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18592 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18593 pic_load_label generator directly.
18594 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18595 No longer a named pattern.
18597 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18599 * explow.c (force_reg): Call force_operand if X does not
18600 satisfy general_operand.
18602 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18604 * fix-header.c (main): When testing for CONTINUED, use string
18605 equality, not pointer equality.
18607 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18609 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18611 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18613 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18614 that has become an unconditional jump.
18616 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18617 (output_function_epilogue): Similarly.
18619 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18621 * tree.h (init_dummy_function_start): Declare.
18623 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18625 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18626 last_expr_type, last_expr_value, block_start_count, block_stack,
18627 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18628 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18629 dynamically in stmt elt of struct function for each function.
18630 (struct nesting): Rename function_call_count elt to n_function_calls,
18631 target_temp_slot_level to block_target_temp_slot_level. All users
18633 (struct stmt_status): New structure definition.
18634 Add many accessor macros for stmt_status elements which previously
18635 were global variables.
18636 (init_stmt_for_function): Allocate stmt elt for current_function.
18637 Reflect that block_start_count was renamed to
18638 current_block_start_count.
18639 (save_stmt_status, restore_stmt_status): Delete functions.
18640 (preserve_subexpressions_p): Don't access loop_stack when outside
18642 (expand_start_bindings): Reflect that block_start_count was renamed to
18643 current_block_start_count.
18644 (expand_fixup): Likewise.
18645 (expand_decl): Don't access block_stack when outside a function.
18646 (expand_decl_cleanup): Likewise.
18647 (expand_dcc_cleanup): Likewise.
18648 (expand_dhc_cleanup): Likewise.
18649 (expand_anon_union_decl): Likewise.
18650 (set_file_and_line_for_stmt): New function.
18651 (in_control_zone_p): New function.
18653 * function.h (struct function): Add new elt stmt.
18654 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18655 case_stack, nesting_stack, nesting_depth, block_start_count,
18656 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18657 emit_lineno, goto_fixup_chain.
18658 (save_eh_status, restore_eh_status, save_stmt_status,
18659 restore_stmt_status): Delete declarations.
18660 * function.c (push_function_context_to): Don't call save_stmt_status.
18661 (pop_function_context_to): Don't call restore_stmt_status.
18662 * tree.h (in_control_zone_p): Declare.
18663 * rtl.h (set_file_and_line_for_stmt): Declare.
18665 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18666 call set_file_and_line_for_stmt.
18668 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18670 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18671 Also update copyright.
18673 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18675 * c-pragma.c: Don't include "except.h".
18676 * emit-rtl.c: Likewise.
18677 * stor-layout.c: Likewise.
18678 * tree.c: Likewise.
18679 * varasm.c: Likewise.
18681 * flow.c: Include "function.h".
18682 * tree.h (init_dummy_function_start): Declare new function.
18684 * except.h (struct eh_status): New structure.
18685 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18687 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18688 catch_clauses, false_label_stack, caught_return_label_stack,
18689 protect_list, current_function_ehc): Add accessor macros for the
18690 corresponding fields in current_function->eh; delete declarations
18691 for all items that used to be declared here.
18692 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18693 catch_clauses, false_label_stack, caught_return_label_stack,
18694 protect_list, current_function_ehc): Delete variables.
18695 (init_eh_for_function): Allocate current_function->eh.
18696 (save_eh_status, restore_eh_status): Delete functions.
18698 * function.h (struct function): Add fields next_global and eh.
18699 Delete all exception handling related fields.
18700 * function.c (current_function): New variable.
18701 (all_functions): New variable.
18702 (push_function_context_to): Don't allocate a struct function,
18703 use current_function instead. Call init_dummy_function_start when
18704 outside a function. Clear current_function before returning.
18705 (pop_function_context_from): Restore current_function.
18706 Don't free the restored struct function.
18707 (prepare_function_start): New function.
18708 (init_dummy_function_start): New function.
18709 (init_function_start): Break out some code into prepare_function_start
18712 * stmt.c (save_stmt_status): Don't call save_eh_status.
18713 (restore_stmt_status): Don't call restore_eh_status.
18715 * Makefile.in: Update dependencies.
18717 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18719 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18720 of depending on a magic constant value. Update comments.
18721 (hppa_expand_prologue): Similarly.
18723 * pa.md (reload_indi, reload_outdi): Allow any register for the
18724 original reload register.
18726 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18728 * cccp.c (print_help): Change marcos to macros.
18730 1999-07-30 Richard Henderson <rth@cygnus.com>
18732 * c-typeck.c (initializer_constant_valid_p): Move ...
18733 * c-common.c (initializer_constant_valid_p): ... here. Use
18734 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18735 of label addresses.
18736 * c-common.h (initializer_constant_valid_p): Declare.
18737 * c-tree.h (initializer_constant_valid_p): Remove.
18739 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18741 * config/i386/sol2-c1.asm: Align the stack.
18742 * config/i386/sol2-gc1.asm: Likewise.
18744 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18746 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18747 -Asparclite for sparc86x.
18748 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18750 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18752 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18754 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18755 the user if using the non-default arch size in BI_ARCH configuration.
18756 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18758 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18759 Fix patterns so that they actually match.
18760 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18761 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18762 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18764 (mulsidi3): Reflect this in the expand.
18765 (smulsi3_highpart): Only on TARGET_ARCH32.
18766 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18767 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18768 (umulsidi3): Reflect this in the expand.
18769 (umulsi3_highpart): Only on TARGET_ARCH32.
18770 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18771 don't require g0 to be zero.
18772 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18773 ({,u}divsi3): New expands.
18774 ({,u}divsi3_sp64): New patterns.
18775 (after lshrdi3_v8plus): Four new patterns to help combiner
18776 optimizing nested mixed mode shifts.
18778 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18779 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18780 speed things up. Don't use them by default on plain v9 in 64bit
18781 mode, according to what SPAMv9 sais.
18783 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18784 top 32 bits of %[og][0-7] in signal handlers.
18785 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18787 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18789 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18790 (ashlsi3): Corresponding changes.
18792 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18794 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18796 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18798 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18800 * arm.h (Hint): Delete macro.
18801 Substitute HOST_WIDE_INT for Hint in some prototypes.
18802 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18804 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18806 * builtins.c (expand_builtin_setjmp): Use force_operand to
18807 make sure that the buffer address is in a suitable form to be
18808 passed to force_reg.
18810 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18812 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18815 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18817 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18818 proper mode in the condition string.
18819 (icacheflush, dcacheflush): Remove modes from match_operands.
18821 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18822 proper mode before using it.
18824 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18827 * pa.c (store_reg): Do not call add_high_const generator directly.
18828 (load_reg, set_reg_plus_d): Likewise.
18829 * pa.md (add_high_const): No longer a named pattern.
18831 * pa.c (legitimize_address): Consistently use Pmode rather than
18832 SImode. Do not call gen_pic2_highpart directly anymore.
18833 * pa.md (pic2_highpart): No longer a named pattern.
18834 (pic2_lo_sum): Similarly. Reformat to make more readable.
18836 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18841 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18843 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18845 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18847 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18848 and tag the spill mems.
18849 (hppa_va_start): New.
18850 (hppa_va_arg): New.
18851 * pa.h (EXPAND_BUILTIN_VA_START): New.
18852 (EXPAND_BUILTIN_VA_ARG): New.
18854 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18856 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18857 and tag the spill mems.
18858 (mn10300_va_start): New.
18859 (mn10300_va_arg): New.
18860 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18861 (EXPAND_BUILTIN_VA_ARG): New.
18863 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18865 * mn10200.c (mn10200_va_arg): New.
18866 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18868 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18870 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18871 rather than play with TREE_INT_CST_LOW.
18873 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18875 * config/arm/telf.h: Include dbxelf.h.
18876 (CPP_PREDEFINES): Only define if not already defined.
18877 (ASM_IDENTIFY_GCC): Likewise.
18878 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18879 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18880 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18882 (DBX_DEBUGGING_INFO): Don't define.
18883 * config/arm/linux-telf.h: New file.
18884 * config/arm/linux-tgas.h: New file.
18885 * config/arm/t-thumb-linux: New file.
18886 * config/arm/uclinux-elf.h: New file.
18887 * config/arm/uclinux-telf.h: New file.
18888 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18889 thumb-*-uclinux): New targets.
18890 * configure: Regenerate.
18892 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18894 * pa.md (post_store, pre_load): New expanders.
18895 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18896 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18897 need to directly generate RTL for them.
18898 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18901 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18903 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18904 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18905 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18906 (secndary_reload_class): Make TARGET_ELF conditional compile.
18907 (print_operand_address): Similar.
18908 (output_toc): Print all values as hex.
18909 (get_issue_rate): Rearrange and add RS64A and PPC630.
18910 * rs6000.h (processor_type): Add RS64A and PPC630.
18911 (PROCESSOR_POWERPC64): New.
18912 (PROMOTE_MODE): Use word_mode.
18913 (RTX_COSTS): Add RS64A and PPC630.
18914 * rs6000.md (scheduling information): Add lmul and ldiv
18915 representing 64-bit integer multiply and divide. Add rs64a and
18916 PPC630 information.
18917 (ashldi3): Add support for "rldic" instruction.
18918 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18920 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18922 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18923 instead of V8 for sparclite86x in cpu_table.
18925 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18927 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18928 output_file_directive.
18930 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18932 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18933 tree for op1, not the rtl.
18935 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18937 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18938 to m88k_va_start, leaving only the register spill.
18939 (m88k_build_va_list): New.
18940 (m88k_va_start): New.
18941 (m88k_va_arg): New.
18942 * m88k.h (BUILD_VA_LIST_TYPE): New.
18943 (EXPAND_BUILTIN_VA_START): New.
18944 (EXPAND_BUILTIN_VA_ARG): New.
18946 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18948 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18949 Rename from expand_builtin_saveregs.
18950 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18952 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18954 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18955 for the register spill block.
18956 (i960_build_va_list): New.
18957 (i960_va_start): New.
18958 (i960_va_arg): New.
18959 * i960.h (BUILD_VA_LIST_TYPE): New.
18960 (EXPAND_BUILTIN_VA_START): New.
18961 (EXPAND_BUILTIN_VA_ARG): New.
18962 * i960.md (store_multiple): Use change_address on individul mems.
18964 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18966 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18968 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18969 (expand_builtin_va_end): Evaluate arg for side effects.
18970 * c-common.c (c_common_nodes_and_builtins): Construct a
18971 va_list_arg_type_node to handle array decomposition to pointer.
18973 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18975 * except.c (start_dynamic_cleanup): Use force_operand on the
18978 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18980 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18981 * c4x.c (c4x_va_arg): New.
18983 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18985 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18986 has manual_pop set.
18988 1999-07-26 Nathan Sidwell <nathan@acm.org>
18990 * eh-common.h (__eh_matcher): Prototype correctly.
18992 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18994 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18995 (TARGET_SINGLE_PIC_BASE): Likewise.
18996 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18998 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18999 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
19000 (TARGET_OPTIONS): Add -mpic-register=N.
19001 (OUTPUT_INT_ADDR_CONST): New macro.
19002 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
19003 LEGITIMATE_PIC_OPERAND_P): Likewise.
19004 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
19005 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
19006 output_addr_const directly.
19007 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
19009 (thumb_pic_register, thumb_pic_register_string): Declare.
19011 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
19013 (label_mentioned_p): New function: Imported from arm.c.
19014 (legitimize_pic_address): New function: Imported from arm.c.
19015 (is_pic):New function: Imported from arm.c.
19016 (thumb_finalize_pic):New function: Imported from arm.c.
19017 (add_constant): Cope with PIC constants.
19018 (fixit): Cope with PIC constants.
19019 (output_return): Do not treat the PIC register as live if
19020 TARGET_SINGLE_PIC_BASE is true.
19021 (thumb_function_prologue): Do not treat the PIC register as live if
19022 TARGET_SINGLE_PIC_BASE is true.
19023 (thumb_expand_prologue): Do not treat the PIC register as live if
19024 TARGET_SINGLE_PIC_BASE is true.
19025 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
19026 TARGET_SINGLE_PIC_BASE is true.
19027 (thumb_print_operand): Accept '|'.
19028 (thumb_override_options): Process PIC options.
19030 * config/arm/thumb.md (movsi): Support PIC.
19031 (call_insn): Change "i" constraint to "X".
19032 (call_value_insn): Likewise.
19033 (consttable_4, consttable_8, consttable_end): Set and clear
19034 "making_const_table" as appropriate.
19035 (pic_load_addr, pic_add_dot_plus_four): New insns.
19037 * invoke.texi (Thumb Options): Fix spelling. Document new
19038 options -msingle-pic-base and -mpic-register=.
19040 1999-07-26 Andrew Haley <aph@cygnus.com>
19042 * config/m32r/initfini.c (__init): Use a full word immediate for
19043 __fini: this allows it to be placed in any memory region.
19045 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
19046 -mmodel=medium. This is OK for all memory models.
19048 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
19050 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
19051 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
19053 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
19055 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
19058 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
19060 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
19062 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
19063 (BUILD_VA_LIST_TYPE): New.
19064 (EXPAND_BUILTIN_VA_START): New.
19065 (EXPAND_BUILTIN_VA_ARG): New.
19066 * i860.c (output_delayed_branch): Disable.
19067 (output_delay_insn): Likewise.
19068 (i860_saveregs): New.
19069 (i860_build_va_list): New.
19070 (i860_va_start): New.
19071 (i860_va_arg): New.
19072 * i860.md: Disable all peepholes using output_delayed_branch.
19073 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
19075 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
19077 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
19078 (BUILD_VA_LIST_TYPE): New.
19079 (EXPAND_BUILTIN_VA_START): New.
19080 (EXPAND_BUILTIN_VA_ARG): New.
19081 * clipper.c (clipper_builtin_saveregs): Only dump registers.
19082 Return the address of the save area.
19083 (clipper_build_va_list): New.
19084 (clipper_va_start): New.
19085 (clipper_va_arg): New.
19087 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
19089 * arc.h (EXPAND_BUILTIN_VA_START): New.
19090 (EXPAND_BUILTIN_VA_ARG): New.
19091 * arc.c (arc_setup_incoming_varargs): Set alias set of
19093 (arc_va_start): New.
19096 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
19098 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
19099 (BUILD_VA_LIST_TYPE): New.
19100 (EXPAND_BUILTIN_VA_START): New.
19101 (EXPAND_BUILTIN_VA_ARG): New.
19102 * alpha.c (alpha_builtin_saveregs): Delete.
19103 (alpha_build_va_list): New.
19104 (alpha_va_start): New.
19105 (alpha_va_arg): New.
19107 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
19109 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
19111 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
19112 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
19114 * gcc.texi: More changes related to list conversion.
19115 * invoke.texi: Likewise.
19117 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
19119 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
19120 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
19121 (expand_builtin_next_arg): Accept ARGLIST not EXP.
19122 (stabilize_va_list): New function.
19123 (std_expand_builtin_va_start): New function.
19124 (expand_builtin_va_start): New function.
19125 (get_varargs_alias_set): New function.
19126 (std_expand_builtin_va_arg): New function.
19127 (expand_builtin_va_arg): New function.
19128 (expand_builtin_va_end): New function.
19129 (expand_builtin_va_copy): New function.
19130 (expand_builtin): Call them.
19131 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
19132 __builtin_{varargs_start,stdarg_start,end,copy}.
19133 (build_va_arg): New function.
19134 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
19135 (build_va_arg): Declare.
19136 * c-decl.c (ptr_type_node, va_list_type_node): New.
19137 * c-parse.gperf (__builtin_va_arg): New.
19138 * c-parse.in (VA_ARG): New token.
19139 (unary_expr): Recognize it.
19140 * expr.c (expand_expr): Expand VA_ARG_EXPR.
19141 * expr.h (std_expand_builtin_va_start): Declare.
19142 (std_expand_builtin_va_arg): Declare.
19143 (expand_builtin_va_arg): Declare.
19144 (get_varargs_alias_set): Declare.
19145 * tree.def (VA_ARG_EXPR): New.
19146 * tree.h (BUILT_IN_VARARGS_START): New.
19147 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
19148 (ptr_type_node, va_list_type_node): Declare.
19149 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
19150 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
19151 * m88k.h, m88k.c: Likewise.
19152 * mn10300.h, mn10300.c: Likewise.
19153 * pa.h, pa.c: Likewise.
19154 * rs6000.h, rs6000.c: Likewise.
19155 * sh.h, sh.c: Likewise.
19156 * sparc.h, sparc.c: Likewise.
19158 * emit-rtl.c (operand_subword): Copy alias set.
19159 (change_address): Likewise.
19161 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
19163 * pa.c (compute_frame_size): Scan all the used callee saved registers,
19164 not just the first one.
19166 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
19168 * config/arm/arm.h (TARGET_SWITCHES): Add
19169 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
19170 (TARGET_OPTIONS): Add -mpic-register=.
19171 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
19172 (arm_pic_register_string): Declare.
19173 (NEED_PLT_GOT): Delete, replace with ...
19174 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
19175 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
19176 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
19177 * config/arm/arm.c (arm_override_options): Add new option
19179 (arm_pic_register_string): New variable.
19180 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
19181 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
19182 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
19183 (output_return_instruction): Likewise.
19184 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
19185 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
19186 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
19188 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
19189 mention of -msched-prolog. Document new options -msingle-pic-base
19190 and -mpic-register=.
19192 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
19194 * haifa-sched.c (reemit_notes): Tidy.
19195 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
19198 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
19200 * explow.c (trunc_int_for_mode): New function.
19201 (plus_constant_wide): Use it.
19202 * combine.c (simplify_and_const_int): Likewise.
19203 (merge_outer_ops): Likewise.
19204 (simplify_shift_const): Likewise.
19205 * cse.c (simplify_unary_operation): Likewise.
19206 (simplify_binary_operation): Likewise.
19207 * emit-rtl.c (operand_subword): Likewise.
19208 * rtl.h: Declare it.
19210 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19212 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
19213 (use NUM_REGS instead of NUM_INTS).
19215 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19217 * builtins.c: New file.
19218 * expr.c (saveregs_value, apply_args_value): Delete definition,
19219 moved into builtins.c.
19220 (string_constant): No longer static.
19221 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
19222 apply_args_size, apply_result_size, result_vector,
19223 expand_builtin_apply_args, expand_builtin_apply,
19224 expand_builtin_return): Delete functions, moved into builtins.c.
19225 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
19226 * expr.h (saveregs_value, apply_args_value): Declare variables.
19227 (expand_builtin, string_constant): Declare functions.
19228 * Makefile.in: Update to build builtin.o.
19230 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19232 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
19233 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
19234 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
19235 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
19237 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
19240 1999-07-21 Michael Meissner <meissner@cygnus.com>
19242 * print-rtl.c (print_rtx): Print the names of the virtual
19245 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
19247 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
19248 introduced in previous delta.
19250 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19252 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
19253 to avoid name clash.
19255 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19257 * c-lex.c (yylex) : Correct the test for overflow when lexing
19260 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
19262 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
19263 (adjust_priority): Always call ADJUST_PRIORITY.
19264 (schedule_insn): Only put insns into the ready at cost 0.
19265 (schedule_block): Remove redundant initial sort. Give clock_var
19266 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
19268 * tm.texi (MD_SCHED_REORDER): Update docs.
19270 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
19271 * sparc.c (ultra_reorder_called_this_block): Delete.
19272 (ultrasparc_sched_init): Don't set it.
19273 (ultrasparc_sched_reorder): Don't check it.
19275 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
19277 * rs6000.h (struct rs6000_args): Add sysv_gregno.
19278 * rs6000.c (init_cumulative_args): Init sysv_gregno.
19279 (function_arg_boundary): Align DFmode.
19280 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
19281 to get fp reg and stack overflow correct.
19282 (function_arg): Likewise.
19283 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
19284 (setup_incoming_varargs): Restructure for ABI_V4; use
19285 function_arg_advance to skip final named argument.
19286 (expand_builtin_saveregs): Properly unskip the last integer arg
19287 when doing varargs. Adjust overflow location calculation.
19289 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
19290 explicitly unsigned.
19291 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
19292 (__VA_GP_REGSAVE): Similarly.
19293 (__va_longlong_p): Delete.
19294 (__va_arg_type_violation): New declaration.
19295 (va_arg): Restructure. Flag promotion errors. Align double.
19296 TFmode passed by reference.
19298 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
19299 in the HOST_BITS_PER_WIDE_INT > 32 case.
19301 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
19303 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
19305 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
19307 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
19308 * toplev.c (documented_lang_options): Add -fpreprocessed.
19309 * cpplib.h (struct cpp_buffer): Add preprocessed.
19310 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
19311 (cpp_start_read): Don't expand macros or emit an initial #line
19312 directive if -fpreprocessed.
19314 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19316 * cpplib.h (struct cpp_buffer): Added manual_pop for
19317 better C++ tokenization.
19318 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19319 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19320 * c-common.c (cpp_token): Make non-static.
19322 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19324 * c-common.h: New file.
19325 * c-common.c (permanent_obstack): Delete unused declaration.
19326 (c_global_trees): New array.
19327 (c_common_nodes_and_builtins): New function; split off common code
19328 from init_decl_processing in both c-decl.c and cp/decl.c.
19329 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19330 c_global_trees and accessor macros defined in c-common.h.
19331 Include c-common.h.
19332 * c-decl.c: Delete definitions for tree nodes that were replaced by
19334 (init_decl_processing): Build void_list_node.
19335 Call c_common_nodes_and_builtins; delete code to generate the common
19337 * objc/objc-act.c (build_module_descriptor): Rename variable
19338 void_list_node to avoid clash with c-common.h.
19340 * Makefile.in: Update dependencies.
19341 * objc/Make-lang.in: Likewise.
19343 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19345 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19346 (UNIQUE_SECTION_P): Likewise.
19347 (UNIQUE_SECTION): Likewise.
19349 1999-07-19 Linas Vepstas <linas@linas.org>
19351 * config/i370/README: New file.
19352 * config/i370/linux.h: New file.
19353 * config/i370/mvs.h: New file.
19354 * config/i370/oe.h: New file.
19355 * config/i370/t-linux: New file.
19356 * config/i370/t-mvs: New file.
19357 * config/i370/t-oe: New file.
19358 * config/i370/x-oe: New file.
19359 * config/i370/xm-linux.h: New file.
19360 * config/i370/xm-mvs.h: New file.
19361 * config/i370/xm-oe.h: New file.
19363 * i370.c (label_node_t): Add first_ref_page, label_addr,
19364 label_first_ref, label_last_ref members.
19365 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19366 (MAX_MVS_LABEL_SIZE): Define.
19367 (MAX_LONG_LABEL_SIZE): Define.
19368 (alias_node_t, alias_anchor, alias_number): New.
19369 (mvs_function_table): Reorder for EBCDIC.
19370 (ascebc, ebcasc): Unconditionally define.
19371 (i370_branch_dest, i370_branch_length): New functions.
19372 (i370_short_branch, i370_label_scan): New functions.
19373 (mvs_get_label): Renamed from mvs_add_label. Search for
19374 an existing label before creating a new one.
19375 (mvs_add_label): New function.
19376 (mvs_get_label_page): New function.
19377 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19378 over the entire list.
19379 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19380 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19381 (mvs_add_alias, mvs_need_alias): New functions.
19382 (mvs_get_alias, mvs_check_alias): New functions.
19383 (handle_pragma): New function.
19384 (mvs_function_check): New function.
19385 (unsigned_jump_follows_p): Search harder.
19386 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19387 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19388 * i370.h (TARGET_VERSION): Delete.
19389 (CPP_SPEC, CPP_PREDEFINES): Delete.
19390 (mvs_label_emitted): Delete.
19391 (TARGET_EBCDIC): Delete.
19392 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19393 (HANDLE_PRAGMA): Define.
19394 (HARD_REGNO_NREGS): Handle complex modes.
19395 (HARD_REGNO_MODE_OK): Likewise.
19396 (CLASS_MAX_NREGS): Likewise.
19397 (RET_REG): Likewise.
19398 (EXTRA_CONSTRAINT): Define.
19399 (RETURN_IN_MEMORY): True for DImode.
19400 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19401 (FUNCTION_PROFILER): Delete.
19402 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19403 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19404 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19405 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19406 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19407 (ASM_FILE_START): Add "RMODE ANY".
19408 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19409 (ASM_GLOBALIZE_LABEL): Likewise.
19410 (ASM_OUTPUT_LABELREF): Likewise.
19411 (ASM_OUTPUT_COMMON): Likewise.
19412 (PRINT_OPERAND): Handle 'K', 'W', default.
19413 (PRINT_OPERAND_ADDRESS): New.
19414 (Lots of defines): Add support for TARGET_ELF_ABI.
19415 * i370.md (attr length): New. Define for all patterns.
19416 (*): Lots of tweeks to assembly output and constraints.
19418 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19420 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19421 Disable patterns performing SImode comparisons with SImode values
19422 if TARGET_POWERPC64 and instruction does not sign-extend or does
19423 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19424 differ for signed quantities.
19425 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19426 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19427 (decrement_and_branch_on_count): Add 64-bit variant.
19429 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19431 * final.c (output_asm_insn): When searching for the matching string
19432 for a given dialect, don't run past the end of the list of
19433 alternatives if there are fewer alternatives in the template than
19436 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19438 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19439 Removed paragraph about compression of files and size limitation,
19440 duplicated in the FAQ. Use gcc-patches for posting patches.
19441 * gcc.c (main): Updated URL with bug reporting instructions to
19442 gcc.gnu.org. Removed e-mail address.
19443 * system.h (abort): Likewise.
19445 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19447 * Makefile.in (stmp-multilib-sub): Make the files extracted
19448 from $(LIBGCC1) writable.
19450 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19452 * config/arm/aout.h: Reformat for improved readability.
19454 * config/arm/arm.h: Reformat for improved readability.
19455 Replace uses of fprintf with asm_fprintf where appropriate.
19456 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19457 function declaration assembler actions.
19458 (NUM_INTS): New macro: Convert from bytes to words.
19459 (NUM_REGS): New macro: Compute number of registers required to
19460 hold a quanitity of tyep MODE.
19461 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19463 (NUM_ARG_REGS): New macro: The number of argument registers
19465 (ARG_REGISTER): New macro: Compute the register number of the Nth
19467 (LAST_ARG_REGNUM): New macro: The number of the last argument
19469 (SP_REGNUM): New macro: Register number of the stack pointer.
19470 (FP_REGNUM): New macro: Register number of the frame pointer.
19471 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19472 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19473 CUMULATIVE_ARGS so that it counts registers not bytes.
19475 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19477 Replace uses of fprintf with asm_fprintf where appropriate.
19478 (output_ascii_pseudo_op): Replace with version from thumb.c
19480 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19482 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19483 SUBTARGET_CPP_SPEC.
19484 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19485 (ASM_FILE_START): Emit ASM_APP_OFF.
19487 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19489 * pa.c (compute_frame_size): Round frame according to
19490 STACK_BOUNDARY rather than a hardwired value.
19492 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19494 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19496 * configure: Rebuilt.
19498 * configure.in (hppa*-*-linux*): New configuration.
19499 * configure: Rebuilt.
19500 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19501 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19502 * pa/pa-linux.h: New file.
19503 * pa/t-linux: New file.
19504 * pa/xm-linux.h: New file.
19506 * pa.c (hppa_legitimize_address): Change references from SImode to
19507 either Pmode or word_mode as appropriate.
19508 (emit_move_sequence, store_reg, load_reg): Likewise.
19509 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19510 (output_mul_insn): Likewise.
19511 * pa.h (PROMOTE_MODE): Likewise.
19512 (INITIALZE_TRAMPOLINE): Likewise.
19513 (Pmode): Define to word_mode.
19515 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19516 value of 4. Allocate 8 bytes for each FP register save.
19517 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19519 (hppa_expand_prologue): Likewise.
19520 * pa.h (PROMOTE_MODE): Likewise.
19521 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19522 (FUNCTION_ARG_BOUNDARY): Likewise.
19524 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19526 * pa.c (out_of_line_prologue_epilogue): Delete.
19527 (override_options): Remove -mspace related code.
19528 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19529 (compute_frame_size): Only allocate space for register that
19530 actually need to be saved.
19531 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19532 (TARGET_SWITCHES): Remove -mspace, -mno-space
19533 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19534 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19535 * pa/ee.asm, pa/ee_fp.asm: Delete.
19537 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19539 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19540 directive in column zero.
19542 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19544 * m68k.c (output_function_prologue): Fix computation of save mask
19545 when generating PIC code.
19547 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19549 * tree.c (build_type_attribute_variant): Move current_obstack restore
19550 after build_qualified_type call.
19552 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19554 * configure.in: Use t-iris6, even with GNU LD.
19555 * config/mips/iris6gld.h: Fix typo in linker spec.
19556 * config/mips/t-iris6gld: Remove.
19558 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19560 * rs6000.md (insv, extzv): Remove SImode dependence in named
19561 patterns. Explicitly generate DImode RTL if PowerPC64 and
19563 (insvdi): Reverse start and size in instruction template.
19565 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19567 * invoke.texi: Typo fixes.
19569 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19571 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19572 handle at this time instead of silently generating incorrect code.
19573 (gen_imagpart): Likewise.
19575 * reload.c (find_reloads): Emit a USE for a pseudo register without
19576 a hard register if we could not create an optional reload for the
19579 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19581 * c-typeck.c (output_init_element, process_init_element):
19582 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19583 check for nameless bit fields.
19585 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19587 * regclass.c (scan_one_insn): Notice subregs that change the
19588 size of their operand.
19589 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19591 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19593 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19594 * configure: Rebuilt.
19595 * alpha/t-ieee: New file.
19597 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19599 * rs6000.c (find_addr_reg): Do not select r0 as an address
19602 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19604 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19606 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19608 * rs6000.md (movsf): Do not force easy FP constants into memory.
19610 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19611 immed_double_const to ensure they are properly truncated then
19614 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19616 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19617 always unless NO_DEBUG is used. Compile this code
19619 (replace_symbols_in_block): Compile it unconditionally.
19621 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19623 * configure.in (i?86-*-elf*): New target.
19624 * configure: Rebuilt.
19625 * i386/i386elf.h, i386/t-i386elf: New files.
19627 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19629 * toplev.c (main): Don't complain about saying -gdwarf.
19630 (rest_of_compilation): Remove redundant code.
19632 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19634 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19636 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19638 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19639 "Li960R:", to avoid name clash.
19641 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19643 * loop.c (check_dbra_loop): When reversing a loop, delete all
19644 REG_EQUAL notes referencing the reversed biv except those which are
19645 for a giv based on it.
19647 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19649 * version.c: Drop "gcc-" prefix from version #.
19651 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19653 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19654 the label if we're being verbose.
19656 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19658 * m68k.c (output_function_prologue): Add pic register to mask
19659 if live and flag_pic.
19660 (output_function_epilogue): Likewise.
19662 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19664 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19665 directives in column zero.
19667 * pa/elf.h (ASM_FILE_START): Define.
19668 * pa/som.h (ASM_FILE_START): Include .level directives.
19669 * pa/hpux10.h (ASM_FILE_START): Delete.
19670 * pa/hpux11.h (ASM_FILE_START): Delete.
19672 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19674 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19676 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19677 when reload_out equals reload_in.
19679 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19681 * invoke.texi (Spec Files): New node: Describe the contents of
19684 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19686 * invoke.texi (DEC Alpha Options): Put @end table at
19687 beginning of line, to avoid confusing texi2html.
19689 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19691 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19692 introduced in previous delta.
19694 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19696 * reload1.c (gen_reload): When synthesizing a 3 operand add
19697 sequence, improve test for when to reload OP1 into the reload
19698 register instead of OP0.
19700 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19702 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19704 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19706 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19709 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19711 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19712 (va_dcl): Use __builtin_va_alist_t.
19714 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19716 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19717 on the permanent_obstack.
19718 * dwarfout.c (output_type): Likewise.
19720 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19722 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19723 Merged from c-typeck.c and cp/typeck.c.
19724 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19725 Merged into c-common.
19727 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19729 * c-lex.c (errorcount): Declare it.
19730 (finish_parse): Update errorcount when using CPPLIB.
19732 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19734 * fixinc/inclhack.def(end_else_label): Double the backslash so
19735 sed gets a chance to see it.
19736 * fixinc/inclhack.sh: regen
19737 * fixinc/fixincl.x: regen
19739 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19741 Add framework to support armv5 architecture when it becomes
19744 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19745 (arm_arch5): New variable.
19746 (all_architectures): Add armv5 line.
19747 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19748 -march=armv5 is specified on the command line.
19749 (arm_arch5): Export this variable.
19750 * invoke.texi: Document new string accepted by -march= switch for
19753 * config/arm/arm.h: Replace use of constant 12 as a register
19754 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19755 * config/arm/arm.c: Replace use of constant 12 as a register
19756 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19758 * config/arm/elf.h: Tidy up.
19759 * config/arm/coff.h: Tidy up.
19761 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19763 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19764 * gcc/config/mips/t-iris6gld: New file.
19765 * gcc/config/mips/iris6gld.h: Likewise.
19767 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19769 * c-decl.c (widest_integer_literal_type_node,
19770 widest_unsigned_literal_type) : New.
19771 (init_decl_processing): Handle/use the two new types.
19772 * c-common.c (type_for_size,type_for_mode) : Same.
19773 * c-lex.c (yylex) : Same.
19774 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19776 * c-tree.h (widest_integer_literal_type_node,
19777 widest_unsigned_literal_type) : New.
19779 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19781 * dwarfout.c (field_byte_offset): Correctly compute the object's
19782 byte offset for the first bit of a field which crosses an alignment
19783 boundary on a !BYTES_BIG_ENDIAN target.
19785 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19787 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19790 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19791 Jeff Law <law@cygnus.com>
19793 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19796 * except.c: Include intl.h.
19797 (expand_eh_return): Set current_function_cannot_inline.
19798 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19799 * function.h (struct function): Add eh_return_stub_label.
19800 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19801 * Makefile.in (except.o): Depend on intl.h.
19803 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19805 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19806 same as offsettable in cases 1 and 2.
19808 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19810 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19811 (extlh, extwh): Likewise.
19813 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19815 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19817 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19819 * configure.in: Add arm-pe and thumb-pe targets.
19820 * configure: Regenerate.
19822 * thumb.c (arm_naked_function_p): New function: Determines if
19823 a function is naked (has no gcc generated prologue/epilogue).
19824 (is_called_in_ARM_mode): Return true if the func has the
19825 interfacearm attribute.
19826 (output_return): Do not generate a return for naked functions.
19827 (thumb_function_prologue): Do not generate a prologue for
19829 (thumb_expand_prologue): Do not generate a prologue for naked
19831 (thumb_expand_epilogue): Do not generate an epilogue for naked
19833 (arm_valid_machine_decl_attribute): New function, copied from
19834 arm.c: Permit naked and interfacearm attributes.
19836 * config/arm/pe.c: New file: Support code for arm-pe target.
19837 * config/arm/pe.h: New file: Header file for arm-pe target.
19838 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19839 * config/arm/t-thumb-pe: New file: Makefile fragment for
19842 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19844 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19845 -fPIC or -fpic is specified.
19847 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19849 * expr.c (emit_block_move): Use copy_to_mode_reg for
19850 !TARGET_MEM_FUNCTIONS case too.
19852 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19854 * configure: Rebuilt.
19855 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19856 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19857 definitions made redundant by dbxelf.h inclusion. Delete
19858 lots of definitions related to assembly output that are
19859 specific to the SOM object format.
19860 * pa.c (output_function_prologue): Do not emit the function's
19862 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19863 * pa-pro.h: Deleted.
19864 * som.h: New file with SOM specific definitions.
19865 * elf.h: New file with ELF specific definitions.
19867 * elfos.h (const_section): Output a tab before assembler directives.
19868 (ctors_section, dtors_section): Likewise.
19869 (ASM_OUTPUT_SECTION_NAME): Likewise.
19871 * pa/pa1.h: Delete unused file.
19873 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19875 * configure.in (hppa*-hp-hpux11*): New configuration.
19876 * configure: Rebuilt.
19877 * pa/pa-hpux11.h: New file.
19878 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19881 * mips.md (leasi, leadi): New patterns.
19883 * expr.c (emit_block_move): Properly handle case where one of the
19884 block move arguments has a queued increment or decrement.
19885 (clear_storage): Similarly. Fix formatting goof.
19887 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19889 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19890 semicolon from the BSD VA_LIST replacement expression.
19892 * fixinc/inclhack.sh: regen
19893 * fixinc/fixincl.x: regen
19895 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19896 now use the fixincl program.
19898 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19900 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19901 case. Also make the PIC register call_used.
19903 * m68k.h (FINALIZE_PIC): Delete.
19904 * m68k.c (finalize_pic): Delete.
19906 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19908 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19911 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19913 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19915 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19917 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19919 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19921 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19923 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19925 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19927 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19929 * rs6000.c (output_toc): Always use hex values for floating-point
19930 constants. Store single-precision values in upper-half of TOC
19931 entry in 64-bit mode.
19932 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19933 to final constraints.
19934 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19935 (fctiwz): Improve accuracy of RTL for pattern.
19937 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19939 * expr.c (expand_expr): Allow RTL_EXPR's through the
19940 MAX_INTEGER_COMPUTATION_MODE checks.
19942 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19944 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19945 such that MASK_SUPPORT_ARCH is not negative.
19947 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19949 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19950 ADDR_DIFF_VEC insns that appear inside loops.
19952 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19953 Jeff Law <law@cygnus.com>
19955 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19956 Handle LO_SUM the same as offsettable in cases 1 and 2.
19957 * rs6000.c (find_addr_reg): Revert previous patch.
19959 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19961 * system.h (strstr): New external function declaration.
19962 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19963 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19964 * config.in, configure: Rebuilt.
19966 1999-06-24 Tom Tromey <tromey@cygnus.com>
19968 * gcc.c (main): Read user-specified specs files after computing
19969 additional startfile_prefixes.
19971 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19973 Revert these two patches:
19975 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19976 * loop.c (strength_reduce): When doing biv->giv conversion, update
19977 reg note of NEXT->insn.
19979 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19980 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19982 (recombine_givs): Set ix field after sorting.
19984 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19986 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19987 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19989 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19991 *fixinc/inclhack.def: Add fix development commentary
19992 (read_ret_type): reactivate and add selection clause
19993 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19994 *fixinc/{fixincl.x|inclhack.sh}: regen
19996 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19998 * expr.c (expand_expr): STRIP_NOPS before checking against
19999 MAX_INTEGER_COMPUTATION_MODE
20000 (check_max_integer_computation_mode): Likewise.
20002 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
20004 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
20006 1999-06-22 Jim Wilson <wilson@cygnus.com>
20008 * expr.c (store_expr): When target is a promoted subreg, return a
20009 promoted subreg as a result.
20011 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
20013 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
20015 (dwarf2out_define): Mark unused parameters appropriately.
20016 (gen_unspecified_parameters_die): Ditto.
20017 (gen_subprogram_die): Fix signed/unsigned warnings.
20018 (gen_variable_die): Ditto.
20020 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
20022 * fixinc/inclhack.def(end_else_label): combined else_label
20023 and endif_label and fixed the sed expression.
20024 *fixinc/{fixincl.x|inclhack.sh}: regen
20026 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
20028 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
20029 'x' when handling non-offsettable addresses
20031 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
20033 * final.c (shorten_branches): Don't try to split an insn that has
20036 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
20038 * config/mips/mips.c (symbolic_expression_p): New function.
20039 (mips_select_rtx_section): Put symbolic expressions in the
20040 data section, not the read-only data section.
20042 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
20044 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
20046 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
20048 * collect2.c (main): Log frame table count.
20049 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
20050 (scan_prog_file) [COFF]: Handle frame tables.
20052 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
20053 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
20054 * alpha/elf.h: Undef them again.
20055 * alpha/vms.h: Remove their definitions.
20057 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20059 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
20060 remove the clobber of r0 and change the REG_UNUSED note to
20063 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
20065 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
20066 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
20067 fits in HOST_WIDE_INT and one uses union to access a long constant
20070 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
20072 * sparc.c (sparc_override_options): Don't allow profiling for
20073 code models other than medlow.
20074 (sparc_function_profiler): New function from old FUNCTION_PROFILER
20075 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
20076 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
20077 (sparc_block_profiler): Likewise.
20078 (sparc_function_block_profiler_exit): Likewise.
20079 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
20080 (FUNCTION_BLOCK_PROFILER): Likewise.
20081 (BLOCK_PROFILER): Likewise.
20082 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
20083 (MCOUNT_FUNCTION): New.
20084 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
20085 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
20086 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
20087 (MCOUNT_FUNCTION): New.
20088 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
20089 (BLOCK_PROFILER): Delete.
20090 (MCOUNT_FUNCTION): New.
20092 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
20094 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
20096 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
20098 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20101 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20104 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20107 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20110 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
20112 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
20115 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
20117 * i386/djgpp.h (LIB_SPEC): New.
20118 (STARTFILE_SPEC): New.
20120 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
20122 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
20124 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
20127 * system.h (WSTOPSIG): New macro.
20129 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
20131 * c-pragma.c (push_alignment): Don't ignore alignments greater than
20133 (insert_pack_attributes): Take into account member natural
20136 * i386/winnt.c (exports_head): New static variable.
20137 (i386_pe_record_exported_symbol): New function.
20138 (i386_pe_asm_file_end): Use.
20139 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
20140 symbols to be emitted at end of assembly.
20141 (ASM_DECLARE_OBJECT_NAME): Likewise.
20142 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20144 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
20147 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
20149 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
20152 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
20154 * haifa-sched.c (sched_analyze_1): Use free_list instead of
20155 zapping reg_last_uses directly.
20156 (sched_analyze_2, sched_analyze_insn): Likewise.
20157 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
20159 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
20161 * rs6000.md (movdf_hardfloat32): Use worst case insn length
20162 attributes for cases 1 and 2.
20164 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
20166 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
20169 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
20171 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
20173 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
20175 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
20176 PIC_OFFSET_TABLE_REGNUM for general alloaction.
20177 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
20178 must be stacked if it is used for PIC accesses.
20179 * arm.c (use_return_insn): Handle PIC register specially.
20180 (output_return_instruction): Likewise.
20181 (output_func_{prologue,epilogue}): Likewise.
20182 (output_expand_prologue): Likewise.
20184 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
20185 (*strsi_predec): Renamed from *strqi_predec.
20186 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
20187 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
20189 * arm.c (arm_override_options): Remove warning about PIC code
20190 not being supported.
20192 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
20194 * rs6000.c (find_addr_reg): New function.
20195 * rs6000.h (find_addr_reg): Declare.
20196 (offsettable_addr_operand): Delete.
20197 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
20198 from and stores to GPRs.
20200 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
20202 * alpha.c (alpha_expand_block_move): Use get_insns rather than
20203 gen_sequence as argument to emit_no_conflict_block.
20205 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20207 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
20208 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
20209 *fixinc/fixincl.x: regen
20210 *fixinc/inclhack.sh: regen
20212 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
20214 * added support for -mpcrel (PC relative addressing for m68k)
20215 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
20216 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
20217 * m68k.c (print_operand_address): Handle 32-bit PIC case.
20218 (comments for general_src_operand): Add some explanation
20219 about EXTRA_CONSTRAINTS.
20220 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
20221 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
20222 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
20223 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
20224 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
20225 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
20226 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
20227 if not already set.
20228 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
20229 * m68k.h (TARGET_PCREL): New target flag.
20230 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
20231 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
20232 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
20233 contains a SYMBOL_REF. Relax this constraint during reload, since
20234 we want to use the predicates, not reload's built-in concept of a
20235 valid memory address, to control what insns need reloading.
20236 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
20237 operands (essentially 'g', 'm', and 's' under normal circumstances).
20238 * m68k.c (print_operand): Cause printing of pc-relative addresses
20239 to include pc register.
20240 (print_operand_address): Ditto.
20241 (general_src_operand): Accept operands that are not only
20242 general_operands, but are also valid when used as a pc-relative
20244 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
20245 (memory_src_operand): Similar, for memory_operands.
20246 (pcrel_address): New predicate to accept the special case of a
20247 pc-relative address.
20248 * m68k.md (many patterns): Rewrite common SImode, HImode, and
20249 QImode insns to accept *_src_operand instead of *_operand where
20250 pc-relative operands can fit. For example, a pc-relative operand
20251 can be used as a memory source operand for addsi3, but not as a
20252 memory destination.
20253 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
20255 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
20257 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
20258 .thumb_set pseudo op to mark aliases of thumb functions.
20260 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
20262 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
20263 preference to ASM_OUTPUT_DEF, if it is defined.
20265 * tm.texi: Document new, optional target macro
20266 ASM_OUTPUT_DEF_FROM_DECLS.
20268 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20270 * fixincludes: ISCNTL patch
20271 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
20272 (dgux_int_varargs): new for DG/UX
20273 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
20275 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
20277 * invoke.texi (ia32 options): Fix typo.
20279 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20281 * loop.c (strength_reduce): When doing biv->giv conversion, update
20282 reg note of NEXT->insn.
20284 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
20286 * loop.c (move_movables): Note issues with replacing REGs with
20288 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
20290 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
20292 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
20294 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
20295 the reference to `mcount' was not correct for the ELF on FreeBSD.
20297 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20299 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20302 (recombine_givs): Set ix field after sorting.
20304 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
20306 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
20307 to safe to extract a subword out of a REG.
20309 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20311 * sh.md (mulsi3): Don't add a no-op move at the end.
20313 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20315 * cse.c (cse_insn): Don't put hard register source into tables for
20316 the last insn of a libcall.
20318 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20320 * loop.c (strength_reduce): Insert sets of derived givs at every
20321 biv increment, even if it's the only one.
20323 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20325 * dwarfout.c (add_incomplete_type): New fn.
20326 (output_type): Call it.
20327 (retry_incomplete_types): New fn.
20328 (dwarfout_finish): Call it.
20330 From Eric Raskin <ehr@listworks.com>:
20331 (output_type): Output types for bases.
20333 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20335 * mips.c (mips_output_conditional_branch): Add `break'
20336 between `default' label and `close braces'.
20338 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20340 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20341 specifications and make it realistic.
20342 (LIB_SPEC): Likewise.
20344 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20346 * config/mips/mips.c (mips_secondary_reload_class): Check for
20347 (PLUS (SP) (REG)) and return appropriate register class.
20348 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20349 Handle (PLUS (SP) (REG)).
20350 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20351 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20352 of emit_insn for tablejump.
20354 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20356 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20357 asm_fprintf format string by itself.
20358 (output_function_profiler): Likewise.
20360 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20362 * combine.c (simplify_logical, case AND): Only call
20363 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20364 or the constant is positive.
20366 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20368 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20369 * configure: Regenerate.
20371 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20373 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20374 require a sub-version #.
20375 * configure: Rebuilt.
20377 1999-06-14 Robert Lipe (robertlipe@usa.net)
20379 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20381 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20383 * c-typeck.c (process_init_element): Detect excess elements in
20384 char array initializer.
20386 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20388 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20390 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20392 * invoke.texi (Option Summary): Add -fpermissive flag.
20394 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20396 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20397 that require PIC code sequences.
20399 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20401 * configure.in: Add new target: thumb-elf.
20402 * configure: Regenerate.
20403 * config/arm/t-thumb-elf: New file: Makefile fragment for
20405 * config/arm/telf.h: New file: Header file for thumb-elf
20408 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20410 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20411 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20412 initializers is some circumstances.
20414 * fixinc/inclhack.def (endif_label): Add additional selector for
20415 more bogus stuff after #endif statements.
20416 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20418 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20420 * i386/cygwin.h (SET_ASM_OP): Define.
20422 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20424 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20426 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20428 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20431 * sh.md (ic_invalidate_line_i): Remove second alternative.
20433 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20435 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20436 test for the presence of valid prototypes. Delete bypass expr.
20437 (ioctl_fix_ctrl): Correct the selection expression.
20438 (no_double_slash): Correct quoting rules
20439 *fixinc/fixincl.x: regen
20440 *fixinc/inclhack.sh: regen
20442 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20444 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20446 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20448 * rs6000.md (movsi_got_internal_mem): Delete.
20449 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20450 (GOT_TOC_REGNUM): Delete.
20451 (PIC_OFFSET_TABLE_REGNUM): Define.
20452 (FINALIZE_PIC): Disable.
20453 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20454 (rs6000_replace_regno): Delete.
20455 (rs6000_finalize_pic): Likewise.
20456 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20458 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20460 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20461 is a note; use <= for the compare; advance P while it is
20464 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20466 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20467 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20469 * varasm.c (remove_from_pending_weak_list): Verify t->name
20470 is non-NULL before passing it to strcmp.
20472 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20474 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20475 the typed arguments are not part of a comment
20476 (ioctl_fix_ctrl): Added a purpose comment
20477 *fixinc/fixincl.x: regenerate
20478 *fixinc/inclhack.sh: regenerate
20480 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20482 * invoke.texi: Add C4x invocation docs.
20484 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20486 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20488 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20490 (c4x_legitimize_reload_address): New function.
20491 * config/c4x/c4x.md: Update docs.
20493 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20495 * fixincludes: Avoid removing '.'.
20496 * fixinc/fixinc.svr4: Likewise.
20497 * fixinc/fixinc.winnt: Likewise.
20498 * fixinc/inclhack.tpl: Likewise.
20499 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20501 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20503 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20505 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20507 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20509 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20512 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20514 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20515 * configure: Regenerate.
20517 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20519 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20522 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20524 * fixinc/inclhack.def (avoid_bool): Also catch
20525 "typedef [unsigned] int bool".
20526 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20528 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20529 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20530 * configure: Rebuilt.
20532 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20534 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20535 such that we can override its definitions if necessary.
20536 (CPP_SPEC): New define. Support processor specific predefines via
20538 (CC1_SPEC): New define. Support processor specific compiler
20539 options via %(cc1_cpu).
20540 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20543 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20545 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20546 between sed's -e flag, and the open-quote following it.
20547 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20549 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20550 Jeffrey A Law (law@cygnus.com)
20552 * varasm.c (assemble_start_function): Remove the function
20553 from the pending weak decls list when we define a function.
20554 (assemble_variable): Similarly for variables.
20555 (weak_finish): Ignore items on the list with a NULL name.
20556 (remove_from_ending_weak_list); New function to "remove" an item
20557 from the pending weak declarations list.
20559 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20561 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20563 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20565 * c-lex.c (GETC): Redefine to call getch.
20566 (UNGETC): Redefine to call put_back.
20567 (putback_buffer): New structure type.
20568 (putback): New static structure.
20569 (getch): New function.
20570 (put_back): New function.
20571 (yylex): Replace unused bytes from bad multibyte character.
20573 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20575 * cpplib.c (do_define): Cast `alloca' return value.
20576 (do_include, do_undef, do_pragma): Likewise.
20577 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20579 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20580 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20582 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20584 * sparc.md (abstf2): This should be an expand.
20585 (split after abstf2_notv9): Fix mode.
20586 (abstf2_hq_v9): New pattern.
20587 (abstf2_v9): Only use when no hard quad.
20588 (absdf2_v9): Fix if target is not the same as source.
20589 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20590 Add correct output constraints.
20592 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20594 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20595 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20597 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20599 * mips.h (mips_output_conditional_branch): New function.
20600 (mips_adjust_insn_length): Likewise.
20601 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20602 (ADJUST_INSN_LENGTH): Likewise.
20603 * mips.c (print_operand): Add `F' and `W' for floating-point
20604 comparison opcodes.
20605 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20607 (mips_adjust_insn_length): New function.
20608 (mips_output_conditional_branch): New function.
20609 * mips.md (length): Adjust attribute definition to handle
20610 conditional branches. Change lengths to bytes, rather than
20611 instructions throughout. Remove length attribute from
20612 instructions whose length is four bytes, and rely on the default
20614 (dslot): Fix typo in comment.
20615 Reword conditional branch patterns to use
20616 mips_output_conditional_branch.
20618 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20620 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20621 (LIB_SPEC): Likewise.
20622 Link with -lprof1_r for -g/-pg.
20624 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20626 * loop.c (check_dbra_loop): Fix change of Jan 19.
20628 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20630 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20631 (STARTFILE_SPEC): Define, override the svr4.h version.
20632 (ENDFILE_SPEC): Likewise.
20634 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20636 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20637 * fixinc/fixincl.x: Regenerated.
20638 * fixinc/inclhack.sh: Regenerated.
20640 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20642 * sh.c (barrier_align): Don't return early for normal branch/barrier
20643 when optimizing for SH2.
20645 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20647 * i386/udk.h (LINK_SPEC): Correct linker search path for
20650 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20652 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20653 (braf_label_ref_operand): Delete.
20654 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20655 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20656 label_ref, and has no predicate.
20657 The patten has a predicate to guard against invalid substitutions.
20658 (dummy_jump): Delete.
20659 (casesi): Update use of casesi_jump_2.
20661 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20663 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20664 *fixinc/fixincl.x: regenerate
20665 *fixinc/inclhack.sh: regenerate
20667 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20669 * dwarf2out.c (add_incomplete_type): New fn.
20670 (gen_struct_or_union_type_die): Call it.
20671 (retry_incomplete_types): New fn.
20672 (dwarf2out_finish): Call it.
20674 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20676 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20677 current block starts with a CODE_LABEL and ends with a CALL and
20678 we can not find all the argument setup instructions for the CALL.
20680 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20682 Revert this change:
20683 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20684 something is a candidate for optimize_bit_field_compare.
20686 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20688 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20690 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20692 * alpha.c (override_options): Thinko in last patch.
20694 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20695 (LIB_SPEC): Recognize -pthread.
20697 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20699 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20700 definition in config/arm/coff.h
20701 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20703 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20705 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20706 fixes that need "file=xxx\n" prepended before invocation
20707 (start_fixer - new): starting the fixer process is complex enough
20708 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20709 (process): uses the new routine; omit usage of putenv()
20710 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20711 * fixinc/fixincl.x: regenerate
20713 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20715 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20716 and version #s (1.1 -> 2.96) as needed.
20717 * README.g77: Kill way out of date file in the toplevel directory.
20719 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20721 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20722 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20723 * configure: Rebuilt.
20724 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20725 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20726 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20727 (SWITCH_TAKES_ARG): Likewise.
20728 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20729 * config/t-freebsd: Moved from config/i386/ so it can used for all
20732 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20734 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20736 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20738 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20739 * configure: Rebuilt.
20741 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20743 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20744 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20745 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20746 (rs6000_output_load_toc_table): Same.
20747 (output_prolog, output_mi_thunk): Same.
20748 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20749 (ASM_GLOBALIZE_LABEL): Use putc.
20751 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20753 * alpha.md (reload_*_help): New patterns and splitters.
20754 (reload_*): Use them.
20755 (mov[qh]i): Likewise.
20757 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20759 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20762 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20764 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20766 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20768 * flow.c (mark_regs_live_at_end, insn_dead_p,
20769 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20770 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20771 hasn't run or the frame pointer is needed.
20772 * haifa-sched.c (attach_deaths): Likewise.
20773 * sched.c (attach_deaths): Likewise.
20775 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20777 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20778 calculate_can_reach_end returns nonzero.
20780 * configure.in (native gas tests): Search for an assembler in the
20781 same manner that the installed compiler will.
20782 * configure: Rebuilt.
20783 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20785 * alias.c (find_base_term): Improve handling of addresses
20786 constructed from binary operations.
20788 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20790 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20792 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20794 * function.h (cleanup_label, frame_offset): Declare.
20795 (tail_recursion_label, tail_recursion_reentry): Likewise.
20796 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20797 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20798 (tail_recursion_label, tail_recursion_reentry): Likewise.
20799 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20801 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20803 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20805 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20806 (MAX_OFILE_ALIGNMENT): Define.
20808 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20810 * fixincl.c: Replace local include scheme with #includes of
20811 gansidecl.h and system.h.
20812 * procopen.c: Likewise.
20813 * server.c: Likewise.
20815 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20817 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20818 (crti.o): Add build rule and dependencies.
20819 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20821 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20823 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20824 (LIB_LINUX_SPEC): Likewise.
20825 (LIB_LINUX_SPEC): Add support for -pthread
20826 (CPP_OS_LINUX_SPEC): Likewise.
20827 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20830 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20832 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20834 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20835 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20836 for IEEE math and CC_FCOMI.
20837 (put_jump_code): No IEEE if CC_FCOMI is set.
20839 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20841 * fold-const.c (fold_truthop): Make the field reference unsigned
20842 when converting a single bit compare.
20844 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20846 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20848 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20850 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20851 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20854 * reload.c (push_reload): Do not call remove_address_replacements
20855 when presented with identical optional reloads.
20857 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20859 * alpha.h (MASK_FIX, TARGET_FIX): New.
20860 (MASK_*): Reorganize constants.
20861 (CPP_AM_FIX_SPEC): New.
20862 (TARGET_SWITCHES): Add FIX.
20863 (EXTRA_SPECS): Likewise.
20864 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20865 (SECONDARY_MEMORY_NEEDED): Likewise.
20866 (REGISTER_MOVE_COST): Likewise.
20867 * alpha.c (override_options): Add FIX support. Always use
20868 ALPHA_TP_PROG for ev6.
20869 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20870 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20871 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20873 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20875 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20876 something is a candidate for optimize_bit_field_compare.
20878 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20880 * gcc.texi (Passes): Document branch-shortening.
20881 * invoke.texi (Debugging Options): Document the fact that `-dp'
20882 outputs length information for instructions.
20884 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20886 * flow.c: Revert previous delta.
20888 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20890 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20891 FRAME_POINTER_REGNUM.
20892 (mark_set_1): Ditto.
20893 (mark_used_regs): Ditto.
20895 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20897 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20898 (GOT_PCREL): New macro. Define to 1 if not already defined.
20899 * arm/elf.h (GOT_PCREL): Define to 0.
20900 * arm.c (arm_finalize_pic): Take into account the setting of
20903 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20905 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20906 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20908 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20909 store elimination candidates.
20911 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20913 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20916 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20918 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20919 Add use of x-aix41-gld.
20921 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20923 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20924 (ASM_OUTPUT_DESTRUCTOR): Define.
20926 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20928 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20929 last CODE_LABEL in a loop if we have previously passed a jump
20930 to the top of the loop.
20932 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20934 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20935 applying Philip's patch.
20937 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20939 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20942 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20944 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20946 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20948 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20949 Also remove a useless comment.
20951 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20953 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20955 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20957 * collect2.c (main): Only generate import or export file and add
20958 to link arguments if non-empty. Use xmalloc not alloca.
20959 (write_{export,import}_file): Delete.
20960 (write_aix_file): New function.
20961 (locatelib): Use xmalloc not malloc.
20962 (GCC_OK_SYMBOL): Do not check type if aix64.
20964 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20966 Based on patch by Scott Bambrough and Pat Beirne:
20967 * config/arm/arm.c (making_const_table): New variable.
20968 * config/arm/arm.h (making_const_table): Declare.
20969 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20971 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20972 Keep track of when we are building the constant table.
20974 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20976 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20979 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20981 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20984 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20986 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20989 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20991 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20993 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20995 * rs6000.c (output_mi_thunk): Enable full support again.
20997 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20999 * sh.h (BRANCH_COST): Define.
21001 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
21003 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
21005 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
21007 * function.c (assign_stack_local): Align stack slot propertly.
21008 (assign_outer_stack_local): Likewise.
21010 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
21012 * expr.h (lang_expand_constant): Declare.
21013 * toplev.c (lang_expand_constant): Define it.
21014 * varasm.c (output_constant): Use it.
21016 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21018 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
21019 Change function definitions to K&R style.
21021 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21023 * fixinc/fixincl.c: We must not ignore SIGCLD now.
21025 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
21027 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
21028 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
21029 (several places): omit static initialization
21030 (process): use single fd, since only the read fd is used
21031 * fixinc/gnu-regex.c: define 'const' away, if not supported
21032 * fixinc/procopen.c(several places): omit static initialization
21033 * fixinc/server.c: define 'volitile' away, if not supported
21035 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
21037 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
21038 asm_fprintf and %L to generate the label name.
21039 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
21040 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
21042 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
21044 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
21045 insn for a conditional jump can not be found.
21047 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
21049 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
21050 on variables in specific sections other than .sbss and .sdata.
21052 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
21054 * stmt.c (expand_return): Call start_cleanup_deferral and
21055 end_cleanup_deferral around conditional code.
21057 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21059 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
21060 filename lists. Utilizes new "krstr" AutoGen function.
21061 * fixinc/fixincl.x: Rebuilt.
21063 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
21065 * i386.c (output_float_compare): Avoid GNU-C extensions.
21067 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
21069 * version.c: Bump to distinguish mainline tree from the
21072 See ChangeLog.1 for earlier changes.