1 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3 * configure.in: Set $IFS to a value if it doesn't already have one
4 in the --enable-checking handling.
5 * configure: Regenerate.
7 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
13 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
15 * jump.c (delete_noop_moves): Remove code attempting to
16 combine stack adjustments.
18 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
21 * except.c (emit_cleanup_handler): Use them.
22 (expand_end_all_catch): Likewise.
23 * function.c (fixup_var_refs): Likewise.
24 (expand_function_end): Clear catch_clauses_last.
25 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
26 * except.h (struct eh_status): New field x_catch_clauses_last.
27 (catch_clauses_last): New define.
29 * Makefile.in (tree.o): Depend on HASHTAB_H.
30 * tree.c: Include hashtab.h.
31 (struct type_hash): Remove next field.
32 (TYPE_HASH_SIZE): Remove.
33 (TYPE_HASH_INITIAL_SIZE): New define.
34 (type_hash_table): Change type to htab_t.
35 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
36 mark_hash_entry): New functions.
37 (init_obstacks): Allocate type hash.
38 (type_hash_lookup): Use htab functions.
39 (type_hash_add, mark_type_hash): Likewise.
40 (dump_tree_statistics): Call print_type_hash_statistics.
42 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * rs6000/t-aix41: New file.
46 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
48 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
50 * tm.texi (Driver): Fix typos and tweak entry for
52 Move misplaced STRUCT_FORCE_BLK entry ...
53 (Storage Layout): ... to here.
54 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
56 2000-03-19 Richard Henderson <rth@cygnus.com>
58 * flow.c (delete_block): Delete the addr_vec along with the block.
59 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
62 * fold-const.c (extract_muldiv): Apply type check for defined
63 overflow to multiply as well as divide.
65 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
67 2000-03-18 Mark Mitchell <mark@codesourcery.com>
69 * emit-rtl.c (remove_unncessary_notes): Check that all
70 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
71 associated NOTE_BLOCK.
72 * function.h (identify_blocks): Update comments.
73 (reorder_blocks): Declare.
74 * function.c (identify_blocks): Don't take paramters.
75 (reorder_blocks): Don't take parameters.
76 * loop.h (find_loop_tree_blocks): Remove.
77 (unroll_block_trees): Likewise.
78 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
79 reorder_blocks instead of unroll_block_trees.h
80 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
81 * stmt.c (find_loop_tree_blocks): Remove.
82 (unroll_block_trees): Likewise.
83 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
84 in whole-function mode.
85 * tree.h (reorder_blocks): Remove declaration.
87 * expr.c: Include intl.h.
88 * Makefile.in (expr.o): Depend on intl.h.
90 2000-03-18 Richard Henderson <rth@cygnus.com>
92 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
94 2000-03-18 Mark Mitchell <mark@codesourcery.com>
96 * tree.h (tree_index): Remove enumerals for integer types.
97 (integer_type_kind): New type.
98 (integer_types): New variable.
99 (char_type_node): Adjust.
100 (signed_char_type_node): Likewise.
101 (unsigned_char_type_node): Likewise.
102 (short_integer_type_node): Likewise.
103 (short_unsigned_type_node): Likewise.
104 (integer_type_node): Likewise.
105 (unsigned_type_node): Likewise.
106 (long_integer_type_node): Likewise.
107 (long_unsigned_type_node): Likewise.
108 (long_long_integer_type_node): Likewise.
109 (long_long_unsigned_type_node): Likewise.
110 * tree.c (integer_types): New variable.
111 (init_obstacks): Register it as a root.
113 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
115 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
116 NEXT_INSN. Update last insn in chain.
118 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
120 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
121 with TYPE_DECL_SUPPRESS_DEBUG set.
123 2000-03-18 Richard Henderson <rth@cygnus.com>
125 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
127 2000-03-18 Richard Henderson <rth@cygnus.com>
129 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
131 (expander_call_insn_operand): Remove.
132 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
133 * i386.h (PREDICATE_CODES): Update.
134 * i386.md (all call expanders): Remove predicates, remove special
135 handling for half-pic.
136 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
137 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
138 (sibcall_epilogue): New.
140 2000-03-17 Richard Henderson <rth@cygnus.com>
142 * rtlanal.c (single_set): Reject if the parallel has anything
143 except SET or USE or CLOBBER.
145 2000-03-17 Jeff Law <law@cygnus.com>
146 Richard Henderson <rth@cygnus.com>
148 * Makefile.in (OBJS): Add sibcall.o.
150 * sibcall.c: New file.
151 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
152 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
153 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
154 Emit sibcall patterns when requested. Update all callers.
155 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
156 elimination seems feasable.
157 * final.c (leaf_function_p): Sibling calls don't discount being
159 * flow.c (HAVE_sibcall_epilogue): Provide default.
160 (find_basic_blocks_1): Sibling calls don't throw.
161 (make_edges): Make edge from sibling call to EXIT.
162 (propagate_block): Don't remove sibcall_epilogue insns.
163 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
164 (sibcall_epilogue): New.
165 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
166 (identify_blocks_1): Likewise. Break out from ...
167 (identify_blocks): ... here.
168 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
169 (reorder_blocks): ... here.
170 (init_function_for_compilation): Zap prologue/epilogue as varrays.
171 (record_insns): Extend a varray instead of mallocing new memory.
172 (contains): Read a varray not array of ints.
173 (sibcall_epilogue_contains): New.
174 (thread_prologue_and_epilogue_insns): Emit and record
175 sibcall_epilogue patterns.
176 (init_function_once): Allocate prologue/epilogue varrays.
177 * genflags.c (gen_insn): Treat sibcall patterns as calls.
178 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
180 (save_for_inline_nocopy): ... here.
181 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
183 (expand_inline_function): ... here.
184 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
185 (subst_constants): Handle 'n' formats.
186 * jump.c (jump_optimize_minimal): New.
187 (jump_optimize_1): New arg `minimal'; update callers. Elide most
188 optimizations if it's set.
189 * rtl.c (copy_rtx): Do copy jump & call for insns.
190 * rtl.h (struct rtx_def): Document use of jump and call for insns.
191 (SIBLING_CALL_P): New.
192 (sibcall_use_t): New.
193 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
194 Invoke optimize_sibling_and_tail_recursive_calls.
195 * tree.c (lang_safe_for_unsave): New.
196 (safe_for_unsave): New.
197 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
199 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
200 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
201 (*sibcall_osf_1, *sibcall_value_osf_1): New.
203 2000-03-17 Mark Mitchell <mark@codesourcery.com>
205 * objc/objc-act.c (encode_method_prototype): Pass types, not
206 PARM_DECLs, to int_size_in_bytes.
208 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
210 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
212 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
213 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
215 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
217 * Clean up usages of TREE_INT_CST_LOW.
218 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
219 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
221 * c-tree.h (min_precision): Move declaration to here.
222 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
223 (build_unary_op, add_pending_init): Use bit_position.
224 (pending_init_member, process_init_element): Likewise.
225 (really_start_incremental_init, push_init_level, pop_init_level):
226 Don't make copies of nodes or modify them in place, use consistent
227 types when tracking positions, and use tree routines computations.
228 (set_init_index, output_init_element): Likewise.
229 (output_pending_init_elements, process_init_element): Likewise.
230 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
231 tree_low_cst and int_bit_position; also minor cleanup.
232 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
233 (print_cst_octal): Precision is unsigned.
234 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
235 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
236 (simple_type_align_in_bits): Result is unsigned int.
237 Use tree_int_low_cst and host_integerp.
238 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
239 (field_byte_offset): Result is HOST_WIDE_INT.
240 Change types of internal variables so alignments are unsigned int,
241 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
242 Use host_integerp, tree_low_cst, and int_bit_position.
243 (add_bit_offset_attribute): Likewise.
244 (add_data_member_location_attribute): Use tree_cst_low.
245 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
246 (add_bit_size_attribute): Use tree_low_cst.
247 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
248 * dwarfout.c: Similar changes to dwarf2out.c.
249 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
250 * genoutput.c (n_occurences): Return -1 for null string.
251 (strip_whitespace): Accept null string and make into function.
252 (scan_operands): Reflect above changes.
253 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
254 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
255 * ssa.c (rename_registers): Add missing cast of arg to bzero.
256 * tree.c (int_size_in_bytes): Check for too big to represent.
257 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
258 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
260 (min_precision): Delete from here.
261 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
262 and int_bit_position.
263 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
264 (encode_method_def): Likewise.
265 (build_ivar_list_initializer): Use int_bit_position.
266 (generate_shared_structures): Convert size.
267 (encode_type, encode_complete_bitfield): Use integer_zerop.
268 (encode_bitfield): Use tree_low_cst and int_bit_position.
270 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
272 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
274 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
276 * call.c (special_function_p): It is only malloc if it returns
279 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
281 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
282 (C33_FLAG, TARGET_C3X): Add macros.
283 (TARGET_SWITCHES): Add -m33 option.
284 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
286 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
288 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
289 (PARALLEL_PACK_FLAG): Delete.
290 (TARGET_SWITCHES): Update.
291 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
293 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
295 * fold-const.c (fold): Fix a few cases when the returned result
296 is not of the same type as the input.
298 2000-03-16 Nick Clifton <nickc@cygnus.com>
300 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
303 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
305 * libgcc2.h: Move prototypes above macros with the same name.
306 Wrap some function prototypes in the conditional which indicates
307 whether they are supported, i.e. "BITS_PER_UNIT == 8".
309 2000-03-16 Richard Henderson <rth@cygnus.com>
311 * calls.c: Revert last two changes.
313 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
315 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
316 has exponent 0 is a zero.
318 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
319 HASH may already be nonzero. Add code/mode into hash value
320 immediately after repeat label.
321 (cselib_lookup): Don't leave the hash table in an inconsistent
322 state before a hash lookup operation.
324 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
326 * i386.md (all HI and QI mode non-move patterns): Conditionize
327 by TARGET_[HQ]IMODE_MATH.
328 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
329 x86_promote_qi_regs): Declare.
330 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
331 TARGET_PROMOTE_QI_REGS): New macros.
332 (PROMOTE_MODE): New macro.
333 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
334 x86_promote_qi_regs): New global variables.
336 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
338 * calls.c (emit_library_call_value_1): Break out from ...; handle
339 VOIDmode function calls too.
340 (emit_library_call_value): ... here.
341 (emit_library_call): Implement by calling emit_library_call_value_1.
343 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
345 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
346 Update arg_space_so_far on stack adjustments.
347 (emit_library_call, emit_library_call_value): Likewise; take into
348 account arg_space_so_far and pending_stack_adjust when calculcating
351 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
353 * flow.c: Move all basic block reordering code into its own file.
354 (create_basic_block): Externalize.
355 * bb-reorder.c: New file. Copy all basic block reordering code from
357 (reorder_basic_blocks): Fix fencepost error in for-loop.
358 (reorder_basic_blocks): Remove braces from single statement for-loops.
359 * basic-block.h: Add declaration for create_basic_block.
360 * Makefile.in: Add rules for bb-reorder.o.
362 2000-03-16 Neil Booth <NeilB@earthling.net>
364 * cppinit.c (handle_option): Implement #unassert directive
365 as -A- command line option.
366 (print_help): Update.
369 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
371 * md.texi (Standard Names): Document `jump'.
373 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
375 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
378 2000-03-15 Geoff Keating <geoffk@cygnus.com>
380 See the ChangeLog on the branch for more details.
382 * configure.in: Merge in changes from newppc-branch.
383 * configure: Regenerate.
384 * config/rs6000/*: Merge in changes from newppc-branch.
385 Also correct copyright notices.
387 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
389 * acconfig.h (HAVE_GAS_WEAK): New define.
390 * configure.in (assembler weak support): Check for .weak support.
391 * config.in, configure: Rebuilt.
392 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
393 HAVE_GAS_WEAK is defined.
395 2000-03-15 Nick Clifton <nickc@cygnus.com>
397 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
400 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
402 * cppfiles.c (open_include_file): New function.
403 (find_include_file, cpp_read_file): Use it.
405 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
407 * cpphash.c (dump_hash_helper): Take the slot, not the element.
409 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
411 * flow.c (verify_flow_info): Check for unconditional return.
413 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
415 * config/ia64/ia64.md (restore_stack_nonlocal): New.
416 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
417 (__ia64_restore_stack_nonlocal): New.
418 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
420 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
422 * cpphash.c (collect_formal_parameters): Do not complain about
423 parameter names that just start with `__VA_ARGS__'.
425 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
427 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
428 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
429 * i386.c (pentiumpro_cost): Set mul cost to 4.
430 (x86_use_movx): Set for PPro.
432 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
434 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
435 STACK_BOUNDARY for empty frames now.
437 2000-03-14 Mark Mitchell <mark@codesourcery.com>
439 * stor-layout.c (layout_union): Remove.
440 (layout_union_field): New function, split out from layout_union.
441 (finish_union_layout): Likewise.
442 (layout_field): Handle unions by calling layout_union_field.
443 (finish_record_layout): Handle unions.
444 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
445 QUAL_UNION_TYPE handling.
447 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
449 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
450 end of basic block is jump_insn, not barrier; use create_basic_block
451 instead of creating basic block by hand.
453 2000-03-14 Jason Eckhardt <jle@cygnus.com>
455 * flow.c (reorder_basic_blocks): Account for barriers when writing
456 over NEXT_INSN (last_bb->end).
457 (verify_flow_info): Add check for missing barriers.
459 2000-03-14 Greg McGary <gkm@gnu.org>
461 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
462 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
463 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
464 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
465 __unbounded, __unbounded__): New keywords.
466 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
467 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
468 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
470 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
472 * cselib.h: New file.
473 * alias.c: Include "cselib.h".
474 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
475 MEMs as two new arguments.
476 (get_addr): New static function.
477 (find_base_term): Handle VALUEs.
478 (memrefs_conflict_p): Likewise.
479 (true_dependence): Call get_addr on the addresses.
480 Call fixed_scalar_and_varying_struct_p with addresses that have been
481 passed through get_addr and canon_rtx.
482 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
483 with true_dependence.
484 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
485 * loop.c: Include "cselib.h".
486 (load_mems): Process extended basic block that enters the loop with
487 cselib. Use that information to change initialization of the shadow
488 register so that a constant equivalence is seen by later passes.
489 * reload1.c: Include "cselib.h".
490 (reload_cse_invalidate_regno): Delete function.
491 (reload_cse_mem_conflict_p): Likewise.
492 (reload_cse_invalidate_mem): Likewise.
493 (reload_cse_invalidate_rtx): Likewise.
494 (reload_cse_regno_equal_p): Likewise.
495 (reload_cse_check_clobber): Likewise.
496 (reload_cse_record_set): Likewise.
497 (reg_values): Delete static variable.
498 (invalidate_regno_rtx): Likewise.
499 (reload_cse_delete_noop_set): New static function.
500 (reload_cse_simplify): New static function, broken out of
502 (reload_cse_noop_set_p): Delete unused argument INSN.
503 Just call rtx_equal_for_cselib_p on set source and destination.
504 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
505 reload_cse_delete_noop_set. Delete code to keep track of values; use
506 cselib functions instead. Delete code to push/pop obstacks.
507 (reload_cse_simplify_set): Use cselib to find equivalent values.
508 Delete code to push/pop obstacks.
509 (reload_cse_simplify_operands): Likewise.
510 * rtl.def (VALUE): New rtx code.
511 * rtl.h (union rtunion_def): New elt rt_cselib.
512 (X0CSELIB, CSELIB_VAL_PTR): New macros.
513 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
514 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
515 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
516 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
517 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
518 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
519 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
520 cselib_record_set, cselib_record_sets): New static functions.
521 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
522 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
523 references_value_p): New functions.
524 (MAX_USELESS_VALUES, REG_VALUES): New macros.
525 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
526 n_useless_values, reg_values, callmem, cselib_obstack,
527 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
528 New static variables.
529 * varray.h (union varray_data_tag): New elt te.
530 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
531 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
534 2000-03-14 Nick Clifton <nickc@cygnus.com>
536 * gcc.c (do_spec_1): Catch the case where %* is used in a
537 substitution pattern, but it has not been initialised.
538 Issue a meaningful error message if an unrecognised operator
539 is encountered in a spec string.
541 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
543 * function.c (prepare_function_start): Correctly initialize
544 cfun->stack_alignment_needed.
546 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
548 * cppfiles.c (find_include_file): Don't assume nshort is a
551 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
553 * configure.in (hppa configurations): Add pa32-regs.h to the
554 list of tm files as appropriate.
555 * configure: Rebuilt.
556 * pa.c (compute_frame_size): Remove explicit knowledge about FP
558 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
559 (fmpyaddoperands, fmpysuboperands): Likewise.
560 * pa.h: Remove various definitions which depend on knowing
561 how registers are numbered.
562 * pa32-regs.h: New file with PA32 register numbering specific
565 2000-03-14 Richard Henderson <rth@cygnus.com>
567 * regmove.c (combine_stack_adjustments): New.
568 (stack_memref_p, single_set_for_csa): New.
569 (free_csa_memlist, record_one_stack_memref): New.
570 (try_apply_stack_adjustment): New.
571 (combine_stack_adjustments_for_block): New.
572 * rtl.h (combine_stack_adjustments): Declare.
573 * toplev.c (rest_of_compilation): Call it.
575 * i386.md: Revert 2000-01-16 change.
577 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
579 * gccbug.in: Add web category, gcc specific classes.
581 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
583 * stor-layout.c (finalize_record_size): Fix typo.
585 2000-03-14 Stan Shebs <shebs@apple.com>
587 * c-typeck.c (c_alignof): Error on incomplete types.
588 * extend.texi (Alignment): Document this.
590 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
592 * cppfiles.c: Include mkdeps.h.
593 (find_include_file, read_include_file): Remove _cpp_ prefix
594 from name, make static.
595 (_cpp_execute_include): New function, broken out of
598 * cpplib.c: Don't include mkdeps.h.
599 (struct directive): Remove type field. Reorder entries. The
600 function takes only one argument.
601 (struct if_stack): Make type field an int.
602 (directive_table): Rename to dtable. Generate it, the
603 prototypes of the directive handlers, and the enum for the
604 directive numbers, from a template macro.
605 (do_ifndef, do_include_next, do_import): New functions.
606 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
607 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
608 do_ident, do_assert, do_unassert, do_sccs): Take only one
610 (do_sccs): Define always, but alter behavior based on
612 (_cpp_handle_directive, consider_directive_while_skipping):
613 Restructure for new directive table layout.
615 (pass_thru_directive): Take a directive number, not a pointer
616 to a struct directive.
617 (parse_include): New function, broken out of do_include.
618 (do_include, do_import, do_include_next): Use parse_include
619 and _cpp_execute_include.
620 (do_elif, do_else): Test for T_ELSE specifically when checking
621 for #elif/#else after #else.
622 (parse_ifdef): New function, broken out of do_ifdef.
623 (validate_else): Expect a name arg without a leading #.
624 (if_directive_name): Delete.
625 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
626 directive handlers with only one argument.
628 * cpphash.h: Update prototypes.
629 (enum node_type): Remove entries for directives.
630 * Makefile.in: Update dependencies.
632 * cpphash.c (dump_hash_helper): Only dump nodes of type
633 T_MACRO. Emit a newline after each definition.
635 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
637 * gccbug.in: New file.
638 * configure.in (all_outputs): Add gccbug.
639 * Makefile.in (install-common): Install gccbug.
640 (GCCBUG_INSTALL_NAME): New variable.
641 * configure: Rebuilt.
643 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
645 * function.c (put_var_into_stack): Use type_for_mode to calculate
646 part_type. Use MEM_SET_IN_STRUCT_P.
647 * expr.c (store_field): Handle CONCAT.
648 (store_constructor): Use fields_length.
649 * tree.c (fields_length): New fn.
650 * tree.h: Declare it.
652 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
654 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
655 (cpplex.o): New target.
656 * po/POTFILES.in: Add cpplex.c.
658 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
659 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
660 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
661 skip_block_comment, skip_line_comment, skip_comment,
662 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
663 _cpp_parse_name, skip_string, parse_string,
664 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
665 _cpp_get_directive_token, find_position,
666 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
667 (maybe_macroexpand, _cpp_lex_token): New functions.
669 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
670 parse_goto_mark): Delete.
671 (_cpp_handle_eof): New function.
672 (_cpp_handle_directive): Rename from handle_directive.
673 (_cpp_output_line_command): Rename from output_line_command.
674 (do_if, do_elif): Call _cpp_parse_expr directly.
675 * cppfiles.c (_cpp_read_include_file): Don't call
676 init_input_buffer here.
677 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
678 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
679 here; pop the token_buffer and skip the rest of the line here.
680 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
683 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
685 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
686 CPP_GOTO_MARK): New macros.
687 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
688 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
689 _cpp_read_and_prescan, _cpp_init_input_buffer,
690 _cpp_grow_token_buffer, _cpp_get_directive_token,
691 _cpp_handle_directive, _cpp_handle_eof,
692 _cpp_output_line_command): Prototype them here.
693 * cpplib.h (enum cpp_token): Add CPP_MACRO.
694 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
695 quote_string, output_line_command): Remove.
697 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
699 * stmt.c (expand_end_case): RANGE may be signed, and when checking
700 whether it is too large we must also verify that it isn't negative.
702 2000-03-13 Jakub Jelinek <jakub@redhat.com>
704 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
705 (movsi_zero_liveg0): Remove.
706 (movsf_insn_novis_liveg0): Remove.
708 (negsi2_not_liveg0): Rename to negsi2.
709 (one_cmplsi2): Remove.
710 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
711 (one_cmplsi2_liveg0): Remove.
712 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
713 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
714 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
715 (PREDICATE_CODES): Remove zero_operand.
716 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
717 TARGET_BROKEN_SAVERESTORE.
718 (zero_operand): Remove.
719 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
720 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
722 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
723 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
724 TARGET_BROKEN_SAVERESTORE): Remove.
725 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
727 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
729 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
732 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
734 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
736 * cpplib.c (do_pragma_implementation): Fix off-by-one error
737 truncating a string. Don't assume tokens are nul terminated.
738 Problem noted by Andreas Jaeger <aj@suse.de>
740 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
742 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
743 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
744 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
746 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
748 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
749 STRUCTURE_SIZE_BOUNDARY.
751 2000-03-13 Mark Mitchell <mark@codesourcery.com>
753 * tree.h (record_layout_info_s): New structure.
754 (record_layout_info): New type.
755 (new_record_layout_info): New function.
756 (layout_field): Likewise.
757 (finish_record_layout): Likewise.
758 * stor-layout.c (layout_record): Remove.
759 (new_record_layout_info): New function.
760 (layout_field): New function, broken out from layout_record.
761 (finalize_record_size): Likewise.
762 (compute_record_mode): Likewise.
763 (finalize_type_size): New function, broken out from layout_type.
764 (finish_record_layout): Likewise.
765 (layout_type): Use them.
767 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
769 * cpphash.c: Don't include version.h.
770 (special_symbol) [case T_VERSION]: Look for the string in
771 hp->value.cpval; don't use version_string.
772 * cppinit.c (initialize_builtins): Set hp->value.cpval for
773 __VERSION__ to version_string.
774 * Makefile.in (cpphash.o): Update deps.
776 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
778 Convert cpplib to use libiberty/hashtab.c.
780 * cpplib.h (struct cpp_reader): Make hashtab and
781 all_include_files of type 'struct htab *'. Delete HASHSIZE
782 and ALL_INCLUDE_HASHSIZE macros.
784 * cpphash.h: Update prototypes.
785 (struct hashnode): Remove next, prev, and bucket_hdr members.
786 Make length a size_t. Add hash member.
787 (struct ihash): Remove next member. Add hash member. Make
788 name a flexible array member.
790 * cppfiles.c: Include hashtab.h.
791 (include_hash): Delete.
792 (IHASHSIZE): New macro.
793 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
794 (cpp_included): Do the hash lookup here.
795 (_cpp_find_include_file): Rewrite.
796 (cpp_read_file): Put the "fake" hash entry into the hash
797 table. Honor the control_macro, if it turns out we've seen
798 the file before. Don't push the buffer here.
799 (_cpp_read_include_file): Push the buffer here.
800 (OMODES): New macro. Use it whenever we call open(2).
802 * cpphash.c: Include hashtab.h.
803 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
804 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
805 _cpp_lookup_slot): New functions.
806 (HASHSIZE): new macro.
807 (hashf, _cpp_install, _cpp_delete_macro): Delete.
808 (_cpp_lookup): Use hashtab.h routines.
810 * cppinit.c: Include hashtab.h.
811 (cpp_reader_init): Call _cpp_init_macro_hash and
812 _cpp_init_include_hash. Don't allocate hashtab directly.
813 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
814 pfile->all_include_files.
815 (initialize_builtins): Use _cpp_make_hashnode and
816 htab_find_slot to add hash entries.
817 (cpp_finish): Just call _cpp_dump_macro_hash.
818 * cpplib.c: Include hashtab.h.
819 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
821 (do_pragma_poison, do_assert): Likewise.
822 (do_include): Don't push the buffer here. Don't increment
823 system_include_depth unless _cpp_read_include_file succeeds.
824 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
826 (do_pragma_implementation): Use alloca to create copy.
828 * Makefile.in: Update dependencies.
830 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
832 * cppinit.c (cl_directive_handler): More K&R fixing.
834 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
836 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
838 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
840 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
842 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
843 Change from char[] to macros.
845 2000-03-12 Neil Booth <NeilB@earthling.net>
847 * cppinit.c (cpp_start_read): Update indirect function
850 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
852 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
855 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
856 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
858 2000-03-11 Neil Booth <NeilB@earthling.net>
860 * cppinit.c (struct pending option): Replace undef with a
861 pointer to a directive handling routine.
862 (struct cpp_pending): Replace separate assert_ and define_
863 lists with one directive_ list.
864 (new_pending_define): Rename new_pending_directive. Extra
865 argument is the directive's handling routine.
866 (handle_option): Update to use new_pending_directive.
868 2000-03-11 Neil Booth <NeilB@earthling.net>
870 * cppfiles.c (file_cleanup, _cpp_find_include_file,
871 remap_filename, _cpp_read_include_file, actual_directory,
872 hack_vms_include_specification): Replace bcopy(), index() etc
873 calls. Add casts to some allocations. Make some variables
874 pointers to const [unsigned] char.
875 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
876 collect_formal_parameters): Similarly.
877 * cppinit.c (struct pending_option, append_include_chain,
878 cpp_options_init, cpp_reader_init, initialize_standard_includes,
879 cpp_start_read, new_pending_define, handle_option): Similarly.
880 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
881 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
882 do_pragma_implementation, detect_if_not_defined,
883 do_ifdef, skip_if_group, cpp_get_token, parse_string,
884 do_assert, do_unassert): Similarly.
885 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
887 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
889 2000-03-10 Richard Henderson <rth@cygnus.com>
891 * builtins.c (expand_builtin_strlen): Revert last change.
892 Use emit_insn_before if we're at the beginning of a sequence.
894 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
896 * builtins.c (expand_builtin_strlen): Make sure that we have something
897 at the beginning of the sequence.
899 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
902 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
904 2000-03-10 Richard Henderson <rth@cygnus.com>
906 * except.c (can_throw): Use INTVAL on a CONST_INT.
907 (reachable_handlers): Likewise.
908 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
910 2000-03-10 Andreas Jaeger <aj@suse.de>
912 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
913 MD_STARTFILE_PREFIX since those are not needed on linux.
914 (ASM_FILE_START): New, from mips/gnu.h.
916 2000-03-09 Richard Henderson <rth@cygnus.com>
917 Alex Samuel <samuel@codesourcery.com> and others
919 * Makefile.in (ssa.o): New rule.
921 (STAGESTUFF): Add *.ssa and *.ussa.
922 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
923 * rtl.def (PHI): New RTL expression.
924 * rtl.h (clear_log_links): New declaration.
925 (convert_to_ssa): Likewise.
926 (convert_from_ssa): Likewise.
927 * flow.c (split_edge): If the entry node falls through to the
928 split edge's source block, split the entry edge.
929 (clear_log_links): New function.
930 * toplev.c (ssa_dump): New variable.
931 (flag_ssa): Likewise.
932 (f_options): Add "ssa".
933 (compile_file): Create SSA dump files.
934 (rest_of_compilation): Go to and from SSA if enabled.
935 (decide_d_option): Handle -de for SSA dump files.
938 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
940 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
943 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
945 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
947 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
949 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
950 (MD_STARTFILE_PREFIX_1): New macro.
952 2000-03-09 Robert Lipe <robertl@sco.com>
954 * config/ia64/ia64.c: Include system.h.
956 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
958 * except.c (nothrow_function_p): If -fno-exceptions, just return.
959 (init_eh_nesting_info): Likewise.
961 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
962 (TREE_NOTHROW): Rename from TREE_RAISES.
963 * toplev.c (rest_of_compilation): Set it.
964 * print-tree.c (print_node): Adjust.
965 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
966 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
967 * calls.c (emit_call_1): Add 'nothrow' parm. Add
968 REG_EH_REGION note as appropriate.
969 (libfunc_nothrow): New fn.
970 (emit_library_call, emit_library_call_value): Use it.
971 (expand_call): Check TREE_NOTHROW.
973 * varasm.c (make_decl_rtl): Skip initial '*' when setting
976 2000-03-09 Andreas Jaeger <aj@suse.de>
978 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
979 (TARGET_MEM_FUNCTIONS): Define.
981 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
983 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
985 * except.c (can_throw): See through a SEQUENCE.
986 (nothrow_function_p): New fn.
987 * except.h: Declare it.
988 * function.c (current_function_nothrow): New var.
989 (prepare_function_start): Initialize it.
990 * output.h: Declare it.
991 * toplev.c (rest_of_compilation): Set it.
992 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
994 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
996 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
997 match. (cpp_compare_defs): Count the nul separator when
998 advancing over argument names.
1000 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
1002 * recog.c (preprocess_constraints): Matching constraints affect
1003 same alternative/different operand, not same operand/different
1006 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
1007 register and a constant specially.
1009 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1011 * libgcc2.h: New file.
1012 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
1014 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
1016 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
1017 * configure: Regenerate.
1020 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1022 * Makefile.in (LIBCPP_DEPS): New macro.
1023 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
1025 * cpperror.c: Include cpphash.h.
1026 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
1028 (lex): Don't use CPP_WARN_UNDEF.
1029 (_cpp_parse_expr): Return an int, the truth value.
1030 * cppfiles.c: Include cpphash.h.
1031 (_cpp_merge_include_chains): Move to cppinit.c and make static.
1032 * cppinit.c (include_defaults_array): Disentangle.
1033 (cpp_cleanup): Don't free the if stack here.
1034 (cpp_finish): Pop off all buffers, not just one.
1035 * cpplib.c (eval_if_expr): Return int.
1036 (do_xifdef): Rename do_ifdef.
1037 (handle_directive): Don't use CPP_PREPROCESSED.
1038 (cpp_get_token): Don't use CPP_C89.
1039 * fix-header.c: Don't use CPP_OPTIONS.
1041 * cpplib.h: Move U_CHAR, enum node_type, struct
1042 file_name_list, struct ihash, is_idchar, is_idstart,
1043 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
1044 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
1045 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
1046 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
1047 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
1048 of _cpp_simplify_pathname, _cpp_find_include_file,
1049 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
1050 Move struct if_stack to cpplib.c. Move struct cpp_pending to
1052 Change all uses of U_CHAR to be unsigned char instead.
1053 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
1055 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1057 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
1058 (dwarf2out_begin_prologue): Set it.
1059 (output_call_frame_info): Don't emit EH unwind info for leaves.
1061 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
1062 can occur outside of an EH region.
1063 * except.c: Correct comments about rethrow behavior.
1064 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
1066 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
1068 * flow.c (make_edges): Always call make_eh_edge for calls.
1070 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1072 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
1073 (struct cpp_buffer): Remove fname and underflow fields.
1074 (struct cpp_reader): Remove get_token field.
1075 (struct include_hash): Rename to struct ihash. Add typedef to
1077 (struct if_stack): Remove fname field.
1078 (IF_STACK_FRAME): Rename to IF_STACK.
1080 * cpperror.c (print_containing_files): Trust that there are no
1081 macro buffers below the top file buffer.
1082 * cppfiles.c: Replace all references to 'struct include_hash'
1083 with 'IHASH'. Rename initialize_input_buffer to
1084 init_input_buffer. Don't set or reference cpp_buffer->fname,
1085 use buffer->ihash->name instead.
1086 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
1087 not CPP_NULL_BUFFER.
1088 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
1089 IF_STACK_FRAME, IHASH not struct include_hash.
1090 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
1091 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
1092 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
1093 references to cpp_buffer->fname (delete entirely, or use
1094 ->ihash->name instead) and IF_STACK->fname.
1095 (cpp_push_buffer): Don't set new->underflow.
1096 (do_include): Use cpp_file_buffer.
1098 * cpphash.c (collect_formal_parameters): Remove duplicate
1099 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
1100 used as a macro argument name. Don't append "..." to namebuf
1101 for varargs macros. After we're done scanning, go through
1102 namebuf and make it NUL separated, not comma separated.
1103 (_cpp_compare_defs): Remove register tag from variables.
1104 Expect defn->argnames to be NUL separated.
1105 (_cpp_dump_definition): Expect defn->argnames to be NUL
1106 separated and in forward order.
1107 * cpphash.h: Update documentation of argnames field.
1109 2000-03-08 Richard Henderson <rth@cygnus.com>
1111 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
1112 to fail. Don't pre-expand the source operand.
1114 * i386.md (strlensi): Initialize eoschar and align before use.
1116 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1118 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
1119 CONSTRUCTOR element.
1121 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1123 * mips.c (mips_expand_prologue): If the last
1124 named argument is the vararg marker "va_list", treat it as
1125 an unnamed argument.
1127 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
1129 * dbxout.c (dbxout_parms): When correcting for promoted
1130 big-endian parameters, use the mode of the DECL_RTL rather
1131 than UNITS_PER_WORD.
1133 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
1135 * c-common.h (make_fname_decl): Declare.
1136 * c-common.c (make_fname_decl): Define.
1137 (declare_hidden_char_array): Remove.
1138 (declare_function_name): Use make_fname_decl.
1139 * c-decl.c (c_make_fname_decl): New function.
1140 (init_decl_processing): Set make_fname_decl.
1142 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
1144 * cccp.c (handle_directive): Initialize backslash_newlines_p.
1146 2000-03-07 Philipp Thomas <pthomas@suse.de>
1148 * po/POTFILES.in: Remove cppalloc.c from file list.
1150 2000-03-07 Steve Chamberlain <sac@pobox.com>
1152 * pj.c (pj_expand_prologue): current_function->args_info is
1153 now current_function_args_info.
1155 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
1156 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
1157 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
1159 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1161 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
1162 output as hexadecimal rather than the default octal.
1164 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1166 * cpphash.c (special_symbol): Fix thinko in previous commit.
1168 2000-03-07 Neil Booth <NeilB@earthling.net>
1170 * cppexp.c (struct operation, left_shift, right_shift,
1171 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
1172 "int"s to "unsigned int"s.
1173 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
1175 * cpplib.h: Update for above.
1176 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
1177 returned from allocations.
1179 * cppinit.c (opt_comp, parse_options): New functions.
1180 (handle_option): Use parse_option to parse a single command
1181 line option, that possibly takes an argument.
1182 (cpp_handle_options): Sort the array of command line options on
1183 first invocation (non-ASCII hosts only).
1184 (print_help): Update.
1186 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1188 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
1189 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
1191 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
1193 * cppinit.c (cpp_cleanup): Free imp->nshort also.
1195 * cpperror.c (cpp_print_containing_files,
1196 cpp_print_file_and_line, v_cpp_message): Rename to
1197 print_containing_files, print_file_and_line, and v_message.
1198 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
1199 to _cpp_parse_expr, parse_escape, and lex.
1200 (parse_charconst): Remove broken multibyte support.
1201 * cppfiles.c (include_hash): Make static.
1202 (cpp_included): New function.
1203 (merge_include_chains, find_include_file, finclude,
1204 simplify_pathname): Rename to _cpp_merge_include_chains,
1205 _cpp_find_include_file, _cpp_read_include_file, and
1206 _cpp_simplify_pathname.
1207 * cpphash.c (cpp_lookup, free_definition, delete_macro,
1208 cpp_install, create_definition, macroexpand, compare_defs,
1209 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
1210 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
1211 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
1212 * cppinit.c (cpp_handle_option): Rename to handle_option, make
1214 * cpplib.c: Remove extern prototype of cpp_parse_expr.
1216 * cpphash.h: Update prototypes.
1217 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
1219 2000-03-07 Andrew Haley <aph@cygnus.com>
1221 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
1222 PTRDIFF_TYPE should be based solely on Pmode.
1225 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1227 * rtl.h (rtunion_def): Constify member `rtstr'.
1228 (emit_line_note_after, emit_line_note, emit_line_note_force,
1229 emit_note, decode_asm_operands): Constify.
1231 * cse.c (canon_hash): Likewise.
1233 * dbxout.c (dbxout_block): Likewise.
1235 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
1236 v_warning_for_asm): Likewise.
1238 * dwarfout.c (function_start_label): Likewise.
1240 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
1241 emit_line_note_force): Likewise.
1243 * final.c (last_filename, asm_insn_count, final_scan_insn,
1244 output_source_line): Likewise.
1246 * function.h (struct emit_status): Likewise.
1248 * gcse.c (hash_expr_1): Likewise.
1250 * genattr.c (gen_attr, main): Likewise.
1252 * genattrtab.c (struct function_unit, current_alternative_string,
1253 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
1254 attr_numeral, check_attr_test, check_attr_value,
1255 convert_set_attr_alternative, convert_set_attr,
1256 compute_alternative_mask, simplify_by_exploding, gen_attr,
1257 gen_unit): Likewise.
1259 * genflags.c (gen_insn): Likewise.
1261 * gengenrtl.c (type_from_format): Likewise.
1263 * genopinit.c (gen_insn): Likewise.
1265 * genoutput.c (n_occurrences, process_template, process_template):
1268 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1271 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1274 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
1275 ggc_set_mark, ggc_get_size): Likewise.
1277 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
1279 * optabs.c (init_one_libfunc): Likewise.
1281 * output.h (assemble_start_function): Likewise.
1283 * recog.c (decode_asm_operands): Likewise.
1285 * toplev.c (rest_of_compilation): Likewise.
1287 * tree.h (emit_line_note_after, emit_line_note,
1288 emit_line_note_force): Likewise.
1290 * varasm.c (asm_output_bss, asm_output_aligned_bss,
1291 asm_emit_uninitialised, assemble_start_function,
1292 assemble_variable, const_hash, compare_constant_1,
1293 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
1295 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
1297 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
1299 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
1301 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1303 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1304 arm_dllimport_name_p): Likewise.
1306 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1309 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1311 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1313 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1314 arm_mark_dllexport, arm_mark_dllimport,
1315 arm_pe_encode_section_info): Likewise.
1317 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1318 ASM_FINISH_DECLARE_OBJECT): Likewise.
1320 * arm/thumb.c (thumb_function_prologue): Likewise.
1322 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1324 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1326 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1328 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1330 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1332 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1334 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1335 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1337 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1339 * i386/i386.c (asm_output_function_prefix): Likewise.
1341 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1343 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1345 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1347 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1348 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1349 ASM_OUTPUT_SECTION_NAME): Likewise.
1351 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1353 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1355 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1357 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1359 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1361 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1363 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1365 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1367 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1369 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1371 * mips/mips.md (movdi, movsi): Likewise.
1373 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1375 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1377 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1379 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1380 ASM_OUTPUT_ASCII): Likewise.
1382 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1383 output_mi_thunk, output_toc): Likewise.
1385 * rs6000/rs6000.md (movsi): Likewise.
1387 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1389 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1391 * v850/v850.c (print_operand, print_operand_address,
1392 v850_encode_data_area): Likewise.
1394 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1396 * config/mips/mips.md (zero_extendsidi2): Always force operand
1397 one to memory for mips16.
1399 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1401 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1402 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1403 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1404 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1405 (min_precision): Result is unsigned.
1406 (add_double, neg_double, mul_double): Low word is unsigned.
1407 (lshift_double, rshift_double, lrotate_double): Likewise.
1408 (rrotate_double, div_and_round_double): Likewise.
1409 (tree_floor_log2, compare_tree_int): New functions.
1410 (preserve_rtl_expr_temps): New declaration.
1411 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1412 (decl_attributes): Use tree_log2 to find alignment.
1413 Check for TREE_INT_CST_HIGH for format args.
1414 (min_precision): Now unsigned.
1415 Use tree_floor_log2.
1416 (truthvalue_conversion): Delete long-disabled code.
1417 * c-decl.c (finish_struct): Clean up tests on field width.
1418 (finish_function): Use compare_tree_int.
1419 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1420 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1421 (default_conversion, digest_init): Use compare_tree_int.
1422 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1423 Fix type errors in forming masks.
1424 * calls.c (initialize_argument_information): Use compare_tree_int.
1425 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1426 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1427 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1428 (store_field): Use compare_tree_int.
1429 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1430 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1431 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1432 (do_store_flag): Use compare_tree_int.
1433 * fold-const.c (encode, decode): Low part is always unsigned.
1434 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1435 (lshift_double, rshift_double, lrotate_double): Likewise.
1436 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1437 (fold_convert): Use compare_tree_int.
1438 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1439 (invert_truthvalue, case INTEGER_CST): Likewise.
1440 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1441 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1442 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1443 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1445 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1446 (expand_end_case): Use compare_tree_int.
1447 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1448 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1449 (layout_decl): Likewise.
1450 (layout_record, layout_union): Make sizes unsigned.
1451 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1452 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1453 * tree.c (struct type_hash): hashcode is unsigned.
1454 (build_type_attribute_variant, type_hash_list): Likewise.
1455 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1456 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1457 (build_complex_type): Likewise.
1458 (real_value_from_int_cst): Remove unneeded casts.
1459 (integer_all_onesp): Add casts.
1460 (tree_floor_log2, compare_tree_int): New functions.
1461 (build_index_type): Use tree_int_cst_sgn.
1462 * varasm.c (assemble_variable): Use compare_tree_int.
1464 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1466 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1468 * varasm.c (make_decl_rtl): Don't add a number to members of
1470 (make_function_rtl): Likewise.
1472 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1474 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1475 patch from 2000-01-28.
1477 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1479 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1480 filled with an insn from the jump target.
1482 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1484 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1485 (c4x_external_ref): Likewise.
1486 * config/c4x/c4x.c (struct name_list): Likewise.
1488 1999-12-16 Ben Collins <bcollins@debian.org>
1490 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1491 argument to genmultilib.
1492 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1493 the contents into the multilib.h header.
1494 * gcc.c: Declare multilib_exclusions for the specs file.
1495 (set_multilib_dir): Use it.
1496 (print_multilib_info): Likewise.
1497 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1498 to pass to genmultilib.
1500 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1502 * builtins.c (built_in_class_names, built_in_names): Constify a
1505 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1507 (_mcleanup): Ensure value matches format specifier in sprintf.
1509 * cpphash.c (special_symbol): Don't needlessly cast away
1512 * cppinit.c (base_name): Delete unused prototype.
1514 * mkdeps.c (deps_init): Make definition K&R safe.
1516 * tree.h (built_in_class_names, built_in_names): Constify a
1519 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1521 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1522 floating point instructions for epilogue delay.
1524 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1525 to gas if it supports .register pseudo.
1527 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1528 LONG_DOUBLE_TYPE_SIZE if not defined.
1529 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1530 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1532 * gengenrtl.c: Likewise.
1533 * print-rtl.c: Likewise.
1535 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1536 MASK_LONG_DOUBLE_128.
1537 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1538 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1539 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1540 (SUBTARGET_SWITCHES): Define.
1541 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1542 with -mlong-double-128.
1543 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1544 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1545 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1546 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1547 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1548 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1549 with -mlong-double-128.
1550 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1551 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1552 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1553 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1554 TARGET_LONG_DOUBLE_128): Define.
1555 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1556 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1557 long double on TARGET_ARCH64.
1559 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1561 * function.c (free_temps_for_rtl_expr): Don't free slots
1562 that have been pushed into a higher level.
1565 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1567 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1569 * basic-block.h (ALLOCA_REG_SET): Remove.
1570 (INITIALIZE_REG_SET): New macro.
1571 * flow.c (update_life_info): Use it.
1572 (calculate_global_regs_live): Likewise.
1573 (propagate_block): Likewise.
1574 * global.c (build_insn_chain): Likewise.
1575 * haifa-sched.c (schedule_region): Likewise.
1577 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1579 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1580 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1581 (DWARF_ARANGES_PAD_SIZE): New define.
1582 (output_aranges): Use it to pad the address range header.
1583 (DWARF_ROUND): Fix for non power of 2 rounding.
1585 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1587 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1589 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1591 * tree.def (RTL_EXPR): Update documentation.
1592 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1593 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1594 * function.c (preserve_rtl_expr_temp): New function.
1595 (preserve_rtl_expr_temps): Likewise.
1596 (preserve_rtl_expr_result): Use it.
1599 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1601 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1603 * regmove.c (copy_src_to_dest) Do not create src->dest move
1604 for unchanging destination.
1606 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1608 * function.h (struct sequence_stack): Remove rtl_expr.
1609 (struct emit_staus): Likewise.
1610 (seq_rtl_expr): Remove.
1611 * tree.h (free_temps_for_rtl_expr): Don't declare.
1612 (start_sequence_for_rtl_expr): Likewise.
1613 * rtl.h (preserve_rtl_expr_result): Likewise.
1614 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1615 (start_sequence_for_rtl_expr): Remove.
1616 (push_topmost_sequence): Don't save sequence_rtl_expr.
1617 (pop_topmost_sequence): Remove comment about not restoring it.
1618 (end_sequence): Don't set seq_rtl_expr.
1619 (init_emit): Don't initialize it.
1620 (mark_sequence_stack): Don't mark it.
1621 (mark_emit_status): Likewise.
1622 * except.c (protect_with_terminate): Use
1623 start_sequence_for_rtl_expr, not start_sequence.
1624 * expr.c (expand_expr, case RTL_EXPR): Don't call
1625 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1626 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1627 (preserve_rtl_expr_result): Remove.
1628 (free_temps_for_rtl_expr): Likewise.
1629 (pop_temp_slots): Likewise.
1630 (mark_temp_slot): Don't mark the rtl_expr.
1631 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1632 start_sequence_for_rtl_expr.
1634 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1636 * mkdeps.c, mkdeps.h: New files.
1637 * po/POTFILES.in: Add them.
1638 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1639 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1640 (mkdeps.o): New target.
1642 * cppfiles.c: Delete deps_output.
1643 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1644 OBJECT_SUFFIX, and base_name.
1645 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1647 (initialize_dependency_output): Use deps_init,
1648 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1649 all the unnecessary string bashing.
1650 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1652 * cpplib.c (do_include): Use deps_add_dep.
1653 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1654 deps_allocated_size, deps_size, deps_column members with
1655 single pointer to a struct deps. Delete prototype of
1658 * cppinit.c: Fix thinko in previous patch.
1660 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1662 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1663 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1664 (mode_for_size_tree): New function.
1665 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1666 * tree.h (mode_for_size_tree): New declaration.
1668 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1670 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1672 * stmt.c (is_body_block): Move...
1673 * dwarfout.c, dwarf2out.c: ...from here.
1674 * tree.h: Declare it.
1675 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1676 * final.c (final_start_function): Do call remove_unnecessary_notes
1679 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1681 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1683 * cpplib.h (_dollar_ok): New macro.
1684 (is_idchar, is_idstart): Use it.
1685 (IStable): Rename to _cpp_IStable. Declare it const if
1686 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1687 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1688 is_space): Update for renamed IStable.
1690 * cppinit.c: Delete all references to FAKE_CONST and CAT
1691 macros. Define init_IStable as empty macro if gcc >=2.7 or
1692 C99. Change TABLE() to ISTABLE and hardcode name of table.
1693 (cpp_start_read): Don't change the IStable based on
1696 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1697 changed. Handle '$' for char1 correctly.
1698 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1700 * cppexp.c (tokentab2): Make const.
1701 (cpp_lex): Make toktab const.
1702 * cppinit.c (include_defaults_array): Make const.
1703 (initialize_standard_includes): Make default_include const.
1705 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1707 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1708 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1709 (gen_decl_die): Likewise.
1710 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1711 (output_decl): Likewise.
1713 * varasm.c (make_function_rtl): If we change the name used in the
1714 rtl, update DECL_ASSEMBLER_NAME accordingly.
1715 (make_decl_rtl): Likewise.
1717 * toplev.c (rest_of_compilation): Tweak formatting.
1719 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1720 remove_unnecessary_notes.
1721 (debug_ignore_block): New fn.
1722 * toplev.h: Declare it.
1723 * emit-rtl.c (remove_unncessary_notes): Call it.
1724 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1725 * dwarf2out.h: Declare it.
1726 * final.c (final_start_function): Don't call remove_unnecessary_notes
1727 if we did insn scheduling.
1729 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1731 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1732 * cpplib.h: Delete SET_CPP_PEDANTIC.
1734 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1736 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1737 result is a RECORD_TYPE.
1739 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1741 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1743 2000-03-03 Richard Henderson <rth@cygnus.com>
1745 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1746 addition over compliments over shifts.
1748 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1750 * reload1.c (reload_combine_note_use): Handle return register USEs.
1751 REG case: Handle multi-hard-register hard regs.
1753 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1755 * md.texi: Document use of '*' in insn pattern name.
1757 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1759 * calls.c (special_function_p): operator new may not be malloc-like.
1761 * gcse.c (dump_hash_table): Really fix error in last change.
1763 2000-03-02 Denis Chertykov <denisc@overta.ru>
1765 * avr.c (print_operand): Use print_operand_address instead of
1767 * avr/libgcc.S: Cleanup code.
1769 2000-03-02 Richard Henderson <rth@cygnus.com>
1771 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1773 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1775 * tree.h (TYPE_ALIGN_UNIT): New macro.
1777 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1779 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1781 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1783 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1785 (SET_CPP_PEDANTIC): New macro.
1786 * cpplib.c (do_include): Don't bother checking system_header_p.
1787 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1788 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1790 * function.h (struct expr_status): Add x_arg_space_so_far.
1791 (arg_space_so_far): New macro.
1792 * expr.c (init_expr): Initialize it.
1793 * calls.c (emit_call_1): Reset it.
1794 (compute_argument_block_size, expand_call): Use it.
1795 (expand_call, store_one_arg): Increment it.
1797 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1799 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1802 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1804 * cppfiles.c (cpp_read_file): New function.
1806 * cpphash.c (collect_expansion): Make sure to reset last_token
1807 to NORM when we hit a string. Handle trailing whitespace
1808 properly when the expansion is empty.
1809 (create_definition): Disable line commands while parsing the
1811 (dump_definition): If pfile->lineno == 0, output a line
1812 command ahead of the dump, and add a trailing newline.
1814 * cppinit.c (append_include_chain): Add fifth argument, which
1815 indicates whether or not system headers are C++ aware.
1816 (initialize_standard_includes): New function,
1817 broken out of read_and_prescan. Pass 'cxx_aware' value from
1818 the include_defaults_array on to append_include_chain.
1819 (dump_special_to_buffer): Const-ify char array.
1820 (builtin_array): Don't dump __BASE_FILE__.
1821 (cpp_start_read): Use cpp_read_file. Reorder code for
1822 clarity. Don't output line commands here for -D/-A/-U
1823 switches. Don't call deps_output for files included with
1824 -include or -imacros.
1826 * cpplib.c (do_define): Don't pay any attention to the second
1828 (cpp_expand_to_buffer): Disable line commands while scanning.
1829 (output_line_command): Work in the file buffer.
1830 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1831 Fix formatting of comments. Prototype cpp_read_file.
1833 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1835 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1836 reference the language-equivalent of sizetype.
1837 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1838 * fold-const.c (size_binop, size_diffop): Put back checks.
1839 * gcse.c (dump_hash_table): Fix minor error in last change.
1840 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1841 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1844 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1846 * calls.c (expand_call) Do not attempt to combine stack adjustments
1847 with inhibit_defer_pop set.
1849 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1851 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1852 the DECL_SIZE for a FIELD_DECL.
1854 2000-03-01 Bruce Korb <bkorb@gnu.org>
1856 * fixinc/inclhack.tpl: remove unused symlinks
1857 * fixinc/README: GCC Maintainer info
1858 * fixinc/inclhack.sh: regen
1859 * fixinc/fixincl.sh: regen
1861 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1863 * cpphash.c (collect_expansion): Trim trailing white space
1864 from macro definitions, but don't go past the last insertion
1867 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1869 * i386.md (mulqi3): New pattern.
1871 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1873 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1875 (struct cpp_reader): Add parsing_if_directive and
1876 parsing_define_directive flags.
1877 (struct cpp_options): Remove output_conditionals flag.
1878 (check_macro_name): Delete prototype.
1880 * cpphash.h (struct macrodef): Delete.
1881 (struct reflist): Separate from struct definition.
1882 (struct definition): Remove unused fields. Add column number.
1883 (create_definition): Returns a DEFINITION *. Takes a
1884 cpp_reader * and an int.
1886 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1887 (PEEKC): Copy defn from cpplib.c.
1888 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1890 (struct arglist): Simplify.
1891 (collect_expansion): Rewrite. Get tokens by calling
1892 cpp_get_token. Add more error checking.
1893 (collect_formal_parameters): New function, broken out of
1894 create_definition and reworked to use get_directive_token.
1895 (create_definition): All real work is now in collect_expansion
1896 and collect_formal_parameters. do_define handles finding the
1897 macro name. Return a DEFINITION, not a MACRODEF.
1898 (macroexpand): Replace bcopy with memcpy throughout. Replace
1899 character-at-a-time copy loop with memcpy and pointer increments.
1900 (compare-defs): d1->argnames / d2->argnames might be null.
1902 * cpplib.c (copy_rest_of_line): Delete function.
1903 (skip_rest_of_line): Do all the work ourselves.
1904 (skip_string): New function.
1905 (parse_string): Use skip_string.
1906 (get_macro_name): New function.
1907 (check_macro_name): Delete.
1908 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1909 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1910 (handle_directive): ICE if we're called on a macro buffer.
1911 (do_define): Determine macro name and type (funlike/objlike)
1912 here. Expunge all uses of MACRODEF.
1913 (cpp_push_buffer): Set line_base to NULL.
1914 (do_undef, read_line_number): Don't worry about getting a POP token.
1915 (eval_if_expression): Set/reset parsing_if_directive around
1916 cpp_parse_expr. Don't clear only_seen_white.
1917 (skip_if_group): Remove output_conditionals logic. Use
1919 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1920 tokens under appropriate conditions.
1921 (cpp_unassert): Call do_unassert not do_assert. Oops.
1923 * cppexp.c (parse_defined): New function, break out of
1925 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1926 ourselves, with cpp_defined.
1927 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1929 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1930 * gcc.dg/strpaste-2.c: New.
1932 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1934 * fold-const.c (size_binop): Don't asert inputs are the same and
1935 have TYPE_IS_SIZETYPE set.
1936 (size_diffop): Likewise.
1938 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1940 * dwarfout.c (output_block): Output abstract blocks even if they
1941 don't have TREE_ASM_WRITTEN set.
1943 * calls.c (emit_library_call): Check for null REG.
1945 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1947 * c-decl.c (current_function_decl): Move to toplev.c.
1948 (init_decl_processing): Don't add current_function_decl as a ggc
1950 * dbxout.c (dbxout_symbol): Change return type to int.
1951 (dbxout_symbol_location, dbxout_syms): Likewise.
1952 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1953 any locals. Use current_function_func_begin_label if set.
1954 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1955 * dwarf2out.c (dwarf2out_begin_prologue): Set
1956 current_function_func_begin_label.
1957 * final.c (final_start_function): Reset it.
1958 * toplev.c (current_function_decl): Define it here.
1959 (current_function_func_begin_label): New variable.
1960 (main): Add both as ggc roots.
1961 * tree.h (current_function_func_begin_label): Declare.
1963 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1965 * gcse.c: Cleanups throughout: mostly white-space, but also
1966 some minor rearrangement of code.
1968 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1970 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1971 returns a PARALLEL. Use emit_group_load and use_group_regs
1973 (emit_library_call_value): Similarly.
1975 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1976 * pa/quadlib.asm: Remove.
1977 * pa/quadlib.c: New file.
1979 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1980 * configure: Rebuilt.
1982 2000-02-29 Philip Blundell <pb@futuretv.com>
1984 * config/arm/conix-elf.h: New file.
1985 * configure.in (arm*-*-conix*): New configuration.
1986 * configure: Regenerate.
1988 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1990 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1991 don't have TREE_ASM_WRITTEN set.
1993 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1995 * Eliminate DECL_FIELD_SIZE.
1996 * builtins.c (built_in_class_names, built_in_names): New variables.
1997 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1998 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1999 DECL_SIZE, not DECL_FIELD_SIZE.
2000 * print-tree.c (print_node): Remove code that prints extra blank
2001 lines in some cases.
2002 Properly handle inline and builtin function cases.
2003 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
2004 * tree.h (built_in_class_named, built_in_names): New declarations.
2005 (union tree_decl): Rename internal unions to u1 and u2 and change
2006 some of their components.
2007 Add new field built_in_class.
2008 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
2009 Reflect above changes.
2010 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
2011 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
2012 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
2013 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
2015 2000-02-28 Dmitri Makarov <dim@windriver.com>
2017 * extend.texi: Document ARM's support for long/short calls.
2019 * invoke.texi: Document ARM's -mlong-calls command line switch.
2021 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
2022 (arm_encode_call_attribute): Add prototype.
2023 (arm_set_default_type_attribute): Add prototype.
2024 (arm_strip_name_encoding): Add prototype.
2026 * config/arm/arm.c (arm_init_cumulative_args): replace
2027 initialisation og 'long_calls' field with initialisation of
2028 'call_cookie' field.
2029 (enum arm_pragma_enum): New enum.
2030 (arm_pragma_long_calls): New static variable.
2031 (arm_process_pragma): Also process "#pragma long_calls_off".
2032 (arm_valid_type_attribute_p): Accept short_call attribute.
2033 (arm_comp_type_attributes): Check long/short call attributes.
2034 (arm_encode_call_attribute): New function: Encode long_call
2035 or short_call attribute in function name.
2036 (arm_set_default_type_attributes): New function: Assign
2037 default attributes to newly defined type.
2038 (current_file_function_operand): New function: Return true if
2039 the symbol is a function which has already been compiled.
2040 (arm_is_longcall_p): New function: Return true if the
2041 indicated function should be called via a long call.
2042 (arm_get_strip_length): New function. Returns number of
2043 prefix characters to be stripped from a function's name.
2044 (arm_strip_name_encoding): New function. Strip prefix characters
2045 from a function's name.
2047 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
2049 (SHORT_CALL_FAG_CHAR): Define.
2050 (LONG_CALL_FAG_CHAR): Define.
2051 (ENCODED_SHORT_CALL_ATTR_P): Define.
2052 (ENCODED_LONG_CALL_ATTR_P): Define.
2053 (ARM_NAME_ENCODING_LENGTHS): Define.
2054 (STRIP_NAME_ENCODING): Define.
2055 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
2056 (ARM_ENCODE_CALL_TYPE): Define.
2057 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
2058 (ARM_DECLARE_FUNCTION_SIZE): Define.
2059 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
2061 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
2062 if a long call is needed.
2063 (call_value): Ditto.
2064 (call_symbol): Ditto.
2066 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
2067 ARM_DECLARE_FUNCTION_SIZE.
2069 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
2070 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
2071 (ARM_STRIP_NAME_ENCODING): Undefine.
2072 (STRIP_NAME_ENCODING): Undefine.
2073 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
2074 (ASM_DECLARE_FUNCTION_NAME): Ditto.
2075 (ASM_OUTPUT_COMMON): Ditto.
2076 (ASM_DECLARE_OBJECT_NAME): Ditto.
2078 * config/arm/pe.c (arm_dllexport_name_p): Check for
2080 (arm_dllimport_name_p): Ditto.
2081 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
2082 (arm_mark_dllimport): Ditto.
2084 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2086 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
2088 2000-02-28 Mark Mitchell <mark@codesourcery.com>
2090 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
2092 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
2094 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
2095 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
2096 NO_BUILTIN_WCHAR_TYPE is not defined.
2097 (CPP_WCHAR_TYPE): Delete.
2098 * cccp.c (main): Don't change wchar_type if cplusplus.
2099 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
2101 2000-02-28 Nick Clifton <nickc@cygnus.com>
2103 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
2105 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
2107 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
2108 (ASM_WEAKEN_LABEL): Define.
2110 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
2112 * expr.c (store_constructor): Do not emit USE.
2113 * rtl.h (stupid_life_analysis): Remove.
2115 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2117 * function.c (number_blocks): Reset next_block_index based on
2118 what debugging format is used, not what is defined.
2120 * lcm.c: Minor reformatting throughout.
2121 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
2123 * toplev.c (rest_of_compilation): Account for time in
2124 optimize_mode_switching.
2126 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
2127 if only marking labels.
2129 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
2131 * calls.c (expand_call): Attempt to combine stack adjustments with
2132 pending stack adjustments.
2134 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2136 * loop.c (reg_in_basic_block_p): Don't abort when falling through
2137 to the end of the function.
2139 2000-02-27 Mark Mitchell <mark@codesourcery.com>
2141 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
2143 * final.c (next_block_index): Remove.
2144 (max_block_depth): Likewise.
2145 (pending_blocks): Likewise.
2146 (init_final): Don't initialize them.
2147 (final_start_function): Don't set next_block_index. Set up
2149 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
2150 * function.h (number_blocks): New function.
2151 * function.c (get_block_vector): New function.
2152 (identify_blocks): Use it.
2153 (reorder_blocks): Set NOTE_BLOCK.
2154 (number_blocks): New function.
2155 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
2156 * tree.h (BLOCK_NUMBER): New macro.
2157 (tree_block): Add block_num field.
2158 * dbxout.c (next_block_number): Remove.
2159 (dbxout_init): Don't set it.
2160 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
2161 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
2163 * toplev.c (rest_of_compilation): Always call
2164 find_loop_tree_blocks. Fix indentation.
2165 * dwarf2out.c (next_block_number): Remove.
2166 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2167 to determine block numbers.
2168 (gen_inlined_subroutine_die): Likewise.
2169 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
2170 (decls_for_scope): Don't increment next_block_number.
2171 * dwarfout.c (next_block_number): Remove.
2172 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2173 to determine block numbers.
2174 (output_inlined_subroutine_die): Likewise.
2175 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
2176 (output_decls_for_scope): Don't increment next_block_number.
2177 * sdbout.c (next_block_number): Remove.
2178 (sdbout_block): Use BLOCK_NUMBER.
2179 (sdbout_begin_block): Simplify.
2180 * xcoffout.c (next_block_number): Remove.
2181 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
2182 (xcoffout_begin_block): Don't set next_block_number.
2183 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
2186 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2188 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
2189 (expand_builtin_strcpy): Pass correct type to size_binop.
2190 (expand_builtin_strcmp): Likewise.
2191 Clean up conditional structure.
2192 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
2193 (complete_array_type): Don't use size_binop for MAXINDEX.
2194 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
2195 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
2196 (c_alignof): Use size_one_node.
2197 (build_unary_op): Pass arg of proper type to size_binop.
2198 (really_start_incremental_init, push_init_level): Use sizetype for
2199 constructor{,_bit,_unfilled}_index.
2200 (pop_init_label, output_init_element): Likewise.
2201 (output_pending_init_elements, process_init_element): Likewise.
2202 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
2203 * expr.c (store_expr): Use size_int.
2204 (store_constructor): Use proper types for size_binop args.
2205 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
2206 (expand_expr_unaligned): Likewise.
2207 (string_contant): Return object of sizetype.
2208 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
2209 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
2210 (ARGS_SIZE_TREE): Pass proper types to size_binop.
2211 * fold-const.c (int_const_binop): Refine when size_int is called.
2212 (fold_convert): Likewise.
2213 (size_int_wide): Rework to take KIND as arg, only take low order
2214 bits, handle new sizetype_tab datatype, and chain entries in
2216 (size_int_type_wide): New function.
2217 (size_binop): Validate types of arguments.
2218 (ssize_binop): Deleted.
2219 (size_diffop): New function.
2220 (extract_muldiv): Only fold division into multiplication for sizetypes.
2221 * function.c (assign_parms): Use size_diffop and make sure
2222 VAR field is of ssizetype; also pass proper type to size_binop.
2223 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
2224 (round_down): Deleted from here.
2225 * store-layout.c (sizetype_tab): Now an array.
2226 (sizetype_set, early_root_list): New variables.
2227 (variable_size): Use size_one_node.
2228 (round_up): Pass proper type to size_binop.
2229 (round_down): Moved to here and corrected as above.
2230 (layout_record): Pass proper arg types to size_binop.
2231 (layout_type): Likewise.
2232 If sizetype_set is zero, record the type just laid out.
2233 (make_unsigned_type): Don't call set_sizetype;
2234 (make_signed_type): Likewise; also, call fixup_signed_type.
2235 (initialize_sizetypes): New function.
2236 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
2237 set name of bitsizetype to "bit_size_type".
2238 Fix up type of sizes of all types made before call.
2239 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
2240 * tree.c (fix_sizetype): Deleted.
2241 (build_common_tree_nodes): Call initialize_sizetypes.
2242 (build_common_tree_nodes_2): Don't call fix_sizetype.
2243 * tree.h (TYPE_IS_SIZETYPE): New macro.
2244 (initialize_sizetype): New declaration.
2245 (enum size_type_kind): New type.
2246 (struct sizetype_tab): Deleted.
2247 (sizetype_tab): Now array; adjust sizetype macros.
2248 (size_diffop, size_int_type_wide): New functions.
2249 (size_int_wide): Change number of args and type; access macros changed.
2250 (ssize_int, sbitsize_int): New macros.
2251 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
2252 (ROUND_TYPE_SIZE_UNIT): New macro.
2254 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
2256 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
2258 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2260 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
2261 Mark as possibly unused.
2263 * cse.c (cse_insn): Delete dead code involving tablejump.
2264 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
2266 * Makefile.in (libcpp.a): Start by deleting it.
2268 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2270 * cpplib.h (enum file_change_code): Added rename_file.
2271 * cpplib.c (do_line): If a filename is given, set file_change to
2273 (output_line_command): If file_change is rename_file, always
2274 output a # directive with the file name.
2276 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
2278 2000-02-26 Mark Mitchell <mark@codesourcery.com>
2280 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
2281 when copying a PARM_DECL or RESULT_DECL.
2283 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2285 * fix-header.c (recognized_function): Also fix prototypes for
2286 functions taking "void".
2288 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2290 * reload1.c (do_output_reload): Check reg_reloaded_valid before
2291 looking at reg_reloaded_contents.
2293 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
2295 * Makefile.in (STMP_FIXINC): New toggle.
2296 (LIBGCC2_DEPS): Delete all references.
2297 (stmp-headers): Delete target. All references either deleted
2298 or changed to stmp-int-headers.
2299 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
2300 (LIBCPP_OBJS): Take out cppalloc.o.
2301 (cppalloc.o): Delete target.
2302 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2303 (gen-protos, fix-header): Link with libiberty.a.
2304 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2307 * configure.in: Remove refs to strerror.
2308 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2309 * system.h: Take out strerror stanza.
2311 * cpperror.c (my_strerror): Delete function.
2312 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2313 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2314 * cppalloc.c: Delete file.
2315 * gen-protos.c: Don't provide xrealloc.
2317 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2318 xstrerror throughout.
2320 2000-02-26 Bruce Korb <bkorb@gnu.org>
2322 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2323 match for DOS headers, too.
2324 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2326 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2328 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2329 is right for most ELF targets.
2330 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2331 Let the default file use %U properly.
2332 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2335 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2338 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2340 * toplev.c (documented_lang_options): Correct spelling error.
2341 (decode_d_option, decode_f_option, main): Likewise.
2343 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2345 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2346 to tell assembler it is permitted to expand large constants.
2348 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2350 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2351 (aux_info_suffix): Use.
2352 (SAVE_SUFFIX): New macro.
2354 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2355 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2356 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2358 * invoke.texi (Running Protoize): Update documentation.
2360 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2362 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2364 2000-02-25 John Wehle (john@feith.com)
2366 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2368 2000-02-25 Anthony Green <green@cygnus.com>
2370 * toplev.c (rest_of_compilation): Rebuild jump labels if
2371 combine_instructions has created a new direct jump.
2372 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2374 (combine_instructions): Call try_combine with new argument.
2375 Return non-null value when new direct jump instruction is created.
2376 * rtl.h: combine_instructions returns an int.
2378 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2380 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2381 jump when changing a computed jump into a jump to a known
2384 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2386 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2387 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2389 * i386.md (define_expand "clrstrsi"): Fix typo.
2391 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2393 * rtl.texi: Fix typo.
2395 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2397 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2398 UNITS_PER_WORD. Change caller initial_elimination_offset.
2399 (rounded_frame_size): Take into account that argument pushed has
2400 changed. Fix TARGET_ALIGN_DOUBLE problem.
2402 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2404 * haifa-sched.c (schedule_block): Explain the real reason
2405 we delete REG_SAVE_NOTEs on the first insn of a block.
2406 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2408 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2410 * input.h (push_srcloc): New function.
2411 (pop_srcloc): Likewise.
2412 * toplev.c (push_srcloc): Define it.
2413 (pop_srcloc): Likewise.
2415 2000-02-24 Richard Henderson <rth@cygnus.com>
2417 * flow.c (life_analysis): When collecting reg info, clear
2420 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2422 Fix bug exposed by reload.c no longer rounding the frame
2423 size to BIGGEST_ALIGNMENT:
2424 * sh.c (rounded_frame_size): New function.
2425 (sh_expand_prologue, sh_expand_epilogue): Use it.
2426 (initial_elimination_offset): Likewise.
2428 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2430 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2431 * sh-protos.h (sh_need_epilogue): Declare.
2432 * sh.c (sh_need_epilogue_known): New static variable.
2433 (sh_need_epilogue): New function.
2434 (function_epilogue): Clear need_epilogue_known.
2435 * sh.md (return): Split into expander / insn pattern.
2436 Make the expander conditional on ! sh_need_epilogue ().
2438 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2440 * machmode.h (get_mode_alignment): Declare.
2441 (GET_MODE_ALIGNMENT): Call it.
2442 * stor-layout.c (get_mode_alignment): New function. Make
2443 sure alignment is always power of 2.
2445 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2447 * i386.h: Remove useless definition of "I386" and misleading
2450 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2452 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2453 under which TREE_PERMANENT will be set.
2454 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2455 build1): Use TREE_SET_PERMANENT.
2456 * print-tree.c (print_node): Don't report value of
2457 TREE_PERMANENT if ggc_p is true.
2459 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2460 decide whether to give a type a new alias set.
2461 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2462 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2463 of value of 'obstack'.
2466 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2468 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2470 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2472 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2473 * cpplib.c (cpp_get_token): Produce them.
2474 * cppexp.c (cpp_lex): Handle them.
2476 2000-02-23 Nick Clifton <nickc@cygnus.com>
2478 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2479 comment tests on type attributes.
2481 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2483 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2484 conform to documentation.
2485 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2486 to check for special cases.
2487 * sh-protos.h (sh_loop_align): Declare.
2488 * sh.c (sh_loop_align): Define.
2490 2000-02-22 Andrew Haley <aph@cygnus.com>
2492 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2493 (SIZE_TYPE): Is 32 bits when using -mgp32.
2494 (PTRDIFF_TYPE): Ditto.
2496 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2498 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2500 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2502 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2503 BIGGEST_FIELD_ALIGNMENT a constant.
2505 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2507 * dwarf2out.c (output_line_info): Put the marker for the end of
2508 the line number info at the actual end.
2509 (gen_struct_or_union_type_die): Use decl_function_context
2510 to check for local classes.
2511 * dwarfout.c (output_type): Likewise.
2513 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2515 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2516 for arguments with a mode, but no type.
2517 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2518 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2519 * pa/long_double.h: New file.
2520 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2521 both have 128bit wide long doubles.
2522 * configure: Rebuilt.
2524 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2526 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2528 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2529 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2530 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2532 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2534 * integrate.c (compare_blocks, find_block): Likewise.
2536 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2538 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2540 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2541 expand_asm_operands): Likewise.
2543 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2545 * predict.c (estimate_probability): Added the pointer heuristic to
2546 the collection of static branch predictors.
2548 2000-02-21 Catherine Moore <clm@cygnus.com>
2550 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2551 * invoke.texi (-mfix7000): Document.
2553 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2555 * diagnostic.c (init_output_buffer): Make it possible to output at
2556 least 32 characters if we're given a too long prefix.
2558 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2560 * varasm.c (initializer_constant_valid_p): Call
2561 lang_expand_constant to simplify the constant.
2563 2000-02-20 Bruce Korb <bkorb@gnu.org>
2565 * fixinc/inclhack.def(stdio_va_list):
2566 typedef needs to be disabled.
2567 * fixinc/inclhack.sh: regen
2568 * fixinc/fixincl.x: regen
2570 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2572 * print-rtl.c (print_rtx): Don't print addresses when
2573 flag_dump_unnumbered.
2575 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2577 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2579 (sparc_va_arg, sparc_flat_output_function_prologue,
2580 sparc_flat_output_function_epilogue): Cast value to unsigned in
2582 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2584 * sparc.md: Add default case in switch.
2586 2000-02-19 Richard Henderson <rth@cygnus.com>
2588 * c-typeck.c (add_pending_init): Don't abort for multiple
2589 fields at the same offset.
2590 (pending_init_member): Test the correct member.
2592 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2594 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2596 (start_catch_handler) : Same.
2598 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2600 * Makefile.in: Have flow.o depend on $(EXPR_H)
2602 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2604 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2605 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2606 (finish_decl): Remove -Wlarger-than code from here.
2607 * flags.h (id_clash_len): Now int.
2608 (larger_than_size): Now HOST_WIDE_INT.
2609 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2610 Clean up checking to see if in table.
2611 (make_bit_field_ref): Remove extra parm to bitsize_int.
2612 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2613 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2614 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2615 and for computing size of decl.
2616 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2617 Move -Wlarger-than code to here.
2618 (layout_record): Remove extra arg to bitsize_int.
2619 Set TYPE_BINFO_SIZE_UNIT.
2620 (layout_union): Remove extra arg to bitsize_int.
2621 Use proper type for size of QUAL_UNION.
2622 (layout_type): Remove extra arg to bitsize_int.
2623 * toplev.c (id_clash_len): Now int.
2624 (larger_than_size): Now HOST_WIDE_INT.
2625 (decode_W_option): Clean up id-clash and larger-than- cases.
2626 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2627 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2628 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2629 (struct tree_decl): New field size_unit.
2630 (size_int_wide): No HIGH operand; NUMBER is now signed.
2631 (size_int_2): Deleted.
2632 (size_int, bitsize_int): Don't use it and rework args.
2633 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2635 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2637 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2639 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2641 * invoke.texi (Warning Options): Add an explanation of why
2642 you might want the -Wfloat-equal flag.
2644 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2646 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2647 * cppinit.c (new_pending_define): Add cast to avoid warning.
2648 * expmed.c (extract_bit_field): Likewise.
2649 * flow.c (enum reorder_skip_type): New type.
2650 (skip_insns_between_blcok): New it.
2651 Rework to avoid warning about possibly undefined variable.
2652 * function.c (assign_parms): Make thisparm_boundary unsigned.
2653 * genrecog.c (write_switch): Cast XWINT result to int.
2654 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2655 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2656 one for MIPS and one for Alpha.
2657 (get_tag, copy_object): Add casts to avoid warnings.
2658 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2659 * reload.c (find_reloads): Make TYPE enum reload_type.
2660 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2661 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2662 * varasm.c (compare_constant_1): Add cast to avoid warning.
2663 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2665 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2666 Cast switch operand of size to int.
2667 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2668 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2671 2000-02-18 Nick Clifton <nickc@cygnus.com>
2673 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2674 anything for an alignment of zero.
2676 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2677 anything for an alignment of zero.
2679 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2681 * gcc.texi (Bug Reporting): Refer to bugs.html.
2682 (Bug Lists): Likewise.
2683 * system.h (GCCBUGURL): New preprocessor define.
2684 * rtl.c (fancy_abort): Use it.
2685 * gcc.c (main): Likewise.
2687 2000-02-18 Richard Henderson <rth@cygnus.com>
2689 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2690 (life_analysis_1): Subsume into ...
2691 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2692 Use update_life_info for the relaxation.
2693 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2694 entry and regs_live_at_setjmp.
2695 (set_noop_p): Simplify.
2696 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2697 (record_volatile_insns): Split into ...
2698 (delete_noop_moves): ... here,
2699 (notice_stack_pointer_modification): ... here,
2700 (insn_dead_p): ... and here.
2701 (propagate_block): Don't query INSN_VOLATILE.
2702 (mark_used_regs): Mind !PROP_REG_INFO.
2703 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2704 not in life_analysis.
2706 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2708 * loop.c (canonicalize_condition): New function,
2709 broken out of get_condition.
2710 (get_condition): Use it.
2711 * expr.h (canonicalize_condition): Prototype it.
2713 * tree.h (tree_int_cst_msb): Declare.
2714 * tree.c (tree_int_cst_msb): New function.
2716 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2718 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2721 * invoke.texi (-fmessage-length=n): Document.
2723 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2725 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2727 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2729 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2732 2000-02-17 Nick Clifton <nickc@cygnus.com>
2734 * config/arm/thumb.c: Replace includes of system headers with
2735 #include "system.h".
2737 2000-02-16 Richard Henderson <rth@cygnus.com>
2739 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2740 Add crtbeginS.o and crtendS.o.
2741 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2742 (ENDFILE_SPEC): Use crtendS.o.
2743 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2745 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2746 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2748 (__dso_handle): New variable.
2749 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2750 bias to __CTOR_END__.
2752 2000-02-16 Richard Henderson <rth@cygnus.com>
2754 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2756 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2758 * longlong.h (__clz_tab): Declare as static to match definition.
2760 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2761 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2762 (XREF_FILE_NAME): Define.
2764 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2765 (EH_FRAME_SECTION_ASM_OP): Define.
2766 (IDENT_ASM_OP): Define.
2767 (TEXT_SECTION_ASM_OP): Define.
2769 (CTORS_SECTION_ASM_OP): Define.
2770 (CTOR_SECTION_FUNCTION): Use it.
2771 (DTORS_SECTION_ASM_OP): Define.
2772 (DTOR_SECTION_FUNCTION): Use it.
2774 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2776 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2779 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2780 debug_bb_n): New functions.
2781 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2782 * basic-block.h: Prototype new functions.
2784 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2786 * configure.in: Add support for avr target.
2787 * configure: Rebuilt.
2789 * invoke.texi: Add AVR invocation docs.
2790 * install.texi: Add information about AVR.
2791 * md.texi: Add AVR constraint letters description.
2792 * extend.texi: Add description for AVR specific attributes.
2794 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2796 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2798 2000-02-16 Nick Clifton <nickc@cygnus.com>
2800 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2801 (make_insn_raw): Move RTL check here.
2803 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2805 * version.c: Include gansidecl.h and version.h.
2807 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2809 * configure.in (gcc_version): When setting, narrow search to
2810 lines containing `version_string'.
2812 * Makefile.in (mainversion): Likewise.
2813 (GCC_H): New variable.
2814 (gcc.h): Delete target.
2815 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2816 (version.o): Depend on version.h.
2817 (dbxout.o): Don't depend on gcc.h.
2819 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2820 Michael Meissner <meissner@cygnus.com>
2822 * md.texi (Simple Constraints): Add item about whitespace.
2823 * genoutput.c (strip_whitespace): New.
2824 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2825 strip_whitespace for constraints.
2826 Test pointer using NULL, not 0.
2828 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2830 * cpplib.c (do_line): Pedwarn for #line > 32767.
2832 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2834 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2836 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2837 to default cpp spec.
2838 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2839 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2842 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2845 2000-02-15 Denis Chertykov <denisc@overta.ru>
2847 * configure.in: Add support for avr target.
2849 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2851 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2852 (sh_addr_diff_vec_mode): Don't declare.
2853 * sh.c (sh_addr_diff_vec_mode): Delete.
2855 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2857 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2859 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2861 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2862 (smulsi3_highpart_i): Name.
2863 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2864 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2865 (smulsi3_highpart, umulsi3_highpart): Likewise.
2867 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2868 correctly independent of endianness.
2869 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2870 confuse the optimizers.
2871 (mulsidi3+1, umulsidi3+1): New define_split.
2873 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2875 * config/sh/sh.md: Guard insn splits against illegal registers.
2876 * config/sh/sh.h: Correct comment about macros.
2878 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2879 Andrew MacLeod <amacleod@cygnus.com>
2881 * Makefile.in (lcm.o): Depend on insn-attr.h.
2882 * basic-block.h (optimize_mode_switching): Declare.
2883 * lcm.c (tm_p.h, insn-attr.h): #include.
2884 (seginfo, bb_info): New structs.
2885 (antic, transp, comp, delete, insert) : New file-scope static variables.
2886 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2887 (reg_becomes_live, optimize_mode_switching): Likewise.
2888 * tm.texi: Add description of mode switching macros.
2889 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2891 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2892 (fldi_ok, fpscr_set_from_mem): New prototypes.
2893 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2894 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2895 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2896 (sh_flag_remove_dead_before_cse): Remove declaration.
2897 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2898 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2899 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2900 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2901 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2902 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2903 (fldi_ok): New function.
2904 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2905 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2906 (emit_df_insn): Likewise.
2907 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2908 (sh_flag_remove_dead_before_cse): Delete.
2909 (get_free_reg, fpscr_set_from_mem): New functions.
2910 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2911 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2913 2000-02-15 Loren Rittle <ljrittle@acm.org>
2915 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2917 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2920 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2922 * cccp.c: Include version.h and/or don't declare `version_string'.
2923 * collect2.c: Likewise.
2924 * alpha.c: Likewise.
2925 * arm/aof.h: Likewise.
2926 * arm/coff.h: Likewise.
2927 * arm/elf.h: Likewise.
2928 * arm/pe.h: Likewise.
2929 * arm/tcoff.h: Likewise.
2930 * arm/telf.h: Likewise.
2931 * arm/tpe.h: Likewise.
2932 * arm/vxarm.h: Likewise.
2933 * convex/convex.c: Likewise.
2934 * i386/dgux.c: Likewise.
2935 * i386/sun386.h: Likewise.
2936 * m88k/m88k.c: Likewise.
2937 * mcore/mcore-pe.h: Likewise.
2938 * mips/mips.h: Likewise.
2939 * romp/romp.h: Likewise.
2940 * sh/sh.c: Likewise.
2941 * cpphash.c: Likewise.
2942 * cppinit.c: Likewise.
2943 * dwarf2out.c: Likewise.
2944 * dwarfout.c: Likewise.
2947 * mips-tfile.c: Likewise.
2948 * protoize.c: Likewise.
2949 * toplev.c: Likewise.
2952 * version.c (version_string): Constify a char*.
2954 * version.h: New file.
2956 2000-02-14 Nick Clifton <nickc@cygnus.com>
2958 * configure.in: Add mcore-elf and mcore-pe targets.
2959 * configure: Regenerate.
2961 * NEWS: Add note that MCore port has been contributed.
2963 * invoke.texi: Document command line switches for MCore port.
2964 * install.texi: Add MCore to list of supported targets.
2966 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2968 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2969 then we will need to import the frame handling functions.
2970 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2971 to import the frames themselves.
2973 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2974 Jason Eckhardt <jle@cygnus.com>
2976 * basic_block.h: Added prototype for reorder_basic_blocks.
2977 * toplev.c: Changes to add -freorder-blocks and graph dump after
2978 block reordering is done.
2979 * flow.c (reorder_block_def): New structure for use during block
2981 (REORDER_BLOCK_*): New macros to access members of above structure.
2982 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2983 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2984 functions for block reordering.
2986 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2988 * gcc.texi (Passes): Fix typo.
2989 * md.texi (Standard Names): Ditto.
2990 * tm.texi (Storage Layout): Ditto.
2992 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2994 * cpplib.c (do_define): Only free the old definition if it
2997 2000-02-13 Neil Booth <NeilB@earthling.net>
2999 * cppfiles.c (read_and_prescan): When emitting deferred
3000 newlines, test speccase[] again instead of checking each
3001 possible whitespace character in turn. When we encounter \r,
3002 look behind for \n first, then ahead.
3004 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3006 * cse.c (cse_altered): New internal flag.
3007 (cse_insn): Set it if we changed an insn.
3008 (cse_main): Clear cse_altered before each basic block.
3009 Only garbage collect if cse_altered is true afterward.
3011 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3013 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
3015 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
3017 * combine.c (simplify_comparison): Fix typo.
3019 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
3021 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
3024 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3026 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
3027 previously inserted node instead of root node. Caller changed.
3029 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3031 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
3033 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3035 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
3036 __dereg_frame_dtor): Add prototype argument.
3038 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
3040 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
3042 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
3044 * gthr-vxworks.h (__gthread_once): Likewise.
3046 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
3048 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
3050 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
3051 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
3052 stack pointer in functions w/o saved registers, output LEAVE more often
3053 on TARGET_USE_LEAVE machines.
3055 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
3057 * config/arm/arm.c (arm_init_cumulative_args); New function:
3058 Initlaise the CUMULATIE_ARGS strcuture for a function
3060 (arm_function_arg): New function: Determine where to place a
3061 function's argument. Also handles deciding the function's
3063 (current_file_function_operand): New function: Return true if
3064 the symbol is a function which has already been compiled.
3065 (arm_is_long_call_p): New function: Return true if the
3066 indicated function should be called via a long call.
3067 (arm_valid_type_attribute_p): New function: Return true if the
3068 attribute is a valid, arm specific, attribute.
3069 (arm_comp_type_attribute): New function: Return true if the
3070 two types have compatable, arm specific, attributes.
3072 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
3074 (FUNCTION_ARG): Redefine to call arm_function_arg.
3075 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
3077 (INIT_CUMULATIVE_ARGS): Redefine to call
3078 arm_init_cumulative_args.
3079 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
3081 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
3083 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
3085 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
3086 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
3087 (COMP_TYPE_ATTRIBUTES): Define.
3089 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
3090 if a long call is needed.
3091 (call_value): Call arm_is_long_call_p to decide if a long call
3093 (call_symbol): Call arm_is_long_call_p to decide if a long call
3096 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
3098 2000-02-11 Denis Chertykov <denisc@overta.ru>
3100 * README.AVR: New file with information about the avr ports.
3101 * config/avr: New directory with avr port files.
3103 2000-02-11 Andreas Jaeger <aj@suse.de>
3105 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
3107 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
3109 * cpphash.c: Fix formatting, update commentary.
3110 (dump_definition): Take three separate arguments instead of a
3111 MACRODEF structure argument.
3112 * cpphash.h: Update prototype of dump_definition.
3113 * cppinit.c (cpp_finish): Update call of dump_definition.
3115 * cpplib.c (do_define): Always create new hash entry with
3116 T_MACRO type. Remove redundant check for redefinition of
3117 poisoned identifier. Update call of dump_definition.
3118 (do_undef): Don't call check_macro_name. Rename sym_length to
3120 (do_error, do_warning): Don't use copy_rest_of_line or
3122 (do_warning): Don't use pedwarn for the actual warning,
3123 only the notice about its not being in the standard. (Fixes
3124 bug with #warning in system headers.)
3125 (do_ident): Stricter argument checking - accept only a single
3126 string after #ident. Also, macro-expand the line.
3127 (do_xifdef): Use cpp_defined. De-obfuscate.
3129 (do_pragma): Split out specific pragma handling to separate
3130 functions. Use get_directive_token. Update commentary. Do
3131 not pass on #pragma once or #pragma poison to the front end.
3132 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
3133 do_pragma_default): New.
3135 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
3137 * jump.c (jump_optimize_1): The first operand in a relational
3139 * optabs.c (emit_conditional_move): Handle relationals which
3140 have a known true/false result.
3142 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3144 * function.c (thread_prologue_and_epilogue_insns): Don't insert
3145 a RETURN insn into a block which already ends with a jump.
3147 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3149 * haifa-sched.c (BUF_LEN): Increase a lot.
3151 2000-02-11 Nick Clifton <nickc@cygnus.com>
3153 * configure.in: Add tm_p_file specification for thumb targets.
3154 * configure: Regenerate.
3156 * config/arm/thumb-protos.h: New file: Prototypes for exported
3157 functions defined in thumb.c.
3159 2000-02-11 Robert Lipe <robertl@sco.com>
3161 * Makefile.in (bootstrap-lean): Remove additional files.
3162 (bootstrap2-lean): Likewise.
3163 (VOL_FILES): List of files for above.
3165 2000-02-11 Nathan Sidwell <nathan@acm.org>
3167 * cpphash.c (special_symbol): Remove spurious argument to
3170 2000-02-11 Joel Sherrill (joel@OARcorp.com>
3172 * configure.in: (i*86-*-rtems*): Swapped elf and coff
3174 * configure: Rebuilt.
3176 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
3178 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
3180 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
3182 * pa.c, pa.h: Remove trigraph sequences within comments.
3184 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3186 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
3188 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
3190 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
3192 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3194 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
3196 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3198 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
3199 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
3200 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
3201 (ASM_FILE_END): Use c4x_file_end.
3202 * config/c4x/c4x.c (c4x_global_label): New function.
3203 (c4x_external_ref, c4x_file_end): Likewise.
3205 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
3206 (c4x_external_ref, c4x_end_file): Likewise.
3208 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
3210 * cppexp.c: Don't include cpphash.h.
3211 (parse_charconst, cpp_lex): Use cpp_defined.
3212 (cpp_lex): Use get_directive_token throughout. Remove
3213 unnecessary cases from switch. Move assertion-handling code
3215 (cpp_parse_expr): If we see '+' or '-', check the context to
3216 determine if they are unary or binary operators. Streamline
3217 the jumps a bit. Do not call skip_rest_of_line.
3219 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
3220 static. Export get_directive_token. Update commentary.
3221 (cpp_defined): New function.
3222 (do_define): Remove reference to T_PCSTRING. Call
3223 free_definition to release memory for old definition, when
3225 (eval_if_expression): Set only_seen_white to 0 before calling
3226 cpp_parse_expr. Call skip_rest_of_line after it returns.
3227 (cpp_read_check_assertion): Don't preserve a pointer into the
3228 token buffer across a call to cpp_get_token.
3230 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
3231 * cppfiles.c (redundant_include_p): Use cpp_defined.
3232 * cpphash.c (free_definition): New function.
3233 (delete_macro): Use it. Update commentary.
3234 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
3236 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
3237 from enum node_type. Prototype cpp_defined and get_directive_token.
3238 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
3240 * fix-header.c (check_macro_names): Use cpp_defined.
3241 (read_scan_file): Set inhibit_warnings and inhibit_errors in
3242 the options structure.
3244 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3246 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
3248 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
3250 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
3251 rather than die->die_tag.
3253 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3255 * combine.c (make_extraction, force_to_mode): Avoid warning on
3256 mixed-signedness conditionals.
3257 (make_field_assignment, nonzero_bits): Likewise.
3258 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
3259 (store_split_bit_field, extract_split_bit_field): Likewise.
3260 (extract_fixed_bit_field, store_bit_field,
3261 * expr.c: Change alignment to be unsigned everywhere.
3262 (move_by_pieces, store_constructor_field, store_constructor):
3263 Alignment parm is unsigned.
3264 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3265 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3266 (do_compare_rtx_and_jump): Likewise.
3267 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
3268 Compare align with GET_MODE_ALIGNMENT.
3269 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
3270 (get_inner_reference): Likewise.
3271 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
3272 (expand_assignment): Local vars for alignment now unsigned.
3273 (store_constructor, store_field, expand_expr, do_jump): Likewise.
3274 (do_compare_and_jump): Likewise.
3275 (store_field): Call new function expr_align.
3276 * expr.h (emit_block_move, emit_group_load, emit_group_store):
3277 Alignment arg now unsigned.
3278 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3279 (do_compare_rtx_and_jump, store_bit_field): Likewise.
3280 (extract_bit_field): Likewise.
3281 * fold-const.c (add_double): Add cast to eliminate signedness warning.
3282 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
3283 (get_best_mode): Alignment arg is unsigned.
3284 * rtl.h (move_by_pieces): Likewise.
3285 * store-layout.c (maximum_field_alignment, set_alignment):
3287 (layout_decl): Alignment arg is now unsigned.
3288 Remove unneeded casts.
3289 (layout_record, layout_union, layout_type): Remove unneeded casts.
3290 Local alignment variables now unsigned.
3291 (get_best_mode): Alignment arg now unsigned.
3292 * tree.c (expr_align): New function.
3293 * tree.h (expr_align): Likewise.
3294 (maximum_field_alignment, set_alignment): Now unsigned.
3295 (get_inner_reference): Alignment argument is now pointer to unsigned.
3296 * varasm.c (assemble_variable): Add cast to eliminate warning.
3298 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3300 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
3301 then store directly into op0.
3303 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3304 the CALL_INSN, and emit the note immediately after it.
3306 2000-02-10 Nick Clifton <nickc@cygnus.com>
3308 * config/arm/thumb.md (epilogue): Include a (return) in the
3309 generated insn, and emit it using emit_jump_insn not
3312 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3314 * function.c (assign_temp): Change zero-sized arrays to size 1.
3315 * integrate.c (expand_inline_function): Do not update
3316 stack_alignment_needed
3317 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3318 add some sanity checking, remove optimization for function with
3321 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3323 * flow.c (mark_regs_live_at_end): Delete unused variables.
3325 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3327 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3328 in macro FRAME_GROWS_DOWNWARD.
3330 * stmt.c (expand_end_bindings): Delete unused variable.
3332 * unroll.c (iteration_info): Mark parameter `loop' with
3335 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3337 * fixinc/server.c (load_data): Return NULL if the marker line is
3339 (run_shell): If load_data returns NULL, retry the command once, in
3342 * configure: Rebuilt.
3344 2000-02-09 Bruce Korb <bkorb@gnu.org>
3346 * gcc/fixincludes: ** DELETED **
3347 * gcc/fixcpp: ** DELETED **
3348 * gcc/fixinc-nt.sed: ** DELETED **
3349 * gcc/just-fixinc: ** DELETED **
3350 * gcc/Makefile.in: Removed out-dated commentary
3351 * gcc/configure.in: Removed fast-fixincludes disablement.
3352 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3354 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3355 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3358 2000-02-09 Richard Henderson <rth@cygnus.com>
3360 * jump.c (delete_insn): Don't delete user labels at -O0.
3362 2000-02-09 Robert Lipe <robertl@sco.com>
3364 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3365 Don't link with HOST_LIBS.
3367 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3369 * configure.in: Correct --help text for --with-dwarf2.
3370 Put tm-dwarf2.h after other tm files, if it's requested.
3371 * configure: Regenerate.
3372 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3375 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3377 * cpplib.h: Provide HASHNODE typedef and forward decl of
3378 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3379 DEFINITION, struct hashnode, struct macrodef, struct
3380 definition, scan_decls prototype, default defn of
3381 INCLUDE_LEN_FUDGE moved elsewhere.
3383 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3384 definition, and struct hashnode moved here. Remove the unused
3385 'predefined' field from struct definition. Replace the 'args'
3386 union with its sole member. All users updated (cpphash.c).
3387 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3388 multiple include guard.
3390 * cpphash.c (hashf): Make static; use better algorithm; drop
3391 HASHSIZE parameter; return an unsigned int.
3392 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3393 used. Calculate HASHSIZE modulus here.
3394 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3396 (create_definition): Drop PREDEFINITION parameter.
3397 * cpplib.c (do_define): Don't calculate a hash value here.
3398 Don't pass (keyword == NULL) to create_definition.
3400 * scan.h: Prototype scan_decls here.
3401 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3402 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3403 callers of cpp_lookup and cpp_install updated.
3405 * cpphash.c (macarg): Hoist all the flag diddling out of the
3407 (macroexpand): ... and out of the loop that calls macarg.
3408 Skip over the initial paren before macro arguments with
3409 cpp_get_non_space_token; point may be some distance before
3410 that paren. Abort if it's not there.
3412 * cpplib.c (parse_clear_mark): Delete function.
3413 (parse_set_mark, parse_goto_mark): Make static.
3414 (ACTIVE_MARK_P): New macro.
3415 (skip_block_comment, skip_line_comment): Do not bump the line
3416 if ACTIVE_MARK_P is true.
3417 (cpp_pop_buffer): The buffer to be popped may not have an
3419 (cpp_get_token): When looking for the initial paren before
3420 macro arguments, only set a mark in a file buffer, Always
3421 return to that mark before proceeding to call macroexpand or
3422 return a NAME token.
3424 * cpplib.h: Remove prototypes of parse_set_mark,
3425 parse_clear_mark, parse_goto_mark.
3426 (struct cpp_options): Rename 'put_out_comments' to
3427 'discard_comments' and invert its sense.
3428 * cppinit.c, cpphash.c, cpplib.c: All users of
3429 put_out_comments changed to use discard_comments, with
3432 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3434 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3435 the edge from a block that both jumps and falls through to the
3438 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3440 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3441 constant source address is legitimate.
3443 2000-02-09 Philip Blundell <pb@futuretv.com>
3445 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3448 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3450 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3452 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3454 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3455 ends with a newline and a NUL. Don't be so clever manipulating
3458 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3460 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3461 not to BIGGEST_ALIGNMENT.
3463 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3465 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3466 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3467 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3468 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3469 * frame.c (execute_cfa_insn): Handle
3470 DW_CFA_GNU_negative_offset_extended.
3472 2000-02-08 Richard Henderson <rth@cygnus.com>
3474 * flow.c (tidy_fallthru_edges): Split out from ...
3475 (delete_unreachable_blocks): ... here.
3476 (find_basic_blocks): Use it.
3478 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3480 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3482 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3484 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3485 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3486 (fix-header.o): Don't depend on cpphash.h.
3488 * scan.c (hashstr): New function.
3489 * scan.h: Prototype it.
3490 * fix-header.c: Don't include cpphash.h. Use hashstr.
3491 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3492 hashstr. Report hash table statistics. Add private
3493 definition of xrealloc.
3495 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3497 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3499 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3501 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3502 jumps with returns unless they are jumps to the fallthru block.
3504 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3506 * i386.md (addqi3_cc): Fix contraints.
3508 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3510 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3512 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3514 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3515 carriage return after a macro name.
3517 2000-02-07 Fred Fish <fnf@be.com>
3519 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3520 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3522 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3524 * cppfiles.c (deps_output): Count spacers in deps_column.
3526 2000-02-07 Neil Booth <NeilB@earthling.net>
3528 * cppinit.c (initialize_dependency_output): If there is no
3529 suffix, don't try to look for known suffixes. Use strrchr.
3530 (cpp_start_read): Remove duplicate initialization.
3532 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3534 * calls.c (compute_argument_block_size): New argument
3535 preferred_stack_boundary.
3536 (expand_call): update cfun->preferred_stack_boundary, update call of
3537 compute_argument_block_size
3538 (emit_library_call): Increate cfun->preferred_stack_boundary
3539 to PREFERRED_STACK_BOUNDARY
3540 (emit_library_call_value): Likewise.
3541 * explow.c (allocate_dynamic_stack_spave): Likewise.
3542 * function.c (prepare_function_start): Set
3543 cfun->preferred_stack_boundary
3544 * function.h (struct function): Add preferred_stack_boundary field.
3545 * integrate.c (expand_inline_function): Update
3546 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3547 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3548 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3550 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3552 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3553 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3554 cpp_pedwarn, cpp_pedwarn_with_line,
3555 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3556 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3557 v_cpp_error_with_line, v_cpp_warning_with_line,
3558 cpp_message_from_errno, cpp_perror_with_name): Delete.
3560 * cpperror.c (cpp_print_containing_files): Take starting
3562 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3563 (v_cpp_message): Now called directly by all entry points.
3565 (cpp_pfatal_with_name, cpp_message): Delete.
3566 (cpp_notice_from_errno, cpp_ice): New functions.
3567 (cpp_notice): Is now for reporting error conditions, just
3568 without an associated file.
3569 (cpp_error, cpp_error_with_line): Don't do anything if
3570 opts->inhibit_errors is on.
3571 (cpp_pedwarn_with_file_and_line): Take column argument also.
3573 * cpplib.h: Update prototypes of exported functions.
3574 (struct cpp_options): Add inhibit_errors.
3576 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3577 non-error messages. Include intl.h.
3579 * cppinit.c, cppmain.c: Likewise. Also, use
3580 cpp_notice_from_errno instead of cpp_perror_with_name or
3581 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3583 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3584 report internal errors.
3586 * cpplib.c (do_define): Switch bcopy to memcpy.
3587 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3589 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3590 bail out early if we hit a line comment.
3592 2000-02-06 Richard Henderson <rth@cygnus.com>
3594 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3595 * basic-block.h: Declare them.
3596 * emit-rtl.h (active_insn_p): New.
3597 (next_active_insn, prev_active_insn): Use it.
3598 * rtl.h: Declare it.
3599 * function.c (emit_return_into_block): New.
3600 (thread_prologue_and_epilogue_insns): Insert return insns instead
3601 of epilogues when possible.
3602 * jump.c (jump_optimize_1): Remove code to insert a return insn
3603 on the fallthru to the exit block.
3605 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3606 and for non-empty stack frames.
3607 * i386.md (return): Expand to return-pop as needed.
3609 2000-02-06 Richard Henderson <rth@cygnus.com>
3611 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3612 constant to op1 for testing.
3614 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3616 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3617 (fixuns_truncqfqi2): Use it.
3619 2000-02-06 Richard Henderson <rth@cygnus.com>
3621 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3624 * i386.md (widening and peepholes): Mask the constant instead of
3627 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3629 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3630 input pointer before possibly branching off to the backslash
3632 * cpphash.c (macroexpand): Correctly delete \r escapes when
3633 stringifying parameters.
3634 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3635 if we can; bail out early if we hit a line comment.
3636 (handle_directive): Treat '# 123' in an .S file just like
3637 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3638 Return 1 for '# not_a_directive'.
3639 (get_directive_token): Pop macro buffers here, so that
3640 cpp_get_token can't sneakily move past a newline.
3642 (cpp_get_token): goto randomchar if handle_directive returns 0.
3644 * cppalloc.c: Update copyright.
3645 * cpplib.c: Merge all the static function prototypes into one
3647 * cpplib.h: Remove #if 0 block.
3649 * cpperror.c: Remove #ifdef EMACS block.
3650 * cppmain.c: Likewise.
3651 * cpphash.c: Remove #if 0 blocks.
3652 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3653 * cpplib.c: Remove #if 0 blocks and code referencing
3654 pcp_inside_if or for_lint. Remove duplicate error message.
3655 Fix error messages for #else after #else or #elif. Reformat.
3656 Remove archaic TODO list.
3657 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3659 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3661 * i386/osf1elf.h: Add missing backslash to multiline string.
3663 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3665 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3667 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3669 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3671 * c-common.c: Include expr.h.
3673 * c-pragma.c (mark_align_stack): Add prototype.
3675 * caller-save.c (add_stored_regs): Likewise.
3677 * combine.c (record_promoted_value): Likewise.
3679 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3682 * cppinit.c (new_pending_define): Likewise.
3684 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3686 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3687 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3688 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3689 class_scope_p): Likewise.
3691 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3692 dwarf2out_add_library_unit_info): Likewise.
3694 * ggc.h (ggc_page_print_statistics): Likewise.
3696 * haifa-sched.c (propagate_deps): Likewise.
3698 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3700 * rtl.h (set_stack_check_libfunc): Likewise.
3702 * toplev.h (set_fatal_function): Likewise.
3704 * toplev.c (set_fatal_function): Delete prototype.
3706 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3708 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3710 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3711 (FUNC_END): Likewise.
3713 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3715 * caller-save.c: Include tm_p.h.
3717 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3719 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3721 2000-02-04 Neil Booth <NeilB@earthling.net>
3723 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3726 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3728 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3729 * genflags.c: Use the max_operand_1 logic from genemit.c to
3730 calculate how many arguments gen_insn prototypes have. Remove
3731 NO_MD_PROTOTYPES ifdefs from the generated file.
3732 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3733 file. Cast gen_insn initializers to insn_gen_fn.
3734 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3735 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3737 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3739 * fixinc/Makefile.in (HDR): Add machname.h.
3742 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3744 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3745 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3746 (c4x_cpu_version): Ditto.
3747 * config/c4x/c4x-protos.h: ... here.
3749 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3751 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3752 gen_abstract_function on our context if we're a nested function.
3754 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3756 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3757 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3759 2000-02-04 Bruce Korb <bkorb@gnu.org>
3761 * fixinc/genfixes(machname.h):
3762 Move the functionality from gen-machine.h into this file.
3763 UNdef MN_NAME_PAT if there are no names to change.
3764 Also, be a little kinder when AutoGen is not present.
3766 * fixinc/Makefile.in(machname.h):
3767 Change the generation rule to use genfixes.
3769 * fixinc/fixfixes.c(machine_name):
3770 machine_name_fix's functionality now dependent upon whether
3771 MN_NAME_PAT is defined.
3773 * fixinc/fixtests.c(machine_name):
3776 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3779 * fixinc/fixlib.h(mn_get_regexps):
3782 * fixinc/gen-machine.h: DELETED
3784 2000-02-04 Jan Hubicka <jh@suse.cz>
3785 Richard Henderson <rth@cygnus.com>
3787 * i386.c (SAVE_REGS_FIRST): Remove.
3788 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3789 (ix86_compute_frame_size): Likewise.
3790 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3791 (ix86_emit_restore_regs): Remove.
3792 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3793 when a frame pointer is in use.
3794 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3795 instead of pop to restore a register when profitable; emit leave
3797 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3799 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3800 * i386.md (prologue_allocate_stack): Remove.
3801 (epilogue_deallocate_stack): Remove.
3802 (pro_epilogue_adjust_stack): New.
3804 2000-02-04 Richard Henderson <rth@cygnus.com>
3806 * function.c (diddle_return_value): Rework to use a callback function.
3807 Use current_function_return_rtx if it's been set up.
3808 (do_clobber_return_reg, clobber_return_register): New.
3809 (do_use_return_reg, use_return_register): New.
3810 (expand_function_end): Use them.
3811 * stmt.c (expand_null_return): Likewise.
3812 * function.h: Declare them.
3813 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3814 (mark_reg): Change arguments as appropriate for callback.
3815 * integrate.c (expand_inline_function): Revert 19 Jan change.
3817 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3819 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3820 (Misc): Say the scheduler, not the Haifa scheduler.
3822 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3824 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3825 when in_mem is set. Update all callers.
3827 2000-02-04 Richard Henderson <rth@cygnus.com>
3829 * i386/openbsd.h (INT_ASM_OP): Define.
3831 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3833 * tm.texi: Fix various typos.
3835 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3837 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3838 (MD_STARTFILE_PREFIX_1): New macro.
3840 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3842 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3843 destination when needed.
3844 (strmovsi, strsetsi): New expander.
3845 (strmovsi_1, strsetsi_1): New pattern.
3846 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3847 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3848 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3849 * invoke.texi (align-stringops, inline-all-stringops): Document.
3851 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3853 * i386/netbsd.h (INT_ASM_OP): Define.
3855 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3857 * cpplib.h (cpp_reader): Add new flag, no_directives.
3858 * cpphash.c (macarg): Set it.
3859 * cpplib.c (handle_directive): If no_directives is on and we
3860 find a directive, issue an error and discard the line.
3862 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3864 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3865 FP constants. Add ! TARGET_FPU check for FP constants.
3867 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3869 * flow.c (find_basic_blocks): Don't kill label_value_list
3871 (cleanup_cfg): Kill it here.
3873 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3875 * expr.c (store_field): Ensure ALIGN is no stricter than the
3878 2000-02-02 Richard Henderson <rth@cygnus.com>
3880 * jump.c (delete_insn): Partially revert 19 Jan change;
3881 don't convert unused code labels to notes at -O0.
3883 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3885 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3886 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3888 2000-02-01 Richard Henderson <rth@cygnus.com>
3890 * i386.c (general_no_elim_operand): New.
3891 (nonmemory_no_elim_operand): New.
3892 (ix86_expand_move): Copy eliminable operands before a push.
3893 * i386-protos.h: Declare new functions.
3894 * i386.h (CAN_ELIMINATE): Simplify.
3895 (PREDICATE_CODES): Update.
3896 * i386.md (push insns): Don't allow eliminable register operands.
3898 2000-02-01 Richard Henderson <rth@cygnus.com>
3900 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3901 replace BLKmode with DECL_RTL's mode.
3903 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3905 * frame.c (find_fde): Convert for loop to do-while so compiler
3906 sees it's always executed at least once.
3907 * libgcc2.c (BBINBUFSIZE): Kill.
3908 (__bb_init_prg): Use fgets.
3909 (__bb_exit_trace_func): Don't paste strings.
3910 * unroll.c (unroll_loop): Initialize unroll_type, not
3911 unroll_number, and tweak logic to match.
3913 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3915 (ix86_flags_dependant): Likewise. Disentangle control flow.
3916 (ix86_sched_reorder): Break guts out to
3917 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3918 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3921 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3922 use string concatenation. Don't save and restore esi.
3924 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3925 (machname.h): Remove script to separate file. Use two-step
3926 sequence so target is not created if script fails.
3927 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3928 identifiers are defined.
3929 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3930 an empty string, machine_name doesn't need to do anything at
3932 (is_cxx_header): Add more cases to regexp.
3933 * fixinc/fixlib.h: Update prototype.
3934 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3936 * fixinc/fixincl.c: Define NO_BOGOSITY.
3938 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3939 (hp_sysfile): Add missing comma.
3940 (math_exception): Put the wrapper ifdefs at the beginning and
3941 the end of the file.
3942 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3944 2000-02-01 Richard Henderson <rth@cygnus.com>
3946 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3947 Use CONST0_RTX. Update all callers.
3948 * sparc.h, sparc-protos.h: Update accordingly.
3949 * sparc.md (fp mov insns): Use fp_zero_operand directly
3952 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3954 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3957 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3959 * Makefile.in (specs.ready): New target.
3960 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3962 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3964 * fixinc.irix: Use unique filenames for writing into /tmp,
3965 * fixinc.ptx: Likewise.
3966 * fixinc.sco: Likewise.
3967 * fixinc.svr4: Likewise.
3968 * fixinc.winnt: Likewise.
3970 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3972 * tsystem.h: New file.
3974 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3975 s-crtS): Depend on tsystem.h.
3977 * crtstuff.c: Include tsystem.h.
3978 * frame.c: Likewise.
3979 * libgcc2.c: Likewise.
3981 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3983 * builtins.c (expand_builtin_memset): Expand for variable sized
3986 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3988 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3991 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3993 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3995 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3997 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3999 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
4000 case 3->2 combining (combining with splitting) in which 2 is CC0
4001 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
4002 checked at the begining of the function with the aid of calling
4003 function 'can_combine_p'.
4005 2000-01-31 Dave Brolley <brolley@redhat.com>
4007 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
4009 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
4011 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
4014 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4016 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
4018 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
4021 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4023 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
4024 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
4025 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
4026 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
4027 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
4028 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
4029 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
4030 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
4031 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
4032 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
4034 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
4035 Add %(cpp_cpu) to CPP_SPEC.
4037 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
4038 Add %(cc1_cpu) to CC1_SPEC.
4040 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4042 * c-decl.c (c_decode_option): Accept optional numeric argument to
4043 -Wformat and set warn_format.
4044 * c-common.c: Don't emit warning about non-constant printf format
4045 string unless warn_format > 1.
4047 2000-01-30 Richard Henderson <rth@cygnus.com>
4049 * alpha.md (return_internal): Allow after reload only.
4051 2000-01-30 Richard Henderson <rth@cygnus.com>
4053 * i386.c (ix86_compute_frame_size): Omit padding1 if the
4054 local frame size is zero.
4056 2000-01-30 Richard Henderson <rth@cygnus.com>
4058 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
4059 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
4060 * alpha.md (return): Turn into an expander.
4061 (return_internal): Don't use $26.
4062 (epilogue): Emit the return insn.
4064 2000-01-30 Richard Henderson <rth@cygnus.com>
4066 * alpha.md (negtf2, abstf2): Fix word order thinko.
4068 (trunctfsf2): Avoid intermediate rounding errors.
4070 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4072 * cppfiles.c (find_position): Drop 'colp' argument, return the
4074 (read_and_prescan): Adjust to match. Don't ever manipulate
4075 line or line_base except via find_position.
4077 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4079 * c-parse.in: Apply Ulrich's changes from c-parse.y.
4080 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
4083 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4085 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
4086 just print "<command line>". If 'filename' is null or an
4087 empty string, print "<stdin>" for the filename.
4088 * cpplib.c (do_define): Don't print the 'location of the
4089 previous definition' message if we're still parsing the
4091 (cpp_pedwarn_with_file_and_line): Always call
4092 cpp_file_line_for_message.
4094 2000-01-29 Mark Mitchell <mark@codesourcery.com>
4096 * flow.c (mark_regs_live_at_end): Fix typo.
4098 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4100 * c-common.c: Adjust variable names, comments, help strings to c99.
4101 * c-lex.c: Likewise.
4102 * c-parse.y: Likewise.
4103 * c-tree.h: Likewise.
4105 * cpplib.h: Likewise.
4106 * c-decl.c: Likewise. Recognize options with names "*99" as well.
4107 * cppinit.c: Likewise.
4109 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4111 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
4112 * c4x.c: Define the optab rtx values.
4113 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
4114 (c4x_emit_libcall): Use new optab rtx values.
4115 (c4x_emit_libcall3): Likewise.
4116 (c4x_emit_libcall_mulhi): Likewise.
4117 * c4x-protos.h: Add prototypes for optab rtx values and change
4118 prototypes for above c4x_emit_libcall functions.
4120 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4122 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
4124 (c4x_function_prologue): Use regnames intead of float_reg_names when
4126 (c4x_function_epilogue): Likewise.
4127 (c4x_print_operand): Likewise.
4128 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
4129 * c4x.md (set_high): Disable for TARGET_TI.
4131 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4133 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
4134 of framepointer + constant to ADDR_REGS class.
4135 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
4136 * c4x.c (std_or_reg_operand): New function.
4137 * c4x-protos.h (std_or_reg_operand): Prototype it.
4139 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4141 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
4142 object names as libgcc2.c.
4143 * libgcc.S: Use newly defined names.
4145 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
4146 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
4148 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
4149 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
4150 (FLOW_LOOP_LAST_BLOCK): Likewise.
4152 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4154 * basic-block.h (struct loop): New fields 'first' and 'last'.
4155 * flow.c (flow_loops_find): Compute loop->first and loop->last.
4156 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
4157 and loop->last to check for NOTE_INSN_LOOP_END.
4159 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
4161 * predict.c (estimate_probability): Use the new FIRST and LAST fields
4162 of the loop descriptor rather than HEADER and LATCH. Also added
4163 missing break statements as well making some coding style modifications
4164 as suggested by Michael Hayes.
4166 2000-01-28 Richard Henderson <rth@cygnus.com>
4168 * flow.c (find_basic_blocks): Remove do_cleanup argument.
4169 Break out that code ...
4170 (cleanup_cfg): ... here.
4171 (commit_one_edge_insertion): Detect a return instruction being
4172 emitted to an edge. Emit a barrier following; clear fallthru.
4173 (commit_edge_insertions): Verify CFG consistency.
4174 * function.c (expand_function_start): Kill unused variable.
4175 (expand_function_end): Likewise.
4176 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
4177 to insert the epilogue.
4179 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
4180 (delete_null_pointer_checks): Likewise.
4181 * output.h: Likewise.
4182 * reg-stack.c (reg_to_stack): Likewise.
4183 * toplev.c (rest_of_compilation): Likewise. Run
4184 thread_prologue_and_epilogue_insns after rebuilding the CFG.
4186 2000-01-28 Richard Henderson <rth@cygnus.com>
4188 * Makefile.in (flow.o): Revert 24 Jan change.
4189 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
4190 FUNCTION_VALUE result to DECL_RESULT's mode.
4192 * haifa-sched.c (schedule_insns): Don't recompute reg info
4195 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
4197 * configure.in: Make --enable-cpplib the default.
4198 * configure: Regenerate.
4199 * gcc.dg/990119-1.c: No longer expected to fail.
4201 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
4203 * jump.c (jump_optimize_1): Delete an optimization that is also done
4204 by merge_blocks in flow.
4206 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4208 * diagnostic.c (build_message_string, output_printf,
4209 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
4210 (build_location_prefix): Fix non-literal format string.
4212 2000-01-27 Richard Henderson <rth@cygnus.com>
4214 * alpha.md (trunctfsf2): New.
4216 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
4218 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
4220 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4222 * cppinit.c (cpp_handle_option): Recognize C++ comments under
4224 * cpplib.c (skip_block_comment, skip_line_comment): Split code
4226 (skip_comment) ... here. Permit C++ comments in system
4227 headers always. Warn about C++ comments in user code under
4228 -std=gnu89 -pedantic.
4229 (copy_comment): Use skip_comment.
4230 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
4232 (consider_directive_while_skipping, do_else, do_endif): Call
4233 validate_else unconditionally.
4234 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
4235 text after the conditional in a system header.
4236 * cpplib.h (struct cpp_buffer): Add flag
4237 warned_cplusplus_comments.
4239 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4241 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
4242 Use unshare_all_rtl_1.
4243 (unshare_all_rtl_again): New function.
4244 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
4246 * function.c (purge_addressof_1): Use unshare_all_rtl_again
4247 rather than resetting the 'used' flags ourself.
4249 * toplev.c (rest_of_compilation): Add current_function_decl
4250 to the unshare_all_rtl call.
4251 * tree.h: Prototype unshare_all_rtl.
4252 * rtl.h: Prototype unshare_all_rtl_again here.
4254 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4256 * genoutput.c (output_prologue): Include ggc.h in generated
4258 * Makefile.in (insn-output.o): Depends on ggc.h.
4260 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
4261 Hans-Peter Nilsson <hp@bitrange.com>
4263 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
4264 Remove redundant include of xm-ns32k.h.
4265 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
4266 Remove redundant include of xm-ns32k.h.
4267 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
4268 Remove redundant include of xm-ns32k.h.
4269 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
4271 * ns32k/ns32k.h: Update comment on multiply-add instructions.
4272 (TARGET_SWITCHES): Add documentation strings.
4273 (DWARF_FRAME_REGNUM): Override default definition.
4274 (REG_CLASS_CONTENTS): Add comments.
4275 (SUBSET_P): Format to reduce line length.
4276 (SMALL_REGISTER_CLASSES): Make a run time option.
4277 (GO_IF_NONINDEXED_ADDRESS): Reformat.
4278 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
4279 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
4280 (regclass_map): fix typo in comment.
4281 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
4282 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
4283 (trace, reg_or_mem_operand): Delete, unused function.
4284 (calc_address_cost): Small offsets are cheaper than large ones.
4285 (expand_block_move): Generate more efficient code when bytes is a
4286 known at compile time.
4287 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
4288 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
4289 instead of reg_or_mem_operand.
4291 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
4292 not general_operand. Similarly use "=rm" or stricter, not "=g".
4293 For input operands, use stricter constraints than "g" if not
4294 general_operand. Similarly use stricter predicate than
4295 "general_operand" when stricter constraints than "g" are present,
4296 except for matching constraints.
4297 (movstrsi): Use "memory_operand" for operands 0 and 1.
4298 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
4299 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
4300 not reg_or_mem_operand.
4301 (udivmoddisi4): Ditto.
4302 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4303 Use nonimmediate_operand for operand 3, not register_operand.
4304 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4307 2000-01-27 Fred Fish <fnf@be.com>
4309 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4310 * gthr-single.h: Likewise.
4311 * gthr-solaris.h: Likewise.
4312 * gthr-vxworks.h: Likewise.
4313 * gthr-win32.h: Likewise.
4316 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4318 * cppinit.c: Add " (cpplib)" to end of string printed by
4321 2000-01-27 Richard Henderson <rth@cygnus.com>
4323 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4324 testing for a signed comparison.
4325 (alpha_emit_floatuns): New.
4326 * alpha-protos.h: Declare it.
4327 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4328 (extendsfdf2): Tidy.
4330 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4332 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4333 no -g option specifying debugging format, default to -gstabs+.
4335 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4337 * calls.c (special_function_p): New argument fork_or_exec.
4338 (expand_call): When profile_arc_flag is set and the function
4339 is in the fork_or_exec group, call __bb_fork_func first.
4340 * libgcc2.c, _bb module (__bb_fork_func): New function.
4341 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4343 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4344 * tree.h (special_function_p): Update prototype.
4346 2000-01-26 Richard Henderson <rth@cygnus.com>
4348 * alpha.c (alpha_split_tfmode_pair): New.
4349 * alpha-protos.h: Declare it.
4350 * alpha.md (abstf2, negtf2): New.
4351 (movtf insn): Add input G constraint.
4352 (movtf splitter): Use alpha_split_tfmode_pair.
4354 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * i386/cygwin.h: PROTO -> PARAMS.
4358 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4360 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4361 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4362 using _Qp_cmp/_Q_cmp and testing the return value.
4363 (print_operand): Call reverse_condition_maybe_unordered if
4364 we are handling CCFPmode or CCFPEmode.
4365 Handle ORDERED, UN* and LTGT comparisons.
4366 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4367 if not TARGET_HARD_QUAD.
4368 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4369 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4370 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4371 Adjust gen_b* calls so that they reflect return comparison of
4372 sparc_emit_float_lib_cmp.
4374 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4376 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4377 incoming operands array is large enough for one more operand.
4378 (alpha_emit_xfloating_arith): Likewise.
4380 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4382 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4383 file with one line and no trailing newline.
4384 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4385 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4386 checking if the match is on the line.
4387 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4389 2000-01-25 Richard Henderson <rth@cygnus.com>
4391 * sparc.c (output_cbranch): Fix accidental squashing of the
4392 fp branch pre-delay nop.
4394 2000-01-25 Richard Henderson <rth@cygnus.com>
4396 * tree.def (UNNE_EXPR): Remove.
4397 * c-typeck.c (build_binary_op): Don't handle it.
4398 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4400 * rtl.def (UNNE): Remove.
4402 * jump.c (reverse_condition): Update accordingly.
4403 (swap_condition): Likewise.
4404 (comparison_dominates_p): Handle unordered comparisons.
4405 (reverse_condition_maybe_unordered): New.
4406 * rtl.h (reverse_condition_maybe_unordered): Declare.
4408 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4409 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4410 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4411 * sparc.md (bltgt): New.
4413 2000-01-25 Nick Clifton <nickc@redhat.com>
4415 * emit-rtl.c (emit_insn): Only check machine class insns for
4416 improper emission of a RETURN.
4418 2000-01-25 Richard Henderson <rth@cygnus.com>
4420 * Makefile.in (flow.o): Depend on $(EXPR_H).
4421 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4422 duplicate the structure of diddle_return_value for keeping regs live.
4424 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4426 * loop.c (current_loop_info): Delete.
4427 (consec_sets_invariant_p): Add loop argument, update callers.
4428 (get_condition_for_loop): Likewise.
4429 (count_nonfixed_reads, update_giv_derive): Likewise.
4430 (simplify_giv_expr, general_induction_var): Likewise.
4431 (consec_sets_giv, recombine_givs): Likewise.
4432 (move_movables): Delete loop_start and loop_end arguments,
4433 add loop argument, and update callers.
4434 (find_mem_givs, check_final_value): Likewise.
4435 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4436 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4438 (basic_induction_var): Add loop argument, delete loop_level argument,
4440 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4441 add loop argument, and update callers.
4442 (find_splittable_regs, find_splittable_givs): Likewise.
4443 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4444 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4445 (biv_total_increment): Delete loop_start and loop_end arguments;
4447 (precondition_loop_p): Delete loop_start and loop_info arguments;
4449 * loop.h (get_condition_for_loop): Add loop argument.
4450 (biv_total_increment): Delete loop_start and loop_end arguments.
4451 (precondition_loop_p): Delete loop_start and loop_info arguments;
4453 (final_biv_value): Delete loop_start and loop_end arguments;
4455 (final_giv_value, back_branch_in_range_p): Likewise.
4457 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4459 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4461 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4463 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4464 point to the new "generated_files" doc.
4466 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4468 * config/fp-bit.c (_unord_f2): Fix typo.
4470 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4472 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4473 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4474 functions obsoleted by GC, such as push_obstacks_nochange,
4475 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4476 and code which existed only to decide whether or not to call
4477 them. Remove now-unused NESTED argument from start_function;
4478 all callers changed. Do not change behavior based on ggc_p.
4479 The use of the ixp_obstack in c-iterate.c and the util_obstack
4480 in objc/objc-act.c remain; these are not obsoleted by garbage
4482 * c-tree.h: Update prototype for start_function.
4484 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4486 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4488 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4491 2000-01-25 Richard Henderson <rth@cygnus.com>
4493 * sparc-protos.h (select_cc_mode): Declare.
4494 * sparc.c (select_cc_mode): New. Handle unordered compares.
4495 (output_cbranch): Always reverse via code change. Handle
4496 unordered compares. Factor tests and string updates.
4497 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4498 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4499 * sparc.md (bunordered, bordered): New.
4500 (bungt, bunlt, buneq, bunge, bunle): New.
4502 2000-01-25 Richard Henderson <rth@cygnus.com>
4504 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4505 * ggc-common.c (ggc_add_rtx_varray_root): New.
4506 (ggc_mark_rtx_varray): New.
4507 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4508 functions down below ggc_mark_foo.
4509 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4511 2000-01-25 Richard Henderson <rth@cygnus.com>
4513 * alpha.c (secondary_reload_class): Don't allocate a secondary
4514 for integral mode memories into FLOAT_REGS. Rearrange the more
4515 complicated memory expression inward.
4517 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4519 * inclhack.def: Fixes to play nicer with FreeBSD, and
4520 corrections to comments.
4521 (cxx_unready): Add select expression.
4522 (irix_sockaddr): Add bypass expression.
4523 (machine_ansi_h_va_list): New fix.
4524 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4525 Split out addition of "#include <stdarg.h>" to...
4526 (stdio_stdarg_h): ... here.
4527 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4528 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4529 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4531 (ultrix_ifdef): Tighten up select expression.
4533 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4534 re_ct and max_mach to avoid use of shell. Make printed names
4535 match names in inclhack.def. Use static copyright date.
4536 Don't count c_test and test expressions as requiring regex_t
4537 slots. Add some commentary.
4538 * inclhack.tpl: Do not include the 'This script contains N
4539 fixup scripts' line if PROGRAM is defined. Use static
4542 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4544 * dwarf2out.c: include "varray.h", not dyn-string.h.
4545 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4546 (addr_const_to_string, addr_to_string): Lose.
4547 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4548 (struct dw_val_struct): val_addr is now an rtx.
4549 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4550 (used_rtx_varray): New varray.
4551 (dwarf2out_init): Initialize it.
4553 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4555 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4556 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4557 * Makefile.in (dwarf2out.o): Update dependencies.
4559 2000-01-24 Richard Henderson <rth@cygnus.com>
4561 * i386.c (i386_dwarf_output_addr_const): New.
4562 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4564 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4566 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4567 * i386.c (i386_simplify_dwarf_addr): New.
4568 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4570 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4572 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4573 TYPE_STUB_DECL is NULL.
4575 2000-01-24 Richard Henderson <rth@cygnus.com>
4577 * builtins.c (expand_tree_builtin): Move ...
4578 * c-common.c (expand_tree_builtin): ... here.
4580 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4582 * loop.h (LOOP_INFO): New accessor macro.
4583 * basic-block.h (struct loop): Rename field `info' to `aux'.
4584 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4585 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4586 * unroll.c (loop_iterations, unroll_loop): Likewise.
4588 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4590 * config/i386/t-cygwin: Accomodate new winsup directory layout
4591 when searching for include files.
4593 2000-01-24 Richard Henderson <rth@cygnus.com>
4595 * rtl.def: Add unordered fp comparisions.
4596 * tree.def: Likewise.
4597 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4599 * builtins.c (expand_tree_builtin): New function.
4600 * c-typeck.c (build_function_call): Use it.
4601 (build_binary_op): Support unordered compares.
4602 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4604 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4605 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4606 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4607 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4608 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4610 (swap_condition): Handle unordered compares.
4611 (thread_jumps): Check can_reverse before reversing.
4612 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4615 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4616 setcc is present before acking for cmp_optab. Update all callers.
4617 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4618 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4619 * expr.c (expand_expr): Likewise. Support unordered compares.
4620 (do_jump, do_store_flag): Likewise.
4621 * expr.h (enum libfunc_index): Add unordered compares.
4623 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4624 (DPBIT_FUNCS): Add _unord_df.
4625 * config/fp-bit.c (_unord_f2): New.
4626 * fp-test.c (main): Try unordered compare builtins.
4628 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4629 * alpha.c (alpha_comparison_operator): Check mode properly.
4630 (alpha_swapped_comparison_operator): Likewise.
4631 (signed_comparison_operator): Likewise.
4632 (alpha_fp_comparison_operator): New.
4633 (alpha_emit_conditional_branch): Handle unordered compares.
4634 * alpha.h (PREDICATE_CODES): Update.
4635 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4636 (bunordered, bordered): New.
4638 2000-01-24 Richard Henderson <rth@cygnus.com>
4640 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4641 * alpha.md (movtf): New expander, insn, and splitter.
4643 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4645 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4648 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4650 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4651 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4652 REG_ALLOC_ORDER): Add frame pointer
4653 (FRAME_POINTER_REGNUM): Set to 20
4654 (HARD_FRAME_POINTER_REGNUM): New macro.
4655 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4656 to HARD_FRAME_POINTER.
4657 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4658 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4659 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4660 (HI_REGISTER_NAMES): Add "frame".
4661 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4662 (debug_reg): Handle FRAME_POINTER_REGNUM.
4663 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4664 GENERAL_REGS and INDEX_REGS.
4665 * i386.c (SAVED_REGS_FIRST): new macro.
4666 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4667 (ix86_decompose_address, memory_address_length): Likewise.
4668 (regclass_map): Add frame pointer.
4669 (call_insn_operand): Handle frame_pointer_rtx.
4670 (reg_no_sp_operand): Likewise.
4671 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4672 (print_operand, legitimize_pic_address): Fix formating.
4673 (ix86_compute_frame_size): Make static, update prototype, new
4674 parameters padding1, padding2, use ix86_nsaved_regs, use
4675 stack_alignment_needed.
4676 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4677 to HARD_FRAME_POINTER_REGNUM conversions.
4678 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4679 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4680 (print_reg): Abort on FRAME_POINTER_REGNUM
4682 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4684 * i386.h (PREDICATE_CODES): Add aligned_operand.
4685 * i386.c (aligned_operand): New function.
4686 (ix86_aligned_p): Kill.
4687 * i386.md (movhi_1): Emit mov for aligned operands.
4688 (promoting peep2s): Use aligned_operand.
4690 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4692 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4693 expression to allow underscores in macro names.
4694 (fix_char_macro_defines): Increment scanning pointer.
4696 2000-01-23 Richard Henderson <rth@cygnus.com>
4698 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4699 * alpha/osf5.h: New file.
4700 * configure.in (alpha-*-osf5): Add it to tm_file.
4702 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4704 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4705 (alpha_emit_xfloating_cvt, function_arg): Declare.
4706 * alpha.c (alpha_emit_conditional_branch): Call
4707 alpha_emit_xfloating_compare for TFmode compares.
4708 (alpha_lookup_xfloating_lib_func): New.
4709 (alpha_compute_xfloating_mode_arg): New.
4710 (alpha_emit_xfloating_libcall): New.
4711 (alpha_emit_xfloating_arith): New.
4712 (alpha_emit_xfloating_compare): New.
4713 (alpha_emit_xfloating_cvt): New.
4714 (print_operand): Add default abort case.
4715 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4716 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4717 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4718 (RETURN_IN_MEMORY): True for TF/TCmode.
4719 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4720 (FUNCTION_ARG): Move to function_arg.
4721 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4722 (ASM_OUTPUT_LONG_DOUBLE): New.
4723 (ASM_OUTPUT_DOUBLE): Always output bits.
4724 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4725 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4726 (extenddftf2, trunctfdf2): New.
4728 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4730 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4731 * config/sparc/sol2.h: ... here.
4733 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4735 * basic-block.h (struct loops): New field `levels'.
4736 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4737 (flow_loop_level_compute): Initialise level to 1.
4738 (flow_loops_find): Set loops->levels.
4739 (flow_loops_dump): Print loops->levels.
4741 2000-01-23 Richard Henderson <rth@cygnus.com>
4743 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4744 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4746 2000-01-23 Richard Henderson <rth@cygnus.com>
4748 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4749 * i386.h (DBX_REGISTER_NUMBER): Use them.
4750 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4751 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4752 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4753 * i386/sequent.h: Kill incorrect comment.
4755 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4757 * ggc-page.c (struct page_entry): Make `context_depth' an
4759 (struct globals): Likewise.
4761 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4763 * loop.c (check_dbra_loop): When checking a loop for
4764 reversability, check the source of any stores to ensure
4765 they don't depend on an initial value.
4767 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4769 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4771 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4773 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4774 'pz_scan' into scope of entire function. Only affects
4775 compiles with -DDEBUG.
4777 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4779 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4780 section naming to that prior to 2000-01-07 patch.
4781 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4782 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4783 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4784 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4785 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4787 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4789 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4792 2000-01-21 Jim Wilson <wilson@cygnus.com>
4794 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4795 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4797 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4799 * cpphash.c (change_newlines): Delete function.
4800 (struct argdata): Delete 'newlines' and 'use_count' fields.
4801 (macroexpand): Remove code referencing those fields.
4803 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4805 * loop.c (loops_info): New variable.
4806 (loop_optimize): Allocate loops->array and free it on exit.
4807 Allocate memory for loops_info and assign to each loop,
4809 (find_and_verify_loops): Do not allocate loops->array.
4811 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4813 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4815 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4817 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4818 pseudos if expanded after first flow.
4819 (movdi_pic_label_ref): Likewise.
4821 2000-01-20 Richard Henderson <rth@cygnus.com>
4823 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4825 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4827 * Makefile.in (fixinc.sh): Depend on specs.
4828 * fixinc/Makefile.in: Add rule to create machname.h.
4829 (fixlib.o): Depend on machname.h.
4830 * fixinc/fixtests.c (machine_name): New test.
4831 * fixinc/fixfixes.c (machine_name): New fix.
4832 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4833 the machine_name test and fix.
4834 * fixinc/fixlib.h: Prototype it.
4835 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4836 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4838 * gcc.c (do_spec_1) [case P]: Take care not to create
4839 identifiers with three leading or trailing underscores.
4841 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4842 (fixincl): Don't specify libraries twice on link line.
4843 (gnu-regex.o): Remove special rule.
4844 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4845 defined by config.h. Do not define _REGEX_RE_COMP.
4846 (regcomp): Allocate and initialize a fastmap.
4847 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4849 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4851 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4853 2000-01-19 Richard Henderson <rth@cygnus.com>
4855 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4856 arguments with BB. Update all callers. Tidy line wrapping.
4858 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4860 * emit-rtl.c (try_split): Return last_insn if we split the
4863 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4865 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4866 (ix86_initial_elimination_offset): Declare.
4867 * i386.c (ix86_nsaved_regs): Break out from ...
4868 (ix86_can_use_return_insn_p): ... here.
4869 (ix86_emit_save_regs): Break out from ...
4870 (ix86_expand_prologue): ... here.
4871 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4873 (ix86_expand_epilogue): ... here.
4874 (ix86_compute_frame_size): Make static, add prototype.
4875 (ix86_initial_elimination_offset): Break out from ...
4876 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4878 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4880 * recog.h (OUT_FCN): Delete.
4882 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4884 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * cppalloc.c: PROTO -> PARAMS.
4887 * cpperror.c: Likewise.
4888 * cppfiles.c: Likewise.
4889 * cpplib.c: Likewise.
4890 * cpplib.h: Likewise.
4892 * config/arm/arm-protos.h: PROTO -> PARAMS.
4893 * config/arm/arm.c: Likewise.
4894 * config/c4x/c4x.c: Likewise.
4895 * config/fr30/fr30-protos.h: Likewise.
4896 * config/nextstep.c: Likewise.
4897 * config/pa/pa.c: Likewise.
4898 * config/pj/pj.c: Likewise.
4899 * config/rs6000/rs6000.c: Likewise.
4900 * config/v850/v850-protos.h: Likewise.
4901 * config/v850/v850.c: Likewise.
4903 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * i370-protos.h: New file.
4907 * i370.c: Include tm_p.h. Fix compile time warnings.
4909 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4912 * i370.md: Likewise.
4914 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4916 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4917 (target_isinf, target_isnan, eisnan): Mark parameter with
4919 (eiisinf): Wrap in INFINITY.
4920 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4921 (ibmtoe): Remove unused variable `rndsav'.
4923 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4925 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4926 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4928 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4930 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4931 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4932 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4934 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4935 Recognize Emacs mode markers also.
4936 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4937 C++ comments in C++ headers. Call is_cxx_header only if
4940 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4942 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4943 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4944 ... these, which use the new C fixes.
4945 (math_exception): Escape literal '+' in bypass expression.
4947 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4950 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4952 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4955 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4957 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4958 prior to calling scan_loop.
4960 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4962 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4963 (split_branches, calc_live_regs): Likewise.
4965 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4967 * sh.md (fpu_single, fp_mode): New attributes.
4969 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4971 * loop.c (current_loop_info): Renamed from loop_info_data
4972 and changed to a pointer.
4973 (loop_optimize): Allocate loop_info structure for each loop
4974 and initialise to zero.
4975 (scan_loop): Set current_loop_info.
4977 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4980 2000-01-19 Richard Henderson <rth@cygnus.com>
4982 * stupid.c: Die die die.
4983 * Makefile.in (OBJS): Remove stupid.o.
4984 (stupid.o): Likewise.
4986 * except.c (emit_eh_context): Don't emit USEs for stupid.
4987 * explow.c (probe_stack_range): Likewise.
4988 * flags.h (obey_regdecls): Remove.
4989 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4990 when not optimizing.
4991 (life_analysis): Limit data collection when not optimizing.
4992 (mark_regs_live_at_end): Always mark the return value registers.
4993 (mark_used_regs): Remove dummy RETURN case.
4994 (print_rtl_with_bb): Don't consult obey_regdecls.
4995 * function.c (use_variable, use_variable_after): Remove.
4996 (assign_parms): Consult optimize not obey_regdecls.
4997 (expand_function_start): Don't emit USEs for stupid.
4998 (expand_function_end): Likewise.
4999 * global.c (build_insn_chain): Export.
5000 * integrate.c (expand_inline_function): Kill return-value USE
5002 * jump.c (jump_optimize_1): Do simple jump optimizations and
5003 dead code elimination.
5004 (calculate_can_reach_end): Remove check_deleted argument.
5005 (delete_insn): Patch out insns even when not optimizing.
5006 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
5007 * rtl.h (use_variable, use_variable_after): Remove declarations.
5008 (build_insn_chain): Declare.
5009 * stmt.c (expand_value_return): Don't emit USEs for stupid.
5010 (expand_end_bindings): Likewise.
5011 (expand_decl): Likewise. Consult optimize not obey_regdecls.
5012 * toplev.c (obey_regdecls): Remove.
5013 (rest_of_compilation): Don't set it. Kill stupid in favour of
5014 flow1, local-alloc, and reload.
5015 (main): Don't set obey_regdecls.
5017 * config/nextstep.c (handle_pragma): Likewise.
5019 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
5021 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
5023 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5025 * alpha-protos.h: PROTO -> PARAMS.
5026 * alpha.c: Likewise.
5028 * h8300.c: Likewise.
5029 * i386-protos.h: Likewise.
5031 * m32r-protos.h: Likewise.
5034 * mips.md: Likewise.
5035 * gmon-sol2.c: Likewise.
5036 * sparc.c: Likewise.
5038 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5040 * ns32k-protos.h: New file.
5042 * ns32k.c: Fix compile time warnings.
5044 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
5047 * ns32k.md: Likewise.
5049 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5051 * vax-protos.h: New file.
5053 * vax.c: Fix compile time warnings.
5055 * vax.h: Move prototypes to vax-protos.h. Fix compile time
5060 * vaxv.md: Likewise.
5062 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5064 * romp-protos.h: New file.
5066 * romp.c: Fix compile time warnings.
5068 * romp.h: Move prototypes to romp-protos.h. Fix compile time
5071 * romp.md: Likewise.
5073 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5075 * we32k-protos.h: New file.
5077 * we32k.c: Fix compile time warnings.
5079 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
5082 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
5086 * except.c (eh_regs): Likewise.
5088 * final.c (output_operand): Likewise.
5090 * fold-const.c (target_isinf, target_isnan): Likewise.
5092 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5094 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
5095 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
5097 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
5099 (clrstrsi): Rewrite.
5100 (strsethi, strsetqi): New expanders.
5101 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
5102 (cmpstrsi): Emit compare insn before cmpstrsi_1
5103 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
5104 (strlensi_1): Likewise.
5105 (cmpstrsi_1): Likewise; do not output compare.
5106 (strlen expander): Do not unroll when optimizing for size.
5107 (*subsi3_carry): Rename to subsi3_carry
5108 (addqi3_cc): New pattern.
5109 * i386.h (processor_costs): Add move_ratio field.
5110 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
5111 * i386.c (*_cost): Set move_ratio.
5112 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
5113 (x86_expand_strlensi_1): Rewrite the main loop.
5115 2000-01-17 Richard Henderson <rth@cygnus.com>
5117 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
5118 * cse.c (find_comparison_args, fold_rtx): Likewise.
5119 * integrate.c (subst_constants): Likewise.
5120 * loop.c (get_condition): Likewise.
5122 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
5124 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
5126 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5128 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
5129 (RESTORE_WARN_FLAGS): Unpack it.
5130 Change semantic type of extension to ttype.
5131 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
5132 * c-parse.y, c-parse.c, objc/objc-parse.y,
5133 objc/objc-parse.c: Regenerate.
5135 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
5137 * fixinc/fixlib.c: Add copyright notice.
5138 (compile_re): New function.
5139 * fixinc/fixlib.h: Prototype compile_re.
5141 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
5142 Use compile_re to compile regular expressions.
5144 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
5145 where the pattern matched.
5147 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
5149 (ultrix_ansi_compat): Likewise.
5150 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
5152 (interactv_add2, interactv_add3): Delete.
5153 (x11_sprintf): Don't use filename glob.
5154 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
5157 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5159 * print-rtl.c: PROTO -> PARAMS.
5161 * reg-stack.c: Likewise.
5162 * resource.c: Likewise.
5163 * sdbout.h: Likewise.
5164 * simplify-rtx.c: Likewise.
5165 * stor-layout.c: Likewise.
5166 * stupid.c: Likewise.
5167 * xcoffout.c: Likewise.
5168 * xcoffout.h: Likewise.
5170 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5172 * toplev.c: PROTO -> PARAMS.
5173 * toplev.h: Likewise.
5176 * unroll.c: Likewise.
5177 * varasm.c: Likewise.
5178 * varray.c: Likewise.
5179 * varray.h: Likewise.
5181 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5183 * reload.c: PROTO -> PARAMS.
5184 * reload.h: Likewise.
5185 * reload1.c: Likewise.
5186 * reorg.c: Likewise.
5187 * resource.h: Likewise.
5190 * rtlanal.c: Likewise.
5191 * sbitmap.h: Likewise.
5192 * sdbout.c: Likewise.
5193 * stack.h: Likewise.
5195 * system.h: Likewise.
5197 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5199 * machmode.h: PROTO -> PARAMS.
5200 * mbchar.h: Likewise.
5201 * mips-tdump.c: Likewise.
5202 * mips-tfile.c: Likewise.
5203 * optabs.c: Likewise.
5204 * output.h: Likewise.
5205 * prefix.c: Likewise.
5206 * profile.c: Likewise.
5207 * protoize.c: Likewise.
5209 * recog.c: Likewise.
5210 * recog.h: Likewise.
5211 * regclass.c: Likewise.
5212 * regmove.c: Likewise.
5215 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5217 * ggc-common.c: PROTO -> PARAMS.
5218 * ggc-page.c: Likewise.
5219 * ggc-simple.c: Likewise.
5221 * global.c: Likewise.
5222 * graph.c: Likewise.
5223 * gthr-win32.h: Likewise.
5224 * haifa-sched.c: Likewise.
5225 * halfpic.h: Likewise.
5226 * integrate.c: Likewise.
5227 * integrate.h: Likewise.
5230 * local-alloc.c: Likewise.
5234 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5236 * genattr.c: PROTO -> PARAMS.
5237 * genattrtab.c: Likewise.
5238 * gencheck.c: Likewise.
5239 * gencodes.c: Likewise.
5240 * genconfig.c: Likewise.
5241 * genemit.c: Likewise.
5242 * genextract.c: Likewise.
5243 * genflags.c: Likewise.
5244 * gengenrtl.c: Likewise.
5245 * genopinit.c: Likewise.
5246 * genoutput.c: Likewise.
5247 * genpeep.c: Likewise.
5248 * genrecog.c: Likewise.
5250 2000-01-16 Mark Mitchell <mark@codesourcery.com>
5252 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
5254 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5256 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
5257 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
5258 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
5259 * configure, config.in: Rebuilt.
5261 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
5263 * config/i386/i386.md: Add peephole to merge successive stack
5266 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
5268 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
5269 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
5270 when walking backwards to find all the parameter loads when
5271 the basic block ends in a call.
5273 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5275 * loop.c (this_loop_info): Delete.
5276 (uid_loop): Add in place of uid_loop_num. All uses updated.
5277 (loop_number_exit_count): Delete and replace with entry in loop
5278 structure. All uses updated.
5279 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5280 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5281 (loop_outer_loop): Likewise.
5282 (loop_invalid, loop_number_exit_labels): Likewise.
5283 (loop_used_count_register): Delete and replace with entry in
5284 loop_info structure.
5285 (find_and_verify_loops): Add loops argument.
5286 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
5287 loop_end, etc. arguments with loop structure pointer. All callers
5289 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
5290 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
5291 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
5292 (insert_bct): Likewise.
5293 (basic_induction_var): New argument level.
5294 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
5295 vtop, and cont. Add used_count_register.
5296 (uid_loop): Delete declaration.
5297 (loop_number_exit_count): Likewise.
5298 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5299 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5300 (loop_outer_loop, loop_used_count_register): Likewise.
5301 (loop_invalid, loop_number_exit_labels): Likewise.
5302 (unroll_loop): Replace loop_start and loop_end arguments
5303 with loop structure pointer.
5304 (loop_precondition_p, loop_iterations): Likewise.
5305 Include basic-block.h.
5306 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5307 with loop structure pointer.
5308 (loop_precondition_p, loop_iterations): Likewise.
5309 * basic-block.h (struct loop): New entries vtop, cont,
5310 cont_dominator, start, end, top, scan_start, exit_labels,
5312 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5314 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5316 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5318 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5320 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5322 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5324 * pdp11-protos.h: New file.
5326 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5329 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5332 * pdp11.md: Likewise.
5336 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5338 * mn10300-protos.h: New file.
5340 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5343 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5346 * mn10300.md: Likewise.
5348 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5350 * mn10200-protos.h: New file.
5352 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5355 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5358 * mn10200.md: Likewise.
5360 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5362 * h8300-protos.h: New file.
5364 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5367 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5370 * h8300.md: Likewise.
5372 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5374 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5375 (asm_emit_uninitialised): Likewise.
5377 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5379 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5380 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5382 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5384 * config/mips/mips.c (override_options): Don't turn on extra
5385 alignment for mips16.
5387 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5389 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5390 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5393 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5395 * builtins.c (PAD_VARARGS_DOWN): Define.
5396 (std_expand_builtin_va_arg): Use the above macro.
5397 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5398 * tm.texi (Register Arguments): Document the above macro.
5400 2000-01-14 Nick Clifton <nickc@cygnus.com>
5402 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5403 that this function has not been used to emit a jump
5406 * jump.c (return_jump_1): Cope with being passed a null rtx.
5408 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5410 * eh-common.h: PROTO -> PARAMS.
5411 * emit-rtl.c: Likewise.
5412 * errors.c: Likewise.
5413 * errors.h: Likewise.
5414 * except.c: Likewise.
5415 * except.h: Likewise.
5416 * explow.c: Likewise.
5417 * expmed.c: Likewise.
5420 * final.c: Likewise.
5421 * fix-header.c: Likewise.
5423 * fold-const.c: Likewise.
5424 * function.c: Likewise.
5425 * function.h: Likewise.
5427 * gcov-io.h: Likewise.
5431 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5433 * sh-protos.h: New file.
5435 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5436 Add static prototypes. Fix compile time warnings.
5438 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5442 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5444 * arc-protos.h: New file.
5446 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5449 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5454 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5456 * dsp16xx-protos.h: New file.
5458 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5461 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5464 * dsp16xx.md: Likewise.
5466 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5468 * convex-protos.h: New file.
5470 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5473 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5476 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5478 * elxsi-protos.h: New file.
5480 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5483 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5486 * elxsi.md: Likewise.
5488 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5490 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5491 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5492 match the comment for MIPS16.
5494 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5496 * flow.c (split_edge): Do not call set_block_for_insn if we
5497 do not have a basic_block_for_insn structure.
5499 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5500 and destination functions are 32bit aligned within the trampoline.
5501 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5502 (TRAMPOLINE_ALIGNMENT): Define.
5504 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5505 (set (pc) (label_ref)), verify the change creates a valid insn.
5507 * fr30.c (call_operand): Tighten and rework to match rules for
5508 call RTL expressions.
5509 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5510 * fr30.md (call patterns): Improve constraints.
5512 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5514 * fr30.c (fr30_expand_epilogue): Revert last change.
5515 Use emit_jump_insn for the return insn.
5517 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5518 Stan Cox <scox@cygnus.com>
5520 * predict.c: New file. Preliminary infrastructure work for static
5521 branch prediction and basic block reordering.
5522 * basic-block.h: Add prototype for estimate_probability.
5523 * Makefile.in: Add rules for predict.o.
5525 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5527 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5528 * fixinc/*: Likewise.
5530 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5532 * cccp.c: PROTO -> PARAMS.
5534 * collect2.c: Likewise.
5535 * combine.c: Likewise.
5536 * convert.h: Likewise.
5538 * dbxout.c: Likewise.
5539 * dbxout.h: Likewise.
5540 * diagnostic.c: Likewise.
5541 * doprint.c: Likewise.
5542 * dwarf2out.c: Likewise.
5543 * dwarf2out.h: Likewise.
5544 * dwarfout.c: Likewise.
5545 * dwarfout.h: Likewise.
5546 * dyn-string.h: Likewise.
5548 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5550 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5551 macro conditionals guarding use.
5553 * dwarf2out.c: Include "tm_p.h".
5555 * function.c (locate_and_pad_parm): Mark parameter with
5557 (expand_function_end): Likewise for variable `context'.
5559 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5561 2000-01-13 Nick Clifton <nickc@cygnus.com>
5563 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5564 register to prevent compile time warnings.
5566 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5568 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5569 to avoid -Wtraditional warning.
5571 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5573 * 1750a-protos.h: New file.
5575 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5578 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5581 * 1750a.md: Likewise.
5583 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5585 * a29k-protos.h: New file.
5587 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5590 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5593 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5595 * clipper-protos.h: New file.
5597 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5600 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5603 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5605 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5607 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5609 * configure.in (--enable-new-gxx-abi): New option.
5610 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5611 * Makefile.in (GXX_ABI_FLAG): New variable.
5612 * configure: Regenerate.
5614 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5616 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5617 * tm.texi (FORCE_STRUCT_BLK): Document.
5618 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5620 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5622 * config/ns32k/ns32k.md: Revert Jan 9 change.
5624 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5625 to a mode-test, if the predicate is address_operand.
5627 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5629 * combine.c (if_then_else_cond): Be careful about what kinds
5630 of RTL expressions are passed to operand_subword.
5632 * flow.c (split_edge): If we have to insert a new jump, make
5633 sure to associate it with a basic block.
5635 * flow.c (commit_one_edge_insertion): A block with one successor
5636 can end in a JUMP_INSN that is not a simplejump.
5638 2000-01-12 Robert Lipe <robertl@sco.com>
5640 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5641 (BUILD_VA_LIST_TYPE): Define.
5642 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5645 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5647 * cccp.c (do_pragma): Add cast to (char *).
5649 2000-01-12 Richard Henderson <rth@cygnus.com>
5650 Fred Fish <fnf@be.com>
5651 Jason Merrill <jason@cygnus.com>
5653 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5654 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5655 * i386/beos-elf.h, i386/beos-pe.h: New files.
5657 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5658 * cross-make (SYSTEM_HEADER_DIR): Define using
5659 CROSS_SYSTEM_HEADER_DIR.
5661 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5662 (process_command): Use it.
5663 (main): Likewise. Kill trailing = from env vars.
5664 (build_search_list): Put it back.
5665 * collect2.c (main): Use LIBRARY_PATH_ENV.
5667 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5668 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5670 * tm.texi (Frame Layout): Document SMALL_STACK.
5671 * c-common.c (c_common_nodes_and_builtins): Check it.
5673 * system.h: Undef alloca after including glibc's <stdlib.h>,
5674 if USE_C_ALLOCA is defined.
5676 * gcc.c (set_input): New fn.
5677 (main): After all input files are compiled, reset the input file
5680 * aclocal.m4 (rindex, index): If already defined, don't attempt
5683 * ginclude/varargs.h: (__va_list__): Define ifndef.
5684 * ginclude/stdarg.h: Likewise.
5686 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5687 instead of unsigned char.
5689 * hash.h (true, false, boolean): Undef before enum.
5691 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5692 proper type of "HOST_WIDE_INT *", rather than their natural type of
5693 "unsigned HOST_WIDE_INT *".
5695 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5697 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5699 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5701 * regclass.c (choose_hard_reg_mode): Likewise.
5703 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5705 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5707 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5709 * c-common.c: PROTO -> PARAMS.
5710 * c-common.h: Likewise.
5711 * c-decl.c: Likewise.
5712 * c-iterate.c: Likewise.
5713 * c-lang.c: Likewise.
5714 * c-lex.c: Likewise.
5715 * c-lex.h: Likewise.
5716 * c-parse.in: Likewise.
5717 * c-pragma.c: Likewise.
5718 * c-pragma.h: Likewise.
5719 * c-tree.h: Likewise.
5720 * c-typeck.c: Likewise.
5721 * objc/objc-act.c: Likewise.
5722 * objc/objc-act.h: Likewise.
5724 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5726 * m88k-protos.h: New file.
5728 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5731 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5733 * m88k.md: Likewise.
5735 * tekXD88.h: Likewise.
5737 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * m68k-protos.h: New file.
5741 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5744 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5746 * mot3300.h: Likewise.
5748 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5750 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5752 (extract_bitlist): Declare bitlen.
5754 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5756 * cccp.c: Accept and ignore -lang-fortran.
5758 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5759 qualifiers don't match at any level of pointerness.
5761 2000-01-12 Robert Lipe <robertl@sco.com>
5763 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5765 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5767 * reload1.c (reload_reg_unavailable): New static variable.
5768 (reload_reg_free_p): Test it.
5769 (reload_reg_free_for_value_p): Test it instead of
5771 (choose_reload_regs_init): Compute it.
5773 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5775 * reorg.c (fill_slots_from_thread): Check modified_in_p
5778 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5780 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5781 these nodes even if INTERNALS is not set.
5783 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5785 * gcse.c (delete_null_pointer_checks_1): Cope when
5786 get_condition cannot determine the condition.
5788 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5790 * toplev.h (set_message_length): Declare.
5792 * diagnostic.c (obstack_chunk_alloc): Define macro.
5793 (obstack_chunk_free): Likewise.
5794 (struct output_buffer): New data structure.
5796 (output_maximum_width): New variable.
5797 (doing_line_wrapping, set_message_length, init_output_buffer,
5798 get_output_prefix, output_space_left, emit_output_prefix,
5799 output_newline, output_append, output_puts, dump_output,
5800 vbuild_message_string, build_message_string, build_location_prefix,
5801 voutput_notice, output_printf, line_wrapper_printf,
5802 vline_wrapper_message_with_location): New functions. Implement
5803 automatic line wrapping.
5804 (v_message_with_decl): Make it handle automatic line wrapping.
5805 (v_error_with_file_and_line): Likewise.
5806 (v_warning_with_file_and_line): Likewise.
5807 (announce_function): Likewise.
5808 (default_print_error_function): Likewise.
5810 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5812 * cpplib.h (struct cpp_options): Change lang_asm to char.
5814 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5815 done in cpp_handle_option now.
5816 (initialize_builtins): Take out special case code used only by
5818 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5819 if -traditional. Recognize -lang-fortran and set
5820 lang_fortran, also turn off cplusplus_comments.
5821 (print_help): Document -lang-fortran.
5822 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5823 lang_asm. Ignore all directives other than `# 123 "file"' if
5825 (cpp_get_token): If -traditional, don't recognize directives
5826 unless the # is in column 1.
5827 (parse_string): If lang_fortran or lang_asm, silently
5828 terminate strings ('' or "") at end of line.
5829 Remove unnecessary braces.
5831 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5832 Richard Henderson <rth@cygnus.com>
5834 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5836 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5837 strict_low_part when possible.
5839 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5841 * alias.c: PROTO -> PARAMS.
5842 * basic-block.h: Likewise.
5843 * bitmap.c: Likewise.
5844 * bitmap.h: Likewise.
5845 * builtins.c: Likewise.
5846 * c-aux-info.c: Likewise.
5847 * caller-save.c: Likewise.
5848 * calls.c: Likewise.
5850 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5852 * Makefile.in (toplev.o): Depend on regs.h.
5854 * output.h (tdesc_section): Prototype.
5856 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5858 * sdbout.c: Include "tm_p.h".
5860 * toplev.c: Include "regs.h".
5862 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5864 * unroll.c (unroll_loop): Add EH support.
5866 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5868 * pa-protos.h: New file.
5870 * pa.c: Include recog.h and tm_p.h.
5871 (compute_zdepwi_operands, compute_movstrsi_length,
5872 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5873 find_addr_reg, import_milli): Add static prototypes.
5874 (pa_cpu_string, pa_arch_string): Constify a char*.
5875 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5876 (read_only_operand): Add argument `mode'.
5877 (singlemove_string, output_move_double, output_fp_move_double,
5878 output_block_move, output_and, output_ior, output_ascii,
5879 remove_useless_addtr_insns, milli_names, output_mul_insn,
5880 output_div_insn, output_mod_insn, output_arg_descriptor,
5881 output_cbranch, output_bb, output_bvb, output_dbra, ,
5882 output_millicode_call, output_call, hppa_encode_label,
5883 output_parallel_movb, output_parallel_addb): Constify a char*.
5884 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5885 (output_parallel_addb): Remove extra arg to `constrain_operands'
5887 * pa.h: Move all prototypes to pa-protos.h.
5888 (pa_cpu_string, pa_arch_string): Constify a char*.
5889 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5891 * pa.md: Call `function_label_operand' with mode argument.
5892 Likewise for `read_only_operand'.
5893 Fix nesting of parens in call to `symbolic_operand'.
5895 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5897 * i860-protos.h: New file.
5899 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5902 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5904 * i860.md: Likewise.
5906 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5908 * i386.md (movstrsi expander): Rewrite.
5909 (movstrsi_1 insn): Deleted.
5910 (strmovhi, strmovqi expander): New expanders.
5911 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5912 * i386.c (x86_single_stringop): New global variable.
5913 * i386.h (x86_single_stringop): Declare.
5914 (TARGET_SINGLE_STRINGOP): New macro.
5916 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5918 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5919 integer vararg POSTINCREMENT before the destination of the jump
5920 for the hard fp case.
5921 (function_arg_pass_by_reference): Pass a copy of CUM to
5924 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5925 for CONSTANT_ADDRESS_P above while loop for subreg.
5927 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5929 * flow.c (propagate_block): When a prologue/epilogue insn
5930 is marked dead, unconditionally clear libcall_is_dead and
5931 insn_is_dead, and only dump rtl if warnings aren't being
5934 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5936 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5937 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5938 (FIXED_REGISTERS): Set dirflag as fixed.
5939 (CALL_USED_REGISTERS): Set dirflag as used.
5940 (REG_ALLOC_ORDER): Set dirflag as last one.
5941 (DIRFLAG_REG): New macro.
5942 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5943 (HI_REGISTER_NAMES): Add dirflag.
5944 (DEBUF_PRINT_REG): Handle dirflag.
5945 * i386.md (type attribute): New cld and str types.
5946 (length_opcode attribute): Set cld and str to 1.
5947 (memory attribute): Set str to unknown - it is not clear from the
5949 (pent_np function unit): Prefixed string operations takes 12 cycles
5950 minimally; cld takes 2 cycles.
5951 (ppro_uops attribute): Str is "many" and cld is "few".
5952 (ppro_p0 unit): Handle cld here.
5953 (k6_alux unit): Handle cld and str types.
5954 (k6_load unit): It is ocupied by str opcodes.
5955 (k6_store unit): It is ocupied by str opcodes.
5956 (athlon_decode): Str is vector decoded.
5957 (athlon_ieu): Handle str and cld.
5959 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5960 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5961 cmpstrsi_nz_1 insn): Do not output cld instruction
5963 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5965 * gcc.texi (G++ and GCC): Add Java and Chill.
5966 (Bug Critera): Don't list languages.
5968 * gcc.texi (Incompatibilities): No longer claim most C compilers
5971 * gcc.texi (G++ and GCC): Update other front-ends list.
5973 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5975 * i386.c (ix86_expand_setcc): Fix typo.
5976 (ix86_expand_movcc): Similarly.
5978 * Band-aid until haifa's bitset implementation is nuked.
5979 * haifa-sched.c (extract_bitlst): New parameter for size of the
5980 bitset in bits. All callers changed. Avoid looking at undefined
5982 (edgeset_bitsize): New variable.
5983 (schedule_region): Initialize edgeset_bitsize.
5985 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5987 * Makefile.in (optabs.o): Depend on real.h
5988 (resource.o): Depend on insn-attr.h
5990 * builtins.c (result_vector): Wrap prototype in macro conditions
5991 governing definition and use.
5993 * c-common.c: Include tm_p.h.
5995 * c-lex.c: Likewise.
5997 * elfos.h: Constify a char*.
5999 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
6000 (get_attr_length, shorten_branches, profile_after_prologue): Mark
6001 parameter with ATTRIBUTE_UNUSED.
6003 * fold-const.c (exact_real_inverse): Wrap variable `i' in
6006 * haifa-sched.c (schedule_insns): Mark parameter with
6009 * optabs.c: Include real.h.
6011 * real.h (ereal_atof): Add prototype arguments.
6013 * resource.c: Include insn-attr.h.
6015 * sdbout.c (sdbout_queue_anonymous_type,
6016 sdbout_dequeue_anonymous_types): Wrap in macro
6017 SDB_ALLOW_FORWARD_REFERENCES.
6018 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
6021 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
6023 * stupid.c: Include tm_p.h.
6025 * tree.c (real_value_from_int_cst): Mark parameter with
6028 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6030 * i960-protos.h: New file.
6032 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
6035 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
6037 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6039 * combine.c (expand_field_assignment): Do not discard SUBREGs
6040 while computing nonzero_bits.
6042 2000-01-09 Nick Clifton <nickc@cygnus.com>
6044 * config/arm/arm.c: Fix compile time warnings about signed vs
6046 * config/arm/arm.h: Fix compile time warnings about signed vs
6049 2000-01-09 Philip Blundell <philb@gnu.org>
6051 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
6052 than `ldm' with only one register.
6053 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
6056 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
6059 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
6061 * config/ns32k/ns32k.md (load or push effective address): Operand 1
6064 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6066 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6067 assignment used as truth value.
6069 * function.c (assign_temp): Mark parameter `dont_promote' with
6070 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
6071 PROMOTE_FOR_CALL_ONLY.
6073 * genrecog.c (write_subroutine): Mark variable `operands' with
6076 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
6079 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
6080 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
6082 * toplev.c (note_deferral_of_defined_inline_function): Likewise
6085 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6087 * config/c4x.h: Tidy up comments.
6088 * config/c4x.c: Likewise.
6090 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
6092 * fold-const.c (lshift_double, rshift_double): Handle
6093 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
6095 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6097 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
6098 in prepare_function_start().
6100 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
6102 * config/v850/v850.c (expand_epilogue): Interrupt functions no
6103 longer allocate extra stack for function calls.
6105 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6107 * config/c4x/c4x.md (*subqf3_set): Fix typo.
6109 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6111 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
6113 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6115 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6116 * aix43.h: Revert Aug 2 change.
6117 (HAS_INIT_SECTION): Define, not visible yet.
6118 (LD_INIT_SWITCH): Define, not visible yet.
6119 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6121 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
6123 * collect2.c (main): Expand ld2 size further.
6124 (export_object_lst): Cast assignment to avoid warning.
6125 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
6126 (scan_prog_file, COFF): Do not collect initialization or
6127 finalization functions generated for entire shared object if
6128 init/fini support present.
6130 2000-01-07 Nick Clifton <nickc@cygnus.com>
6132 * config/elfos.h: Tidy up formatting of marcos. Make sure
6133 that .section directives are always prefixed by a tab.
6135 * config/svr4.h: Add #include "elfos.h" and remove duplicate
6138 2000-01-07 Matt Austern <austern@sgi.com>
6140 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
6143 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
6145 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
6147 (crtbegin.o, s-crtS): Likewise.
6149 2000-01-06 Richard Henderson <rth@cygnus.com>
6151 * alpha.md (adddi_2+1): Limit offset such that it will be
6152 loadable with a single ldah+lda pair.
6153 (adddi_2+2): Explicitly fail split if we can't make it work.
6155 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
6157 * protoize.c: Conditionally include unistd.h.
6158 (IS_SAME_PATH_CHAR): New macro.
6159 (IS_SAME_PATH): New macro.
6160 (CPLUS_FILE_SUFFIX): New macro.
6161 (cplus_suffix): New static variable.
6162 (is_abspath): New static function.
6163 (in_system_include_dir): Handle DOS style pathnames.
6164 (file_could_be_converted): Likewise.
6165 (file_normally_convertible): Likewise.
6166 (directory_specified_p): Likewise.
6167 (file_excluded_p): Likewise.
6168 (abspath): Likewise.
6169 (shortpath): Likewise.
6170 (referenced_file_is_newer): Likewise.
6171 (save_def_or_dec): Likewise.
6172 (do_processing): Likewise.
6174 (edit_file): Likewise. Use rename instead of link.
6175 (rename_c_file): Likewise. Don't rename syscalls file.
6176 (munge_compile_params): Define null device for DOS based systems.
6177 (process_aux_info_file): Use binary mode if appliable.
6178 (edit_file): Likewise.
6179 * invoke.texi (Running Protoize): Document C++ suffixes used.
6181 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
6182 IS_DIR_SEPARATOR macros.
6183 * collect2.c: Likewise.
6184 * cppinit.c: Likewise.
6185 * dwarf2out.c: Likewise.
6188 * prefix.c: Likewise.
6190 * toplev.c: Likewise.
6191 * system.h: And move to here.
6193 * prefix.c (update_path): Fix typo in variable name.
6195 2000-01-06 Richard Henderson <rth@cygnus.com>
6197 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
6198 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
6199 (count_reg_sets_1, count_reg_references): Likewise.
6200 (flow_loops_level_compute): Start counting actual loop depth at 1.
6201 (flow_loops_find): Likewise.
6202 * local-alloc.c (update_equiv_regs): Likewise.
6203 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
6205 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6207 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
6208 FIRST_PSEUDO_REGISTER
6209 * dwarf2out.c: Don't include frame.h
6210 * dwarfout.c: Likewise
6211 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
6214 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
6216 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6219 * i386.c (movsf splitter): Fix typo in my last checkin.
6221 2000-01-05 Nick Clifton <nickc@cygnus.com>
6223 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
6224 own definition of this macro.
6225 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
6226 flag_data_sections or UNIQUE_SECTION_P are true.
6228 * tm.texi (UNIQUE_SECTION): Document that it can be called for
6229 unitialised data decls.
6231 * config/i386/winnt.c (i386_pe_unique_section): Cope with
6232 being called for uninitialised data.
6234 * config/i386/interix.c (i386_pe_unique_section): Cope with
6235 being called for uninitialised data.
6237 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
6238 for uninitialised data.
6240 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
6241 for uninitialised data.
6243 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
6244 for uninitialised data.
6246 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
6247 (UNIQUE_SECTION_P): Always generate a unique section if
6248 flag_data_sections is true.
6249 (UNIQUE_SECTION): Also generate unique sections for
6251 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
6252 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
6255 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6257 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
6260 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6262 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
6263 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
6264 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
6265 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
6266 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
6268 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
6270 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6272 * c-decl.c (finish_enum): Simplify code to determine minimum and
6273 maximum values of the enum, and calculate the type. Remove check
6274 for FUNCTION_DECLs in the values list, which cannot happen. Replace
6275 the DECL_INITIAL of each enumeration constant with a copy converted
6276 to the enumeration type. When updating variant types, don't bother
6277 updating the type itself.
6279 * c-typeck.c (build_binary_op): Simplify conditional expressions
6280 when weeding out spurious signed-unsigned warnings. Add new
6281 spurious warning category: if the unsigned quantity is an enum
6282 and its maximum value fits in signed_type(result_type). Update
6284 (build_conditional_expr): Warn here if one alternative is signed
6285 and the other is unsigned.
6287 2000-01-05 Nick Clifton <nickc@cygnus.com>
6289 * config/fr30/fr30.h: Remove extraneous comments.
6291 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
6293 * reload1.c (choose_reload_regs): When disabling a reload, also
6294 set reload_spill_index to -1.
6296 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6298 * configure.in (m68*-*-rtemscoff*): New target, formal name for
6300 (m68*-*-rtemself*): New target.
6301 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6302 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6303 (sparc*-*-rtemself*): New target.
6304 (sparc*-*-rtems*): Now elf not a.out.
6305 * config/i386/rtems.h: Include config/rtems.h.
6306 * config/i386/rtemself.h: Include config/rtems.h.
6307 * config/i960/rtems.h: Include config/rtems.h.
6308 * config/m68k/rtems.h: Include config/rtems.h.
6309 * config/m68k/rtemself.h: Include config/rtems.h.
6310 * config/mips/rtems64.h: Include config/rtems.h.
6311 * config/pa/rtems.h: Include config/rtems.h.
6312 * config/rs6000/rtems.h: Include config/rtems.h.
6313 * config/sh/rtems.h: Include config/rtems.h.
6314 * config/sh/rtemself.h: Include config/rtems.h.
6315 * config/sparc/rtems.h: Include config/rtems.h.
6316 * config/sparc/rtemself.h: Include config/rtems.h
6318 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6320 * final.c (shorten_branches): Correctly compute length of
6321 asms without operands.
6323 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6325 * configure.in: Add pj target.
6326 * configure: Regenerate.
6327 * config/pj: New directory.
6328 * config/pj/lib1funcs.S: New file.
6329 * config/pj/linux.h: New file.
6330 * config/pj/pj.c: New file.
6331 * config/pj/pj.md: New file.
6332 * config/pj/pjl.h: New file.
6333 * config/pj/t-pj: New file.
6334 * config/pj/xm-pj.h: New file
6336 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6338 * toplev.c (rest_of_compilation): Run shorten-branches before
6341 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6343 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6344 macros so that they're consistent with their names.
6345 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6346 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6348 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6350 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6351 modified inadvertently.
6353 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6355 * configure.in (v850*-*-rtems*): New target.
6356 * configure: Regenerate.
6357 * config/v850/rtems.h: New file.
6359 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6361 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6362 (__gthread_key_create): Likewise.
6363 (__gthread_key_dtor): Likewise.
6364 (__gthread_once): Fix logic.
6365 (__gthread_key_delete): Cast away constness.
6367 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6368 * invoke.texi: Document.
6369 * i386/mingw32.h (CPP_SPEC): Use.
6370 (LIBGCC_SPEC): Likewise.
6371 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6373 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6375 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6376 (HANDLE_PRAGMA_PACK): Undefine.
6377 (SLOW_UNALIGNED_ACCESS): Define.
6379 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6381 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6382 to default definition.
6383 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6384 (store_fixed_bit_field): Call macro with word_mode and alignment.
6385 (extract_bit_field): Call macro with relevant mode and alignment.
6386 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6387 to default definition.
6388 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6390 (move_by_pieces_ninsns): Likewise.
6391 (clear_by_pieces): Likewise.
6392 (emit_push_insn): Likewise.
6393 (store_field): Call macro with relevant mode and alignment.
6394 (expand_expr): Likewise.
6395 (expand_expr_unaligned): Likewise.
6397 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6398 (SLOW_UNALIGNED_ACCESS): Define.
6399 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6400 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6401 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6402 (toc_section): Likewise and .toc pseudo-op.
6403 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6405 (TEXT_SECTION_ASM_OP): Likewise.
6406 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6409 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6410 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6411 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6412 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6413 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6415 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6417 * regclass.c: Revert my Jan 4 change to loop cost computation.
6419 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6421 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6424 2000-01-04 Stan Cox <scox@cygnus.com>
6426 * haifa-sched.c (build_control_flow): Change unreachable simple
6427 loop test to check if current block has only one predecessor.
6428 (find_rgns): Initialize degree. Use dest as degree index, not src.
6430 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6432 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6434 * calls.c (expand_call): Likewise for
6435 `old_stack_arg_under_construction'.
6437 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6439 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6442 * gcc.c (execute): Likewise for `ut' and `st'.
6444 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6446 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6448 * jump.c (jump_optimize_1): Likewise for `temp2'.
6450 * local-alloc.c (block_alloc): Likewise for `r1'.
6452 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6454 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6455 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6457 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6460 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6461 and `goal_earlyclobber'.
6463 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6465 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6467 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6469 * unroll.c (copy_loop_body): Likewise for `copy'.
6471 * varasm.c (output_constructor): Likewise for `byte'.
6473 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6475 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6476 all FP constants for constant->reg moves.
6477 (ix86_split_to_parts): Try to convert memory address into immediate
6478 when available in the constant pool.
6479 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6481 (LEGITIMATE_CONSTANT_P): Return 1.
6482 * i386.md (pushsf): New splitter to convert constant pool memory
6483 reference to immediate.
6484 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6487 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6489 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6490 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6491 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6492 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6493 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6495 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6497 * ginclude/stdbool.h: Support compilation as C++.
6499 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6501 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6503 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6505 * regclass.c (regclass): Properly compute loop_cost. Adjust
6508 * regclass.c: Fix minor whitespace problems.
6510 2000-01-03 Anthony Green <green@cygnus.com>
6512 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6513 Restore the pic register if required.
6515 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6517 * c-common.c (format_char_info): Update comment.
6518 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6519 was recognized. Emit warning for formats new in ISO C99 only
6520 if flag_isoc9x is not set.
6522 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6524 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6526 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6528 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6529 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6530 (make_compound_operation): Choose cheaper alternative between
6531 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6533 * regclass.c (op_costs): Remove global variable.
6534 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6535 (record_operand_costs): Break out from ...
6536 (scan_one_insn): ... here.
6537 (dump_regclass): Make dumps nicer.
6538 (regclass): Dump preferrences choosed and changes done during passes.
6540 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6542 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6544 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6546 * config/sparc/sparc.c (gen_df_reg): New function.
6547 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6548 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6549 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6550 movtf_cc_reg_sp64+1): Use it.
6552 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6554 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6557 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6559 * config/i386/i386.c (ix86_expand_unary_operator): Function
6560 definition made void.
6561 (ix86_expand_binary_operator): Update outdated preceding comment.
6562 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6565 * config/i386/i386.c (override_options): Fix option-name typo.
6567 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6569 * system.h (CEIL): Define.
6570 * builtins.c (CEIL): Remove.
6571 * expmed.c (CEIL): Likewise.
6572 * expr.c (CEIL): Likewise.
6573 * stor-layout.c (CEIL): Likewise.
6575 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6577 * expr.c (store_constructor_field): Fix typo introduced with last
6580 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6582 * tree.h (BINFO_N_BASETYPES): New macro.
6584 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6586 * expmed.c (emit_store_flag): Prevent losing a pending stack
6587 adjust the same way we prevent losing queued increments.
6589 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6591 * function.c (update_temp_slot_address): Handle case where sum of
6592 temporary address plus offset in register is a valid address.
6594 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6596 * genrecog.c (change_state) Corrected typo.
6598 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6600 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6601 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6602 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6604 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6606 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6607 case, expand GT comparisons correctly. Fix a comment before this
6610 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6612 * dwarfout.c: Include "frame.h"
6613 * dwarf2out.c: Likewise.
6614 * Makefile.in (dwarfout.o): Depend on frame.h
6615 (dwarf2out.o): Likewise.
6617 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6619 Restore i386 binary compatibility in Dwarf EH info.
6620 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6621 value of FIRST_PSEUDO_REGISTER.
6622 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6623 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6624 * dwarfout.c (output_reg_number): Ditto.
6625 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6626 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6628 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6630 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6631 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6632 (<hack>_RE_CT): not needed
6633 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6634 rewritten to scan the file text once only
6635 "template<..." test added
6636 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6637 (is_cxx_header): declaration added
6638 * fixinc/fixtests.c(is_cxx_header): removed
6639 (apply_fix_p_t): removed
6640 (double_slash_test): is_cxx_header is only called once now
6641 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6642 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6643 within the templates.
6644 The borken spelling of "broken" was fixed.
6645 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6646 The default level depends on FIXINC_DEBUG.
6648 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6650 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6651 Otherwise provide a declaration for atexit.
6652 (init_dummy): Make sure dummy call to atexit is nevertheless
6653 called with correct number of args.
6655 * frame.c: Update comments referring to other files.
6657 * libgcc2.c: Likewise.
6659 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6661 * cse.c (free_element, get_element): Remove unused prototypes.
6663 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6666 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6669 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6671 * configure.in,configure: case arm for mn10200-*-* now sets
6672 float_format=i32 so that float.h will correctly claim "double"
6673 to be 32 bits. Ran autoconf to generate configure from .in file.
6675 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6677 * pa.md (conditional zero): If op1 is a register, force it into
6678 the same register as op0.
6680 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6682 * tree.h (BINFO_BASETYPES): Improve documentation.
6684 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6686 * configure.in (--enable-checking): Use a more portable `for'
6689 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6691 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6692 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6694 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6697 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6698 Delete descriptions.
6700 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6701 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6702 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6703 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6704 xm-svr4.h: Remove all instances of sys_siglist handling.
6706 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6708 * config/sparc/sparc.md (cmp_zero_qi,
6709 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6710 cmp_zero_extendqidi2_andcc_set): New patterns.
6712 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6714 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6715 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6716 (fpgnulib.c, xfgnulib.c): Add rules.
6717 * m68k/t-mot3300-gas: Likewise.
6719 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6721 * configure.in: Avoid [[ by using test and changequote. Add
6722 changequote required by 1999-12-14 change.
6723 * configure: Rebuild.
6725 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6727 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6729 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6731 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6732 * flow.c (find_use_as_address): Likewise.
6733 * function.c (fixup_var_refs_1): Likewise.
6734 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6735 * jump.c (invert_exp, redirect_exp): Likewise.
6736 * loop.c (replace_call_address): Likewise.
6737 (count_nonfixed_reads): Likewise.
6738 * rtlanal.c (modified_between_p): Likewise.
6739 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6740 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6741 * unroll.c (remap_split_bivs): Likewise.
6743 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6745 * diagnostic.c (v_message_with_decl): Use .* format specifier
6746 instead of building the format specifier width manually.
6748 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6749 determining whether to provide a prototype. Remove the
6750 sys_siglist clause in the conditional.
6752 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6754 * fold-const.c (operand_equal_p): Use memcmp to compare string
6756 Suggested by D. J. Bernstein
6758 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6760 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6761 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6763 * config/mips/mips.h (TARGET_64BIT): Likewise.
6764 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6765 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6766 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6767 dsps. Give routines proper names if SI/DI modes are not used.
6768 * longlong.h: Use DWunion instead of DIunion.
6770 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6772 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6773 GC_CHECKING, GC_ALWAYS_COLLECT.
6774 * configure.in: Allow --enable-checking with an argument
6775 listing check modes to enable.
6776 * config.in, configure: Rebuilt.
6777 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6778 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6779 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6780 ENABLE_GC_ALWAYS_COLLECT.
6781 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6783 * tree.h, tree.c: Change ENABLE_CHECKING to
6784 ENABLE_TREE_CHECKING throughout.
6786 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6788 * fold-const.c (fold_truthop): Properly check for FP RHS.
6790 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6792 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6793 * toplev.c (note_deferral_of_defined_inline_function): New
6794 function, split out from ...
6795 (rest_of_compilation): ... here. Use it.
6797 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6799 * expr.c (store_constructor): Don't call clear_storage if size is
6802 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6804 * Makefile.in (toplev.o): Depend on loop.h.
6806 * dwarfout.c: Include tm_p.h.
6808 * emit-rtl.c (restore_emit_status): Mark parameter with
6811 * final.c (final_scan_insn): Likewise.
6813 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6814 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6815 flow_depth_first_order_compute, flow_loop_pre_header_find,
6816 flow_loop_tree_node_add, flow_loops_tree_build,
6817 flow_loop_level_compute, flow_loops_level_compute,
6818 flow_loop_outside_edge_p): Add prototypes.
6819 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6821 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6822 Mark with ATTRIBUTE_NORETURN.
6824 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6826 * local-alloc.c (no_conflict_p): Likewise.
6828 * loop.c (insert_bct): Hide definitions of variables with hidden
6830 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6832 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6833 with ATTRIBUTE_UNUSED.
6834 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6835 (reg_scan): Likewise.
6837 * reload.c (find_reloads): Remove unused variables `changed'.
6839 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6841 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6842 Remove unused variable `insn'.
6844 * toplev.c: Include loop.h.
6845 (report_file_and_line): Remove unnecessary prototype.
6847 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6849 * unroll.c (biv_total_increment): Likewise.
6851 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6853 * reload1.c (emit_input_reload_insns): Restore old behaviour
6854 wrt. 'special' reloads.
6856 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6858 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6859 hash.h. (cse.c): Don't depend on hashtab.h.
6861 * cse.c: Don't include hashtab.h.
6862 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6864 * ggc-simple.c: Don't include hash.h.
6866 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6868 * dwarf2out.c (add_abstract_origin_attribute): Call
6869 gen_abstract_function on our function context.
6871 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6873 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6875 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6877 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6880 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6882 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6883 constraints to "a!r".
6885 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6887 * Makefile.in (calls.o): Depend on function.h.
6888 (alias.o): Likewise.
6890 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6892 * reload1.c (emit_reload_insns): Break out code and variables into...
6893 (input_reload_insns, other_input_address_reload_insns,
6894 other_input_reload_insns, input_address_reload_insns,
6895 inpaddr_address_reload_insns, output_reload_insns,
6896 output_address_reload_insns, outaddr_address_reload_insns,
6897 operand_reload_insns, other_operand_reload_insns,
6898 other_output_reload_insns): ... new static variables, and...
6899 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6900 do_output_reload): ... new functions.
6902 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6904 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6906 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6908 * md.texi: Add c4x constraints documentation.
6910 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6912 * config/i386/dgux.c (struct option): Rename to
6913 lang_independent_option.
6914 (struct m_options): Add description field.
6915 (output_options): Rename option type, add sep declaration, output
6916 ix86_cpu_string and ix86_arch_string only if set.
6917 (output_file_start): Rename option type.
6919 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6921 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6923 (libgcc2.a): Similarly.
6925 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6927 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6928 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6929 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6931 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6933 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6934 Remove redundant initialization of "frexpon" and "expon".
6936 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6938 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6940 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6941 (store_constructor_field, expand_expr): Pass new arg.
6943 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6945 * Makefile.in (explow.o): Depend on function.h.
6947 * stor-layout.c (set_sizetype): Fix typo.
6949 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6951 * function.c (cfun): Renamed from current_function. All users
6953 * function.h (cfun): Rename declaration as well.
6955 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6956 to be of type regset_head, not regset. All users changed by adding
6958 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6960 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6962 * config/c4x/rtems.h: New file.
6964 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6966 * reload1.c (spill_failure): Take class of failed reload as argument
6967 and print it. Caller changed.
6969 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6971 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6972 (TARGET_SWITCHES): Allow subtargets to default switches.
6973 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6975 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6977 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6980 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6982 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6983 * cppinit.c (cpp_handle_option): Likewise.
6985 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6986 determine when to define.
6988 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6990 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6991 cmove with mismatched test and data modes.
6993 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6995 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6998 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7000 * alias.c: Minor reformatting.
7003 * stor-layout.c: Likewise.
7004 * fold-const.c: Likewise.
7005 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
7006 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
7008 (size_int_wide): Cache nodes even if garbage collecting.
7009 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
7010 of SAVE_EXPR has no side effects.
7011 * cse.c: Move a comment.
7012 * tree.c: Minor reformatting.
7013 (int_size_in_bytes): Return -1 if constant overflows.
7015 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7017 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
7019 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
7021 * objc/objc-parse.c: Regenerate. This file must be rebuilt
7022 after any change to c-parse.in, even if objc-parse.y didn't
7025 1999-12-18 David S. Miller <davem@redhat.com>
7027 * toplev.c (rest_of_compilation): Restore BLOCK tree
7028 reconstruction and branch shortening changes lost in
7029 December 18th change.
7031 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
7033 * config/arm/linux-elf.h: Change all instances of
7034 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
7035 * config/arm/uclinux-elf.h: Likewise.
7037 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
7039 * toplev.c (notice, vmessage, v_message_with_file_and_line,
7040 v_message_with_decl, file_and_line_for_asm,
7041 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
7042 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
7043 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
7044 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
7045 pfatal_with_name, fatal_io_error, need_error_newline,
7046 last_error_function, last_error_tick, announce_function,
7047 default_print_error_function, print_error_function,
7048 report_error_function, fnotice, error_with_file_and_line,
7049 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
7050 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
7051 warning_with_decl, warning_for_asm, warning, pedwarn,
7052 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
7054 (compile_file): Use fnotice instead of notice. Adjust call.
7056 * diagnostic.c: New file.
7058 * Makefile.in (OBJS): Include diagnostic.o
7059 (diagnostic.o): Define dependence.
7061 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7063 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
7066 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7068 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
7070 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
7072 * fixtests.c (is_cxx_header): New fn, split out of
7074 (else_endif_label): Allow "#endif // comment" in C++ headers,
7075 as determined by is_cxx_header.
7076 * fixfixes.c (else_endif_label_fix): Update comment.
7077 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
7079 * genfixes: Correct double thinko in commandline parsing.
7080 * hackshell.tpl: Generate correct sh syntax for bypass
7083 * inclhack.def (all): Whenever an inserted preprocessor
7084 conditional is split over multiple lines, use double
7085 backslashes in this file so the fixed header will be readable.
7087 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
7088 and add bypass entry for correct version of this header.
7089 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
7090 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
7092 (hpux8_bogus_inlines): New fix, split from...
7093 (ultrix_atof_param) ... here.
7094 (math_expression): Add bypass entry keyed to glibc comment
7095 indicating the problem has been dealt with; disable
7096 unnecessary sed operations; update commentary.
7097 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
7098 add select and bypass entries, simplify shell operation.
7099 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
7101 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
7102 ultrix_atof_param): Add select entry.
7103 (stdio_va_list, sunos_mather_decl): Add bypass entry.
7104 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
7105 comments with the fixes they describe.
7107 * c-parse.in (string action): Do not warn about ANSI string
7108 concatenation in system headers. Affects C parser only.
7109 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
7111 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7113 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
7114 compiling libgcc2 the macro depends always on arch cpp defines.
7116 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
7118 * loop.c (insert_loop_mem): Don't record MEMs from inside
7121 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
7123 * regclass.c (regclass): Do not use flowgraph when not optimizing.
7125 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
7126 notes too, create one when replacement failed, attempt to simplify
7128 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
7131 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7133 * crtstuff.c (__dso_handle): Declare.
7134 (__cxa_finalize): Likewise.
7135 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
7138 * invoke.texi: Document -fuse-cxa-atexit.
7140 * tree.h (ptr_type_node): Document.
7141 (const_ptr_type_node): Likewise.
7143 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7145 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
7146 (optimize_reg_copy_2): Likewise.
7147 (optimize_reg_copy_3): Likewise.
7148 (fixup_match_2): Likewise.
7149 (regmove_optimize): Likewise.
7150 (fixup_match_1): Liekwise.
7152 * i386.md (HI to SImode promoting splitters): Rewrite.
7153 (pushsf mem peep2): New.
7154 (testhi to andhi peep2): Remove.
7155 * i386.h (x86_promote_QImode): New.
7156 (TARGET_PROMOTE_QImode): New.
7157 (PREDICATE_CODES): Add promotable_binary_operator.
7158 * i386.c (x86_promote_QImode0: New.
7159 (promotable_binary_operator): New.
7160 * i386-protos.h (promotable_binary_operator): New.
7162 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
7164 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
7166 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7168 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
7169 * function.c (insert_block_after_note): Remove.
7170 (retrofit_block): Likewise.
7171 (identify_blocks): Fix indentation.
7172 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
7173 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
7174 * function.h (insert_block_after_note): Remove prototype.
7175 (retrofit_block): Likewise.
7176 * integrate.c (expand_inline_function): Don't call
7177 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
7178 just expand_start_bindings. Use the block_map to remap old
7179 NOTE_BLOCKs to new ones.
7180 (integrate_decl_tree): Keep track of remapped blocks.
7181 * integrate.h (struct inline_remap): Add block_map.
7182 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
7183 NOTE_BLOCK on the notes.
7184 (expand_start_bindings): Rename to ...
7185 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
7186 (expand_end_bindings): Set NOTE_BLOCK.
7187 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
7188 reconstruct the BLOCK tree.
7189 * tree.h (expand_start_bindings): Macroize. Call ...
7190 (expand_start_bindings_and_block): New function.
7192 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7194 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
7195 to match the format.
7197 1999-12-16 David S. Miller <davem@redhat.com>
7199 * expr.c (emit_move_insn_1): Only emit clobbers if one of
7200 the outputs is a SUBREG.
7201 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
7204 * config/sparc/sparc.c (epilogue_renumber): Add default case
7207 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7209 * toplev.c (rest_of_compilation): Run branch shortening after
7212 * regclass.c (loop_depth): Remove
7213 (scan_one_insn): Do not handle LOOP_NOTE insns.
7214 (regclass): Go through basic blocks and set loop_cost
7216 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
7218 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
7220 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7222 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
7223 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
7224 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
7226 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
7228 * loop.c (insert_loop_mem): Ignore memory clobbers.
7230 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
7233 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
7235 * profile.c: Remove redundant #include "output.h".
7237 * h8300.md (HImode preinc peephole): Fix typo.
7239 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7241 * function.c (retrofit_block): Abort if we don't find a suitable insn.
7242 (insert_block_after_note): Abort if we don't have a previous block.
7243 Remove FN parameter.
7244 * function.h: Adjust.
7246 1999-12-15 Mark Mitchell <mark@codesourcery.com>
7248 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
7249 argument more than once.
7251 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7253 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
7255 1999-12-15 Jakub Jelinek <jakub@redhat.com>
7257 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
7259 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7261 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
7262 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
7263 update stack_alignment_needed.
7264 (prepare_function_start): Initialize stack_alignment_needed
7265 * function.h (struct function): Add field stack_alignment_needed.
7267 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7269 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
7270 Handle live_throughout / dead_or_set instead of live_before /
7272 (save_call_clobbered_regs): Get register livenessinformation from
7273 chain->live_throughout.
7274 (add_stored_regs): New function.
7275 (insert_restore, insert_save): Add restored / saved registers to
7277 * global.c (reg_dies): New parameter chain.
7278 (reg_becomes_live): Third parameter is regs_set now.
7279 Changed all callers.
7280 (reg_dies): New parameter chain. Changed all callers.
7281 (build_insn_chain): Set live_throughout instead of
7282 live_before / live_after.
7283 * reload.h (struct insn_chain): Replace members live_before /
7284 live_after with live_throughout / dead_or_set.
7285 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
7286 instead of live_before / live_after.
7287 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
7288 (order_regs_for_reload, find_reg, finish_spills): Likewise.
7289 (choose_reload_regs_init): Likewise.
7290 * stupid.c (current_chain, find_clobbered_regs): Delete.
7291 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
7292 instead of chain->live_before / chain->live_after.
7293 (mark_hard_ref): New function.
7294 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
7296 1999-12-15 David S. Miller <davem@redhat.com>
7298 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
7300 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7302 * flow.c (calculate_loop_depth): Make global, remove prototype,
7303 rewrite to use new loop infrastructure.
7304 (find_basic_block): Remove calculate_loop_depth call.
7305 * toplev.c (rest_of_compilation): Call find_basic_block.
7306 * output.h (calculate_loop_depth): Declare.
7308 * flow.c (dump_flow_info): Dump loop_depth.
7309 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7311 (flow_loops_find): Initialize the loop_depth for each basic block.
7313 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7315 * tree.c (decl_function_context): Handle virtual functions.
7317 * tlink.c (scan_linker_output): Don't look in demangled name when
7318 looking for linker output keywords.
7320 * dwarfout.c (output_type): We can defer namespace-scope classes.
7322 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7324 * regclass.c (record_reg_classes): Update comment for merging
7325 register class preferences in reg->reg copies. Tighten conditions
7326 for merging register class preferences in reg->reg copies.
7328 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7330 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7332 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7334 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7335 (INIT_SECTION_ASM_OP): Delete.
7336 (FINI_SECTION_ASM_OP): Delete.
7337 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7339 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7341 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7342 the abstract origin wasn't emitted.
7344 * dwarf2out.c (class_scope_p): New fn.
7345 (gen_subprogram_die): Use it.
7346 (gen_variable_die): Use it. Tweak logic.
7347 (gen_struct_or_union_type_die): Check context_die to determine
7348 if we're function-local.
7349 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7351 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7353 * loop.c (check_dbra_loop): Can't reverse a biv that has
7356 1999-12-14 Nick Clifton <nickc@cygnus.com>
7358 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7361 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7363 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7364 for givs made from biv increments.
7366 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7368 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7369 * alpha.c (override_options): Recognize -mcpu=ev67.
7370 * alpha.h (CPP_CPU_EV67_SPEC): New.
7371 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7372 (EXTRA_SPECS): Update.
7374 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7376 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7377 appropriate for -lang-c89 and -std=*.
7378 * cppinit.c (cpp_handle_option): Likewise.
7379 (new_pending_define): New, split out from cpp_handle_option.
7380 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7381 or enable trigraphs for -ansi/-std=*.
7383 * ginclude/stdarg.h (__va_copy): New.
7384 (va_copy): Don't define for C89.
7386 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7388 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7389 for long long multiply-accumulate.
7391 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7393 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7394 optimizing for size.
7396 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7398 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7399 if something changed. Back out that part of yesterday's changes.
7401 * loop.c (loop_max_reg): New static variable.
7402 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7404 (scan_loop): Call reg_scan_update whenever we may have added new
7405 registers, and update loop_max_reg.
7407 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7409 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7410 when source does not die.
7412 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7414 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7416 * config/sparc/linux64.h (TARGET_LIVE_G0,
7417 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7419 * config/sparc/linux.h (TARGET_LIVE_G0,
7420 TARGET_BROKEN_SAVERESTORE): Likewise.
7421 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7422 TARGET_BROKEN_SAVERESTORE): Likewise.
7424 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7425 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7427 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7428 as sparc64 block profiling register.
7429 * config/sparc/sparc.c (sparc_override_options): Allow block
7430 profiling with -m32.
7431 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7433 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7434 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7435 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7437 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7439 * config/sparc/sparc.h: Likewise.
7440 * config/sparc/xm-sysv4-64.h: Likewise.
7441 * config/float-sparc.h: Likewise.
7442 * glimits.h: Likewise.
7443 * longlong.h: Likewise.
7445 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7446 (ASM_IDENTIFY_GCC): Remove.
7448 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7450 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7451 (simplify_logical): Likewise.
7453 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7455 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7456 * cppfiles.c (INO_T_EQ): Likewise.
7458 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7460 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7461 * i386/mingw32.h (LIB_SPEC): Likewise.
7462 (STARTFILE_SPEC): Likewise.
7463 * i386/uwin.h (LIB_SPEC): Likewise.
7464 (STARTFILE_SPEC): Likewise.
7466 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7467 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7469 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7471 * combine.c (combine_simplify_rtx): Fix order of checks for
7472 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7474 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7476 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7477 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7479 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7481 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7483 * regclass.c (inv_reg_alloc_order): New array.
7484 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7486 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7487 counted_for_groups, counted_for_nongroups. Add fields rld and
7489 * reload.c (push_secondary_reload): Don't set nongroup field of
7491 (push_reload): Likewise.
7492 (find_reloads): Delete code to compute nongroup fields.
7493 * reload1.c (reload_insn_firstobj): New static variable.
7494 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7496 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7497 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7498 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7500 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7502 (struct hard_reg_n_uses): Deleted.
7503 (potential_reload_regs): Deleted.
7504 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7505 (reload): Don't try to allocate reload registers if we already know
7506 we have to make another pass. Call select_reload_regs. Free memory
7507 starting with reload_firstobj when starting another pass.
7508 Don't allocate spilled_pseudos.
7509 (calculate_needs_all_insns): Call copy_reloads for an insn that
7510 needs reloads; don't call calculate_needs.
7511 (spill_cost): New static array.
7512 (used_spill_regs_local): New static variable.
7513 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7514 to compute potential_reload_regs.
7515 (find_reload_regs): Completely rewritten to use find_reg.
7516 (allocate_reload_reg): Don't test counted_for_groups or
7517 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7519 (choose_reload_regs): Add fallback code that uses the existing
7520 register allocation from find_reload_regs.
7522 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7524 * flow.c (create_edge_list): Cast xmalloc return value.
7526 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7528 * doprnt.c: Remove incorrect comment closure.
7530 * cse.c: Fix a few minor whitespace goofs.
7532 1999-12-13 Don Bowman <don@pixstream.com>
7534 * mips/vxworks.h: Fix problem with comment termination.
7535 (EXTRA_SECTIONS): Add in_sbss.
7536 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7538 1999-12-12 David S. Miller <davem@redhat.com>
7540 * cse.c (struct cse_reg_info): Add hash_next member,
7541 reorder rest of struct for better packing on 64-bit
7543 (cse_reg_info_tree): Kill.
7544 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7545 REGHASH_FN): New custom pow2 hash mechanism.
7547 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7548 use a pow2 hash table.
7549 (get_cse_reg_info): Rework to use new REGHASH.
7550 (new_basic_block): Likewise, use HASH_SIZE, and inline
7552 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7553 and inline free_element call.
7554 (lookup_as_function, insert, flush_hash_table, invalidate,
7555 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7556 invalidate_for_call, use_related_value, find_comparison_args,
7557 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7558 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7561 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7563 * cse.c (cse_basic_block): Free qty_table consistently.
7565 1999-12-12 David S. Miller <davem@redhat.com>
7566 Jakub Jelinek <jakub@redhat.com>
7568 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7569 SUBREGs by hand, gen the appropriate hard reg directly.
7570 (movtf reg/mem split): Likewise and alter_subreg on destination
7572 (movtf mem/reg split): Similarly.
7573 (movdf_cc_sp64): Rename from hidden pattern.
7574 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7575 (movtf_cc_sp64, following split): New pattern and splitter.
7576 (movdf_cc_reg_sp64): Rename from hidden pattern.
7577 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7579 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7581 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7583 * loop.c (load_mems): Don't hoist written floating point mem
7586 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7588 * except.h (struct eh_queue): Add `next' pointer.
7589 (struct eh_status): Make x_ehqueue a pointer.
7590 (push_ehqueue): Declare.
7591 (pop_ehqueue): Likewise.
7592 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7594 (expand_fixup_region_end): Likewise.
7595 (expand_leftover_cleanups): Likewise.
7596 (push_ehqueue): Define.
7597 (pop_ehqueue): Likewise.
7598 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7599 than doing it inline.
7600 (expand_start_all_catch): Adjust now that ehqueue is a
7602 (mark_eh_queue): Mark all level of the queue.
7603 (mark_eh_status): Adjust now that ehqueue is a
7605 (init_eh_for_function): Allocate ehqueue.
7606 (free_eh_status): Free it.
7607 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7608 expansion for a fixup.
7610 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7612 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7614 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7615 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7616 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7617 function_ptr, getpagesize, __enable_execute_stack,
7618 __enable_execute_stack, __clear_insn_cache,
7619 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7620 _cleanup, _exit, __default_terminate, __terminate_func,
7621 __terminate, __empty, __throw, new_eh_context,
7622 eh_context_initialize, eh_context_static, eh_context_specific,
7623 get_eh_context, __get_eh_context, __get_eh_info,
7624 init_reg_size_table, eh_threads_initialize,
7625 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7626 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7627 __pure_virtual): Add prototype arguments.
7628 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7629 Cast a signed value to unsigned long when comparing against one.
7630 (new_eh_context): Wrap in _GTHREADS macro.
7631 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7633 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7634 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7636 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7638 * combine.c (record_promoted_value): Remove unused variable
7641 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7643 * global.c (record_conflicts): Likewise for `j'.
7645 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7648 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7650 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7651 output_fp_compare): Constify a char*.
7653 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7655 (override_options, ix86_comp_type_attributes, print_operand,
7656 output_387_binary_op, output_fix_trunc, output_fp_compare):
7658 (ix86_sched_reorder): Mark parameter `clock_var' with
7661 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7663 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7665 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7666 operand, for use in the Java front-end.
7668 1999-12-10 Ben Collins <bcollins@debian.org>
7670 * configure.in: Fix typo for "-64" in 64bit as check.
7671 * configure: Rebuilt.
7673 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7675 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7678 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7680 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7681 concatenation is utilized.
7683 * invoke.texi (-Wtraditional): Document it.
7685 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7687 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7688 Cast a ptrdiff_t to long and pass it to printf with %ld.
7690 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7692 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7693 68881, we have no 68881 registers at all.
7694 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7695 value in a 68881 register if it is available.
7697 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7699 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7700 for long long multiply-accumulate.
7702 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7704 * loop.c (insert_loop_mem): Undo last change.
7706 1999-12-10 David S. Miller <davem@redhat.com>
7708 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7710 * config/sparc/sparc-protos.h: Add them.
7711 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7712 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7713 constraints which use those helpers.
7714 (EXTRA_CONSTRAINT): Use this new macro.
7715 * md.texi: Update sparc target constraints documentation.
7716 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7717 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7718 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7719 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7720 (movsf high/lo_sum split): Rework for new patterns.
7721 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7723 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7725 * c-common.c (c_common_nodes_and_builtins):
7726 Create __builtin_ptrdiff_t and __builtin_size_t.
7728 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7730 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7732 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7734 * regclass.c (globalize_reg): Re-instate test that allows
7735 fixed registers to be declared as a variable even after functions
7738 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7740 * i386.md (cpu attribute): Add "athlon".
7741 (athlon_decode): New attribute.
7742 (Athlon scheduling units definitions): New.
7743 (fcmp and shld patterns): Set athlon_decode to "vector".
7744 * i386.c (athlon_cost): New.
7746 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7747 x86_use_sahf): Set for Athlon.
7748 (x86_use_fiop): Unset for Athlon.
7749 (override_options): Define Athlon alignments and "athlon" name.
7750 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7751 * i386.h (TARGET_ATHLON): New.
7752 (enum processor_type): Add PROCESSOR_ATHLON.
7753 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7755 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7757 1999-12-09 Andreas Jaeger <aj@suse.de>
7759 * loop.c (record_biv): Declare parameter as int.
7761 * config/i386/i386-protos.h: Declare long_memory_operand.
7763 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7765 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7766 EXPR_WITH_FILE_LOCATION.
7768 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7770 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7773 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7775 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7778 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7780 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7781 default on linux64 again.
7782 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7783 models for multilibing.
7784 * genmultilib: Accept | as alternative separator within a set in
7787 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7789 * calls.c (precompute_arguments): Make sure initial_value contains
7790 value pseudo which CSE expects.
7791 * cse.c (struct set): New entry orig_src.
7792 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7795 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7797 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7799 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7801 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7803 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7805 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7806 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7808 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7811 * longlong.h: Merge in changes from glibc.
7812 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7813 -mno-app-regs libgcc can be compiled.
7814 * libgcc2.c: Add defines so that the updated longlong.h
7815 can be used in libgcc2.a. Also, make sure on most architectures
7816 (at least on all which have optimized code in longlong.h defined
7817 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7819 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7821 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7822 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7823 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7825 * configure: Rebuilt.
7827 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7829 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7830 outputs require a register.
7832 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7834 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7835 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7836 functions like dptoul will be resolved.
7837 (libgcc2.a): Make sure that the object files from DPBIT are named
7838 differently (prefix `_dp') from those that would be coming from
7841 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7843 * configure.in: When target is sparc* and tm_file contains 64,
7844 test for 64bit support in assembler. If not supported, remove
7845 sparc/t-sol2-64 from target-dependent Makefile fragments.
7846 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7847 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7848 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7849 * acconfig.h (AS_SPARC64_FLAG): Added.
7850 * configure, config.in: Rebuilt.
7851 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7852 support. Use AS_SPARC64_FLAG.
7854 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7856 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7857 suitable for holding OFmode values so that gcc works with complex
7859 (hard_64bit_mode_classes): Likewise.
7861 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7862 so that it is actually matched.
7863 (sethi_di_medlow): Likewise.
7865 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7866 as legitimate constant if -mvis.
7867 * config/sparc/sparc.md (movtf): Likewise.
7868 (clear_sf): Use const_double_operand.
7869 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7871 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7872 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7873 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7874 routines, _Qp_* cannot be handled like that now.
7875 (INIT_TARGET_OPTABS): Likewise.
7876 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7877 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7878 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7879 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7880 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7881 divtf3, sqrttf3): New expanders.
7882 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7883 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7884 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7887 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7888 * configure: Rebuilt.
7889 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7890 -mcpu is given and we're doing 64bit compiles.
7892 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7894 * loop.h (struct induction): Add multi_insn_incr.
7895 * loop.c (basic_induction_var): New multi_insn_incr argument.
7896 Set it if we search back through previous insns for the biv.
7897 (record_biv): New multi_insn_incr argument; fill in struct induction.
7898 (strength_reduce): Discard an iv with multiple bivs, any of
7899 which require multiple insns to increment.
7901 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7903 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7906 1999-12-06 David S. Miller <davem@redhat.com>
7908 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7909 PROMOTE_FUNCTION_RETURN.
7911 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7913 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7914 and handle REG_UNUSED note on insn.
7916 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7917 inner_mask instead of mask.
7919 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7921 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7922 zero if there was an error.
7924 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7926 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7929 * longlong.h: Fix clobbers in SPARC asm statements.
7931 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7932 valid sethi operations when TARGET_ARCH64.
7934 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7935 always use move_by_pieces to avoid infinite recursion.
7936 (restore_fixed_argument_area): Likewise.
7938 * combine.c (check_promoted_subreg, record_promoted_value): New
7940 (combine_instructions): Use them to retain nonzero and sign bit
7941 information after SUBREGs are eliminated by optimizations in
7942 this pass if PROMOTE_FUNCTION_RETURN.
7944 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7945 .register declaration. Don't use variables with __ prefixes.
7947 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7949 * fold-const.c (optimize_bit_field_compare): Only use one mode
7950 for both RHS and LHS in non-constant case.
7952 1999-12-06 Nathan Sidwell <nathan@acm.org>
7954 * frame.c (start_fde_sort): Only allocate erratic array, if
7955 linear one was allocated. Return allocated flag.
7956 (fde_insert): Only insert, if there's a valid array.
7957 (fde_end_sort): Split, sort and merge if linear and erratic
7958 arrays exist, else just sort linear one.
7959 (search_fdes): New function. Linear search through original fde
7961 (frame_init): Permit multiple initializations. Cope with
7963 (find_fde): Fallback on linear search, if failed to sort array.
7964 (__deregister_frame_info): Only free sorted array, if we
7967 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7969 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7971 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7973 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7975 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7977 * tree.h (special_function_p): Declare.
7978 * calls.c (special_function_p): Make it global. Don't take `name'
7979 as a parameter. Fix typo in 1999-11-28 change.
7980 (expand_cal): Adjust.
7982 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7984 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7985 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7986 EXPR_WFL_FILENAME_NODE.
7987 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7989 * print-tree.c (print_note): Print TREE_PRIVATE and
7992 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7993 the original die cannot be found.
7995 * varray.h (varray_head_tag): Add elements_used.
7996 (VARRAY_PUSH): New macro.
7997 (VARRAY_POP): Likewise.
7998 (VARRAY_TOP): Likewise.
7999 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
8001 * varray.c (varray_init): Initialize elements_used.
8002 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
8003 (INTEGRATE_H): New variable.
8004 (integrate.o): Depend on INTEGRATE_H.
8005 (unroll.o): Likewise.
8007 * function.h (insert_block_after_note): Declare.
8008 * function.c (insert_block_after_note): Split out from ...
8009 (retrofit_block): ... here.
8011 * stmt.c (expand_fixup): Fix typo in comment.
8013 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8015 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
8016 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
8017 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
8018 (regmove_optimize, fixup_match_1): Likewise.
8020 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8022 * flow.c (flow_loops_dump): Add missing argument when calling
8025 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
8026 Greg McGary <gkm@gnu.org>
8028 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
8029 (init_attributes): Add A_NO_LIMIT_STACK.
8030 (decl_attributes): Handle A_NO_LIMIT_STACK.
8031 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
8032 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
8033 Handle stack bounds checking.
8034 * flags.h (flag_stack_check): Use the word 'probe' rather than
8035 'check', because the flag doesn't actually cause any checking to
8037 * function.c (expand_function_start): Set
8038 current_function_limit_stack.
8039 * function.h (struct function): Add limit_stack.
8040 (current_function_limit_stack): Define.
8041 * invoke.texi (Code Gen Options): Document new options.
8042 * rtl.h: Declare stack_limit_rtx.
8043 * toplev.c (stack_limit_rtx): New variable.
8044 (decode_f_option): Handle new options -fstack-limit-register=REG,
8045 -fstack-limit-symbol=IDENT, -fno-stack-limit.
8046 (main): Add stack_limit_rtx as GC root.
8047 * tree.h (DECL_NO_LIMIT_STACK): New macro.
8048 (struct tree_decl): New member no_limit_stack.
8050 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
8052 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
8053 (conditional_trap+1): Get new mnemonic correct.
8054 (conditional_trap+2): New pattern for DImode traps.
8056 * config/m68k/m68k.c (output_function_prologue): Handle
8058 * config/m68k/m68k.md (trap): New insn.
8059 (conditional_trap): New insn.
8060 * md.texi (Standard Names): Document `trap' and
8062 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
8063 so a cc0 setter doesn't get emitted at some random place in the
8066 * config/i960/i960.md (trap): New insn.
8067 (conditional_trap): New expander.
8068 (conditional_trap+1, conditional_trap+2): New insns for signed
8070 * config/i960/i960.c (i960_function_prologue): Use
8071 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
8073 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
8074 Geoffrey Keating <geoffk@cygnus.com>
8076 * flags.h (warn_padded, warn_packed): Add global var decls.
8077 * toplev.c (warn_padded, warn_packed): Add global var defns.
8078 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
8079 * stor-layout.c (layout_record): Add local variable `type'
8080 to hold often-used TREE_TYPE (field). Add local variable
8081 `unpacked_align' to hold alignment that would be in force
8082 if no `packed' attribute were present. Warn if `packed' attribute
8083 is unnecessary, or even harmful. Warn when gcc inserts padding
8084 to satisfy alignment requirements of members. Use NULL_TREE
8085 when checking whether var_size is set.
8086 * invoke.texi: Document new flags.
8088 1999-12-03 Nathan Sidwell <nathan@acm.org>
8090 * frame.c (fde_split): Reimplement to avoid variable sized array.
8092 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8094 * combine.c (try_combine): Before fixing up LOG_LINKS for the
8095 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
8097 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
8099 * invoke.texi: Document the mips option -mno-crt0
8101 1999-12-02 Mike Karr <mkarr@mathworks.com>
8103 * cccp.c (argdata): Added free_ptr member.
8104 (macroexpand): Initialize free_ptr of each argument. When an
8105 argument's buffers are freed, if the argument's free_ptr corresponds
8106 to a buffer on the input stack, then return the free_ptr to that stack
8107 frame, otherwise, free it.
8108 (macarg): If an argument begins and ends on the same input stack level,
8109 then transfer the free_ptr of that buffer to the argument in case
8110 the stack is popped during the processing of a subsequent argument.
8112 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
8114 * loop.c (note_reg_stored): New function.
8115 (struct note_reg_stored_arg): New structure.
8116 (try_copy_prop): Change to be more conservative; only replace within
8117 one extended basic block and stop replacing if a store to the
8118 replacement reg is seen.
8120 1999-12-02 Nick Clifton <nickc@cygnus.com>
8122 * config/fp-bit.c: Initialise all fields of the NAN
8125 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
8128 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8130 * i386.md (extend?f?f2): Force the input into a register, not
8133 1999-12-01 Jakub Jelinek <jakub@redhat.com>
8135 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
8137 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
8138 alternative because setting up 64bit constant is usually costly,
8139 especially when reload is in progress or completed.
8140 (movdf_const_intreg_sp64): Likewise.
8141 (movdf_const_intreg split): Fix building up constants when
8142 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
8144 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
8146 * combine.c (if_then_else_cond): Use const_true_rtx instead of
8147 const1_rtx for return values in EQ/NE comparison against (const_int 0)
8150 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
8151 (asm_file_start): Emit .am33 into assembly file when compiling for
8153 (print_operand_address): Handle POST_INC addresses.
8154 (can_use_return_insn, initial_offset): Check AM33 registers too.
8155 (expand_prologue): Check & save AM33 registers too.
8156 (expand_epilogue): Similarly.
8157 (secondary_reload_class): Handle AM33 specific secondary reloads.
8158 (output_tst): Emit efficient code for the AM33 too.
8159 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
8160 (TARGET_SWITCHES): Add -mam33 switch.
8161 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
8162 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
8163 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
8164 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
8165 (enum reg_class, REG_CLASS_NAMES): Likewise.
8166 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
8167 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
8168 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
8169 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
8170 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
8171 (HAVE_POST_INCREMENT): Define.
8172 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
8173 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
8174 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
8175 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
8176 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
8177 (zero_extend to SI from QI/HI): Likewise.
8178 (sign_extend to SI from QI/HI): Likewise.
8179 (mulsidi3, umulsidi3): New patterns for the AM33.
8180 (tstsi with zero extension from QI/HI): Add AM33 variants.
8181 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
8182 (return_internal_regs, store_movm): Handle new AM33 registers.
8183 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
8184 (LIBGCC, INSTALL_LIBGCC): Likewise.
8185 * invoke.texi: Document new flags.
8187 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8189 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
8190 (addsi3_carry): Likewise.
8191 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
8192 (sbbsi3_carry): Likewise.
8193 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
8195 (test?i_1): Ensure that only one operand is memory.
8196 (conditional move patterns): likewise.
8197 (shift and rotate patterns): Rewrite to expander, add
8198 "binary_operator_ok" to the condition.
8200 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
8201 * i386.h (procesor_costs): Add movzbl_load field.
8202 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
8203 non-Q registers, accept DImode registers anywhere.
8205 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
8206 * i386.c (*_cost): Set value for movxbl_load field.
8208 * (addsi): New add to lea splitter.
8210 (lea to add/shift peep2): New.
8212 1999-12-01 Mark Salter <msalter@cygnus.com>
8214 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
8215 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
8216 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
8218 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8220 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
8221 * i386.md (movsi_xor): New.
8223 (movsi_1, movhi_1, movqi_1): Remove.
8224 (movsi_2): Rename to movsi_1.
8225 (movhi_2): Rename to movhi_1.
8226 (movqi_2): Rename to movqi_1.
8227 (movdi_1): Remove; remove splitter.
8228 (movdi_2): Rename to movdi_1.
8229 (divmodsi4 splitter): Do not emit clobbers for move patterns.
8230 (long move peep2): Do not create QI or HI mode mov0s
8231 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
8233 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
8236 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
8237 (abs?f2_if): Likewise.
8239 1999-11-30 Alex Samuel <samuel@codesourcery.com>
8241 * ggc.h (ggc_test_and_set_mark): New macro.
8242 (ggc_mark_rtx): Use ggc_test_and_set_mark.
8243 (ggc_mark_tree): Likewise.
8244 (ggc_mark_rtvec): Likewise.
8245 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
8247 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
8249 * dwarf2out.c (scope_die_for): Only handle types. Only search for
8251 (decl_scope_table): Just an array of trees now.
8252 (push_decl_scope): Simplify.
8253 (dwarf2out_init): Adjust.
8254 (local_scope_p): New fn.
8255 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
8256 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
8257 (gen_typedef_die): Likewise.
8258 (gen_lexical_block_die): Don't call push/pop_decl_scope.
8259 (gen_inlined_subroutine_die): Likewise.
8260 (gen_abstract_function): Set current_function_decl temporarily.
8261 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
8262 Handle block extern declarations. Don't call push/pop_decl_scope.
8263 (gen_decl_die): Fix logic for block externs.
8265 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8267 * calls.c (special_function_p): Remove `realloc' and add `strdup'
8268 to the list of functions which have attribute malloc by default.
8270 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8272 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
8273 integer constant does not match the traditional type, limit the
8274 warnings to cases where the base of the type is ten.
8276 * invoke.texi (-Wtraditional): Document it.
8278 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8280 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
8281 * rs6000.md: Only access a CONST_INT with INTVAL
8283 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
8285 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
8286 (compute_nearerout): Likewise.
8287 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
8288 size_t to unsigned long for formatting.
8290 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8292 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
8293 Allow the user to override call-used/fixed state of %g2-5
8294 registers from the command line (with the exception of %g4 for
8296 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
8297 there is a higher chance of having a leaf function.
8298 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
8299 for ARCH64 which has %ccr register.
8300 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8302 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8303 insn accept into delay slot any insn which does not use %[ol]
8304 registers. Accept some LO_SUM and shift left by 1 for the normal
8306 (output_function_epilogue): Likewise.
8307 (epilogue_renumber): Added argument which inhibits any renumbering
8308 and just tests if the rtx does not use any %[ol] registers.
8309 (output_return): Reflect above change.
8311 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8313 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8314 aggregate passing for sizes <= 16 bytes.
8316 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8318 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8319 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8320 * reload.c (find_dummy_reload): Likewise.
8321 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8322 * reload1.c (reload_as_needed): Likewise.
8323 * stupid.c (stupid_find_reg): Likewise.
8324 * tm.texi (Obsolete Register Macros): Delete section.
8325 * gmicro.h: Remove all traces of the two macros.
8330 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8332 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8333 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8334 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8335 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8336 units for the sparclite86x chip.
8337 (flush): Revert October 14th change; add SImode specifically.
8338 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8339 * invoke.texi: Document it.
8341 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8343 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8344 psimode_truncation_operand.
8346 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8347 function. Return true if the operand is either a MEM valid
8348 for a PSImode address or not a MEM at all.
8350 * config/mn10200/mn10200.md (truncsipsi2): Use
8351 psimode_truncation_operand.
8353 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8355 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8356 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8357 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8358 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8359 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8360 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8361 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8362 * basic-block.h: Protect from multiple inclusion.
8363 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8364 (struct loops, struct loop): Define structures.
8365 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8366 * sbitmap.h: Protect from multiple inclusion.
8367 (sbitmap_a_subset_b_p): Add prototype.
8368 * Makefile.in (LOOP_H): New macro.
8369 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8371 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8373 * cppinit.c (CAT): The argument list of this macro may not contain
8376 1999-11-29 David S. Miller <davem@redhat.com>
8378 Move quantity tables and register equivalence chains into
8379 per-qty and per-register structure arrays respectively.
8380 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8381 qty_const_insn, qty_comparison_code, qty_comparison_const,
8382 qty_comparison_qty): Delete, replace with...
8383 (qty_table): this structure table.
8384 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8385 (reg_eqv_table): this structure table.
8386 (make_new_qty): Add argument MODE. Caller updated.
8387 Update to use qty_table and reg_eqv_table.
8388 (make_regs_eqv, delete_reg_equiv, insert_regs,
8389 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8390 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8391 cse_process_notes, cse_main, cse_basic_block): Likewise.
8393 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8395 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8396 operation if C is negative.
8397 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8398 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8399 law for some divisions if constant is negative and change other
8400 divisions to the opposite rounding.
8402 * expr.c (store_constructor_field): If bit position is not multiple
8403 of alignment of TARGET's mode, use BLKmode.
8405 * expr.c (expand_expr_unaligned): Add more code from full case
8406 that is needed when OP0 is in a register.
8408 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8410 * dwarfout.c (field_byte_offset): Size can be zero if there was
8413 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8415 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8416 (associate_trees): Delete unused var TEM.
8417 (extract_muldiv): Delete unused var CANCEL_P.
8419 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8420 (target_isinf, target_isnan, target_negative): Add return types to
8421 function definitions.
8423 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8425 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8426 * fixinc/hackshell.tpl: ditto
8427 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8428 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8430 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8432 * reload.c (push_reload): When looking for a register to put into
8433 reg_rtx, make sure all hard regs in a multi-reg register are in the
8434 right class and nonfixed.
8436 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8437 pending_read_insns, pending_write_insns, pending_read_mems,
8438 pending_write_mems, pending_list_length, last_pending_memory_flush,
8439 last_function_call, sched_before_next_call): Move static variables
8441 (bb_ prefixed versions): Replace with single array bb_deps.
8442 (struct deps): New structure.
8443 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8444 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8445 argument of type "struct deps *"; use that instead of global
8446 variables. All callers changed.
8447 (init_rgn_data_dependencies): Delete function.
8448 (init_rtx_vector): Delete function.
8449 (init_deps): New function.
8451 (free_pending_lists): Simplify, we always use the bb_deps array even
8452 if only one basic block.
8453 (compute_block_backward_dependences): Likewise.
8454 (schedule_region): Likewise.
8456 (propagate_deps): New function, broken out of
8457 compute_block_backward_dependences.
8458 (compute_block_backward_dependences): Use it.
8460 * alpha.md: Delete useless patterns that tried to work around
8461 register elimination problems.
8463 * unroll.c (loop_iterations): Don't abort if iteration variable
8466 From Joern Rennecke:
8467 * reload1.c (reloads_conflict): Reverse test comparing operand
8468 numbers when testing for conflict between output/outaddr reloads.
8470 1999-11-29 David S. Miller <davem@redhat.com>
8472 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8474 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8476 1999-11-28 Robert Lipe <robertl@cygnus.com>
8478 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8479 table from .fini into .dtor.
8481 1999-11-28 Anthony Green <green@cygnus.com>
8483 * tree.h (struct tree_decl): Add malloc_flag.
8484 (DECL_IS_MALLOC): Define.
8485 * c-common.c (attrs): Add A_MALLOC attribute.
8486 (init_attributes): Add this attribute to the table.
8487 (decl_attributes): Handle malloc attribute.
8488 * calls.c (special_function_p): Check for the malloc attribute.
8489 * extend.texi (Function Attributes): Document malloc attribute.
8491 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8493 * pa.md (reload shift-add patterns): Remove.
8495 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8497 * reorg.c (dbr_schedule) Print more statistics. Corrected
8498 problem when printing info when 3 delay slots are filled.
8500 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8502 * combine.c (setup_incoming_promotions): Pass an outgoing
8503 regno to FUNCTION_ARG_REGNO_P which it expects.
8505 1999-11-28 Andreas Jaeger <aj@suse.de>
8507 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8509 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8511 * cccp.c (do_include): Avoid initialization of automatic variable.
8513 * integrate.c (mark_stores): Function definition made void, to match
8514 previous declaration.
8515 * regclass.c (dump_regclass): Ditto.
8516 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8518 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8520 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8521 known to be multiple of divisor.
8523 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8525 * combine.c (try_combine): Add code to try to merge a set of a
8526 two-word pseudo to a constant with a setting of one of those words
8529 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8530 (split_tree): Completely rework to make more general.
8531 (make_range, fold): Call negate_expr.
8532 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8533 (fold, associate): Call new split_tree and associate_trees.
8534 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8536 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8538 * loop.c (try_copy_prop): Avoid GNU C extension.
8540 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8542 * except.c (init_eh_for_function): Still zero eh_return_context,
8543 eh_return_stack_adjust, and eh_return_handler.
8545 * except.h (eh_status): Adjust documentation for x_protect_list.
8546 (begin_protect_partials): New function.
8547 * except.c (enqueue_eh_entry): Fix formatting.
8548 (get_first_handler): Add consistency check.
8549 (add_partial_entry): Adjust usage of protect_list.
8550 (emit_cleanup_handler): Save and restore ehqueue.
8551 (expand_start_all_catch): Add comment.
8552 (begin_protect_partials): New function.
8553 (end_protect_partials): Adjust usage of protect_list.
8554 (init_eh_for_function): Use xcalloc.
8556 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8558 * c-common.c (check_format_info): Don't call a variadic function
8559 with a non-literal format string.
8561 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8563 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8564 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8567 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8570 * collect2.c (collect_wait): Likewise.
8572 * dbxout.c (dbxout_type): Likewise.
8574 * gcc.c (do_spec_1): Likewise.
8576 * genemit.c (gen_insn, gen_expand): Likewise.
8578 * genrecog.c (write_switch, write_subroutine): Likewise.
8580 * mips-tfile.c (catch_signal, botch): Likewise.
8582 * print-rtl.c (print_rtx): Likewise.
8584 * toplev.c (default_print_error_function, report_error_function,
8585 _fatal_insn): Likewise.
8587 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8589 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8591 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8593 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8594 operations when needed.
8595 * i386.md (fop_?f_comm): New.
8596 (fop_?f_1): Do not accept commutative operands.
8598 1999-11-25 Andreas Jaeger <aj@suse.de>
8600 * config/mips/mips.md (casesi_internal): Add missing brace.
8602 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8604 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8605 (splice_child_die): Handle moving a child DIE from the declaration
8606 DIE of a class to its specification.
8607 (gen_struct_or_union_type_die): Use 'complete' consistently.
8608 (gen_decl_die): Generate the virtual context DIE first.
8609 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8611 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8613 * config/mips/mips.md (call_value_multiple_interanal1): New.
8615 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8617 * dwarf2out.c (free_AT, free_die): New fns.
8618 (remove_children): Call them.
8619 (output_line_info): Disable removal of duplicate notes.
8621 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8622 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8623 means pretend the type isn't defined.
8624 Don't defer emitting types.
8625 (gen_type_die_for_member): New fn.
8626 (gen_decl_die): Call it.
8627 (splice_child_die): New fn.
8628 (gen_member_die): Call it rather than generate duplicate dies.
8630 Defer emitting information for the abstract instance of an inline
8631 until we either inline it or emit an out-of-line copy.
8632 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8633 from output_inline_function if DECL_ABSTRACT is also set.
8634 (block_ultimate_origin): Likewise.
8635 (gen_abstract_function): New fn.
8636 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8637 (gen_subprogram_die): An abstract instance is not a declaration
8638 just because it doesn't match current_function_decl. Don't abort
8639 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8640 has an abstract origin.
8641 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8642 abstract instance here.
8644 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8646 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8647 where we need to reload fpul from a system register.
8649 1999-11-24 Andreas Jaeger <aj@suse.de>
8651 * config/mips/linux.h (CPP_PREDEFINES): Added.
8652 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8654 1999-11-24 Andreas Jaeger <aj@suse.de>
8656 * config/mips/linux.h (TARGET_VERSION): Added.
8657 (HANDLE_SYSV_PRAGMA): Added.
8658 (DEFAULT_VTABLE_THUNKS): Added.
8660 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8662 * local-alloc.c (qty): New structure and static variable.
8663 (qty_phys_reg): Remove, all references changed to qty.
8664 (qty_n_refs): Likewise.
8665 (qty_min_class): Likewise.
8666 (qty_birth): Likewise.
8667 (qty_death): Likewise.
8668 (qty_size): Likewise.
8669 (qty_mode): Likewise.
8670 (qty_n_calls_crossed): Likewise.
8671 (qty_alternate_class): Likewise.
8672 (qty_changes_size): Likewise.
8673 (qty_first_reg): Likewise.
8674 (alloc_qty): Rename variable QTY to QTYNO.
8675 (finf_free_reg): Likewise.
8676 (local_alloc): Allocate qty, do not allocate the removed variables.
8678 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8680 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8681 when -membedded-pic is passed.
8683 * config/mips/mips.md (casesi): Handle 64-bit case too.
8684 (casesi_internal_di): New insn.
8686 * config/mips/mips.c (embedded_pic_offset): Always make the
8687 embedded-pic subtractions relative to the name of the current
8688 function by use of the magic string "..CURRENT_FUNCTION".
8689 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8691 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8693 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8694 of (const_int 0), when what we really care about is
8695 whether it's a zero constant anyway.
8696 (div_trap_mips16): Likewise.
8698 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8700 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8701 unroll_block_trees when generating debuggable code.
8703 * tree.h (unsave_expr_1): New function.
8704 (lang_unsave): New variable.
8705 (get_callee_fndecl): New function.
8706 * tree.c (unsave_expr_now_r): New function.
8707 (lang_unsave): Define.
8708 (unsave_expr_1): Likewise.
8709 (unsave_expr_now_r): Split out from unsave_expr_now.
8710 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8711 call unsave_expr_now_r.
8712 (get_callee_fndecl): Define.
8714 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8715 (gencheck.o): Do depend on lang_tree_files.
8717 * integrate.h (copy_decl_for_inlining): New declaration.
8718 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8719 (copy_decl_for_inlining): New function.
8720 (integrate_parm_decls): Use it.
8721 (integrate_decl_tree): Likewise.
8723 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8725 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8726 the second two from the first.
8727 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8728 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8729 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8731 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8732 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8735 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8737 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8738 needed on the address operand.
8739 * pa.c (call_operand_address): Check for the correct mode.
8741 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8743 * loop.c: Include "basic-block.h".
8744 (try_copy_prop, replace_loop_reg): New functions.
8745 (load_mems): Detect registers that just hold copies of the hoisted
8746 mem, and call try_copy_prop to eliminate them.
8747 * Makefile.in (loop.o): Update dependencies.
8749 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8751 * Makefile.in (gencheck.o): Depend on gencheck.h.
8752 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8753 (insn-peep.o): Depend on except.h and function.h.
8754 (insn-attrtab.o): Depend on RECOG_H.
8755 (insn-output.o): Depend on toplev.h and flags.h.
8756 (gengenrtl.o): Depend on real.h.
8757 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8758 Unify all dependencies to be on RECOG_H rather than recog.h.
8760 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8762 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8763 * configure.in: Try building a bi-arch 32/64-bit compiler on
8764 sparc-*-solaris2.7 and higher.
8765 * configure: Rebuild.
8767 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8769 * config/freebsd.h: New, FreeBSD architecture independent file.
8770 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8772 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8773 directly by i386/freebsd.h.
8774 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8775 independent configuration file.
8776 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8777 directly by i386/freebsd.h.
8778 * configure: Rebuilt.
8780 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8781 which is in the user's namespace.
8782 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8783 `i386' which is not in our namespace.
8785 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8787 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8789 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8791 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8792 (add_dwarf_attr, add_child_die): Just push onto the front.
8793 (reverse_die_lists): New fn.
8794 (add_sibling_attributes): Use it.
8795 (push_decl_scope): Reorganize.
8796 (add_name_and_src_coords_attributes): Don't set file and line for
8798 (gen_subprogram_die): An artificial function doesn't need to match
8800 (gen_compile_unit_die): Return the generated die. Only add
8801 AT_comp_dir if the filename is relative.
8802 (remove_AT): Simplify loop. Also free string values.
8803 (output_die): A DIE ref can't be null.
8804 (output_value_format, value_format): Take a dw_attr_ref.
8805 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8806 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8807 AT_addr, AT_lbl): New fns.
8808 (various): Use them.
8809 (various): Constify.
8811 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8813 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8814 take SUBREG_WORD into account.
8815 (if_then_else_cond): Likewise.
8817 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8819 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8820 clause from BSD license, pursuant with
8822 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8824 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8826 * loop.c (load_mems): Reformat slightly.
8827 * basic-block.h (regset_head): New typedef.
8828 (INIT_REG_SET): New macro.
8830 1999-11-22 Bruce Korb <autogen@linuxbox.com
8832 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8833 (mips-dec-bsd*): non-functional code
8834 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8836 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8837 added three replacement fixes
8838 (no_double_slash): removed comments that are not (any longer) pertinent
8839 (bad_lval): this fix currently runs against many files.
8840 The comment seems to indicate that we should select for files
8841 containing 'pragma extern_prefix'.
8843 * fixinc/fixinc.x86-linux-gnu: deleted
8844 * fixinc/inclhack.sh: regen
8845 * fixinc/fixincl.x: regen
8846 * fixinc/fixincl.sh: regen
8848 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8850 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8851 its code is INSN and it has no notes.
8853 1999-11-22 Andrew Haley <aph@cygnus.com>
8855 * varasm.c (function_defined): Remove.
8856 (make_function_rtl): Don't set function_defined.
8857 (make_decl_rtl): Remove global register warning.
8858 * regclass.c (no_global_reg_vars): New variable.
8859 (globalize_reg): Warn if function has already been defined.
8860 (regclass_init): Set no_global_reg_vars.
8862 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8864 * regclass.c (reg_pref): New structure and static variable
8865 (prefclass): Delete.
8867 (all uses of prefclass and altclass): Use reg_pref instead.
8869 1999-11-21 Nick Clifton <nickc@cygnus.com>
8871 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8873 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8874 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8875 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8877 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8879 * varasm.c (output_constructor): Solve problem with long long
8880 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8882 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8884 * global.c (allocno): New structure and static variable.
8885 (allocno_reg): Remove, all references replaced by allocno.
8886 (allocno_size): Likewise.
8887 (hard_reg_conflicts): Likewise.
8888 (hard_reg_preferences): Likewise.
8889 (hard_reg_copy_preferences): Likewise.
8890 (hard_reg_full_preferences): Likewise.
8891 (regs_someone_prefers): Likewise.
8892 (allocno_calls_crossed): Likewise.
8893 (allocno_n_refs): Likewise.
8894 (allocno_live_length): Likewise.
8895 (find_reg): Rename ALLOCNO to NUM.
8897 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8899 (may_move_out_cost): New variable.
8900 (init_reg_sets_1): Initialize may_move_out_cost.
8901 (record_reg_classes): Use may_move_out_cost.
8903 * regclass.c (dump_regclass): New function.
8904 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8905 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8906 pass rtl_dump_file to regclass.
8907 * rtl.h (regclass): Update prototype.
8909 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8911 * i386.md (neg, not and abs patterns): Revmap to use
8912 ix86_expand_unary_operator and ix86_unary_operator_ok.
8913 (add?f and sub?f expanders): Force operand 1 to register.
8914 * i386.c (ix86_expand_unary_operator): Rewrite.
8915 (ix86_unary_operator_ok): Ensure that memory operands
8917 (ix86_binary_operator_ok): Do not allow operand 1 to
8918 come into memory and operand 0 not.
8919 (ix86_expand_binary_operator): Ensure that
8920 src1 is not non-matching memory.
8922 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8923 to support integer registers and memory.
8924 (abss?2_integer): Likewise.
8926 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8927 (REG_CLASS_NAMES): Likewise.
8928 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8930 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8931 (movsf): Likewise; unify 4th and 5th alternative.
8933 (movdf_1): Likewise; rename to movdf_integer.
8934 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8935 remove redundant splitter.
8936 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8937 (movdf_nointeger): New.
8938 (movxf_nointeger): New.
8939 (pushxf_nointeger): New.
8941 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8942 memory operands in patterns.
8943 (fop*): Refuse two memory operands.
8945 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8946 on !TARGET_USE_CLTD CPUs.
8948 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8950 * extend.texi: Document C++ restricted pointers and references.
8952 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8954 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8955 (invalidate_skipped_set): Call it unconditionally.
8956 (cse_set_around_loop): Likewise.
8958 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8960 * rtl.texi (mem): Add documentation for alias-set argument
8963 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8965 * i386.h (struct_processor_costs): New fields int_load, int_store,
8966 fp_move, fp_load and fp_store
8967 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8969 (MEMORY_MOVE_COST): New macro.
8970 * i386.c (386_cost): Define new fields.
8971 (i486_cost): Likewise.
8972 (pentium_cost): Likewise.
8973 (pentiumpro_cost): Likewise.
8974 (k6_cost): Likewise.
8976 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8977 Geoffrey Keating <geoffk@cygnus.com>
8979 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8981 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8984 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8985 (TARGET_STRICT_ALIGNMENT): New macro.
8986 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8987 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8988 * invoke.texi (M680x0 Options): Document -mstrict-align.
8990 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8991 Richard Henderson <rth@cygnus.com>
8993 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8994 (ix86_split_long_move): Declare.
8995 * i386.c (split_xf, ix86_split_movdi): Remove.
8996 (ix86_split_to_parts, ix86_split_long_move): New.
8997 * i386.md (dimode move splitters): Use ix86_split_long_move.
8998 (dfmode move splitters): Likewise.
8999 (xfmode move splitters): Likewise.
9000 (movsf_1): Allow F->r.
9001 (movdf_1, movxf_1): Allow F->ro.
9003 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9005 * except.h (struct eh_entry): Add goto_entry_p.
9006 (eh_region_from_symbol): Remove prototype.
9007 * except.c (find_func_region_from_symbol): New function.
9008 (emit_cleanup_handler): Likewise.
9009 (eh_region_from_symbol): Make it static.
9010 (add_new_handler): Verify the argument.
9011 (find_func_region): Update comment.
9012 (expand_eh_region_end): Expand handlers here, rater than waiting
9013 until expand_leftover_cleanups or start_all_catch.
9014 (expand_leftover_cleanups): Don't expand here.
9015 (expand_start_all_catch): Or here.
9016 (expand_rethrow): Check the return value from find_func_region.
9017 * function.c (expand_function_end): Emit the catch_clauses.
9019 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
9021 * integrate.c (expand_inline_function): Add necessary check for NULL.
9023 1999-11-18 Nick Clifton <nickc@cygnus.com>
9025 * toplev.c (main): Correctly detect an unrecognised option.
9027 * cppinit.c (cpp_handle_option): Do not claim to have consumed
9028 a -f option if it has not been recognised.
9030 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
9032 * basic-block.h (update_life_extent): Remove trailing comma on
9033 enumeration type list.
9035 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9037 * varasm.c (output_constructor) Solved problem with long long
9038 bitfields. Corrected calculating this_time and shift. Also
9039 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
9041 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
9043 * flow.c (split_edge): Take looping structure into account when
9044 determining where to put the new block note.
9046 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
9048 * Makefile.in (ggc-none.o): Provide host specific version if
9051 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
9053 * cse.c (delete_trivially_dead_insns): Identify no-op insns
9054 containing subregs too.
9056 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9058 * invoke.texi: Add documentation for -muninit-const-in-rodata.
9059 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
9060 (TARGET_UNINIT_CONST_IN_RODATA): Define.
9061 (text_section): Add switches -munint-const-in-rodata and
9062 -mno-uninit-const-in-rodata.
9063 (ASM_OUTPUT_COMMON): Remove.
9064 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
9065 const objects should be placed in read-only data. Otherwise declare
9068 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
9070 * jump.c (jump_optimize_1): Revert last change.
9072 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
9074 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
9075 test if optimizing for size.
9077 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9079 * Makefile.in (toplev.o): Depend on except.h.
9080 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
9082 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9084 * i386.md (divmodsi4): Rewrite to expander.
9085 (*divmodsi4_nocltd): New.
9086 (*divmodsi4_cltd): New.
9087 (divmodsi4 splitter): Handle the case when input comes in edx.
9088 (udivmodhi4): Do not use constraints in exander.
9089 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
9091 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
9093 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
9094 for the common case.
9096 1999-11-16 Jakub Jelinek <jakub@redhat.com>
9098 * explow.c (hard_function_value): Add outgoing argument.
9099 * expr.h (hard_function_value): Declare it.
9100 * calls.c (expand_call, emit_library_call_value): Update callers.
9101 * function.c (aggregate_value_p): Ditto.
9102 (diddle_return_value): Must look at the outgoing registers
9103 on archs with register windows.
9105 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
9107 * alpha.c (alpha_build_va_list): Use make_lang_type and
9108 initialize TYPE_NAME for the va_list record.
9110 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
9112 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
9114 * ggc.h (struct ggc_statistics): Rearrange elements for better
9115 packing on 64-bit hosts.
9116 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
9117 (compute_nearerout): Likewise.
9119 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
9121 * config/rs6000/rs6000.c (first_reg_to_save): Save
9122 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
9124 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
9126 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
9127 notion of nesting to find the DIE for a type or function.
9128 DIEs can go in limbo even if we got a context_die.
9129 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
9130 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
9132 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
9133 (gen_type_die): Writing out the context doesn't cause member class
9134 template instantiations to be written out as well.
9136 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
9138 * rs6000.h (ASM_OUTPUT_DEF): New.
9139 Based on proposed addition from David Edelsohn.
9141 1999-11-15 Robert Lipe <RobertLipe@usa.net>
9142 Bruce Korb <autogen@linuxbox.com>
9144 * fixinc/inclhack.def
9145 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
9146 (unixware7_byteorder_fix): added. Removes conflicts for new defs
9148 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
9149 (svr4_endian): enabled with SVR5
9150 (svr4_mkdev): simplified syntax and enabled with SVR5
9152 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
9154 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
9155 * configure: Rebuilt.
9156 * config/t-freebsd-thread: New file.
9158 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
9160 * i386.c (ix86_decompose_address): Verify the base is a REG
9161 before trying to examine its register number.
9163 * basic-block.h: Remove all #defines and prototypes related to
9165 (free_bb_mem, compute_preds_succs): Remove prototype.
9166 * rtl.h (free_bb_mem): Remove prototype.
9167 * flow.c (alloc_int_list_node); Remove function.
9168 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
9169 (compute_preds_succs, free_bb_mem): Likewise.
9170 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
9171 * toplev.c (rest_of_compilation): Likewise.
9172 * haifa-sched.c (build_control_flow): Use flow generated edge
9173 list to build the haifa specific edge list.
9174 (find_rgns): Use new CFG data structures instead of pred/succ lists.
9175 (schedule_insns): Do not build pred/succ lists anymore. Instead
9176 build the edge table.
9178 * basic-block.h (dump_bb_data): Remove declaration.
9179 * flow.c (dump_bb_data): Remove function.
9180 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
9181 (sbitmap_union_of_predsucc): Likewise.
9183 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
9184 argument. All callers changed.
9185 (delete_null_pointer_checks_1): No longer need to compute the
9188 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
9189 All callers changed.
9190 (pre_expr_reaches_here_p_work): Likewise.
9191 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
9192 * lcm.c (compute_laterin): Fix initialization of LATER.
9193 (compute_nearerout): Similarly for NEARER.
9195 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9197 * cse.c (set_nonvarying_address_components): Delete unused function.
9198 (refers_to_p): Likewise.
9200 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
9202 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
9205 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9207 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
9208 definition in do while (0).
9210 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
9212 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
9214 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
9216 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
9218 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
9220 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
9221 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
9222 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9223 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
9225 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
9226 saved on the stack. Output more accurate stack frame statistics
9227 into assembler file.
9229 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
9231 * genextract.c (record_insn_name): New function.
9232 (get_insn_name): No longer a stub.
9233 (main): Call record_insn_name for each insn. After each label
9234 written, print the insn name in a comment.
9236 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9238 * output.h (const_section, init_section, fini_section): Add
9241 * alpha/elf.h (const_section): Delete declaration.
9243 * svr4.h (const_section): Likewise.
9245 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
9247 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
9248 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
9249 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
9251 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
9252 variable-sized array bounds.
9254 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
9256 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
9259 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9261 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
9262 addresses the same way GO_IF_LEGITIMATE_INDEX does.
9264 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9266 * cse.c (hash_arg_in_struct): Delete.
9267 (struct table_elt): Delete elt in_struct.
9268 (struct set): Delete elt src_in_struct.
9269 (merge_equiv_classes): Don't set either hash_arg_in_struct or
9270 the corresponding in_struct elts.
9271 (canon_hash): Likewise.
9272 (safe_hash): Likewise.
9273 (find_best_addr): Likewise.
9274 (record_jump_cond): Likewise.
9275 (cse_insn): Likewise.
9277 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
9279 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
9281 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
9284 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
9286 * function.c (diddle_return_value): Put back check that the DECL_RTL
9287 for the function is a register.
9289 * function.c (diddle_return_value): Use hard_function_value to
9290 get an rtx suitable for use in the USE/CLOBBER insn.
9292 * global.c (global_conflicts): Update comments.
9293 (record_conflicts): No need to record conflicts between pseudos here.
9295 1999-11-11 Bruce Korb <autogen@linuxbox.com>
9297 * fixinc/fixincl.c: Added verbose levels for status messages
9299 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9301 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9302 operand as argument to expand_and or expand_binop.
9304 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9306 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9307 gcc_add_string_root.
9309 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9311 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9313 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9315 * flow.c (compute_flow_dominators): Initially put all blocks on
9317 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9318 * gcse.c (compute_cprop_avinout): Remove.
9319 (compute_cprop_data): Use compute_available.
9320 (delete_null_pointer_checks_1): Use compute_available.
9322 * basic-block.h (compute_available): Returns a void now.
9323 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9324 to return a value anymore.
9325 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9326 worklists. Fix boundary cases. Compute maximal solutions.
9327 (compute_laterin, compute_nearerout): Similarly.
9329 * dwarf2out.c (add_AT_location_description): Allow
9330 (mem (plus (pseudo) (...)) too.
9332 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9334 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9336 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9337 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9339 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9341 * gansidecl.h: Likewise.
9347 * toplev.h: Likewise.
9353 * varray.c: Likewise.
9355 * varray.h: Likewise.
9357 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9359 * gcov.c (struct arcdata): Add hits and total, remove prob.
9360 (output_branch_counts): New.
9361 (process_args): Set output_branch_counts if -c.
9362 (calculate_branch_probs): Store hits and total instead of
9364 (output_data): Emit counts if output_branch_counts is true.
9365 * gcov.texi (Invoking Gcov): Document -c switch..
9367 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9369 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9370 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9372 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9374 * invoke.texi (C Dialect Options): Add missing builtins from
9376 * extend.texi (Other Builtins): Copy to this list.
9378 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9380 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9381 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9384 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9386 * flow.c (compute_flow_dominators): No longer treat basic block 0
9387 or (n_basic_blocks - 1) specially. Clear the AUX field before
9388 starting computation of doms/pdoms. Fix initial state for pdoms.
9390 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9392 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9393 match rtl.o's: added ggc.h and toplev.h
9394 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9395 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9396 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9398 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9400 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9401 from HAVE_DOS_BASED_FILESYSTEM.
9402 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9403 HAVE_DOS_BASED_FILESYSTEM.
9405 (split_directories): Only special-case DOS file names if
9406 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9407 instead of explicit tests. Conditionalize on !VMS.
9408 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9409 tests. Conditionalize on !VMS.
9410 (process_command): Only use make_relative_prefix if !VMS.
9411 (free_split_directories): Conditionalize on !VMS.
9412 (DIR_UP): Conditionalize on !VMS.
9414 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9416 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9418 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9420 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9423 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9425 * invoke.texi (Environment Variables): Document relative path
9427 * gcc.c (DIR_UP): If not defined, define as "..".
9428 (standard_bindir_prefix): New static, holds target location to
9430 (split_directories): New function to split a filename into
9431 component directories.
9432 (free_split_directories): New function, release memory allocated
9433 by split_directories.
9434 (make_relative_prefix): New function, make a relative pathname if
9435 the compiler is not in the expected location.
9436 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9437 can figure out an appropriate prefix from argv[0].
9438 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9439 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9440 STANDARD_BINDIR_PREFIX.
9442 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9444 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9446 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9447 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9448 c4x_secondary_memory_needed) Delete.
9449 (fp_zero_operand): Add mode argument.
9451 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9453 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9454 that is in reload_reg_used.
9456 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9458 * config/arm/arm-protos.h: New file: Prototypes for functions
9459 defined in arm.c and pe.c.
9460 * config/arm/arm.h: Fix compile time warnings.
9461 * config/arm/arm.c: Fix compile time warnings.
9462 * config/arm/pe.h: Fix compile time warnings.
9463 * config/arm/aout.h: Fix compile time warnings.
9465 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9467 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9470 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9471 Add support for subtargets.
9472 Add prototypes for new predicates.
9473 Add scheduling macros.
9475 * config/m32r/m32r.c: Fix compile time warnings.
9476 (int8_operand): New predicate function.
9477 (reg_or_cmp_int16_operand): New predicate function.
9478 (extend_operand): New predicate function.
9479 (m32r_adjust_code): New scheduling function.
9480 (m32r_adjust_priorty): New scheduling function.
9481 (m32r_sched_init): New scheduling function.
9482 (m32r_sched_reorder): New scheduling function.
9483 (m32r_sched_variable_issue): New scheduling function.
9484 (direct_return): New codegen function.
9485 (m32r_not_same_reg): New rtl testsing function.
9487 * config/m32r/m32r.md: Fix compile time warnings.
9488 Add support for pre decrement and post increment memory
9493 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9495 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9496 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9497 (find_reg): Likewise.
9499 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9501 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9502 to avoid assembler errors.
9504 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9506 * config/v850/v850-protos.h: New file: Prototypes for functions
9508 * config/v850/v850.h: Move prototypes to v850-protos.h
9509 * config/v850/v850.c: Move prototypes to v850-protos.h
9510 * config/v850/v850.md: Fix compile time warnings.
9512 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9514 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9515 * config/fr30/fr30.c: Fix compile time warnings.
9516 * config/fr30/fr30.md: Fix compile time warnings.
9518 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9520 * tree.h (get_containing_scope): Declare it.
9521 * tree.c (get_containing_scope): New fucntion.
9522 (decl_function_context): Use it.
9523 * toplev.c (rest_of_compilation): Use get_containing_scope.
9525 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9527 * Makefile.in (rtl.o): Depend on toplev.h.
9529 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9531 * cse.c (delete_trivially_dead_insns): Replace alloca with
9533 * except.c (update_rethrow_references): Likewise.
9534 (init_eh_nesting_info): Likewise.
9535 * function.c (identify_blocks): Likewise.
9536 * gcse.c (dump_hash_table): Likewise.
9537 * graph.c (print_rtl_graph_with_bb): Likewise.
9538 * loop.c (combine_movables): Likewise.
9539 (move_movables): Likewise.
9540 (count_loop_regs_set): Likewise.
9541 (strength_reduce): Likewise.
9542 * profile.c (compute_branch_probabilities): New function, split
9544 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9545 * regclass.c (regclass): Likewise.
9546 * regmove.c (regmove_optimize): Likewise.
9547 * toplev.c (compile_file): Likewise.
9548 (main): Don't mess with the stack rlimit.
9550 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9552 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9553 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9555 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9557 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9559 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9561 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9562 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9565 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9567 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9569 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9571 * gcse.c (post_dominators): Kill.
9572 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9573 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9574 pass in a pdom array since we do not need pdoms.
9575 * haifa-sched.c (schedule_insns): Similarly.
9576 * flow.c (compute_dominators): Remove dead function.
9577 (compute_flow_dominators): Do not compute doms or pdoms if the
9578 caller does not request them. Split up loop to build doms and
9579 pdoms. Use a worklist to compute doms and pdoms.
9580 * basic-block.h (compute_dominators): Remove prototype.
9582 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9584 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9585 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9586 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9587 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9588 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9589 (schedule_region): Remove unused variable.
9590 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9592 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9594 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9595 (update_equiv_regs): Likewise.
9596 (block_alloc): Likewise.
9597 * reg-stack.c (reg_to_stack): Likewise.
9598 (convert_regs_2): Likewise.
9599 * reload1.c (reload_as_needed): Likewise.
9601 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9603 * Makefile.in (dbxout.o): Depend on ggc.h.
9604 (dwarf2out.o): Likewise.
9605 (xcoffout.o): Likewise.
9606 * dbxout.c: Include ggc.h.
9607 (dbxout_init): Register lastfile as a root.
9608 * dwarf2out.c: Include ggc.h.
9609 (dwarf2out_line): Register lastfile as a root.
9610 * xcoffout.c: Include ggc.h.
9611 (xcoffout_source_line): Register xcoff_lastfile as a root.
9613 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9615 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9617 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9619 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9621 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9623 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9625 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9626 (EXECUTE_IF_CONFLICT): Likewise.
9627 (ALLOCNO_LIVE_P): Avoid signed division.
9628 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9629 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9630 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9632 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9634 * haifa-sched.c (schedule_block): Don't crash if there's no
9635 next insn for an interblock movement.
9636 (add_branch_dependences): Don't allow clobber insns to move either.
9638 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9640 * i386.c (split_xf): New.
9641 * i386-protos.h: Declare it.
9642 * i386.md (movxf_1): Add general regs alternatives.
9643 (movxf_1+1): New splitter for same.
9645 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9647 * function.c (purge_addressof_1): Add missing return values.
9649 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9651 * function.c (is_addressof): New function. Returns true if
9652 the given piece of RTL is an ADDRESSOF.
9653 (purge_addressof_1): Make boolean. Return false if the
9654 ADDRESSOFs could not be purged.
9655 (purge_addressof): If ADDRESSOFs could not be purged from the
9656 notes attached to an insn, remove the offending note(s),
9657 unless they are attached to a libcall.
9659 1999-11-05 Andreas Jaeger <aj@suse.de>
9661 * genoutput.c (null_operand =): Initialize all fields.
9663 * errors.h: Add extern to prototypes.
9665 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9667 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9668 * configure: Rebuilt.
9670 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9672 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9673 (mirror_conflicts): New function.
9674 (global_alloc): Call it.
9675 (expand_preferences): Remove redundant CONFLICTP test.
9676 (find_reg, dump_conflicts): Likewise.
9677 (prune_preferences): Process conflicts one word at a time.
9679 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9681 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9682 instead of an explicit loop.
9684 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9686 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9687 if REG_RETVAL check succeeds, then put classp in src_elt.
9689 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9691 * function.c (pad_to_arg_alignment): Only update argument_pad
9692 if the argument's alignment is greater than STACK_BOUNDARY.
9694 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9696 * bitmap.h (BITMAP_XFREE): New.
9697 * flow.c (life_analysis): Use it.
9698 (life_analysis_1): Free blocks.
9700 * combine.c (undo_commit): New.
9701 (try_combine): Use it. Don't zap undobuf.undos.
9702 (combine_instructions): Don't zap undobuf.undos; free the
9705 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9707 * stmt.c (cost_table_): New.
9708 (estimate_case_costs): Use it instead of xmalloc.
9710 * toplev.c (compile_file): Reuse dumpname memory instead
9713 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9715 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9716 after verifying an EH edge.
9718 * haifa-sched.c (init_rgn_data_dependences): Correctly
9719 size bb_pending_lists_length when zeroing.
9721 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9723 * function.c (diddle_return_value): New.
9724 (expand_function_end): Use it.
9725 * stmt.c (expand_null_return): Likewise.
9726 (expand_value_return): Likewise.
9728 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9730 * reload1.c (reload): Don't remove return value clobbers.
9732 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9734 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9736 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9738 * cse.c (cse_main): Use xmalloc, not alloca.
9739 (cse_basic_block): Likewise.
9740 * local-alloc.c (local_alloc): Likewise.
9742 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9743 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9745 * rtl.c: Include toplev.h.
9746 (fatal): Remove declaration.
9748 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9750 * haifa-sched.c (schedule_block): Fix thinko.
9752 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9754 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9755 S_IR* defined values
9757 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9759 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9760 call `malloc' instead.
9762 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9764 * flags.h (flag_renumber_insns): Declare.
9765 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9767 * rtl.h (renumber_insns): Change prototype.
9768 * toplev.c (flag_renumber_insns): Define.
9769 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9771 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9773 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9774 and fpsqrtd. Use them and create fdiv function unit to more
9775 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9776 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9778 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9780 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9782 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9783 insn into ready list, do not use just a raw swap.
9785 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9787 * rtl.h (renumber_insns): New function.
9788 (remove_unnecessary_notes): Likewise.
9789 * emit-rtl.c (renumber_insns): Define.
9790 (remove_unncessary_notes): Likewise.
9791 * toplev.c (rest_of_compilation): Remove dead code.
9792 Use renumber_insns and remove_unncessary_notes.
9794 * gcse.c (struct null_pointer_info): New type.
9795 (get_bitmap_width): New function.
9796 (current_block): Remove.
9797 (nonnull_local): Likewise.
9798 (nonnull_killed): Likewise.
9799 (invalidate_nonnull_info): Take a null_pointer_info as input.
9800 (delete_null_pointer_checks_1): New function.
9801 (delete_null_pointer_checks): Use it.
9803 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9804 (split_edges): Likewise.
9805 (schedule_block): Likewise.
9806 (compute_block_backward_dependencies): Likewise.
9807 (schedule_region): Likewise.
9808 (schedule_insns): Likewise.
9810 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9812 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9813 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9814 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9815 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9816 * jump.c (delete_unreferenced_labels): Don't delete if
9817 LABEL_ALTERNATE_NAME is set.
9818 * print-rtl.c (print_rtx): Dump alternate name.
9819 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9820 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9821 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9822 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9824 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9826 * fix-header.c (recognized_extern, recognized_function): Constify
9829 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9830 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9831 (compute_available): Remove unused variable `last'.
9832 (compute_nearerout): Remove unused variable `temp_bitmap'.
9833 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9834 Remove unused variable `x'.
9836 * scan.h (recognized_function, recognized_extern): Constify a
9839 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9841 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9843 * varasm.c (decode_rtx_const): Use XSTR to access the string
9846 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9848 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9850 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9852 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9854 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9856 * pa.c (ireg_operand): New function.
9857 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9858 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9859 Fix out of date comment.
9861 * pa.md (negdi2): Turn into expander + anonymous pattern.
9863 * reload.c (find_reloads): Fix typos in recent change.
9865 * dwarf2out.c: Do not include ctype.h.
9867 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9869 * regclass.c (record_reg_classes): Always use may_move_cost when
9870 seeing how operand fits with various register classes.
9872 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9874 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9875 * toplev.c: Revert Nov 1 13:22 change.
9877 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9879 * config/pa/pa.md (height reduction patterns): Add checks for
9880 overlapping operands to avoid semantic-destroying splits for
9881 height reduction patterns.
9883 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9885 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9886 have been an hyphen, fixed.
9887 * configure: Rebuilt.
9889 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9891 * config/arm/tpe.h: Add prototypes for exported functions.
9892 * config/arm/pe.c: Fix compile time warnings.
9893 * config/arm/semi.h: Fix compile time warnings.
9894 * config/arm/arm.c: Fix compile time warnings.
9895 * config/arm/arm.h: Fix compile time warnings.
9896 * config/arm/arm.md: Fix compile time warnings.
9897 * config/arm/thumb.c: Fix compile time warnings.
9898 * config/arm/thumb.h: Fix compile time warnings.
9899 * config/arm/thumb.md: Fix compile time warnings.
9901 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9903 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9906 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9907 completely unrolled.
9909 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9911 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9913 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9915 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9916 * rtl.h (rtx_equal_p): Move prototype.
9917 * rtl.c (rtx_equal_function_value_matters): Move from
9919 (rtx_equal_p): Likewise.
9920 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9921 (rtx_equal_p): Likewise.
9923 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9925 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9928 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9930 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9932 * pa.h (ADDR_VEC_ALIGN): Define.
9934 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9935 notes when presented with "if (foo) break; end_of_loop" and
9936 the break sequence gets moved out of the loop.
9938 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9939 Remove explicit zero initializations of entries within MAP.
9941 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9943 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9945 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9947 * bitmap.h (BITMAP_XMALLOC): New macro.
9948 * flow.c (CLEAN_ALLOCA): Remove.
9949 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9950 (life_analysis): Likewise.
9951 (update_life_info): Don't use CLEAN_ALLOCA.
9952 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9953 (calculate_global_regs_live): Likewise.
9954 (print_rtl_with_bb): Likewise.
9955 (verify_flow_info): Likewise.
9956 * global.c (global_alloc): Likewise.
9957 (global_conflicts): Likewise.
9958 * integrate.c (save_for_inline_nocopy): Likewise.
9959 (expand_inline_function): Likewise.
9960 * jump.c (jump_optimize_1): Likewise.
9961 (duplicate_loop_exit_test): Likewise.
9962 (thread_jumps): Likewise.
9963 * loop.c (loop_optimize): Likewise.
9964 (combine_givs): Likewise.
9965 (recombine_givs): Likewise.
9966 * reorg.c (dbr_schedule): Likewise.
9967 * unroll.c (unroll_loop): Likewise.
9969 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9971 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9973 * toplev.c (rest_of_compilation): Don't optimize the CFG
9974 when rebuilding, just before dbr.
9976 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9978 * output.h (assemble_end_function, assemble_destructor,
9979 assemble_constructor, assemble_gc_entry, assemble_global,
9980 assemble_label, output_constant_pool) Constify a char*.
9982 * varasm.c (assemble_destructor, assemble_constructor,
9983 assemble_gc_entry, assemble_end_function, assemble_global,
9984 assemble_label, output_constant_pool): Likewise.
9986 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9988 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9989 explaining what is goin on in this function.
9991 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9993 * regclass.c (record_reg_classes): In matching case, recompute
9994 costs since the direction of movement is different.
9996 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9998 * resource.c (mark_target_live_regs): For unconditional branches,
9999 the resources found at the branch target should be added to the
10000 resources found so far, not intersected.
10002 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
10004 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
10006 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
10007 (sys/mman.h): Include this file only if #HAVE_MMAP.
10008 (run_compiles): Initialize `esac_fmt' with one old KR string, not
10009 with automatically concatenated ANSI strings.
10011 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
10013 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
10014 (DIV_ROUND_UP): Robustify.
10015 (ggc_recalculate_in_use_p): New function.
10016 (release_pages): Don't inline it.
10017 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
10019 (ggc_pop_context): Use ggc_recalculate_in_use_p.
10020 (clear_marks): Always save in_use_p.
10021 (sweep_pages): Use ggc_recalculate_in_use_p.
10022 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
10023 Release pages before counting statistics.
10025 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
10027 * toplev.c (rest_of_compilation): Fix thinko in this change:
10029 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10031 (rest_of_compilation): If inside an inlined external function,
10032 pretend we are just being declared.
10034 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
10036 * flow.c (calculate_global_regs_live): Fix thinko.
10038 * integrate.c (expand_inline_function): Fix bugs in previous
10039 change from Oct 28, 1999.
10041 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
10043 * stmt.c (expand_value_return): Fix typo in this change:
10045 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10046 (expand_value_return): Correctly convert VAL when promoting function
10047 return; support RETURN_REG being a PARALLEL.
10049 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
10051 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
10053 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10055 * hard-reg-set.h (reg_names): Constify a char*.
10057 * regclass.c (reg_names): Likewise.
10059 * regs.h (reg_names): Likewise
10061 * a29k/a29k.c (reg_names): Delete declaration.
10063 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
10065 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
10066 arc_output_function_epilogue): Likewise.
10068 * elxsi/elxsi.c (reg_names): Likewise.
10070 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
10072 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
10075 * m88k/m88k.c (output_function_profiler): Likewise.
10077 * sparc/sparc.c (sparc_flat_output_function_prologue,
10078 sparc_flat_output_function_epilogue): Likewise.
10080 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
10082 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
10083 warning from -Wuninitialized and put it under -W.
10084 * function.c (uninitialized_vars_warning): Warn only when the
10085 corresponding flag is set.
10087 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
10089 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
10090 is nonzero and the single set does not have an elt, then assign
10093 * simplify-rtx.c: New file.
10094 * Makefile.in (OBJS): Add simplify-rtx.o
10095 (simplify-rtx.o): Add dependencies.
10096 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
10097 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
10098 (cse_gen_binary, simplify_unary_operation): Delete.
10099 (simplify_binary_operation, simplify_plus_minus): Likewise.
10100 (check_fold_consts, simplify_relation_operation): Likewise.
10101 (simplify_ternary_operation): Likewise.
10102 (delete_trivially_dead_insns): Simplify the contents of the
10103 REG_EQUAL note before trying to substitute it into the source
10104 of the reg-reg copy at the end of a libcall sequence.
10106 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
10107 references/callers changed.
10109 * mn10200.c (mn10200_va_arg): Force the return value into a
10112 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
10114 * cccp.c (macroexpand): Avoid out of range accesses for omitted
10117 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
10119 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
10121 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
10123 * fold-const.c (fold): Fix thinko when optimizing comparisons
10126 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
10128 * gcc.texi (Passes): Update front-end files to their current
10131 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
10133 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
10134 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
10135 (PREDICATE_CODES): Add addition_operation.
10136 * alpha-protos.h (addition_operation): Declare.
10137 (secondary_reload_class): Likewise.
10138 * alpha.c (addition_operation): New.
10139 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
10140 * alpha.md (adddi3): Turn into expander.
10141 (*lda, *adddi_2): New.
10142 (movsf, movdf patterns): Don't preference integer regs.
10143 (movsi, movdi patterns): Don't preference fp regs.
10145 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
10147 * genrecog.c (write_switch): Check for duplicate CODE cases.
10149 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
10151 * ggc-common.c: Update pre-function commentary.
10152 * ggc-page.c: Likewise.
10154 (poison_pages): Use memset directly.
10155 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
10156 (ggc_collect): Poison before sweeping.
10157 * ggc-simple.c: Update pre-function commentary.
10158 (ggc_alloc_obj): Poison non-zeroed memory.
10160 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
10162 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
10163 match format string, even on 64-bit hosts.
10164 * gcc-page.c (ggc_page_print_statistics): Likewise.
10166 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
10168 * config/i386/i386.c (ix86_cpu): Revert last patch.
10169 * config/i386/i386.h (ix86_cpu): Ditto.
10171 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
10173 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
10174 TYPE_SIZE, convert type of result to sizetype.
10176 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
10178 * flow.c (count_or_remove_death_notes): Equate NULL with the
10181 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
10182 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
10185 * i386.c (pic_label_no): Delete.
10186 (ix86_attr_length_default): Don't use single_set to peek
10189 * recog.c (peephole2_optimize): Allow recog_next_insn to index
10190 the first insn after bb->end.
10191 * i386.md (push mem peeps): Scratch is live after evaluation
10193 (cmp mem peep): Similarly.
10195 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
10197 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
10198 * function.c (pad_to_arg_alignment): Add missing braces.
10200 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10202 * alpha/alpha-protos.h (literal_section): Add prototype.
10203 (alpha_need_linkage, alpha_start_function,alpha_end_function):
10206 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
10208 (alpha_start_function, alpha_end_function, float_strings,
10209 alpha_need_linkage): Constify a char*
10211 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
10213 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
10215 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10217 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10219 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10221 * flow.c (debug_flow_info): Add prototype.
10223 * gcc.c (main): Likewise.
10225 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
10228 * reload1.c (failed_reload, set_reload_reg): Likewise.
10230 * mips-tfile.c (main): Likewise.
10231 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
10232 with ATTRIBUTE_NORETURN.
10234 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
10236 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
10237 DECL is not a memory ref.
10239 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
10241 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
10242 * config/i386/i386.c (ix86_cpu): Add extern attribute.
10244 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
10246 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
10247 * config/mips/elf64.h: ditto.
10249 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
10251 * expr.c (emit_push_insn): New argument alignment_pad.
10252 Update all callers. Adjust stack pointer based on alignment pad.
10253 * function.c (pad_to_arg_alignment): New argument alignment_pad.
10254 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
10255 (locate_and_pad_parm): New argument alignment_pad. Update all
10257 * expr.h (emit_push_insn): Update prototype.
10258 (locate_and_pad_parm): Update prototype.
10259 * calls.c (arg_data): Add new field alignment_pad.
10260 (initialize_argument_information): Initialize alignment_pad.
10262 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
10264 * except.c (free_eh_nesting_info): Free the info itself.
10265 * function.c (free_after_compilation): Don't free NULL.
10266 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
10267 (pre_edge_insert): Free inserted.
10268 * stmt.c (free_stmt_status): Don't free NULL.
10270 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10272 * gcov.c (DIR_SEPARATOR): Provide default.
10273 (output_data): Add test for MS-DOS format absolute filename.
10274 (fancy_abort): Correct program name.
10275 (open_files): Open all files in binary mode.
10276 * libgcc2.c (__bb_exit_func): Likewise.
10278 * profile.c (init_branch_prob): Specify binary when opening files.
10280 * flags.h (flag_unwind_tables): New decl.
10281 * toplev.c (flag_unwind_table): New definition.
10282 (f_options): Add -funwind-tables.
10283 (decode_g_option): Clarify warning when unknown -g option is given.
10284 (rest_of_compilation): If inside an inlined external function,
10285 pretend we are just being declared.
10287 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
10288 (dwarf2out_frame_finish): Likewise.
10290 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
10292 * fold-const.c (merge_ranges): If not in0, but in1, handle
10293 upper bounds equal like subset case.
10295 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
10297 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
10298 passed in a register but moved to the stack.
10300 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10302 * gcc.c (pass_exit_codes, greatest_status): New variables.
10303 (struct option_map): Add entry for "--pass-exit-codes".
10304 (execute): Update greatest_status if error.
10305 (display_help): Add documentation for -pass-exit-codes.
10306 (process_command): Handle -pass-exit-codes.
10307 (main): Look at pass_exit_codes and greatest_status on call to exit.
10309 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10311 * reload.c (find_reloads): Refine test for no input reload
10312 case to not includes reloads emitted after insn.
10314 * function.c (find_temp_slots_from_address): Handle sum involving
10315 a register that points to a temp slot.
10316 (update_temp_slot_address): Make recursive call if both old and
10317 new are PLUS with a common operand.
10318 * calls.c (expand_call): Mark temp slot for result as having
10321 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10323 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10324 component as well as "BINUTILS".
10326 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10327 * integrate.c (copy_rtx_and_substitute): Likewise.
10328 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10329 All callers changed.
10330 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10332 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10333 gdb extensions, write size of type; also be more consistent
10334 in using references when this is a subtype.
10336 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10337 that is out of range.
10339 * loop.c (unknown_constant_address_altered): New variable.
10340 (prescan_loop): Initialize it.
10341 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10342 (invariant_p, case MEM): Remove handling for volatile and readonly;
10343 check new variable if readonly.
10344 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10346 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10347 (addr_affects_sp_p): Removed from note_mem_written and only
10348 define #ifdef AUTO_INC_DEC.
10350 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10352 * regclass.c (record_reg_classes): Properly handle register move
10355 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10356 Don't think valid if both operands are invalid.
10357 (struct constant_descriptor): New field RTL.
10358 (mark_const_hash_entry): Mark it.
10359 (record_constant{,_rtx}): Initialize it.
10360 (output_constant_def): Allocate RTL in permanent obstack and
10362 ({record,compare}_constant_1): Modes must match for
10363 CONSTRUCTOR of ARRAY_TYPE.
10365 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10366 * output.h (initializer_constant_valid_p): Move decl to here.
10367 * c-common.c (initializer_constant_valid_p): Delete function from here.
10368 * varasm.c (initializer_constant_valid_p): Move function to here.
10370 * tree.h (STRIP_SIGN_NOPS): New macro.
10371 * fold-const.c (optimize_minmax_comparison): New function.
10372 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10373 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10374 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10375 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10376 widening conversions.
10377 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10378 to look at size of mode, not precision of type; also add missing cases.
10379 (optimize_bit_field_compare, decode_field_reference): Don't try to
10380 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10382 * dwarf2out.c (ctype.h): Include.
10383 (dwarf2out_set_demangle_name_func): New function.
10384 (size_of_line_info): Deleted.
10385 (output_line_info): Compute size of line info table from difference
10387 (base_type_die, add_name_attribute): Call demangle function, if any.
10388 (field_byte_offset): Use bits per word for variable length fields.
10389 (gen_array_type_die): Add array name.
10390 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10391 (dwarf2out_add_library_unit_info): New function.
10393 * explow.c (set_stack_check_libfunc): New function.
10394 (stack_check_libfunc): New static variable.
10395 (probe_stack_range): Allow front-end to set up a libfunc to call.
10397 * combine.c (simplify_comparison): When making comparison in wider
10398 mode, check for having commuted an AND and a SUBREG.
10399 (contains_muldiv): New function.
10400 (try_combine): Call it when dividing a PARALLEL.
10401 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10402 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10404 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10405 use one of the CLOBBERs instead.
10406 (if_then_else_cond): If comparing against zero, just return thing
10409 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10410 Don't generate shifts and subtract if have conditional arithmetic.
10412 * rtl.h (delete_barrier): New declaration.
10413 * jump.c (jump_optimize): Set up to handle conditional call.
10414 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10415 (delete_barrier): New function.
10417 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10419 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10421 * tree.c (build_type_attribute_variant): Push to obstack of
10422 ttype around type_hash_canon call.
10424 * expr.c (placeholder_list): Move decl to file scope.
10425 (expand_expr): Don't force access to volatile just because its
10427 If ignoring reference operations, just expand the operands.
10428 (expand_expr, case COMPONENT_REF): Propagate
10429 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10430 Refine test for using bitfield operations vs pointer punning.
10431 (expand_expr, case CONVERT_EXPR): If converting to
10432 BLKmode UNION_TYPE from BLKmode, just return inner object.
10433 Use proper mode in store_field call.
10434 Properly set sizes of object to store and total size in store_field
10435 call for convert to union.
10436 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10437 memory (like for ADDR_EXPR). Also, don't put constant in register if
10438 we'll want it in memory.
10439 (readonly_fields_p): New function.
10440 (expand_expr, case INDIRECT_REF): Call it if LHS.
10441 (expand_assignment): Handle a RESULT_DECL where
10442 DECL_RTL is a PARALLEL.
10443 (do_jump, case WITH_RECORD_EXPR): New case.
10444 (get_inner_reference): Always go inside a CONVERT_EXPR
10445 and NOP_EXPR if both modes are the same.
10446 (store_field): Use bitfield operations if size of bitsize is not same
10447 as size of RHS's type.
10448 Check for bitpos not a multiple of alignment in BLKmode case.
10449 Do block move in largest possible alignment.
10450 (store_constructor): Set BITSIZE to -1 for variable size and properly
10451 in case of array of BLKmode.
10452 (expand_expr_unaligned): New function.
10453 (do_compare_and_jump): Call it.
10455 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10456 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10457 does not include 'o'.
10459 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10460 both SET_DEST and SET_SRC reference a virtual register.
10461 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10463 * integrate.c (expand_inline_function): Handle case of setting
10464 virtual stack vars register (from built in setjmp); when parameter
10465 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10466 (subst_constant): Add new parm, MEMONLY.
10467 (expand_inline_function, integrate_parm_decls): Pass new parm.
10468 (integrate_decl_tree): Likewise.
10469 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10470 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10471 (copy_rtx_and_substitute, case SET): Add explicit calls to
10472 copy_rtx_and_substitute for both sides.
10474 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10476 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10477 within INDEX_TYPE, instead of before.
10478 (fixup_gotos): Use f->target_rtl, not the next insn,
10479 since latter may be from a later fixup.
10480 (expand_value_return): Correctly convert VAL when promoting function
10481 return; support RETURN_REG being a PARALLEL.
10482 (expand_return): When checking for result in regs and having
10483 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10485 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10487 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10488 last_nominal_fname): Mark const.
10489 (struct include_hash: name, nshort, control_macro): Mark
10491 (struct macrodef: symnam): Mark const.
10492 (struct if_stack: fname): Mark const.
10493 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10494 (IStable): New character-syntax array which encompasses all
10495 the old is_foo arrays.
10496 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10497 is_space): New macros for interrogating IStable.
10498 (check_macro_name): Kill last argument. All callers changed.
10500 * cppinit.c (initialize_char_syntax): Delete.
10501 (is_idchar, is_idstart, is_hor_space, is_space,
10502 trigraph_table): Delete.
10503 (IStable): New. Initialize with clever macros to avoid
10504 information duplication.
10505 (builtin_array): Table of builtins to get rid of explicit list
10506 in initialize_builtins.
10507 (initialize_builtins): Use builtins_array.
10508 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10509 opts->dollars_in_ident.
10511 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10513 (cpp_parse_expr): Avoid 'format string is not constant'
10514 warning. Use ISGRAPH to identify printable chars.
10515 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10517 (read_and_prescan): Map trigraphs to chars with open-coded
10518 if-else-if-... sequence, not a lookup table.
10519 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10521 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10522 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10523 (check_macro_name): Remove ability to report an invalid
10524 assertion name, which is never used.
10525 (do_line): Constify a couple of char *'s.
10526 * cppmain.c (main): Call cpp_cleanup before returning.
10528 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10530 * ggc.h (struct ggc_statistics): New type.
10531 (ggc_get_size): New function.
10532 (ggc_print_statistics): Likewise.
10533 * ggc-common.c (ggc_stats): New variable.
10534 (ggc_mark_rtx_children): Keep statistics.
10535 (ggc_mark_tree_children): Likewise.
10536 (ggc_print_statistics): New function.
10537 * ggc-page.c (struct globals): Add bytes_mapped field.
10538 (alloc_anon): Update it.
10539 (release_pages): Likewise.
10540 (ggc_get_size): New function.
10541 (ggc_page_print_statistics): New function.
10542 * ggc-simple.c (ggc_get_size): New function.
10544 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10546 * flow.c (propagate_block): When the last reference to a label
10547 before an ADDR_VEC is deleted because the reference is a dead
10548 store, delete the ADDR_VEC.
10550 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10552 * resource.c (find_free_register): Don't use the frame pointer
10553 if frame_pointer_needed.
10555 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10557 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10558 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10560 * config/i960/i960.c (i960_va_start): New locals base, num.
10561 Use INDIRECT_REF instead of ARRAY_REF on valist.
10562 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10564 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10566 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10568 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10570 * tree.def (PLACEHOLDER_EXPR): Update comments.
10572 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10574 * c-common.c (check_format_info): Avoid non-literal format string
10575 warnings when `first_arg_num' is zero.
10577 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10579 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10581 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10583 * arm.md (casesi_insn): Add a clobber of the condition code
10586 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10588 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10589 used by both cc1 and cc1plus.
10591 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10593 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10594 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10595 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10596 to the value 32 if it has not already been defined.
10597 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10598 Override definition in arm.h with a value of 8.
10600 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10602 * c-pragma.c (push_alignment): Don't check the return value
10605 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10607 * sparc.h (ADJUST_COST): Fix thinko.
10609 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10611 * cccp.c (rescan): Fixed obp pointer handling around call to
10612 check_expand subroutine.
10614 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10616 * gcse.c (delete_null_pointer_checks): Only record non-null info
10617 for pseudos when examining stores.
10619 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10620 splitters for these patterns. Use "#" for output templates.
10621 (addsi3_carryin_shift): New pattern.
10623 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10625 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10626 of the function return register into a plain REG until
10627 after function inlining is done.
10629 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10631 * jump.c (jump_optimize_1): If we did cross-jumping, and
10632 the data will matter, rebuild the CFG.
10633 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10634 not optimizing. Don't run shorten_branches.
10635 * toplev.c (rest_of_compilation): Run shorten_branches after
10638 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10640 * rtl.h (note_stores): Add additional paramter.
10641 * rtlanal.c (reg_set_p_1): Take additional paramter.
10642 (reg_set_last_1): Likewise.
10643 (reg_set_p): Adjust call to note_stores.
10644 (reg_set_last): Likewise.
10645 (note_stores): Pass data parameter to worker function.
10646 * alias.c (record_set): Take additional parameter.
10647 (init_alias_analysis): Pass it.
10648 * caller-save.c (mark_set_regs): Take additional parameter.
10649 (save_call_clobbered_regs): Pass NULL to note_stores.
10650 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10652 (record_dead_and_set_regs_1): Likewise.
10653 (reg_dead_at_p_1): Likewise.
10654 (combine_instructions): Adjust calls to note_stores.
10655 (try_combine): Likewise.
10656 (record_dead_insn): Remove.
10657 (record_dead_and_set_regs): Adjust calls to note_stores.
10658 (reg_dead_at_p): Likewise.
10659 * cse.c (invalidate_skipped_set): Take additional parameter.
10660 (cse_check_loop_start): Likewise.
10661 (cse_check_loop_start_value): Remove.
10662 (cse_set_around_loop): Adjust calls to note_stores.
10663 * flow.c (notice_stack_pointer_modification): Take additional
10664 parameter. Remove duplicate declaration.
10665 (record_volatile_insns): Adjust calls to note_stores.
10666 * gcse.c (record_set_info): Take additional parameter.
10667 (record_last_set_info): Likewise.
10668 (invalidate_nonnull_info): Likewise.
10669 (record_set_insn): Remove.
10670 (compute_sets): Adjust calls to note_stores.
10671 (last_set_insn): Remove.
10672 (compute_hash_table): Adjust calls to note_stores.
10673 (insert_insn_end_bb): Likewise.
10674 (delete_null_pointer_checks): Likewise.
10675 * global.c (mark_reg_store): Take additional parameter.
10676 (mark_reg_clobber): Likewise.
10677 (reg_becomes_live): Likewise.
10678 (global_conflicts): Adjust calls to note_stores.
10679 (build_insn_chain): Likewise.
10680 * integrate.c (note_modified_parmregs): Take additional parameter.
10681 (mark_stores): Likewise. Make it static.
10682 (save_for_inline_nocopy): Adjust calls to note_stores.
10683 (try_constants): Likewise.
10684 * integrate.h (mark_stores): Remove declaration.
10685 * jump.c (mark_modified_reg): Take additional parameter.
10686 (thread_jumps): Adjust calls to note_stores.
10687 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10689 (no_equiv): Likewise.
10690 (reg_is_set): Likewise.
10691 (validate_equiv_mem): Adjust calls to note_stores.
10692 (update_equiv_regs): Likewise.
10693 (block_alloc): Likewise.
10694 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10695 (note_addr_stored): Take additional parameter.
10696 (note_set_pseudo_multiple_uses): Likewise.
10697 (record_initial): Likewise.
10698 (prescan_loop): Adjust calls to note_stores.
10699 (strength_reduce): Likewise.
10700 (check_dbra_loop): Likewise.
10701 * regmove.c (flags_set_1): Take additional paramter.
10702 (mark_flags_life_zones): Adjust calls to note_stores.
10703 * reload1.c (mark_not_eliminable): Take additional parameter.
10704 (forget_old_reloads_1): Likewise.
10705 (reload_cse_invalidate_rtx): Likewise.
10706 (reload_cse_check_clobber): Likewise.
10707 (reload_combine_note_store): Likewise.
10708 (move2add_note_store): Likewise.
10709 (reload): Adjust calls to note_stores.
10710 (reload_as_needed): Likewise.
10711 (emit_reload_insns): Likewise.
10712 (reload_cse_regs_1): Likewise.
10713 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10714 (reload_combine): Adjust calls to note_stores.
10715 * resource.c (update_live_status): Take additional paramter.
10716 (mark_target_live_regs): Adjust calls to note_stores.
10717 * stupid.c (find_clobbered_regs): Take additional parameter.
10718 (stupid_life_analysis): Adjust calls to note_stores.
10720 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10722 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10725 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10728 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10729 of the variable arm_structure_size_boundary.
10731 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10733 * alias.c (init_alias_analysis): Allocate reg_known_value and
10734 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10736 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10737 * cse.c (cse_main): Call end_alias_analysis.
10738 * haifa-sched.c (schedule_insns): Likewise.
10739 * local-alloc. (update_equiv_regs): Likewise.
10740 * reload1.c (reload_cse_regs): Likewise.
10742 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10744 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10745 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10746 mapping from MASK_FPU.
10748 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10750 * sparc.md (call): Don't bound structure return size to 0xfff.
10752 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10754 * resource.c (mark_target_live_regs): Check that the target
10755 insn wasn't created after compute_bb_for_insn.
10757 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10759 * ggc-page.c (poison_pages): Don't be overzealous.
10761 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10763 * alias.c: Update comments for ADDRESS.
10764 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10765 it is a local memory reference.
10767 * c-typeck.c (build_function_call): Check that the built-in
10768 function is of class BUILT_IN_NORMAL before trying to recongize
10769 it as BUILT_IN_ABS.
10770 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10771 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10773 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10775 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10777 (pre_gcse): Likewise.
10778 (hoist_expr_reaches_here_p): Likewise.
10779 (hoist_code): Likewise.
10780 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10782 (pre_expr_reaches_here_p_work): ... here.
10783 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10785 (expr_reaches_here_p_work): ... here.
10787 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10789 * resource.c (find_basic_block): Delete.
10790 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10791 (init_resource_info): Call compute_bb_for_insn.
10793 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10795 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10796 with already adjacent blocks, but no fallthru.
10797 (merge_blocks_move_successor_nojumps): Simplify.
10798 (debug_flow_info): New.
10800 * toplev.c (rest_of_compilation): Open jump1 dump file before
10801 jump and close after, as opposed to just using dump_rtl.
10803 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10805 * reload.h (earlyclobber_operand_p): Declare.
10806 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10807 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10808 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10809 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10811 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10812 Richard Henderson <rth@cygnus.com>
10814 * emit-rtl.c (emit_block_insn_before): New.
10815 (emit_block_insn_after): New.
10816 * basic-block.h: Declare them.
10818 * bitmap.h: Protect from multiple inclusion.
10820 * recog.c (scratch_operand): Handle VOIDmode correctly.
10822 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10824 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10825 * function.c (assign_parms): Likewise.
10826 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10828 * reg-stack.c (max_uid): Remove.
10829 (blocks, block_begin, block_end, block_drops_in): Remove.
10830 (block_stack_in, block_out_reg_set, block_number): Remove.
10831 (struct block_info_def, BLOCK_INFO): New.
10832 (enum emit_where): New.
10833 (current_block): New.
10834 (BLOCK_NUM): Remove.
10835 (mark_regs_pat, record_label_references): Remove.
10836 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10838 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10839 (reg_to_stack): Simplified test for existance of fp code. Use
10840 flow.c code. Call shorten_branches after cross-jump opt.
10841 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10842 Return false if the asm doesn't use stack regs. Don't do life
10843 analysis on the asm.
10844 (emit_pop_insn): Replace function pointer arg `when' with
10845 enum `where'. Update all callers.
10846 (change_stack): Likewise. Update basic block end.
10847 (emit_swap_insn): Use current_block->head to limit reverse search
10848 for start of block. Use emit_block_insn_after.
10849 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10850 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10851 structure assignment instead of bcopy.
10852 (print_stack): New.
10853 (convert_regs_entry, convert_regs_exit): New.
10854 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10855 Work on basic blocks and the CFG.
10856 (convert_regs): Use them.
10858 * i386.c (output_fix_trunc): Remove code for DImode input operand
10859 not at top-of-stack.
10860 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10862 (fix_truncdi_1): Allow any mode scratch.
10864 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10866 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10867 * linux.h, netbsd.h, vms.h: Not here.
10869 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10871 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10872 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10873 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10874 CONDITIONAL_REGISTER_USEAGE): Use them.
10875 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10876 gen_conditional_branch,override_options) : Use them.
10877 * config/mips/mips.md : Use them.
10879 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10881 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10883 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10885 * integrate.c (function_cannot_inline_p): Don't allow inlining
10888 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10890 * c-parse.in (cast_expr): Constify.
10892 * cccp.c (special_symbol): Likewise.
10894 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10896 * dwarf2out.c (base_type_die): Likewise.
10898 * global.c (allocno_compare): Likewise.
10900 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10902 * regclass.c (fix_register): Likewise.
10904 * rtl.h (fix_register): Likewise.
10906 * stupid.c (stupid_reg_compare): Likewise.
10908 * toplev.c (decode_f_option): Likewise.
10910 * tree.c (build_complex_type): Likewise.
10912 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10914 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10916 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10918 * reload.c (find_reloads): Compute mode and nregs fields of all
10920 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10921 (calculate_needs): Use precomputed mode/nregs values.
10922 (allocate_reload_reg): Likewise.
10924 (failed_reload, set_reload_reg): ... new functions.
10925 (choose_reload_regs_init): New function, mostly broken out from...
10926 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10927 Also lose one #if 0 block.
10929 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10931 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10934 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10936 * tree.h (BLOCK_TYPE_TAGS): Remove.
10937 (BLOCK_END_NOTE): Likewise.
10938 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10939 (BLOCK_LIVE_RANGE_START): Likewise.
10940 (BLOCK_LIVE_RANGE_END): Likewise.
10941 (tree_block): Remove live_range_flag, live_range_var_flag, and
10942 type_tags. Remove end_note, live_range_start, and live_range_end.
10943 (remember_end_note): Remove prototype.
10944 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10945 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10947 * ggc-common.c (ggc_mark_tree_children): Don't mark
10948 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10949 * integrate.c (adjust_copied_decl_tree): Remove.
10950 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10951 * stmt.c (last_block_end_note): Remove.
10952 (init_stmt): Don't add a GC root for it.
10953 (expand_fixup): Don't set it.
10954 (remember_end_note): Remove.
10955 (expand_end_bindings): Don't set last_block_end_note.
10957 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10959 * reload1.c (reload_reg_free_for_value_p): Show
10960 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10963 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10965 * expmed.c (extract_bit_field): Allow for the case of non-integer
10966 objects that are smaller than a word (like SFmode on a 64-bit
10969 * loop.c (basic_induction_var): A non-integer variable which is
10970 being set by a paradoxical subreg is probably not a biv.
10972 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10974 * prefix.c (translate_name) Check for empty prefix string.
10976 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10978 * Makefile.in (CPP_CROSS_NAME): New variable.
10979 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10981 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10982 names of the files to be uninstalled.
10984 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10986 * collect2.c (IS_DIR_SEPARATOR): Define.
10987 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10989 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10992 * haifa-sched.c (add_dependence): Update the true dependency
10993 cache the first time we add a true dependence to the LOG_LINKS chain.
10995 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10997 * fold-const.c (fold): Fix comment.
10999 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11001 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
11002 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
11003 dbxout_start_new_source_file, dbxout_source_file,
11004 dbxout_source_line, dbxout_finish, dbxout_type_fields,
11005 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
11007 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
11008 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
11009 (dbxout_block): Initialize variable `blocknum'.
11011 * dbxout.h (dbxout_init, dbxout_finish,
11012 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
11013 dbxout_args, dbxout_source_line): Constify a char*.
11015 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
11016 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
11017 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
11018 low_pc_attribute, high_pc_attribute, body_begin_attribute,
11019 body_end_attribute, comp_dir_attribute, sf_names_attribute,
11020 src_info_attribute, mac_info_attribute, producer_attribute,
11021 lookup_filename, generate_macinfo_entry, fundamental_type_code,
11022 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
11023 dwarfout_undef): Constify a char*.
11024 (add_incomplete_type, retry_incomplete_types): Add prototypes.
11026 * dwarfout.h (dwarfout_define, dwarfout_undef,
11027 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
11029 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
11031 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
11032 (MULTILIB_ISA_DEFAULT): New.
11033 (MULTILIB_DEFAULTS): Use it.
11034 * config/mips/mips.c (): Remove the now unnecessary definition
11035 of MIPS_ISA_DEFAULT.
11036 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
11037 unnecessary definition.
11039 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
11041 * arm.md (pic_load_addr): Add constraints to operand 1.
11043 1999-10-25 Bruce Korb <autogen@linuxbox.com>
11045 * fixinc/genfixes: Provide a means for specifying -D options to
11048 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
11050 * arm.c (arm_override_options): Correct initialization of
11051 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
11052 arm_is_strong, and arm_is_6_or_7.
11054 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
11055 (note_set_pseudo_multiple_uses): New function.
11056 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
11057 if a pseudo set in the loop exit is used elsewhere.
11059 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
11061 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
11063 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
11065 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
11066 a single load-address pattern.
11068 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
11070 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
11071 depending on whether or not line-number notes are present.
11073 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11075 * cccp.c (progname, file_buf, default_include, include_file,
11076 macrodef, definition, hashval, wchar_type, user_label_prefix,
11077 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
11078 expand_to_temp_buffer, is_system_include, base_name,
11079 absolute_filename, read_name_map, open_include_file,
11080 record_control_macro, check_precompiled, check_preconditions,
11081 pcfinclude, pass_thru_directive, create_definition,
11082 check_macro_name, comp_def_part, collect_expansion,
11083 check_assertion, read_token_list, assertion_install,
11084 assertion_lookup, eval_if_expression, conditional_skip,
11085 validate_else, skip_quoted_string, quote_string, macarg1,
11086 error_from_errno, install, lookup, hashf, dump_defn_1,
11087 perror_with_name, pfatal_with_name, main, trigraph_pcp,
11088 check_white_space, rescan, handle_directive, monthnames,
11089 special_symbol, do_include, remap_include_file, write_output,
11090 arglist, do_assert, do_unassert, do_line, do_error, do_once,
11091 do_ident, do_sccs, do_xifdef, skip_if_group,
11092 output_line_directive, macroexpand, macarg, change_newlines,
11093 initialize_builtins, make_definition): Constify a char*.
11095 * pcp.h (stringdef): Likewise.
11097 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
11099 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
11102 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
11103 Richard Henderson <rth@cygnus.com>
11105 * alias.c: Include ggc.h.
11106 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
11107 (record_set): Verify enough room in reg_base_value.
11108 (init_alias_analysis): Allocate reg_base_value with xcalloc.
11109 Register it as a GC root.
11110 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
11111 * Makefile.in (alias.o): Depend on ggc.h.
11113 * unroll.c (unroll_loop): Verify the insn before a barrier
11114 is a JUMP_INSN before checking JUMP_LABEL.
11116 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11118 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
11119 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
11120 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
11121 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
11122 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
11123 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
11125 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11127 * output.h (ctors_section, dtors_section, bss_section): Prototype.
11129 * alpha/alpha-interix.h (text_section): Delete prototype.
11130 * alpha/elf.h (text_section): Likewise.
11131 * arm/linux-elf.h (text_section): Likewise.
11132 * arm/linux-telf.h (text_section): Likewise.
11133 * c4x/c4x.h (text_section): Likewise.
11134 * dsp16xx/dsp16xx.h (bss_section): Likewise.
11135 * elfos.h (text_section): Likewise.
11136 * i386/aix386ng.h (text_section): Likewise.
11137 * i386/i386-interix.h (text_section): Likewise.
11138 * i386/sco5.h (text_section): Likewise.
11139 * i386/svr3gas.h (text_section): Likewise.
11140 * nextstep.h (text_section): Likewise.
11141 * psos.h (text_section): Likewise.
11142 * ptx4.h (text_section): Likewise.
11143 * svr3.h (text_section): Likewise.
11144 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
11146 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11148 * final.c (peephole): Delete prototype.
11150 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
11151 (pre_insert_copies): Remove unused variable `bb'.
11153 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
11156 * output.h (peephole): Add prototype.
11158 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
11160 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
11163 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
11165 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
11166 for inlined declarations.
11168 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
11170 * arm.c (logical_binary_operator): New fucntion.
11171 * arm.h (logical_binary_operator): Declare it.
11172 (PREDICATE_CODES): Handle logical_binary_operator.
11173 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
11174 output constraints. Add appropriate splitters.
11175 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
11176 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
11177 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
11179 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11181 * genoutput.c (struct operand_data): New elt eliminable.
11182 (output_operand_data): Write it.
11183 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
11184 (compare_operands): Take it into account.
11185 * recog.h (struct insn_operand_data): New elt eliminable.
11186 * reload1.c (check_eliminable_occurrences, elimination_effects): New
11188 (old_asm_operands_vec, new_asm_operands_vec): Delete.
11189 (eliminate_regs): Move code that detects changes to elimination
11190 target regs into new function elimination_effects.
11191 Delete one #if 0 block.
11192 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
11193 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
11194 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
11195 Only call eliminate_regs for real operands of the insn, not for parts
11196 of its structure or parts matched by things like match_operator.
11197 Use elimination_effects and check_eliminable_occurrences. Use
11198 copy_insn to duplicate the pattern when not in the final pass.
11200 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
11202 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
11205 1999-10-22 Bruce Korb <autogen@linuxbox.com>
11207 * fixinc/README: document the "mach" machine matching test
11208 * fixinc/fixfixes.c: Implement the #else/#endif label fix
11209 * fixinc/fixtests.c: Implement the #else/#endif label test
11210 * fixinc/inclhack.def: utilize these tests and fixes
11211 * fixinc/inclhack.sh: regen
11212 * fixinc/fixincl.x: regen
11213 * fixinc/fixincl.sh: regen
11215 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
11217 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
11220 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
11222 * gcc.1: Document exit codes.
11224 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11226 * calls.c: Include tm_p.h later, so everything we need is defined.
11227 * expr.c: Likewise.
11228 * function.c: Likewise.
11230 * except.c: Include tm_p.h.
11232 * sparc.c: Likewise.
11233 (dwarf2out_cfi_label): Don't prototype.
11234 (check_return_regs, epilogue_renumber,
11235 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11236 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
11237 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
11238 ultra_schedule_insn): Add static prototype.
11239 (data_segment_operand, text_segment_operand): Call itself with the
11240 proper number of arguments.
11241 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
11243 * sparc.h: Move all declarations to sparc-protos.h.
11244 (SELECT_RTX_SECTION): Pass a missing MODE argument to
11247 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
11249 * config/svr4.h (text_section, ctors_section, dtors_section): Add
11251 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
11252 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11253 ASM_OUTPUT_ASCII): Constify a char*.
11255 * sparc-protos.h: New file for sparc prototypes.
11257 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11259 * function.c (record_insns, contains): Always declare and define.
11260 (record_insns): Mark with ATTRIBUTE_UNUSED.
11262 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11264 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
11265 to .section when outputting a .bss section to deal with multiple
11266 .bss input sections (as happens with -fdata-sections)
11267 Also output %progbits, not @progbits so the assembler doesn't treat as
11269 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
11271 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
11272 thumb parts even when building with non-thumb CPUs, by forcing
11275 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
11277 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
11278 (movdf_const_intreg_sp64): Similarly.
11280 * local-alloc.c (update_equiv_regs): Check the correct insn
11281 for pre-existing REG_EQUIV notes.
11283 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
11285 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
11286 block reached by a branch if we're not going to actually process
11289 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
11291 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
11292 a local extern function declaration.
11294 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
11296 * i386.c (ix86_expand_prologue): Properly wrap USE around
11297 reg for CALL_INSN_FUNCTION_USAGE.
11299 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
11301 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11302 move between GP_REGs.
11304 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11306 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11307 the mode size when finding out if an offset is legal.
11309 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11311 * basic-block.h (PROP_*): Move constants from ...
11312 * flow.c: ... here.
11313 (compute_bb_for_insn): Free the array before reallocating.
11314 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11315 (allocate_reg_life_data): Reset all reg variables collected by
11317 (get_block_head_tail): Don't convert from bb to block.
11318 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11319 (find_insn_reg_weight): Take block not bb.
11320 (schedule_block): Don't set block num for moved insns.
11321 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11322 (schedule_insns): Do it here instead.
11323 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11324 before update_life_info.
11325 * recog.c (split_all_insns, peephole2_optimize): Update for
11326 new arg to update_life_info.
11327 * rtlanal.c (remove_note): Cope with NULL note.
11328 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11331 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11333 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11335 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11336 block records so that merge_blocks_nomove will clean up correctly.
11337 (split_edge): Handle casesi insns.
11339 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11341 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11343 * pa.md (call, call_value): Do not emit a blockage after restoring
11346 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11348 * c-typeck.c (c_expand_asm_operands): Fix typo.
11350 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11352 * arm.c (fpu_rhs_operand): Verify modes.
11353 (fpu_add_operand): Likewise.
11354 (di_operand): Likewise.
11355 (soft_df_operand): Likewise.
11357 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11359 * arm.c (arm_return_in_memory): APCS rules state that the elements
11360 of a structure returned in a register must be 'integer-like'.
11362 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11364 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11365 in the source tree when the generated targets are out of date
11366 * fixinc/genfixes: Alter it to run individual fixes for make.
11367 * fixinc/README: rewrite
11368 * fixinc/inclhack.def: moved initial comments to README
11370 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11372 * toplev.c (main): Do not generate an error message if an
11373 unrecognised command line switch is recognisable by another
11374 language. If extra_warnings are enabled, then generate a
11375 warning message instead.
11377 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11379 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11380 (insert_pack_attributes): Delete prototype.
11382 * c-pragma.c (default_alignment): New static variable.
11383 (push_alignment): Initialize to current effective alignment.
11384 (pop_alignment): Use to set new alignment.
11385 (insert_pack_attributes): Delete function.
11386 (handle_pragma_token): Set default_alignment as well each time
11387 a #pragma pack(<n>) is encountered.
11389 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11391 * reg-stack.c (stack_result): Aggregates are not returned in
11394 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11396 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11398 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11400 * basic-block.h (set_block_num): Declare.
11401 * flow.c (update_life_info): Don't call compute_bb_for_insn
11402 or free_basic_block_vars.
11403 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11404 (insn_orig_block): Remove.
11405 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11406 (schedule_block): Keep BLOCK_NUM up-to-date.
11407 (schedule_insns): Use compute_bb_for_insn.
11408 * recog.c (split_all_insns): Likewise.
11409 (peephole2_optimize): Likewise.
11411 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11413 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11414 if the pic register is used.
11416 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11418 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11419 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11420 if that tests TREE_PERMANENT.
11422 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11424 * cse.c (invalidate_for_call): Do not remove memory references from
11425 the table here. It's handled elsewhere.
11427 * haifa-sched.c (add_dependence): Protect references to the
11428 true dependency cache with #ifdef INSN_SCHEDULING.
11429 (remove_dependence): Similarly.
11431 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11432 to the cfg code that this is a return instruction.
11433 * mn10300.md (return_internal): Similarly.
11435 * combine.c (get_last_value): If the last set of a register
11436 is after subst_low_cuid, then we can not use it to determine
11437 the register's last value.
11439 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11441 * Makefile.in: Back out previous change.
11443 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11445 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11447 * haifa-sched.c (add_dependence): Only check/update the cache
11449 (remove_dependence): Likewise.
11450 (schedule_insns): Only create the true_dependency_cache if the
11451 average number of instructions in a basic block is very large.
11453 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11455 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11456 (ggc-simple.o): Likewise.
11457 (ggc-page.o): Likewise.
11459 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11461 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11462 Prototype for exported functions.
11463 (pre_lcm, pre_rev_lcm): Remove prototypes.
11464 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11465 (compute_available): Move to lcm.c, and change parameter order.
11466 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11467 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11468 (gcse_main): No longer call compute_preds_succs. Rebuild the
11469 set table after reach pre pass.
11470 (pre_insert_map, pre_delete_map, edge_list): New.
11471 (alloc_pre_mem): Allocate edge vectors.
11472 (free_pre_mem): Delete edge vectors.
11473 (compute_pre_data): Call new edge based lcm routines.
11474 (process_insert_insn): New function.
11475 (insert_insn_end_bb): Use it.
11476 (pre_edge_insert): New function.
11477 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11479 (pre_insert_copies): Revamp using new edge based lcm outputs.
11480 (pre_delete): Likewise.
11481 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11483 (compute_code_hoist_vbeinout): New new edge based routines.
11484 * lcm.c: Remove all the old LCM functions. Replace with new ones
11485 that work with the new cfg datastructures and work with edges
11488 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11490 * reload.h (struct reload): Add new fields "mode" and "nregs".
11491 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11492 to reference the "mode" and "nregs" field within struct reload.
11494 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11496 * haifa-sched.c (true_dependency_cache): New.
11497 (add_dependence): Use the true dependency cache to avoid expensive
11498 walks down the LOG_LINKS dependency list. Add entries to the
11499 cache as necessary.
11500 (remove_dependence): Remove entries from the true dependency cache
11502 (schedule_insns): Allocate and initialize and free the true
11505 * haifa-sched.c (schedule_insns): Do not remove inter-block
11506 dependencies anymore.
11508 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11510 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11511 * i386/t-winnt: Likewise.
11513 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11515 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11517 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11519 * Makefile.in (LANGUAGES): Omit "proto".
11520 (clean): Remove stale comment about removing unprotoize.c.
11522 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11524 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11525 using arithmetic on void pointers.
11527 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11529 * haifa-sched.c (compute_block_forward_dependencies): Only check
11530 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11532 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11534 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11535 (expr_equiv_p): Reject memories with different alias sets.
11537 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11539 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11540 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11541 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11542 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11543 (lang_init): Set default for flag_bounds_check if still "unspecified".
11545 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11547 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11549 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11551 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11554 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11556 * config/c4x/c4x.md (*db_noclobber,
11557 *decrement_and_branch_until_zero_noclobber): New patterns and
11558 associated splitters.
11560 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11562 * config/c4x/c4x.md (parallel instruction patterns): Rework
11563 constraints to keep reload happy.
11565 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11567 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11568 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11569 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11570 Add new patterns and associated post-reload splitters.
11572 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11574 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11576 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11578 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11580 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11582 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11584 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11587 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11589 * pa.c (move_operand): Rely on memory_address_p to determine the
11590 validity of non-indexed memory addresses.
11591 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11592 operand in DFmode and SFmode when generating PA2.0 code.
11594 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11596 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11598 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11600 * mips.c (function_prologue): Fix argument types.
11601 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11602 (casesi_internal): Write to the scratch register.
11604 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11606 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11608 (parse_charconst): Delete unnecessary cast when calling
11610 (cpplib.h): Kill prototype of cpp_parse_escape.
11612 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11614 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11615 * unroll.c (unroll_loop): Cast return value of alloca.
11616 * i370/i370.c: Include function.h and toplev.h.
11617 (i370_label_scan): Remove c++ commented abort.
11618 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11619 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11620 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11621 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11623 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11625 * config/t-freebsd: Do not override USER_H.
11626 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11628 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11629 Mumit Khan <khan@xraylith.wisc.edu>
11631 * c-parse.in (component_decl): Support anonymous struct/union.
11633 * c-parse.y: Regenerate.
11634 * c-parse.c: Likewise.
11635 * objc/objc-parse.y: Likewise.
11636 * objc/objc-parse.c: Likewise.
11637 * c-decl.c (finish_struct): Don't sort the fields.
11638 (field_decl_cmp): Delete unused function.
11640 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11642 * sparc.md (movsf_const_intreg): Revert last constraint change.
11643 (movdf_const_intreg_sp32): Likewise.
11645 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11647 * cse.c: Include hashtab.h instead of splay-tree.h
11648 (struct cse_reg_info): No longer use variant union. Add new
11649 field "regno". All references changed to avoid union.
11650 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11651 (free_cse_reg_info): Remove.
11652 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11653 (get_cse_reg_info): Revamp to use expandable hash tables instead
11654 of splay trees. Initialize new fields in cse_reg_info structure.
11655 (new_basic_block): Similarly.
11657 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11659 * genrecog.c (message_with_line): Prototype.
11660 (validate_pattern): Pass along the set for the dest, not a flag.
11661 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11662 Check for PC/CC0 as sources.
11663 (nodes_identical): Check for children position match before
11664 allowing the combination.
11666 * rtl.c (read_rtx): Track line number across \\\n.
11668 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11670 * mips.h (SPECIAL_MODE_PREDICATES): New.
11671 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11672 (movdi+1, movsi+1): Add output reload constraint.
11673 (casesi_internal): Likewise. Fix commentary.
11674 (return_internal): Use pmode_register_operand.
11676 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11678 * 1750a.md (movstrqi): Add missing output reload constraint.
11679 (call_value): Likewise.
11680 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11681 (jmpfdec): Add missing inout reload constraint.
11682 * elxsi.md (addsi patterns): Add missing output reload constraint.
11683 (move from sp): Use @ alternates.
11684 (call_value): No constraint on output.
11685 * fr30.md (movsi_pop): Add missing output reload constraint.
11686 (movsf_constant_store): Likewise.
11687 (splits): Remove constraints.
11688 (subsi3): Add missing mode.
11689 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11690 (call_value): Likewise.
11691 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11692 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11693 * m32r.md (movsicc_internal): Add output reload constraint.
11694 (movstrsi_internal): Add inout reload constraints.
11695 * m88k.h (reg_names): Don't declare.
11696 (SPECIAL_MODE_PREDICATES): New.
11697 * m88k.md (*): Use register_operand not reg_or_0_operand
11699 * mn10200.h (PREDICATE_CODES): New.
11700 * ns32k.md (ffs pattern): Add output reload constraint.
11701 * pdp11.md (sob pattern): Add inout reload constraint.
11702 * sh.md (splits): Remove constraints.
11703 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11704 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11705 * vax.md (jgequ pattern): Add inout reload constraint.
11707 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11709 * configure.in (djgpp): Revert previous patch.
11710 * configure: Rebuit.
11711 * config/i386/djgpp.h: Revert previous patch.
11713 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11715 * fixinc/inclhack.def: Restore patch lost during last merge of
11716 "no_bogosity" branch.
11717 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11719 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11721 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11722 * fixinc/inclhack.def: Same.
11723 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11725 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11727 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11728 as the base of a PLUS.
11730 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11732 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11733 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11735 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11737 * pa.md (post_stw+1): Use pmode_register_operand.
11738 (dcacheflush, icacheflush): Likewise.
11740 * i386.md (movstricthi_1): Allow r/r.
11742 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11744 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11745 to (not (and (arg0) (arg1))). Similary for and.
11747 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11748 fallthrough to associate code.
11749 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11752 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11753 no bits in common; remove XOR to ROTATE conversion.
11755 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11757 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11759 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11761 * config/c4x/c4x.c (dst_operand): New.
11762 (PREDICATE_CODES): Update.
11763 * config/c4x/c4x.h (dst_operand): Declare it.
11764 * config/c4x/c4x.md: Define mode for each unspec usage.
11765 (move patterns): Use dst_operand predicate instead of src_operand.
11766 (movqi_update, movqf_update): Delete.
11768 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11770 * recog.c (pmode_register_operand): New.
11771 * recog.h: Declare it.
11772 * genrecog.c (pred_codes): Likewise.
11773 (special_mode_pred_table): Likewise.
11774 (validate_pattern): Don't warn no mode for address_operand.
11776 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11777 if the operand is not insn-like.
11779 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11780 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11782 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11784 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11786 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11787 instead of general_operand in a SET_DEST. Use const_double_operand
11788 instead of an explicit test against CONST_DOUBLE.
11789 (movsf_const_lo): Add missing register mode.
11790 (goto_handler_and_restore): Add auxiliary test for Pmode.
11791 (flush): Adjust to use address_operand.
11792 (return_sf_no_fpu): Add missing output constraint.
11794 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11796 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11797 for call return value.
11798 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11800 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11802 * toplev.c (main): Only warn about options for other languages.
11803 * collect2.c (main): Pass -w to sub-gcc.
11805 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11807 * flow.c (propagate_block): Add call-clobbered registers to
11810 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11811 zapping mem_set_list.
11812 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11813 (mark_set_1, mark_used_regs): Likewise.
11815 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11817 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11819 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11821 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11822 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11823 options. Also add a new item "C-only Warning Options" to the
11826 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11828 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11829 from multiple calls.
11831 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11833 * i386.md (call value patterns): Move to the end of the file.
11834 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11836 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11838 * configure.in (djgpp configuration): Define extra_objects..
11839 * configure: Rebuilt.
11840 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11841 (DTORS_SECTION_ASM_OP): Define.
11842 (INIT_SECTION_ASM_OP): Define.
11843 (FINI_SECTION_ASM_OP): Define.
11844 (DATA_SECTION_ASM_OP): Define.
11845 (TEXT_SECTION_ASM_OP): Define.
11846 (EH_FRAME_SECTION_ASM_OP): Define.
11847 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11848 (STARTFILE_SPEC): Add crtbegin.o.
11849 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11850 to here from LINK_COMMAND_SPEC.
11851 (DO_GLOBAL_CTORS_BODY): Define.
11852 (CRTSTUFF_USE_FINI_SECTION): Define
11853 (HAS_INIT_SECTION): Delete.
11855 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11857 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11859 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11861 * pa.h (PREDICATE_CODES): New.
11863 * genrecog.c (validate_pattern): Condense the destination
11864 non-lvalue message.
11866 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11868 * alpha.md (call-1): Supply missing mode for operator.
11869 (*): Add missing output reload constraints. Remove constraints
11870 from define_splits.
11872 * i386.h (SPECIAL_MODE_PREDICATES): New.
11873 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11874 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11875 (addsi_lea_3): Add missing mode for op 3.
11876 (prologue_set_got, prologue_get_pc): Add missing modes.
11877 (*) Add missing output reload constraints.
11879 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11881 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11882 check for member bit-size overflow and use var_size if it occurs.
11883 (layout_record): Use bitsize_int() to define the type size in bits.
11884 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11885 (layout_decl): Likewise when assigning to DECL_SIZE.
11887 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11889 * genrecog.c (validate_pattern): Typo last change. Verify
11890 that output operands have output reloads.
11892 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11894 * genrecog.c (special_mode_pred_table): New.
11895 (NUM_SPECIAL_MODE_PREDS): New.
11896 (find_operand): New.
11897 (validate_pattern): New argument `insn'. Warn for assignment to
11898 any predicate accepting non-lvalues. Conditionaly warn for
11899 match_operand without a mode. Try much harder to match source
11900 and destination modes on a set.
11901 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11903 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11905 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11907 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11909 * combine.c (simplify_logical): Recognize xor pattern that encodes
11912 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11914 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11917 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11919 * ggc-page.c (MAP_FAILED): Provide default.
11921 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11923 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11924 * sparc.h (PREDICATE_CODES): Update.
11926 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11928 * alpha.c (some_ni_operand): New.
11929 * alpha-protos.h: Declare it.
11930 * alpha.h (PREDICATE_CODES): Update.
11931 * alpha.md (sXaddq reload insns): Use some_ni_operand
11932 for SET_DEST instead of some_operand.
11934 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11935 Jim Wilson <wilson@cygnus.com>
11937 * genrecog.c (maybe_both_true_2): Don't compare modes of
11939 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11940 after find_afterward.
11941 (debug_decision_1): Dump next and afterward codes.
11943 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11945 * rtl.c (dump_and_abort): Remove.
11946 (fatal_with_file_and_line): New.
11947 (fatal_expected_char): New.
11948 (read_rtx_lineno, read_rtx_filename): New.
11949 (read_skip_spaces): Track line number.
11950 (read_name): Use fatal_with_file_and_line.
11951 (read_rtx): Use fatal_expected_char. Track line number.
11952 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11954 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11955 if it isn't a CODE_LABEL.
11957 * genattr.c (main): Set read_rtx_filename.
11958 * genattrtab.c (main): Likewise.
11959 * gencodes.c (main): Likewise.
11960 * genconfig.c (main): Likewise.
11961 * genemit.c (main): Likewise.
11962 * genextract.c (main): Likewise.
11963 * genflags.c (main): Likewise.
11964 * genopinit.c (main): Likewise.
11965 * genoutput.c (main): Likewise.
11966 * genpeep.c (main): Likewise.
11968 * genrecog.c (decision_test.u.insn): Add `lineno'.
11969 (pattern_lineno, error_count): New variables.
11970 (message_with_line): New.
11971 (add_to_sequence): Break out checking code to ...
11972 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11973 (merge_insn): Use message_with_line.
11974 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11975 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11977 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11979 * expr.c (store_constructor): Clear union if constructor is empty.
11981 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11983 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11984 Add !endian checks. Change %{...} to %(...).
11986 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11988 * i386.md (*addsi3_cc): Renamed from addcsi3.
11989 (*addsi3_carry): Renamed from addxsi3.
11990 (*subsi3_cc): Renamed from subcsi3.
11991 (*subsi3_carry): Renamed from subxsi3.
11992 (*xorqi_cc_1): Renamed from xorcqi_1.
11993 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11994 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11996 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11998 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11999 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
12001 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
12003 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
12004 climb up the chain of insns.
12006 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
12008 * genrecog.c (write_subroutine): Careful for null trees.
12009 (process_tree): Don't elide empty functions.
12011 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
12013 * Makefile.in (genrtl.o): Depend on ggc.h.
12014 * configure.in (valloc): Probe for it.
12015 (with-gc): Use ggc-page if valloc present.
12016 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
12017 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
12018 (ggc_alloc_string): Moved from ggc-page.c.
12019 * ggc-none.c (ggc_alloc_obj): New.
12020 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
12021 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
12022 (struct globals): Likewise for dev_zero_fd.
12023 (init_ggc): Likewise for it's initialization.
12024 (ggc_allocated_p): Move careful dereference from ...
12025 (ggc_lookup_page_table): ... here. Delete.
12026 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
12027 (alloc_anon): Use valloc if no mmap.
12028 (release_pages): Use free if using valloc.
12029 (ggc_alloc_obj): Renamed from alloc_obj.
12030 (ggc_set_mark): Renamed from mark_obj.
12031 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
12032 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
12033 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
12034 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
12035 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
12036 (ggc_collect): Use fp printing instead of our own rounding.
12037 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
12038 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
12039 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
12040 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
12041 (struct ggc_string, struct ggc_any): Delete.
12042 (offsetof): Provide default definition.
12043 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
12045 (struct ggc_mem): New, from corpse of ggc_any.
12046 (struct ggc_status): Delete.
12047 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
12048 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
12049 (n_strings_collected, n_anys_collected): Delete.
12050 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
12051 (ggc_alloc_string, ggc_alloc): Delete.
12052 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
12053 (ggc_free_string, ggc_free_any): Delete.
12054 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
12055 (ggc_compare_addresses, ggc_mark_string): Delete.
12056 (ggc_mark_string_if_gcable, ggc_mark): Delete.
12057 (search_data): Delete.
12058 (struct globals): New.
12059 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
12060 (tree_insert, tree_lookup): New.
12061 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
12062 (clear_marks, sweep_objs): New.
12063 (ggc_collect): Gut. Use clear_marks, sweep_objs.
12064 (init_ggc): Set allocated_last_gc.
12065 (ggc_push_context): Gut. Use G.context.
12066 (ggc_pop_context): Likewise.
12067 (ggc_pop_context_1): New.
12068 (debug_ggc_tree): New.
12069 (debug_ggc_balance, tally_leaves): New.
12070 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
12071 (ggc_mark_string_if_gcable): Remove decl.
12072 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
12073 (ggc_mark_rtvec_children): New.
12074 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
12075 (ggc_mark_if_gcable): New decl.
12076 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
12077 (ggc_alloc_tree, ggc_alloc): Likewise.
12078 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
12079 (ggc_alloc_obj): New decl.
12080 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
12081 (ggc_alloc_tree, ggc_alloc): Likewise.
12082 (ggc_set_mark): New decl.
12083 * rtl.h (struct rtx_def): Remove gc_mark.
12084 (struct rtvec_def): Likewise.
12085 * tree.h (struct tree_common): Likewise.
12087 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
12089 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
12090 float_format and thread_file definitions.
12091 * configure: Rebuilt.
12093 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
12095 * extend.texi (Function Names): Document types of function names.
12097 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12099 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12100 an earlyclobbered output conflict with RELOAD_INPUT reloads.
12102 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12104 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
12106 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12108 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
12110 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
12112 * collect2.c (main): Do prelimnary link on AIX if rflag.
12114 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12116 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
12117 __CTOR_LIST__ in opposite order, which is the correct order for sorted
12119 (__do_global_dtors): similarly for __DTOR_LIST__.
12121 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12122 Diego Novillo <dnovillo@cygnus.com>
12124 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
12127 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
12129 * fixincl/*: Merged "no_bogosity" branch
12130 * fixincl/fixlib.h: protect against doubly defining t_bool
12131 * fixincl/server.h: protect against doubly defining t_bool
12133 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
12135 * genoutput.c: Include toplev.h.
12137 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
12139 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
12141 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
12142 * configure: Regenerate.
12144 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12146 * gcse.c (delete_null_pointer_checks): Returns void.
12148 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12150 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
12151 * emit-rtl.c (copy_insn_1): Likewise.
12153 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12155 * config/mips/mips.c (mips_build_va_list): Correct
12156 TREE_CHAIN setting when hard-float.
12157 (mips_va_start): Use corrected setting.
12158 (mips_va_arg): Likewise. Also pass a tree to build of
12159 POSTINCREMENT_EXPR rather than a naked 'int'.
12161 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
12163 * ggc.h (ggc_push_context): Fix comment.
12164 (ggc_pop_context): Likewise.
12165 (mark_string_if_gcable): Likewise.
12166 * ggc-common.c (ggc_mark_rtx_children): Use
12167 ggc_mark_string_if_gcable.
12168 * ggc-page.c (ggc_lookup_page_table): New function.
12169 (ggc_allocated_p): Likewise.
12170 (mark_obj): Fix formatting.
12171 (ggc_mark_string_if_gcable): New function.
12172 * ggc-simple.c (ggc_allocated_strings): New variable.
12173 (ggc_strings_used): Likewise.
12174 (ggc_compare_addresses): New function.
12175 (ggc_pop_context): Pop the `any' memory too.
12176 (ggc_mark_string_if_gcable): New function.
12177 (ggc_collect): Initialize and tear down ggc_allocated_strings.
12179 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
12181 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
12182 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
12183 * rs6000.c (expand_block_move): Match movstrsi_?reg register
12186 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
12188 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
12189 (sched_reg_live_length, sched_reg_basic_block): Delete.
12190 (current_block_num, bb_live_regs, old_live_regs): Delete.
12191 (dead_notes, struct sometimes): Delete.
12192 (sched_note_set, birthing_insn_p): Delete.
12193 (adjust_priority): Gut useless reg lifetime code.
12194 (create_reg_dead_note, attach_deaths): Delete.
12195 (attach_deaths_insn, new_sometimes_live): Delete.
12196 (finish_sometimes_live): Delete.
12197 (find_pre_sched_live, find_post_sched_live): Delete.
12198 (update_reg_usage): Delete.
12199 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
12200 (schedule_insns): Delete reg lifetime code.
12201 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
12202 (unlink_other_notes): Adjust REG_NOTE commentary.
12203 (reemit_notes): Use REG_SAVE_NOTE.
12204 (schedule_block): Likewise.
12205 (schedule_region): Allocate bitmap of blocks in region. Use
12206 count_or_remove_death_notes. Use update_life_info.
12208 * rtl.h (REG_SAVE_NOTE): New.
12209 * rtl.c (reg_note_name): Update.
12211 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
12213 * combine.c (refresh_blocks, need_refresh): New.
12214 (combine_instructions): Allocate refresh_blocks. Invoke
12215 update_life_info if needed.
12216 (distribute_notes): Mark refresh_blocks instead of installing
12218 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
12219 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
12221 * Makefile.in (recog.o): Depend on basic-block.h.
12223 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
12225 * genrecog.c (add_to_sequence): Thinko last change: delete
12226 shadowing allow_const_int variable.
12228 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12230 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
12231 __GNUC__ and __GNUC_MINOR__.
12233 * gansidecl.h: Likewise.
12239 * toplev.h: Likewise.
12241 * tree.c: Likewise.
12243 * tree.h: Likewise.
12245 * varray.c: Likewise.
12247 * varray.h: Likewise.
12249 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12251 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
12252 use one before a jump table.
12254 * rtl.def (ADDRESS): Change documentation to match reality.
12255 * md.texi: Don't document it.
12256 * gmicro.md (load address pattern): Use 'p' constraint, delete use
12259 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
12261 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
12263 * genrecog.c (add_to_sequence): Move allow_const_int test outside
12264 known predicate block; default allow_const_int true.
12265 (debug_decision_list): New.
12267 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
12269 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
12271 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
12273 * gcse.c (gcse_main): Avoid global optimizations if we have a
12274 large number of basic blocks and the ratio of edges to blocks
12276 (delete_null_pointer_checks): Likewise.
12278 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
12280 * c-common.c (check_format_info): Warn if format string isn't a
12283 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12285 * configure.in (arm*-*-*): Don't let autoconf remove brackets
12286 * configure: regenerate
12288 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
12290 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
12291 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
12292 (peepholes): Re-enable.
12294 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
12296 * Makefile.in (flow.o): Depend on TREE_H.
12297 * basic-block.h (REG_SET_EQUAL_P): New.
12298 (XOR_REG_SET): New.
12299 (n_edges): Declare.
12300 (free_regset_vector): Remove declaration.
12301 (flow_delete_insn_chain): Declare.
12302 (enum update_life_extent): New.
12303 (update_life_info, count_or_remove_death_notes): Declare.
12304 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12305 Verify register live at bb->global_live_at_start before adding USE.
12306 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12307 (CLEAN_ALLOCA): New.
12309 (PROP_*): New flags.
12310 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12311 (clear_edges): Zero n_edges.
12312 (make_edge): Increment n_edges.
12313 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12314 (flow_delete_insn_chain): Export.
12315 (delete_block): Decrement n_edges.
12316 (merge_blocks_nomove): Likewise.
12317 (life_analysis): Give life_analysis_1 PROP flags.
12318 (verify_wide_reg_1, verify_wide_reg): New.
12319 (verify_local_live_at_start): New.
12320 (update_life_info): Rewrite to call into propogate_block.
12322 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12323 always mark stack pointer. Conditionally mark PIC register.
12324 After reload, mark call-saved registers, return regsiters.
12325 (life_analysis_1): Accept PROP flags not remove_dead_code.
12326 Call mark_regs_live_at_end before zeroing regs_ever_live.
12327 Use calculate_global_regs_live. Copy global_live_at_end before
12328 calling final propagate_block. Zero reg_next_use on exit.
12329 (calculate_global_regs_live): New.
12330 (allocate_bb_life_data): Don't allocate bb->local_set.
12331 (init_regset_vector, free_regset_vector): Remove.
12332 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12333 Test flags before every operation. Warn if prologue/epilogue insn
12334 would have been deleted.
12335 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12336 Use alloc_EXPR_LIST.
12337 (mark_used_regs): Accept and use FLAGS, not FINAL.
12338 Remove special handling for RETURN.
12339 (try_pre_increment): Use alloc_EXPR_LIST.
12340 (dump_flow_info): Dump n_edges.
12341 (unlink_insn_chain, split_hard_reg_notes): Remove.
12342 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12343 (find_insn_with_note, new_insn_dead_notes): Remove.
12344 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12345 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12346 (replace_insns): Remove.
12347 (count_or_remove_death_notes): New.
12348 (verify_flow_info): Abort on error after all checks.
12349 (remove_edge): Decrement n_edges.
12350 (remove_fake_edges): Tweek format.
12351 * haifa-sched.c (schedule_insns): Use split_all_insns.
12352 * output.h (update_life_info): Remove declaration.
12353 * recog.c (split_all_insns): From the corpse of split_block_insns,
12354 do the whole function block by block. Use update_life_info.
12355 (recog_last_allowed_insn): New.
12356 (recog_next_insn): Mind it.
12357 (peephole2_optimize): Set it. Walk backwards through blocks.
12358 Use update_life_info.
12359 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12360 (split_all_insns): Declare.
12361 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12362 Use split_all_insns.
12364 * i386.md (or -1 peep2s): Disable.
12366 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12368 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12369 a single pattern. Scrap the 'd' versions as unnecessary.
12371 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12372 tablejump_mips162,tablejump_internal4): The operands to a
12373 label_ref must be VOIDmode.
12375 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12377 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12379 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12381 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12383 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12385 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12386 cache every function if ggc_p.
12388 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12390 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12391 instead of copy_rtx. Accept sequences that contain asm statements.
12392 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12393 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12394 orig_asm_operands_vector, copy_asm_operands_vector,
12395 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12397 * rtl.h (copy_insn, copy_insn_1): Declare.
12399 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12401 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12403 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12404 arguments to `current_file_function_operand'.
12406 * genrecog.c: Include hard-reg-set.h and resource.h in the
12407 generated output file.
12409 * real.c: Include tm_p.h.
12411 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12413 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12416 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12418 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12419 before the fctiwz insn.
12421 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12422 Mark Mitchell <mark@codesourcery.com>
12424 * tree.c (make_lang_type_fn): New funtion pointer.
12425 (make_lang_type): Call it.
12426 * tree.h (make_lang_type): Declare.
12427 (make_lang_type_fn): Likewise.
12428 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12430 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12432 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12433 make sure that HIGH instructions are copied into BASE_REGS.
12435 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12437 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12439 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12441 * c-decl.c (finish_struct): Use simpler method of
12442 removing elements of a singly-linked list.
12444 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12446 * alpha.md (peephole2's): Comment out peephole2's that generate
12449 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12451 * genrecog.c (add_to_sequence): Disable mode check for
12454 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12456 * ggc-simple.c (init_ggc): Set empty_string.
12458 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12460 * configure.in: Detect mmap. Add --with-gc=foo to select
12461 garbage collector; default to page if mmap available.
12462 * Makefile.in (GGC): Substitute.
12464 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12466 * c-decl.c (ggc_p): Enable.
12468 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12470 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12472 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12474 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12475 string for little-endian-data.
12477 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12479 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12480 case somebody tries to compile --enable-checking code with gcc
12483 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12485 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12488 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12490 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12491 * jump.c (jump_optimize_1): Document why.
12493 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12495 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12496 pointers and casts for `int_handler' and `quit_handler'.
12498 * flow.c (verify_flow_info, split_hard_reg_notes,
12499 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12500 remove_edge, remove_fake_successors): Add static prototypes.
12501 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12502 (mark_set_1): Initialize variable `regno'.
12503 (unlink_insn_chain): Likewise for variable `curr'.
12504 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12506 * loop.c (strength_reduce): Initialize variable
12507 `unrolled_insn_copies'.
12508 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12509 prototypes. Change these functions to take const PTR parameters
12510 to avoid prototype conflict when used as the comparson argument
12512 (check_dbra_loop): Initialize variable `comparison_val'.
12514 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12515 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12516 (find_valid_class): Initialize variable `best_class'.
12517 (find_reloads): Call memcpy, not bcopy.
12519 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12520 (hard_reg_use_compare): Don't needlessly cast away const.
12521 (reload_reg_class_lower): Likewise.
12522 (choose_reload_regs): Initialize variable `regno'.
12524 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12526 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12528 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12530 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12531 ({,d}discard): Add forward declarations. Declare parameter as
12533 (main_without_main): Explicitly declare return type to be int.
12534 (memcpy): Properly declare.
12536 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12537 building the trampoline support, declare malloc, free, and
12539 (__clear_cache): Mark arguments as potentially unused.
12541 * frame.c (toplevel): If inhibit_libc is defined, declare
12544 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12546 * flow.c (make_edge): Accept an optional 2D bitmap in which
12547 to cache edge existence. Update all callers.
12548 (make_label_edge, make_eh_edge): Pass through the edge cache.
12549 (make_edges): Provide the cache.
12551 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12553 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12555 (local_mbtowc): Change the type of variable `i' from int to size_t.
12557 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12558 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12560 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12562 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12563 after other includes that define the appropriate types. Include
12564 tm_p.h for getting user prototypes.
12565 * ggc-callbacks.c (toplevel): Ditto.
12566 * ggc-none.c (toplevel): Ditto.
12567 * gcc-page.c (toplevel): Ditto.
12568 * ggc-simple.c (toplevel): Ditto.
12570 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12571 Jonathan Larmour <jlarmour@cygnus.co.uk>
12573 * config/mips/mips.c (mips_move_2words): Split doubles if
12574 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12576 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12578 * genrecog.c (struct decision_test): New.
12579 (struct decision): Remove test-related members, sort the rest by size.
12580 (IS_SPLIT): Simplify.
12581 (new_decision, new_decision_test): New.
12582 (add_to_sequence): Use them. No special handling for args of
12584 (maybe_both_true): Renamed from not_both_true; return sense changed.
12585 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12586 of maybe_both_true and adjusted for decision_test.
12587 (position_merit): Remove.
12588 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12589 (merge_accept_insn): New, broken out of merge_trees.
12590 (merge_trees): Use them. No special case for c_test; no node
12591 splitting; use test type instead of position_merit.
12592 (factor_tests): New.
12593 (simplify_tests): New.
12594 (break_out_subroutines): Don't write code now.
12595 (find_afterward): New.
12596 (write_afterward, write_switch, write_cond): New.
12597 (write_action, is_unconditional): New.
12598 (write_node): New. Use them.
12599 (write_tree_1): Rewrite. Use the new functions above.
12600 (write_tree): Remove afterward processing.
12601 (write_subroutine): Simplify function variant emission.
12602 (write_subroutines): New.
12603 (same_codes, clear_codes): Remove.
12604 (same_modes, clear_modes): Remove.
12605 (write_header): New, broken out of main.
12606 (make_insn_sequence): Use new_decision and new_decision_test.
12607 (process_tree): New, broken out of main.
12608 (main): Adjust for merge_trees interface change.
12609 Don't #define operands in the output file.
12610 (record_insn_name): New, broken out of make_insn_sequence.
12611 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12612 (debug_decision): New.
12614 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12616 * resource.c (find_free_register): Mark class_str argument const.
12617 * resource.h: Update prototype to match.
12619 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12620 * i386.md: Give all anonymous insns names.
12622 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12624 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12627 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12629 * toplev.c (dbr_sched_time): Unconditional.
12630 (peephole2_time): New.
12631 (compile_file): Add pass numbers to all of the dump file suffixes.
12632 Dump peephole2_time. Don't dump times for non-applicable passes.
12633 (rest_of_compilation): Add pass numbers to dump file suffixes.
12634 Conditionalize calls to the scheduler.
12635 * invoke.texi: Update.
12637 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12639 * flow.c (make_edges): Fix insn iteration.
12640 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12641 (find_basic_blocks_1): Fix spelling mistake.
12643 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12645 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12646 always have side-effects. Use memset not bzero.
12647 (make_node): Likewise.
12649 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12651 * stmt.c (expand_anon_union_decl): When any of the elements of the
12652 union is addressable, so is the entire union.
12654 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12656 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12658 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12659 * bitmap.c (bitmap_operation): Return true iff TO changed.
12660 (bitmap_equal_p): New.
12661 (bitmap_bit_p): Tidy arithmetic.
12662 (debug_bitmap_file): Likewise.
12664 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12666 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12667 before cse2 instead of after.
12669 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12671 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12674 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12676 * cppinit.c (is_idchar initializer): Loosen tests to accept
12679 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12681 * mips.md: Define conditional move patterns for floating point
12682 operands and DI mode conditions.
12684 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12686 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12687 always have side-effects.
12689 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12691 * mn10200.c (asm_file_start): Fix typo.
12693 * cppinit.c (is_idchar initializer): Tighten tests for when
12694 to put the table into initialized memory.
12696 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12697 not an array of rtunion.
12698 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12699 * gcc-simple (ggc_free_rtvec): Similarly.
12701 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12704 * mbchar.h: Add missing #endif.
12706 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12707 (FPBIT, DPBIT): Define.
12709 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12711 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12713 * profile.c (instrument_arcs, output_gcov_string,
12714 tablejump_entry_p): Add static prototypes.
12715 (output_gcov_string): Constify a char*.
12717 * regmove.c (replacement_quality, fixup_match_2): Add static
12720 * resource.h (reg_dead_p): Add extern prototype.
12722 * rtl.c (trim_filename): Add static prototype.
12724 * scan-decls.c (skip_to_closing_brace): Likewise.
12726 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12727 (expand_end_case): Initialize variable `range'.
12728 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12730 * varasm.c (asm_emit_uninitialised): Add static prototype.
12731 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12734 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12736 * cpplib.c (if_directive_nameo): Add static prototype.
12738 * cse.c (cse_insn): Remove unused variable `p'.
12740 * except.c (create_rethrow_ref, push_entry,
12741 receive_exception_label, new_eh_region_entry, find_func_region,
12742 clear_function_eh_region, process_nestinfo): Add static prototypes.
12743 (get_reg_for_handler): Hide definition.
12744 (process_nestinfo): Initialize variable `extra_handlers'.
12746 * expr.h (expand_builtin_longjmp): Add extern prototype.
12748 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12750 * function.c (prepare_function_start): Likewise.
12751 (pop_function_context_from): Mark parameter `context' with
12753 (push_temp_slots_for_block, flush_addressof): Hide definition.
12755 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12756 solve_program_flow_graph, calculate_branch_probs,
12757 function_summary, main, fancy_abort): Add prototypes.
12759 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12760 (add_hash): Constify a char*.
12762 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12763 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12764 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12766 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12768 * lists.c (free_list, zap_lists): Likewise.
12770 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12772 * alias.c (nonlocal_reference_p): Add static prototype.
12774 * bitmap.c (bitmap_element_allocate): Prototype args in function
12777 * builtins.c (stabilize_va_list): Add static prototype.
12778 (expand_builtin_va_arg): Constify a char*.
12780 * c-lex.c (getch, put_back, extend_token_buffer_to,
12781 read_line_number, token_getch, token_put_back): Add static
12784 * c-parse.gperf (hash, is_reserved_word): Likewise.
12786 * cccp.c (is_dir_separator): Likewise.
12788 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12790 * graph.h: New file to prototype functions exported by graph.c.
12792 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12794 * graph.c: Include graph.h.
12796 * toplev.c: Likewise. Remove redundant prototypes.
12798 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12800 * invoke.texi: Removed duplicated description for -Q.
12802 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12804 * extend.texi: Grammar fix in __extension__ text.
12806 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12808 * md.texi (define_peephole2): New section.
12810 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12812 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12813 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12816 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12818 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12820 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12822 * i386.md (ffs expander): Emit Pentium friendly code for
12825 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12827 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12829 (build1): Likewise.
12831 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12833 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12835 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12837 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12838 register is in use.
12840 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12842 * md.texi (No Constraints): Delete section.
12843 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12844 * final.c (final_scan_insn): We always have register constraints.
12845 * genattrtab.c: Don't include "insn-config.h".
12846 (write_attr_case): We always have register constraints.
12847 * genconfig.c (register_constraint_flag): Delete.
12848 (walk_insn_part): Don't check whether we have register constraints.
12849 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12850 * genoutput.c (have_constraints): Delete.
12851 (main): Don't set it.
12852 (output_operand_data): We always have constraints.
12853 (scan_operands): Likewise.
12854 (compare_operands): Likewise.
12855 * local-alloc.c (block_alloc): We always have constraints.
12856 (requires_inout): Always compile this function.
12857 * recog.c (extract_insn): We always have constraints.
12858 (constrain_operands, reg_fits_class_p): Always compile these
12860 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12862 (struct insn_operand_data): Likewise.
12863 * regclass.c (regclass): We always have constraints.
12864 (record_reg_classes, copy_cost, record_address_regs,
12865 auto_inc_dec_reg_p): Always compile these functions.
12866 * regmove.c (regmove_optimize): We always have constraints.
12867 * reload.c (find_reloads): Likewise.
12868 * reload1.c (reload): Likewise.
12869 (reload_cse_simplify_operands): Likewise.
12870 * i860.c (output_delay_insn): Likewise.
12872 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12874 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12876 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12878 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12879 for the va_list record.
12881 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12883 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12886 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12888 * alias.c: Include insn-flags.h.
12889 * Makefile.in (alias.o): Update.
12891 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12893 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12894 to LTU and GEU. Handle more cases using sbb.
12896 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12898 * i386.md (truncatexfdf splitters): Do not use subreg.
12899 (fop XFmode patterns): Fix mode in operand testing.
12901 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12903 * jump.c (jump_optimize_1): Amend last change to test only the
12904 form of the operand, not the insn.
12906 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12907 not register_operand to determine when B may need preloading.
12909 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12911 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12912 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12913 (call-value patterns): Move to end of file.
12914 (*): Remove mode from label_ref in (pc) context.
12915 (movstrqi): Use memory not general_operand for BLKmode operands.
12916 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12917 to register_operand operands.
12918 (peep2 patterns): Convert from commented-out peephole patterns.
12920 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12922 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12923 to BUILT_IN_INIT_DWARF_REG_SIZES.
12924 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12925 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12926 expand_builtin_init_dwarf_reg_sizes.
12927 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12928 with __builtin_init_dwarf_reg_size_table.
12929 * dwarf2out.c (struct reg_size_range): Delete.
12930 (expand_builtin_init_dwarf_reg_sizes): New function.
12931 (expand_builtin_dwarf_reg_size): Delete.
12932 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12933 (expand_builtin_dwarf_reg_size): Don't declare.
12934 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12935 (dwarf_reg_size_table): New.
12936 (init_reg_size_table): New function.
12937 (copy_reg): Use dwarf_reg_size_table.
12938 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12941 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12943 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12944 Correctly build argument list to constructor and destructor functions.
12946 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12948 * c-tree.h (warn_float_equal): Declare.
12949 * c-decl.c (warn_float_equal): Define.
12950 (c_decode_option): Recognize -W[no-]float-equal.
12951 * c-typeck.c (build_binary_op): Conditionally warn
12952 about equality tests of floating point types.
12953 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12954 * invoke.texi: Add docs for -Wfloat-equal warning.
12956 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12958 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12959 generating RTL directly.
12960 * mips.h (INIT_TARGET_OPTABS): Likewise.
12961 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12963 * expr.h (init_mov_optab): Delete declaration
12965 * h8300.c (WORD_REG_USED): Update to avoid useless register
12966 saves in interrupt functions and functions which never return.
12968 * cse.c (struct set): Delete inner_dest_loc field.
12969 (cse_insn): Remove assignments to inner_dest_loc field.
12971 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12973 * ggc-page.c: Don't include <unistd.h> etc taken care of
12974 by "system.h". Include <sys/mman.h> afterward.
12976 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12978 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12981 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12983 * xcoffout.c (xcoffout_declare_function): Add documentation.
12984 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12985 TARGET_64BIT. Compare constant to -1, not bit pattern.
12986 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12987 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12990 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12992 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12993 origin_die is NULL.
12994 (gen_inlined_enumeration_type_die): Do not abort if the type has
12995 not been writeen out.
12996 (gen_inlined_structure_type_die): Do not abort if the type has
12997 not been writeen out.
12998 (gen_inlined_union_type_die): Do not abort if the type has
12999 not been writeen out.
13000 (gen_tagged_type_instantiation_die): Do not abort if the type
13001 has not been written out.
13003 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13005 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
13007 * reg-stack.c (straighten_stack): Copy hard reg set with
13010 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
13012 * builtins.c (stabilize_va_list): Stabilize array type va_list
13013 to a pointer type, not the base record type.
13014 (expand_builtin_va_copy): Dereference the pointers explicitly;
13015 use the correct size for the copy.
13017 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
13018 (rs6000_va_arg): Likewise.
13020 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
13022 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
13024 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
13026 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
13028 (DECL_BUILT_IN_CLASS): Adjust accordingly.
13030 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
13032 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
13033 (init_ggc): Use it instead of a constant.
13034 (ggc_collect): Bound allocated_last_gc by it.
13036 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
13038 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
13041 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
13043 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
13044 (mips*-*-openbsd*): Let big endian configuration be a fragment.
13045 * configure: Regen.
13046 * config/mips/openbsd.h: New, OpenBSD little endian target.
13047 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
13048 * config/mips/xm-openbsd.h: New, OpenBSD host.
13050 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
13052 * config/m68k/m68k.c (output_function_prologue,
13053 output_function_epilogue): Use
13054 current_function_uses_pic_offset_table instead of regs_ever_live
13055 to decide whether to save/restore pic register.
13056 (legitimize_pic_address): Don't modify regs_ever_live any more.
13058 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
13060 * function.h (struct function): Add x_dont_save_pending_sizes_p.
13061 * stor-layout.c (variable_size): Don't add sizes to the pending
13062 sizes list if x_dont_save_pending_sizes_p is set.
13064 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
13066 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
13067 for symbolic_operand().
13068 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
13070 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13072 * combine.c (gen_rtx_combine): Add missing call to va_end().
13074 * final.c (asm_fprintf): Likewise.
13076 * genattrtab.c (attr_rtx): Likewise.
13078 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
13080 * cse.c: Update comments.
13081 (cse_insn): When converting a conditional/computed jump into
13082 an unconditional jump, always make sure a BARRIER immediately
13083 follows the converted jump. Do not delete unreachable code.
13084 (cse_basic_block): Do not delete unreachable code.
13085 * toplev.c (rest_of_compilation): Move call to
13086 delete_trivially_dead_insns after the conditional call to
13089 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13091 * collect2.c (make_temp_file): Don't prototype.
13093 * gcc.c (make_temp_file): Likewise.
13095 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
13097 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
13099 * varasm.c (asm_emit_uninitialised): New function: Generate
13100 the assembler statements necessary to declare an uninitialised
13102 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
13104 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
13105 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
13107 (assemble_variable): Use asm_emit_uninitialised to emit an
13108 uninitialised variable.
13110 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
13112 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
13113 constant on a 64 bit host. Patch supplied by Geoffrey Keating
13114 <geoffk@cygnus.com>.
13116 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13118 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
13119 * c-common.h (builtin_function): Don't declare.
13121 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
13123 (pushdecl): Likewise.
13124 (finish_decl): Likewise.
13125 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
13126 int. All callers changed.
13127 Set the builtin's DECL_BUILT_IN_CLASS.
13128 * tree.h (enum built_in_class): New.
13129 (enum built_in_function): Delete NOT_BUILT_IN.
13130 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
13132 (DECL_SET_FUNCTION_CODE): Likewise.
13133 (DECL_BUILT_IN_CLASS): New macro.
13134 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
13135 (struct tree_decl): Split builtin function code field into a
13137 (builtin_function): Declare.
13139 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
13141 * optabs.c (init_traps): Fix typo in last change.
13143 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
13145 * toplev.c (rest_of_decl_compilation): Update comment.
13147 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13149 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
13150 in .sbss if appropriate.
13151 (EXTRA_SECTION_FUNCTIONS): Add sbss.
13152 (SBSS_SECTION_ASM_OP): New macro.
13153 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
13154 (EXTRA_SECTIONS): Add in_sbss.
13155 * config/mips/mips.h: Prototype sbss_section.
13157 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
13159 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
13162 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
13164 * optabs.c (init_traps): Register trap_rtx as a GC root.
13166 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13168 * config/mips/mips.c (function_arg_pass_by_reference): Define
13169 unconditionally, since it's called unconditionally.
13171 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13173 * toplev.c (documented_lang_options): Add -fshort-wchar.
13174 * c-decl.c (c_decode_option): Likewise.
13175 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
13177 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
13178 * gcc.c (default_compilers): If -fshort-wchar,
13179 override __WCHAR_TYPE__.
13180 * tm.texi (C Dialect Options): Add -fshort-wchar.
13182 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
13183 symbol for a variable.
13185 * cpplib.h (CPP_PREPROCESSED): New macro.
13186 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
13187 we're seeing this input for a second time.
13189 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
13191 * emit-rtl.c (init_emit_once): Initialize modes first.
13193 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
13195 * config/i386/i386.c (pic_label_name): Change to char pointer.
13196 (global_offset_table): New variable.
13197 (load_pic_register): Fill global_offset_table if it hasn't
13198 already been done. Allocate pic_label_name dynamically.
13199 * ggc.h (empty_string): New variable.
13200 * ggc-simple.c (empty_string): Likewise.
13201 (init_ggc): Allocate empty_string and add as root.
13202 * stmt.c (digit_strings): New variable.
13203 (init_stmt): Add last_block_end_note as root. Allocate and
13204 initialize digit_strings.
13205 (expand_asm_operands): Use empty_string instead of string
13206 constant. Use digit_strings instead of string constants.
13207 * profile.c (init_arc_profiler): Allocate string with
13208 ggc_alloc_string instead of xmalloc.
13209 (output_func_start_profiler): Likewise.
13210 * c-typeck.c (digest_init): Check if init is error_mark_node.
13212 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
13213 Richard Henderson <rth@cygnus.com>
13215 * ggc-page.c: New file.
13216 * Makefile.in (ggc-page.o): New.
13218 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
13220 * invoke.texi: Document -fdelete-null-pointer-checks
13221 * toplev.c (flag_delete_null_pointer_checks): New.
13222 (f_options): Add entry for -fdelete-null-pointer-checks.
13223 (rest_of_compilation): Conditionalize null pointer check
13224 elimination on flag_delete_null_pointer_checks.
13225 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
13227 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
13229 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
13230 copyright notice and special exception to GPL.
13232 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13234 * abi64.h (mips_function_value): Add prototype arguments.
13236 * mips-protos.h: New file with mips prototypes.
13238 * mips.c: Include "tm_p.h".
13239 (mktemp, lookup_name): Add prototype arguments.
13240 (extern_list, string_constant, mips_fill_delay_slot,
13241 mips_output_external, mips_output_external_libcall,
13242 mips_output_filename, mips_declare_object, function_prologue,
13243 mips_expand_prologue, function_epilogue, mips16_constant,
13244 build_mips16_function_stub, mips_output_conditional_branch):
13246 (mips_va_start): Remove unused variable `u'.
13247 (mips_va_arg): Cast value to unsigned when comparing against one.
13249 (save_restore_insns, mips_expand_prologue): Add missing arg in
13250 call to `large_int'.
13252 * mips.h: Move prototypes to mips-protos.h.
13253 (data_section, memory_address_p, rdata_section,
13254 readonly_data_section, simple_epilogue_p, text_section): Delete
13255 prototypes delcared elsewhere.
13256 (mips_epilogue_delay_slots, print_options): Delete unused decls.
13258 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
13260 * mips.md: Delete extra args in call to `mips_move_2words'.
13262 * xm-iris6.h (alloca): Add prototype argument.
13264 * genpeep.c: Include "tm_p.h" in generated output file.
13266 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13268 * basic-block.h (find_edge_index): Change parameters.
13269 * flow.c (verify_edge_list): Pass basic_block parameters to
13270 find_edge_index instead of integers.
13272 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
13274 * combine.c (simplify_comparison): Use an unsigned shift to adjust
13277 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
13279 * gcc.1: Fix a formatting error.
13281 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13283 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
13284 i786, mn10200, mn10300, pdp11, v850.
13286 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
13288 * libgcc2.c (num_digits): Add prototype with
13289 __attribute__((const)).
13290 (__terminate): Add prototype.
13292 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
13294 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
13296 * alpha/alpha.c (print_operand): Fix type of `code'.
13297 (alpha_output_filename): Constify.
13298 * alpha/alpha.h: Move all function declarations ...
13299 * alpha/alpha-protos.h: ... here. New file.
13300 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
13301 (SECTION_FUNCTION_TEMPLATE): Likewise.
13303 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13305 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13306 * expr.c (expand_expr): Likewise.
13307 (do_jump): Likewise.
13308 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13309 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13311 (enum can_compare_purpose): New.
13312 (can_compare_p): Adjust prototype.
13313 (prepare_cmp_insn, prepare_operand): Declare.
13314 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13315 * optabs.c (cmp_available_p): Deleted.
13316 (expand_abs): Pass ccp_jump to can_compare_p.
13317 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13318 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13319 Call can_compare_p rather than cmp_available_p.
13320 (prepare_operand): No longer static.
13321 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13322 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13323 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13324 sequence to use emit_cmp_and_jump_insns.
13325 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13327 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13329 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13330 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13331 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13332 (plus (reg) (const_int 0))
13333 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13335 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13337 * rs6000.c (expand_block_move): DImode loads and stores require
13338 word-aligned displacements. Increment address registers with
13339 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13341 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13343 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13344 is no name for the base type, rather than segfault. If we are
13345 writing out a complex integer type, use DW_ATE_lo_user.
13347 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13348 in one word or less (complex char, complex short, or on 64 bit
13349 systems complex float) to/from a hard register, copy it through
13350 memory instead of dying in gen_{real,imag}part. If we have a
13351 short complex type, prevent inlining since it allocates stack
13354 * tree.c (build_complex_type): If we are writing dwarf2 output,
13355 generate a name for complex integer types.
13357 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13359 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13360 * flow.c (remove_edge): Remove extra whitespace.
13361 (remove_fake_edges): Fix comment.
13362 (add_noreturn_fake_exit_edges): Use the correct name.
13364 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13366 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13367 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13368 (clean): Depend on INTL_CLEAN.
13369 (maintainer-clean): Adjust.
13371 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13373 * configure.in (AC_PREREQ): Bump to 2.13.
13374 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13376 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13378 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13380 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13382 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13383 (HAVE_STRINGIZE): Define.
13385 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13387 * c-parse.in: save and restore warn_pointer_arith on __extension__
13388 along with pedantic.
13389 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13390 Set the type of extension to itype rather than $<itype>1 kludge.
13391 * extend.texi (Alternate Keywords): Adjust documentation.
13392 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13394 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13396 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13397 most assembler templates.
13399 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13400 FP loads and stores.
13401 (following_call): Always return zero for the PA8000.
13402 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13403 FP loads and stores.
13404 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13406 * pa.h (BRANCH_COST): Define.
13408 * pa.md (return, return_internal): Use bve for PA2.0.
13410 * pa.md (fused multiply): Add variants which reduce height for the
13411 fused multiply, but which still generate 2 insns.
13412 (fnegabs): Similarly.
13414 * pa.md (subsi3): Turn into an expander. Create two anonymous
13415 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13416 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13418 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13420 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13422 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13423 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13425 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13428 * flow.c (record_active_eh_regions): Terminate loop after finding
13429 the last insn in the last basic block.
13431 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13433 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13435 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13437 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13439 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13441 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13442 splitting to not use output template.
13444 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13446 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13447 * config/c4x/c4x.c (c4x_va_start): New function.
13449 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13451 * genrecog.c (not_both_true): Handle correctly cases when called for
13452 tests with different positions in the insn.
13454 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13456 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13458 * system.h (HOST_PTR_PRINTF): ... to here.
13460 * mips-tfile.c: Don't include machmode.h.
13462 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13463 (mips-tfile.o): Don't depend on machmode.h.
13465 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13467 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13468 avoid conflicts with typedef struct `region' at the top level scope.
13470 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13472 * basic-block.h (basic_block): Add eh_beg, eh_end.
13473 * flow.c (entry_exit_blocks): Update.
13474 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13475 Call new functions.
13476 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13477 lists.c functions to allocate insn lists.
13478 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13480 (make_eh_edge): ... here. New.
13481 (move_stray_eh_region_notes): New.
13482 (record_active_eh_regions): New.
13483 (delete_unreachable_blocks): Split out block merging ...
13484 (try_merge_blocks): ... here. New.
13485 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13486 Dump debugging data.
13487 (merge_blocks_move_successor_nojumps): Likewise.
13488 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13490 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13492 * extend.texi (Bound member functions): Document unbound pmf
13495 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13497 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13498 has the EXIT_BLOCK as a dest.
13500 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13502 * flow.c (remove_edge): New function to remove an edge from the
13504 (remove_fake_successors): New function to remove fake successor edges.
13505 (remove_fake_edges): New function to remove all fake edges from the
13507 (add_fake_exit_edges): New function to add fake edges from all blocks
13508 with no successors to the exit block.
13509 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13510 prototypes for new functions.
13512 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13514 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13515 Use Pmode to determine whether to output .dword or .word.
13517 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13519 * tree.c (built_in_filename): New variable.
13520 (BUILT_IN_FILENAME): New macro.
13521 (init_tree_codes): Allocate built_in_filename.
13522 (make_node): Use built_in_filename instead of string constant.
13524 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13526 * configure.in: Add fr30 target.
13527 * configure: Regenerate.
13528 * config/fr30: New directory.
13529 * config/fr30/crti.asm: New file.
13530 * config/fr30/fr30.c: New file.
13531 * config/fr30/crtn.asm: New file.
13532 * config/fr30/fr30.h: New file.
13533 * config/fr30/fr30.md: New file.
13534 * config/fr30/lib1funcs.asm: New file.
13535 * config/fr30/t-fr30: New file.
13536 * config/fr30/xm-fr30.h: New file.
13538 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13540 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13541 BARRIER at the end of the successor, not the BARRIER before
13544 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13546 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13548 * stmt.c (any_pending_cleanups): Don't crash when
13549 current_function->stmt is unset.
13551 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13553 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13554 other initializations that may use it for relative offsets.
13556 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13558 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13559 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13560 * config/i386/sol2dbg.h: Removed.
13561 * config/i386/sol2gas.h: New file, to enable gas work-around.
13562 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13563 Don't use sol2dbg.h.
13564 * configure: Rebuilt.
13566 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13568 * invoke.texi (-fthis-is-variable): Remove documentation.
13570 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13572 * basic-block.h (compute_bb_for_insn): Declare.
13573 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13574 to use; set size of basic_block_for_insn directly.
13575 (find_basic_blocks): Update.
13577 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13579 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13581 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13583 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13584 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13586 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13588 * c-decl.c (c_decode_option): Extend comment.
13590 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13592 * toplev.c (progname): Make 'const char *'
13593 (flag_print_mem): Move out of main.
13594 (version_flag): Move out of main.
13595 (filename): Move out of main.
13596 (debug_args): Remove g prefix from options.
13597 (documented_lang_options): Remove cpplib specific options.
13598 (display_help): Add g prefix to debug options.
13599 (check_lang_option): Delete this function.
13600 (decode_d_option): New function: Decode -d... option.
13601 (decode_f_option): New function: Decode -f... option.
13602 (decode_W_option): New function: Decode -W... option.
13603 (decode_g_option): New function: Decode -g... option.
13604 (independent_decode_option): New function: Decode a language
13605 independent command line option.
13606 (main): Invoke lang_decode_option and then
13607 independent_decode_option on each command line option in
13610 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13612 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13613 * fold-const.c (fold_range_test): Do not try to fold the range
13614 test if the rhs or lhs has side effects.
13616 * basic-block.h (compute_flow_dominators): Declare.
13618 * gcse.c (alloc_code_hoist_mem): New function.
13619 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13620 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13621 (hoist_code, one_code_hoisting_pass): Likewise.
13622 (gcse_main): If optimizing for size, then hoist expressions
13623 computed in multiple dominated basic blocks.
13625 * gcse.c (invalid_nonnull_info): New function.
13626 (delete_null_pointer_checks): Likewise.
13627 * rtl.h (delete_null_pointer_checks): Declare.
13628 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13630 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13631 (merge-blocks_move_successor_nojumps): Likewise.
13632 (merge_blocks): Allow merging of some blocks, even if it requires
13633 physical movement of the blocks, but not if it requires new jumps.
13635 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13636 Callers and prototype changed.
13637 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13639 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13641 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13642 -YP when both -p and -pg are present. From i386/sol2.h.
13644 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13646 * Makefile.in (distclean): Delete tm_p.h.
13647 * configure.in: Create a new file, "tm_p.h", from a list in
13648 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13649 "i386/i386-protos.h".
13651 * alias.c: Include "tm_p.h".
13652 * c-typeck.c: Likewise.
13653 * calls.c: Likewise.
13655 * emit-rtl.c: Likewise.
13656 * explow.c: Likewise.
13657 * expmed.c: Likewise.
13658 * expr.c: Likewise.
13659 * final.c: Likewise.
13660 * flow.c: Likewise.
13661 * fold-const.c: Likewise.
13662 * function.c: Likewise.
13663 * gcse.c: Likewise.
13664 * global.c: Likewise.
13665 * haifa-sched.c: Likewise.
13666 * integrate.c: Likewise.
13667 * jump.c: Likewise.
13668 * local-alloc.c: Likewise.
13669 * loop.c: Likewise.
13670 * optabs.c: Likewise.
13671 * recog.c: Likewise.
13672 * reg-stack.c: Likewise.
13673 * regclass.c: Likewise.
13674 * regmove.c: Likewise.
13675 * reload.c: Likewise.
13676 * reload1.c: Likewise.
13677 * reorg.c: Likewise.
13678 * resource.c: Likewise.
13679 * stmt.c: Likewise.
13680 * stor-layout.c: Likewise.
13681 * toplev.c: Likewise.
13682 * tree.c: Likewise.
13683 * unroll.c: Likewise.
13684 * genattrtab.c (main): Make generated file include "tm_p.h".
13685 * genemit.c (main): Likewise.
13686 * genoutput.c (main): Likewise.
13687 * genrecog.c (main): Likewise.
13689 * i386.h: Delete all prototypes.
13690 * i386.c: Include "tm_p.h".
13691 (ix86_attr_length_default): Call constant_call_address_operand
13692 with correct number of arguments.
13693 * i386-protos.h: New file.
13694 * i386.md (unnamed patterns): Call constant_call_address_operand
13695 with correct number of arguments.
13696 (exception_receiver): Call load_pic_register with correct number
13699 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13701 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13703 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13705 * rtl.h (insns_safe_to_move_p): New function.
13706 * loop.c (find_and_verify_loops): Use it.
13707 * rtlanal.c (insns_safe_to_move_p): Define it.
13709 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13711 * c-pragma.c: Include ggc.h.
13712 * Makefile.in (c-pragma.o): Update.
13714 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13716 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13717 (LIB_SPEC): Likewise.
13718 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13719 Reindent -YP/-p/-pg.
13720 Copied from config/sparc/sol2.h.
13722 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13724 * c-pragma.c (mark_align_stack): New.
13725 (init_pragma): New.
13726 * c-pragma.h (init_pragma): Declare it.
13727 * c-lex.c (init_parse): Call it.
13729 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13731 * configure.in: Pick up thread library on Solaris/x86 just
13732 like on Solaris/sparc.
13733 * configure: Rebuilt.
13735 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13737 * rtl.h (global_rtx_index): New enum.
13738 (global_rtl): Change to array of rtx.
13739 (pc_rtx, cc0_rtx): Redefine accordingly.
13740 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13741 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13742 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13743 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13744 (const_int_rtx): Change to array of rtx.
13745 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13747 * emit-rtl.c (global_rtl): Change to array of rtx.
13748 (const_int_rtx): Change to aray of rtx.
13749 (gen_rtx_CONST_INT): Redefine accordingly.
13750 (init_emit_once): Allocate and initialize global_rtl. Likewise
13751 for const_int_rtx. Add both as GC roots.
13752 * genattrtab.c (global_rtl): Update declaration.
13754 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13756 * Makefile (USER_H): Add iso646.h back.
13758 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13760 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13761 zapping the LOG_LINKS of sched_before_next_call.
13763 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13764 * pa.c (insn_refs_are_delayed): Renamed from
13765 insn_sets_and_refs_are_delayed.
13767 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13769 * functiion.h (struct function): Add x_whole_function_mode_p.
13770 (retrofit_block): Declare.
13771 * function.c (retrofit_block): New function.
13772 (identify_blocks): Add assertions. Allow an incomplete set of
13773 block notes if we're still generating code for the function.
13774 * integrate.c: Include loop.h.
13775 (expand_inline_function): Call find_loop_tree_blocks to map block
13776 notes to blocks when in whole-function mode. Use retrofit_block
13777 to insert new BLOCKs for the inlined function, rather than
13779 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13780 * Makefile.in (integrate.o): Depend on loop.h.
13782 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13784 * tree.h (warn_about_unused_variables): Declare.
13785 * stmt.c (warn_about_unused_variables): New function, split out
13787 (expand_end_bindings): Here.
13789 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13791 * stmt.c (preserve_subexpressions_p): Don't crash when
13792 current_function->stmt is unset.
13794 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13796 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13797 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13798 (expand_start_target_temps): Use it.
13799 * except.c (expand_eh_region_start_for_decl): Likewise.
13800 * expr.c (expand_expr): Likewise.
13802 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13804 * fold-const.c (operand_equal_p): Pay attention to side effects.
13806 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13808 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13809 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13811 * tlink.c (scan_linker_output): Look for keywords before accepting
13812 a mangled name in quotes.
13814 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13816 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13817 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13819 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13821 * alpha.md: Revert Thu Nov 26 change that came in through the
13822 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13823 Avoid earlyclobber when possible.
13825 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13827 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13829 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13830 Define HAVE_ON_EXIT.
13832 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13834 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13835 CTYPE_CONV in all ctype macros.
13837 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13840 * cexp.y (initialize_random_junk): Likewise.
13842 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13844 * i370.c (handle_pragma): Likewise.
13846 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13848 * v850.c (override_options): Likewise.
13850 * doprint.c (_doprnt): Likewise.
13852 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13855 * fixinc/server.c (load_data): Likewise.
13857 * fold-const.c (real_hex_to_f): Likewise.
13859 * genattr.c (write_upcase, gen_attr): Likewise.
13861 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13862 write_upcase): Likewise.
13864 * genemit.c (print_code): Likewise.
13866 * genopinit.c (gen_insn): Likewise.
13868 * genpeep.c (print_code): Likewise.
13870 * genrecog.c (print_code): Likewise.
13872 * optabs.c (init_libfuncs): Likewise.
13874 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13876 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13878 (reemit_notes): Likewise.
13880 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13882 * ggc.h (ggc_root): Move to ggc-common.c.
13884 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13885 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13886 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13887 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13888 * ggc-common.c (ggc_root): Move from ggc.h.
13889 (roots): Declare, static.
13890 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13891 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13892 null or check/set mark bit.
13893 (ggc_mark_roots): New.
13894 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13896 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13898 * m32r.c: Include toplev.h.
13899 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13900 (gen_compare): Rename swap_p to must_swap to match uses.
13901 Add default abort case.
13902 (m32r_output_function_epilogue): Remove unused variables.
13903 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13904 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13905 define to empty parameter list. Update all uses.
13906 (predicate decls): Use enum machine_mode not int.
13907 * m32r.md (movsi): Call abort, not fatal_insn.
13908 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13910 1999-09-14 Andrew Haley <aph@cygnus.com>
13912 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13913 use $0 instead of 0.
13915 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13917 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13918 computation out of loop over hard regs.
13920 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13922 * function.c (identify_blocks): Don't shadow a variable in an
13924 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13925 pushdecl, or poplevel to build up the new BLOCK tree.
13926 (expand_inline_function): Likewise.
13927 (integrate_parm_decls): Likewise.
13929 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13931 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13933 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13935 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13936 * invoke.texi: Document this change.
13938 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13940 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13942 (mark_emit_status): Renamed from mark_emit_state.
13943 * except.c (mark_eh_status): Renamed from mark_eh_state.
13944 Check not null before marking.
13945 (free_eh_status): New.
13946 * expr.c (mark_expr_status, free_expr_status): New.
13947 * function.c (free_machine_status): New.
13948 (free_after_parsing): New.
13949 (free_after_compilation): Move bits to free_after_parsing; call
13950 free_eh_status, free_expr_status; zero the marked members of the
13952 (prepare_function_start): No can_garbage_collect.
13953 Call init_eh_for_function.
13954 (expand_dummy_function_end): Free up current_function state.
13955 (mark_function_status): Renamed from mark_function_state.
13956 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13957 * function.h (struct function): No can_garbage_collect.
13958 (free_machine_status, free_after_parsing): Declare.
13959 (free_eh_status, free_expr_status): Declare.
13960 * ggc.h (mark_expr_status): Declare.
13961 * stmt.c (free_stmt_status): Free the struct.
13962 (mark_stmt_status): Renamed from mark_stmt_state.
13963 (init_stmt): Don't call init_eh.
13964 (init_stmt_for_function): Don't call init_eh_for_function.
13965 * toplev.c (compile_file): Call init_eh.
13966 (rest_of_compilation): Free basic block info before ggc_collect.
13967 Call free_after_parsing; conditionally call free_after_compilation.
13968 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13969 Check not null before marking.
13970 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13972 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13974 * c-lex.c (yylex): Initialize warn.
13976 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13978 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13979 register when performing secondary reloads for the SAR register.
13981 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13983 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13984 (NOTE_BLOCK): New macro.
13985 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13986 * function.h (identify_blocks): Change prototype.
13987 * function.c (identify_blocks): Simplify.
13988 (reorder_blocks): Likewise.
13989 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13990 NOTE_INSN_BLOCK_{BEG,END}.
13991 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13992 the list of saved notes if the note isn't a
13993 NOTE_INSN_BLOCK_{BEG,END}.
13994 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13996 (reemit_notes): Adjust recreation of notes to reflect new saved
13998 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13999 printing a block note.
14000 * stmt.c (block_vector): Remove.
14001 (find_loop_tree_blocks): Simplify.
14002 (unroll_block_trees): Likewise.
14003 * tree.h (reorder_block): Change prototype.
14005 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
14007 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
14008 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
14009 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
14010 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
14011 (atexit, exit): Simplify.
14012 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
14013 * config/lots: Remove defns of HAVE_ATEXIT.
14015 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
14017 * calls.c (precompute_arguments): Fix typo in comment.
14018 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
14021 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
14023 * dsp16xx.c (override_options): Fix typos in GC root registration.
14025 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
14027 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
14028 from config/svr4.h.
14029 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
14030 (FUNCTION_PROFILER): Redefine appropriately for Linux.
14031 (CC1_SPEC): Likewise.
14033 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14035 * genattr.c (main): Add extern prototype. Call return, not exit.
14036 * genattrtab.c (main): Likewise.
14037 * gencheck.c (main): Likewise.
14038 * gencodes.c (main): Likewise.
14039 * genconfig.c (main): Likewise.
14040 * genemit.c (main): Likewise.
14041 * genextract.c (main): Likewise.
14042 * genflags.c (main): Likewise.
14043 * gengenrtl.c (main): Likewise.
14044 * genopinit.c (main): Likewise.
14045 * genoutput.c (main): Likewise.
14046 * genpeep.c (main): Likewise.
14047 * genrecog.c (main): Likewise.
14049 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
14050 * genattrtab.c (get_insn_name): Likewise.
14051 * gencodes.c (get_insn_name): Likewise.
14052 * genconfig.c (get_insn_name): Likewise.
14053 * genemit.c (get_insn_name): Likewise.
14054 * genextract.c (get_insn_name): Likewise.
14055 * genflags.c (get_insn_name): Likewise.
14056 * genopinit.c (get_insn_name): Likewise.
14057 * genpeep.c (get_insn_name): Likewise.
14059 * gencheck.c (usage): Add static prototype.
14060 * genextract.c (print_path): Constify a char*.
14061 * genopinit.c (optabs): Likewise.
14062 * genoutput.c (operand_data, data, output_predicate_decls,
14063 compare_operands): Likewise.
14064 * genrecog.c (write_tree): Add default case in switch.
14066 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14068 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
14070 * print-rtl.c (get_insn_name): Remove prototype.
14072 * toplev.h (progname): Declare const.
14074 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
14075 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
14076 dump_sched_info, dump_local_alloc, regset_release_memory,
14077 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
14078 error_with_file_and_line, error_with_decl, error_for_asm, error,
14079 fatal, warning_with_file_and_line, warning_with_decl, warning,
14080 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
14081 Remove redundant prototypes.
14083 (notice, check_lang_option, report_file_and_line, vnotice,
14084 mark_file_stack): Add static prototype.
14085 (set_fatal_function): Add prototype.
14086 (vnotice, report_file_and_line, set_fatal_function,
14087 check_lang_option): Constify a char*.
14088 (main): Prototype. Call return, not exit.
14090 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14092 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
14094 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
14096 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
14098 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
14100 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14102 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
14103 behave as if it's zero in all cases.
14104 (expand_function_start): Adjust call to assign_parms.
14105 * tree.h (assign_parms): Adjust prototype.
14106 * objc/objc-act.c (hack_method_prototype): Adjust call to
14109 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
14111 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
14112 arg_pointer_rtx fixed if the argument pointer register is
14114 (NONZERO_BASE_PLUS_P): Likewise.
14116 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
14118 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
14119 match_insn2 to match_insn.
14120 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
14122 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
14124 * Makefile.in (USER_H): Remove va-foo.h.
14126 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
14127 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
14128 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
14129 va-spur.h,va-v850.h}: Remove.
14131 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
14133 * sparc/sparc.md (eligible_for_return_delay): New attribute.
14134 (in_return_delay): Use it instead of match_insn.
14136 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14138 * config/alpha/va_list.h (va-alpha.h): Do not include.
14139 (__gnuc_va_list): Typedef as in varargs.h.
14141 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
14143 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
14144 DECL_LIVE_RANGE_RTL.
14146 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
14148 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
14149 not NOTE_BLOCK_NUMBER.
14150 (expand_eh_region_end): Likewise.
14151 (find_exception_handler_labels): Likewise.
14152 (scan_region): Likewise.
14153 (exception_optimize): Likewise.
14154 (update_rethrow_references): Likewise.
14155 (set_insn_eh_region): Likewise.
14156 * final.c (final_scan_insn): Likewise.
14157 * flow.c (make_edges): Likewise.
14158 * integrate.c (expand_inline_function): Likewise.
14159 * print-rtl.c (print_rtx): Likewise.
14161 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
14163 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
14164 terms of builtin functions and types.
14166 * mips.c (mips_build_va_list): New.
14167 (mips_va_start, mips_va_arg): New.
14168 * mips.h (BUILD_VA_LIST_TYPE): New.
14169 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14171 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
14172 (sh_build_va_list, sh_va_start, sh_va_arg): New.
14173 * sh.h (BUILD_VA_LIST_TYPE): New.
14174 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14176 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
14178 * recog.h (struct recog_data): Make dup_num, operand_address_p,
14179 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
14180 (struct insn_data): Likewise with n_operands, n_dups,
14181 n_alternatives, output_format.
14182 * regclass.c (scan_one_insn): Cast n_operands to int before
14183 arithmetic inside comparison.
14185 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
14187 * toplev.c (compile_function): Unconditionally emit nop.
14189 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14191 * haifa-sched.c (actual_hazard): Move declaration of variable
14192 `this_cost' into the scope where it is used.
14194 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14196 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
14197 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
14198 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
14200 * genrecog.c (make_insn_sequence): Call memset, not bzero.
14202 * jump.c (find_insert_position): Don't declare or define unless
14203 !HAVE_conditional_arithmetic.
14204 (returnjump_p_1, delete_prior_computation): Add static prototypes.
14206 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
14208 * recog.c (offsettable_address_p): Prototype function pointer.
14209 (preprocess_constraints): Call memset, not bzero.
14211 * tree.c (tree_node_kind_names): Constify a char*. Make static.
14212 (gcc_obstack_init): Don't declare.
14213 (fix_sizetype): Add static prototype.
14214 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
14215 (tree_cons): Call memset, not bzero.
14217 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
14218 definition in macro ASM_WEAKEN_LABEL.
14219 (mark_const_hash_entry): Add static prototype.
14221 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14223 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
14225 * unroll.c (find_common_reg_term, subtract_reg_term,
14226 loop_find_equiv_value): Add static prototypes.
14227 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
14228 (copy_loop_body): Remove unreachable break statement.
14230 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
14232 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
14234 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14236 Undo some changes from the gcc2 merge:
14237 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
14238 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
14242 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
14243 * emit-rtl.c (gen_lowpart_common): Disable optimization of
14244 initialized float-int union if the value is a NaN.
14246 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
14248 * gthr-win32.h: New file.
14250 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
14251 shared as a valid attribute.
14252 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
14253 * extend.texi: Document `shared' variable attribute.
14255 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
14257 * configure.in: Handle --enable-threads on FreeBSD.
14258 * configure: Rebuit.
14260 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14262 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
14264 * configure: Rebuilt.
14266 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
14267 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
14268 Rosimildo DaSilva <rdasilva@connecttel.com>
14270 * configure.in (m68k-*-rtemscoff*): Added.
14271 * configure.in (mips64orion-*-rtems*): Converted to ELF.
14272 * configure.in (sparc-*-rtemsaout*): Added as alias for old
14273 sparc-rtems configuration.
14274 * configure.in (sparc-*-rtemself*): Added.
14275 * configure.in (sparc-*-rtems*): Now ELF not a.out.
14276 * config/i386/rtems.h: Added comment.
14277 * config/sparc/rtemself.h: New file.
14279 * configure.in (m68k-rtemself): Added.
14280 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
14281 and DWARF_DEBUGGING_INFO.
14282 * config/m68k/crti.s: New file.
14283 * config/m68k/crtn.s: New file.
14284 * config/m68k/t-crtstuff: New file.
14285 * config/m68k/rtemself.h: New file.
14287 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
14288 global ctor/dtor and C++ exception handling.
14289 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
14290 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
14292 * config/i386/t-rtems-i386: New File.
14294 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
14296 * stmt.c (expand_end_case): Return right away if the case stack is
14299 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
14301 * Makefile.in (version.c): Remove rule incorrectly brought in from
14304 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14306 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14307 * msdos/top.sed: Take into account a prepended $(SHELL) to
14309 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14311 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14313 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14315 * regmove.c (fixup_match_1): Don't change an unchanging register.
14316 (stable_but_for_p): Renamed to:
14317 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14318 Changed all callers.
14320 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14322 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14323 insn from BL2 is after the insn from BL.
14325 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14327 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14328 (struct insn_data): Merge `template' and `outfun' into `output'.
14329 Add `output_format'.
14330 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14331 (struct data): Remove `outfun'; add `output_format'.
14332 (name_for_index): Remove declaration.
14333 (output_insn_data): Handle output formats.
14334 (process_template): Emit the bare array for @.
14335 (gen_expand, gen_split): Set output_format to NONE.
14336 * output.h (get_insn_template): Declare.
14337 * final.c (get_insn_template): New.
14338 (final_scan_insn): Use it.
14339 * toplev.c (compile_file): Likewise.
14341 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14342 * i860/i860.c (output_delayed_branch): Likewise.
14343 (output_delay_insn): Likewise.
14345 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14347 * rtl.c (obstack_alloc_rtx): Removed.
14349 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14351 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14353 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14355 * i386.c (call_insn_operand): Reject const_int.
14356 (expander_call_insn_operand): Use call_insn_operand.
14358 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14360 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14362 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14364 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14365 Use DImode operation.
14367 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14369 * gcc.c: Include sys/resource.h.
14370 (report_times): New flag.
14371 (execute): If report_times is set, calculate and report the
14372 CPU time consumed by each subprocess.
14374 (rus, prus): New globals.
14375 (option_map): Add --time.
14376 (display_help): Document -time.
14377 (process_command): Set report_times if -time is given.
14378 Turn off -pipe if -time is given.
14380 * invoke.texi: Document new option -time.
14382 * configure.in: Check for getrusage. Check if we have to
14383 prototype getrusage.
14384 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14385 * configure: Regenerate.
14386 * config.in: Regenerate.
14388 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14390 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14393 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14395 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14396 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14397 (nan): Return _thenan_sf or _thenan_df as appropriate.
14398 (L_thenan_sf): Define _thenan_sf.
14399 (L_thenan_df): Define _thenan_df.
14401 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14402 (DPBIT_FUNCS): Add _thenan_df.
14404 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14406 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14409 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14411 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14414 (lang_specific_driver): Don't take a function pointer parameter.
14415 All callers changed.
14417 * gcc.c: Include gcc.h.
14418 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14419 lang_specific_extra_outfiles, fatal): Don't declare.
14420 (multilib_defaults_raw): Constify.
14421 (read_specs): Call memset, rather than bzero.
14422 (main): Call return, not exit.
14423 (lookup_compiler): Call memcpy, not bcopy.
14424 (fatal): Make extern.
14426 * cppspec.c: Include gcc.h.
14427 (lang_specific_driver): Initialize variable `quote'. Constify a
14428 char*. All calls to the function pointer parameter now
14429 explicitly call `fatal'.
14431 * gccspec.c (lang_specific_driver): Include gcc.h.
14433 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14435 * arm.c (note_invalid_constants): Use recog_data.operand_type
14438 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14440 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14443 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14444 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14445 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14446 reload_secondary_in_reload, reload_secondary_out_reload,
14447 reload_secondary_in_icode, reload_secondary_out_icode,
14448 reload_reg_rtx, reload_when_needed): Delete declarations.
14449 (struct reload): New structure.
14450 (rld): Declare new array.
14451 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14452 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14453 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14454 reload_secondary_in_reload, reload_secondary_out_reload,
14455 reload_secondary_in_icode, reload_secondary_out_icode,
14456 reload_reg_rtx, reload_when_needed): Delete definitions.
14458 (whole file): Replace uses of the deleted arrays with uses of rld.
14459 * reload1.c (whole file): Replace uses of the deleted arrays with
14461 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14462 explicit loops, not with bcopy.
14464 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14466 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14467 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14468 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14469 insn_name): Delete and consolidate into new structures.
14470 (insn_operand_predicate_fn): New.
14471 (insn_output_fn): New.
14472 (insn_gen_fn): New.
14473 (struct insn_operand_data): New.
14474 (struct insn_data): New.
14476 (OUT_FCN): Update for insn_data change.
14477 * builtins.c (expand_builtin_strlen): Likewise.
14478 (expand_builtin_memcmp): Likewise.
14479 * combine.c (make_extraction, simplify_comparison): Likewise.
14480 * cse.c (canon_reg, cse_insn): Likewise.
14481 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14482 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14483 (emit_store_flag): Likewise.
14484 * expr.c (convert_move, emit_block_move): Likewise.
14485 (clear_storage, emit_push_insn, expand_increment): Likewise.
14486 (do_store_flag): Likewise.
14487 * expr.h (GEN_FCN): Likewise.
14488 (insn_gen_function): Die.
14489 * final.c (final_scan_insn): Update for insn_data change.
14490 (output_asm_name): Likewise.
14491 * function.c (fixup_var_refs_1): Likewise.
14492 * loop.c (check_dbra_loop): Likewise.
14493 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14494 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14495 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14496 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14497 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14498 * regmove.c (gen_add3_insn): Likewise.
14499 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14500 (find_reloads, find_reloads_address_1): Likewise.
14501 (debug_reload_to_stream): Likewise.
14502 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14503 * stmt.c (expand_end_case): Likewise.
14504 * toplev.c (compile_file): Likewise.
14506 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14507 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14509 * print-rtl.c (insn_name_ptr): Remove declaration.
14510 (get_insn_name): Declare.
14511 (print_rtx): Use it.
14512 * genoutput.c (insn_name_ptr): Remove.
14513 (next_operand_number): New.
14514 (struct operand_data): New.
14515 (null_operand, odata, odata_end): New.
14516 (struct data): Use struct operand_data.
14517 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14518 (get_insn_name): Renamed from name_for_index.
14519 (output_prologue): Define NO_MD_PROTOTYPES.
14520 (output_predicate_decls): Break out from output_epilogue.
14521 Iterate over the operands list.
14522 (output_operand_data): Break out from output_epilogue. Emit
14523 just the operands list.
14524 (output_insn_data): Break out from output_epilogue. Emit just
14526 (output_epilogue): Remove.
14527 (output_get_insn_name): New.
14528 (constraints, op_n_alternatives, predicates, address_p): Die.
14529 (modes, strict_low, seen): Die.
14530 (scan_operands): Take new param `d' instead of writing to
14531 seven global variables.
14532 (compare_operands): New.
14533 (place_operands): New.
14534 (validate_insn_alternatives): Update for struct data change.
14535 (gen_insn): Don't zero or copy 7 global arrays. Update for
14536 scan_operands; call place_operands.
14537 (gen_peephole, gen_expand, gen_split): Likewise.
14538 (main): Update for new output routines.
14540 * genattr.c (insn_name_ptr): Remove.
14541 (get_insn_name): New function.
14542 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14543 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14544 * genrecog.c: Likewise.
14546 * alpha.md (adddi3): Make `pattern' array static.
14548 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14550 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14551 c4x_cpu_version_string): Constify char *.
14552 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14553 c4x_cpu_version_string): Likewise.
14555 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14557 * tree.c (save_tree_status): Revert 10 Sep change.
14558 (restore_tree_status): Likewise. Call obstack_free with NULL
14559 before freeing the obstack proper.
14561 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14563 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14565 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14566 surrounding context.
14568 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14570 * tree.c (type_hash_canon): Put all types in the hash-table, when
14573 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14575 * recog.h (struct recog_data, recog_data): New.
14576 (recog_foo variables): Kill.
14577 * recog.c (recog_operand, recog_operand_loc): Kill.
14578 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14579 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14580 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14581 (recog_data): Define.
14582 (extract_insn): Update all recog_foo references to use recog_data.
14583 (preprocess_constraints, constrain_operands): Likewise.
14584 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14585 * genattrtab.c (main): Likewise.
14586 * genextract.c (main): Likewise.
14587 * genoutput.c: Likewise.
14588 * genrecog.c (write_subroutine, main): Likewise.
14589 * local-alloc.c (block_alloc): Likewise.
14590 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14591 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14592 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14593 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14594 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14595 (reload_cse_simplify_operands): Likewise.
14597 * arc/arc.c (arc_final_prescan_insn): Likewise.
14598 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14599 * h8300/h8300.c (notice_update_cc): Likewise.
14600 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14601 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14602 * mn10200/mn10200.c (notice_update_cc): Likewise.
14603 * mn10300/mn10300.c (notice_update_cc): Likewise.
14604 * romp/romp.c (update_cc): Likewise.
14605 * sparc/sparc.c (check_pic): Likewise.
14606 * v850/v850.c (notice_update_cc): Likewise.
14608 * genemit.c (main): Don't declare recog_operand.
14610 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14612 * ggc.h (rtvec_def): Forward declare.
14613 (tree_node): Likewise.
14614 (ggc_root): Define.
14616 (ggc_set_mark_rtx): Add prototype.
14617 (ggc_set_mark_rtvec): Likewise.
14618 (ggc_set_mark_tree): Likewise.
14619 * ggc-simple.c (ggc_root): Don't define.
14620 (roots): Don't declare.
14621 (ggc_mark_rtx): Remove.
14622 (ggc_mark_rtvec): Likewise.
14623 (ggc_mark_tree): Likewise.
14624 (ggc_mark_varray): Likewise.
14625 (ggc_mark_tree_hash_table_entry): Likewise.
14626 (ggc_mark_tree_hash_table): Likewise.
14627 (ggc_set_mart_rtx): New function.
14628 (ggc_set_mark_rtvec): Likewise.
14629 (ggc_set_mark_tree): Likewise.
14630 (ggc_add_root): Remove.
14631 (ggc_add_rtx_root): Likewise.
14632 (ggc_remove_tree_root): Likewise.
14633 (ggc_add_string_root): Likewise.
14634 (ggc_add_tree_varray_root): Likewise.
14635 (ggc_add_tree_hash_table_root): Likewise.
14636 (ggc_del_root): Likewise.
14637 (ggc_mark_rtx_ptr): Likewise.
14638 (ggc_mark_tree_ptr): Likewise.
14639 (ggc_mark_string_ptr): Likewise.
14640 (ggc_mark_tree_varray_ptr): Likewise.
14641 (ggc_mark_tree_hash_table_ptr): Likewise.
14642 * ggc-common.c: New file.
14643 * Makefile.in (OBJS): Add ggc-common.o.
14644 (ggc-common.o): List dependencies.
14646 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14648 * cppalloc.c (xstrdup): Use memcpy.
14649 * cpperror.c (cpp_print_containing_files): Don't use
14651 * cpplib.c (conditional_skip): Set temp->lineno.
14652 (do_endif): Make error message less obscure.
14653 (if_directive_name): New function.
14654 (cpp_get_token [case EOF]): Unwind the if stack and generate
14655 error messages for each unterminated conditional in this file.
14656 (parse_string): Do not behave differently if -traditional.
14658 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14660 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14661 va_list decomposing to pointer-type.
14662 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14663 (rs6000_va_arg): Likewise.
14665 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14667 * except.c (start_dynamic_handler): Compute size using
14668 STACK_SAVEAREA_MODE.
14670 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14672 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14673 include directory headers. Don't define strrchr. Don't provide
14674 my_* replacement functions. Prefer PTR over `pointer_type'.
14675 Don't prototype system functions. Don't redefine getopt.
14677 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14678 safe_read, safe_write, save_pointers, restore_pointers,
14679 is_id_char, in_system_include_dir, directory_specified_p,
14680 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14681 find_corresponding_lparen, referenced_file_is_newer,
14682 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14683 process_aux_info_file, identify_lineno, check_source,
14684 seek_to_line, forward_to_next_token_char, output_bytes,
14685 output_string, output_up_to, other_variable_style_function,
14686 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14687 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14688 find_static_definition, connect_defs_and_decs, add_local_decl,
14689 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14690 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14691 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14692 scan_for_missed_items, edit_file, string_list_cons): Add static
14694 (standard_exec_prefix, target_machine, target_version,
14695 default_syscalls_dir, string_list, string_list_cons, find_file,
14696 do_cleaning): Constify a char*.
14697 (safe_read, safe_write): Use PTR, not a char*.
14698 (is_id_char): Take an int, not a char.
14699 (main): Add prototype. Call return, not exit.
14701 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14703 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14704 when comparing types.
14706 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14708 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14709 (strength_reduce): Release the varrays from the no-bivs early exit.
14711 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14712 the loop over the registers.
14714 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14716 (restore_tree_status): Check that instead when freeing the obstack.
14718 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14720 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14723 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14725 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14726 operand size modifiers.
14728 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14730 * c-common.c (c_common_nodes_and_builtins): Don't build
14732 * c-common.h (enum c_tree_index and related accesor macros): Remove
14733 everything now declared in tree.h.
14734 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14735 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14736 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14737 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14738 unsigned_type_node, ptr_type_node, va_list_type_node,
14739 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14740 (init_decl_processing): Call build_common_tree_nodes and
14741 build_common_tree_nodes_2 instead of building their nodes here.
14742 Don't add roots for these nodes.
14743 * stor-layout.c (size_zero_node, size_one_node): Delete.
14744 (set_sizetype): Make a new node for bitsizetype each time.
14745 * tree.c (global_trees): New variable.
14746 (init_obstacks): Add a gc root for it.
14747 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14748 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14749 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14750 (build_common_tree_nodes): New function.
14751 (fix_sizetype): New function.
14752 (build_common_tree_nodes_2): New function.
14753 * tree.h (enum tree_index): New.
14754 (global_trees): Declare.
14755 Add accessor macros for all nodes now moved to global_trees.
14756 Delete their declarations.
14758 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14760 * c-decl.c (finish_function): When processing a nested function,
14761 push and pop GC context around rest_of_compilation.
14763 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14765 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14766 Default ix86_arch to PROCESSOR_I386.
14767 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14768 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14769 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14770 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14771 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14772 (EXTRA_SPECS): Remove deleted specs.
14774 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14776 * function.c (assign_stack_local_1): Allocate from
14777 function->x_frame_offset, not frame_offset.
14779 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14781 * ggc.h (lang_cleanup_tree): Remove.
14782 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14783 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14785 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14786 TYPE_LANG_SPECIFIC when garbage collecting.
14787 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14788 (lang_cleanup_tree): Remove.
14790 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14792 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14793 * crtstuff.c: Not here.
14794 * dwarf2out.c: Or here.
14795 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14798 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14800 * function.h (free_after_compilation): Remove decl parameter.
14801 (free_varasm_status0: Likewise.
14802 (free_emit_status): Likewise.
14803 (free_stmt_status): Likewise.
14804 (free_after_compilation): Likewise.
14805 (init_lang_status): New variable.
14806 (free_lang_status): Likewise.
14807 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14808 * function.c (init_lang_status): New variable.
14809 (free_lang_status): Likewise.
14810 (push_function_context_to): Don't set function::decl here.
14811 (free_after_copmilation): Make decl parameter implicit. Call
14812 free_lang_status if defined.
14813 (prepare_function_start): Call init_lang_status if defined.
14814 (init_function_start): Set function::decl here.
14815 * profile.c (output_func_start_profiler): Don't call pushdecl
14816 until we've actually started the function.
14817 * stmt.c (free_stmt_status): Make decl parameter implicit.
14818 * toplev.c (rest_of_compilation): Don't pass decl to
14819 free_after_compilation.
14820 * varasm.c (free_varasm_status): Likewise.
14822 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14824 * except.c (call_get_eh_context): Add root when allocating static
14827 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14829 * arm.c: Include "ggc.h".
14830 (arm_add_gc_roots): New function.
14831 (arm_override_options): Call it.
14832 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14834 * arm.md (define_asm_attributes): Add a pool_range attribute.
14836 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14838 * extend.texi (Volatiles): New node.
14840 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14842 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14843 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14844 (struct ggc_any): Replace `mark' with `magic_mark'.
14845 (ggc_alloc_string): Use memcpy, not bcopy.
14846 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14847 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14848 (ggc_free_any): New.
14849 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14850 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14851 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14852 Use IS_MARKED. Use ggc_free_any.
14854 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14856 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14858 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14860 * toplev.c (main): Always init_ggc.
14862 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14864 * except.c (find_all_handler_type_matches): Free the list if
14865 we found no matches.
14867 * combine.c (SUBST): Break out to a real function do_SUBST.
14868 (SUBST_INT): Likewise.
14869 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14870 (pre_insert): Free `inserted'.
14871 * loop.c (basic_induction_var): Always set `location'.
14873 * function.c (expand_function_end): Add initial_trampoline as a root.
14874 * rtl.h (init_varasm_once): Declare.
14875 * toplev.c (compile_file): Call it.
14876 * ggc-simple.c (ggc_mark_string_ptr): New.
14877 (ggc_add_string_root): New.
14878 (ggc_collect): Disable collection avoidance temporarily.
14879 * ggc.h (ggc_add_string_root): Declare.
14880 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14881 * optabs.c (init_libfuncs): Likewise.
14882 * varasm.c (named_section): Use ggc_alloc_string.
14883 (make_function_rtl): Likewise.
14884 (make_decl_rtl): Likewise.
14885 (assemble_static_space): Likewise.
14886 (assemble_trampoline_template): Likewise.
14887 (output_constant_def): Likewise.
14888 (force_const_mem): Likewise.
14889 (mark_const_hash_entry): New.
14890 (mark_pool_sym_hash_table): New.
14891 (mark_varasm_state): Use it.
14892 (init_varasm_once): New.
14894 * expr.h (init_one_libfunc): Declare.
14895 * optabs.c (init_one_libfunc): New.
14896 (init_optabs): Use it.
14897 * config/gofast.h: Likewise.
14898 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14899 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14901 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14903 * Makefile.in (cppexp.o): Depend on cpphash.h.
14904 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14906 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14907 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14908 redefining poisoned identifiers, etc.
14909 (do_undef): Don't allow poisoned identifiers to be undefined.
14910 (do_pragma): Add #pragma poison.
14911 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14913 * cccp.c: Add T_POISON node type.
14914 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14916 (do_define): Generalise to handle poisoned definitions,
14917 redefining poisoned identifiers, etc.
14918 (do_undef): Don't allow poisoned identifiers to be undefined.
14919 (do_pragma): Add #pragma poison.
14920 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14922 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14923 * c-pragma.h: Add ps_poison state. We now always have generic
14926 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14928 * ggc.h (ggc_alloc): New function.
14929 (ggc_mark): Likewise.
14930 * ggc-simple.c (ggc_any): New structure.
14931 (ggc_status): Add anys.
14932 (n_anys_collected): New variable.
14933 (ggc_alloc): Define.
14934 (ggc_mark): Likewise.
14935 (ggc_collect): Collect the anys.
14937 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14939 * c-decl.c (mark_binding_level): Make static to match prototype.
14941 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14943 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14945 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14947 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14948 will use into account. Expand the max width to 5.
14951 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14953 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14954 for the rtx length.
14956 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14958 * alpha.md (call value patterns): Remove the result predicates.
14960 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14962 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14965 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14967 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14968 changed from extern char *, to extern PTR. Also fix typo in
14969 NEED_DECLARATION_REALLOC test.
14971 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14973 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14975 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14976 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14977 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14978 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14980 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14982 * cccp.c (pcfinclude): Likewise.
14984 * global.c (allocno_compare): Likewise.
14986 * haifa-sched.c (rank_for_schedule): Likewise.
14988 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14990 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14992 * stupid.c (stupid_reg_compare): Likewise.
14994 * tree.c (_obstack_allocated_p): Likewise.
14996 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14998 1999-09-08 Bruce Korb autogen@linuxbox.com
15000 * Makefile.in: Give the hapless gperf user a hint about
15001 why "gperf -F" fails.
15003 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
15005 * lists.c: Include ggc.h.
15007 (init_EXPR_INSN_LIST_cache): Install it.
15009 * ggc-simple.c (init_ggc): Absorb the old init.
15010 (ggc_push_context): Use xcalloc.
15011 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
15012 (ggc_collect): Add [rvts] tags to the collection stats.
15014 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
15016 * cccp.c (main): Fix handling of -include and -imacros options.
15018 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
15020 * cpplib.c (cpp_push_buffer): Fix order of arguments.
15022 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15024 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
15027 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15029 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
15030 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
15031 and SET_DEST. Update comment.
15033 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15035 * config/c4x/c4x.c: Include ggc.h.
15036 (c4x_add_gc_roots): New function.
15037 (c4x_override_options): Call c4x_add_gc_roots.
15039 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
15041 * defaults.h (TARGET_ESC): Move ...
15042 * system.h: ... here, where Linas had it in the first place. Silly me.
15044 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
15046 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
15047 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
15048 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
15049 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
15050 * defaults.h (TARGET_ESC): Add default.
15052 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
15054 * configure.in: add i370-*-openedition, i370-*-mvs and
15055 i370-*-linux targets
15057 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
15059 * dsp16xxx.c: Include ggc.h
15060 (override_options): Mark GC roots.
15061 * mn10200.c: Include ggc.h.
15062 (asm_file_start): Mark GC roots.
15063 * tahoe.c: Include ggc.h.
15064 (extensible_operand): Mark GC roots.
15066 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
15068 * README: Add section discussing status of ELF ABI.
15069 * i370.c: Fix misc spelling mistakes.
15070 (i370_label_scan): Updated notes, exception handling.
15071 (i370_function_prolog): Simplify ELF stack handling.
15072 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
15073 (STACK_GROWS_DOWNWARD): ELF stack grows down.
15074 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
15075 * i370.md: (movdi): Add notes.
15076 (floatsidf2): Use stack not rtca for scratch float area.
15077 (iorsi3): Correct operand constraints.
15078 * x-oe: Restore TAROUTOPTS which are used by pax.
15080 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
15082 * rs6000.c: Include ggc.h.
15083 (rs6000_add_gc_roots): New function.
15084 (override_options): Call it.
15086 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
15088 * alpha.h (alpha_compare): New.
15089 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
15090 * alpha.c: Likewise for the definitions.
15091 (alpha_emit_conditional_branch): Update for alpha_compare.
15092 (alpha_emit_conditional_move): Likewise.
15093 * alpha.md (cmpdf, cmpdi): Likewise.
15094 (setcc patterns): Likewise. Zero alpha_compare after use.
15095 (sne): Optimize (x != 0) into (0U < x).
15097 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
15099 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
15100 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
15101 (INIT_EXPANDERS): Remove.
15102 * alpha.c: Include ggc.h.
15103 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
15104 (alpha_init_machine_status, alpha_mark_machine_status): New.
15105 (override_options): Install them.
15106 (struct machine_function): Moved to alpha.h.
15107 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
15108 (alpha_init_expanders): Remove.
15109 (alpha_return_addr): Adjust to use current_function->machine.
15110 (alpha_ra_ever_killed): Likewise.
15111 (alpha_expand_epilogue): Likewise.
15112 * alpha.md (eh_epilogue): Likewise.
15114 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
15115 Melissa O'Neill <oneill@cs.sfu.ca>
15116 Geoffrey Keating <geoffk@cygnus.com>
15118 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
15119 call-used registers (call-saved registers must still be contiguous
15120 and end with r31, of course).
15122 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
15124 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
15125 (self_promoting_type_p): Delete.
15126 (self_promoting_args_p): Move ...
15127 * c-common.c: ... here.
15128 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
15129 (simple_type_promotes_to): New.
15130 * builtins.c (lang_type_promotes_to): New.
15131 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
15132 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
15133 * c-common.h: ... here.
15134 (self_promoting_args_p, simple_type_promotes_to): Declare.
15135 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
15136 (grokdeclarator): Likewise.
15137 * tree.h (lang_type_promotes_to): Declare.
15139 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
15141 Add some machine-dependent GC roots.
15142 * sparc.c: Include ggc.h.
15143 (sparc_add_gc_roots): New function.
15144 (mark_ultrasparc_pipeline_state): Likewise.
15145 (override_options): Call sparc_add_gc_roots.
15146 * pa.c: Include ggc.h.
15147 (pa_add_gc_roots): New function.
15148 (mark_deferred_plabels): Likewise.
15149 (override_options): Call pa_add_gc_roots.
15150 * mips.c: Include ggc.h.
15151 (mips_add_gc_roots): New function.
15152 (override_options): Use it.
15154 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15156 * cpperror.c (cpp_file_line_for_message): Constify a char*.
15158 * cppexp.c (parse_number, parse_charconst, cpp_lex,
15159 cpp_parse_expr): Add static prototypes.
15160 (parse_charconst): Don't cast away const-ness.
15161 (token): Constify a char*.
15163 * cppfiles.c (file_name_list, include_hash, find_include_file,
15164 finclude, initialize_input_buffer): Constify a char*.
15165 (file_cleanup, find_position): Add static prototypes.
15167 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
15168 collect_expansion): Add static prototypes.
15169 (cpp_install, create_definition, monthnames): Constify a char*.
15171 * cpphash.h (cpp_install): Likewise.
15173 * cppinit.c (known_suffixes, default_include,
15174 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
15175 (base_name, dump_special_to_buffer, initialize_dependency_output):
15176 Add static prototypes.
15178 * cpplib.c (my_strerror): Constify a char*.
15179 (null_underflow, null_cleanup, skip_comment, copy_comment,
15180 copy_rest_of_line, handle_directive, pass_thru_directive,
15181 get_directive_token, read_line_number, cpp_print_file_and_line,
15182 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
15183 v_cpp_warning_with_line, detect_if_not_defined,
15184 consider_directive_while_skipping): Add static prototypes.
15185 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
15186 cpp_pedwarn_with_file_and_line): Constify a char*.
15188 * cpplib.h (cpp_options, include_hash, progname, definition,
15189 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
15190 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
15191 find_include_file, deps_output, include_hash): Constify a char*.
15193 * cppmain.c (progname): Constify.
15194 (main): Add prototype. Use return, not exit.
15196 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
15197 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
15198 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
15199 check_protection): Add static prototype.
15201 (progname, recognized_macrom, recognized_extern): Constify a char*.
15202 (main): Add prototype.
15204 * gen-protos.c (progname): Constify a char*.
15206 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
15208 * emit-rtl.c (free_emit_status): Take decl as a parameter.
15209 (init_emit_once): Add more GC roots.
15210 * except.c (mark_func_eh_entry): New function.
15211 (mark_eh_node): Mark false_label and rethrow_label.
15212 (init_eh): Add more GC roots.
15213 * function.c (free_after_compilation): Take decl as a paramter.
15214 Call free_stmt_status.
15215 (mark_function_state): Don't assume x_parm_reg_stack_loc is
15217 * function.h (free_after_compilation): Change prototype.
15218 (free_varasm_status): Likewise.
15219 (free_emit_status): Likewise.
15220 (free_stmt_status): New function.
15221 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
15222 Remove, replacing with ...
15223 (ggc_status): New structure.
15224 (ggc_chain): New variable.
15225 (init_gcc): Define.
15226 (ggc_push_context): New function.
15227 (ggc_pop_context): Likewise.
15228 (ggc_alloc_rtx): Adjust for use of ggc_chain.
15229 (ggc_alloc_rtvec): Likewise.
15230 (ggc_alloc_tree): Likewise.
15231 (ggc_alloc_string): Likewise.
15232 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
15233 (ggc_mark_tree): Give language-dependent code a chance to mark
15235 (ggc_mark_tree_varray): Handle empty arrays.
15236 (ggc_collect): Adjust for use of ggc_chain. Clear
15237 bytes_alloced_since_last_gc.
15238 * ggc.h (ggc_pop_context): New function.
15239 (ggc_push_context): Likewise.
15240 * print-tree.c (print_node): Don't print obstacks when GC'ing.
15241 * stmt.c (free_stmt_status): New function.
15242 (init_stmt_for_function): Clear last_expr_value.
15243 * toplev.c (rest_of_compilation): Always call free_after_compilation.
15244 Conditionalize call to ggc_collect.
15245 (main): Call init_ggc.
15246 * tree.c (push_obstacks): Do the push, even when GC'ing.
15247 (push_obstacks_nochange): Likewise.
15248 (pop_obstacks): Liekwise.
15249 * varasm.c (free_varasm_status): Take decl as a parameter.
15251 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
15253 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
15254 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
15255 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
15256 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
15258 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
15260 * pa/x-pa-mpeix: New file for the MPE port.
15262 * pa/quadlib.asm: New file for long double support.
15264 * configure.in: Add hppa1.0-*-mpeix for MPE port.
15265 * configure: Rebuilt.
15267 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
15269 * final.c (shorten_branches): Fix last change.
15271 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
15273 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
15275 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
15277 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
15280 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15282 * c-aux-info.c (concat): Don't define.
15284 * cccp.c (my_strerror): Likewise. All callers changed to use
15286 (do_include): Call xstrdup, not xmalloc/strcpy.
15287 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
15288 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
15290 * collect2.c (my_strsignal): Likewise. All callers changed to use
15292 (locatelib): Call xstrdup, not xmalloc/strcpy.
15294 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
15296 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
15298 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
15300 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15302 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15304 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15306 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15308 (find_all_handler_type_matches): Likewise. Don't check return
15310 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15311 xmalloc, not malloc.
15312 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15314 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15315 (init_spec): Call xcalloc, not xmalloc/bzero.
15316 (set_spec): Call xstrdup, not save_string.
15317 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15318 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15319 (process_command): Call xstrdup, not save_string.
15320 (main): Call xcalloc, not xmalloc/bzero.
15322 * gcov.c (xmalloc): Don't define.
15323 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15324 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15325 (output_data): Call xcalloc, not xmalloc/bzero.
15327 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15329 * mips-tdump.c (xmalloc): Don't define.
15330 (print_symbol): Call xmalloc, not malloc.
15331 (read_tfile): Call xcalloc, not calloc.
15333 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15334 Don't define. All callers of xfree/my_strsignal changed to use
15335 free/strsignal instead.
15336 (allocate_cluster): Call xcalloc, not calloc.
15338 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15339 Fix memory leak, free allocated memory.
15341 * prefix.c (translate_name): Call xstrdup, not save_string.
15342 (update_path): Likewise.
15344 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15346 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15347 Don't define. Callers of xfree/savestring2 changed to use
15348 free/concat instead.
15350 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15351 (init_elim_table): Likewise.
15353 * resource.c (init_resource_info): Likewise.
15355 * stupid.c (stupid_life_analysis): Likewise.
15357 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15358 (open_dump_file): Call concat, not xmalloc/strcpy/...
15359 (clean_dump_file): Likewise.
15360 (compile_file): Call xstrdup, not xmalloc/strcpy.
15362 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15364 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15365 * v850.c (v850_va_arg): New.
15367 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15369 * haifa-sched.c: Tidy comments.
15371 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15373 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15374 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15375 $(out_object_file)): Depend on ggc.h.
15376 * c-common.c: Include "ggc.h".
15377 (combine_strings): If doing GC, use ggc_alloc_string.
15378 * c-decl.c: Include "ggc.h".
15379 (ggc_p): Define with value 0.
15380 (mark_binding_level): New function.
15381 (init_decl_processing): Add GC roots.
15382 (mark_c_function_context): New function.
15383 (lang_mark_false_label_stack): New function.
15384 (lang_mark_tree): New function.
15385 (lang_cleanup_tree): New function.
15386 * c-lang.c: Include "ggc.h".
15387 (lang_init): Call c_parse_init.
15388 * c-lex.c: Include "ggc.h".
15389 (check_linenum): If doing GC, don't copy filenames to permanent
15391 * c-parse.in: Include "ggc.h".
15392 (c_parse_init): New function.
15393 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15394 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15396 * except.c (mark_eh_state): Mark more state.
15397 * function.c (mark_function_state): Likewise.
15398 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15399 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15400 * toplev.c (mark_file_stack): New function.
15401 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15402 (main): Add root for input_file_stack.
15404 * i386.c: Include "ggc.h".
15405 (ix86_mark_machine_status): New function.
15406 (override_options): Set mark_machine_status.
15408 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15410 * tree.c (copy_node): Copy node contents also if doing GC.
15412 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15414 * collect2.c (scan_libraries): Fix double-thinko :-).
15416 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15418 * collect2.c (scan_libraries): Fix thinko.
15420 * cse.c (delete_trivially_dead_insns): Do not skip the last
15421 insn if it is a real insn.
15423 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15425 * Makefile.in (ggc-simple.o): Depend on hash.h.
15426 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15427 (ggc_mark_tree_varray): Likewise.
15428 (ggc_mark_tree_hash_table): Likewise.
15429 * ggc-simple.c: Include hash.h.
15430 (ggc_mark_tree_hash_table_ptr): New function.
15431 (ggc_mark_tree_hash_table_entry): Likewise.
15432 (ggc_mark_tree_hash_table): Likewise.
15433 (ggc_add_tree_hash_table_root): Likewise.
15434 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15435 rtx, when defining fields.
15437 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15439 * profile.c (output_func_start_profiler): Remove apparently
15440 nonsensical call to start_sequence.
15442 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15444 * clipper/clipper.c (clipper_va_start): Fix typos.
15446 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15447 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15448 (spur_va_arg): New stub.
15450 * configure.in: Comment out pyramid.
15452 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15454 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15455 don't conflict with the bits that win32, cygwin, and dgux
15458 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15459 Bernd Schmidt <bernds@cygnus.co.uk>
15461 * integrate.c (function_cannot_inline_p): Do not inline
15462 functions with forced labels.
15464 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15465 Bernd Schmidt <bernds@cygnus.co.uk>
15466 Mark Mitchell <mark@codesourcery.com>
15468 * Makefile.in (ggc-simple.o): Depend on varray.h.
15469 (rtl.o): Depend on ggc.h.
15470 (genattrtab.o): Depend on ggc.h.
15471 (print-tree.o): Likewise.
15472 (fold-const.o): Likewise.
15473 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15474 (make_insn_raw): Don't cache insns when GC'ing.
15475 (emit_insn_before): Likewise.
15476 (emit_insn_after): Likewise.
15477 (emit_insn): Likewise.
15478 (start_sequence): Use xmalloc to allocate the sequence_stack.
15479 (end_sequence): Add free to free it.
15480 (gen_sequence): Don't cache insns when GC'ing.
15481 (clear_emit_caches): Don't use sequence_element_free_list.
15482 (init_emit): Use xcalloc, not xmalloc+bzero.
15483 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15484 * function.c (pop_function_context_from): Use free to free the
15485 fixup_var_refs_queue.
15486 (put_reg_into_stack): Allocate it with xmalloc.
15487 * genattrtab.c: Include ggc.h.
15488 (operate_exp): Don't use obstack_free when GC'ing.
15489 (simplify_cond): Likewise.
15490 (simplify_text_exp): Likewise.
15491 (optimize_attrs): Likewise.
15492 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15494 (gencode): Generate a #include for ggc.h.
15495 * ggc-callbacks.c (ggc_p): Define it to zero.
15496 * ggc-none.c (ggc_p): Likewise.
15497 * ggc-simple.c: Include varray.h.
15498 (ggc_mark_tree_varray): New function.
15499 (ggc_add_tree_varray_root): Likewise.
15500 (ggc_mark_tree_varray_ptr): Likewise.
15501 * ggc.h (ggc_p): Declare.
15502 (varray_head_tag): Likewise.
15503 (ggc_add_tree_varray_root): Declare.
15504 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15505 inconsistencies when GC'ing.
15506 * rtl.c: Include ggc.h.
15507 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15508 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15509 (rtx_free): Don't call obstack_free when GC'ing.
15510 * toplev.c (rest_of_compilation): Call ggc_collect after every
15512 * tree.c (push_obstacks): Do nothing, if GC'ing.
15513 (pop_obstacks_nochange): Likewise.
15514 (pop_obstacks): Likewise.
15515 (make_node): Use ggc_alloc_tree when GC'ing.
15516 (copy_node): Likewise.
15517 (get_identifier): Use ggc_alloc_string when GC'ing.
15518 (build_string): Likewise.
15519 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15520 (tree_cons): Likewise.
15521 (build1): Likewise.
15522 (type_hash_canon): Don't call obstack_free when GC'ing.
15524 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15526 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15527 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15529 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15530 Bernd Schmidt <bernds@cygnus.co.uk>
15531 Mark Mitchell <mark@codesourcery.com>
15533 * Makefile.in (stor-layout.o): Depend on ggc.h.
15534 (expr.o): Depend on ggc.h.
15535 (profile.o): Depend on ggc.h.
15536 (stor-layout.o): Depend on ggc.h.
15537 * emit-rtl.c (init_emit_once): Add gc roots.
15538 * expr.c: Include ggc.h.
15539 (emit_block_move): Add gc roots.
15540 (clear_storage): Likewise.
15541 * expr.h (init_stor_layout_once): New function.
15542 * profile.c: Include ggc.h.
15543 (init_arc_profiler): profiler_label is a root.
15544 * scan.c (make_sstring_space): Trust xrealloc to function
15545 correctly with first parameter NULL.
15546 * stor-layout.c: Include ggc.h.
15547 (set_sizetype): Add gc root.
15548 (init_stor_layout_once): New function.
15549 * toplev.c (compile_file): Call it.
15551 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15552 Bernd Schmidt <bernds@cygnus.co.uk>
15553 Mark Mitchell <mark@codesourcery.com>
15555 * Makefile.in (tree.o): Depend on ggc.h.
15556 (varasm.o): Likewise.
15557 (function.o): Likewise.
15558 (stmt.o): Likewise.
15559 (except.o): Likewise.
15560 (optabs.o): Likewise.
15561 (emit-rtl.o): Likewise.
15562 * emit-rtl.c: Include ggc.h.
15563 (sequence_element_free_list): Remove, and all references.
15564 (mark_sequence): New functions.
15565 (mark_emit_state): New function.
15566 * except.c: Include ggc.h.
15567 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15568 (mark_tree_label_node): New functions.
15569 (mark_eh_state): New function.
15570 * function.c: Include ggc.h.
15571 (mark_temp_slot, mark_function_chain): New functions.
15572 (mark_function_state): New function.
15573 (init_function_once): New function.
15574 * function.h (init_function_once): New function.
15575 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15576 * ggc.h (label_node): Declare.
15577 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15578 (lang_mark_false_label_stack): New function.
15579 (mark_temp_slot): Remove declaration.
15580 (mark_function_chain): Likewise.
15581 (mark_eh_state): Adjust prototype.
15582 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15584 * optabs.c: Include ggc.h.
15585 (mark_optab): New function.
15586 (init_optabs): Add gc roots.
15587 * stmt.c: Include ggc.h.
15588 (mark_cond_nesting, mark_loop_nesting): New functions.
15589 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15590 (mark_stmt_state): New function.
15591 * toplev.c (compile_file): Call init_function_once.
15592 * tree.c: Include ggc.h.
15593 (type_hash): Move declaration earlier in file.
15594 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15595 (init_obstacks): Add gc roots.
15596 (mark_type_hash): New function.
15597 * varasm.c: Include ggc.h.
15598 (mark_pool_constant): New function.
15599 (mark_varasm_state): New function.
15601 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15603 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15605 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15607 * c-decl.c (struct language_function): Renamed from struct c_function.
15609 (c_function_chain): Delete.
15610 (push_c_function_context): New arg F. Don't warn about nested
15611 functions here. Fill LANGUAGE elt of F. Delete code to update
15612 c_function_chain. Don't call push_function_context.
15613 (pop_c_function_context): New arg F. Restore from there instead of
15614 from c_function_chain. Don't call pop_function_context. Clear out
15615 LANGUAGE field of F when done.
15616 * c-lang.c: Include "function.h"
15617 (lang_init): Initialize save_lang_status and restore_lang_status.
15618 * c-parse.in (nested_function, nested_function_notype): Warn about
15619 nested functions. Call push_function_context/pop_function_context
15620 instead of the _c_ variants.
15621 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15623 * Makefile.in (c-lang.o): Update dependencies.
15625 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15626 regno_pointer_flag, regno_pointer_align.
15627 (gen_reg_rtx): Use xrealloc to enlarge them.
15628 (free_emit_status): New function.
15629 * function.c (mark_machine_status, mark_lang_status): New variables.
15630 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15631 in some bits from assign_stack_local. All callers changed to use new
15633 (assign_stack_local): Just call assign_stack_local_1.
15634 (free_after_compilation): New function.
15635 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15636 (trampoline_address): Likewise.
15637 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15638 (prepare_function_start): Explicitly clear some more variables.
15639 * function.h (struct function): New elt can_garbage_collect.
15640 (mark_machine_status, mark_lang_status): Declare variables.
15641 (free_after_compilation, free_emit_status, free_varasm_status,
15642 init_varasm_status): Declare functions.
15643 * toplev.c (rest_of_compilation): Call free_after_compilation when
15644 done with the current function.
15645 * varasm.c (free_varasm_status): New function.
15647 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15649 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15650 (EXPAND_BUILTIN_VA_ARG): Define.
15651 * sparc.c (sparc_va_start): New.
15652 (sparc_va_arg): New.
15654 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15656 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15658 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15660 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15662 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15664 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15665 (OBJS): Add $(GGC).
15666 (ggc-callbacks.o): New target.
15667 * ggc-callbacks.c: New file.
15669 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15671 * expr.h: Collapse individual optab and libfunc vars to arrays.
15672 (optab_index, libfunc_index): New enumerations.
15673 (optab_table, libfunc_table): New arrays.
15674 Add accessor macros for both.
15676 * optabs.c (optab_table, libfunc_table): New.
15677 Delete declarations for individual optab and libfunc vars.
15679 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15681 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15683 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15685 * Makefile.in (GGC, GGC_LIB): New.
15686 (HOST_RTL): Include ggc-none.o.
15687 (ggc-simple.o): New target.
15688 (ggc-none.o): Likewise.
15689 * tree.h (tree_common): Add gc_mark.
15690 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15691 (struct rtvec_def): Add gc_mark.
15692 * emit-rtl.c (global_rtl): Update static initializers to contain
15693 enough initializers.
15694 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15695 * toplev.c (gc_time): New variable.
15696 (all_time): New variable.
15697 (compile_file): Print gc time.
15698 (print_time): Calculate percentage of the whole.
15700 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15702 Change obstack memory management and varasm constant pool handling so
15703 that nested functions are treated like any other functions.
15704 * function.c (init_machine_status): New variable.
15705 (push_function_context_to): Set contains_functions for the outer
15706 function. Don't call save_varasm_status.
15707 (pop_function_context_from): Don't call restore_varasm_status. Don't
15708 set current_function_contains_functions.
15709 (prepare_function_start): Call init_varasm_status rather than
15710 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15712 * function.h (struct function) Add field varasm. Delete fields
15713 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15714 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15715 (init_machine_status): Declare.
15716 (save_varasm_status, restore_varasm_status): Delete declarations.
15717 (save_tree_status, restore_tree_status): Delete last argument.
15718 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15719 code. All callers changed.
15720 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15721 save_constants_in_decl_trees, restore_constants, save_constants,
15722 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15724 (inlining): New variable.
15725 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15726 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15728 (save_for_inline_nocopy): Don't save constants.
15729 Don't set inl_emit field in current_function.
15730 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15731 function. Set new variable inlining before
15732 calling copy_rtx_and_substitute.
15733 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15734 constant pool references if inlining is nonzero.
15735 Delete ADDRESS and (most of the) CONST cases.
15736 (output_inline_function): Save and restore current_function/
15737 current_function_decl. Delete restore_constants code. Don't call
15738 init_const_rtx_hash_table.
15739 * output.h (init_const_rtx_hash_table): Don't declare.
15740 * rtl.h (struct function): Declare.
15741 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15742 * toplev.c (rest_of_compilation): Don't treat nested functions or
15743 functions containing them specially. Delete all code to deal with
15744 save_for_inline_copying.
15745 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15746 inline_obstacks): Delete variables.
15747 (save_tree_status): Lose arg CONTEXT. All callers changed.
15748 Simply allocate a new function_maybepermanent_obstack for the new
15749 function, delete all the special cases.
15750 Don't save inline_obstacks.
15751 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15752 Delete special handling for function_maybepermanent_obstack; simply
15754 Don't restore inline_obstacks.
15755 (permanent_allocation): Delete code that frees inline_obstacks.
15756 (print_inline_obstack_statistics): Delete function.
15757 (dump_tree_statistics): Don't call it.
15758 * varasm.c (struct varasm_status): New.
15759 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15760 last_pool, pool_offset, const_double_chain): Delete global
15761 variables, replace with accessor macros.
15762 (immed_double_const): Don't walk const_double_chain outside a
15763 function, but don't treat nested functions specially anymore.
15764 (immed_real_const_1): Likewise.
15765 (clear_const_double_mem): Don't treat nested functions specially.
15766 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15767 (save_varasm_status, restore_varasm_status): Delete functions.
15768 (init_varasm_status): New function.
15769 (force_const_mem): Don't treat nested functions specially.
15770 (find_pool_constant): Accept new arg F, search for constants in
15771 that function's pool rather than the current one. All callers
15773 (get_pool_constant_for_function, get_pool_mode_for_function): New
15776 * i386.c (init_386_machine_status): New function, mostly from
15777 clear_386_stack_locals.
15778 (struct machine_functions): Rename element names to avoid name
15780 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15781 macros, replacing global variables.
15782 (clear_386_stack_locals, save_386_machine_status,
15783 restore_386_machine_status): Delete functions.
15784 (override_options): Initialize init_machine_status.
15785 * i386.h (INIT_EXPANDERS): Delete macro.
15786 (save_386_machine_status, restore_386_machine_status,
15787 clear_386_stack_locals): Delete declarations.
15789 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15791 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15792 (doloop_begin): Simplify pattern and use emit_jump_insn.
15793 (doloop_end): Simplify pattern, switch operand order,
15794 and use emit_jump_insn.
15796 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15798 * function.h (struct function): Add new element LANGUAGE.
15799 (save_lang_status): Declare new variable.
15800 (restore_lang_status): Likewise.
15801 * function.c (save_lang_status): Define.
15802 (restore_lang_status): Likewise.
15803 (push_function_context_to): Call language-specific save function.
15804 (pop_function_context_from): Call language-specific restore function.
15806 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15808 * i386.md (movsf_1): Check REG_P before use of REGNO.
15809 (movdf_1): Likewise.
15810 (movxf_1): Likewise.
15811 (extendsfdf2): Likewise.
15812 (extendsfxf2): Likewise.
15813 (extenddfxf2): Likewise.
15815 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15817 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15818 constants into memory.
15819 (c4x_shiftable_constant): New function.
15820 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15821 (c4x_shiftable_constant): Declare.
15822 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15823 ashlqi3_noclobber): Add new patterns and associated splitters.
15825 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15827 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15828 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15829 * final.c (shorten_branches): Likewise.
15830 * global.c (global_alloc): Likewise.
15831 * haifa-sched.c (build_control_flow): Likewise.
15832 * stmt.c (check_for_full_enumeration_handling): Likewise.
15833 (estimate_case_costs): Likewise.
15835 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15837 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15839 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15841 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15842 (recompute_reg_usage): Likewise.
15843 * rtlanal.c (find_regno_fusage): Likewise.
15845 * rtl.c (rtl_check_failed_code1): New function.
15846 (rtl_check_failed_code2): New.
15847 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15848 (RTL_CHECKC1, RTL_CHECKC2): New.
15849 (XC*): New accessor macros.
15850 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15851 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15852 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15853 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15854 (TRAP_*, RANGE_INFO_*): Likewise.
15856 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15858 * Makefile.in (tlink.o): Don't depend on toplev.h.
15860 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15861 output_file, nm_file_name, ldd_file_name, strip_file_name,
15862 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15863 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15864 fork_execute, maybe_unlink, add_to_list,
15865 extract_init_priority, write_list, dump_list,
15866 dump_prefix_list, write_list_with_asm, write_c_file,
15867 write_c_file_stat, write_c_file_glob, scan_prog_file,
15868 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15869 ignore_library, extract_string, notice, dump_file, target_machine,
15870 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15871 read_file, print_load_command): Constify a char*.
15872 (fdopen, error, fatal, fatal_perror): Don't prototype.
15873 (my_strerror): Remove. All callers use xstrerror instead.
15874 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15875 (main): Add prototype. Constify lots of char* ptrs. Change calls
15876 to xcalloc/strcpy/strcat/... to one call to concat.
15877 (main, scan_prog_file, scan_libraries): Use an intermediate
15878 `const char **' to build an argv array.
15879 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15881 * collect2.h (collect_execute, collect_wait, dump_file,
15882 file_exists): Constify a char*.
15883 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15884 temporary_firstobj, vflag, debug): Add extern declarations.
15885 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15887 * tlink.c: Don't include toplev.h.
15888 (vflag, debug, ldout, c_file_name, temporary_obstack,
15889 permanent_obstack, temporary_firstobj): Don't declare.
15890 (tlink_execute, frob_extension, symbol_hash_lookup,
15891 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15892 recompile_files, read_repo_files, demangle_new_symbols,
15893 scan_linker_output): Constify a char*.
15894 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15895 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15897 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15899 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15900 (relative) rather than jsr (absolute) subroutine call insns.
15901 * config/m68k/m68k-coff.h: Ditto.
15903 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15905 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15906 now rework these too.
15907 (arm_reorg): If an insn can't reach the end of the current pool,
15908 ensure that we emit that pool before the insn.
15910 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15912 * tlink.c (scan_linker_output): Skip the initial underscore in
15913 a mangled name if appropriate.
15915 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15917 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15918 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15919 error_with_ivar, gen_declarator, create_builtin_decl,
15920 my_build_string, generate_descriptor_table, generate_ivars_list,
15921 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15922 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15923 dump_base_name, lang_decode_option, build_encode_expr,
15924 start_class, finish_class, encode_pointer, really_start_method,
15925 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15927 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15928 Add static prototypes.
15929 (build_objc_string_decl, build_selector_reference_decl,
15930 encode_bitfield, build_class_reference_decl): Remove unused
15931 parameter, all callers changed.
15932 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15933 (objc_printable_name): Likewise. Change second parameter to type int.
15934 (init_objc): Use memcpy, not bcopy, to avoid casts.
15936 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15938 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15939 reg notes on a deleted insn.
15940 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15942 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15944 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15946 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15948 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15951 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15953 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15954 * tm.texi (MD_ASM_CLOBBERS): Document it.
15956 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15958 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15959 * except.c (expand_rethrow): Remove unused variable.
15960 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15961 * flow.c (replace_insns): Likewise.
15962 (create_edge_list, verify_edge_list): Likewise.
15963 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15965 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15966 is special code to run.
15967 (main): Don't define operands to emit_operand.
15968 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15970 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15972 * alpha/alpha.h (normal_memory_operand): Declare.
15973 (reg_no_subreg_operand): Declare.
15974 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15976 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15978 * c-parse.in (compstmt_primary_start): New, broken out of first
15979 part of compstmt handling in primary.
15980 (primary): Use it. Add an error clause.
15981 (compstmt_nostart): Renamed from compstmt; remove all
15982 initial invocations of compstmt_start.
15985 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15987 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15990 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15992 * combine.c (simplify_shift_const): Remove extra semicolon.
15993 * dwarf2out.c (remove_AT): Likewise.
15994 * expmed.c (expand_mult): Likewise.
15995 * gcov.c (create_program_flow_graph): Likewise.
15996 * reorg.c (mostly_true_jump): Likewise.
15998 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
16000 * fold-const.c (fold_range_test): Do not try to fold the range
16001 test if the rhs or lhs has side effects.
16003 * combine.c (simplify_rtx): Recognize another case of a synthesized
16006 * varasm.c (mark_constant_pool): When marking indirect references,
16007 only look at SYMBOL_REFs.
16009 * except.c (expand_fixup_region_end): Do not peek at
16010 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
16012 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
16014 * flags.h: New variables align_loops, align_loops_log,
16015 align_jumps, align_jumps_log, align_labels, align_labels_log,
16016 align_functions, align_functions_log.
16017 * toplev.c: Define them.
16018 (f_options): Handle -falign-* when they have no argument.
16019 (main): Add logic to set variables for -falign-functions,
16020 -falign-jumps, -falign-labels, -falign-loops.
16021 Make it -fsched-verbose=<n> and -finline-limit=<n>.
16022 (display_help): Change help to match options.
16023 * final.c (LABEL_ALIGN): Default to align_labels_log.
16024 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
16025 (LOOP_ALIGN): Default to align_loops_log.
16026 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
16027 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
16028 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
16029 * varasm.c (assemble_start_function): Handle align_functions.
16031 * config/sparc/sparc.h: Don't declare sparc_align_*.
16032 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
16033 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
16035 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
16037 * config/sparc/sparc.c: Delete sparc_align_loops,
16038 sparc_align_jumps, sparc_align_funcs and the corresponding string
16040 (sparc_override_options): Default align_functions on ultrasparc.
16041 Delete -malign-* handling.
16043 * config/mips/mips.c (override_options): On 64-bit targets,
16044 try to align code to 64-bit boundaries.
16045 (print_operand): New substitution, %~,
16046 which aligns labels to align_labels_log.
16047 * config/mips/mips.md (div_trap_normal): Use %~.
16048 (div_trap_mips16): Likewise.
16050 (absdi2): Likewise.
16051 (ffssi2): Likewise.
16052 (ffsdi2): Likewise.
16053 (ashldi3_internal): Likewise.
16054 (ashrdi3_internal): Likewise.
16055 (lshrdi3_internal): Likewise.
16056 (casesi_internal): Likewise.
16058 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
16060 Merge new ia32 backend from the branch!
16062 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
16063 See ChangeLog.P2 on new_ia32_branch for details.
16065 * rtl.h (stack_regs_mentioned_p): Delete prototype.
16066 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
16067 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
16068 * i386/gas.h (ASM_FILE_START): Define.
16069 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
16070 for name change of ix86_valid_decl_attribute_p.
16071 (i386_pe_valid_type_attribute_p): Similarly.
16073 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
16075 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
16076 to step through CC modes.
16078 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16080 * regmove.c (fixup_match_1): Don't move INSN in front of P if
16081 it would end up in the shadow of a live flags regsiter.
16083 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16085 * reload1.c: Fix many indentation problems.
16086 * reload.c: Likewise.
16088 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
16090 * alias.c (non_local_reference_p): Constify fmt.
16092 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
16094 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
16096 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
16098 * cse.c (delete_trivially_dead_insns): Do not delete stores to
16099 the internal_arg_pointer.
16101 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
16103 Merge peephole2 from new_ia32_branch:
16104 * Makefile.in (STAGESTUFF): Add *.peephole2.
16105 (mostlyclean): Likewise.
16106 (recog.o): Depend on resource.h.
16108 * final.c (peephole): Conditionalize decl on HAVE_peephole.
16109 (final_scan_insn): Likewise for the invocation of peephole.
16110 * genconfig.c (main): Look for peephole and peephole2 patterns.
16111 Emit HAVE_peephole* accordingly.
16112 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
16113 * flags.h (flag_peephole2): Declare.
16114 * toplev.c: New pass peephole2. New flag -fpeephole2.
16116 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
16117 * gencodes.c (main): Likewise.
16118 * genextract.c (main): Likewise.
16119 * genoutput.c (main): Likewise.
16120 * genemit.c (max_operand_1): Look for the max scratch operand.
16121 (gen_rtx_scratch): New.
16122 (gen_exp): Use it, and pass on new arg subroutine_type.
16123 (gen_expand): Take max scratch into account.
16124 (gen_split): Emit peephole2 functions.
16125 (output_peephole2_scratch): New.
16126 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
16127 * genrecog.c (routine_type): Add PEEPHOLE2.
16129 (make_insn_sequence): Match outer parallel for peep2. Discard
16130 top level scratches and dups.
16131 (add_to_sequence): New args insn_type and top. Update all callers.
16132 Handle toplevel peep2 matching insns.
16133 (write_subroutine): Handle peep2.
16134 (write_tree_1): Likewise.
16135 (write_tree): Likewise.
16137 (change_state): New arg afterward. Update all callers.
16138 Handle matching separate insns.
16139 * recog.c (recog_next_insn): New.
16140 (peephole2_optimize): New.
16141 * rtl.def (DEFINE_PEEPHOLE2): New.
16142 * resource.c (find_free_register): New argument last_insn. Use it
16143 to find a register available through the entire span.
16144 * resource.h (find_free_register): Update prototype.
16146 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
16148 * i386.c (output_strlen_unroll): Don't write xops[7]
16149 label if it wasn't set.
16151 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
16153 * cpplib.c (struct directive): Const-ify name pointer and
16154 function pointer prototype.
16155 (validate_else, do_define, do_line, do_include, do_undef,
16156 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
16157 do_elif, do_endif, do_sccs, do_assert, do_unassert,
16158 do_warning): Const-ify second arg.
16159 (directive_table): Mark const. Reorder entries by frequency
16160 of usage, record statistics.
16162 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
16164 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
16165 bounds- check RTL accesses if --enable-checking.
16166 (RTVEC_ELT): Bounds check if --enable-checking.
16167 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
16168 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
16169 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
16171 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
16172 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
16174 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
16175 (NOTE_SOURCE_FILE): Use X0STR.
16176 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
16177 MEM_ALIAS_SET): Use X0INT.
16178 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
16179 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
16181 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
16182 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
16183 (rtl_check_failed_bounds, rtl_check_failed_type1,
16184 rtl_check_failed_type2, rtvec_check_failed_bounds): New
16186 (fancy_abort): Fix comment.
16188 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
16189 (cse_insn): Decrement LABEL_NUSES for jump target before
16190 deleting jump insn.
16191 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
16192 * final.c (alter_subreg): Compute regno before changing x to
16193 REG; set REGNO(x) after changing it.
16194 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
16195 notes containing CONST_INTs.
16196 (delete_eh_regions): Use NOTE_EH_HANDLER.
16197 * function.c (put_reg_into_stack): Make reg a MEM before
16199 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
16201 (gen_mem_addressof): Make reg a MEM before initializing it.
16202 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
16204 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
16205 deleting an insn, not after.
16206 (block_alloc): Only look at PATTERN(insn) if we have to, and
16207 only if it's format class 'i'.
16208 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
16209 CONST_INT before using its INTVAL.
16210 * print-rtl.c (print_rtx): Use X0STR.
16211 * regmove.c (fixup_match_1): Don't look at PATTERN of
16212 non-class-'i' insn chain elements.
16213 * reload.c (loc_mentioned_in_p): Take address of
16214 in->fld[1].rtx directly.
16215 * reload1.c (reload): Change reg to a MEM before initializing
16217 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
16219 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
16221 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
16223 * config/mips/mips.c (machine_dependent_reorg): Force a
16224 barrier to output the local constant pool if a barrier hasn't
16225 been found at a natural point in the instruction stream.
16227 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16229 * c-parse.in (language_string): Constify.
16231 * dwarf2out.c (language_string): Remove declaration.
16233 * dwarfout.c (language_string): Likewise.
16235 * toplev.c (language_string, init_parse, finish_parse): Likewise.
16237 * tree.h (language_string, init_parse, finish_parse): Declare.
16239 * i386/sun386.h (language_string): Remove declaration.
16241 * mips.h (language_string): Likewise.
16243 * nextstep.h (language_string): Likewise.
16245 * nextstep21.h (language_string): Likewise.
16247 * rs6000.c (language_string): Likewise.
16249 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16251 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
16252 (getpwd.o): Remove target.
16254 * getpwd.c: Delete file. Its in libiberty now.
16256 * dbxout.c (getpwd): Don't prototype.
16257 * dwarf2out.c (getpwd): Likewise
16258 * dwarfout.c (getpwd): Likewise
16259 * final.c (getpwd): Likewise.
16260 * protoize.c (getpwd): Likewise.
16262 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16264 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
16266 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16268 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
16269 mark_set_resources.
16271 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
16273 * fixinc/Makefile.in (subdir): New.
16274 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
16277 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
16279 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
16280 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
16283 * invoke.texi: Fix typo.
16285 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
16286 changed. Handle autoincrement addressing modes.
16288 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
16289 just like we would the virtual incoming args register when
16292 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
16294 * rs6000.h (ASM_FILE_START): Specify complete filename, including
16295 path, in .file directive.
16297 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
16299 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16302 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16304 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16307 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16309 * tree.c (tree_code_name): Constify a char*.
16311 * tree.h (tree_code_name, decl_printable_name): Likewise.
16313 * function.h (struct function): Likewise.
16315 * toplev.c (decl_name, decl_printable_name): Likewise.
16317 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16319 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16320 (init_objc): Remove function pointer cast.
16322 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16324 * pa.md (interspace_jump): New pattern.
16325 (builtin_longjmp): New expander.
16327 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16329 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16330 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16331 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16333 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16335 * jump.c (delete_prior_computation): Also check calls
16336 to constant functions. Don't bother checking for a
16337 REG_UNUSED note before adding it.
16338 (delete_computation): Handle multi-word hard registers
16339 when synthesizing missing REG_DEAD notes for a register
16340 which is both set and used by an insn.
16342 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16344 * loop.c (this_loop_info): New variable.
16345 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16346 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16348 (prescan_loop, strength_reduce): New argument loop_info. All callers
16350 (scan_loop): New variable loop_info, initialise to address of
16352 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16353 Delete variable loop_has_multiple_exit targets and replace with
16354 field in this_loop_info.
16355 (find_and_verify_loops): Rename this_loop to this_loop_num.
16356 (strength_reduce): Delete loop_iteration_info. Replace variable
16357 loop_info with function argument of same name.
16358 (insert_bct): Rework test for loop being completely unrolled.
16360 * loop.h (struct loop_info): New fields num, loops_enclosed,
16361 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16362 has_indirect_jump, and cont. Redefine use of unroll_number.
16363 (loop_unroll_number): Delete.
16365 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16366 field of loop_info.
16367 (loop_iterations): Delete variable vtop and instead use
16368 loop_info->vtop computed in prescan_loop.
16370 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16372 * fix-header.c (main): Do not pass a null pointer to strcmp.
16374 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16376 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16378 * configure: Rebuilt.
16380 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16382 * jump.c (jump_optimize_1): Do not delete assignments to
16383 internal_arg_pointer.
16384 * cse.c (delete_trivially_dead_insns): Always consider a set of
16385 the internal_arg_pointer live.
16387 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16389 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16390 (update_life_info) [REG_WAS_0]: Search the original insns rather
16391 than the new insns for the note. Fix typos finding note_dest.
16392 If no dest found, discard the note rather than abort.
16393 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16394 (replace_insns): Remove the old insn list after update_life_info
16397 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16399 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16400 sched_analyze_insn.
16401 (sched_analyze_1): Let add_dependence care for not adding dups.
16402 (sched_analyze_2): Likewise.
16403 (add_branch_dependences): Likewise.
16405 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16407 * i386/winnt.c (export_list): New type.
16408 (exports_head): Rename to
16409 (export_head): this.
16410 (i386_pe_record_exported_symbol): Add is_data flag.
16411 (i386_pe_asm_file_end): Emit directive for exported variables.
16412 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16414 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16415 (ASM_DECLARE_OBJECT_NAME): Likewise.
16416 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16417 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16419 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16421 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16423 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16426 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16428 * config/openbsd.h: Define SET_ASM_OP.
16429 * tm.texi: cross-reference SET_ASM_OP in the index.
16431 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16433 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16434 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16435 and class_narrowest_mode at compile time. Kill init_rtl.
16436 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16437 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16438 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16440 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16442 * rtl.h: Declare rtx_length and rtx_format as const.
16443 * machmode.def: Define CC(). Use CC() to define CCmode. If
16444 EXTRA_CC_MODES is defined, expand it here.
16445 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16446 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16447 const. Kill all references to EXTRA_CC_MODES.
16449 * toplev.c: Don't prototype or call init_rtl.
16450 * optabs.c: Don't call init_mov_optab.
16451 * genemit.c: Don't generate init_mov_optab. Don't call
16453 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16455 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16456 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16457 genrecog.c: Don't call init_rtl.
16459 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16460 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16461 definition of EXTRA_CC_MODES.
16463 * md.texi: Kill ref to EXTRA_CC_NAMES.
16464 * tm.texi: Document new way to define EXTRA_CC_MODES.
16466 * genrecog.c: Do not look up the name of a define_split.
16467 (Unrelated bugfix.)
16469 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16471 * config/v850/v850.md: Fix typo introduced by previous delta.
16473 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16475 * gcc.c (fatal): Make definition static to match prototype.
16477 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16479 * combine.c (get_last_value): Don't look for earlier sets if the last
16480 known set is somewhere in between the insns being combined.
16482 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16484 * configure.in: Don't use shell ! to negate exit codes
16485 * configure: Regenerate
16487 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16489 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16490 the fact that ALIGN is measured in bits, not bytes.
16492 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16494 * errors.c: New file; defines functions error, warning, and
16495 fatal, variables have_error and progname.
16496 * errors.h: New file; prototypes and decls for stuff in errors.c.
16498 * Makefile: Add rules to build errors.o and
16499 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16500 genopinit, genrecog, genextract, genpeep, genattr, and
16501 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16502 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16503 genpeep.o, genattr.o, and genoutput.o.
16505 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16506 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16507 define or prototype fatal. Set progname at beginning of main.
16508 * genoutput.c: Likewise, and don't define or prototype error
16511 * c-typeck.c (c_expand_start_case): Return immediately if exp
16513 * fold-const.c (operand_equal_p): Return immediately if arg1
16514 or arg0 are ERROR_MARKs.
16515 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16516 fields of type ERROR_MARK when calculating if the record can
16519 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16520 with much help from Jeffrey A Law and Richard Henderson
16522 * i386.md: In the 6 insns which call output_fix_trunc,
16523 earlyclobber operands[0].
16525 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16527 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16528 creating new registers.
16530 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16532 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16533 i386_reg_alloc_order, i386_regparm_string,
16534 i386_align_loops_string, i386_align_jumps_string,
16535 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16536 and i386_branch_cost_string as type "const char *".
16537 * i386.c: Define all above strings as type "const char *".
16539 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16541 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16542 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16544 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16546 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16547 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16549 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16551 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16552 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16553 (dwarf2out_line, dwarf2out_finish): Likewise.
16554 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16556 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16558 * tree.c (lang_unsave_expr_now) : Correct return type.
16559 * tree.h (lang_unsave_expr_now) : Same.
16561 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16563 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16564 instead of duplicating code.
16566 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16568 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16570 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16572 * tree.h: fancy_abort always takes three args.
16573 * resource.c: Move include of system.h before toplev.h.
16575 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16577 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16580 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16582 * system.h: Don't redefine abort or trim_filename.
16583 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16584 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16585 whether or not __FUNCTION__ is available.
16586 * tree.h: Duplicate rtl.h's definition of abort, for files
16587 that don't include rtl.h. Delete all code to perform type
16588 checking with a compiler other than GCC.
16589 * varray.h: Delete all code to perform type checking with a
16590 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16591 its arguments exactly once, using a statement expression.
16592 Adjust the VARRAY_<type> accessor macros to match.
16593 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16594 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16595 caller's location. Define fatal_insn and fatal_insn_not_found
16596 as macros that use _fatal_insn and _fatal_insn_not_found.
16597 (fancy_abort, trim_filename): Kill prototypes.
16599 * rtl.c (trim_filename): Move here from toplev.c.
16600 (fancy_abort): New function.
16601 (DIR_SEPARATOR): Provide default definition.
16602 * tree.c (tree_check_failed, tree_class_check_failed): Go
16603 through fancy_abort.
16604 (tree_check, tree_class_check, cst_or_constructor_check,
16605 expr_check): Delete.
16606 * varray.c (varray_check_failed): New function.
16607 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16608 _fatal_insn and _fatal_insn_not_found. Go through
16610 (trim_filename, fancy_abort): Delete.
16612 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16613 * except.c (start_catch_handler): Report ICE with error/abort
16615 * final.c (output_operand_lossage): Likewise.
16616 * flow.c (verify_flow_info): Likewise.
16618 * gcc.c: Prototype fatal.
16619 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16620 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16621 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16622 Don't define fancy_abort.
16624 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16626 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16629 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16631 * m88k.h (VERSION_INFO2): Kill.
16632 (VERSION_STRING): Kill.
16634 (VERSION_INFO1): Tidy.
16635 (TARGET_VERSION): Update.
16636 * m88k/dgux.h (VERSION_INFO2): Kill.
16637 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16638 * m88k/luna.h (VERSION_INFO1): Tidy.
16639 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16640 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16641 (output_file_start): Adjust for death of VERSION_STRING.
16643 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16645 * cpplib.c (detect_if_not_defined): New function.
16646 (do_if): Use it to detect potential once-only headers.
16648 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16650 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16652 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16654 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16655 anywere in the function only if they are pseudos and set before
16656 being used (not live at the start of the function).
16657 (num_sign_bit_copies) : Same.
16658 (get_last_value_validate) : Same.
16659 (get_last_value) : Same.
16661 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16663 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16664 where N and M are constant and N is an integer multiple of M.
16666 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16668 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16669 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16670 sbitmap_union_of_preds): Add prototypes.
16671 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16672 the intersection of successors with the new flow graph structures.
16673 (sbitmap_intersection_of_preds): New function to compute the
16674 intersection of predecessors with the new flow graph structures.
16675 (sbitmap_union_of_succs): New function to compute the union of
16676 successors with the new flow graph structures.
16677 (sbitmap_union_of_preds): New function to compute the union of
16678 predecessors with the new flow graph structures.
16679 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16680 (expr_reaches_here_p): Use edge and basic_block structures instead
16681 of s_preds and s_succs.
16682 (compute_cprop_avinout): Use new sbitmap routines.
16683 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16684 of s_preds and s_succs.
16685 * flow.c (compute_flow_dominators): Compute dominators using
16686 edges and basic blocks instead of s_preds and s_succs.
16688 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16690 * lists.c (unused_insn_list, unused_expr_list): New file for
16691 maintaining various types of lists. New statics for maintaining a
16692 cache of available INSN_LIST and EXPR_LIST nodes.
16693 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16694 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16695 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16696 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16697 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16698 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16699 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16700 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16701 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16702 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16703 (remove_dependence, free_pending_lists): Use new global routines.
16704 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16705 (sched_analyze, compute_block_backward_dependences): Use new routines.
16706 (sched_analyze_1, sched_analyze_2): Use new routines.
16707 (schedule_insns): Use new global routines.
16708 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16710 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16711 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16713 * toplev.c (rest_of_compilation): Initialize node cache.
16714 * Makefile.in (OBJS): Add lists.o to list of object files.
16715 (lists.o): Add dependancies.
16717 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16719 * config/v850/v850.md: Fix compile time warning messages.
16720 * config/v850/v850.c: Fix compile time warning messages.
16721 * config/v850/v850.h: Fix compile time warning messages.
16723 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16725 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16726 Remove unused prototype for `init_lengths'.
16728 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16730 * calls.c (emit_call_1): Mark parameter `stack_size' with
16732 (expand_call): Initialize variable `insn'.
16733 (emit_library_call): Likewise for variable `high_to_save'.
16734 (emit_library_call_value): Likewise.
16735 (store_one_arg): Likewise for variables `lower_bound' and
16738 * combine.c (try_combine): Likewise for variables `i2_code_number'
16739 and `other_code_number'.
16740 (find_split_point): Likewise for variables `pos', `unsignedp' and
16742 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16743 (simplify_and_const_int): Remove unused variable `width'.
16744 (merge_outer_ops): Likewise.
16746 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16747 HOST_WIDE_INT' when comparing against one.
16748 (simplify_relational_operation): Likewise.
16749 (cse_insn): Initialize variables `src_eqv_volatile',
16750 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16752 * final.c (init_final): Constify parameter `filename'.
16753 (final_start_function): Mark parameter `optimize' with
16755 (profile_function): Likewise for parameters `first' and `optimize'.
16756 (output_source_line): Likewise for parameter `file'.
16758 * integrate.c (subst_constants): Cast a value to `size_t' when
16759 comparing against one.
16760 (mark_stores): Initialize variable `mode'. Cast a value to
16761 `size_t' when comparing against one.
16763 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16765 * loop.c (move_movables): Initialize variable `first'.
16766 (strength_reduce): Likewise for variable `increment'.
16767 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16768 value to `size_t' when comparing against one.
16769 (load_mems): Initialize variable `end_label'.
16771 * output.h (init_final): Constify parameter.
16773 * reload.c (decompose): Initialize variable `base'.
16775 * reload1.c (reload): Likewise for variable `is_scalar'.
16776 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16777 (choose_reload_regs): Initialize variable `mode'.
16778 (emit_reload_insns): Likewise for variable `store_insn'.
16779 (reload_cse_noop_set_p): Mark parameter `insn' with
16781 (reload_combine): Initialize variable `set'.
16783 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16784 (copy_loop_body): Cast a value to `size_t' when comparing against
16787 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16788 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16789 (remove_from_pending_weak_list): Mark parameter `name' with
16792 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16794 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16797 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16799 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16800 (ASM_DECLARE_FUNCTION_NAME): Define.
16801 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16802 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16803 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16804 not already defined.
16806 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16808 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16809 of n_popped when call/call_value are not defined.
16811 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16813 * tm.texi: GNU CC -> GCC conversion.
16814 (CC1_SPEC): Indicate it is used for all language front ends.
16816 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16818 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16819 NOTE_INSN_EH_REGION_END correctly.
16821 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16822 Jeff Law <law@cygnus.com>
16824 * loop.c (strength_reduce): Automatically unroll loops if the
16825 unrolled loop size is smaller than the rolled loop size.
16827 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16828 and delete comment that code should be rewritten.
16830 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16832 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16835 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16837 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16839 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16840 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16841 (LINK_SPEC): Add -u _main when building executables.
16842 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16843 (ASM_FILE_END): Use the default for ix86-pe.
16844 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16846 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16848 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16849 and ASM_CLOSE_PAREN are empty strings.
16851 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16852 Geoffrey Keating <geoffk@cygnus.com>
16854 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16855 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16856 (unprotoize.o): Ditto.
16857 (test-protoize-simple): Don't define STD_PROTO_DIR.
16858 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16859 changes to make 'test-protoize-simple' pass.
16860 (STD_PROTO_DIR): Remove define.
16861 (STANDARD_EXEC_PREFIX): Supply default define.
16862 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16863 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16864 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16865 (GET_ENV_PATH_LIST): New macro.
16866 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16867 (do_processing): Initialize default_syscalls_dir using new
16868 macros. Use it to initialize syscalls_absolute_filename.
16870 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16872 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16873 B into a register before emit_conditional_move.
16875 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16877 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16878 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16879 multiplicand out of (+ (* a b) (* c d)).
16881 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16882 Richard Henderson <rth@cygnus.com>
16884 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16885 (new_insn_dead_notes): Likewise.
16886 (update_n_sets): Likewise.
16887 (update_flow_info): Move to flow.c, renamed to update_life_info;
16888 extend to handle multiple source insns.
16889 * flow.c: Include resource.h
16890 (unlink_insn_chain): New.
16891 (split_hard_reg_notes): New.
16892 (maybe_add_dead_note): New.
16893 (maybe_add_dead_note_use): New.
16894 (find_insn_with_note): New.
16895 (new_insn_dead_notes): New.
16896 (update_n_sets): New.
16897 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16898 (maybe_remove_dead_notes): New.
16899 (update_life_info): New.
16900 (prepend_reg_notes): New.
16901 (replace_insns): New.
16902 * output.h (update_life_info): Declare.
16903 * recog.c (split_block_insns): Use update_life_info.
16904 * resource.c (find_free_register): Use reg_alloc_order, don't use
16905 fixed regs, make sure the mode is supported, don't use new regs.
16907 * rtl.h (replace_insns): Declare.
16909 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16911 * expr.c (expand_expr): Cope with COND_EXPRs with one
16912 non-returning branch.
16914 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16916 * expr.c (store_expr): Always pass down the target, even when not
16919 1999-08-24 Nick Clifton <nickc@cygnus.com>
16921 * configure.in: Define target_cpu_default for v850 targets.
16922 * configure: Regenerate
16924 * config/v850/v850.h (TARGET_CPU_generic): Define.
16925 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16926 addresses are 4 byte aligned.
16928 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16931 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16933 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16934 (main): Add prototypes.
16936 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16937 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16938 (write_attr_get): Emit prototypes along with function definition.
16939 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16940 (write_complex_function): Emit static prototype along with
16941 function definition.
16943 * genemit.c (gen_split): Emit prototypes along with function
16946 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16947 Likewise for predicates and `insn_operand_predicate'.
16948 (process_template): Emit static prototype along with function
16951 * genrecog.c (make_insn_sequence): Constify a char*. Add
16952 prototypes for get_split_*().
16953 (write_subroutine): Emit prototypes along with function
16956 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16958 * gcse.c (find_avail_set): Follow chains of register-register copies.
16959 Use oprs_not_set_p to guarantee that the returned value can be
16961 (cprop_insn): Don't verify the return value of find_avail_set with
16964 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16965 (cprop_cc0_jump): New function.
16966 (cprop_insn): Break out new function cprop_jump and use it.
16967 Also use cprop_cc0_jump for machines with CC0.
16968 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16970 * tree.h (current_function_calls_setjmp,
16971 current_function_calls_longjmp): Delete declarations.
16972 * dsp16xx.c: Include "function.h".
16973 * elxsi.c: Likewise.
16974 * gmicro.c: Likewise.
16975 * h8300.c: Likewise.
16976 * i370.c: Likewise.
16977 * m32r.c: Likewise.
16978 * mn10200.c: Likewise.
16979 * mn10300.c: Likewise.
16980 * ns32k.c: Likewise.
16981 * spur.c: Likewise.
16982 * v850.c: Likewise.
16984 * rtl.h (rtx_equal_function_value_matters): Declare.
16985 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16987 * function.c: Likewise.
16988 * emit-rtl.c: Likewise.
16990 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16992 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16995 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16997 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
17000 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
17002 * cpp.texi: Add a node documenting macro varargs (copied
17005 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
17007 * cppspec.c: Put a null pointer at the end of the new argv.
17009 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
17011 * configure.in: Remove code to select/de-select the haifa
17012 scheduler. Every scheduled port gets haifa now.
17013 * configure: Rebuilt.
17014 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
17016 * Makefile.in: Corresponding changes.
17018 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17020 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
17021 All callers changed.
17022 (prepare_float_lib_cmp): Likewise.
17023 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
17024 * expr.h (emit_float_lib_cmp): Delete declaration.
17025 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
17026 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
17027 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
17029 (cmptf): Now conditional on TARGET_HARD_QUAD.
17031 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
17033 * resource.c (mark_target_live_regs): Use
17034 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
17036 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17038 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
17040 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
17042 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
17044 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17046 * rtl.h (rtx_format): Constify a char*.
17048 * rtl.c (rtx_format): Likewise.
17049 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
17050 (init_rtl): Use accessor macro, not `rtx_format'.
17052 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
17055 * caller-save.c (mark_referenced_regs): Likewise.
17057 * combine.c (subst, make_compound_operation, known_cond,
17058 gen_rtx_combine, update_table_tick, get_last_value_validate,
17059 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
17061 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
17062 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
17063 count_reg_usage): Likewise.
17065 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
17068 * final.c (leaf_renumber_regs_insn): Likewise.
17070 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
17071 dump_edge_info, count_reg_references): Likewise.
17073 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
17074 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
17077 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
17078 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
17079 add_label_notes): Likewise.
17081 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
17082 clear_struct_flag, count_sub_rtxs, count_alternatives,
17083 compares_alternatives_p, contained_in_p, walk_attr_value,
17084 write_expr_attr_cache): Likewise.
17086 * genconfig.c (walk_insn_part): Likewise.
17088 * genemit.c (max_operand_1, gen_exp): Likewise.
17090 * genextract.c (walk_rtx): Likewise.
17092 * genflags.c (num_operands): Likewise.
17094 * genoutput.c (scan_operands): Likewise.
17096 * genpeep.c (match_rtx): Likewise.
17098 * genrecog.c (add_to_sequence): Likewise.
17100 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
17103 * integrate.c (save_constants, copy_for_inline,
17104 copy_rtx_and_substitute, subst_constants, restore_constants):
17107 * jump.c (mark_jump_label, invert_exp, redirect_exp,
17108 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
17110 * local-alloc.c (contains_replace_regs, memref_referenced_p):
17113 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
17114 add_label_notes, replace_call_address, count_nonfixed_reads,
17115 invariant_p, find_single_use_in_loop, find_mem_givs,
17116 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
17119 * print-rtl.c (reg_names, print_rtx): Likewise.
17121 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
17123 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
17124 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
17125 print_blocks): Likewise.
17127 * regclass.c (fix_register, record_address_regs,
17128 reg_scan_mark_refs): Likewise.
17130 * regmove.c (stable_but_for_p): Likewise.
17132 * reload.c (loc_mentioned_in_p, operands_match_p,
17133 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
17134 copy_replacements, refers_to_regno_for_reload_p,
17135 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
17136 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
17139 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
17140 delete_address_reloads_1, count_occurrences,
17141 reload_cse_mem_conflict_p, reload_combine_note_use,
17142 add_auto_inc_notes): Likewise.
17144 * resource.c (mark_referenced_resources, mark_set_resources):
17147 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
17148 reg_mentioned_p, regs_set_between_p, modified_between_p,
17149 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
17150 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
17151 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
17152 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
17154 * sched.c (sched_analyze_2, attach_deaths): Likewise.
17156 * stupid.c (stupid_mark_refs): Likewise.
17158 * unroll.c (remap_split_bivs): Likewise.
17160 * varasm.c (mark_constants): Likewise.
17162 * a29k/a29k.c (uses_local_reg_p): Likewise.
17164 * alpha/alpha.c (summarize_insn): Likewise.
17166 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
17167 eliminate_lr2ip): Likewise.
17169 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
17171 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
17172 reg_mentioned_in_mem): Likewise.
17174 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
17175 symbolic_reference_mentioned_p): Likewise.
17177 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
17179 * sh/sh.c (regs_used, mark_use): Likewise.
17181 * vax/vax.c (vax_rtx_cost): Likewise.
17183 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17185 * machmode.h (mode_name): Constify a char*.
17187 * rtl.c (mode_name): Likewise.
17189 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
17191 * optabs.c (init_libfuncs): Constify a char*.
17193 * print-tree.c (mode_name): Remove redundant declaration.
17194 (print_node): Use accessor macro, not `mode_name'.
17196 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
17198 (new_spill_reg): Constify a char*.
17200 * tree.c (mode_name): Remove redundant declaration.
17202 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17204 * rtl.c (rtx_name): Constify a char*.
17206 * rtl.h (rtx_name, fix_sched_param): Likewise.
17208 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
17209 (mypr): Use accessor macro, not `rtx_name'.
17211 * genemit.c (print_code): Constify a char*.
17213 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
17215 * genpeep.c (print_code): Constify a char*.
17217 * genrecog.c (print_code): Likewise.
17219 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
17220 end_bb): Add static prototype.
17221 (draw_edge): Constify a char*.
17222 (end_bb): Remove unused parameter.
17224 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
17225 print_block_visualization): Constify a char*.
17227 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
17229 * c-common.c (c_get_alias_set): Update comment.
17231 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17233 * linux.h (LIB_SPEC): Added.
17235 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17237 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
17239 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
17241 * tree.c (expr_check): Fix typo in last change.
17243 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
17245 * rtl.def (NOTE): Change format to "iuu0n".
17246 (ADDR_DIFF_VEC): Change format to "eEee0".
17247 (ADDRESSOF): Change format to "eit".
17249 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
17250 (RTVEC_ELT): Change to match.
17251 (XVECEXP): Use XVEC and RTVEC_ELT.
17252 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
17253 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
17254 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
17255 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
17256 TRAP_CONDITION, TRAP_CODE): Use XEXP.
17257 (INTVAL): Use XWINT.
17258 (ADDRESSOF_DECL): Use XTREE.
17259 (SET_ADDRESSOF_DECL): Delete.
17260 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
17261 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
17262 ifdefed out since 2.6 at least.
17263 (gen_rtvec_vv): Delete prototype.
17265 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
17267 (copy_most_rtx): Handle 't' format letter.
17268 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
17269 (gen_rtvec_vv): Delete function. All callers changed to use
17270 gen_rtvec_v instead.
17271 * print-rtl.c (print_rtx): Move special casing of NOTEs to
17272 the '0' format letter.
17274 * function.c (gen_mem_addressof): Don't use
17275 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
17277 * integrate.c (copy_rtx_and_substitute): Likewise.
17278 Copy 't' slots with XTREE.
17279 (subst_constants): Treat 't' slots like '[swi]' slots.
17280 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
17281 * jump.c (rtx_equal_for_thread_p): Likewise.
17282 * rtlanal.c (rtx_equal_p): Likewise.
17283 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
17284 only four arguments.
17285 * gengenrtl.c (type_from_format): Provide correct types for
17289 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
17290 If a recent gcc is in use (always in stage2 and beyond), use
17291 statement expressions, so we don't make a function call unless
17292 the check fails. Evaluate arguments exactly once.
17293 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
17294 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
17296 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
17297 they evaluate their arguments exactly once, irrespective of
17298 the compiler in use.
17300 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
17301 is used by the currently-enabled check macros. This is:
17302 (tree_check_failed, tree_class_check_failed): For gcc.
17303 (tree_check, tree_class_check, cst_or_constructor_check,
17304 expr_check): For other compilers.
17306 * gencheck.c: Do not define any *_CHECK1 macros.
17308 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17309 Mark Mitchell <mark@codesourcery.com>
17311 * c-common.c (c_get_alias_set): Fix support for poitners and
17314 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17316 * alias.c: Include tree.h.
17317 (nonlocal_reference_p, mark_constant_function): New functions.
17318 * flow.c (life_analysis): Call mark_constant_function.
17319 * rtl.h (mark_constant_function): Declare it.
17321 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17323 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17324 unrecognisable switches.
17326 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17328 * loop.c (recombine_givs): Set ix field after sorting.
17329 (recombine_givs): Remove bogus index / giv lockstep looping.
17331 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17333 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17335 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17336 (do_cmp_and_jump): Formatting fixes.
17337 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17338 do_compare_rtx_and_jump instead of compare_from_rtx.
17339 (do_compare_rtx_and_jump): New function; mostly copied from
17341 (do_jump_for_compare): Delete.
17342 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17344 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17345 of compare/do_jump_for_compare pairs.
17346 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17347 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17348 compare_from_rtx/do_jump_for_compare pairs.
17349 (do_jump_by_parts_equality): Likewise.
17350 (do_jump_by_parts_equality_rtx): Likewise.
17351 * expr.h (do_compare_rtx_and_jump): Declare.
17352 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17353 that used to be in emit_cmp_insn.
17354 (cmp_available_p): New function.
17355 (prepare_operand): New function.
17356 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17357 to be in emit_cmp_insn.
17358 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17359 parameters to be pointers; don't emit final compare but modify some of
17360 the values pointed to by the args so the caller can perform the
17361 correct comparison.
17362 (expand_binop): Call emit_store_flag_force with signed forms of
17364 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17365 emit_jump_insn pair.
17366 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17367 emit_cmp_and_jump_insn_1. Call emit_queue.
17368 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17370 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17371 jump sets cc0 before deleting it.
17372 * integrate.c (expand_inline_function): Likewise.
17373 * unroll.c (unroll_loop): Similar changes in several places.
17374 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17375 before deleting it.
17377 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17379 * Makefile.in (insn-recog.o): Update dependencies.
17380 * genrecog.c (main): Make generated file include "function.h".
17382 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17384 * cse.c (cse_insn): Call never_reached_warning when a jump is
17385 changed to be unconditional.
17386 * flags.h: Declare warn_notreached.
17387 * flow.c (delete_block): Call never_reached_warning when
17388 a block is deleted.
17389 * jump.c (delete_barrier_successors): Call never_reached_warning
17390 when we delete everything after a BARRIER.
17391 (never_reached_warning): New function.
17392 * rtl.h: Declare never_reached_warning.
17393 * toplev.c (warn_notreached): New variable.
17394 (lang_independent_options): Set warn_notreached
17395 when -Wunreachable-code.
17396 (compile_file): We need line numbers for -Wunreachable-code.
17398 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17400 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17401 * sched.c (insn_unit): Likewise.
17403 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17405 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17407 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17409 * flow.c (create_edge_list): Use xmalloc, not malloc.
17411 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17413 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17414 C-style comments. Do not lose the character before double slash.
17416 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17418 * basic-block.h (struct edge_list): Stucture to maintain a vector
17420 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17421 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17422 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17423 New function prototypes.
17424 * flow.c (create_edge_list): Function to create an edge list.
17425 (free_edge_list): Discards memory used by an edge list.
17426 (print_edge_list): Debug output showing an edge list.
17427 (verify_edge_list): Internal consistency check for an edge list.
17428 (find_edge_index): Function to find an edge index for a pred and succ.
17430 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17432 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17435 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17437 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17439 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17441 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17443 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17445 * toplev.c (rest_of_compilation): Allow machine dependent
17446 reorganisation pass to place information into the RTL dump
17447 file if it so wishes.
17449 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17451 * explow.c (hard_function_value): Use VOIDmode instead of
17453 * stmt.c (expand_return): Likewise.
17454 * stor-layout.c (get_best_mode): Likewise.
17456 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17457 emit call instead of emit_insn call.
17459 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17461 * configure.in: Handle --disable/enable-win32-registry.
17462 * install.texi: Document --disable/enable-win32-registry.
17463 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17464 (WIN32_REGISTRY_KEY): New macro.
17465 * prefix.c: Use to enable/disable win32-specific code.
17466 (lookup_key): Use versioned key.
17467 * configure: Regenerate.
17468 * config.in: Likewise.
17470 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17472 * cpplib.c (read_line_number): New fn, split out of...
17475 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17477 tree.c (lang_unsave_expr_now) : New.
17478 (unsave_expr_now): Call lang_unsave_expr_now.
17479 tree.h (lang_unsave_expr_now) : New.
17481 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17483 * toplev.c (flag_new_exceptions): On by default.
17485 1999-08-13 Michael Meissner <meissner@cygnus.com>
17487 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17489 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17491 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17492 INTEGER_TYPE with precision==1, it's __java_boolean.
17494 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17496 * global.c (prune_preferences): Move some invariants out of the
17499 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17501 * configure.in (alpha*-dec-osf*): Add osf5.
17503 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17505 * configure.in: Rework handling of ARM GNU/Linux slightly.
17506 (arm*-*-linux-gnuoldld): New target.
17507 * configure: Regenerate.
17508 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17509 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17510 * config/arm/linux-oldld.h: New file.
17511 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17512 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17514 * config/arm/linux-elf.h (ASM_SPEC): Define.
17515 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17516 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17517 for 26-bit APCS and old linker.
17518 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17520 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17521 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17522 don't define `arm' or `arm_elf'.
17523 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17524 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17526 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17528 * rtl.texi: Fix typo.
17530 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17532 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17534 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17536 * extend.texi (C++ Signatures): Remove node.
17537 * invoke.texi: Remove discussion of -fhandle-signatures,
17538 signature, sigof, __signature__, and __sigof__.
17540 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17542 * Makefile.in (JAVAGC): Removed.
17544 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17546 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17548 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17550 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17552 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17554 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17555 a register that is already known to be a pointer.
17557 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17559 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17560 * fixinc/inclhack.sh: Regenerated.
17561 * fixinc/fixincl.sh: Regenerated.
17563 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17565 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17566 Fix documentation of -ansi flag to describe its C++ behavior.
17567 Remove bogus reference to GCC 2.9.
17569 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17571 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17572 note if it is non-NULL.
17574 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17576 * except.h (eh_nesting_info): Add new structure defintion.
17577 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17578 (reachable_handlers, update_rethrow_references): Add function
17580 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17581 a rethrow symbol instead of an integer exception region number.
17582 * flow.c (Make_edges): Use new exception nesting routines to determine
17583 which handlers are reachable from a CALL or asynchronous insn.
17584 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17586 (delete_eh_regions): Update rethrow labels, and don't delete
17587 regions which are the target of a rethrow.
17588 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17589 avoid overloading the SYMBOL_REF_USED flag.
17590 (rethrow_symbol_map): Use new rethrow_ref field.
17591 (rethrow_used): Use new rethrow_ref field.
17592 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17593 of an integer. Fix formatting.
17594 (output_exception_table_entry): Use new rethrow_ref field.
17595 (can_throw): Check for EH_REGION_NOTE before deciding
17596 whether a CALL can throw or not.
17597 (scan_region): Call rethrow_used() instead of accessing data structure.
17598 (update_rethrow_references): New function to make sure only regions
17599 which are still targets of a rethrow are flagged as such.
17600 (process_nestinfo): New static function to initialize a handler
17601 list for a specific region.
17602 (init_eh_nesting_info): New function to allocate and initialize
17603 the list of all EH handlers reachable from all regions.
17604 (reachable_handlers): New function to retrieve the list of handlers
17605 reachable from a specific region and insn.
17606 (free_eh_nesting_info): New function to dispose of a list of
17607 reachable handlers.
17609 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17611 * flow.c (split_edge): Set JUMP_LABEL field.
17612 (commit_one_edge_insertion): Set head correctly for insert_before.
17613 When inserting insns, update insn block numbers if allocated.
17615 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17617 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17618 retry_incomplete_types): Add static prototype.
17619 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17620 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17621 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17622 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17623 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17626 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17627 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17629 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17631 * output.h (assemble_name): Constify a char*.
17633 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17634 assemble_variable, assemble_name): Likewise.
17636 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17638 * arm/pe.c (arm_pe_unique_section): Likewise.
17640 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17642 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17644 * i386/interix.c (i386_pe_unique_section): Likewise.
17646 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17648 * i386/winnt.c (i386_pe_unique_section): Likewise.
17650 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17652 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17654 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17656 * pa/pa.c (output_call): Likewise.
17658 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17660 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17662 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17665 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17668 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17670 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17671 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17673 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17675 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17677 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17679 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17681 * tree.h (lang_identify): Constify a char*.
17682 (print_error_function): Add extern prototype. Constify a char*.
17684 * c-lang.c (lang_identify): Constify a char*.
17686 * objc/objc-act.c (lang_identify): Constify a char*.
17688 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17690 * genpeep.c (main): Make generated file include "function.h".
17691 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17693 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17695 * Makefile.in: Update dependencies.
17696 * alias.c: Include "function.h"
17697 * c-decl.c: Likewise.
17698 * caller-save.c: Likewise.
17699 * calls.c: Likewise.
17700 * combine.c: Likewise.
17702 * explow.c: Likewise.
17703 * final.c: Likewise.
17704 * global.c: Likewise.
17705 * graph.c: Likewise.
17706 * local-alloc.c: Likewise.
17707 * loop.c: Likewise.
17708 * optabs.c: Likewise.
17709 * profile.c: Likewise.
17710 * recog.c: Likewise.
17711 * regclass.c: Likewise.
17712 * regmove.c: Likewise.
17713 * reload.c: Likewise.
17714 * reorg.c: Likewise.
17715 * resource.c: Likewise.
17716 * sched.c: Likewise.
17717 * stupid.c: Likewise.
17718 * config/1750a/1750a.c: Likewise.
17719 * config/a29k/a29k.c: Likewise.
17720 * config/arc/arc.c: Likewise.
17721 * config/arm/arm.c: Likewise.
17722 * config/arm/thumb.c: Likewise.
17723 * config/c4x/c4x.c: Likewise.
17724 * config/clipper/clipper.c: Likewise.
17725 * config/convex/convex.c: Likewise.
17726 * config/fx80/fx80.c: Likewise.
17727 * config/i860/i860.c: Likewise.
17728 * config/m68k/m68k.c: Likewise.
17729 * config/m88k/m88k.c: Likewise.
17730 * config/mips/mips.c: Likewise.
17731 * config/pdp11/pdp11.c: Likewise.
17732 * config/pyr/pyr.c: Likewise.
17733 * config/romp/romp.c: Likewise.
17734 * config/sh/sh.c: Likewise.
17735 * config/tahoe/tahoe.c: Likewise.
17736 * config/vax/vax.c: Likewise.
17737 * config/we32k/we32k.c: Likewise.
17738 * config/sparc/sparc.c: Include "function.h".
17739 (mem_min_alignment): Test current_function rather than
17740 regno_pointer_align.
17741 * config/pa/pa.c: Likewise.
17742 (compute_frame_size): Delete declaration of
17743 current_function_outgoing_args_size.
17744 * config/arc/arc.h (current_function_varargs): Delete declaration.
17745 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17747 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17749 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17750 current_function_uses_pic_offset_table.
17751 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17752 of current_function_returns_pointer.
17753 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17754 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17755 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17756 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17757 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17758 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17759 * config/m88k/m88k.c: Include "function.h"
17760 (call_used_regs, current_function_pretend_args_size,
17761 current_function_outgoing_args_size, frame_pointer_needed): Delete
17763 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17765 * config/mips/mips.h (current_function_calls_alloca): Delete
17767 * config/mn10200/mn10200.h (current_function_needs_context,
17768 rtx_equal_function_value_matters): Delete declarations.
17769 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17770 flag_pic): Delete declarations.
17771 * config/pa/pa.h (current_function_pretend_args_size,
17772 current_function_decl): Delete declarations.
17773 * config/pa/som.h (current_function_varargs): Delete declaration.
17774 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17776 * config/pyr/pyr.h (current_function_pretend_args_size,
17777 current_function_args_size, current_function_calls_alloca): Delete
17779 * config/sh/sh.h (current_function_varargs): Delete declaration.
17780 * config/sparc/sparc.h (current_function_outgoing_args_size,
17781 current_function_calls_alloca, current_function_decl): Delete
17783 * config/spur/spur.h (current_function_pretend_args_size,
17784 current_function_calls_alloca): Delete declarations.
17785 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17787 * config/vax/vms.h (current_function_name): Delete declaration.
17788 * gcse.c: Include "function.h".
17789 (current_function_name, current_function_calls_setjmp): Delete
17791 * haifa-sched.c: Include "function.h".
17792 (forced_labels): Delete declaration.
17793 * jump.c: Likewise.
17794 * reg-stack.c: Likewise.
17795 * reload1.c: Likewise.
17796 * genemit.c (main): Make generated file include function.h.
17797 * genoutput.c (output_prologue): Likewise.
17799 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17800 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17801 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17802 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17803 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17804 macros for some of them.
17805 (emit_filename, emit_lineno): Delete declarations.
17806 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17807 regno_pointer_* variables through current_function.
17808 (gen_inline_header_rtx): Delete function.
17809 (save_emit_status): Delete function.
17810 (set_new_last_label_num): New function.
17811 (clear_emit_caches): New function.
17812 (restore_emit_status): Just clear last_labelnum and call
17814 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17815 through macro seq_stack.
17816 (add_insn_after): Likewise.
17817 (add_insn_before): Likewise.
17818 (remove_insn): Likewise.
17819 (pop_topmost_sequence): Likewise.
17820 (in_sequence_p): Likewise.
17821 (start_sequence_for_rtl_expr): Likewise.
17822 (start_sequence): Likewise, and likewise for
17823 sequence_rtl_expr/seq_rtl_expr.
17824 (push_topmost_sequence): Likewise.
17825 (end_sequence): Likewise.
17826 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17827 All callers changed. Store into that pointer instead of globals.
17828 (init_emit): Allocate emit elt of current_function.
17829 Changes for sequence_rtl_expr/sequence_stack renaming.
17830 Call clear_emit_caches instead of doing it in-line.
17831 Access regno_pointer_* variables through current_function.
17832 (init_emit_once) Don't clear sequence_stack.
17834 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17836 (arg_pointer_save_area): Delete declaration.
17837 (finish_expr_for_function): Renamed from init_queue; no longer static.
17838 (init_expr): Don't call init_queue.
17839 (save_expr_status, restore_expr_status): Delete functions.
17840 (expand_expr): Changes to reflect new layout of struct function.
17841 Don't access current_function_check_memory_usage when current_function
17843 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17844 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17845 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17846 current_function_uses_const_pool, function_call_count,
17847 current_function_uses_pic_offset_table, nonlocal_labels,
17848 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17849 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17850 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17852 (finish_expr_for_function): Declare.
17853 * flags.h (current_function_has_nonlocal_label,
17854 current_function_has_nonlocal_goto, current_function_is_thunk,
17855 current_function_has_computed_jump): Delete declarations.
17856 * flow.c (forced_labels): Delete declaration.
17857 * function.c (current_function_pops_args,
17858 current_function_returns_struct, current_function_returns_pcc_struct,
17859 current_function_needs_context, current_function_calls_setjmp,
17860 current_function_calls_longjmp, current_function_has_nonlocal_label,
17861 current_function_has_nonlocal_goto, current_function_is_thunk,
17862 current_function_has_computed_jump, current_function_calls_alloca,
17863 current_function_contains_functions, current_function_returns_pointer,
17864 current_function_epilogue_delay_list, current_function_args_size,
17865 current_function_pretend_args_size, current_function_arg_offset_rtx,
17866 current_function_outgoing_args_size, current_function_varargs,
17867 current_function_stdarg, current_function_args_info, cleanup_label,
17868 current_function_name, current_function_uses_const_pool,
17869 current_function_instrument_entry_exit, current_function_return_rtx,
17870 current_function_uses_pic_offset_table, nonlocal_labels,
17871 current_function_internal_arg_pointer, current_function_cannot_inline,
17872 current_function_check_memory_usage, function_call_count,
17873 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17874 nonlocal_goto_stack_level, return_label, save_expr_regs,
17875 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17876 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17877 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17878 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17879 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17881 (push_function_context_to): Don't save them. Don't call
17882 save_storage_status, save_emit_status or save_expr_status.
17883 (pop_function_context_from): Don't restore them. Don't call
17884 restore_storage_status or restore_expr_status.
17885 (get_func_frame_size): New function.
17886 (get_frame_size): Use it.
17887 (assign_outer_stack_local): Reflect some member name changes in struct
17889 (put_reg_into_stack): Likewise.
17890 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17892 (fixup_var_refs): Likewise.
17893 (fix_lexical_addr): Likewise.
17894 (trampoline_address): Likewise.
17895 (prepare_function_start): Clear field inlinable of current_function.
17896 (init_function_for_compilation): New function.
17897 (expand_dummy_function_end): New function.
17898 (expand_function_end): Call finish_expr_for_function.
17899 * function.h (struct emit_status): New; fields moved here from struct
17900 function and from global variables. Add accessor macros for some of
17902 (struct expr_status): Likewise.
17903 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17904 (struct function): Add fields expr and emit, inlinable, inl_emit,
17905 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17906 inl_max_label_num. Add many comments.
17907 Add accessor macros for all elts of struct function that no longer
17908 have a global variable.
17909 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17910 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17911 stack_slot_list): Delete declarations.
17912 (get_func_frame_size): Declare.
17913 (save_expr_status, restore_expr_status, save_emit_status,
17914 save_storage_status, restore_storage_status): Delete declarations.
17915 (init_virtual_regs): Declare.
17916 * output.h (current_function_pops_args,
17917 current_function_returns_struct, current_function_returns_pcc_struct,
17918 current_function_needs_context, current_function_calls_setjmp,
17919 current_function_calls_longjmp, current_function_calls_alloca,
17920 current_function_has_nonlocal_label, current_function_varargs,
17921 current_function_has_computed_jump, current_function_returns_pointer,
17922 current_function_contains_functions, current_function_args_size,
17923 current_function_pretend_args_size, current_function_stdarg,
17924 current_function_outgoing_args_size, current_function_args_info,
17925 current_function_name, current_function_return_rtx,
17926 current_function_epilogue_delay_list,
17927 current_function_uses_const_pool, current_function_cannot_inline):
17928 Delete declarations.
17929 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17930 regno_reg_rtx): Delete declaration.
17931 (REGNO_POINTER_FLAG): Delete macro.
17932 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17933 function were renamed.
17934 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17936 * toplev.c: Include "function.h".
17937 (current_function_decl): Delete declaration.
17938 (compile_file): Call init_dummy_function_start and
17939 expand_dummy_function_end around some initializations that need to
17941 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17942 Call init_function_for_compilation.
17943 * unroll.c: Include "function.h"
17944 (unroll_loop): Access regno_pointer_* variables through
17947 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17948 (DECL_SAVED_INSNS): use it.
17949 (expand_dummy_function_end): Declare.
17950 (init_function_for_compilation): Declare.
17951 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17952 that it's no longer an INLINE_HEADER.
17953 (expand_call): Likewise.
17954 * integrate.c (finish_inline): Delete function.
17955 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17956 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17957 args. Don't generate an INLINE_HEADER rtx, just return the arg
17958 vector. All callers changed.
17959 (save_for_inline_copying): Create a duplicate struct emit_status to
17960 hold the emit state for compiling the current function. Use this and
17961 the other new fields in struct function that are for integration
17962 instead of an INLINE_HEADER.
17963 Use memcpy instead of bcopy.
17964 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17965 (save_for_inline_nocopy): Similar changes, except no new emit_status
17967 (expand_inline_function): Get information from function structure,
17968 not from an inline header rtx.
17969 (output_inline_function): Lose code to extract the necessary
17970 information from an inline header; simply put back the function
17971 structure into current_function. Clear its inlinable elt.
17972 * rtl.def (INLINE_HEADER): Delete.
17973 * rtl.h: Delete all accessors for an INLINE_HEADER.
17974 (gen_inline_header_rtx): Delete declaration.
17975 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17976 Delete declarations.
17977 (REGNO_POINTER_ALIGN): Delete.
17978 (clear_emit_caches): Declare.
17979 (set_new_last_label_num): Declare.
17981 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17983 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17985 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17986 * stmt.c (is_eh_region): Make sure current_function is present, too.
17988 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17990 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17991 for 64bit PA targets.
17993 * pa.h (SELECT_SECTION): Define.
17994 * som.h (SELECT_SECTION): Delete.
17996 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17998 * alias.c (init_alias_analysis): Wrap call to
17999 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
18001 1999-08-07 Bruce Korb <autogen@linuxbox.com>
18003 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
18004 <sys/asm.h> contains an asm comment with an apostrophe
18005 * fixinc/inclhack.sh: regen
18006 * fixinc/fixincl.x: regen
18008 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
18010 * function.c (init_function_start): Clear prologue & epilogue.
18011 (prologue_epilogue_contains): New function.
18012 * alias.c (init_alias_analysis): Use it.
18013 * rtl.h (prologue_epilogue_contains): Declare it.
18015 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
18017 * jump.c (onlyjump_p): New function.
18018 * rtl.h: Declare it.
18019 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
18020 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
18022 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
18024 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
18025 to invert loops. Simplify block scanning.
18027 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18029 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
18030 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
18032 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
18034 * config/sparc/liteelf.h: New file to support sparclite-elf target
18035 * config/sparc/t-sp86x: New file to support sparc86x targets
18036 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
18037 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
18038 * configure.in: Support above target triplets
18039 * configure: Regenerated
18041 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
18043 * fixinc/server.c (server_setup): Do not prefix function used as
18044 parameter with `&'.
18046 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
18048 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
18049 Remove fp reg alternatives.
18051 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
18053 * Makefile.in (TAROUTOPTS): Kill.
18054 (install-headers-tar): Use "xpf" for tar headerfile extraction
18055 * i370/x-oe (TAROUTOPTS): Delete.
18056 * m68k/x-apollo68 (TAROUTOPTS): Delete.
18057 * m68k/x-hp320 (TAROUTOPTS): Delete.
18058 * m68k/x-hp320g (TAROUTOPTS): Delete.
18059 * gcc.texi: Update bug reporting text.
18061 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18063 * reg-stack.c (change_stack) Fixed problem with negative array index.
18065 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
18067 * extend.texi, install.texi: Fix spelling mistakes.
18069 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
18070 (s-attrtab); No longer try to use pre-made insn-attrtab file.
18071 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
18072 PREMADE_ATTRTAB_MD.
18073 * mips/t-ecoff: Likewise.
18074 * mips/t-elf: Likewise.
18075 * mips/t-mips: Likewise.
18076 * mips/t-osfrose: Likewise.
18077 * mips/t-r3900: Likewise.
18078 * mips/t-svr3: Likewise.
18079 * mips/t-svr4: Likewise.
18080 * mips/t-ultrix: Likewise.
18082 * gcc.texi: Document recommend means to provide software floating
18083 point libraries in libgcc.a
18085 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
18087 * c-lex.c (yylex): We can have a number with no digits.
18089 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
18091 * jump.c (delete_prior_computation): New function, broken
18092 out of delete_computation. Check for side effects with
18093 side_effects_p instead of FIND_REG_INC_NOTE. Handle
18094 multi-word hard registers.
18095 (delete_computation): Use it. Check for side effects with
18096 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
18097 missing REG_DEAD note for a register which is both set and
18100 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
18102 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
18103 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
18104 (ASM_FILE_START): Import _mcount with the right type.
18105 (ASM_DECLARE_FUNCTION_NAME): Define.
18106 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
18107 * pa.c (output_function_prologue): Always emit the function's label
18109 * pa.h (TEXT_SPACE_P): Define.
18110 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18111 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
18112 * som.h (TEXT_SPACE_P): Delete.
18113 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18114 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
18116 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
18118 * expr.c (emit_group_load): Allow src to be a CONCAT.
18120 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18122 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
18123 (___mulsi3): Use '!' comment character.
18125 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18127 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
18129 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
18131 * gcc.c: Update URLs and mail addresses.
18132 * gcc.texi: Likewise.
18134 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
18136 * rs6000.c (current_file_function_operand): Return zero for
18138 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
18140 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
18143 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
18145 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
18146 allocate space in the stack frame for the PIC register.
18148 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
18150 * m68k.md (xordi3, anddi3): These patterns are not available on
18153 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
18155 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
18156 (PUT_REAL): Likewise.
18158 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18160 * final.c (shorten_branches): Don't add an alignment for loops
18161 that have no label inside.
18163 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18165 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
18166 prototypes in macro HAVE_cmpstrsi.
18168 * cpplib.c (cpp_get_token): Remove unused label `op3'.
18170 * emit-rtl.c (operand_subword): Remove unused variable
18173 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
18175 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
18177 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
18179 * cpphash.c (macroexpand): Delete leading whitespace when arg
18180 is concatenated before.
18181 (unsafe_chars): Correct test for whether + and - can extend a
18184 * cppinit.c (cpp_start_read): Do dependencies for
18185 -include/-imacros files also.
18187 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
18188 tokenizing non-directive lines.
18189 (cpp_expand_to_buffer): Temporarily disable no-output mode.
18190 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
18193 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18195 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
18197 * c-lex.c: Sync with C++ frontend.
18198 (linemode): New variable.
18199 (parse_float): imag, conversion_errno, and type are output only.
18200 (yylex): Adjust. Move initial '.' case into main switch.
18202 (handle_generic_pragma): Just deal with tokens.
18203 (readescape): Use ISXDIGIT and ISGRAPH.
18204 * c-parse.in: Add END_OF_LINE token.
18206 * c-lex.c (lang_init): Generalize.
18207 (nextchar): Remove. Replace uses with UNGETC.
18208 (skip_white_space): Handle linemode here. Optimize for cpplib.
18209 (skip_white_space_on_line): Remove.
18210 (extend_token_buffer_to): New fn.
18211 (extend_token_buffer): Use it.
18212 (read_line_number, check_newline): Just deal with tokens.
18213 (token_getch, token_put_back): New fns.
18214 (yylex): Use them. More cpplib optimizations. Simplify.
18216 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18217 Jason Merrill <jason@yorick.cygnus.com>
18219 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
18220 (consume_string): Make this smart about USE_CPPLIB.
18221 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
18222 (yylex): Rewrite to be intelligent about USE_CPPLIB.
18223 Also, clean up cases where we redundantly set token_buffer[0].
18224 (read_line_number): New fn.
18225 (ignore_escape_flag): New variable.
18227 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
18229 * a29k/t-a29kbare: Fix some comments.
18230 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
18231 (FPBIT, DPBIT): Define.
18232 * a29k/t-vx29k: Likewise.
18233 * arc/t-arc: Likewise.
18234 * arm/t-arm-elf: Likewise.
18235 * arm/t-bare: Likewise.
18236 * arm/t-pe: Likewise.
18237 * arm/t-pe-thumb: Likewise.
18238 * arm/t-semi: Likewise.
18239 * arm/t-thumb: Likewise.
18240 * arm/t-thumb-elf: Likewise.
18241 * arm/t-thumb-linux: Likewise.
18242 * h8300/t-h8300: Likewise.
18243 * i960/t-i960: Likewise.
18244 * i960/t-vxworks960: Likewise.
18245 * m32r/t-m32r: Likewise.
18246 * mips/t-ecoff: Likewise.
18247 * mips/t-elf: Likewise.
18248 * mips/t-r3900: Likewise.
18249 * pa/t-pro: Likewise.
18250 * rs6000/t-aix43: Likewise.
18251 * rs6000/t-beos: Likewise.
18252 * rs6000/t-newas: Likewise.
18253 * rs6000/t-ppccomm: Likewise.
18254 * rs6000/t-rs6000: Likewise.
18255 * rs6000/t-winnt: Likewise.
18256 * rs6000/t-xnewas: Likewise.
18257 * rs6000/t-xrs6000: Likewise.
18258 * sh/t-sh: Likewise.
18259 * sparc/t-elf: Likewise.
18260 * sparc/t-sparcbare: Likewise.
18261 * sparc/t-sparclite: Likewise.
18262 * sparc/t-splet: Likewise.
18263 * v850/t-v850: Likewise.
18264 * mn10200/t-mn10200: Fix comments.
18265 * mn10300/t-mn10300: Likewise.
18267 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
18268 dummy operand. Allocate a new pseudo for the dummy operand.
18269 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
18271 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
18273 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
18275 * configure: Rebuilt.
18276 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
18278 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
18280 * recog.c (preproces_constraints): Zero recog_op_alt before
18281 processing the constraints.
18283 * arm.c (typedef minipool_node): Renamed from pool_node.
18284 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
18285 (add_minipool_constant): New function.
18286 (dump_minipool): New function.
18287 (find_barrier): Remove special case for getting the insn size of
18288 an insn that references the constant pool.
18289 (minipool_fixup): New structure.
18290 (push_minipool_barrier): New function.
18291 (push_minipool_fix): New function.
18292 (note_invalid_constants): New function.
18293 (add_pool_constant, dump_table, fixit, broken_move): Delete.
18294 (arm_reorg): Rewrite code to fix up the constant pool into a
18295 series of mini-pools embedded in the insn stream.
18296 (arm_output_epilogue): New function, made mainly from the body
18297 of output_func_epilogue.
18298 (output_func_epilogue): Move insn generation part of epilogue code
18299 to arm_output_epilogue.
18300 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
18301 * arm.md (pool_range): New attribute.
18302 (zero_extendqidi2): Add attribute pool_range.
18303 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18304 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18305 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18306 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18307 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18308 (epilogue): New expand.
18309 (epilogue_insn): New insn. Call arm_output_epilogue.
18311 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18312 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18314 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18316 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18318 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18320 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18322 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18324 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18326 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18328 * global.c: Fix comment.
18330 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18332 * gcc.c (access_check): New static function.
18333 (find_a_file): Use it when searching a directory list.
18334 * collect2.c (find_a_file): Don't accept directories found when
18335 searching a directory list.
18337 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18339 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18340 function parameters with `&'.
18341 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18343 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18345 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18346 or tidy_fallthru_edge if the last insn in the block is not
18347 an unconditional jump or a simple conditional jump.
18349 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18351 * Makefile.in (c-decl.o): Depends on defaults.h.
18353 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18355 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18357 (CLASS_MAX_NREGS): Likewise.
18359 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18361 * cse.c (cse_insn): Fix dumb thinko in last change.
18363 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18365 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18368 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18370 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18371 test for sizes of passed and declared parameter types.
18373 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18375 * fixincludes: Fix the return type of bsearch, char* -> void*.
18377 * fixinc/inclhack.def: Likewise.
18379 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18381 * invoke.texi (-fdump-translation-unit): New option.
18383 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18385 * expr.h (PROMOTE_PROTOTYPES): Move ...
18386 * defaults.h: ... to here.
18387 * c-decl.c: Include defaults.h instead of expr.h.
18388 * c-typeck.c: Include defaults.h.
18390 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18392 * toplev.h (errorcount): Declare.
18393 (warningcount): Likewise.
18394 (sorrycount): Likewise.
18395 * c-lex.c (errorcount): Don't declare.
18396 * dwarf2out.c (errorcount): Don't declare.
18398 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18400 * config/libgloss.h: Add a note discouraging use with ELF.
18401 * configure.in: Don't use libgloss.h for ELF targets.
18402 Always use_collect2 on a.out targets.
18404 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18406 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18407 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18409 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18411 * loop.c (strength_reduce): When doing biv->giv conversion, update
18412 reg note of NEXT->insn.
18414 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18416 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18418 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18420 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18421 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18422 Ensure expr.h is included.
18423 * c-typecheck.c (convert_arguments): Ditto.
18425 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18427 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18428 * config/convex/convex.h: Ditto.
18429 * config/dsp16xx/dsp16xx.h: Ditto.
18430 * config/fx80/fx80.h: Ditto.
18431 * config/gmicro/gmicro.h: Ditto.
18432 * config/i370/i370.h: Ditto.
18433 * config/i386/i386.h: Ditto.
18434 * config/m32r/m32r.h: Ditto.
18435 * config/m68k/m68k.h: Ditto.
18436 * config/m88k/m88k.h: Ditto.
18437 * config/mips/mips.h: Ditto.
18438 * config/pa/pa.h: Ditto.
18439 * config/pyr/pyr.h: Ditto.
18440 * config/tahoe/tahoe.h: Ditto.
18441 * config/we32k/we32k.h: Ditto.
18443 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18444 based on arch size.
18446 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18448 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18451 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18453 1999-08-02 Richard Henderson <rth@cygnus.com>
18455 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18456 for the register spill block.
18457 (m32r_va_arg): New.
18458 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18459 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18461 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18462 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18463 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18465 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18467 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18468 MAX_WCHAR_TYPE defined in sparc.h.
18469 * config/sparc/linuxaout.h: Likewise.
18470 * config/sparc/linux64.h: Likewise.
18471 Also default to -mvis if CPU is UltraSPARC.
18473 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18475 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18476 (RTX_OK_FOR_OLO10): Likewise.
18477 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18478 %lo(), allow it in addresses...
18479 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18480 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18481 does not make sense.
18482 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18483 (sparc_output_scratch_registers): New function.
18484 (output_function_prologue, sparc_flat_output_function_prologue): Use
18486 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18488 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18489 * configure.in: Add check for .register pseudo-op support in as and
18490 check for offsetable %lo().
18491 * acconfig.h: Add templates for the above checks.
18492 * configure: Regenerate.
18494 1999-08-02 Richard Henderson <rth@cygnus.com>
18496 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18497 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18498 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18500 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18502 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18505 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18507 * config/float-sparc.h: New file.
18508 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18509 sparc-*-linux-gnu and sparc64-*-linux*.
18511 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18513 * rs6000.c (rs6000_va_list): Type is an array.
18514 (rs6000_va_start): Don't doubly adjust for varargs.
18515 (rs6000_va_arg): Evaluate long long GPR adjustment.
18517 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18519 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18520 -maix64 and -maix32.
18521 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18522 LINK_SPEC): Change appropriately.
18523 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18524 (u_short_cint_operand): Likewise.
18525 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18527 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18529 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18531 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18533 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18534 for type promotion.
18535 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18536 (non_add_cint_operand): Likewise.
18537 (logical_operand): Likewise.
18538 (non_logical_cint_operand): Likewise.
18539 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18540 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18541 (rs6000_select_rtx_section): Suppress warning.
18542 (small_data_operand): Suppress warning.
18543 (rs6000_got_register): Suppress warning.
18544 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18545 type, so `J' is generally the wrong constraint for a SImode value;
18547 (andsi3_internal2): Likewise.
18548 (andsi3_internal3): Likewise.
18549 (iorsi3_internal1): Likewise.
18550 (xorsi3_internal1): Likewise.
18552 (movsf_softfloat): Likewise.
18553 (scc insns): Likewise.
18554 (movsi+2): Preserve sign bits of SImode constant.
18555 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18556 (movdf+1): Sign-extend properly.
18557 (movdi_32+1): Sign-extend properly.
18558 (scc insns): Sign-extend properly.
18560 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18563 1999-08-02 Richard Henderson <rth@cygnus.com>
18565 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18566 -mcpu parsing code.
18567 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18568 * alpha.md (all fp insns): Likewise.
18570 1999-08-02 Nick Clifton <nickc@cygnus.com>
18572 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18575 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18577 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18578 pic_load_label generator directly.
18579 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18580 No longer a named pattern.
18582 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18584 * explow.c (force_reg): Call force_operand if X does not
18585 satisfy general_operand.
18587 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18589 * fix-header.c (main): When testing for CONTINUED, use string
18590 equality, not pointer equality.
18592 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18594 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18596 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18598 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18599 that has become an unconditional jump.
18601 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18602 (output_function_epilogue): Similarly.
18604 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18606 * tree.h (init_dummy_function_start): Declare.
18608 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18610 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18611 last_expr_type, last_expr_value, block_start_count, block_stack,
18612 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18613 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18614 dynamically in stmt elt of struct function for each function.
18615 (struct nesting): Rename function_call_count elt to n_function_calls,
18616 target_temp_slot_level to block_target_temp_slot_level. All users
18618 (struct stmt_status): New structure definition.
18619 Add many accessor macros for stmt_status elements which previously
18620 were global variables.
18621 (init_stmt_for_function): Allocate stmt elt for current_function.
18622 Reflect that block_start_count was renamed to
18623 current_block_start_count.
18624 (save_stmt_status, restore_stmt_status): Delete functions.
18625 (preserve_subexpressions_p): Don't access loop_stack when outside
18627 (expand_start_bindings): Reflect that block_start_count was renamed to
18628 current_block_start_count.
18629 (expand_fixup): Likewise.
18630 (expand_decl): Don't access block_stack when outside a function.
18631 (expand_decl_cleanup): Likewise.
18632 (expand_dcc_cleanup): Likewise.
18633 (expand_dhc_cleanup): Likewise.
18634 (expand_anon_union_decl): Likewise.
18635 (set_file_and_line_for_stmt): New function.
18636 (in_control_zone_p): New function.
18638 * function.h (struct function): Add new elt stmt.
18639 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18640 case_stack, nesting_stack, nesting_depth, block_start_count,
18641 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18642 emit_lineno, goto_fixup_chain.
18643 (save_eh_status, restore_eh_status, save_stmt_status,
18644 restore_stmt_status): Delete declarations.
18645 * function.c (push_function_context_to): Don't call save_stmt_status.
18646 (pop_function_context_to): Don't call restore_stmt_status.
18647 * tree.h (in_control_zone_p): Declare.
18648 * rtl.h (set_file_and_line_for_stmt): Declare.
18650 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18651 call set_file_and_line_for_stmt.
18653 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18655 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18656 Also update copyright.
18658 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18660 * c-pragma.c: Don't include "except.h".
18661 * emit-rtl.c: Likewise.
18662 * stor-layout.c: Likewise.
18663 * tree.c: Likewise.
18664 * varasm.c: Likewise.
18666 * flow.c: Include "function.h".
18667 * tree.h (init_dummy_function_start): Declare new function.
18669 * except.h (struct eh_status): New structure.
18670 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18672 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18673 catch_clauses, false_label_stack, caught_return_label_stack,
18674 protect_list, current_function_ehc): Add accessor macros for the
18675 corresponding fields in current_function->eh; delete declarations
18676 for all items that used to be declared here.
18677 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18678 catch_clauses, false_label_stack, caught_return_label_stack,
18679 protect_list, current_function_ehc): Delete variables.
18680 (init_eh_for_function): Allocate current_function->eh.
18681 (save_eh_status, restore_eh_status): Delete functions.
18683 * function.h (struct function): Add fields next_global and eh.
18684 Delete all exception handling related fields.
18685 * function.c (current_function): New variable.
18686 (all_functions): New variable.
18687 (push_function_context_to): Don't allocate a struct function,
18688 use current_function instead. Call init_dummy_function_start when
18689 outside a function. Clear current_function before returning.
18690 (pop_function_context_from): Restore current_function.
18691 Don't free the restored struct function.
18692 (prepare_function_start): New function.
18693 (init_dummy_function_start): New function.
18694 (init_function_start): Break out some code into prepare_function_start
18697 * stmt.c (save_stmt_status): Don't call save_eh_status.
18698 (restore_stmt_status): Don't call restore_eh_status.
18700 * Makefile.in: Update dependencies.
18702 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18704 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18705 of depending on a magic constant value. Update comments.
18706 (hppa_expand_prologue): Similarly.
18708 * pa.md (reload_indi, reload_outdi): Allow any register for the
18709 original reload register.
18711 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18713 * cccp.c (print_help): Change marcos to macros.
18715 1999-07-30 Richard Henderson <rth@cygnus.com>
18717 * c-typeck.c (initializer_constant_valid_p): Move ...
18718 * c-common.c (initializer_constant_valid_p): ... here. Use
18719 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18720 of label addresses.
18721 * c-common.h (initializer_constant_valid_p): Declare.
18722 * c-tree.h (initializer_constant_valid_p): Remove.
18724 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18726 * config/i386/sol2-c1.asm: Align the stack.
18727 * config/i386/sol2-gc1.asm: Likewise.
18729 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18731 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18732 -Asparclite for sparc86x.
18733 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18735 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18737 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18739 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18740 the user if using the non-default arch size in BI_ARCH configuration.
18741 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18743 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18744 Fix patterns so that they actually match.
18745 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18746 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18747 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18749 (mulsidi3): Reflect this in the expand.
18750 (smulsi3_highpart): Only on TARGET_ARCH32.
18751 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18752 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18753 (umulsidi3): Reflect this in the expand.
18754 (umulsi3_highpart): Only on TARGET_ARCH32.
18755 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18756 don't require g0 to be zero.
18757 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18758 ({,u}divsi3): New expands.
18759 ({,u}divsi3_sp64): New patterns.
18760 (after lshrdi3_v8plus): Four new patterns to help combiner
18761 optimizing nested mixed mode shifts.
18763 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18764 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18765 speed things up. Don't use them by default on plain v9 in 64bit
18766 mode, according to what SPAMv9 sais.
18768 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18769 top 32 bits of %[og][0-7] in signal handlers.
18770 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18772 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18774 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18775 (ashlsi3): Corresponding changes.
18777 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18779 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18781 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18783 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18785 * arm.h (Hint): Delete macro.
18786 Substitute HOST_WIDE_INT for Hint in some prototypes.
18787 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18789 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18791 * builtins.c (expand_builtin_setjmp): Use force_operand to
18792 make sure that the buffer address is in a suitable form to be
18793 passed to force_reg.
18795 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18797 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18800 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18802 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18803 proper mode in the condition string.
18804 (icacheflush, dcacheflush): Remove modes from match_operands.
18806 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18807 proper mode before using it.
18809 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18812 * pa.c (store_reg): Do not call add_high_const generator directly.
18813 (load_reg, set_reg_plus_d): Likewise.
18814 * pa.md (add_high_const): No longer a named pattern.
18816 * pa.c (legitimize_address): Consistently use Pmode rather than
18817 SImode. Do not call gen_pic2_highpart directly anymore.
18818 * pa.md (pic2_highpart): No longer a named pattern.
18819 (pic2_lo_sum): Similarly. Reformat to make more readable.
18821 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18826 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18828 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18830 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18832 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18833 and tag the spill mems.
18834 (hppa_va_start): New.
18835 (hppa_va_arg): New.
18836 * pa.h (EXPAND_BUILTIN_VA_START): New.
18837 (EXPAND_BUILTIN_VA_ARG): New.
18839 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18841 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18842 and tag the spill mems.
18843 (mn10300_va_start): New.
18844 (mn10300_va_arg): New.
18845 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18846 (EXPAND_BUILTIN_VA_ARG): New.
18848 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18850 * mn10200.c (mn10200_va_arg): New.
18851 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18853 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18855 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18856 rather than play with TREE_INT_CST_LOW.
18858 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18860 * config/arm/telf.h: Include dbxelf.h.
18861 (CPP_PREDEFINES): Only define if not already defined.
18862 (ASM_IDENTIFY_GCC): Likewise.
18863 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18864 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18865 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18867 (DBX_DEBUGGING_INFO): Don't define.
18868 * config/arm/linux-telf.h: New file.
18869 * config/arm/linux-tgas.h: New file.
18870 * config/arm/t-thumb-linux: New file.
18871 * config/arm/uclinux-elf.h: New file.
18872 * config/arm/uclinux-telf.h: New file.
18873 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18874 thumb-*-uclinux): New targets.
18875 * configure: Regenerate.
18877 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18879 * pa.md (post_store, pre_load): New expanders.
18880 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18881 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18882 need to directly generate RTL for them.
18883 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18886 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18888 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18889 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18890 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18891 (secndary_reload_class): Make TARGET_ELF conditional compile.
18892 (print_operand_address): Similar.
18893 (output_toc): Print all values as hex.
18894 (get_issue_rate): Rearrange and add RS64A and PPC630.
18895 * rs6000.h (processor_type): Add RS64A and PPC630.
18896 (PROCESSOR_POWERPC64): New.
18897 (PROMOTE_MODE): Use word_mode.
18898 (RTX_COSTS): Add RS64A and PPC630.
18899 * rs6000.md (scheduling information): Add lmul and ldiv
18900 representing 64-bit integer multiply and divide. Add rs64a and
18901 PPC630 information.
18902 (ashldi3): Add support for "rldic" instruction.
18903 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18905 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18907 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18908 instead of V8 for sparclite86x in cpu_table.
18910 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18912 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18913 output_file_directive.
18915 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18917 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18918 tree for op1, not the rtl.
18920 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18922 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18923 to m88k_va_start, leaving only the register spill.
18924 (m88k_build_va_list): New.
18925 (m88k_va_start): New.
18926 (m88k_va_arg): New.
18927 * m88k.h (BUILD_VA_LIST_TYPE): New.
18928 (EXPAND_BUILTIN_VA_START): New.
18929 (EXPAND_BUILTIN_VA_ARG): New.
18931 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18933 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18934 Rename from expand_builtin_saveregs.
18935 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18937 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18939 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18940 for the register spill block.
18941 (i960_build_va_list): New.
18942 (i960_va_start): New.
18943 (i960_va_arg): New.
18944 * i960.h (BUILD_VA_LIST_TYPE): New.
18945 (EXPAND_BUILTIN_VA_START): New.
18946 (EXPAND_BUILTIN_VA_ARG): New.
18947 * i960.md (store_multiple): Use change_address on individul mems.
18949 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18951 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18953 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18954 (expand_builtin_va_end): Evaluate arg for side effects.
18955 * c-common.c (c_common_nodes_and_builtins): Construct a
18956 va_list_arg_type_node to handle array decomposition to pointer.
18958 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18960 * except.c (start_dynamic_cleanup): Use force_operand on the
18963 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18965 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18966 * c4x.c (c4x_va_arg): New.
18968 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18970 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18971 has manual_pop set.
18973 1999-07-26 Nathan Sidwell <nathan@acm.org>
18975 * eh-common.h (__eh_matcher): Prototype correctly.
18977 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18979 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18980 (TARGET_SINGLE_PIC_BASE): Likewise.
18981 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18983 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18984 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18985 (TARGET_OPTIONS): Add -mpic-register=N.
18986 (OUTPUT_INT_ADDR_CONST): New macro.
18987 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18988 LEGITIMATE_PIC_OPERAND_P): Likewise.
18989 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18990 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18991 output_addr_const directly.
18992 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18994 (thumb_pic_register, thumb_pic_register_string): Declare.
18996 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18998 (label_mentioned_p): New function: Imported from arm.c.
18999 (legitimize_pic_address): New function: Imported from arm.c.
19000 (is_pic):New function: Imported from arm.c.
19001 (thumb_finalize_pic):New function: Imported from arm.c.
19002 (add_constant): Cope with PIC constants.
19003 (fixit): Cope with PIC constants.
19004 (output_return): Do not treat the PIC register as live if
19005 TARGET_SINGLE_PIC_BASE is true.
19006 (thumb_function_prologue): Do not treat the PIC register as live if
19007 TARGET_SINGLE_PIC_BASE is true.
19008 (thumb_expand_prologue): Do not treat the PIC register as live if
19009 TARGET_SINGLE_PIC_BASE is true.
19010 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
19011 TARGET_SINGLE_PIC_BASE is true.
19012 (thumb_print_operand): Accept '|'.
19013 (thumb_override_options): Process PIC options.
19015 * config/arm/thumb.md (movsi): Support PIC.
19016 (call_insn): Change "i" constraint to "X".
19017 (call_value_insn): Likewise.
19018 (consttable_4, consttable_8, consttable_end): Set and clear
19019 "making_const_table" as appropriate.
19020 (pic_load_addr, pic_add_dot_plus_four): New insns.
19022 * invoke.texi (Thumb Options): Fix spelling. Document new
19023 options -msingle-pic-base and -mpic-register=.
19025 1999-07-26 Andrew Haley <aph@cygnus.com>
19027 * config/m32r/initfini.c (__init): Use a full word immediate for
19028 __fini: this allows it to be placed in any memory region.
19030 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
19031 -mmodel=medium. This is OK for all memory models.
19033 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
19035 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
19036 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
19038 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
19040 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
19043 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
19045 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
19047 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
19048 (BUILD_VA_LIST_TYPE): New.
19049 (EXPAND_BUILTIN_VA_START): New.
19050 (EXPAND_BUILTIN_VA_ARG): New.
19051 * i860.c (output_delayed_branch): Disable.
19052 (output_delay_insn): Likewise.
19053 (i860_saveregs): New.
19054 (i860_build_va_list): New.
19055 (i860_va_start): New.
19056 (i860_va_arg): New.
19057 * i860.md: Disable all peepholes using output_delayed_branch.
19058 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
19060 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
19062 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
19063 (BUILD_VA_LIST_TYPE): New.
19064 (EXPAND_BUILTIN_VA_START): New.
19065 (EXPAND_BUILTIN_VA_ARG): New.
19066 * clipper.c (clipper_builtin_saveregs): Only dump registers.
19067 Return the address of the save area.
19068 (clipper_build_va_list): New.
19069 (clipper_va_start): New.
19070 (clipper_va_arg): New.
19072 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
19074 * arc.h (EXPAND_BUILTIN_VA_START): New.
19075 (EXPAND_BUILTIN_VA_ARG): New.
19076 * arc.c (arc_setup_incoming_varargs): Set alias set of
19078 (arc_va_start): New.
19081 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
19083 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
19084 (BUILD_VA_LIST_TYPE): New.
19085 (EXPAND_BUILTIN_VA_START): New.
19086 (EXPAND_BUILTIN_VA_ARG): New.
19087 * alpha.c (alpha_builtin_saveregs): Delete.
19088 (alpha_build_va_list): New.
19089 (alpha_va_start): New.
19090 (alpha_va_arg): New.
19092 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
19094 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
19096 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
19097 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
19099 * gcc.texi: More changes related to list conversion.
19100 * invoke.texi: Likewise.
19102 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
19104 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
19105 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
19106 (expand_builtin_next_arg): Accept ARGLIST not EXP.
19107 (stabilize_va_list): New function.
19108 (std_expand_builtin_va_start): New function.
19109 (expand_builtin_va_start): New function.
19110 (get_varargs_alias_set): New function.
19111 (std_expand_builtin_va_arg): New function.
19112 (expand_builtin_va_arg): New function.
19113 (expand_builtin_va_end): New function.
19114 (expand_builtin_va_copy): New function.
19115 (expand_builtin): Call them.
19116 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
19117 __builtin_{varargs_start,stdarg_start,end,copy}.
19118 (build_va_arg): New function.
19119 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
19120 (build_va_arg): Declare.
19121 * c-decl.c (ptr_type_node, va_list_type_node): New.
19122 * c-parse.gperf (__builtin_va_arg): New.
19123 * c-parse.in (VA_ARG): New token.
19124 (unary_expr): Recognize it.
19125 * expr.c (expand_expr): Expand VA_ARG_EXPR.
19126 * expr.h (std_expand_builtin_va_start): Declare.
19127 (std_expand_builtin_va_arg): Declare.
19128 (expand_builtin_va_arg): Declare.
19129 (get_varargs_alias_set): Declare.
19130 * tree.def (VA_ARG_EXPR): New.
19131 * tree.h (BUILT_IN_VARARGS_START): New.
19132 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
19133 (ptr_type_node, va_list_type_node): Declare.
19134 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
19135 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
19136 * m88k.h, m88k.c: Likewise.
19137 * mn10300.h, mn10300.c: Likewise.
19138 * pa.h, pa.c: Likewise.
19139 * rs6000.h, rs6000.c: Likewise.
19140 * sh.h, sh.c: Likewise.
19141 * sparc.h, sparc.c: Likewise.
19143 * emit-rtl.c (operand_subword): Copy alias set.
19144 (change_address): Likewise.
19146 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
19148 * pa.c (compute_frame_size): Scan all the used callee saved registers,
19149 not just the first one.
19151 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
19153 * config/arm/arm.h (TARGET_SWITCHES): Add
19154 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
19155 (TARGET_OPTIONS): Add -mpic-register=.
19156 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
19157 (arm_pic_register_string): Declare.
19158 (NEED_PLT_GOT): Delete, replace with ...
19159 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
19160 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
19161 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
19162 * config/arm/arm.c (arm_override_options): Add new option
19164 (arm_pic_register_string): New variable.
19165 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
19166 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
19167 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
19168 (output_return_instruction): Likewise.
19169 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
19170 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
19171 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
19173 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
19174 mention of -msched-prolog. Document new options -msingle-pic-base
19175 and -mpic-register=.
19177 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
19179 * haifa-sched.c (reemit_notes): Tidy.
19180 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
19183 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
19185 * explow.c (trunc_int_for_mode): New function.
19186 (plus_constant_wide): Use it.
19187 * combine.c (simplify_and_const_int): Likewise.
19188 (merge_outer_ops): Likewise.
19189 (simplify_shift_const): Likewise.
19190 * cse.c (simplify_unary_operation): Likewise.
19191 (simplify_binary_operation): Likewise.
19192 * emit-rtl.c (operand_subword): Likewise.
19193 * rtl.h: Declare it.
19195 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19197 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
19198 (use NUM_REGS instead of NUM_INTS).
19200 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19202 * builtins.c: New file.
19203 * expr.c (saveregs_value, apply_args_value): Delete definition,
19204 moved into builtins.c.
19205 (string_constant): No longer static.
19206 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
19207 apply_args_size, apply_result_size, result_vector,
19208 expand_builtin_apply_args, expand_builtin_apply,
19209 expand_builtin_return): Delete functions, moved into builtins.c.
19210 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
19211 * expr.h (saveregs_value, apply_args_value): Declare variables.
19212 (expand_builtin, string_constant): Declare functions.
19213 * Makefile.in: Update to build builtin.o.
19215 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19217 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
19218 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
19219 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
19220 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
19222 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
19225 1999-07-21 Michael Meissner <meissner@cygnus.com>
19227 * print-rtl.c (print_rtx): Print the names of the virtual
19230 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
19232 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
19233 introduced in previous delta.
19235 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19237 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
19238 to avoid name clash.
19240 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19242 * c-lex.c (yylex) : Correct the test for overflow when lexing
19245 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
19247 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
19248 (adjust_priority): Always call ADJUST_PRIORITY.
19249 (schedule_insn): Only put insns into the ready at cost 0.
19250 (schedule_block): Remove redundant initial sort. Give clock_var
19251 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
19253 * tm.texi (MD_SCHED_REORDER): Update docs.
19255 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
19256 * sparc.c (ultra_reorder_called_this_block): Delete.
19257 (ultrasparc_sched_init): Don't set it.
19258 (ultrasparc_sched_reorder): Don't check it.
19260 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
19262 * rs6000.h (struct rs6000_args): Add sysv_gregno.
19263 * rs6000.c (init_cumulative_args): Init sysv_gregno.
19264 (function_arg_boundary): Align DFmode.
19265 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
19266 to get fp reg and stack overflow correct.
19267 (function_arg): Likewise.
19268 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
19269 (setup_incoming_varargs): Restructure for ABI_V4; use
19270 function_arg_advance to skip final named argument.
19271 (expand_builtin_saveregs): Properly unskip the last integer arg
19272 when doing varargs. Adjust overflow location calculation.
19274 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
19275 explicitly unsigned.
19276 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
19277 (__VA_GP_REGSAVE): Similarly.
19278 (__va_longlong_p): Delete.
19279 (__va_arg_type_violation): New declaration.
19280 (va_arg): Restructure. Flag promotion errors. Align double.
19281 TFmode passed by reference.
19283 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
19284 in the HOST_BITS_PER_WIDE_INT > 32 case.
19286 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
19288 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
19290 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
19292 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
19293 * toplev.c (documented_lang_options): Add -fpreprocessed.
19294 * cpplib.h (struct cpp_buffer): Add preprocessed.
19295 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
19296 (cpp_start_read): Don't expand macros or emit an initial #line
19297 directive if -fpreprocessed.
19299 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19301 * cpplib.h (struct cpp_buffer): Added manual_pop for
19302 better C++ tokenization.
19303 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19304 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19305 * c-common.c (cpp_token): Make non-static.
19307 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19309 * c-common.h: New file.
19310 * c-common.c (permanent_obstack): Delete unused declaration.
19311 (c_global_trees): New array.
19312 (c_common_nodes_and_builtins): New function; split off common code
19313 from init_decl_processing in both c-decl.c and cp/decl.c.
19314 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19315 c_global_trees and accessor macros defined in c-common.h.
19316 Include c-common.h.
19317 * c-decl.c: Delete definitions for tree nodes that were replaced by
19319 (init_decl_processing): Build void_list_node.
19320 Call c_common_nodes_and_builtins; delete code to generate the common
19322 * objc/objc-act.c (build_module_descriptor): Rename variable
19323 void_list_node to avoid clash with c-common.h.
19325 * Makefile.in: Update dependencies.
19326 * objc/Make-lang.in: Likewise.
19328 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19330 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19331 (UNIQUE_SECTION_P): Likewise.
19332 (UNIQUE_SECTION): Likewise.
19334 1999-07-19 Linas Vepstas <linas@linas.org>
19336 * config/i370/README: New file.
19337 * config/i370/linux.h: New file.
19338 * config/i370/mvs.h: New file.
19339 * config/i370/oe.h: New file.
19340 * config/i370/t-linux: New file.
19341 * config/i370/t-mvs: New file.
19342 * config/i370/t-oe: New file.
19343 * config/i370/x-oe: New file.
19344 * config/i370/xm-linux.h: New file.
19345 * config/i370/xm-mvs.h: New file.
19346 * config/i370/xm-oe.h: New file.
19348 * i370.c (label_node_t): Add first_ref_page, label_addr,
19349 label_first_ref, label_last_ref members.
19350 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19351 (MAX_MVS_LABEL_SIZE): Define.
19352 (MAX_LONG_LABEL_SIZE): Define.
19353 (alias_node_t, alias_anchor, alias_number): New.
19354 (mvs_function_table): Reorder for EBCDIC.
19355 (ascebc, ebcasc): Unconditionally define.
19356 (i370_branch_dest, i370_branch_length): New functions.
19357 (i370_short_branch, i370_label_scan): New functions.
19358 (mvs_get_label): Renamed from mvs_add_label. Search for
19359 an existing label before creating a new one.
19360 (mvs_add_label): New function.
19361 (mvs_get_label_page): New function.
19362 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19363 over the entire list.
19364 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19365 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19366 (mvs_add_alias, mvs_need_alias): New functions.
19367 (mvs_get_alias, mvs_check_alias): New functions.
19368 (handle_pragma): New function.
19369 (mvs_function_check): New function.
19370 (unsigned_jump_follows_p): Search harder.
19371 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19372 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19373 * i370.h (TARGET_VERSION): Delete.
19374 (CPP_SPEC, CPP_PREDEFINES): Delete.
19375 (mvs_label_emitted): Delete.
19376 (TARGET_EBCDIC): Delete.
19377 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19378 (HANDLE_PRAGMA): Define.
19379 (HARD_REGNO_NREGS): Handle complex modes.
19380 (HARD_REGNO_MODE_OK): Likewise.
19381 (CLASS_MAX_NREGS): Likewise.
19382 (RET_REG): Likewise.
19383 (EXTRA_CONSTRAINT): Define.
19384 (RETURN_IN_MEMORY): True for DImode.
19385 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19386 (FUNCTION_PROFILER): Delete.
19387 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19388 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19389 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19390 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19391 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19392 (ASM_FILE_START): Add "RMODE ANY".
19393 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19394 (ASM_GLOBALIZE_LABEL): Likewise.
19395 (ASM_OUTPUT_LABELREF): Likewise.
19396 (ASM_OUTPUT_COMMON): Likewise.
19397 (PRINT_OPERAND): Handle 'K', 'W', default.
19398 (PRINT_OPERAND_ADDRESS): New.
19399 (Lots of defines): Add support for TARGET_ELF_ABI.
19400 * i370.md (attr length): New. Define for all patterns.
19401 (*): Lots of tweeks to assembly output and constraints.
19403 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19405 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19406 Disable patterns performing SImode comparisons with SImode values
19407 if TARGET_POWERPC64 and instruction does not sign-extend or does
19408 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19409 differ for signed quantities.
19410 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19411 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19412 (decrement_and_branch_on_count): Add 64-bit variant.
19414 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19416 * final.c (output_asm_insn): When searching for the matching string
19417 for a given dialect, don't run past the end of the list of
19418 alternatives if there are fewer alternatives in the template than
19421 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19423 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19424 Removed paragraph about compression of files and size limitation,
19425 duplicated in the FAQ. Use gcc-patches for posting patches.
19426 * gcc.c (main): Updated URL with bug reporting instructions to
19427 gcc.gnu.org. Removed e-mail address.
19428 * system.h (abort): Likewise.
19430 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19432 * Makefile.in (stmp-multilib-sub): Make the files extracted
19433 from $(LIBGCC1) writable.
19435 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19437 * config/arm/aout.h: Reformat for improved readability.
19439 * config/arm/arm.h: Reformat for improved readability.
19440 Replace uses of fprintf with asm_fprintf where appropriate.
19441 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19442 function declaration assembler actions.
19443 (NUM_INTS): New macro: Convert from bytes to words.
19444 (NUM_REGS): New macro: Compute number of registers required to
19445 hold a quanitity of tyep MODE.
19446 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19448 (NUM_ARG_REGS): New macro: The number of argument registers
19450 (ARG_REGISTER): New macro: Compute the register number of the Nth
19452 (LAST_ARG_REGNUM): New macro: The number of the last argument
19454 (SP_REGNUM): New macro: Register number of the stack pointer.
19455 (FP_REGNUM): New macro: Register number of the frame pointer.
19456 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19457 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19458 CUMULATIVE_ARGS so that it counts registers not bytes.
19460 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19462 Replace uses of fprintf with asm_fprintf where appropriate.
19463 (output_ascii_pseudo_op): Replace with version from thumb.c
19465 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19467 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19468 SUBTARGET_CPP_SPEC.
19469 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19470 (ASM_FILE_START): Emit ASM_APP_OFF.
19472 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19474 * pa.c (compute_frame_size): Round frame according to
19475 STACK_BOUNDARY rather than a hardwired value.
19477 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19479 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19481 * configure: Rebuilt.
19483 * configure.in (hppa*-*-linux*): New configuration.
19484 * configure: Rebuilt.
19485 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19486 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19487 * pa/pa-linux.h: New file.
19488 * pa/t-linux: New file.
19489 * pa/xm-linux.h: New file.
19491 * pa.c (hppa_legitimize_address): Change references from SImode to
19492 either Pmode or word_mode as appropriate.
19493 (emit_move_sequence, store_reg, load_reg): Likewise.
19494 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19495 (output_mul_insn): Likewise.
19496 * pa.h (PROMOTE_MODE): Likewise.
19497 (INITIALZE_TRAMPOLINE): Likewise.
19498 (Pmode): Define to word_mode.
19500 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19501 value of 4. Allocate 8 bytes for each FP register save.
19502 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19504 (hppa_expand_prologue): Likewise.
19505 * pa.h (PROMOTE_MODE): Likewise.
19506 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19507 (FUNCTION_ARG_BOUNDARY): Likewise.
19509 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19511 * pa.c (out_of_line_prologue_epilogue): Delete.
19512 (override_options): Remove -mspace related code.
19513 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19514 (compute_frame_size): Only allocate space for register that
19515 actually need to be saved.
19516 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19517 (TARGET_SWITCHES): Remove -mspace, -mno-space
19518 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19519 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19520 * pa/ee.asm, pa/ee_fp.asm: Delete.
19522 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19524 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19525 directive in column zero.
19527 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19529 * m68k.c (output_function_prologue): Fix computation of save mask
19530 when generating PIC code.
19532 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19534 * tree.c (build_type_attribute_variant): Move current_obstack restore
19535 after build_qualified_type call.
19537 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19539 * configure.in: Use t-iris6, even with GNU LD.
19540 * config/mips/iris6gld.h: Fix typo in linker spec.
19541 * config/mips/t-iris6gld: Remove.
19543 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19545 * rs6000.md (insv, extzv): Remove SImode dependence in named
19546 patterns. Explicitly generate DImode RTL if PowerPC64 and
19548 (insvdi): Reverse start and size in instruction template.
19550 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19552 * invoke.texi: Typo fixes.
19554 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19556 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19557 handle at this time instead of silently generating incorrect code.
19558 (gen_imagpart): Likewise.
19560 * reload.c (find_reloads): Emit a USE for a pseudo register without
19561 a hard register if we could not create an optional reload for the
19564 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19566 * c-typeck.c (output_init_element, process_init_element):
19567 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19568 check for nameless bit fields.
19570 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19572 * regclass.c (scan_one_insn): Notice subregs that change the
19573 size of their operand.
19574 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19576 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19578 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19579 * configure: Rebuilt.
19580 * alpha/t-ieee: New file.
19582 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19584 * rs6000.c (find_addr_reg): Do not select r0 as an address
19587 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19589 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19591 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19593 * rs6000.md (movsf): Do not force easy FP constants into memory.
19595 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19596 immed_double_const to ensure they are properly truncated then
19599 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19601 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19602 always unless NO_DEBUG is used. Compile this code
19604 (replace_symbols_in_block): Compile it unconditionally.
19606 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19608 * configure.in (i?86-*-elf*): New target.
19609 * configure: Rebuilt.
19610 * i386/i386elf.h, i386/t-i386elf: New files.
19612 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19614 * toplev.c (main): Don't complain about saying -gdwarf.
19615 (rest_of_compilation): Remove redundant code.
19617 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19619 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19621 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19623 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19624 "Li960R:", to avoid name clash.
19626 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19628 * loop.c (check_dbra_loop): When reversing a loop, delete all
19629 REG_EQUAL notes referencing the reversed biv except those which are
19630 for a giv based on it.
19632 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19634 * version.c: Drop "gcc-" prefix from version #.
19636 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19638 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19639 the label if we're being verbose.
19641 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19643 * m68k.c (output_function_prologue): Add pic register to mask
19644 if live and flag_pic.
19645 (output_function_epilogue): Likewise.
19647 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19649 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19650 directives in column zero.
19652 * pa/elf.h (ASM_FILE_START): Define.
19653 * pa/som.h (ASM_FILE_START): Include .level directives.
19654 * pa/hpux10.h (ASM_FILE_START): Delete.
19655 * pa/hpux11.h (ASM_FILE_START): Delete.
19657 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19659 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19661 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19662 when reload_out equals reload_in.
19664 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19666 * invoke.texi (Spec Files): New node: Describe the contents of
19669 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19671 * invoke.texi (DEC Alpha Options): Put @end table at
19672 beginning of line, to avoid confusing texi2html.
19674 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19676 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19677 introduced in previous delta.
19679 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19681 * reload1.c (gen_reload): When synthesizing a 3 operand add
19682 sequence, improve test for when to reload OP1 into the reload
19683 register instead of OP0.
19685 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19687 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19689 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19691 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19694 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19696 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19697 (va_dcl): Use __builtin_va_alist_t.
19699 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19701 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19702 on the permanent_obstack.
19703 * dwarfout.c (output_type): Likewise.
19705 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19707 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19708 Merged from c-typeck.c and cp/typeck.c.
19709 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19710 Merged into c-common.
19712 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19714 * c-lex.c (errorcount): Declare it.
19715 (finish_parse): Update errorcount when using CPPLIB.
19717 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19719 * fixinc/inclhack.def(end_else_label): Double the backslash so
19720 sed gets a chance to see it.
19721 * fixinc/inclhack.sh: regen
19722 * fixinc/fixincl.x: regen
19724 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19726 Add framework to support armv5 architecture when it becomes
19729 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19730 (arm_arch5): New variable.
19731 (all_architectures): Add armv5 line.
19732 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19733 -march=armv5 is specified on the command line.
19734 (arm_arch5): Export this variable.
19735 * invoke.texi: Document new string accepted by -march= switch for
19738 * config/arm/arm.h: Replace use of constant 12 as a register
19739 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19740 * config/arm/arm.c: Replace use of constant 12 as a register
19741 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19743 * config/arm/elf.h: Tidy up.
19744 * config/arm/coff.h: Tidy up.
19746 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19748 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19749 * gcc/config/mips/t-iris6gld: New file.
19750 * gcc/config/mips/iris6gld.h: Likewise.
19752 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19754 * c-decl.c (widest_integer_literal_type_node,
19755 widest_unsigned_literal_type) : New.
19756 (init_decl_processing): Handle/use the two new types.
19757 * c-common.c (type_for_size,type_for_mode) : Same.
19758 * c-lex.c (yylex) : Same.
19759 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19761 * c-tree.h (widest_integer_literal_type_node,
19762 widest_unsigned_literal_type) : New.
19764 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19766 * dwarfout.c (field_byte_offset): Correctly compute the object's
19767 byte offset for the first bit of a field which crosses an alignment
19768 boundary on a !BYTES_BIG_ENDIAN target.
19770 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19772 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19775 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19776 Jeff Law <law@cygnus.com>
19778 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19781 * except.c: Include intl.h.
19782 (expand_eh_return): Set current_function_cannot_inline.
19783 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19784 * function.h (struct function): Add eh_return_stub_label.
19785 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19786 * Makefile.in (except.o): Depend on intl.h.
19788 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19790 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19791 same as offsettable in cases 1 and 2.
19793 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19795 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19796 (extlh, extwh): Likewise.
19798 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19800 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19802 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19804 * configure.in: Add arm-pe and thumb-pe targets.
19805 * configure: Regenerate.
19807 * thumb.c (arm_naked_function_p): New function: Determines if
19808 a function is naked (has no gcc generated prologue/epilogue).
19809 (is_called_in_ARM_mode): Return true if the func has the
19810 interfacearm attribute.
19811 (output_return): Do not generate a return for naked functions.
19812 (thumb_function_prologue): Do not generate a prologue for
19814 (thumb_expand_prologue): Do not generate a prologue for naked
19816 (thumb_expand_epilogue): Do not generate an epilogue for naked
19818 (arm_valid_machine_decl_attribute): New function, copied from
19819 arm.c: Permit naked and interfacearm attributes.
19821 * config/arm/pe.c: New file: Support code for arm-pe target.
19822 * config/arm/pe.h: New file: Header file for arm-pe target.
19823 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19824 * config/arm/t-thumb-pe: New file: Makefile fragment for
19827 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19829 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19830 -fPIC or -fpic is specified.
19832 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19834 * expr.c (emit_block_move): Use copy_to_mode_reg for
19835 !TARGET_MEM_FUNCTIONS case too.
19837 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19839 * configure: Rebuilt.
19840 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19841 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19842 definitions made redundant by dbxelf.h inclusion. Delete
19843 lots of definitions related to assembly output that are
19844 specific to the SOM object format.
19845 * pa.c (output_function_prologue): Do not emit the function's
19847 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19848 * pa-pro.h: Deleted.
19849 * som.h: New file with SOM specific definitions.
19850 * elf.h: New file with ELF specific definitions.
19852 * elfos.h (const_section): Output a tab before assembler directives.
19853 (ctors_section, dtors_section): Likewise.
19854 (ASM_OUTPUT_SECTION_NAME): Likewise.
19856 * pa/pa1.h: Delete unused file.
19858 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19860 * configure.in (hppa*-hp-hpux11*): New configuration.
19861 * configure: Rebuilt.
19862 * pa/pa-hpux11.h: New file.
19863 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19866 * mips.md (leasi, leadi): New patterns.
19868 * expr.c (emit_block_move): Properly handle case where one of the
19869 block move arguments has a queued increment or decrement.
19870 (clear_storage): Similarly. Fix formatting goof.
19872 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19874 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19875 semicolon from the BSD VA_LIST replacement expression.
19877 * fixinc/inclhack.sh: regen
19878 * fixinc/fixincl.x: regen
19880 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19881 now use the fixincl program.
19883 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19885 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19886 case. Also make the PIC register call_used.
19888 * m68k.h (FINALIZE_PIC): Delete.
19889 * m68k.c (finalize_pic): Delete.
19891 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19893 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19896 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19898 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19900 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19902 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19904 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19906 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19908 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19910 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19912 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19914 * rs6000.c (output_toc): Always use hex values for floating-point
19915 constants. Store single-precision values in upper-half of TOC
19916 entry in 64-bit mode.
19917 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19918 to final constraints.
19919 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19920 (fctiwz): Improve accuracy of RTL for pattern.
19922 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19924 * expr.c (expand_expr): Allow RTL_EXPR's through the
19925 MAX_INTEGER_COMPUTATION_MODE checks.
19927 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19929 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19930 such that MASK_SUPPORT_ARCH is not negative.
19932 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19934 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19935 ADDR_DIFF_VEC insns that appear inside loops.
19937 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19938 Jeff Law <law@cygnus.com>
19940 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19941 Handle LO_SUM the same as offsettable in cases 1 and 2.
19942 * rs6000.c (find_addr_reg): Revert previous patch.
19944 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19946 * system.h (strstr): New external function declaration.
19947 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19948 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19949 * config.in, configure: Rebuilt.
19951 1999-06-24 Tom Tromey <tromey@cygnus.com>
19953 * gcc.c (main): Read user-specified specs files after computing
19954 additional startfile_prefixes.
19956 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19958 Revert these two patches:
19960 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19961 * loop.c (strength_reduce): When doing biv->giv conversion, update
19962 reg note of NEXT->insn.
19964 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19965 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19967 (recombine_givs): Set ix field after sorting.
19969 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19971 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19972 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19974 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19976 *fixinc/inclhack.def: Add fix development commentary
19977 (read_ret_type): reactivate and add selection clause
19978 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19979 *fixinc/{fixincl.x|inclhack.sh}: regen
19981 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19983 * expr.c (expand_expr): STRIP_NOPS before checking against
19984 MAX_INTEGER_COMPUTATION_MODE
19985 (check_max_integer_computation_mode): Likewise.
19987 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19989 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19991 1999-06-22 Jim Wilson <wilson@cygnus.com>
19993 * expr.c (store_expr): When target is a promoted subreg, return a
19994 promoted subreg as a result.
19996 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19998 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
20000 (dwarf2out_define): Mark unused parameters appropriately.
20001 (gen_unspecified_parameters_die): Ditto.
20002 (gen_subprogram_die): Fix signed/unsigned warnings.
20003 (gen_variable_die): Ditto.
20005 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
20007 * fixinc/inclhack.def(end_else_label): combined else_label
20008 and endif_label and fixed the sed expression.
20009 *fixinc/{fixincl.x|inclhack.sh}: regen
20011 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
20013 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
20014 'x' when handling non-offsettable addresses
20016 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
20018 * final.c (shorten_branches): Don't try to split an insn that has
20021 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
20023 * config/mips/mips.c (symbolic_expression_p): New function.
20024 (mips_select_rtx_section): Put symbolic expressions in the
20025 data section, not the read-only data section.
20027 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
20029 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
20031 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
20033 * collect2.c (main): Log frame table count.
20034 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
20035 (scan_prog_file) [COFF]: Handle frame tables.
20037 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
20038 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
20039 * alpha/elf.h: Undef them again.
20040 * alpha/vms.h: Remove their definitions.
20042 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20044 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
20045 remove the clobber of r0 and change the REG_UNUSED note to
20048 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
20050 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
20051 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
20052 fits in HOST_WIDE_INT and one uses union to access a long constant
20055 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
20057 * sparc.c (sparc_override_options): Don't allow profiling for
20058 code models other than medlow.
20059 (sparc_function_profiler): New function from old FUNCTION_PROFILER
20060 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
20061 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
20062 (sparc_block_profiler): Likewise.
20063 (sparc_function_block_profiler_exit): Likewise.
20064 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
20065 (FUNCTION_BLOCK_PROFILER): Likewise.
20066 (BLOCK_PROFILER): Likewise.
20067 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
20068 (MCOUNT_FUNCTION): New.
20069 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
20070 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
20071 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
20072 (MCOUNT_FUNCTION): New.
20073 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
20074 (BLOCK_PROFILER): Delete.
20075 (MCOUNT_FUNCTION): New.
20077 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
20079 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
20081 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
20083 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20086 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20089 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20092 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20095 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
20097 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
20100 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
20102 * i386/djgpp.h (LIB_SPEC): New.
20103 (STARTFILE_SPEC): New.
20105 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
20107 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
20109 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
20112 * system.h (WSTOPSIG): New macro.
20114 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
20116 * c-pragma.c (push_alignment): Don't ignore alignments greater than
20118 (insert_pack_attributes): Take into account member natural
20121 * i386/winnt.c (exports_head): New static variable.
20122 (i386_pe_record_exported_symbol): New function.
20123 (i386_pe_asm_file_end): Use.
20124 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
20125 symbols to be emitted at end of assembly.
20126 (ASM_DECLARE_OBJECT_NAME): Likewise.
20127 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20129 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
20132 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
20134 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
20137 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
20139 * haifa-sched.c (sched_analyze_1): Use free_list instead of
20140 zapping reg_last_uses directly.
20141 (sched_analyze_2, sched_analyze_insn): Likewise.
20142 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
20144 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
20146 * rs6000.md (movdf_hardfloat32): Use worst case insn length
20147 attributes for cases 1 and 2.
20149 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
20151 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
20154 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
20156 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
20158 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
20160 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
20161 PIC_OFFSET_TABLE_REGNUM for general alloaction.
20162 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
20163 must be stacked if it is used for PIC accesses.
20164 * arm.c (use_return_insn): Handle PIC register specially.
20165 (output_return_instruction): Likewise.
20166 (output_func_{prologue,epilogue}): Likewise.
20167 (output_expand_prologue): Likewise.
20169 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
20170 (*strsi_predec): Renamed from *strqi_predec.
20171 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
20172 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
20174 * arm.c (arm_override_options): Remove warning about PIC code
20175 not being supported.
20177 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
20179 * rs6000.c (find_addr_reg): New function.
20180 * rs6000.h (find_addr_reg): Declare.
20181 (offsettable_addr_operand): Delete.
20182 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
20183 from and stores to GPRs.
20185 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
20187 * alpha.c (alpha_expand_block_move): Use get_insns rather than
20188 gen_sequence as argument to emit_no_conflict_block.
20190 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20192 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
20193 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
20194 *fixinc/fixincl.x: regen
20195 *fixinc/inclhack.sh: regen
20197 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
20199 * added support for -mpcrel (PC relative addressing for m68k)
20200 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
20201 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
20202 * m68k.c (print_operand_address): Handle 32-bit PIC case.
20203 (comments for general_src_operand): Add some explanation
20204 about EXTRA_CONSTRAINTS.
20205 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
20206 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
20207 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
20208 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
20209 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
20210 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
20211 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
20212 if not already set.
20213 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
20214 * m68k.h (TARGET_PCREL): New target flag.
20215 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
20216 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
20217 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
20218 contains a SYMBOL_REF. Relax this constraint during reload, since
20219 we want to use the predicates, not reload's built-in concept of a
20220 valid memory address, to control what insns need reloading.
20221 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
20222 operands (essentially 'g', 'm', and 's' under normal circumstances).
20223 * m68k.c (print_operand): Cause printing of pc-relative addresses
20224 to include pc register.
20225 (print_operand_address): Ditto.
20226 (general_src_operand): Accept operands that are not only
20227 general_operands, but are also valid when used as a pc-relative
20229 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
20230 (memory_src_operand): Similar, for memory_operands.
20231 (pcrel_address): New predicate to accept the special case of a
20232 pc-relative address.
20233 * m68k.md (many patterns): Rewrite common SImode, HImode, and
20234 QImode insns to accept *_src_operand instead of *_operand where
20235 pc-relative operands can fit. For example, a pc-relative operand
20236 can be used as a memory source operand for addsi3, but not as a
20237 memory destination.
20238 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
20240 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
20242 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
20243 .thumb_set pseudo op to mark aliases of thumb functions.
20245 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
20247 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
20248 preference to ASM_OUTPUT_DEF, if it is defined.
20250 * tm.texi: Document new, optional target macro
20251 ASM_OUTPUT_DEF_FROM_DECLS.
20253 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20255 * fixincludes: ISCNTL patch
20256 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
20257 (dgux_int_varargs): new for DG/UX
20258 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
20260 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
20262 * invoke.texi (ia32 options): Fix typo.
20264 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20266 * loop.c (strength_reduce): When doing biv->giv conversion, update
20267 reg note of NEXT->insn.
20269 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
20271 * loop.c (move_movables): Note issues with replacing REGs with
20273 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
20275 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
20277 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
20279 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
20280 the reference to `mcount' was not correct for the ELF on FreeBSD.
20282 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20284 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20287 (recombine_givs): Set ix field after sorting.
20289 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
20291 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
20292 to safe to extract a subword out of a REG.
20294 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20296 * sh.md (mulsi3): Don't add a no-op move at the end.
20298 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20300 * cse.c (cse_insn): Don't put hard register source into tables for
20301 the last insn of a libcall.
20303 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20305 * loop.c (strength_reduce): Insert sets of derived givs at every
20306 biv increment, even if it's the only one.
20308 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20310 * dwarfout.c (add_incomplete_type): New fn.
20311 (output_type): Call it.
20312 (retry_incomplete_types): New fn.
20313 (dwarfout_finish): Call it.
20315 From Eric Raskin <ehr@listworks.com>:
20316 (output_type): Output types for bases.
20318 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20320 * mips.c (mips_output_conditional_branch): Add `break'
20321 between `default' label and `close braces'.
20323 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20325 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20326 specifications and make it realistic.
20327 (LIB_SPEC): Likewise.
20329 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20331 * config/mips/mips.c (mips_secondary_reload_class): Check for
20332 (PLUS (SP) (REG)) and return appropriate register class.
20333 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20334 Handle (PLUS (SP) (REG)).
20335 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20336 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20337 of emit_insn for tablejump.
20339 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20341 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20342 asm_fprintf format string by itself.
20343 (output_function_profiler): Likewise.
20345 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20347 * combine.c (simplify_logical, case AND): Only call
20348 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20349 or the constant is positive.
20351 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20353 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20354 * configure: Regenerate.
20356 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20358 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20359 require a sub-version #.
20360 * configure: Rebuilt.
20362 1999-06-14 Robert Lipe (robertlipe@usa.net)
20364 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20366 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20368 * c-typeck.c (process_init_element): Detect excess elements in
20369 char array initializer.
20371 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20373 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20375 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20377 * invoke.texi (Option Summary): Add -fpermissive flag.
20379 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20381 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20382 that require PIC code sequences.
20384 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20386 * configure.in: Add new target: thumb-elf.
20387 * configure: Regenerate.
20388 * config/arm/t-thumb-elf: New file: Makefile fragment for
20390 * config/arm/telf.h: New file: Header file for thumb-elf
20393 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20395 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20396 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20397 initializers is some circumstances.
20399 * fixinc/inclhack.def (endif_label): Add additional selector for
20400 more bogus stuff after #endif statements.
20401 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20403 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20405 * i386/cygwin.h (SET_ASM_OP): Define.
20407 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20409 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20411 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20413 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20416 * sh.md (ic_invalidate_line_i): Remove second alternative.
20418 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20420 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20421 test for the presence of valid prototypes. Delete bypass expr.
20422 (ioctl_fix_ctrl): Correct the selection expression.
20423 (no_double_slash): Correct quoting rules
20424 *fixinc/fixincl.x: regen
20425 *fixinc/inclhack.sh: regen
20427 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20429 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20431 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20433 * rs6000.md (movsi_got_internal_mem): Delete.
20434 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20435 (GOT_TOC_REGNUM): Delete.
20436 (PIC_OFFSET_TABLE_REGNUM): Define.
20437 (FINALIZE_PIC): Disable.
20438 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20439 (rs6000_replace_regno): Delete.
20440 (rs6000_finalize_pic): Likewise.
20441 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20443 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20445 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20446 is a note; use <= for the compare; advance P while it is
20449 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20451 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20452 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20454 * varasm.c (remove_from_pending_weak_list): Verify t->name
20455 is non-NULL before passing it to strcmp.
20457 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20459 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20460 the typed arguments are not part of a comment
20461 (ioctl_fix_ctrl): Added a purpose comment
20462 *fixinc/fixincl.x: regenerate
20463 *fixinc/inclhack.sh: regenerate
20465 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20467 * invoke.texi: Add C4x invocation docs.
20469 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20471 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20473 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20475 (c4x_legitimize_reload_address): New function.
20476 * config/c4x/c4x.md: Update docs.
20478 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20480 * fixincludes: Avoid removing '.'.
20481 * fixinc/fixinc.svr4: Likewise.
20482 * fixinc/fixinc.winnt: Likewise.
20483 * fixinc/inclhack.tpl: Likewise.
20484 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20486 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20488 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20490 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20492 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20494 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20497 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20499 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20500 * configure: Regenerate.
20502 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20504 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20507 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20509 * fixinc/inclhack.def (avoid_bool): Also catch
20510 "typedef [unsigned] int bool".
20511 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20513 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20514 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20515 * configure: Rebuilt.
20517 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20519 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20520 such that we can override its definitions if necessary.
20521 (CPP_SPEC): New define. Support processor specific predefines via
20523 (CC1_SPEC): New define. Support processor specific compiler
20524 options via %(cc1_cpu).
20525 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20528 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20530 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20531 between sed's -e flag, and the open-quote following it.
20532 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20534 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20535 Jeffrey A Law (law@cygnus.com)
20537 * varasm.c (assemble_start_function): Remove the function
20538 from the pending weak decls list when we define a function.
20539 (assemble_variable): Similarly for variables.
20540 (weak_finish): Ignore items on the list with a NULL name.
20541 (remove_from_ending_weak_list); New function to "remove" an item
20542 from the pending weak declarations list.
20544 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20546 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20548 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20550 * c-lex.c (GETC): Redefine to call getch.
20551 (UNGETC): Redefine to call put_back.
20552 (putback_buffer): New structure type.
20553 (putback): New static structure.
20554 (getch): New function.
20555 (put_back): New function.
20556 (yylex): Replace unused bytes from bad multibyte character.
20558 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20560 * cpplib.c (do_define): Cast `alloca' return value.
20561 (do_include, do_undef, do_pragma): Likewise.
20562 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20564 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20565 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20567 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20569 * sparc.md (abstf2): This should be an expand.
20570 (split after abstf2_notv9): Fix mode.
20571 (abstf2_hq_v9): New pattern.
20572 (abstf2_v9): Only use when no hard quad.
20573 (absdf2_v9): Fix if target is not the same as source.
20574 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20575 Add correct output constraints.
20577 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20579 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20580 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20582 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20584 * mips.h (mips_output_conditional_branch): New function.
20585 (mips_adjust_insn_length): Likewise.
20586 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20587 (ADJUST_INSN_LENGTH): Likewise.
20588 * mips.c (print_operand): Add `F' and `W' for floating-point
20589 comparison opcodes.
20590 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20592 (mips_adjust_insn_length): New function.
20593 (mips_output_conditional_branch): New function.
20594 * mips.md (length): Adjust attribute definition to handle
20595 conditional branches. Change lengths to bytes, rather than
20596 instructions throughout. Remove length attribute from
20597 instructions whose length is four bytes, and rely on the default
20599 (dslot): Fix typo in comment.
20600 Reword conditional branch patterns to use
20601 mips_output_conditional_branch.
20603 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20605 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20606 (LIB_SPEC): Likewise.
20607 Link with -lprof1_r for -g/-pg.
20609 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20611 * loop.c (check_dbra_loop): Fix change of Jan 19.
20613 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20615 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20616 (STARTFILE_SPEC): Define, override the svr4.h version.
20617 (ENDFILE_SPEC): Likewise.
20619 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20621 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20622 * fixinc/fixincl.x: Regenerated.
20623 * fixinc/inclhack.sh: Regenerated.
20625 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20627 * sh.c (barrier_align): Don't return early for normal branch/barrier
20628 when optimizing for SH2.
20630 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20632 * i386/udk.h (LINK_SPEC): Correct linker search path for
20635 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20637 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20638 (braf_label_ref_operand): Delete.
20639 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20640 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20641 label_ref, and has no predicate.
20642 The patten has a predicate to guard against invalid substitutions.
20643 (dummy_jump): Delete.
20644 (casesi): Update use of casesi_jump_2.
20646 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20648 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20649 *fixinc/fixincl.x: regenerate
20650 *fixinc/inclhack.sh: regenerate
20652 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20654 * dwarf2out.c (add_incomplete_type): New fn.
20655 (gen_struct_or_union_type_die): Call it.
20656 (retry_incomplete_types): New fn.
20657 (dwarf2out_finish): Call it.
20659 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20661 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20662 current block starts with a CODE_LABEL and ends with a CALL and
20663 we can not find all the argument setup instructions for the CALL.
20665 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20667 Revert this change:
20668 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20669 something is a candidate for optimize_bit_field_compare.
20671 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20673 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20675 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20677 * alpha.c (override_options): Thinko in last patch.
20679 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20680 (LIB_SPEC): Recognize -pthread.
20682 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20684 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20685 definition in config/arm/coff.h
20686 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20688 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20690 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20691 fixes that need "file=xxx\n" prepended before invocation
20692 (start_fixer - new): starting the fixer process is complex enough
20693 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20694 (process): uses the new routine; omit usage of putenv()
20695 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20696 * fixinc/fixincl.x: regenerate
20698 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20700 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20701 and version #s (1.1 -> 2.96) as needed.
20702 * README.g77: Kill way out of date file in the toplevel directory.
20704 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20706 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20707 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20708 * configure: Rebuilt.
20709 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20710 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20711 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20712 (SWITCH_TAKES_ARG): Likewise.
20713 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20714 * config/t-freebsd: Moved from config/i386/ so it can used for all
20717 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20719 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20721 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20723 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20724 * configure: Rebuilt.
20726 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20728 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20729 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20730 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20731 (rs6000_output_load_toc_table): Same.
20732 (output_prolog, output_mi_thunk): Same.
20733 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20734 (ASM_GLOBALIZE_LABEL): Use putc.
20736 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20738 * alpha.md (reload_*_help): New patterns and splitters.
20739 (reload_*): Use them.
20740 (mov[qh]i): Likewise.
20742 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20744 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20747 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20749 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20751 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20753 * flow.c (mark_regs_live_at_end, insn_dead_p,
20754 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20755 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20756 hasn't run or the frame pointer is needed.
20757 * haifa-sched.c (attach_deaths): Likewise.
20758 * sched.c (attach_deaths): Likewise.
20760 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20762 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20763 calculate_can_reach_end returns nonzero.
20765 * configure.in (native gas tests): Search for an assembler in the
20766 same manner that the installed compiler will.
20767 * configure: Rebuilt.
20768 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20770 * alias.c (find_base_term): Improve handling of addresses
20771 constructed from binary operations.
20773 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20775 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20777 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20779 * function.h (cleanup_label, frame_offset): Declare.
20780 (tail_recursion_label, tail_recursion_reentry): Likewise.
20781 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20782 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20783 (tail_recursion_label, tail_recursion_reentry): Likewise.
20784 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20786 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20788 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20790 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20791 (MAX_OFILE_ALIGNMENT): Define.
20793 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20795 * fixincl.c: Replace local include scheme with #includes of
20796 gansidecl.h and system.h.
20797 * procopen.c: Likewise.
20798 * server.c: Likewise.
20800 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20802 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20803 (crti.o): Add build rule and dependencies.
20804 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20806 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20808 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20809 (LIB_LINUX_SPEC): Likewise.
20810 (LIB_LINUX_SPEC): Add support for -pthread
20811 (CPP_OS_LINUX_SPEC): Likewise.
20812 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20815 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20817 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20819 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20820 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20821 for IEEE math and CC_FCOMI.
20822 (put_jump_code): No IEEE if CC_FCOMI is set.
20824 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20826 * fold-const.c (fold_truthop): Make the field reference unsigned
20827 when converting a single bit compare.
20829 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20831 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20833 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20835 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20836 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20839 * reload.c (push_reload): Do not call remove_address_replacements
20840 when presented with identical optional reloads.
20842 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20844 * alpha.h (MASK_FIX, TARGET_FIX): New.
20845 (MASK_*): Reorganize constants.
20846 (CPP_AM_FIX_SPEC): New.
20847 (TARGET_SWITCHES): Add FIX.
20848 (EXTRA_SPECS): Likewise.
20849 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20850 (SECONDARY_MEMORY_NEEDED): Likewise.
20851 (REGISTER_MOVE_COST): Likewise.
20852 * alpha.c (override_options): Add FIX support. Always use
20853 ALPHA_TP_PROG for ev6.
20854 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20855 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20856 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20858 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20860 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20861 something is a candidate for optimize_bit_field_compare.
20863 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20865 * gcc.texi (Passes): Document branch-shortening.
20866 * invoke.texi (Debugging Options): Document the fact that `-dp'
20867 outputs length information for instructions.
20869 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20871 * flow.c: Revert previous delta.
20873 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20875 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20876 FRAME_POINTER_REGNUM.
20877 (mark_set_1): Ditto.
20878 (mark_used_regs): Ditto.
20880 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20882 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20883 (GOT_PCREL): New macro. Define to 1 if not already defined.
20884 * arm/elf.h (GOT_PCREL): Define to 0.
20885 * arm.c (arm_finalize_pic): Take into account the setting of
20888 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20890 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20891 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20893 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20894 store elimination candidates.
20896 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20898 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20901 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20903 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20904 Add use of x-aix41-gld.
20906 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20908 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20909 (ASM_OUTPUT_DESTRUCTOR): Define.
20911 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20913 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20914 last CODE_LABEL in a loop if we have previously passed a jump
20915 to the top of the loop.
20917 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20919 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20920 applying Philip's patch.
20922 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20924 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20927 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20929 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20931 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20933 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20934 Also remove a useless comment.
20936 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20938 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20940 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20942 * collect2.c (main): Only generate import or export file and add
20943 to link arguments if non-empty. Use xmalloc not alloca.
20944 (write_{export,import}_file): Delete.
20945 (write_aix_file): New function.
20946 (locatelib): Use xmalloc not malloc.
20947 (GCC_OK_SYMBOL): Do not check type if aix64.
20949 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20951 Based on patch by Scott Bambrough and Pat Beirne:
20952 * config/arm/arm.c (making_const_table): New variable.
20953 * config/arm/arm.h (making_const_table): Declare.
20954 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20956 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20957 Keep track of when we are building the constant table.
20959 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20961 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20964 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20966 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20969 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20971 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20974 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20976 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20978 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20980 * rs6000.c (output_mi_thunk): Enable full support again.
20982 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20984 * sh.h (BRANCH_COST): Define.
20986 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20988 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20990 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20992 * function.c (assign_stack_local): Align stack slot propertly.
20993 (assign_outer_stack_local): Likewise.
20995 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20997 * expr.h (lang_expand_constant): Declare.
20998 * toplev.c (lang_expand_constant): Define it.
20999 * varasm.c (output_constant): Use it.
21001 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21003 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
21004 Change function definitions to K&R style.
21006 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21008 * fixinc/fixincl.c: We must not ignore SIGCLD now.
21010 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
21012 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
21013 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
21014 (several places): omit static initialization
21015 (process): use single fd, since only the read fd is used
21016 * fixinc/gnu-regex.c: define 'const' away, if not supported
21017 * fixinc/procopen.c(several places): omit static initialization
21018 * fixinc/server.c: define 'volitile' away, if not supported
21020 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
21022 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
21023 asm_fprintf and %L to generate the label name.
21024 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
21025 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
21027 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
21029 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
21030 insn for a conditional jump can not be found.
21032 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
21034 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
21035 on variables in specific sections other than .sbss and .sdata.
21037 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
21039 * stmt.c (expand_return): Call start_cleanup_deferral and
21040 end_cleanup_deferral around conditional code.
21042 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21044 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
21045 filename lists. Utilizes new "krstr" AutoGen function.
21046 * fixinc/fixincl.x: Rebuilt.
21048 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
21050 * i386.c (output_float_compare): Avoid GNU-C extensions.
21052 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
21054 * version.c: Bump to distinguish mainline tree from the
21057 See ChangeLog.1 for earlier changes.