1 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4 try to protect against middle-end changes that break binary
6 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
12 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14 * calls.c (expand_call): If TARGET is passed by reference and
15 is readonly, write a CLOBBER.
17 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * builtins.c (expand_builtin): Handle bcmp.
21 * builtins.def: Add BUILT_IN_BCMP.
23 * c-common.c (c_common_nodes_and_builtins): Provide builtin
24 prototype & function for bcmp.
26 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
28 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
29 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
30 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
32 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
34 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
35 alternative when using -fp64 -gp32.
37 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
39 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
40 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
41 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
43 * frame.h (frame_state): Revert last change.
44 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
45 * libgcc2.c (throw_helper): Revert last change.
47 2000-03-22 Richard Henderson <rth@cygnus.com>
49 * stmt.c (expand_asm_operands): Don't promote the temporary.
51 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
53 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
54 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
55 c_get_alias_set): Likewise.
56 * c-decl.c (duplicate_decls): Likewise.
57 * c-typeck.c (default_conversion,build_unary_op): Likewise.
58 * calls.c (initialize_argument_information): Likewise.
59 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
61 * dwarfout.c (decl_class_context,output_type): Likewise.
62 * expr.c (get_inner_reference): Likewise.
63 * fold-const.c (simple_operand_p,fold): Likewise.
64 * function.c (aggregate_value_p): Likewise.
65 * stmt.c (expand_asm_operands): Likewise.
66 * varasm.c (named_section): Likewise.
68 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
70 Implement dwarf2 exception handling for the ARM.
71 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
72 (DWARF_FRAME_RETURN_COLUMN): Define.
73 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
74 REG_FRAME_RELATED_EXPR note.
76 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
77 * dwarf2out.c (reg_save): Handle saving a register to itself.
78 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
79 * except.c (eh_regs): Don't use the static chain reg if it's
81 * frame.h (frame_state): Add cfa_saved field.
82 * frame.c (execute_cfa_insn): Set it.
83 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
85 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
87 (instantiate_virtual_regs): Adjust.
89 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
90 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
91 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
93 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
94 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
96 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
98 * builtins.def: New file.
100 * Makefile.in (TREE_H): Depend on builtins.def.
102 * builtins.c (built_in_names): Use builtins.def.
104 * tree.h (built_in_function): Likewise.
106 2000-03-22 Mark Mitchell <mark@codesourcery.com>
108 * tree.c (size_in_bytes): Return size_zero_node, not
111 2000-03-22 Geoff Keating <geoffk@cygnus.com>
113 * config/fp-bit.c (pack_d): Correct the case when a denormal
114 is rounded up and stops being denormal.
116 2000-03-21 Richard Henderson <rth@cygnus.com>
118 * config/alpha/alpha.c (function_arg): Check for void_type_node
119 before using MUST_PASS_IN_STACK.
121 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
123 * regmove.c (combine_stack_adjustments_for_block): Check that
124 the stack pointer is a valid memory address.
126 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
128 * calls.c: re-install Mar 16 emit_library_call merge.
130 2000-03-21 Jakub Jelinek <jakub@redhat.com>
132 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
133 we cannot be sure that if reload_completed base register will
136 2000-03-21 Richard Henderson <rth@cygnus.com>
138 * flow.c (delete_block): Fix typo last change.
140 2000-03-21 Mark Mitchell <mark@codesourcery.com>
142 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
143 not COMPLETE_TYPE_P, to check the type of the expression.
145 2000-03-21 Michael Meissner <meissner@redhat.com>
147 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
148 all floating point insns that just tested the macro
149 TARGET_HAS_XFLOATING_LIBS.
150 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
151 used to only use the gprs.
153 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
155 * tree.h (COMPLETE_TYPE_P): New macro.
156 (COMPLETE_OR_VOID_TYPE_P): New macro.
157 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
158 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
159 * c-aux-info.c (gen_type): Use them.
160 * c-common.c (c_expand_expr_stmt): Likewise.
161 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
162 grokdeclarator, grokparms, finish_struct, start_function,
163 store_parm_decls, combine_parm_decls): Likewise.
164 * c-parse.y (cast_expr): Likewise.
165 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
166 c_size_in_bytes, c_alignof, build_component_ref,
167 build_indirect_ref, build_array_ref, convert_arguments,
168 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
169 * calls.c (initialize_argument_information): Likewise.
170 * convert.c (convert_to_integer): Likewise.
171 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
172 * dwarfout.c (location_or_const_value_attribute,
173 output_enumeration_type_die, output_structure_type_die,
174 output_union_type_die, output_type): Likewise.
175 * expr.c (safe_from_p, expand_expr): Likewise.
176 * function.c (assign_parms): Likewise.
177 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
178 * tree.c (build_array_type, build_function_type,
179 build_method_type, build_offset_type, build_complex_type): Likewise.
180 * c-parse.c, c-parse.h: Regenerated.
182 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
184 * config/c4x/rtems.h: Include config/rtems.h.
186 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
188 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
189 decl is a FUNCTION_DECL
191 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
193 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
194 function uses output registers. Don't save RP for leaf functions.
195 Do save RP even if no epilogue.
196 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
197 (CALL_USED_REGISTERS): Unmark in registers.
198 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
201 2000-03-20 Geoff Keating <geoffk@cygnus.com>
203 * config/rs6000/rs6000.md (bunordered): New expander.
204 (bordered): New expander.
205 (buneq): New expander.
206 (bunge): New expander.
207 (bungt): New expander.
208 (bunle): New expander.
209 (bunlt): New expander.
210 (bltgt): New expander.
212 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
213 (ccr_bit_negated_p): New function.
214 (print_operand): For %C, generate appropriate cror for UNEQ,
215 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
217 2000-03-20 Andreas Jaeger <aj@suse.de>
219 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
222 * tree.h (safe_for_unsave): Prototype.
224 2000-03-20 Richard Henderson <rth@cygnus.com>
226 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
227 (combine_stack_adjustments_for_block): Don't allow sp references
228 in the side of a set we're not fixing up.
229 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
232 2000-03-20 Richard Henderson <rth@cygnus.com>
234 * calls.c (expand_call): Don't bother generating tail call
235 sequences if there are pending cleanups. Use
236 expand_start_target_temps/expand_end_target_temps to elide
237 cleanups created during sibcall expansion.
239 2000-03-20 Geoff Keating <geoffk@cygnus.com>
241 * configure.in: Set $IFS to a value if it doesn't already have one
242 in the --enable-checking handling.
243 * configure: Regenerate.
245 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
247 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
248 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
251 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
253 * jump.c (delete_noop_moves): Remove code attempting to
254 combine stack adjustments.
256 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
258 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
259 * except.c (emit_cleanup_handler): Use them.
260 (expand_end_all_catch): Likewise.
261 * function.c (fixup_var_refs): Likewise.
262 (expand_function_end): Clear catch_clauses_last.
263 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
264 * except.h (struct eh_status): New field x_catch_clauses_last.
265 (catch_clauses_last): New define.
267 * Makefile.in (tree.o): Depend on HASHTAB_H.
268 * tree.c: Include hashtab.h.
269 (struct type_hash): Remove next field.
270 (TYPE_HASH_SIZE): Remove.
271 (TYPE_HASH_INITIAL_SIZE): New define.
272 (type_hash_table): Change type to htab_t.
273 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
274 mark_hash_entry): New functions.
275 (init_obstacks): Allocate type hash.
276 (type_hash_lookup): Use htab functions.
277 (type_hash_add, mark_type_hash): Likewise.
278 (dump_tree_statistics): Call print_type_hash_statistics.
280 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * rs6000/t-aix41: New file.
284 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
286 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
288 * tm.texi (Driver): Fix typos and tweak entry for
290 Move misplaced STRUCT_FORCE_BLK entry ...
291 (Storage Layout): ... to here.
292 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
294 2000-03-19 Richard Henderson <rth@cygnus.com>
296 * flow.c (delete_block): Delete the addr_vec along with the block.
297 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
300 * fold-const.c (extract_muldiv): Apply type check for defined
301 overflow to multiply as well as divide.
303 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
305 2000-03-18 Mark Mitchell <mark@codesourcery.com>
307 * emit-rtl.c (remove_unncessary_notes): Check that all
308 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
309 associated NOTE_BLOCK.
310 * function.h (identify_blocks): Update comments.
311 (reorder_blocks): Declare.
312 * function.c (identify_blocks): Don't take paramters.
313 (reorder_blocks): Don't take parameters.
314 * loop.h (find_loop_tree_blocks): Remove.
315 (unroll_block_trees): Likewise.
316 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
317 reorder_blocks instead of unroll_block_trees.h
318 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
319 * stmt.c (find_loop_tree_blocks): Remove.
320 (unroll_block_trees): Likewise.
321 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
322 in whole-function mode.
323 * tree.h (reorder_blocks): Remove declaration.
325 * expr.c: Include intl.h.
326 * Makefile.in (expr.o): Depend on intl.h.
328 2000-03-18 Richard Henderson <rth@cygnus.com>
330 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
332 2000-03-18 Mark Mitchell <mark@codesourcery.com>
334 * tree.h (tree_index): Remove enumerals for integer types.
335 (integer_type_kind): New type.
336 (integer_types): New variable.
337 (char_type_node): Adjust.
338 (signed_char_type_node): Likewise.
339 (unsigned_char_type_node): Likewise.
340 (short_integer_type_node): Likewise.
341 (short_unsigned_type_node): Likewise.
342 (integer_type_node): Likewise.
343 (unsigned_type_node): Likewise.
344 (long_integer_type_node): Likewise.
345 (long_unsigned_type_node): Likewise.
346 (long_long_integer_type_node): Likewise.
347 (long_long_unsigned_type_node): Likewise.
348 * tree.c (integer_types): New variable.
349 (init_obstacks): Register it as a root.
351 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
353 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
354 NEXT_INSN. Update last insn in chain.
356 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
358 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
359 with TYPE_DECL_SUPPRESS_DEBUG set.
361 2000-03-18 Richard Henderson <rth@cygnus.com>
363 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
365 2000-03-18 Richard Henderson <rth@cygnus.com>
367 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
369 (expander_call_insn_operand): Remove.
370 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
371 * i386.h (PREDICATE_CODES): Update.
372 * i386.md (all call expanders): Remove predicates, remove special
373 handling for half-pic.
374 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
375 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
376 (sibcall_epilogue): New.
378 2000-03-17 Richard Henderson <rth@cygnus.com>
380 * rtlanal.c (single_set): Reject if the parallel has anything
381 except SET or USE or CLOBBER.
383 2000-03-17 Jeff Law <law@cygnus.com>
384 Richard Henderson <rth@cygnus.com>
386 * Makefile.in (OBJS): Add sibcall.o.
388 * sibcall.c: New file.
389 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
390 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
391 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
392 Emit sibcall patterns when requested. Update all callers.
393 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
394 elimination seems feasable.
395 * final.c (leaf_function_p): Sibling calls don't discount being
397 * flow.c (HAVE_sibcall_epilogue): Provide default.
398 (find_basic_blocks_1): Sibling calls don't throw.
399 (make_edges): Make edge from sibling call to EXIT.
400 (propagate_block): Don't remove sibcall_epilogue insns.
401 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
402 (sibcall_epilogue): New.
403 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
404 (identify_blocks_1): Likewise. Break out from ...
405 (identify_blocks): ... here.
406 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
407 (reorder_blocks): ... here.
408 (init_function_for_compilation): Zap prologue/epilogue as varrays.
409 (record_insns): Extend a varray instead of mallocing new memory.
410 (contains): Read a varray not array of ints.
411 (sibcall_epilogue_contains): New.
412 (thread_prologue_and_epilogue_insns): Emit and record
413 sibcall_epilogue patterns.
414 (init_function_once): Allocate prologue/epilogue varrays.
415 * genflags.c (gen_insn): Treat sibcall patterns as calls.
416 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
418 (save_for_inline_nocopy): ... here.
419 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
421 (expand_inline_function): ... here.
422 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
423 (subst_constants): Handle 'n' formats.
424 * jump.c (jump_optimize_minimal): New.
425 (jump_optimize_1): New arg `minimal'; update callers. Elide most
426 optimizations if it's set.
427 * rtl.c (copy_rtx): Do copy jump & call for insns.
428 * rtl.h (struct rtx_def): Document use of jump and call for insns.
429 (SIBLING_CALL_P): New.
430 (sibcall_use_t): New.
431 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
432 Invoke optimize_sibling_and_tail_recursive_calls.
433 * tree.c (lang_safe_for_unsave): New.
434 (safe_for_unsave): New.
435 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
437 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
438 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
439 (*sibcall_osf_1, *sibcall_value_osf_1): New.
441 2000-03-17 Mark Mitchell <mark@codesourcery.com>
443 * objc/objc-act.c (encode_method_prototype): Pass types, not
444 PARM_DECLs, to int_size_in_bytes.
446 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
448 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
450 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
451 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
453 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
455 * Clean up usages of TREE_INT_CST_LOW.
456 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
457 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
459 * c-tree.h (min_precision): Move declaration to here.
460 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
461 (build_unary_op, add_pending_init): Use bit_position.
462 (pending_init_member, process_init_element): Likewise.
463 (really_start_incremental_init, push_init_level, pop_init_level):
464 Don't make copies of nodes or modify them in place, use consistent
465 types when tracking positions, and use tree routines computations.
466 (set_init_index, output_init_element): Likewise.
467 (output_pending_init_elements, process_init_element): Likewise.
468 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
469 tree_low_cst and int_bit_position; also minor cleanup.
470 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
471 (print_cst_octal): Precision is unsigned.
472 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
473 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
474 (simple_type_align_in_bits): Result is unsigned int.
475 Use tree_int_low_cst and host_integerp.
476 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
477 (field_byte_offset): Result is HOST_WIDE_INT.
478 Change types of internal variables so alignments are unsigned int,
479 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
480 Use host_integerp, tree_low_cst, and int_bit_position.
481 (add_bit_offset_attribute): Likewise.
482 (add_data_member_location_attribute): Use tree_cst_low.
483 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
484 (add_bit_size_attribute): Use tree_low_cst.
485 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
486 * dwarfout.c: Similar changes to dwarf2out.c.
487 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
488 * genoutput.c (n_occurences): Return -1 for null string.
489 (strip_whitespace): Accept null string and make into function.
490 (scan_operands): Reflect above changes.
491 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
492 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
493 * ssa.c (rename_registers): Add missing cast of arg to bzero.
494 * tree.c (int_size_in_bytes): Check for too big to represent.
495 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
496 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
498 (min_precision): Delete from here.
499 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
500 and int_bit_position.
501 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
502 (encode_method_def): Likewise.
503 (build_ivar_list_initializer): Use int_bit_position.
504 (generate_shared_structures): Convert size.
505 (encode_type, encode_complete_bitfield): Use integer_zerop.
506 (encode_bitfield): Use tree_low_cst and int_bit_position.
508 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
510 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
512 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
514 * call.c (special_function_p): It is only malloc if it returns
517 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
519 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
520 (C33_FLAG, TARGET_C3X): Add macros.
521 (TARGET_SWITCHES): Add -m33 option.
522 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
524 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
526 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
527 (PARALLEL_PACK_FLAG): Delete.
528 (TARGET_SWITCHES): Update.
529 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
531 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
533 * fold-const.c (fold): Fix a few cases when the returned result
534 is not of the same type as the input.
536 2000-03-16 Nick Clifton <nickc@cygnus.com>
538 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
541 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
543 * libgcc2.h: Move prototypes above macros with the same name.
544 Wrap some function prototypes in the conditional which indicates
545 whether they are supported, i.e. "BITS_PER_UNIT == 8".
547 2000-03-16 Richard Henderson <rth@cygnus.com>
549 * calls.c: Revert last two changes.
551 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
553 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
554 has exponent 0 is a zero.
556 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
557 HASH may already be nonzero. Add code/mode into hash value
558 immediately after repeat label.
559 (cselib_lookup): Don't leave the hash table in an inconsistent
560 state before a hash lookup operation.
562 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
564 * i386.md (all HI and QI mode non-move patterns): Conditionize
565 by TARGET_[HQ]IMODE_MATH.
566 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
567 x86_promote_qi_regs): Declare.
568 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
569 TARGET_PROMOTE_QI_REGS): New macros.
570 (PROMOTE_MODE): New macro.
571 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
572 x86_promote_qi_regs): New global variables.
574 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
576 * calls.c (emit_library_call_value_1): Break out from ...; handle
577 VOIDmode function calls too.
578 (emit_library_call_value): ... here.
579 (emit_library_call): Implement by calling emit_library_call_value_1.
581 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
583 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
584 Update arg_space_so_far on stack adjustments.
585 (emit_library_call, emit_library_call_value): Likewise; take into
586 account arg_space_so_far and pending_stack_adjust when calculcating
589 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
591 * flow.c: Move all basic block reordering code into its own file.
592 (create_basic_block): Externalize.
593 * bb-reorder.c: New file. Copy all basic block reordering code from
595 (reorder_basic_blocks): Fix fencepost error in for-loop.
596 (reorder_basic_blocks): Remove braces from single statement for-loops.
597 * basic-block.h: Add declaration for create_basic_block.
598 * Makefile.in: Add rules for bb-reorder.o.
600 2000-03-16 Neil Booth <NeilB@earthling.net>
602 * cppinit.c (handle_option): Implement #unassert directive
603 as -A- command line option.
604 (print_help): Update.
607 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
609 * md.texi (Standard Names): Document `jump'.
611 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
613 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
616 2000-03-15 Geoff Keating <geoffk@cygnus.com>
618 See the ChangeLog on the branch for more details.
620 * configure.in: Merge in changes from newppc-branch.
621 * configure: Regenerate.
622 * config/rs6000/*: Merge in changes from newppc-branch.
623 Also correct copyright notices.
625 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
627 * acconfig.h (HAVE_GAS_WEAK): New define.
628 * configure.in (assembler weak support): Check for .weak support.
629 * config.in, configure: Rebuilt.
630 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
631 HAVE_GAS_WEAK is defined.
633 2000-03-15 Nick Clifton <nickc@cygnus.com>
635 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
638 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
640 * cppfiles.c (open_include_file): New function.
641 (find_include_file, cpp_read_file): Use it.
643 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
645 * cpphash.c (dump_hash_helper): Take the slot, not the element.
647 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
649 * flow.c (verify_flow_info): Check for unconditional return.
651 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
653 * config/ia64/ia64.md (restore_stack_nonlocal): New.
654 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
655 (__ia64_restore_stack_nonlocal): New.
656 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
658 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
660 * cpphash.c (collect_formal_parameters): Do not complain about
661 parameter names that just start with `__VA_ARGS__'.
663 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
665 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
666 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
667 * i386.c (pentiumpro_cost): Set mul cost to 4.
668 (x86_use_movx): Set for PPro.
670 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
672 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
673 STACK_BOUNDARY for empty frames now.
675 2000-03-14 Mark Mitchell <mark@codesourcery.com>
677 * stor-layout.c (layout_union): Remove.
678 (layout_union_field): New function, split out from layout_union.
679 (finish_union_layout): Likewise.
680 (layout_field): Handle unions by calling layout_union_field.
681 (finish_record_layout): Handle unions.
682 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
683 QUAL_UNION_TYPE handling.
685 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
687 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
688 end of basic block is jump_insn, not barrier; use create_basic_block
689 instead of creating basic block by hand.
691 2000-03-14 Jason Eckhardt <jle@cygnus.com>
693 * flow.c (reorder_basic_blocks): Account for barriers when writing
694 over NEXT_INSN (last_bb->end).
695 (verify_flow_info): Add check for missing barriers.
697 2000-03-14 Greg McGary <gkm@gnu.org>
699 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
700 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
701 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
702 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
703 __unbounded, __unbounded__): New keywords.
704 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
705 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
706 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
708 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
710 * cselib.h: New file.
711 * alias.c: Include "cselib.h".
712 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
713 MEMs as two new arguments.
714 (get_addr): New static function.
715 (find_base_term): Handle VALUEs.
716 (memrefs_conflict_p): Likewise.
717 (true_dependence): Call get_addr on the addresses.
718 Call fixed_scalar_and_varying_struct_p with addresses that have been
719 passed through get_addr and canon_rtx.
720 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
721 with true_dependence.
722 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
723 * loop.c: Include "cselib.h".
724 (load_mems): Process extended basic block that enters the loop with
725 cselib. Use that information to change initialization of the shadow
726 register so that a constant equivalence is seen by later passes.
727 * reload1.c: Include "cselib.h".
728 (reload_cse_invalidate_regno): Delete function.
729 (reload_cse_mem_conflict_p): Likewise.
730 (reload_cse_invalidate_mem): Likewise.
731 (reload_cse_invalidate_rtx): Likewise.
732 (reload_cse_regno_equal_p): Likewise.
733 (reload_cse_check_clobber): Likewise.
734 (reload_cse_record_set): Likewise.
735 (reg_values): Delete static variable.
736 (invalidate_regno_rtx): Likewise.
737 (reload_cse_delete_noop_set): New static function.
738 (reload_cse_simplify): New static function, broken out of
740 (reload_cse_noop_set_p): Delete unused argument INSN.
741 Just call rtx_equal_for_cselib_p on set source and destination.
742 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
743 reload_cse_delete_noop_set. Delete code to keep track of values; use
744 cselib functions instead. Delete code to push/pop obstacks.
745 (reload_cse_simplify_set): Use cselib to find equivalent values.
746 Delete code to push/pop obstacks.
747 (reload_cse_simplify_operands): Likewise.
748 * rtl.def (VALUE): New rtx code.
749 * rtl.h (union rtunion_def): New elt rt_cselib.
750 (X0CSELIB, CSELIB_VAL_PTR): New macros.
751 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
752 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
753 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
754 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
755 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
756 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
757 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
758 cselib_record_set, cselib_record_sets): New static functions.
759 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
760 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
761 references_value_p): New functions.
762 (MAX_USELESS_VALUES, REG_VALUES): New macros.
763 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
764 n_useless_values, reg_values, callmem, cselib_obstack,
765 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
766 New static variables.
767 * varray.h (union varray_data_tag): New elt te.
768 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
769 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
772 2000-03-14 Nick Clifton <nickc@cygnus.com>
774 * gcc.c (do_spec_1): Catch the case where %* is used in a
775 substitution pattern, but it has not been initialised.
776 Issue a meaningful error message if an unrecognised operator
777 is encountered in a spec string.
779 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
781 * function.c (prepare_function_start): Correctly initialize
782 cfun->stack_alignment_needed.
784 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
786 * cppfiles.c (find_include_file): Don't assume nshort is a
789 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
791 * configure.in (hppa configurations): Add pa32-regs.h to the
792 list of tm files as appropriate.
793 * configure: Rebuilt.
794 * pa.c (compute_frame_size): Remove explicit knowledge about FP
796 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
797 (fmpyaddoperands, fmpysuboperands): Likewise.
798 * pa.h: Remove various definitions which depend on knowing
799 how registers are numbered.
800 * pa32-regs.h: New file with PA32 register numbering specific
803 2000-03-14 Richard Henderson <rth@cygnus.com>
805 * regmove.c (combine_stack_adjustments): New.
806 (stack_memref_p, single_set_for_csa): New.
807 (free_csa_memlist, record_one_stack_memref): New.
808 (try_apply_stack_adjustment): New.
809 (combine_stack_adjustments_for_block): New.
810 * rtl.h (combine_stack_adjustments): Declare.
811 * toplev.c (rest_of_compilation): Call it.
813 * i386.md: Revert 2000-01-16 change.
815 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
817 * gccbug.in: Add web category, gcc specific classes.
819 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
821 * stor-layout.c (finalize_record_size): Fix typo.
823 2000-03-14 Stan Shebs <shebs@apple.com>
825 * c-typeck.c (c_alignof): Error on incomplete types.
826 * extend.texi (Alignment): Document this.
828 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
830 * cppfiles.c: Include mkdeps.h.
831 (find_include_file, read_include_file): Remove _cpp_ prefix
832 from name, make static.
833 (_cpp_execute_include): New function, broken out of
836 * cpplib.c: Don't include mkdeps.h.
837 (struct directive): Remove type field. Reorder entries. The
838 function takes only one argument.
839 (struct if_stack): Make type field an int.
840 (directive_table): Rename to dtable. Generate it, the
841 prototypes of the directive handlers, and the enum for the
842 directive numbers, from a template macro.
843 (do_ifndef, do_include_next, do_import): New functions.
844 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
845 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
846 do_ident, do_assert, do_unassert, do_sccs): Take only one
848 (do_sccs): Define always, but alter behavior based on
850 (_cpp_handle_directive, consider_directive_while_skipping):
851 Restructure for new directive table layout.
853 (pass_thru_directive): Take a directive number, not a pointer
854 to a struct directive.
855 (parse_include): New function, broken out of do_include.
856 (do_include, do_import, do_include_next): Use parse_include
857 and _cpp_execute_include.
858 (do_elif, do_else): Test for T_ELSE specifically when checking
859 for #elif/#else after #else.
860 (parse_ifdef): New function, broken out of do_ifdef.
861 (validate_else): Expect a name arg without a leading #.
862 (if_directive_name): Delete.
863 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
864 directive handlers with only one argument.
866 * cpphash.h: Update prototypes.
867 (enum node_type): Remove entries for directives.
868 * Makefile.in: Update dependencies.
870 * cpphash.c (dump_hash_helper): Only dump nodes of type
871 T_MACRO. Emit a newline after each definition.
873 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
875 * gccbug.in: New file.
876 * configure.in (all_outputs): Add gccbug.
877 * Makefile.in (install-common): Install gccbug.
878 (GCCBUG_INSTALL_NAME): New variable.
879 * configure: Rebuilt.
881 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
883 * function.c (put_var_into_stack): Use type_for_mode to calculate
884 part_type. Use MEM_SET_IN_STRUCT_P.
885 * expr.c (store_field): Handle CONCAT.
886 (store_constructor): Use fields_length.
887 * tree.c (fields_length): New fn.
888 * tree.h: Declare it.
890 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
892 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
893 (cpplex.o): New target.
894 * po/POTFILES.in: Add cpplex.c.
896 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
897 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
898 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
899 skip_block_comment, skip_line_comment, skip_comment,
900 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
901 _cpp_parse_name, skip_string, parse_string,
902 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
903 _cpp_get_directive_token, find_position,
904 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
905 (maybe_macroexpand, _cpp_lex_token): New functions.
907 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
908 parse_goto_mark): Delete.
909 (_cpp_handle_eof): New function.
910 (_cpp_handle_directive): Rename from handle_directive.
911 (_cpp_output_line_command): Rename from output_line_command.
912 (do_if, do_elif): Call _cpp_parse_expr directly.
913 * cppfiles.c (_cpp_read_include_file): Don't call
914 init_input_buffer here.
915 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
916 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
917 here; pop the token_buffer and skip the rest of the line here.
918 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
921 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
923 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
924 CPP_GOTO_MARK): New macros.
925 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
926 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
927 _cpp_read_and_prescan, _cpp_init_input_buffer,
928 _cpp_grow_token_buffer, _cpp_get_directive_token,
929 _cpp_handle_directive, _cpp_handle_eof,
930 _cpp_output_line_command): Prototype them here.
931 * cpplib.h (enum cpp_token): Add CPP_MACRO.
932 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
933 quote_string, output_line_command): Remove.
935 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
937 * stmt.c (expand_end_case): RANGE may be signed, and when checking
938 whether it is too large we must also verify that it isn't negative.
940 2000-03-13 Jakub Jelinek <jakub@redhat.com>
942 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
943 (movsi_zero_liveg0): Remove.
944 (movsf_insn_novis_liveg0): Remove.
946 (negsi2_not_liveg0): Rename to negsi2.
947 (one_cmplsi2): Remove.
948 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
949 (one_cmplsi2_liveg0): Remove.
950 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
951 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
952 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
953 (PREDICATE_CODES): Remove zero_operand.
954 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
955 TARGET_BROKEN_SAVERESTORE.
956 (zero_operand): Remove.
957 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
958 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
960 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
961 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
962 TARGET_BROKEN_SAVERESTORE): Remove.
963 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
965 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
967 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
970 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
972 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
974 * cpplib.c (do_pragma_implementation): Fix off-by-one error
975 truncating a string. Don't assume tokens are nul terminated.
976 Problem noted by Andreas Jaeger <aj@suse.de>
978 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
980 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
981 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
982 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
984 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
986 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
987 STRUCTURE_SIZE_BOUNDARY.
989 2000-03-13 Mark Mitchell <mark@codesourcery.com>
991 * tree.h (record_layout_info_s): New structure.
992 (record_layout_info): New type.
993 (new_record_layout_info): New function.
994 (layout_field): Likewise.
995 (finish_record_layout): Likewise.
996 * stor-layout.c (layout_record): Remove.
997 (new_record_layout_info): New function.
998 (layout_field): New function, broken out from layout_record.
999 (finalize_record_size): Likewise.
1000 (compute_record_mode): Likewise.
1001 (finalize_type_size): New function, broken out from layout_type.
1002 (finish_record_layout): Likewise.
1003 (layout_type): Use them.
1005 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
1007 * cpphash.c: Don't include version.h.
1008 (special_symbol) [case T_VERSION]: Look for the string in
1009 hp->value.cpval; don't use version_string.
1010 * cppinit.c (initialize_builtins): Set hp->value.cpval for
1011 __VERSION__ to version_string.
1012 * Makefile.in (cpphash.o): Update deps.
1014 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
1016 Convert cpplib to use libiberty/hashtab.c.
1018 * cpplib.h (struct cpp_reader): Make hashtab and
1019 all_include_files of type 'struct htab *'. Delete HASHSIZE
1020 and ALL_INCLUDE_HASHSIZE macros.
1022 * cpphash.h: Update prototypes.
1023 (struct hashnode): Remove next, prev, and bucket_hdr members.
1024 Make length a size_t. Add hash member.
1025 (struct ihash): Remove next member. Add hash member. Make
1026 name a flexible array member.
1028 * cppfiles.c: Include hashtab.h.
1029 (include_hash): Delete.
1030 (IHASHSIZE): New macro.
1031 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
1032 (cpp_included): Do the hash lookup here.
1033 (_cpp_find_include_file): Rewrite.
1034 (cpp_read_file): Put the "fake" hash entry into the hash
1035 table. Honor the control_macro, if it turns out we've seen
1036 the file before. Don't push the buffer here.
1037 (_cpp_read_include_file): Push the buffer here.
1038 (OMODES): New macro. Use it whenever we call open(2).
1040 * cpphash.c: Include hashtab.h.
1041 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
1042 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
1043 _cpp_lookup_slot): New functions.
1044 (HASHSIZE): new macro.
1045 (hashf, _cpp_install, _cpp_delete_macro): Delete.
1046 (_cpp_lookup): Use hashtab.h routines.
1048 * cppinit.c: Include hashtab.h.
1049 (cpp_reader_init): Call _cpp_init_macro_hash and
1050 _cpp_init_include_hash. Don't allocate hashtab directly.
1051 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
1052 pfile->all_include_files.
1053 (initialize_builtins): Use _cpp_make_hashnode and
1054 htab_find_slot to add hash entries.
1055 (cpp_finish): Just call _cpp_dump_macro_hash.
1056 * cpplib.c: Include hashtab.h.
1057 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
1058 create hash entries.
1059 (do_pragma_poison, do_assert): Likewise.
1060 (do_include): Don't push the buffer here. Don't increment
1061 system_include_depth unless _cpp_read_include_file succeeds.
1062 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
1064 (do_pragma_implementation): Use alloca to create copy.
1066 * Makefile.in: Update dependencies.
1068 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1070 * cppinit.c (cl_directive_handler): More K&R fixing.
1072 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
1074 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
1076 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
1078 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
1081 Change from char[] to macros.
1083 2000-03-12 Neil Booth <NeilB@earthling.net>
1085 * cppinit.c (cpp_start_read): Update indirect function
1088 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
1090 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
1093 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
1094 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
1096 2000-03-11 Neil Booth <NeilB@earthling.net>
1098 * cppinit.c (struct pending option): Replace undef with a
1099 pointer to a directive handling routine.
1100 (struct cpp_pending): Replace separate assert_ and define_
1101 lists with one directive_ list.
1102 (new_pending_define): Rename new_pending_directive. Extra
1103 argument is the directive's handling routine.
1104 (handle_option): Update to use new_pending_directive.
1106 2000-03-11 Neil Booth <NeilB@earthling.net>
1108 * cppfiles.c (file_cleanup, _cpp_find_include_file,
1109 remap_filename, _cpp_read_include_file, actual_directory,
1110 hack_vms_include_specification): Replace bcopy(), index() etc
1111 calls. Add casts to some allocations. Make some variables
1112 pointers to const [unsigned] char.
1113 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
1114 collect_formal_parameters): Similarly.
1115 * cppinit.c (struct pending_option, append_include_chain,
1116 cpp_options_init, cpp_reader_init, initialize_standard_includes,
1117 cpp_start_read, new_pending_define, handle_option): Similarly.
1118 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
1119 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
1120 do_pragma_implementation, detect_if_not_defined,
1121 do_ifdef, skip_if_group, cpp_get_token, parse_string,
1122 do_assert, do_unassert): Similarly.
1123 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
1124 function prototypes.
1125 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
1127 2000-03-10 Richard Henderson <rth@cygnus.com>
1129 * builtins.c (expand_builtin_strlen): Revert last change.
1130 Use emit_insn_before if we're at the beginning of a sequence.
1132 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
1134 * builtins.c (expand_builtin_strlen): Make sure that we have something
1135 at the beginning of the sequence.
1137 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
1140 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
1142 2000-03-10 Richard Henderson <rth@cygnus.com>
1144 * except.c (can_throw): Use INTVAL on a CONST_INT.
1145 (reachable_handlers): Likewise.
1146 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
1148 2000-03-10 Andreas Jaeger <aj@suse.de>
1150 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
1151 MD_STARTFILE_PREFIX since those are not needed on linux.
1152 (ASM_FILE_START): New, from mips/gnu.h.
1154 2000-03-09 Richard Henderson <rth@cygnus.com>
1155 Alex Samuel <samuel@codesourcery.com> and others
1157 * Makefile.in (ssa.o): New rule.
1159 (STAGESTUFF): Add *.ssa and *.ussa.
1160 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
1161 * rtl.def (PHI): New RTL expression.
1162 * rtl.h (clear_log_links): New declaration.
1163 (convert_to_ssa): Likewise.
1164 (convert_from_ssa): Likewise.
1165 * flow.c (split_edge): If the entry node falls through to the
1166 split edge's source block, split the entry edge.
1167 (clear_log_links): New function.
1168 * toplev.c (ssa_dump): New variable.
1169 (flag_ssa): Likewise.
1170 (f_options): Add "ssa".
1171 (compile_file): Create SSA dump files.
1172 (rest_of_compilation): Go to and from SSA if enabled.
1173 (decide_d_option): Handle -de for SSA dump files.
1176 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
1178 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
1181 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
1183 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
1185 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
1187 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
1188 (MD_STARTFILE_PREFIX_1): New macro.
1190 2000-03-09 Robert Lipe <robertl@sco.com>
1192 * config/ia64/ia64.c: Include system.h.
1194 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
1196 * except.c (nothrow_function_p): If -fno-exceptions, just return.
1197 (init_eh_nesting_info): Likewise.
1199 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
1200 (TREE_NOTHROW): Rename from TREE_RAISES.
1201 * toplev.c (rest_of_compilation): Set it.
1202 * print-tree.c (print_node): Adjust.
1203 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
1204 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
1205 * calls.c (emit_call_1): Add 'nothrow' parm. Add
1206 REG_EH_REGION note as appropriate.
1207 (libfunc_nothrow): New fn.
1208 (emit_library_call, emit_library_call_value): Use it.
1209 (expand_call): Check TREE_NOTHROW.
1211 * varasm.c (make_decl_rtl): Skip initial '*' when setting
1212 DECL_ASSEMBLER_NAME.
1214 2000-03-09 Andreas Jaeger <aj@suse.de>
1216 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
1217 (TARGET_MEM_FUNCTIONS): Define.
1219 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
1221 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
1223 * except.c (can_throw): See through a SEQUENCE.
1224 (nothrow_function_p): New fn.
1225 * except.h: Declare it.
1226 * function.c (current_function_nothrow): New var.
1227 (prepare_function_start): Initialize it.
1228 * output.h: Declare it.
1229 * toplev.c (rest_of_compilation): Set it.
1230 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
1232 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
1234 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
1235 match. (cpp_compare_defs): Count the nul separator when
1236 advancing over argument names.
1238 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
1240 * recog.c (preprocess_constraints): Matching constraints affect
1241 same alternative/different operand, not same operand/different
1244 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
1245 register and a constant specially.
1247 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1249 * libgcc2.h: New file.
1250 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
1252 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
1254 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
1255 * configure: Regenerate.
1258 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1260 * Makefile.in (LIBCPP_DEPS): New macro.
1261 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
1263 * cpperror.c: Include cpphash.h.
1264 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
1266 (lex): Don't use CPP_WARN_UNDEF.
1267 (_cpp_parse_expr): Return an int, the truth value.
1268 * cppfiles.c: Include cpphash.h.
1269 (_cpp_merge_include_chains): Move to cppinit.c and make static.
1270 * cppinit.c (include_defaults_array): Disentangle.
1271 (cpp_cleanup): Don't free the if stack here.
1272 (cpp_finish): Pop off all buffers, not just one.
1273 * cpplib.c (eval_if_expr): Return int.
1274 (do_xifdef): Rename do_ifdef.
1275 (handle_directive): Don't use CPP_PREPROCESSED.
1276 (cpp_get_token): Don't use CPP_C89.
1277 * fix-header.c: Don't use CPP_OPTIONS.
1279 * cpplib.h: Move U_CHAR, enum node_type, struct
1280 file_name_list, struct ihash, is_idchar, is_idstart,
1281 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
1282 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
1283 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
1284 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
1285 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
1286 of _cpp_simplify_pathname, _cpp_find_include_file,
1287 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
1288 Move struct if_stack to cpplib.c. Move struct cpp_pending to
1290 Change all uses of U_CHAR to be unsigned char instead.
1291 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
1293 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1295 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
1296 (dwarf2out_begin_prologue): Set it.
1297 (output_call_frame_info): Don't emit EH unwind info for leaves.
1299 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
1300 can occur outside of an EH region.
1301 * except.c: Correct comments about rethrow behavior.
1302 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
1304 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
1306 * flow.c (make_edges): Always call make_eh_edge for calls.
1308 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1310 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
1311 (struct cpp_buffer): Remove fname and underflow fields.
1312 (struct cpp_reader): Remove get_token field.
1313 (struct include_hash): Rename to struct ihash. Add typedef to
1315 (struct if_stack): Remove fname field.
1316 (IF_STACK_FRAME): Rename to IF_STACK.
1318 * cpperror.c (print_containing_files): Trust that there are no
1319 macro buffers below the top file buffer.
1320 * cppfiles.c: Replace all references to 'struct include_hash'
1321 with 'IHASH'. Rename initialize_input_buffer to
1322 init_input_buffer. Don't set or reference cpp_buffer->fname,
1323 use buffer->ihash->name instead.
1324 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
1325 not CPP_NULL_BUFFER.
1326 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
1327 IF_STACK_FRAME, IHASH not struct include_hash.
1328 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
1329 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
1330 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
1331 references to cpp_buffer->fname (delete entirely, or use
1332 ->ihash->name instead) and IF_STACK->fname.
1333 (cpp_push_buffer): Don't set new->underflow.
1334 (do_include): Use cpp_file_buffer.
1336 * cpphash.c (collect_formal_parameters): Remove duplicate
1337 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
1338 used as a macro argument name. Don't append "..." to namebuf
1339 for varargs macros. After we're done scanning, go through
1340 namebuf and make it NUL separated, not comma separated.
1341 (_cpp_compare_defs): Remove register tag from variables.
1342 Expect defn->argnames to be NUL separated.
1343 (_cpp_dump_definition): Expect defn->argnames to be NUL
1344 separated and in forward order.
1345 * cpphash.h: Update documentation of argnames field.
1347 2000-03-08 Richard Henderson <rth@cygnus.com>
1349 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
1350 to fail. Don't pre-expand the source operand.
1352 * i386.md (strlensi): Initialize eoschar and align before use.
1354 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1356 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
1357 CONSTRUCTOR element.
1359 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1361 * mips.c (mips_expand_prologue): If the last
1362 named argument is the vararg marker "va_list", treat it as
1363 an unnamed argument.
1365 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
1367 * dbxout.c (dbxout_parms): When correcting for promoted
1368 big-endian parameters, use the mode of the DECL_RTL rather
1369 than UNITS_PER_WORD.
1371 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
1373 * c-common.h (make_fname_decl): Declare.
1374 * c-common.c (make_fname_decl): Define.
1375 (declare_hidden_char_array): Remove.
1376 (declare_function_name): Use make_fname_decl.
1377 * c-decl.c (c_make_fname_decl): New function.
1378 (init_decl_processing): Set make_fname_decl.
1380 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
1382 * cccp.c (handle_directive): Initialize backslash_newlines_p.
1384 2000-03-07 Philipp Thomas <pthomas@suse.de>
1386 * po/POTFILES.in: Remove cppalloc.c from file list.
1388 2000-03-07 Steve Chamberlain <sac@pobox.com>
1390 * pj.c (pj_expand_prologue): current_function->args_info is
1391 now current_function_args_info.
1393 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
1394 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
1395 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
1397 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1399 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
1400 output as hexadecimal rather than the default octal.
1402 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1404 * cpphash.c (special_symbol): Fix thinko in previous commit.
1406 2000-03-07 Neil Booth <NeilB@earthling.net>
1408 * cppexp.c (struct operation, left_shift, right_shift,
1409 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
1410 "int"s to "unsigned int"s.
1411 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
1413 * cpplib.h: Update for above.
1414 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
1415 returned from allocations.
1417 * cppinit.c (opt_comp, parse_options): New functions.
1418 (handle_option): Use parse_option to parse a single command
1419 line option, that possibly takes an argument.
1420 (cpp_handle_options): Sort the array of command line options on
1421 first invocation (non-ASCII hosts only).
1422 (print_help): Update.
1424 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1426 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
1427 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
1429 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
1431 * cppinit.c (cpp_cleanup): Free imp->nshort also.
1433 * cpperror.c (cpp_print_containing_files,
1434 cpp_print_file_and_line, v_cpp_message): Rename to
1435 print_containing_files, print_file_and_line, and v_message.
1436 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
1437 to _cpp_parse_expr, parse_escape, and lex.
1438 (parse_charconst): Remove broken multibyte support.
1439 * cppfiles.c (include_hash): Make static.
1440 (cpp_included): New function.
1441 (merge_include_chains, find_include_file, finclude,
1442 simplify_pathname): Rename to _cpp_merge_include_chains,
1443 _cpp_find_include_file, _cpp_read_include_file, and
1444 _cpp_simplify_pathname.
1445 * cpphash.c (cpp_lookup, free_definition, delete_macro,
1446 cpp_install, create_definition, macroexpand, compare_defs,
1447 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
1448 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
1449 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
1450 * cppinit.c (cpp_handle_option): Rename to handle_option, make
1452 * cpplib.c: Remove extern prototype of cpp_parse_expr.
1454 * cpphash.h: Update prototypes.
1455 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
1457 2000-03-07 Andrew Haley <aph@cygnus.com>
1459 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
1460 PTRDIFF_TYPE should be based solely on Pmode.
1463 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1465 * rtl.h (rtunion_def): Constify member `rtstr'.
1466 (emit_line_note_after, emit_line_note, emit_line_note_force,
1467 emit_note, decode_asm_operands): Constify.
1469 * cse.c (canon_hash): Likewise.
1471 * dbxout.c (dbxout_block): Likewise.
1473 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
1474 v_warning_for_asm): Likewise.
1476 * dwarfout.c (function_start_label): Likewise.
1478 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
1479 emit_line_note_force): Likewise.
1481 * final.c (last_filename, asm_insn_count, final_scan_insn,
1482 output_source_line): Likewise.
1484 * function.h (struct emit_status): Likewise.
1486 * gcse.c (hash_expr_1): Likewise.
1488 * genattr.c (gen_attr, main): Likewise.
1490 * genattrtab.c (struct function_unit, current_alternative_string,
1491 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
1492 attr_numeral, check_attr_test, check_attr_value,
1493 convert_set_attr_alternative, convert_set_attr,
1494 compute_alternative_mask, simplify_by_exploding, gen_attr,
1495 gen_unit): Likewise.
1497 * genflags.c (gen_insn): Likewise.
1499 * gengenrtl.c (type_from_format): Likewise.
1501 * genopinit.c (gen_insn): Likewise.
1503 * genoutput.c (n_occurrences, process_template, process_template):
1506 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1509 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1512 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
1513 ggc_set_mark, ggc_get_size): Likewise.
1515 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
1517 * optabs.c (init_one_libfunc): Likewise.
1519 * output.h (assemble_start_function): Likewise.
1521 * recog.c (decode_asm_operands): Likewise.
1523 * toplev.c (rest_of_compilation): Likewise.
1525 * tree.h (emit_line_note_after, emit_line_note,
1526 emit_line_note_force): Likewise.
1528 * varasm.c (asm_output_bss, asm_output_aligned_bss,
1529 asm_emit_uninitialised, assemble_start_function,
1530 assemble_variable, const_hash, compare_constant_1,
1531 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
1533 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
1535 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
1537 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
1539 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1541 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1542 arm_dllimport_name_p): Likewise.
1544 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1547 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1549 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1551 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1552 arm_mark_dllexport, arm_mark_dllimport,
1553 arm_pe_encode_section_info): Likewise.
1555 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1556 ASM_FINISH_DECLARE_OBJECT): Likewise.
1558 * arm/thumb.c (thumb_function_prologue): Likewise.
1560 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1562 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1564 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1566 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1568 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1570 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1572 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1573 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1575 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1577 * i386/i386.c (asm_output_function_prefix): Likewise.
1579 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1581 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1583 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1585 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1586 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1587 ASM_OUTPUT_SECTION_NAME): Likewise.
1589 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1591 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1593 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1595 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1597 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1599 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1601 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1603 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1605 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1607 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1609 * mips/mips.md (movdi, movsi): Likewise.
1611 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1613 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1615 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1617 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1618 ASM_OUTPUT_ASCII): Likewise.
1620 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1621 output_mi_thunk, output_toc): Likewise.
1623 * rs6000/rs6000.md (movsi): Likewise.
1625 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1627 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1629 * v850/v850.c (print_operand, print_operand_address,
1630 v850_encode_data_area): Likewise.
1632 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1634 * config/mips/mips.md (zero_extendsidi2): Always force operand
1635 one to memory for mips16.
1637 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1639 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1640 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1641 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1642 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1643 (min_precision): Result is unsigned.
1644 (add_double, neg_double, mul_double): Low word is unsigned.
1645 (lshift_double, rshift_double, lrotate_double): Likewise.
1646 (rrotate_double, div_and_round_double): Likewise.
1647 (tree_floor_log2, compare_tree_int): New functions.
1648 (preserve_rtl_expr_temps): New declaration.
1649 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1650 (decl_attributes): Use tree_log2 to find alignment.
1651 Check for TREE_INT_CST_HIGH for format args.
1652 (min_precision): Now unsigned.
1653 Use tree_floor_log2.
1654 (truthvalue_conversion): Delete long-disabled code.
1655 * c-decl.c (finish_struct): Clean up tests on field width.
1656 (finish_function): Use compare_tree_int.
1657 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1658 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1659 (default_conversion, digest_init): Use compare_tree_int.
1660 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1661 Fix type errors in forming masks.
1662 * calls.c (initialize_argument_information): Use compare_tree_int.
1663 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1664 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1665 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1666 (store_field): Use compare_tree_int.
1667 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1668 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1669 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1670 (do_store_flag): Use compare_tree_int.
1671 * fold-const.c (encode, decode): Low part is always unsigned.
1672 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1673 (lshift_double, rshift_double, lrotate_double): Likewise.
1674 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1675 (fold_convert): Use compare_tree_int.
1676 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1677 (invert_truthvalue, case INTEGER_CST): Likewise.
1678 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1679 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1680 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1681 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1683 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1684 (expand_end_case): Use compare_tree_int.
1685 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1686 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1687 (layout_decl): Likewise.
1688 (layout_record, layout_union): Make sizes unsigned.
1689 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1690 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1691 * tree.c (struct type_hash): hashcode is unsigned.
1692 (build_type_attribute_variant, type_hash_list): Likewise.
1693 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1694 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1695 (build_complex_type): Likewise.
1696 (real_value_from_int_cst): Remove unneeded casts.
1697 (integer_all_onesp): Add casts.
1698 (tree_floor_log2, compare_tree_int): New functions.
1699 (build_index_type): Use tree_int_cst_sgn.
1700 * varasm.c (assemble_variable): Use compare_tree_int.
1702 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1704 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1706 * varasm.c (make_decl_rtl): Don't add a number to members of
1708 (make_function_rtl): Likewise.
1710 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1712 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1713 patch from 2000-01-28.
1715 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1717 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1718 filled with an insn from the jump target.
1720 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1722 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1723 (c4x_external_ref): Likewise.
1724 * config/c4x/c4x.c (struct name_list): Likewise.
1726 1999-12-16 Ben Collins <bcollins@debian.org>
1728 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1729 argument to genmultilib.
1730 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1731 the contents into the multilib.h header.
1732 * gcc.c: Declare multilib_exclusions for the specs file.
1733 (set_multilib_dir): Use it.
1734 (print_multilib_info): Likewise.
1735 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1736 to pass to genmultilib.
1738 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * builtins.c (built_in_class_names, built_in_names): Constify a
1743 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1745 (_mcleanup): Ensure value matches format specifier in sprintf.
1747 * cpphash.c (special_symbol): Don't needlessly cast away
1750 * cppinit.c (base_name): Delete unused prototype.
1752 * mkdeps.c (deps_init): Make definition K&R safe.
1754 * tree.h (built_in_class_names, built_in_names): Constify a
1757 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1759 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1760 floating point instructions for epilogue delay.
1762 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1763 to gas if it supports .register pseudo.
1765 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1766 LONG_DOUBLE_TYPE_SIZE if not defined.
1767 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1768 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1770 * gengenrtl.c: Likewise.
1771 * print-rtl.c: Likewise.
1773 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1774 MASK_LONG_DOUBLE_128.
1775 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1776 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1777 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1778 (SUBTARGET_SWITCHES): Define.
1779 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1780 with -mlong-double-128.
1781 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1782 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1783 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1784 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1785 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1786 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1787 with -mlong-double-128.
1788 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1789 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1790 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1791 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1792 TARGET_LONG_DOUBLE_128): Define.
1793 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1794 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1795 long double on TARGET_ARCH64.
1797 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1799 * function.c (free_temps_for_rtl_expr): Don't free slots
1800 that have been pushed into a higher level.
1803 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1805 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1807 * basic-block.h (ALLOCA_REG_SET): Remove.
1808 (INITIALIZE_REG_SET): New macro.
1809 * flow.c (update_life_info): Use it.
1810 (calculate_global_regs_live): Likewise.
1811 (propagate_block): Likewise.
1812 * global.c (build_insn_chain): Likewise.
1813 * haifa-sched.c (schedule_region): Likewise.
1815 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1817 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1818 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1819 (DWARF_ARANGES_PAD_SIZE): New define.
1820 (output_aranges): Use it to pad the address range header.
1821 (DWARF_ROUND): Fix for non power of 2 rounding.
1823 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1825 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1827 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1829 * tree.def (RTL_EXPR): Update documentation.
1830 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1831 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1832 * function.c (preserve_rtl_expr_temp): New function.
1833 (preserve_rtl_expr_temps): Likewise.
1834 (preserve_rtl_expr_result): Use it.
1837 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1839 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1841 * regmove.c (copy_src_to_dest) Do not create src->dest move
1842 for unchanging destination.
1844 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1846 * function.h (struct sequence_stack): Remove rtl_expr.
1847 (struct emit_staus): Likewise.
1848 (seq_rtl_expr): Remove.
1849 * tree.h (free_temps_for_rtl_expr): Don't declare.
1850 (start_sequence_for_rtl_expr): Likewise.
1851 * rtl.h (preserve_rtl_expr_result): Likewise.
1852 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1853 (start_sequence_for_rtl_expr): Remove.
1854 (push_topmost_sequence): Don't save sequence_rtl_expr.
1855 (pop_topmost_sequence): Remove comment about not restoring it.
1856 (end_sequence): Don't set seq_rtl_expr.
1857 (init_emit): Don't initialize it.
1858 (mark_sequence_stack): Don't mark it.
1859 (mark_emit_status): Likewise.
1860 * except.c (protect_with_terminate): Use
1861 start_sequence_for_rtl_expr, not start_sequence.
1862 * expr.c (expand_expr, case RTL_EXPR): Don't call
1863 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1864 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1865 (preserve_rtl_expr_result): Remove.
1866 (free_temps_for_rtl_expr): Likewise.
1867 (pop_temp_slots): Likewise.
1868 (mark_temp_slot): Don't mark the rtl_expr.
1869 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1870 start_sequence_for_rtl_expr.
1872 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1874 * mkdeps.c, mkdeps.h: New files.
1875 * po/POTFILES.in: Add them.
1876 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1877 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1878 (mkdeps.o): New target.
1880 * cppfiles.c: Delete deps_output.
1881 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1882 OBJECT_SUFFIX, and base_name.
1883 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1885 (initialize_dependency_output): Use deps_init,
1886 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1887 all the unnecessary string bashing.
1888 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1890 * cpplib.c (do_include): Use deps_add_dep.
1891 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1892 deps_allocated_size, deps_size, deps_column members with
1893 single pointer to a struct deps. Delete prototype of
1896 * cppinit.c: Fix thinko in previous patch.
1898 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1900 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1901 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1902 (mode_for_size_tree): New function.
1903 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1904 * tree.h (mode_for_size_tree): New declaration.
1906 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1908 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1910 * stmt.c (is_body_block): Move...
1911 * dwarfout.c, dwarf2out.c: ...from here.
1912 * tree.h: Declare it.
1913 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1914 * final.c (final_start_function): Do call remove_unnecessary_notes
1917 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1919 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1921 * cpplib.h (_dollar_ok): New macro.
1922 (is_idchar, is_idstart): Use it.
1923 (IStable): Rename to _cpp_IStable. Declare it const if
1924 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1925 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1926 is_space): Update for renamed IStable.
1928 * cppinit.c: Delete all references to FAKE_CONST and CAT
1929 macros. Define init_IStable as empty macro if gcc >=2.7 or
1930 C99. Change TABLE() to ISTABLE and hardcode name of table.
1931 (cpp_start_read): Don't change the IStable based on
1934 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1935 changed. Handle '$' for char1 correctly.
1936 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1938 * cppexp.c (tokentab2): Make const.
1939 (cpp_lex): Make toktab const.
1940 * cppinit.c (include_defaults_array): Make const.
1941 (initialize_standard_includes): Make default_include const.
1943 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1945 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1946 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1947 (gen_decl_die): Likewise.
1948 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1949 (output_decl): Likewise.
1951 * varasm.c (make_function_rtl): If we change the name used in the
1952 rtl, update DECL_ASSEMBLER_NAME accordingly.
1953 (make_decl_rtl): Likewise.
1955 * toplev.c (rest_of_compilation): Tweak formatting.
1957 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1958 remove_unnecessary_notes.
1959 (debug_ignore_block): New fn.
1960 * toplev.h: Declare it.
1961 * emit-rtl.c (remove_unncessary_notes): Call it.
1962 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1963 * dwarf2out.h: Declare it.
1964 * final.c (final_start_function): Don't call remove_unnecessary_notes
1965 if we did insn scheduling.
1967 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1969 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1970 * cpplib.h: Delete SET_CPP_PEDANTIC.
1972 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1974 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1975 result is a RECORD_TYPE.
1977 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1979 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1981 2000-03-03 Richard Henderson <rth@cygnus.com>
1983 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1984 addition over compliments over shifts.
1986 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1988 * reload1.c (reload_combine_note_use): Handle return register USEs.
1989 REG case: Handle multi-hard-register hard regs.
1991 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1993 * md.texi: Document use of '*' in insn pattern name.
1995 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1997 * calls.c (special_function_p): operator new may not be malloc-like.
1999 * gcse.c (dump_hash_table): Really fix error in last change.
2001 2000-03-02 Denis Chertykov <denisc@overta.ru>
2003 * avr.c (print_operand): Use print_operand_address instead of
2005 * avr/libgcc.S: Cleanup code.
2007 2000-03-02 Richard Henderson <rth@cygnus.com>
2009 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
2011 2000-03-02 Mark Mitchell <mark@codesourcery.com>
2013 * tree.h (TYPE_ALIGN_UNIT): New macro.
2015 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
2017 * i386.c: (constant_call_address_operand): Reject CONST_INT.
2019 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
2021 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
2023 (SET_CPP_PEDANTIC): New macro.
2024 * cpplib.c (do_include): Don't bother checking system_header_p.
2025 (do_warning, do_ident, do_assert, do_unassert): Likewise.
2026 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
2028 * function.h (struct expr_status): Add x_arg_space_so_far.
2029 (arg_space_so_far): New macro.
2030 * expr.c (init_expr): Initialize it.
2031 * calls.c (emit_call_1): Reset it.
2032 (compute_argument_block_size, expand_call): Use it.
2033 (expand_call, store_one_arg): Increment it.
2035 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2037 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
2040 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
2042 * cppfiles.c (cpp_read_file): New function.
2044 * cpphash.c (collect_expansion): Make sure to reset last_token
2045 to NORM when we hit a string. Handle trailing whitespace
2046 properly when the expansion is empty.
2047 (create_definition): Disable line commands while parsing the
2049 (dump_definition): If pfile->lineno == 0, output a line
2050 command ahead of the dump, and add a trailing newline.
2052 * cppinit.c (append_include_chain): Add fifth argument, which
2053 indicates whether or not system headers are C++ aware.
2054 (initialize_standard_includes): New function,
2055 broken out of read_and_prescan. Pass 'cxx_aware' value from
2056 the include_defaults_array on to append_include_chain.
2057 (dump_special_to_buffer): Const-ify char array.
2058 (builtin_array): Don't dump __BASE_FILE__.
2059 (cpp_start_read): Use cpp_read_file. Reorder code for
2060 clarity. Don't output line commands here for -D/-A/-U
2061 switches. Don't call deps_output for files included with
2062 -include or -imacros.
2064 * cpplib.c (do_define): Don't pay any attention to the second
2066 (cpp_expand_to_buffer): Disable line commands while scanning.
2067 (output_line_command): Work in the file buffer.
2068 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
2069 Fix formatting of comments. Prototype cpp_read_file.
2071 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2073 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
2074 reference the language-equivalent of sizetype.
2075 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
2076 * fold-const.c (size_binop, size_diffop): Put back checks.
2077 * gcse.c (dump_hash_table): Fix minor error in last change.
2078 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
2079 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
2082 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
2084 * calls.c (expand_call) Do not attempt to combine stack adjustments
2085 with inhibit_defer_pop set.
2087 2000-03-01 Mark Mitchell <mark@codesourcery.com>
2089 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
2090 the DECL_SIZE for a FIELD_DECL.
2092 2000-03-01 Bruce Korb <bkorb@gnu.org>
2094 * fixinc/inclhack.tpl: remove unused symlinks
2095 * fixinc/README: GCC Maintainer info
2096 * fixinc/inclhack.sh: regen
2097 * fixinc/fixincl.sh: regen
2099 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
2101 * cpphash.c (collect_expansion): Trim trailing white space
2102 from macro definitions, but don't go past the last insertion
2105 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
2107 * i386.md (mulqi3): New pattern.
2109 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
2111 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
2113 (struct cpp_reader): Add parsing_if_directive and
2114 parsing_define_directive flags.
2115 (struct cpp_options): Remove output_conditionals flag.
2116 (check_macro_name): Delete prototype.
2118 * cpphash.h (struct macrodef): Delete.
2119 (struct reflist): Separate from struct definition.
2120 (struct definition): Remove unused fields. Add column number.
2121 (create_definition): Returns a DEFINITION *. Takes a
2122 cpp_reader * and an int.
2124 * cpphash.c (SKIP_WHITE_SPACE): Delete.
2125 (PEEKC): Copy defn from cpplib.c.
2126 (rest_extension, REST_EXTENSION_LENGTH): Delete.
2128 (struct arglist): Simplify.
2129 (collect_expansion): Rewrite. Get tokens by calling
2130 cpp_get_token. Add more error checking.
2131 (collect_formal_parameters): New function, broken out of
2132 create_definition and reworked to use get_directive_token.
2133 (create_definition): All real work is now in collect_expansion
2134 and collect_formal_parameters. do_define handles finding the
2135 macro name. Return a DEFINITION, not a MACRODEF.
2136 (macroexpand): Replace bcopy with memcpy throughout. Replace
2137 character-at-a-time copy loop with memcpy and pointer increments.
2138 (compare-defs): d1->argnames / d2->argnames might be null.
2140 * cpplib.c (copy_rest_of_line): Delete function.
2141 (skip_rest_of_line): Do all the work ourselves.
2142 (skip_string): New function.
2143 (parse_string): Use skip_string.
2144 (get_macro_name): New function.
2145 (check_macro_name): Delete.
2146 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
2147 (cpp_skip_hspace): Use CPP_BUMP_LINE.
2148 (handle_directive): ICE if we're called on a macro buffer.
2149 (do_define): Determine macro name and type (funlike/objlike)
2150 here. Expunge all uses of MACRODEF.
2151 (cpp_push_buffer): Set line_base to NULL.
2152 (do_undef, read_line_number): Don't worry about getting a POP token.
2153 (eval_if_expression): Set/reset parsing_if_directive around
2154 cpp_parse_expr. Don't clear only_seen_white.
2155 (skip_if_group): Remove output_conditionals logic. Use
2157 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
2158 tokens under appropriate conditions.
2159 (cpp_unassert): Call do_unassert not do_assert. Oops.
2161 * cppexp.c (parse_defined): New function, break out of
2163 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
2164 ourselves, with cpp_defined.
2165 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
2167 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
2168 * gcc.dg/strpaste-2.c: New.
2170 2000-02-29 Mark Mitchell <mark@codesourcery.com>
2172 * fold-const.c (size_binop): Don't asert inputs are the same and
2173 have TYPE_IS_SIZETYPE set.
2174 (size_diffop): Likewise.
2176 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
2178 * dwarfout.c (output_block): Output abstract blocks even if they
2179 don't have TREE_ASM_WRITTEN set.
2181 * calls.c (emit_library_call): Check for null REG.
2183 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
2185 * c-decl.c (current_function_decl): Move to toplev.c.
2186 (init_decl_processing): Don't add current_function_decl as a ggc
2188 * dbxout.c (dbxout_symbol): Change return type to int.
2189 (dbxout_symbol_location, dbxout_syms): Likewise.
2190 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
2191 any locals. Use current_function_func_begin_label if set.
2192 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
2193 * dwarf2out.c (dwarf2out_begin_prologue): Set
2194 current_function_func_begin_label.
2195 * final.c (final_start_function): Reset it.
2196 * toplev.c (current_function_decl): Define it here.
2197 (current_function_func_begin_label): New variable.
2198 (main): Add both as ggc roots.
2199 * tree.h (current_function_func_begin_label): Declare.
2201 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2203 * gcse.c: Cleanups throughout: mostly white-space, but also
2204 some minor rearrangement of code.
2206 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
2208 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
2209 returns a PARALLEL. Use emit_group_load and use_group_regs
2211 (emit_library_call_value): Similarly.
2213 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
2214 * pa/quadlib.asm: Remove.
2215 * pa/quadlib.c: New file.
2217 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
2218 * configure: Rebuilt.
2220 2000-02-29 Philip Blundell <pb@futuretv.com>
2222 * config/arm/conix-elf.h: New file.
2223 * configure.in (arm*-*-conix*): New configuration.
2224 * configure: Regenerate.
2226 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
2228 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
2229 don't have TREE_ASM_WRITTEN set.
2231 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2233 * Eliminate DECL_FIELD_SIZE.
2234 * builtins.c (built_in_class_names, built_in_names): New variables.
2235 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
2236 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
2237 DECL_SIZE, not DECL_FIELD_SIZE.
2238 * print-tree.c (print_node): Remove code that prints extra blank
2239 lines in some cases.
2240 Properly handle inline and builtin function cases.
2241 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
2242 * tree.h (built_in_class_named, built_in_names): New declarations.
2243 (union tree_decl): Rename internal unions to u1 and u2 and change
2244 some of their components.
2245 Add new field built_in_class.
2246 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
2247 Reflect above changes.
2248 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
2249 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
2250 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
2251 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
2253 2000-02-28 Dmitri Makarov <dim@windriver.com>
2255 * extend.texi: Document ARM's support for long/short calls.
2257 * invoke.texi: Document ARM's -mlong-calls command line switch.
2259 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
2260 (arm_encode_call_attribute): Add prototype.
2261 (arm_set_default_type_attribute): Add prototype.
2262 (arm_strip_name_encoding): Add prototype.
2264 * config/arm/arm.c (arm_init_cumulative_args): replace
2265 initialisation og 'long_calls' field with initialisation of
2266 'call_cookie' field.
2267 (enum arm_pragma_enum): New enum.
2268 (arm_pragma_long_calls): New static variable.
2269 (arm_process_pragma): Also process "#pragma long_calls_off".
2270 (arm_valid_type_attribute_p): Accept short_call attribute.
2271 (arm_comp_type_attributes): Check long/short call attributes.
2272 (arm_encode_call_attribute): New function: Encode long_call
2273 or short_call attribute in function name.
2274 (arm_set_default_type_attributes): New function: Assign
2275 default attributes to newly defined type.
2276 (current_file_function_operand): New function: Return true if
2277 the symbol is a function which has already been compiled.
2278 (arm_is_longcall_p): New function: Return true if the
2279 indicated function should be called via a long call.
2280 (arm_get_strip_length): New function. Returns number of
2281 prefix characters to be stripped from a function's name.
2282 (arm_strip_name_encoding): New function. Strip prefix characters
2283 from a function's name.
2285 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
2287 (SHORT_CALL_FAG_CHAR): Define.
2288 (LONG_CALL_FAG_CHAR): Define.
2289 (ENCODED_SHORT_CALL_ATTR_P): Define.
2290 (ENCODED_LONG_CALL_ATTR_P): Define.
2291 (ARM_NAME_ENCODING_LENGTHS): Define.
2292 (STRIP_NAME_ENCODING): Define.
2293 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
2294 (ARM_ENCODE_CALL_TYPE): Define.
2295 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
2296 (ARM_DECLARE_FUNCTION_SIZE): Define.
2297 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
2299 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
2300 if a long call is needed.
2301 (call_value): Ditto.
2302 (call_symbol): Ditto.
2304 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
2305 ARM_DECLARE_FUNCTION_SIZE.
2307 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
2308 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
2309 (ARM_STRIP_NAME_ENCODING): Undefine.
2310 (STRIP_NAME_ENCODING): Undefine.
2311 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
2312 (ASM_DECLARE_FUNCTION_NAME): Ditto.
2313 (ASM_OUTPUT_COMMON): Ditto.
2314 (ASM_DECLARE_OBJECT_NAME): Ditto.
2316 * config/arm/pe.c (arm_dllexport_name_p): Check for
2318 (arm_dllimport_name_p): Ditto.
2319 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
2320 (arm_mark_dllimport): Ditto.
2322 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2324 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
2326 2000-02-28 Mark Mitchell <mark@codesourcery.com>
2328 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
2330 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
2332 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
2333 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
2334 NO_BUILTIN_WCHAR_TYPE is not defined.
2335 (CPP_WCHAR_TYPE): Delete.
2336 * cccp.c (main): Don't change wchar_type if cplusplus.
2337 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
2339 2000-02-28 Nick Clifton <nickc@cygnus.com>
2341 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
2343 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
2345 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
2346 (ASM_WEAKEN_LABEL): Define.
2348 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
2350 * expr.c (store_constructor): Do not emit USE.
2351 * rtl.h (stupid_life_analysis): Remove.
2353 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2355 * function.c (number_blocks): Reset next_block_index based on
2356 what debugging format is used, not what is defined.
2358 * lcm.c: Minor reformatting throughout.
2359 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
2361 * toplev.c (rest_of_compilation): Account for time in
2362 optimize_mode_switching.
2364 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
2365 if only marking labels.
2367 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
2369 * calls.c (expand_call): Attempt to combine stack adjustments with
2370 pending stack adjustments.
2372 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2374 * loop.c (reg_in_basic_block_p): Don't abort when falling through
2375 to the end of the function.
2377 2000-02-27 Mark Mitchell <mark@codesourcery.com>
2379 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
2381 * final.c (next_block_index): Remove.
2382 (max_block_depth): Likewise.
2383 (pending_blocks): Likewise.
2384 (init_final): Don't initialize them.
2385 (final_start_function): Don't set next_block_index. Set up
2387 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
2388 * function.h (number_blocks): New function.
2389 * function.c (get_block_vector): New function.
2390 (identify_blocks): Use it.
2391 (reorder_blocks): Set NOTE_BLOCK.
2392 (number_blocks): New function.
2393 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
2394 * tree.h (BLOCK_NUMBER): New macro.
2395 (tree_block): Add block_num field.
2396 * dbxout.c (next_block_number): Remove.
2397 (dbxout_init): Don't set it.
2398 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
2399 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
2401 * toplev.c (rest_of_compilation): Always call
2402 find_loop_tree_blocks. Fix indentation.
2403 * dwarf2out.c (next_block_number): Remove.
2404 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2405 to determine block numbers.
2406 (gen_inlined_subroutine_die): Likewise.
2407 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
2408 (decls_for_scope): Don't increment next_block_number.
2409 * dwarfout.c (next_block_number): Remove.
2410 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2411 to determine block numbers.
2412 (output_inlined_subroutine_die): Likewise.
2413 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
2414 (output_decls_for_scope): Don't increment next_block_number.
2415 * sdbout.c (next_block_number): Remove.
2416 (sdbout_block): Use BLOCK_NUMBER.
2417 (sdbout_begin_block): Simplify.
2418 * xcoffout.c (next_block_number): Remove.
2419 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
2420 (xcoffout_begin_block): Don't set next_block_number.
2421 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
2424 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2426 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
2427 (expand_builtin_strcpy): Pass correct type to size_binop.
2428 (expand_builtin_strcmp): Likewise.
2429 Clean up conditional structure.
2430 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
2431 (complete_array_type): Don't use size_binop for MAXINDEX.
2432 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
2433 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
2434 (c_alignof): Use size_one_node.
2435 (build_unary_op): Pass arg of proper type to size_binop.
2436 (really_start_incremental_init, push_init_level): Use sizetype for
2437 constructor{,_bit,_unfilled}_index.
2438 (pop_init_label, output_init_element): Likewise.
2439 (output_pending_init_elements, process_init_element): Likewise.
2440 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
2441 * expr.c (store_expr): Use size_int.
2442 (store_constructor): Use proper types for size_binop args.
2443 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
2444 (expand_expr_unaligned): Likewise.
2445 (string_contant): Return object of sizetype.
2446 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
2447 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
2448 (ARGS_SIZE_TREE): Pass proper types to size_binop.
2449 * fold-const.c (int_const_binop): Refine when size_int is called.
2450 (fold_convert): Likewise.
2451 (size_int_wide): Rework to take KIND as arg, only take low order
2452 bits, handle new sizetype_tab datatype, and chain entries in
2454 (size_int_type_wide): New function.
2455 (size_binop): Validate types of arguments.
2456 (ssize_binop): Deleted.
2457 (size_diffop): New function.
2458 (extract_muldiv): Only fold division into multiplication for sizetypes.
2459 * function.c (assign_parms): Use size_diffop and make sure
2460 VAR field is of ssizetype; also pass proper type to size_binop.
2461 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
2462 (round_down): Deleted from here.
2463 * store-layout.c (sizetype_tab): Now an array.
2464 (sizetype_set, early_root_list): New variables.
2465 (variable_size): Use size_one_node.
2466 (round_up): Pass proper type to size_binop.
2467 (round_down): Moved to here and corrected as above.
2468 (layout_record): Pass proper arg types to size_binop.
2469 (layout_type): Likewise.
2470 If sizetype_set is zero, record the type just laid out.
2471 (make_unsigned_type): Don't call set_sizetype;
2472 (make_signed_type): Likewise; also, call fixup_signed_type.
2473 (initialize_sizetypes): New function.
2474 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
2475 set name of bitsizetype to "bit_size_type".
2476 Fix up type of sizes of all types made before call.
2477 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
2478 * tree.c (fix_sizetype): Deleted.
2479 (build_common_tree_nodes): Call initialize_sizetypes.
2480 (build_common_tree_nodes_2): Don't call fix_sizetype.
2481 * tree.h (TYPE_IS_SIZETYPE): New macro.
2482 (initialize_sizetype): New declaration.
2483 (enum size_type_kind): New type.
2484 (struct sizetype_tab): Deleted.
2485 (sizetype_tab): Now array; adjust sizetype macros.
2486 (size_diffop, size_int_type_wide): New functions.
2487 (size_int_wide): Change number of args and type; access macros changed.
2488 (ssize_int, sbitsize_int): New macros.
2489 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
2490 (ROUND_TYPE_SIZE_UNIT): New macro.
2492 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
2494 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
2496 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2498 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
2499 Mark as possibly unused.
2501 * cse.c (cse_insn): Delete dead code involving tablejump.
2502 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
2504 * Makefile.in (libcpp.a): Start by deleting it.
2506 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2508 * cpplib.h (enum file_change_code): Added rename_file.
2509 * cpplib.c (do_line): If a filename is given, set file_change to
2511 (output_line_command): If file_change is rename_file, always
2512 output a # directive with the file name.
2514 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
2516 2000-02-26 Mark Mitchell <mark@codesourcery.com>
2518 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
2519 when copying a PARM_DECL or RESULT_DECL.
2521 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2523 * fix-header.c (recognized_function): Also fix prototypes for
2524 functions taking "void".
2526 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2528 * reload1.c (do_output_reload): Check reg_reloaded_valid before
2529 looking at reg_reloaded_contents.
2531 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
2533 * Makefile.in (STMP_FIXINC): New toggle.
2534 (LIBGCC2_DEPS): Delete all references.
2535 (stmp-headers): Delete target. All references either deleted
2536 or changed to stmp-int-headers.
2537 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
2538 (LIBCPP_OBJS): Take out cppalloc.o.
2539 (cppalloc.o): Delete target.
2540 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2541 (gen-protos, fix-header): Link with libiberty.a.
2542 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2545 * configure.in: Remove refs to strerror.
2546 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2547 * system.h: Take out strerror stanza.
2549 * cpperror.c (my_strerror): Delete function.
2550 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2551 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2552 * cppalloc.c: Delete file.
2553 * gen-protos.c: Don't provide xrealloc.
2555 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2556 xstrerror throughout.
2558 2000-02-26 Bruce Korb <bkorb@gnu.org>
2560 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2561 match for DOS headers, too.
2562 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2564 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2566 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2567 is right for most ELF targets.
2568 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2569 Let the default file use %U properly.
2570 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2573 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2576 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2578 * toplev.c (documented_lang_options): Correct spelling error.
2579 (decode_d_option, decode_f_option, main): Likewise.
2581 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2583 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2584 to tell assembler it is permitted to expand large constants.
2586 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2588 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2589 (aux_info_suffix): Use.
2590 (SAVE_SUFFIX): New macro.
2592 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2593 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2594 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2596 * invoke.texi (Running Protoize): Update documentation.
2598 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2600 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2602 2000-02-25 John Wehle (john@feith.com)
2604 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2606 2000-02-25 Anthony Green <green@cygnus.com>
2608 * toplev.c (rest_of_compilation): Rebuild jump labels if
2609 combine_instructions has created a new direct jump.
2610 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2612 (combine_instructions): Call try_combine with new argument.
2613 Return non-null value when new direct jump instruction is created.
2614 * rtl.h: combine_instructions returns an int.
2616 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2618 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2619 jump when changing a computed jump into a jump to a known
2622 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2624 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2625 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2627 * i386.md (define_expand "clrstrsi"): Fix typo.
2629 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2631 * rtl.texi: Fix typo.
2633 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2635 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2636 UNITS_PER_WORD. Change caller initial_elimination_offset.
2637 (rounded_frame_size): Take into account that argument pushed has
2638 changed. Fix TARGET_ALIGN_DOUBLE problem.
2640 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2642 * haifa-sched.c (schedule_block): Explain the real reason
2643 we delete REG_SAVE_NOTEs on the first insn of a block.
2644 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2646 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2648 * input.h (push_srcloc): New function.
2649 (pop_srcloc): Likewise.
2650 * toplev.c (push_srcloc): Define it.
2651 (pop_srcloc): Likewise.
2653 2000-02-24 Richard Henderson <rth@cygnus.com>
2655 * flow.c (life_analysis): When collecting reg info, clear
2658 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2660 Fix bug exposed by reload.c no longer rounding the frame
2661 size to BIGGEST_ALIGNMENT:
2662 * sh.c (rounded_frame_size): New function.
2663 (sh_expand_prologue, sh_expand_epilogue): Use it.
2664 (initial_elimination_offset): Likewise.
2666 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2668 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2669 * sh-protos.h (sh_need_epilogue): Declare.
2670 * sh.c (sh_need_epilogue_known): New static variable.
2671 (sh_need_epilogue): New function.
2672 (function_epilogue): Clear need_epilogue_known.
2673 * sh.md (return): Split into expander / insn pattern.
2674 Make the expander conditional on ! sh_need_epilogue ().
2676 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2678 * machmode.h (get_mode_alignment): Declare.
2679 (GET_MODE_ALIGNMENT): Call it.
2680 * stor-layout.c (get_mode_alignment): New function. Make
2681 sure alignment is always power of 2.
2683 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2685 * i386.h: Remove useless definition of "I386" and misleading
2688 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2690 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2691 under which TREE_PERMANENT will be set.
2692 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2693 build1): Use TREE_SET_PERMANENT.
2694 * print-tree.c (print_node): Don't report value of
2695 TREE_PERMANENT if ggc_p is true.
2697 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2698 decide whether to give a type a new alias set.
2699 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2700 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2701 of value of 'obstack'.
2704 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2706 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2708 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2710 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2711 * cpplib.c (cpp_get_token): Produce them.
2712 * cppexp.c (cpp_lex): Handle them.
2714 2000-02-23 Nick Clifton <nickc@cygnus.com>
2716 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2717 comment tests on type attributes.
2719 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2721 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2722 conform to documentation.
2723 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2724 to check for special cases.
2725 * sh-protos.h (sh_loop_align): Declare.
2726 * sh.c (sh_loop_align): Define.
2728 2000-02-22 Andrew Haley <aph@cygnus.com>
2730 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2731 (SIZE_TYPE): Is 32 bits when using -mgp32.
2732 (PTRDIFF_TYPE): Ditto.
2734 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2736 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2738 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2740 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2741 BIGGEST_FIELD_ALIGNMENT a constant.
2743 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2745 * dwarf2out.c (output_line_info): Put the marker for the end of
2746 the line number info at the actual end.
2747 (gen_struct_or_union_type_die): Use decl_function_context
2748 to check for local classes.
2749 * dwarfout.c (output_type): Likewise.
2751 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2753 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2754 for arguments with a mode, but no type.
2755 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2756 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2757 * pa/long_double.h: New file.
2758 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2759 both have 128bit wide long doubles.
2760 * configure: Rebuilt.
2762 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2764 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2766 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2767 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2768 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2770 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2772 * integrate.c (compare_blocks, find_block): Likewise.
2774 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2776 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2778 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2779 expand_asm_operands): Likewise.
2781 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2783 * predict.c (estimate_probability): Added the pointer heuristic to
2784 the collection of static branch predictors.
2786 2000-02-21 Catherine Moore <clm@cygnus.com>
2788 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2789 * invoke.texi (-mfix7000): Document.
2791 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2793 * diagnostic.c (init_output_buffer): Make it possible to output at
2794 least 32 characters if we're given a too long prefix.
2796 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2798 * varasm.c (initializer_constant_valid_p): Call
2799 lang_expand_constant to simplify the constant.
2801 2000-02-20 Bruce Korb <bkorb@gnu.org>
2803 * fixinc/inclhack.def(stdio_va_list):
2804 typedef needs to be disabled.
2805 * fixinc/inclhack.sh: regen
2806 * fixinc/fixincl.x: regen
2808 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2810 * print-rtl.c (print_rtx): Don't print addresses when
2811 flag_dump_unnumbered.
2813 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2815 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2817 (sparc_va_arg, sparc_flat_output_function_prologue,
2818 sparc_flat_output_function_epilogue): Cast value to unsigned in
2820 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2822 * sparc.md: Add default case in switch.
2824 2000-02-19 Richard Henderson <rth@cygnus.com>
2826 * c-typeck.c (add_pending_init): Don't abort for multiple
2827 fields at the same offset.
2828 (pending_init_member): Test the correct member.
2830 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2832 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2834 (start_catch_handler) : Same.
2836 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2838 * Makefile.in: Have flow.o depend on $(EXPR_H)
2840 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2842 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2843 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2844 (finish_decl): Remove -Wlarger-than code from here.
2845 * flags.h (id_clash_len): Now int.
2846 (larger_than_size): Now HOST_WIDE_INT.
2847 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2848 Clean up checking to see if in table.
2849 (make_bit_field_ref): Remove extra parm to bitsize_int.
2850 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2851 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2852 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2853 and for computing size of decl.
2854 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2855 Move -Wlarger-than code to here.
2856 (layout_record): Remove extra arg to bitsize_int.
2857 Set TYPE_BINFO_SIZE_UNIT.
2858 (layout_union): Remove extra arg to bitsize_int.
2859 Use proper type for size of QUAL_UNION.
2860 (layout_type): Remove extra arg to bitsize_int.
2861 * toplev.c (id_clash_len): Now int.
2862 (larger_than_size): Now HOST_WIDE_INT.
2863 (decode_W_option): Clean up id-clash and larger-than- cases.
2864 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2865 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2866 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2867 (struct tree_decl): New field size_unit.
2868 (size_int_wide): No HIGH operand; NUMBER is now signed.
2869 (size_int_2): Deleted.
2870 (size_int, bitsize_int): Don't use it and rework args.
2871 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2873 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2875 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2877 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2879 * invoke.texi (Warning Options): Add an explanation of why
2880 you might want the -Wfloat-equal flag.
2882 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2884 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2885 * cppinit.c (new_pending_define): Add cast to avoid warning.
2886 * expmed.c (extract_bit_field): Likewise.
2887 * flow.c (enum reorder_skip_type): New type.
2888 (skip_insns_between_blcok): New it.
2889 Rework to avoid warning about possibly undefined variable.
2890 * function.c (assign_parms): Make thisparm_boundary unsigned.
2891 * genrecog.c (write_switch): Cast XWINT result to int.
2892 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2893 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2894 one for MIPS and one for Alpha.
2895 (get_tag, copy_object): Add casts to avoid warnings.
2896 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2897 * reload.c (find_reloads): Make TYPE enum reload_type.
2898 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2899 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2900 * varasm.c (compare_constant_1): Add cast to avoid warning.
2901 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2903 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2904 Cast switch operand of size to int.
2905 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2906 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2909 2000-02-18 Nick Clifton <nickc@cygnus.com>
2911 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2912 anything for an alignment of zero.
2914 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2915 anything for an alignment of zero.
2917 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2919 * gcc.texi (Bug Reporting): Refer to bugs.html.
2920 (Bug Lists): Likewise.
2921 * system.h (GCCBUGURL): New preprocessor define.
2922 * rtl.c (fancy_abort): Use it.
2923 * gcc.c (main): Likewise.
2925 2000-02-18 Richard Henderson <rth@cygnus.com>
2927 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2928 (life_analysis_1): Subsume into ...
2929 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2930 Use update_life_info for the relaxation.
2931 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2932 entry and regs_live_at_setjmp.
2933 (set_noop_p): Simplify.
2934 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2935 (record_volatile_insns): Split into ...
2936 (delete_noop_moves): ... here,
2937 (notice_stack_pointer_modification): ... here,
2938 (insn_dead_p): ... and here.
2939 (propagate_block): Don't query INSN_VOLATILE.
2940 (mark_used_regs): Mind !PROP_REG_INFO.
2941 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2942 not in life_analysis.
2944 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2946 * loop.c (canonicalize_condition): New function,
2947 broken out of get_condition.
2948 (get_condition): Use it.
2949 * expr.h (canonicalize_condition): Prototype it.
2951 * tree.h (tree_int_cst_msb): Declare.
2952 * tree.c (tree_int_cst_msb): New function.
2954 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2956 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2959 * invoke.texi (-fmessage-length=n): Document.
2961 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2963 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2965 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2967 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2970 2000-02-17 Nick Clifton <nickc@cygnus.com>
2972 * config/arm/thumb.c: Replace includes of system headers with
2973 #include "system.h".
2975 2000-02-16 Richard Henderson <rth@cygnus.com>
2977 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2978 Add crtbeginS.o and crtendS.o.
2979 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2980 (ENDFILE_SPEC): Use crtendS.o.
2981 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2983 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2984 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2986 (__dso_handle): New variable.
2987 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2988 bias to __CTOR_END__.
2990 2000-02-16 Richard Henderson <rth@cygnus.com>
2992 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2994 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2996 * longlong.h (__clz_tab): Declare as static to match definition.
2998 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2999 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
3000 (XREF_FILE_NAME): Define.
3002 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
3003 (EH_FRAME_SECTION_ASM_OP): Define.
3004 (IDENT_ASM_OP): Define.
3005 (TEXT_SECTION_ASM_OP): Define.
3007 (CTORS_SECTION_ASM_OP): Define.
3008 (CTOR_SECTION_FUNCTION): Use it.
3009 (DTORS_SECTION_ASM_OP): Define.
3010 (DTOR_SECTION_FUNCTION): Use it.
3012 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
3014 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
3017 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
3018 debug_bb_n): New functions.
3019 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
3020 * basic-block.h: Prototype new functions.
3022 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
3024 * configure.in: Add support for avr target.
3025 * configure: Rebuilt.
3027 * invoke.texi: Add AVR invocation docs.
3028 * install.texi: Add information about AVR.
3029 * md.texi: Add AVR constraint letters description.
3030 * extend.texi: Add description for AVR specific attributes.
3032 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
3034 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
3036 2000-02-16 Nick Clifton <nickc@cygnus.com>
3038 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
3039 (make_insn_raw): Move RTL check here.
3041 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3043 * version.c: Include gansidecl.h and version.h.
3045 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
3047 * configure.in (gcc_version): When setting, narrow search to
3048 lines containing `version_string'.
3050 * Makefile.in (mainversion): Likewise.
3051 (GCC_H): New variable.
3052 (gcc.h): Delete target.
3053 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
3054 (version.o): Depend on version.h.
3055 (dbxout.o): Don't depend on gcc.h.
3057 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
3058 Michael Meissner <meissner@cygnus.com>
3060 * md.texi (Simple Constraints): Add item about whitespace.
3061 * genoutput.c (strip_whitespace): New.
3062 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
3063 strip_whitespace for constraints.
3064 Test pointer using NULL, not 0.
3066 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3068 * cpplib.c (do_line): Pedwarn for #line > 32767.
3070 * c-lex.c (readescape): Warn about '\x', but do not reject it.
3072 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
3074 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
3075 to default cpp spec.
3076 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
3077 * cpp.texi: Document __GNUC_PATCHLEVEL__.
3080 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
3083 2000-02-15 Denis Chertykov <denisc@overta.ru>
3085 * configure.in: Add support for avr target.
3087 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3089 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
3090 (sh_addr_diff_vec_mode): Don't declare.
3091 * sh.c (sh_addr_diff_vec_mode): Delete.
3093 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3095 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
3097 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3099 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
3100 (smulsi3_highpart_i): Name.
3101 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
3102 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
3103 (smulsi3_highpart, umulsi3_highpart): Likewise.
3105 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
3106 correctly independent of endianness.
3107 (mulsidi3, umulsidi3): Now define_insn. Hide details that
3108 confuse the optimizers.
3109 (mulsidi3+1, umulsidi3+1): New define_split.
3111 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
3113 * config/sh/sh.md: Guard insn splits against illegal registers.
3114 * config/sh/sh.h: Correct comment about macros.
3116 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3117 Andrew MacLeod <amacleod@cygnus.com>
3119 * Makefile.in (lcm.o): Depend on insn-attr.h.
3120 * basic-block.h (optimize_mode_switching): Declare.
3121 * lcm.c (tm_p.h, insn-attr.h): #include.
3122 (seginfo, bb_info): New structs.
3123 (antic, transp, comp, delete, insert) : New file-scope static variables.
3124 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
3125 (reg_becomes_live, optimize_mode_switching): Likewise.
3126 * tm.texi: Add description of mode switching macros.
3127 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
3129 * sh-protos.h (remove_dead_before_cse): Remove prototype.
3130 (fldi_ok, fpscr_set_from_mem): New prototypes.
3131 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
3132 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
3133 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
3134 (sh_flag_remove_dead_before_cse): Remove declaration.
3135 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
3136 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
3137 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
3138 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
3139 (barrier_align): Allow for JUMP_INSNS containing a parallel.
3140 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
3141 (fldi_ok): New function.
3142 (get_fpscr_rtx): Add fpscr_rtx as GC root.
3143 (emit_sf_insn): Only generate fpu switches when optimize < 1.
3144 (emit_df_insn): Likewise.
3145 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
3146 (sh_flag_remove_dead_before_cse): Delete.
3147 (get_free_reg, fpscr_set_from_mem): New functions.
3148 * sh.md (movdf, movsf): Remove no_new_pseudos code.
3149 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
3151 2000-02-15 Loren Rittle <ljrittle@acm.org>
3153 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
3155 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3157 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
3158 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
3160 * cccp.c: Include version.h and/or don't declare `version_string'.
3161 * collect2.c: Likewise.
3162 * alpha.c: Likewise.
3163 * arm/aof.h: Likewise.
3164 * arm/coff.h: Likewise.
3165 * arm/elf.h: Likewise.
3166 * arm/pe.h: Likewise.
3167 * arm/tcoff.h: Likewise.
3168 * arm/telf.h: Likewise.
3169 * arm/tpe.h: Likewise.
3170 * arm/vxarm.h: Likewise.
3171 * convex/convex.c: Likewise.
3172 * i386/dgux.c: Likewise.
3173 * i386/sun386.h: Likewise.
3174 * m88k/m88k.c: Likewise.
3175 * mcore/mcore-pe.h: Likewise.
3176 * mips/mips.h: Likewise.
3177 * romp/romp.h: Likewise.
3178 * sh/sh.c: Likewise.
3179 * cpphash.c: Likewise.
3180 * cppinit.c: Likewise.
3181 * dwarf2out.c: Likewise.
3182 * dwarfout.c: Likewise.
3185 * mips-tfile.c: Likewise.
3186 * protoize.c: Likewise.
3187 * toplev.c: Likewise.
3190 * version.c (version_string): Constify a char*.
3192 * version.h: New file.
3194 2000-02-14 Nick Clifton <nickc@cygnus.com>
3196 * configure.in: Add mcore-elf and mcore-pe targets.
3197 * configure: Regenerate.
3199 * NEWS: Add note that MCore port has been contributed.
3201 * invoke.texi: Document command line switches for MCore port.
3202 * install.texi: Add MCore to list of supported targets.
3204 2000-02-14 Geoff Keating <geoffk@cygnus.com>
3206 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
3207 then we will need to import the frame handling functions.
3208 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
3209 to import the frames themselves.
3211 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
3212 Jason Eckhardt <jle@cygnus.com>
3214 * basic_block.h: Added prototype for reorder_basic_blocks.
3215 * toplev.c: Changes to add -freorder-blocks and graph dump after
3216 block reordering is done.
3217 * flow.c (reorder_block_def): New structure for use during block
3219 (REORDER_BLOCK_*): New macros to access members of above structure.
3220 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
3221 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
3222 functions for block reordering.
3224 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
3226 * gcc.texi (Passes): Fix typo.
3227 * md.texi (Standard Names): Ditto.
3228 * tm.texi (Storage Layout): Ditto.
3230 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3232 * cpplib.c (do_define): Only free the old definition if it
3235 2000-02-13 Neil Booth <NeilB@earthling.net>
3237 * cppfiles.c (read_and_prescan): When emitting deferred
3238 newlines, test speccase[] again instead of checking each
3239 possible whitespace character in turn. When we encounter \r,
3240 look behind for \n first, then ahead.
3242 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3244 * cse.c (cse_altered): New internal flag.
3245 (cse_insn): Set it if we changed an insn.
3246 (cse_main): Clear cse_altered before each basic block.
3247 Only garbage collect if cse_altered is true afterward.
3249 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3251 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
3253 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
3255 * combine.c (simplify_comparison): Fix typo.
3257 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
3259 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
3262 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3264 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
3265 previously inserted node instead of root node. Caller changed.
3267 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3269 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
3271 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3273 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
3274 __dereg_frame_dtor): Add prototype argument.
3276 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
3278 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
3280 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
3282 * gthr-vxworks.h (__gthread_once): Likewise.
3284 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
3286 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
3288 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
3289 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
3290 stack pointer in functions w/o saved registers, output LEAVE more often
3291 on TARGET_USE_LEAVE machines.
3293 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
3295 * config/arm/arm.c (arm_init_cumulative_args); New function:
3296 Initlaise the CUMULATIE_ARGS strcuture for a function
3298 (arm_function_arg): New function: Determine where to place a
3299 function's argument. Also handles deciding the function's
3301 (current_file_function_operand): New function: Return true if
3302 the symbol is a function which has already been compiled.
3303 (arm_is_long_call_p): New function: Return true if the
3304 indicated function should be called via a long call.
3305 (arm_valid_type_attribute_p): New function: Return true if the
3306 attribute is a valid, arm specific, attribute.
3307 (arm_comp_type_attribute): New function: Return true if the
3308 two types have compatable, arm specific, attributes.
3310 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
3312 (FUNCTION_ARG): Redefine to call arm_function_arg.
3313 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
3315 (INIT_CUMULATIVE_ARGS): Redefine to call
3316 arm_init_cumulative_args.
3317 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
3319 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
3321 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
3323 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
3324 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
3325 (COMP_TYPE_ATTRIBUTES): Define.
3327 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
3328 if a long call is needed.
3329 (call_value): Call arm_is_long_call_p to decide if a long call
3331 (call_symbol): Call arm_is_long_call_p to decide if a long call
3334 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
3336 2000-02-11 Denis Chertykov <denisc@overta.ru>
3338 * README.AVR: New file with information about the avr ports.
3339 * config/avr: New directory with avr port files.
3341 2000-02-11 Andreas Jaeger <aj@suse.de>
3343 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
3345 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
3347 * cpphash.c: Fix formatting, update commentary.
3348 (dump_definition): Take three separate arguments instead of a
3349 MACRODEF structure argument.
3350 * cpphash.h: Update prototype of dump_definition.
3351 * cppinit.c (cpp_finish): Update call of dump_definition.
3353 * cpplib.c (do_define): Always create new hash entry with
3354 T_MACRO type. Remove redundant check for redefinition of
3355 poisoned identifier. Update call of dump_definition.
3356 (do_undef): Don't call check_macro_name. Rename sym_length to
3358 (do_error, do_warning): Don't use copy_rest_of_line or
3360 (do_warning): Don't use pedwarn for the actual warning,
3361 only the notice about its not being in the standard. (Fixes
3362 bug with #warning in system headers.)
3363 (do_ident): Stricter argument checking - accept only a single
3364 string after #ident. Also, macro-expand the line.
3365 (do_xifdef): Use cpp_defined. De-obfuscate.
3367 (do_pragma): Split out specific pragma handling to separate
3368 functions. Use get_directive_token. Update commentary. Do
3369 not pass on #pragma once or #pragma poison to the front end.
3370 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
3371 do_pragma_default): New.
3373 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
3375 * jump.c (jump_optimize_1): The first operand in a relational
3377 * optabs.c (emit_conditional_move): Handle relationals which
3378 have a known true/false result.
3380 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3382 * function.c (thread_prologue_and_epilogue_insns): Don't insert
3383 a RETURN insn into a block which already ends with a jump.
3385 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3387 * haifa-sched.c (BUF_LEN): Increase a lot.
3389 2000-02-11 Nick Clifton <nickc@cygnus.com>
3391 * configure.in: Add tm_p_file specification for thumb targets.
3392 * configure: Regenerate.
3394 * config/arm/thumb-protos.h: New file: Prototypes for exported
3395 functions defined in thumb.c.
3397 2000-02-11 Robert Lipe <robertl@sco.com>
3399 * Makefile.in (bootstrap-lean): Remove additional files.
3400 (bootstrap2-lean): Likewise.
3401 (VOL_FILES): List of files for above.
3403 2000-02-11 Nathan Sidwell <nathan@acm.org>
3405 * cpphash.c (special_symbol): Remove spurious argument to
3408 2000-02-11 Joel Sherrill (joel@OARcorp.com>
3410 * configure.in: (i*86-*-rtems*): Swapped elf and coff
3412 * configure: Rebuilt.
3414 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
3416 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
3418 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
3420 * pa.c, pa.h: Remove trigraph sequences within comments.
3422 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3424 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
3426 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
3428 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
3430 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3432 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
3434 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3436 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
3437 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
3438 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
3439 (ASM_FILE_END): Use c4x_file_end.
3440 * config/c4x/c4x.c (c4x_global_label): New function.
3441 (c4x_external_ref, c4x_file_end): Likewise.
3443 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
3444 (c4x_external_ref, c4x_end_file): Likewise.
3446 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
3448 * cppexp.c: Don't include cpphash.h.
3449 (parse_charconst, cpp_lex): Use cpp_defined.
3450 (cpp_lex): Use get_directive_token throughout. Remove
3451 unnecessary cases from switch. Move assertion-handling code
3453 (cpp_parse_expr): If we see '+' or '-', check the context to
3454 determine if they are unary or binary operators. Streamline
3455 the jumps a bit. Do not call skip_rest_of_line.
3457 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
3458 static. Export get_directive_token. Update commentary.
3459 (cpp_defined): New function.
3460 (do_define): Remove reference to T_PCSTRING. Call
3461 free_definition to release memory for old definition, when
3463 (eval_if_expression): Set only_seen_white to 0 before calling
3464 cpp_parse_expr. Call skip_rest_of_line after it returns.
3465 (cpp_read_check_assertion): Don't preserve a pointer into the
3466 token buffer across a call to cpp_get_token.
3468 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
3469 * cppfiles.c (redundant_include_p): Use cpp_defined.
3470 * cpphash.c (free_definition): New function.
3471 (delete_macro): Use it. Update commentary.
3472 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
3474 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
3475 from enum node_type. Prototype cpp_defined and get_directive_token.
3476 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
3478 * fix-header.c (check_macro_names): Use cpp_defined.
3479 (read_scan_file): Set inhibit_warnings and inhibit_errors in
3480 the options structure.
3482 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3484 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
3486 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
3488 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
3489 rather than die->die_tag.
3491 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3493 * combine.c (make_extraction, force_to_mode): Avoid warning on
3494 mixed-signedness conditionals.
3495 (make_field_assignment, nonzero_bits): Likewise.
3496 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
3497 (store_split_bit_field, extract_split_bit_field): Likewise.
3498 (extract_fixed_bit_field, store_bit_field,
3499 * expr.c: Change alignment to be unsigned everywhere.
3500 (move_by_pieces, store_constructor_field, store_constructor):
3501 Alignment parm is unsigned.
3502 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3503 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3504 (do_compare_rtx_and_jump): Likewise.
3505 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
3506 Compare align with GET_MODE_ALIGNMENT.
3507 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
3508 (get_inner_reference): Likewise.
3509 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
3510 (expand_assignment): Local vars for alignment now unsigned.
3511 (store_constructor, store_field, expand_expr, do_jump): Likewise.
3512 (do_compare_and_jump): Likewise.
3513 (store_field): Call new function expr_align.
3514 * expr.h (emit_block_move, emit_group_load, emit_group_store):
3515 Alignment arg now unsigned.
3516 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3517 (do_compare_rtx_and_jump, store_bit_field): Likewise.
3518 (extract_bit_field): Likewise.
3519 * fold-const.c (add_double): Add cast to eliminate signedness warning.
3520 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
3521 (get_best_mode): Alignment arg is unsigned.
3522 * rtl.h (move_by_pieces): Likewise.
3523 * store-layout.c (maximum_field_alignment, set_alignment):
3525 (layout_decl): Alignment arg is now unsigned.
3526 Remove unneeded casts.
3527 (layout_record, layout_union, layout_type): Remove unneeded casts.
3528 Local alignment variables now unsigned.
3529 (get_best_mode): Alignment arg now unsigned.
3530 * tree.c (expr_align): New function.
3531 * tree.h (expr_align): Likewise.
3532 (maximum_field_alignment, set_alignment): Now unsigned.
3533 (get_inner_reference): Alignment argument is now pointer to unsigned.
3534 * varasm.c (assemble_variable): Add cast to eliminate warning.
3536 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3538 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
3539 then store directly into op0.
3541 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3542 the CALL_INSN, and emit the note immediately after it.
3544 2000-02-10 Nick Clifton <nickc@cygnus.com>
3546 * config/arm/thumb.md (epilogue): Include a (return) in the
3547 generated insn, and emit it using emit_jump_insn not
3550 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3552 * function.c (assign_temp): Change zero-sized arrays to size 1.
3553 * integrate.c (expand_inline_function): Do not update
3554 stack_alignment_needed
3555 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3556 add some sanity checking, remove optimization for function with
3559 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3561 * flow.c (mark_regs_live_at_end): Delete unused variables.
3563 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3565 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3566 in macro FRAME_GROWS_DOWNWARD.
3568 * stmt.c (expand_end_bindings): Delete unused variable.
3570 * unroll.c (iteration_info): Mark parameter `loop' with
3573 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3575 * fixinc/server.c (load_data): Return NULL if the marker line is
3577 (run_shell): If load_data returns NULL, retry the command once, in
3580 * configure: Rebuilt.
3582 2000-02-09 Bruce Korb <bkorb@gnu.org>
3584 * gcc/fixincludes: ** DELETED **
3585 * gcc/fixcpp: ** DELETED **
3586 * gcc/fixinc-nt.sed: ** DELETED **
3587 * gcc/just-fixinc: ** DELETED **
3588 * gcc/Makefile.in: Removed out-dated commentary
3589 * gcc/configure.in: Removed fast-fixincludes disablement.
3590 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3592 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3593 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3596 2000-02-09 Richard Henderson <rth@cygnus.com>
3598 * jump.c (delete_insn): Don't delete user labels at -O0.
3600 2000-02-09 Robert Lipe <robertl@sco.com>
3602 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3603 Don't link with HOST_LIBS.
3605 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3607 * configure.in: Correct --help text for --with-dwarf2.
3608 Put tm-dwarf2.h after other tm files, if it's requested.
3609 * configure: Regenerate.
3610 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3613 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3615 * cpplib.h: Provide HASHNODE typedef and forward decl of
3616 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3617 DEFINITION, struct hashnode, struct macrodef, struct
3618 definition, scan_decls prototype, default defn of
3619 INCLUDE_LEN_FUDGE moved elsewhere.
3621 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3622 definition, and struct hashnode moved here. Remove the unused
3623 'predefined' field from struct definition. Replace the 'args'
3624 union with its sole member. All users updated (cpphash.c).
3625 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3626 multiple include guard.
3628 * cpphash.c (hashf): Make static; use better algorithm; drop
3629 HASHSIZE parameter; return an unsigned int.
3630 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3631 used. Calculate HASHSIZE modulus here.
3632 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3634 (create_definition): Drop PREDEFINITION parameter.
3635 * cpplib.c (do_define): Don't calculate a hash value here.
3636 Don't pass (keyword == NULL) to create_definition.
3638 * scan.h: Prototype scan_decls here.
3639 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3640 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3641 callers of cpp_lookup and cpp_install updated.
3643 * cpphash.c (macarg): Hoist all the flag diddling out of the
3645 (macroexpand): ... and out of the loop that calls macarg.
3646 Skip over the initial paren before macro arguments with
3647 cpp_get_non_space_token; point may be some distance before
3648 that paren. Abort if it's not there.
3650 * cpplib.c (parse_clear_mark): Delete function.
3651 (parse_set_mark, parse_goto_mark): Make static.
3652 (ACTIVE_MARK_P): New macro.
3653 (skip_block_comment, skip_line_comment): Do not bump the line
3654 if ACTIVE_MARK_P is true.
3655 (cpp_pop_buffer): The buffer to be popped may not have an
3657 (cpp_get_token): When looking for the initial paren before
3658 macro arguments, only set a mark in a file buffer, Always
3659 return to that mark before proceeding to call macroexpand or
3660 return a NAME token.
3662 * cpplib.h: Remove prototypes of parse_set_mark,
3663 parse_clear_mark, parse_goto_mark.
3664 (struct cpp_options): Rename 'put_out_comments' to
3665 'discard_comments' and invert its sense.
3666 * cppinit.c, cpphash.c, cpplib.c: All users of
3667 put_out_comments changed to use discard_comments, with
3670 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3672 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3673 the edge from a block that both jumps and falls through to the
3676 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3678 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3679 constant source address is legitimate.
3681 2000-02-09 Philip Blundell <pb@futuretv.com>
3683 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3686 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3688 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3690 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3692 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3693 ends with a newline and a NUL. Don't be so clever manipulating
3696 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3698 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3699 not to BIGGEST_ALIGNMENT.
3701 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3703 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3704 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3705 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3706 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3707 * frame.c (execute_cfa_insn): Handle
3708 DW_CFA_GNU_negative_offset_extended.
3710 2000-02-08 Richard Henderson <rth@cygnus.com>
3712 * flow.c (tidy_fallthru_edges): Split out from ...
3713 (delete_unreachable_blocks): ... here.
3714 (find_basic_blocks): Use it.
3716 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3718 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3720 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3722 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3723 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3724 (fix-header.o): Don't depend on cpphash.h.
3726 * scan.c (hashstr): New function.
3727 * scan.h: Prototype it.
3728 * fix-header.c: Don't include cpphash.h. Use hashstr.
3729 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3730 hashstr. Report hash table statistics. Add private
3731 definition of xrealloc.
3733 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3735 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3737 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3739 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3740 jumps with returns unless they are jumps to the fallthru block.
3742 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3744 * i386.md (addqi3_cc): Fix contraints.
3746 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3748 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3750 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3752 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3753 carriage return after a macro name.
3755 2000-02-07 Fred Fish <fnf@be.com>
3757 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3758 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3760 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3762 * cppfiles.c (deps_output): Count spacers in deps_column.
3764 2000-02-07 Neil Booth <NeilB@earthling.net>
3766 * cppinit.c (initialize_dependency_output): If there is no
3767 suffix, don't try to look for known suffixes. Use strrchr.
3768 (cpp_start_read): Remove duplicate initialization.
3770 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3772 * calls.c (compute_argument_block_size): New argument
3773 preferred_stack_boundary.
3774 (expand_call): update cfun->preferred_stack_boundary, update call of
3775 compute_argument_block_size
3776 (emit_library_call): Increate cfun->preferred_stack_boundary
3777 to PREFERRED_STACK_BOUNDARY
3778 (emit_library_call_value): Likewise.
3779 * explow.c (allocate_dynamic_stack_spave): Likewise.
3780 * function.c (prepare_function_start): Set
3781 cfun->preferred_stack_boundary
3782 * function.h (struct function): Add preferred_stack_boundary field.
3783 * integrate.c (expand_inline_function): Update
3784 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3785 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3786 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3788 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3790 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3791 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3792 cpp_pedwarn, cpp_pedwarn_with_line,
3793 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3794 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3795 v_cpp_error_with_line, v_cpp_warning_with_line,
3796 cpp_message_from_errno, cpp_perror_with_name): Delete.
3798 * cpperror.c (cpp_print_containing_files): Take starting
3800 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3801 (v_cpp_message): Now called directly by all entry points.
3803 (cpp_pfatal_with_name, cpp_message): Delete.
3804 (cpp_notice_from_errno, cpp_ice): New functions.
3805 (cpp_notice): Is now for reporting error conditions, just
3806 without an associated file.
3807 (cpp_error, cpp_error_with_line): Don't do anything if
3808 opts->inhibit_errors is on.
3809 (cpp_pedwarn_with_file_and_line): Take column argument also.
3811 * cpplib.h: Update prototypes of exported functions.
3812 (struct cpp_options): Add inhibit_errors.
3814 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3815 non-error messages. Include intl.h.
3817 * cppinit.c, cppmain.c: Likewise. Also, use
3818 cpp_notice_from_errno instead of cpp_perror_with_name or
3819 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3821 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3822 report internal errors.
3824 * cpplib.c (do_define): Switch bcopy to memcpy.
3825 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3827 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3828 bail out early if we hit a line comment.
3830 2000-02-06 Richard Henderson <rth@cygnus.com>
3832 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3833 * basic-block.h: Declare them.
3834 * emit-rtl.h (active_insn_p): New.
3835 (next_active_insn, prev_active_insn): Use it.
3836 * rtl.h: Declare it.
3837 * function.c (emit_return_into_block): New.
3838 (thread_prologue_and_epilogue_insns): Insert return insns instead
3839 of epilogues when possible.
3840 * jump.c (jump_optimize_1): Remove code to insert a return insn
3841 on the fallthru to the exit block.
3843 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3844 and for non-empty stack frames.
3845 * i386.md (return): Expand to return-pop as needed.
3847 2000-02-06 Richard Henderson <rth@cygnus.com>
3849 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3850 constant to op1 for testing.
3852 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3854 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3855 (fixuns_truncqfqi2): Use it.
3857 2000-02-06 Richard Henderson <rth@cygnus.com>
3859 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3862 * i386.md (widening and peepholes): Mask the constant instead of
3865 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3867 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3868 input pointer before possibly branching off to the backslash
3870 * cpphash.c (macroexpand): Correctly delete \r escapes when
3871 stringifying parameters.
3872 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3873 if we can; bail out early if we hit a line comment.
3874 (handle_directive): Treat '# 123' in an .S file just like
3875 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3876 Return 1 for '# not_a_directive'.
3877 (get_directive_token): Pop macro buffers here, so that
3878 cpp_get_token can't sneakily move past a newline.
3880 (cpp_get_token): goto randomchar if handle_directive returns 0.
3882 * cppalloc.c: Update copyright.
3883 * cpplib.c: Merge all the static function prototypes into one
3885 * cpplib.h: Remove #if 0 block.
3887 * cpperror.c: Remove #ifdef EMACS block.
3888 * cppmain.c: Likewise.
3889 * cpphash.c: Remove #if 0 blocks.
3890 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3891 * cpplib.c: Remove #if 0 blocks and code referencing
3892 pcp_inside_if or for_lint. Remove duplicate error message.
3893 Fix error messages for #else after #else or #elif. Reformat.
3894 Remove archaic TODO list.
3895 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3897 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3899 * i386/osf1elf.h: Add missing backslash to multiline string.
3901 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3903 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3905 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3907 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3909 * c-common.c: Include expr.h.
3911 * c-pragma.c (mark_align_stack): Add prototype.
3913 * caller-save.c (add_stored_regs): Likewise.
3915 * combine.c (record_promoted_value): Likewise.
3917 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3920 * cppinit.c (new_pending_define): Likewise.
3922 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3924 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3925 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3926 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3927 class_scope_p): Likewise.
3929 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3930 dwarf2out_add_library_unit_info): Likewise.
3932 * ggc.h (ggc_page_print_statistics): Likewise.
3934 * haifa-sched.c (propagate_deps): Likewise.
3936 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3938 * rtl.h (set_stack_check_libfunc): Likewise.
3940 * toplev.h (set_fatal_function): Likewise.
3942 * toplev.c (set_fatal_function): Delete prototype.
3944 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3946 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3948 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3949 (FUNC_END): Likewise.
3951 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3953 * caller-save.c: Include tm_p.h.
3955 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3957 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3959 2000-02-04 Neil Booth <NeilB@earthling.net>
3961 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3964 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3966 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3967 * genflags.c: Use the max_operand_1 logic from genemit.c to
3968 calculate how many arguments gen_insn prototypes have. Remove
3969 NO_MD_PROTOTYPES ifdefs from the generated file.
3970 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3971 file. Cast gen_insn initializers to insn_gen_fn.
3972 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3973 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3975 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3977 * fixinc/Makefile.in (HDR): Add machname.h.
3980 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3982 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3983 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3984 (c4x_cpu_version): Ditto.
3985 * config/c4x/c4x-protos.h: ... here.
3987 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3989 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3990 gen_abstract_function on our context if we're a nested function.
3992 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3994 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3995 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3997 2000-02-04 Bruce Korb <bkorb@gnu.org>
3999 * fixinc/genfixes(machname.h):
4000 Move the functionality from gen-machine.h into this file.
4001 UNdef MN_NAME_PAT if there are no names to change.
4002 Also, be a little kinder when AutoGen is not present.
4004 * fixinc/Makefile.in(machname.h):
4005 Change the generation rule to use genfixes.
4007 * fixinc/fixfixes.c(machine_name):
4008 machine_name_fix's functionality now dependent upon whether
4009 MN_NAME_PAT is defined.
4011 * fixinc/fixtests.c(machine_name):
4014 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
4017 * fixinc/fixlib.h(mn_get_regexps):
4020 * fixinc/gen-machine.h: DELETED
4022 2000-02-04 Jan Hubicka <jh@suse.cz>
4023 Richard Henderson <rth@cygnus.com>
4025 * i386.c (SAVE_REGS_FIRST): Remove.
4026 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
4027 (ix86_compute_frame_size): Likewise.
4028 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
4029 (ix86_emit_restore_regs): Remove.
4030 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
4031 when a frame pointer is in use.
4032 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
4033 instead of pop to restore a register when profitable; emit leave
4035 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
4037 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
4038 * i386.md (prologue_allocate_stack): Remove.
4039 (epilogue_deallocate_stack): Remove.
4040 (pro_epilogue_adjust_stack): New.
4042 2000-02-04 Richard Henderson <rth@cygnus.com>
4044 * function.c (diddle_return_value): Rework to use a callback function.
4045 Use current_function_return_rtx if it's been set up.
4046 (do_clobber_return_reg, clobber_return_register): New.
4047 (do_use_return_reg, use_return_register): New.
4048 (expand_function_end): Use them.
4049 * stmt.c (expand_null_return): Likewise.
4050 * function.h: Declare them.
4051 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
4052 (mark_reg): Change arguments as appropriate for callback.
4053 * integrate.c (expand_inline_function): Revert 19 Jan change.
4055 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
4057 * tm.texi (Values in Registers): Fix typo: "fo" "for".
4058 (Misc): Say the scheduler, not the Haifa scheduler.
4060 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
4062 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
4063 when in_mem is set. Update all callers.
4065 2000-02-04 Richard Henderson <rth@cygnus.com>
4067 * i386/openbsd.h (INT_ASM_OP): Define.
4069 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
4071 * tm.texi: Fix various typos.
4073 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
4075 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
4076 (MD_STARTFILE_PREFIX_1): New macro.
4078 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
4080 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
4081 destination when needed.
4082 (strmovsi, strsetsi): New expander.
4083 (strmovsi_1, strsetsi_1): New pattern.
4084 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
4085 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
4086 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
4087 * invoke.texi (align-stringops, inline-all-stringops): Document.
4089 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
4091 * i386/netbsd.h (INT_ASM_OP): Define.
4093 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
4095 * cpplib.h (cpp_reader): Add new flag, no_directives.
4096 * cpphash.c (macarg): Set it.
4097 * cpplib.c (handle_directive): If no_directives is on and we
4098 find a directive, issue an error and discard the line.
4100 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
4102 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
4103 FP constants. Add ! TARGET_FPU check for FP constants.
4105 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
4107 * flow.c (find_basic_blocks): Don't kill label_value_list
4109 (cleanup_cfg): Kill it here.
4111 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4113 * expr.c (store_field): Ensure ALIGN is no stricter than the
4116 2000-02-02 Richard Henderson <rth@cygnus.com>
4118 * jump.c (delete_insn): Partially revert 19 Jan change;
4119 don't convert unused code labels to notes at -O0.
4121 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4123 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
4124 split_all_insns to recreate REG_LABEL notes for flow2 pass.
4126 2000-02-01 Richard Henderson <rth@cygnus.com>
4128 * i386.c (general_no_elim_operand): New.
4129 (nonmemory_no_elim_operand): New.
4130 (ix86_expand_move): Copy eliminable operands before a push.
4131 * i386-protos.h: Declare new functions.
4132 * i386.h (CAN_ELIMINATE): Simplify.
4133 (PREDICATE_CODES): Update.
4134 * i386.md (push insns): Don't allow eliminable register operands.
4136 2000-02-01 Richard Henderson <rth@cygnus.com>
4138 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
4139 replace BLKmode with DECL_RTL's mode.
4141 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
4143 * frame.c (find_fde): Convert for loop to do-while so compiler
4144 sees it's always executed at least once.
4145 * libgcc2.c (BBINBUFSIZE): Kill.
4146 (__bb_init_prg): Use fgets.
4147 (__bb_exit_trace_func): Don't paste strings.
4148 * unroll.c (unroll_loop): Initialize unroll_type, not
4149 unroll_number, and tweak logic to match.
4151 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
4153 (ix86_flags_dependant): Likewise. Disentangle control flow.
4154 (ix86_sched_reorder): Break guts out to
4155 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
4156 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
4159 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
4160 use string concatenation. Don't save and restore esi.
4162 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
4163 (machname.h): Remove script to separate file. Use two-step
4164 sequence so target is not created if script fails.
4165 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
4166 identifiers are defined.
4167 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
4168 an empty string, machine_name doesn't need to do anything at
4170 (is_cxx_header): Add more cases to regexp.
4171 * fixinc/fixlib.h: Update prototype.
4172 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
4174 * fixinc/fixincl.c: Define NO_BOGOSITY.
4176 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
4177 (hp_sysfile): Add missing comma.
4178 (math_exception): Put the wrapper ifdefs at the beginning and
4179 the end of the file.
4180 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
4182 2000-02-01 Richard Henderson <rth@cygnus.com>
4184 * sparc.c (fp_zero_operand): Turn into a normal predicate.
4185 Use CONST0_RTX. Update all callers.
4186 * sparc.h, sparc-protos.h: Update accordingly.
4187 * sparc.md (fp mov insns): Use fp_zero_operand directly
4190 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
4192 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
4195 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4197 * Makefile.in (specs.ready): New target.
4198 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
4200 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4202 * fixinc.irix: Use unique filenames for writing into /tmp,
4203 * fixinc.ptx: Likewise.
4204 * fixinc.sco: Likewise.
4205 * fixinc.svr4: Likewise.
4206 * fixinc.winnt: Likewise.
4208 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4210 * tsystem.h: New file.
4212 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
4213 s-crtS): Depend on tsystem.h.
4215 * crtstuff.c: Include tsystem.h.
4216 * frame.c: Likewise.
4217 * libgcc2.c: Likewise.
4219 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
4221 * builtins.c (expand_builtin_memset): Expand for variable sized
4224 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
4226 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
4229 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4231 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
4233 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
4235 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
4237 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
4238 case 3->2 combining (combining with splitting) in which 2 is CC0
4239 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
4240 checked at the begining of the function with the aid of calling
4241 function 'can_combine_p'.
4243 2000-01-31 Dave Brolley <brolley@redhat.com>
4245 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
4247 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
4249 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
4252 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4254 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
4256 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
4259 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4261 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
4262 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
4263 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
4264 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
4265 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
4266 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
4267 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
4268 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
4269 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
4270 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
4272 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
4273 Add %(cpp_cpu) to CPP_SPEC.
4275 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
4276 Add %(cc1_cpu) to CC1_SPEC.
4278 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4280 * c-decl.c (c_decode_option): Accept optional numeric argument to
4281 -Wformat and set warn_format.
4282 * c-common.c: Don't emit warning about non-constant printf format
4283 string unless warn_format > 1.
4285 2000-01-30 Richard Henderson <rth@cygnus.com>
4287 * alpha.md (return_internal): Allow after reload only.
4289 2000-01-30 Richard Henderson <rth@cygnus.com>
4291 * i386.c (ix86_compute_frame_size): Omit padding1 if the
4292 local frame size is zero.
4294 2000-01-30 Richard Henderson <rth@cygnus.com>
4296 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
4297 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
4298 * alpha.md (return): Turn into an expander.
4299 (return_internal): Don't use $26.
4300 (epilogue): Emit the return insn.
4302 2000-01-30 Richard Henderson <rth@cygnus.com>
4304 * alpha.md (negtf2, abstf2): Fix word order thinko.
4306 (trunctfsf2): Avoid intermediate rounding errors.
4308 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4310 * cppfiles.c (find_position): Drop 'colp' argument, return the
4312 (read_and_prescan): Adjust to match. Don't ever manipulate
4313 line or line_base except via find_position.
4315 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4317 * c-parse.in: Apply Ulrich's changes from c-parse.y.
4318 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
4321 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4323 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
4324 just print "<command line>". If 'filename' is null or an
4325 empty string, print "<stdin>" for the filename.
4326 * cpplib.c (do_define): Don't print the 'location of the
4327 previous definition' message if we're still parsing the
4329 (cpp_pedwarn_with_file_and_line): Always call
4330 cpp_file_line_for_message.
4332 2000-01-29 Mark Mitchell <mark@codesourcery.com>
4334 * flow.c (mark_regs_live_at_end): Fix typo.
4336 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4338 * c-common.c: Adjust variable names, comments, help strings to c99.
4339 * c-lex.c: Likewise.
4340 * c-parse.y: Likewise.
4341 * c-tree.h: Likewise.
4343 * cpplib.h: Likewise.
4344 * c-decl.c: Likewise. Recognize options with names "*99" as well.
4345 * cppinit.c: Likewise.
4347 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4349 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
4350 * c4x.c: Define the optab rtx values.
4351 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
4352 (c4x_emit_libcall): Use new optab rtx values.
4353 (c4x_emit_libcall3): Likewise.
4354 (c4x_emit_libcall_mulhi): Likewise.
4355 * c4x-protos.h: Add prototypes for optab rtx values and change
4356 prototypes for above c4x_emit_libcall functions.
4358 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4360 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
4362 (c4x_function_prologue): Use regnames intead of float_reg_names when
4364 (c4x_function_epilogue): Likewise.
4365 (c4x_print_operand): Likewise.
4366 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
4367 * c4x.md (set_high): Disable for TARGET_TI.
4369 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4371 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
4372 of framepointer + constant to ADDR_REGS class.
4373 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
4374 * c4x.c (std_or_reg_operand): New function.
4375 * c4x-protos.h (std_or_reg_operand): Prototype it.
4377 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4379 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
4380 object names as libgcc2.c.
4381 * libgcc.S: Use newly defined names.
4383 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
4384 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
4386 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
4387 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
4388 (FLOW_LOOP_LAST_BLOCK): Likewise.
4390 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4392 * basic-block.h (struct loop): New fields 'first' and 'last'.
4393 * flow.c (flow_loops_find): Compute loop->first and loop->last.
4394 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
4395 and loop->last to check for NOTE_INSN_LOOP_END.
4397 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
4399 * predict.c (estimate_probability): Use the new FIRST and LAST fields
4400 of the loop descriptor rather than HEADER and LATCH. Also added
4401 missing break statements as well making some coding style modifications
4402 as suggested by Michael Hayes.
4404 2000-01-28 Richard Henderson <rth@cygnus.com>
4406 * flow.c (find_basic_blocks): Remove do_cleanup argument.
4407 Break out that code ...
4408 (cleanup_cfg): ... here.
4409 (commit_one_edge_insertion): Detect a return instruction being
4410 emitted to an edge. Emit a barrier following; clear fallthru.
4411 (commit_edge_insertions): Verify CFG consistency.
4412 * function.c (expand_function_start): Kill unused variable.
4413 (expand_function_end): Likewise.
4414 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
4415 to insert the epilogue.
4417 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
4418 (delete_null_pointer_checks): Likewise.
4419 * output.h: Likewise.
4420 * reg-stack.c (reg_to_stack): Likewise.
4421 * toplev.c (rest_of_compilation): Likewise. Run
4422 thread_prologue_and_epilogue_insns after rebuilding the CFG.
4424 2000-01-28 Richard Henderson <rth@cygnus.com>
4426 * Makefile.in (flow.o): Revert 24 Jan change.
4427 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
4428 FUNCTION_VALUE result to DECL_RESULT's mode.
4430 * haifa-sched.c (schedule_insns): Don't recompute reg info
4433 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
4435 * configure.in: Make --enable-cpplib the default.
4436 * configure: Regenerate.
4437 * gcc.dg/990119-1.c: No longer expected to fail.
4439 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
4441 * jump.c (jump_optimize_1): Delete an optimization that is also done
4442 by merge_blocks in flow.
4444 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4446 * diagnostic.c (build_message_string, output_printf,
4447 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
4448 (build_location_prefix): Fix non-literal format string.
4450 2000-01-27 Richard Henderson <rth@cygnus.com>
4452 * alpha.md (trunctfsf2): New.
4454 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
4456 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
4458 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4460 * cppinit.c (cpp_handle_option): Recognize C++ comments under
4462 * cpplib.c (skip_block_comment, skip_line_comment): Split code
4464 (skip_comment) ... here. Permit C++ comments in system
4465 headers always. Warn about C++ comments in user code under
4466 -std=gnu89 -pedantic.
4467 (copy_comment): Use skip_comment.
4468 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
4470 (consider_directive_while_skipping, do_else, do_endif): Call
4471 validate_else unconditionally.
4472 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
4473 text after the conditional in a system header.
4474 * cpplib.h (struct cpp_buffer): Add flag
4475 warned_cplusplus_comments.
4477 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4479 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
4480 Use unshare_all_rtl_1.
4481 (unshare_all_rtl_again): New function.
4482 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
4484 * function.c (purge_addressof_1): Use unshare_all_rtl_again
4485 rather than resetting the 'used' flags ourself.
4487 * toplev.c (rest_of_compilation): Add current_function_decl
4488 to the unshare_all_rtl call.
4489 * tree.h: Prototype unshare_all_rtl.
4490 * rtl.h: Prototype unshare_all_rtl_again here.
4492 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4494 * genoutput.c (output_prologue): Include ggc.h in generated
4496 * Makefile.in (insn-output.o): Depends on ggc.h.
4498 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
4499 Hans-Peter Nilsson <hp@bitrange.com>
4501 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
4502 Remove redundant include of xm-ns32k.h.
4503 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
4504 Remove redundant include of xm-ns32k.h.
4505 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
4506 Remove redundant include of xm-ns32k.h.
4507 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
4509 * ns32k/ns32k.h: Update comment on multiply-add instructions.
4510 (TARGET_SWITCHES): Add documentation strings.
4511 (DWARF_FRAME_REGNUM): Override default definition.
4512 (REG_CLASS_CONTENTS): Add comments.
4513 (SUBSET_P): Format to reduce line length.
4514 (SMALL_REGISTER_CLASSES): Make a run time option.
4515 (GO_IF_NONINDEXED_ADDRESS): Reformat.
4516 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
4517 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
4518 (regclass_map): fix typo in comment.
4519 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
4520 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
4521 (trace, reg_or_mem_operand): Delete, unused function.
4522 (calc_address_cost): Small offsets are cheaper than large ones.
4523 (expand_block_move): Generate more efficient code when bytes is a
4524 known at compile time.
4525 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
4526 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
4527 instead of reg_or_mem_operand.
4529 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
4530 not general_operand. Similarly use "=rm" or stricter, not "=g".
4531 For input operands, use stricter constraints than "g" if not
4532 general_operand. Similarly use stricter predicate than
4533 "general_operand" when stricter constraints than "g" are present,
4534 except for matching constraints.
4535 (movstrsi): Use "memory_operand" for operands 0 and 1.
4536 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
4537 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
4538 not reg_or_mem_operand.
4539 (udivmoddisi4): Ditto.
4540 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4541 Use nonimmediate_operand for operand 3, not register_operand.
4542 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4545 2000-01-27 Fred Fish <fnf@be.com>
4547 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4548 * gthr-single.h: Likewise.
4549 * gthr-solaris.h: Likewise.
4550 * gthr-vxworks.h: Likewise.
4551 * gthr-win32.h: Likewise.
4554 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4556 * cppinit.c: Add " (cpplib)" to end of string printed by
4559 2000-01-27 Richard Henderson <rth@cygnus.com>
4561 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4562 testing for a signed comparison.
4563 (alpha_emit_floatuns): New.
4564 * alpha-protos.h: Declare it.
4565 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4566 (extendsfdf2): Tidy.
4568 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4570 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4571 no -g option specifying debugging format, default to -gstabs+.
4573 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4575 * calls.c (special_function_p): New argument fork_or_exec.
4576 (expand_call): When profile_arc_flag is set and the function
4577 is in the fork_or_exec group, call __bb_fork_func first.
4578 * libgcc2.c, _bb module (__bb_fork_func): New function.
4579 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4581 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4582 * tree.h (special_function_p): Update prototype.
4584 2000-01-26 Richard Henderson <rth@cygnus.com>
4586 * alpha.c (alpha_split_tfmode_pair): New.
4587 * alpha-protos.h: Declare it.
4588 * alpha.md (abstf2, negtf2): New.
4589 (movtf insn): Add input G constraint.
4590 (movtf splitter): Use alpha_split_tfmode_pair.
4592 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4594 * i386/cygwin.h: PROTO -> PARAMS.
4596 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4598 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4599 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4600 using _Qp_cmp/_Q_cmp and testing the return value.
4601 (print_operand): Call reverse_condition_maybe_unordered if
4602 we are handling CCFPmode or CCFPEmode.
4603 Handle ORDERED, UN* and LTGT comparisons.
4604 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4605 if not TARGET_HARD_QUAD.
4606 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4607 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4608 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4609 Adjust gen_b* calls so that they reflect return comparison of
4610 sparc_emit_float_lib_cmp.
4612 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4614 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4615 incoming operands array is large enough for one more operand.
4616 (alpha_emit_xfloating_arith): Likewise.
4618 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4620 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4621 file with one line and no trailing newline.
4622 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4623 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4624 checking if the match is on the line.
4625 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4627 2000-01-25 Richard Henderson <rth@cygnus.com>
4629 * sparc.c (output_cbranch): Fix accidental squashing of the
4630 fp branch pre-delay nop.
4632 2000-01-25 Richard Henderson <rth@cygnus.com>
4634 * tree.def (UNNE_EXPR): Remove.
4635 * c-typeck.c (build_binary_op): Don't handle it.
4636 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4638 * rtl.def (UNNE): Remove.
4640 * jump.c (reverse_condition): Update accordingly.
4641 (swap_condition): Likewise.
4642 (comparison_dominates_p): Handle unordered comparisons.
4643 (reverse_condition_maybe_unordered): New.
4644 * rtl.h (reverse_condition_maybe_unordered): Declare.
4646 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4647 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4648 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4649 * sparc.md (bltgt): New.
4651 2000-01-25 Nick Clifton <nickc@redhat.com>
4653 * emit-rtl.c (emit_insn): Only check machine class insns for
4654 improper emission of a RETURN.
4656 2000-01-25 Richard Henderson <rth@cygnus.com>
4658 * Makefile.in (flow.o): Depend on $(EXPR_H).
4659 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4660 duplicate the structure of diddle_return_value for keeping regs live.
4662 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4664 * loop.c (current_loop_info): Delete.
4665 (consec_sets_invariant_p): Add loop argument, update callers.
4666 (get_condition_for_loop): Likewise.
4667 (count_nonfixed_reads, update_giv_derive): Likewise.
4668 (simplify_giv_expr, general_induction_var): Likewise.
4669 (consec_sets_giv, recombine_givs): Likewise.
4670 (move_movables): Delete loop_start and loop_end arguments,
4671 add loop argument, and update callers.
4672 (find_mem_givs, check_final_value): Likewise.
4673 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4674 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4676 (basic_induction_var): Add loop argument, delete loop_level argument,
4678 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4679 add loop argument, and update callers.
4680 (find_splittable_regs, find_splittable_givs): Likewise.
4681 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4682 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4683 (biv_total_increment): Delete loop_start and loop_end arguments;
4685 (precondition_loop_p): Delete loop_start and loop_info arguments;
4687 * loop.h (get_condition_for_loop): Add loop argument.
4688 (biv_total_increment): Delete loop_start and loop_end arguments.
4689 (precondition_loop_p): Delete loop_start and loop_info arguments;
4691 (final_biv_value): Delete loop_start and loop_end arguments;
4693 (final_giv_value, back_branch_in_range_p): Likewise.
4695 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4697 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4699 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4701 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4702 point to the new "generated_files" doc.
4704 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4706 * config/fp-bit.c (_unord_f2): Fix typo.
4708 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4710 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4711 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4712 functions obsoleted by GC, such as push_obstacks_nochange,
4713 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4714 and code which existed only to decide whether or not to call
4715 them. Remove now-unused NESTED argument from start_function;
4716 all callers changed. Do not change behavior based on ggc_p.
4717 The use of the ixp_obstack in c-iterate.c and the util_obstack
4718 in objc/objc-act.c remain; these are not obsoleted by garbage
4720 * c-tree.h: Update prototype for start_function.
4722 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4724 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4726 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4729 2000-01-25 Richard Henderson <rth@cygnus.com>
4731 * sparc-protos.h (select_cc_mode): Declare.
4732 * sparc.c (select_cc_mode): New. Handle unordered compares.
4733 (output_cbranch): Always reverse via code change. Handle
4734 unordered compares. Factor tests and string updates.
4735 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4736 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4737 * sparc.md (bunordered, bordered): New.
4738 (bungt, bunlt, buneq, bunge, bunle): New.
4740 2000-01-25 Richard Henderson <rth@cygnus.com>
4742 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4743 * ggc-common.c (ggc_add_rtx_varray_root): New.
4744 (ggc_mark_rtx_varray): New.
4745 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4746 functions down below ggc_mark_foo.
4747 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4749 2000-01-25 Richard Henderson <rth@cygnus.com>
4751 * alpha.c (secondary_reload_class): Don't allocate a secondary
4752 for integral mode memories into FLOAT_REGS. Rearrange the more
4753 complicated memory expression inward.
4755 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4757 * inclhack.def: Fixes to play nicer with FreeBSD, and
4758 corrections to comments.
4759 (cxx_unready): Add select expression.
4760 (irix_sockaddr): Add bypass expression.
4761 (machine_ansi_h_va_list): New fix.
4762 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4763 Split out addition of "#include <stdarg.h>" to...
4764 (stdio_stdarg_h): ... here.
4765 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4766 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4767 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4769 (ultrix_ifdef): Tighten up select expression.
4771 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4772 re_ct and max_mach to avoid use of shell. Make printed names
4773 match names in inclhack.def. Use static copyright date.
4774 Don't count c_test and test expressions as requiring regex_t
4775 slots. Add some commentary.
4776 * inclhack.tpl: Do not include the 'This script contains N
4777 fixup scripts' line if PROGRAM is defined. Use static
4780 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4782 * dwarf2out.c: include "varray.h", not dyn-string.h.
4783 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4784 (addr_const_to_string, addr_to_string): Lose.
4785 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4786 (struct dw_val_struct): val_addr is now an rtx.
4787 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4788 (used_rtx_varray): New varray.
4789 (dwarf2out_init): Initialize it.
4791 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4793 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4794 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4795 * Makefile.in (dwarf2out.o): Update dependencies.
4797 2000-01-24 Richard Henderson <rth@cygnus.com>
4799 * i386.c (i386_dwarf_output_addr_const): New.
4800 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4802 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4804 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4805 * i386.c (i386_simplify_dwarf_addr): New.
4806 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4808 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4810 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4811 TYPE_STUB_DECL is NULL.
4813 2000-01-24 Richard Henderson <rth@cygnus.com>
4815 * builtins.c (expand_tree_builtin): Move ...
4816 * c-common.c (expand_tree_builtin): ... here.
4818 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4820 * loop.h (LOOP_INFO): New accessor macro.
4821 * basic-block.h (struct loop): Rename field `info' to `aux'.
4822 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4823 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4824 * unroll.c (loop_iterations, unroll_loop): Likewise.
4826 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4828 * config/i386/t-cygwin: Accomodate new winsup directory layout
4829 when searching for include files.
4831 2000-01-24 Richard Henderson <rth@cygnus.com>
4833 * rtl.def: Add unordered fp comparisions.
4834 * tree.def: Likewise.
4835 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4837 * builtins.c (expand_tree_builtin): New function.
4838 * c-typeck.c (build_function_call): Use it.
4839 (build_binary_op): Support unordered compares.
4840 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4842 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4843 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4844 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4845 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4846 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4848 (swap_condition): Handle unordered compares.
4849 (thread_jumps): Check can_reverse before reversing.
4850 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4853 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4854 setcc is present before acking for cmp_optab. Update all callers.
4855 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4856 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4857 * expr.c (expand_expr): Likewise. Support unordered compares.
4858 (do_jump, do_store_flag): Likewise.
4859 * expr.h (enum libfunc_index): Add unordered compares.
4861 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4862 (DPBIT_FUNCS): Add _unord_df.
4863 * config/fp-bit.c (_unord_f2): New.
4864 * fp-test.c (main): Try unordered compare builtins.
4866 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4867 * alpha.c (alpha_comparison_operator): Check mode properly.
4868 (alpha_swapped_comparison_operator): Likewise.
4869 (signed_comparison_operator): Likewise.
4870 (alpha_fp_comparison_operator): New.
4871 (alpha_emit_conditional_branch): Handle unordered compares.
4872 * alpha.h (PREDICATE_CODES): Update.
4873 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4874 (bunordered, bordered): New.
4876 2000-01-24 Richard Henderson <rth@cygnus.com>
4878 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4879 * alpha.md (movtf): New expander, insn, and splitter.
4881 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4883 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4886 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4888 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4889 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4890 REG_ALLOC_ORDER): Add frame pointer
4891 (FRAME_POINTER_REGNUM): Set to 20
4892 (HARD_FRAME_POINTER_REGNUM): New macro.
4893 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4894 to HARD_FRAME_POINTER.
4895 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4896 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4897 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4898 (HI_REGISTER_NAMES): Add "frame".
4899 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4900 (debug_reg): Handle FRAME_POINTER_REGNUM.
4901 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4902 GENERAL_REGS and INDEX_REGS.
4903 * i386.c (SAVED_REGS_FIRST): new macro.
4904 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4905 (ix86_decompose_address, memory_address_length): Likewise.
4906 (regclass_map): Add frame pointer.
4907 (call_insn_operand): Handle frame_pointer_rtx.
4908 (reg_no_sp_operand): Likewise.
4909 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4910 (print_operand, legitimize_pic_address): Fix formating.
4911 (ix86_compute_frame_size): Make static, update prototype, new
4912 parameters padding1, padding2, use ix86_nsaved_regs, use
4913 stack_alignment_needed.
4914 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4915 to HARD_FRAME_POINTER_REGNUM conversions.
4916 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4917 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4918 (print_reg): Abort on FRAME_POINTER_REGNUM
4920 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4922 * i386.h (PREDICATE_CODES): Add aligned_operand.
4923 * i386.c (aligned_operand): New function.
4924 (ix86_aligned_p): Kill.
4925 * i386.md (movhi_1): Emit mov for aligned operands.
4926 (promoting peep2s): Use aligned_operand.
4928 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4930 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4931 expression to allow underscores in macro names.
4932 (fix_char_macro_defines): Increment scanning pointer.
4934 2000-01-23 Richard Henderson <rth@cygnus.com>
4936 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4937 * alpha/osf5.h: New file.
4938 * configure.in (alpha-*-osf5): Add it to tm_file.
4940 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4942 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4943 (alpha_emit_xfloating_cvt, function_arg): Declare.
4944 * alpha.c (alpha_emit_conditional_branch): Call
4945 alpha_emit_xfloating_compare for TFmode compares.
4946 (alpha_lookup_xfloating_lib_func): New.
4947 (alpha_compute_xfloating_mode_arg): New.
4948 (alpha_emit_xfloating_libcall): New.
4949 (alpha_emit_xfloating_arith): New.
4950 (alpha_emit_xfloating_compare): New.
4951 (alpha_emit_xfloating_cvt): New.
4952 (print_operand): Add default abort case.
4953 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4954 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4955 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4956 (RETURN_IN_MEMORY): True for TF/TCmode.
4957 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4958 (FUNCTION_ARG): Move to function_arg.
4959 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4960 (ASM_OUTPUT_LONG_DOUBLE): New.
4961 (ASM_OUTPUT_DOUBLE): Always output bits.
4962 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4963 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4964 (extenddftf2, trunctfdf2): New.
4966 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4968 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4969 * config/sparc/sol2.h: ... here.
4971 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4973 * basic-block.h (struct loops): New field `levels'.
4974 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4975 (flow_loop_level_compute): Initialise level to 1.
4976 (flow_loops_find): Set loops->levels.
4977 (flow_loops_dump): Print loops->levels.
4979 2000-01-23 Richard Henderson <rth@cygnus.com>
4981 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4982 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4984 2000-01-23 Richard Henderson <rth@cygnus.com>
4986 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4987 * i386.h (DBX_REGISTER_NUMBER): Use them.
4988 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4989 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4990 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4991 * i386/sequent.h: Kill incorrect comment.
4993 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4995 * ggc-page.c (struct page_entry): Make `context_depth' an
4997 (struct globals): Likewise.
4999 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
5001 * loop.c (check_dbra_loop): When checking a loop for
5002 reversability, check the source of any stores to ensure
5003 they don't depend on an initial value.
5005 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5007 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
5009 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
5011 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
5012 'pz_scan' into scope of entire function. Only affects
5013 compiles with -DDEBUG.
5015 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
5017 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
5018 section naming to that prior to 2000-01-07 patch.
5019 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
5020 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
5021 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
5022 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
5023 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
5025 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
5027 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
5030 2000-01-21 Jim Wilson <wilson@cygnus.com>
5032 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
5033 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
5035 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
5037 * cpphash.c (change_newlines): Delete function.
5038 (struct argdata): Delete 'newlines' and 'use_count' fields.
5039 (macroexpand): Remove code referencing those fields.
5041 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5043 * loop.c (loops_info): New variable.
5044 (loop_optimize): Allocate loops->array and free it on exit.
5045 Allocate memory for loops_info and assign to each loop,
5047 (find_and_verify_loops): Do not allocate loops->array.
5049 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
5051 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
5053 2000-01-21 Jakub Jelinek <jakub@redhat.com>
5055 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
5056 pseudos if expanded after first flow.
5057 (movdi_pic_label_ref): Likewise.
5059 2000-01-20 Richard Henderson <rth@cygnus.com>
5061 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
5063 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
5065 * Makefile.in (fixinc.sh): Depend on specs.
5066 * fixinc/Makefile.in: Add rule to create machname.h.
5067 (fixlib.o): Depend on machname.h.
5068 * fixinc/fixtests.c (machine_name): New test.
5069 * fixinc/fixfixes.c (machine_name): New fix.
5070 * fixinc/fixlib.c (mn_get_regexps): New helper function for
5071 the machine_name test and fix.
5072 * fixinc/fixlib.h: Prototype it.
5073 * fixinc/inclhack.def (machine_name): Use the C test and fix.
5074 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
5076 * gcc.c (do_spec_1) [case P]: Take care not to create
5077 identifiers with three leading or trailing underscores.
5079 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
5080 (fixincl): Don't specify libraries twice on link line.
5081 (gnu-regex.o): Remove special rule.
5082 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
5083 defined by config.h. Do not define _REGEX_RE_COMP.
5084 (regcomp): Allocate and initialize a fastmap.
5085 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
5087 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
5089 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
5091 2000-01-19 Richard Henderson <rth@cygnus.com>
5093 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
5094 arguments with BB. Update all callers. Tidy line wrapping.
5096 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
5098 * emit-rtl.c (try_split): Return last_insn if we split the
5101 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
5103 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
5104 (ix86_initial_elimination_offset): Declare.
5105 * i386.c (ix86_nsaved_regs): Break out from ...
5106 (ix86_can_use_return_insn_p): ... here.
5107 (ix86_emit_save_regs): Break out from ...
5108 (ix86_expand_prologue): ... here.
5109 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
5111 (ix86_expand_epilogue): ... here.
5112 (ix86_compute_frame_size): Make static, add prototype.
5113 (ix86_initial_elimination_offset): Break out from ...
5114 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
5116 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5118 * recog.h (OUT_FCN): Delete.
5120 * vax.md: Call `get_insn_template' instead of OUT_FCN.
5122 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5124 * cppalloc.c: PROTO -> PARAMS.
5125 * cpperror.c: Likewise.
5126 * cppfiles.c: Likewise.
5127 * cpplib.c: Likewise.
5128 * cpplib.h: Likewise.
5130 * config/arm/arm-protos.h: PROTO -> PARAMS.
5131 * config/arm/arm.c: Likewise.
5132 * config/c4x/c4x.c: Likewise.
5133 * config/fr30/fr30-protos.h: Likewise.
5134 * config/nextstep.c: Likewise.
5135 * config/pa/pa.c: Likewise.
5136 * config/pj/pj.c: Likewise.
5137 * config/rs6000/rs6000.c: Likewise.
5138 * config/v850/v850-protos.h: Likewise.
5139 * config/v850/v850.c: Likewise.
5141 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5143 * i370-protos.h: New file.
5145 * i370.c: Include tm_p.h. Fix compile time warnings.
5147 * i370.h: Move prototypes to i370-protos.h. Fix compile time
5150 * i370.md: Likewise.
5152 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5154 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
5155 (target_isinf, target_isnan, eisnan): Mark parameter with
5157 (eiisinf): Wrap in INFINITY.
5158 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
5159 (ibmtoe): Remove unused variable `rndsav'.
5161 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5163 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
5164 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
5166 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
5168 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
5169 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
5170 (fix_char_macro_defines, fix_char_macro_uses): New functions.
5172 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
5173 Recognize Emacs mode markers also.
5174 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
5175 C++ comments in C++ headers. Call is_cxx_header only if
5178 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
5180 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
5181 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
5182 ... these, which use the new C fixes.
5183 (math_exception): Escape literal '+' in bypass expression.
5185 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
5188 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5190 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
5193 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5195 * loop.c (loop_optimize): Allocate loop_info structure for each loop
5196 prior to calling scan_loop.
5198 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5200 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
5201 (split_branches, calc_live_regs): Likewise.
5203 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5205 * sh.md (fpu_single, fp_mode): New attributes.
5207 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5209 * loop.c (current_loop_info): Renamed from loop_info_data
5210 and changed to a pointer.
5211 (loop_optimize): Allocate loop_info structure for each loop
5212 and initialise to zero.
5213 (scan_loop): Set current_loop_info.
5215 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
5218 2000-01-19 Richard Henderson <rth@cygnus.com>
5220 * stupid.c: Die die die.
5221 * Makefile.in (OBJS): Remove stupid.o.
5222 (stupid.o): Likewise.
5224 * except.c (emit_eh_context): Don't emit USEs for stupid.
5225 * explow.c (probe_stack_range): Likewise.
5226 * flags.h (obey_regdecls): Remove.
5227 * flow.c (find_basic_blocks): Don't run try_merge_blocks
5228 when not optimizing.
5229 (life_analysis): Limit data collection when not optimizing.
5230 (mark_regs_live_at_end): Always mark the return value registers.
5231 (mark_used_regs): Remove dummy RETURN case.
5232 (print_rtl_with_bb): Don't consult obey_regdecls.
5233 * function.c (use_variable, use_variable_after): Remove.
5234 (assign_parms): Consult optimize not obey_regdecls.
5235 (expand_function_start): Don't emit USEs for stupid.
5236 (expand_function_end): Likewise.
5237 * global.c (build_insn_chain): Export.
5238 * integrate.c (expand_inline_function): Kill return-value USE
5240 * jump.c (jump_optimize_1): Do simple jump optimizations and
5241 dead code elimination.
5242 (calculate_can_reach_end): Remove check_deleted argument.
5243 (delete_insn): Patch out insns even when not optimizing.
5244 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
5245 * rtl.h (use_variable, use_variable_after): Remove declarations.
5246 (build_insn_chain): Declare.
5247 * stmt.c (expand_value_return): Don't emit USEs for stupid.
5248 (expand_end_bindings): Likewise.
5249 (expand_decl): Likewise. Consult optimize not obey_regdecls.
5250 * toplev.c (obey_regdecls): Remove.
5251 (rest_of_compilation): Don't set it. Kill stupid in favour of
5252 flow1, local-alloc, and reload.
5253 (main): Don't set obey_regdecls.
5255 * config/nextstep.c (handle_pragma): Likewise.
5257 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
5259 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
5261 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5263 * alpha-protos.h: PROTO -> PARAMS.
5264 * alpha.c: Likewise.
5266 * h8300.c: Likewise.
5267 * i386-protos.h: Likewise.
5269 * m32r-protos.h: Likewise.
5272 * mips.md: Likewise.
5273 * gmon-sol2.c: Likewise.
5274 * sparc.c: Likewise.
5276 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5278 * ns32k-protos.h: New file.
5280 * ns32k.c: Fix compile time warnings.
5282 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
5285 * ns32k.md: Likewise.
5287 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5289 * vax-protos.h: New file.
5291 * vax.c: Fix compile time warnings.
5293 * vax.h: Move prototypes to vax-protos.h. Fix compile time
5298 * vaxv.md: Likewise.
5300 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5302 * romp-protos.h: New file.
5304 * romp.c: Fix compile time warnings.
5306 * romp.h: Move prototypes to romp-protos.h. Fix compile time
5309 * romp.md: Likewise.
5311 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5313 * we32k-protos.h: New file.
5315 * we32k.c: Fix compile time warnings.
5317 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
5320 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5322 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
5324 * except.c (eh_regs): Likewise.
5326 * final.c (output_operand): Likewise.
5328 * fold-const.c (target_isinf, target_isnan): Likewise.
5330 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5332 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
5333 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
5335 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
5337 (clrstrsi): Rewrite.
5338 (strsethi, strsetqi): New expanders.
5339 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
5340 (cmpstrsi): Emit compare insn before cmpstrsi_1
5341 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
5342 (strlensi_1): Likewise.
5343 (cmpstrsi_1): Likewise; do not output compare.
5344 (strlen expander): Do not unroll when optimizing for size.
5345 (*subsi3_carry): Rename to subsi3_carry
5346 (addqi3_cc): New pattern.
5347 * i386.h (processor_costs): Add move_ratio field.
5348 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
5349 * i386.c (*_cost): Set move_ratio.
5350 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
5351 (x86_expand_strlensi_1): Rewrite the main loop.
5353 2000-01-17 Richard Henderson <rth@cygnus.com>
5355 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
5356 * cse.c (find_comparison_args, fold_rtx): Likewise.
5357 * integrate.c (subst_constants): Likewise.
5358 * loop.c (get_condition): Likewise.
5360 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
5362 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
5364 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5366 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
5367 (RESTORE_WARN_FLAGS): Unpack it.
5368 Change semantic type of extension to ttype.
5369 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
5370 * c-parse.y, c-parse.c, objc/objc-parse.y,
5371 objc/objc-parse.c: Regenerate.
5373 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
5375 * fixinc/fixlib.c: Add copyright notice.
5376 (compile_re): New function.
5377 * fixinc/fixlib.h: Prototype compile_re.
5379 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
5380 Use compile_re to compile regular expressions.
5382 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
5383 where the pattern matched.
5385 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
5387 (ultrix_ansi_compat): Likewise.
5388 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
5390 (interactv_add2, interactv_add3): Delete.
5391 (x11_sprintf): Don't use filename glob.
5392 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
5395 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * print-rtl.c: PROTO -> PARAMS.
5399 * reg-stack.c: Likewise.
5400 * resource.c: Likewise.
5401 * sdbout.h: Likewise.
5402 * simplify-rtx.c: Likewise.
5403 * stor-layout.c: Likewise.
5404 * stupid.c: Likewise.
5405 * xcoffout.c: Likewise.
5406 * xcoffout.h: Likewise.
5408 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5410 * toplev.c: PROTO -> PARAMS.
5411 * toplev.h: Likewise.
5414 * unroll.c: Likewise.
5415 * varasm.c: Likewise.
5416 * varray.c: Likewise.
5417 * varray.h: Likewise.
5419 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5421 * reload.c: PROTO -> PARAMS.
5422 * reload.h: Likewise.
5423 * reload1.c: Likewise.
5424 * reorg.c: Likewise.
5425 * resource.h: Likewise.
5428 * rtlanal.c: Likewise.
5429 * sbitmap.h: Likewise.
5430 * sdbout.c: Likewise.
5431 * stack.h: Likewise.
5433 * system.h: Likewise.
5435 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5437 * machmode.h: PROTO -> PARAMS.
5438 * mbchar.h: Likewise.
5439 * mips-tdump.c: Likewise.
5440 * mips-tfile.c: Likewise.
5441 * optabs.c: Likewise.
5442 * output.h: Likewise.
5443 * prefix.c: Likewise.
5444 * profile.c: Likewise.
5445 * protoize.c: Likewise.
5447 * recog.c: Likewise.
5448 * recog.h: Likewise.
5449 * regclass.c: Likewise.
5450 * regmove.c: Likewise.
5453 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5455 * ggc-common.c: PROTO -> PARAMS.
5456 * ggc-page.c: Likewise.
5457 * ggc-simple.c: Likewise.
5459 * global.c: Likewise.
5460 * graph.c: Likewise.
5461 * gthr-win32.h: Likewise.
5462 * haifa-sched.c: Likewise.
5463 * halfpic.h: Likewise.
5464 * integrate.c: Likewise.
5465 * integrate.h: Likewise.
5468 * local-alloc.c: Likewise.
5472 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5474 * genattr.c: PROTO -> PARAMS.
5475 * genattrtab.c: Likewise.
5476 * gencheck.c: Likewise.
5477 * gencodes.c: Likewise.
5478 * genconfig.c: Likewise.
5479 * genemit.c: Likewise.
5480 * genextract.c: Likewise.
5481 * genflags.c: Likewise.
5482 * gengenrtl.c: Likewise.
5483 * genopinit.c: Likewise.
5484 * genoutput.c: Likewise.
5485 * genpeep.c: Likewise.
5486 * genrecog.c: Likewise.
5488 2000-01-16 Mark Mitchell <mark@codesourcery.com>
5490 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
5492 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5494 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
5495 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
5496 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
5497 * configure, config.in: Rebuilt.
5499 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
5501 * config/i386/i386.md: Add peephole to merge successive stack
5504 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
5506 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
5507 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
5508 when walking backwards to find all the parameter loads when
5509 the basic block ends in a call.
5511 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5513 * loop.c (this_loop_info): Delete.
5514 (uid_loop): Add in place of uid_loop_num. All uses updated.
5515 (loop_number_exit_count): Delete and replace with entry in loop
5516 structure. All uses updated.
5517 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5518 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5519 (loop_outer_loop): Likewise.
5520 (loop_invalid, loop_number_exit_labels): Likewise.
5521 (loop_used_count_register): Delete and replace with entry in
5522 loop_info structure.
5523 (find_and_verify_loops): Add loops argument.
5524 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
5525 loop_end, etc. arguments with loop structure pointer. All callers
5527 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
5528 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
5529 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
5530 (insert_bct): Likewise.
5531 (basic_induction_var): New argument level.
5532 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
5533 vtop, and cont. Add used_count_register.
5534 (uid_loop): Delete declaration.
5535 (loop_number_exit_count): Likewise.
5536 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5537 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5538 (loop_outer_loop, loop_used_count_register): Likewise.
5539 (loop_invalid, loop_number_exit_labels): Likewise.
5540 (unroll_loop): Replace loop_start and loop_end arguments
5541 with loop structure pointer.
5542 (loop_precondition_p, loop_iterations): Likewise.
5543 Include basic-block.h.
5544 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5545 with loop structure pointer.
5546 (loop_precondition_p, loop_iterations): Likewise.
5547 * basic-block.h (struct loop): New entries vtop, cont,
5548 cont_dominator, start, end, top, scan_start, exit_labels,
5550 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5552 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5554 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5556 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5558 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5560 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5562 * pdp11-protos.h: New file.
5564 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5567 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5570 * pdp11.md: Likewise.
5574 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5576 * mn10300-protos.h: New file.
5578 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5581 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5584 * mn10300.md: Likewise.
5586 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * mn10200-protos.h: New file.
5590 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5593 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5596 * mn10200.md: Likewise.
5598 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5600 * h8300-protos.h: New file.
5602 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5605 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5608 * h8300.md: Likewise.
5610 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5612 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5613 (asm_emit_uninitialised): Likewise.
5615 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5617 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5618 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5620 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5622 * config/mips/mips.c (override_options): Don't turn on extra
5623 alignment for mips16.
5625 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5627 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5628 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5631 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5633 * builtins.c (PAD_VARARGS_DOWN): Define.
5634 (std_expand_builtin_va_arg): Use the above macro.
5635 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5636 * tm.texi (Register Arguments): Document the above macro.
5638 2000-01-14 Nick Clifton <nickc@cygnus.com>
5640 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5641 that this function has not been used to emit a jump
5644 * jump.c (return_jump_1): Cope with being passed a null rtx.
5646 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5648 * eh-common.h: PROTO -> PARAMS.
5649 * emit-rtl.c: Likewise.
5650 * errors.c: Likewise.
5651 * errors.h: Likewise.
5652 * except.c: Likewise.
5653 * except.h: Likewise.
5654 * explow.c: Likewise.
5655 * expmed.c: Likewise.
5658 * final.c: Likewise.
5659 * fix-header.c: Likewise.
5661 * fold-const.c: Likewise.
5662 * function.c: Likewise.
5663 * function.h: Likewise.
5665 * gcov-io.h: Likewise.
5669 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5671 * sh-protos.h: New file.
5673 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5674 Add static prototypes. Fix compile time warnings.
5676 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5680 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5682 * arc-protos.h: New file.
5684 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5687 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5692 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5694 * dsp16xx-protos.h: New file.
5696 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5699 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5702 * dsp16xx.md: Likewise.
5704 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * convex-protos.h: New file.
5708 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5711 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5714 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5716 * elxsi-protos.h: New file.
5718 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5721 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5724 * elxsi.md: Likewise.
5726 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5728 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5729 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5730 match the comment for MIPS16.
5732 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5734 * flow.c (split_edge): Do not call set_block_for_insn if we
5735 do not have a basic_block_for_insn structure.
5737 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5738 and destination functions are 32bit aligned within the trampoline.
5739 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5740 (TRAMPOLINE_ALIGNMENT): Define.
5742 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5743 (set (pc) (label_ref)), verify the change creates a valid insn.
5745 * fr30.c (call_operand): Tighten and rework to match rules for
5746 call RTL expressions.
5747 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5748 * fr30.md (call patterns): Improve constraints.
5750 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5752 * fr30.c (fr30_expand_epilogue): Revert last change.
5753 Use emit_jump_insn for the return insn.
5755 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5756 Stan Cox <scox@cygnus.com>
5758 * predict.c: New file. Preliminary infrastructure work for static
5759 branch prediction and basic block reordering.
5760 * basic-block.h: Add prototype for estimate_probability.
5761 * Makefile.in: Add rules for predict.o.
5763 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5765 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5766 * fixinc/*: Likewise.
5768 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5770 * cccp.c: PROTO -> PARAMS.
5772 * collect2.c: Likewise.
5773 * combine.c: Likewise.
5774 * convert.h: Likewise.
5776 * dbxout.c: Likewise.
5777 * dbxout.h: Likewise.
5778 * diagnostic.c: Likewise.
5779 * doprint.c: Likewise.
5780 * dwarf2out.c: Likewise.
5781 * dwarf2out.h: Likewise.
5782 * dwarfout.c: Likewise.
5783 * dwarfout.h: Likewise.
5784 * dyn-string.h: Likewise.
5786 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5788 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5789 macro conditionals guarding use.
5791 * dwarf2out.c: Include "tm_p.h".
5793 * function.c (locate_and_pad_parm): Mark parameter with
5795 (expand_function_end): Likewise for variable `context'.
5797 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5799 2000-01-13 Nick Clifton <nickc@cygnus.com>
5801 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5802 register to prevent compile time warnings.
5804 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5806 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5807 to avoid -Wtraditional warning.
5809 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5811 * 1750a-protos.h: New file.
5813 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5816 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5819 * 1750a.md: Likewise.
5821 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5823 * a29k-protos.h: New file.
5825 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5828 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5831 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5833 * clipper-protos.h: New file.
5835 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5838 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5841 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5843 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5845 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5847 * configure.in (--enable-new-gxx-abi): New option.
5848 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5849 * Makefile.in (GXX_ABI_FLAG): New variable.
5850 * configure: Regenerate.
5852 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5854 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5855 * tm.texi (FORCE_STRUCT_BLK): Document.
5856 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5858 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5860 * config/ns32k/ns32k.md: Revert Jan 9 change.
5862 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5863 to a mode-test, if the predicate is address_operand.
5865 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5867 * combine.c (if_then_else_cond): Be careful about what kinds
5868 of RTL expressions are passed to operand_subword.
5870 * flow.c (split_edge): If we have to insert a new jump, make
5871 sure to associate it with a basic block.
5873 * flow.c (commit_one_edge_insertion): A block with one successor
5874 can end in a JUMP_INSN that is not a simplejump.
5876 2000-01-12 Robert Lipe <robertl@sco.com>
5878 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5879 (BUILD_VA_LIST_TYPE): Define.
5880 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5883 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5885 * cccp.c (do_pragma): Add cast to (char *).
5887 2000-01-12 Richard Henderson <rth@cygnus.com>
5888 Fred Fish <fnf@be.com>
5889 Jason Merrill <jason@cygnus.com>
5891 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5892 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5893 * i386/beos-elf.h, i386/beos-pe.h: New files.
5895 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5896 * cross-make (SYSTEM_HEADER_DIR): Define using
5897 CROSS_SYSTEM_HEADER_DIR.
5899 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5900 (process_command): Use it.
5901 (main): Likewise. Kill trailing = from env vars.
5902 (build_search_list): Put it back.
5903 * collect2.c (main): Use LIBRARY_PATH_ENV.
5905 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5906 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5908 * tm.texi (Frame Layout): Document SMALL_STACK.
5909 * c-common.c (c_common_nodes_and_builtins): Check it.
5911 * system.h: Undef alloca after including glibc's <stdlib.h>,
5912 if USE_C_ALLOCA is defined.
5914 * gcc.c (set_input): New fn.
5915 (main): After all input files are compiled, reset the input file
5918 * aclocal.m4 (rindex, index): If already defined, don't attempt
5921 * ginclude/varargs.h: (__va_list__): Define ifndef.
5922 * ginclude/stdarg.h: Likewise.
5924 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5925 instead of unsigned char.
5927 * hash.h (true, false, boolean): Undef before enum.
5929 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5930 proper type of "HOST_WIDE_INT *", rather than their natural type of
5931 "unsigned HOST_WIDE_INT *".
5933 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5935 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5937 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5939 * regclass.c (choose_hard_reg_mode): Likewise.
5941 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5943 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5945 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5947 * c-common.c: PROTO -> PARAMS.
5948 * c-common.h: Likewise.
5949 * c-decl.c: Likewise.
5950 * c-iterate.c: Likewise.
5951 * c-lang.c: Likewise.
5952 * c-lex.c: Likewise.
5953 * c-lex.h: Likewise.
5954 * c-parse.in: Likewise.
5955 * c-pragma.c: Likewise.
5956 * c-pragma.h: Likewise.
5957 * c-tree.h: Likewise.
5958 * c-typeck.c: Likewise.
5959 * objc/objc-act.c: Likewise.
5960 * objc/objc-act.h: Likewise.
5962 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5964 * m88k-protos.h: New file.
5966 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5969 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5971 * m88k.md: Likewise.
5973 * tekXD88.h: Likewise.
5975 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5977 * m68k-protos.h: New file.
5979 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5982 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5984 * mot3300.h: Likewise.
5986 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5988 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5990 (extract_bitlist): Declare bitlen.
5992 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5994 * cccp.c: Accept and ignore -lang-fortran.
5996 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5997 qualifiers don't match at any level of pointerness.
5999 2000-01-12 Robert Lipe <robertl@sco.com>
6001 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
6003 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
6005 * reload1.c (reload_reg_unavailable): New static variable.
6006 (reload_reg_free_p): Test it.
6007 (reload_reg_free_for_value_p): Test it instead of
6009 (choose_reload_regs_init): Compute it.
6011 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
6013 * reorg.c (fill_slots_from_thread): Check modified_in_p
6016 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
6018 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
6019 these nodes even if INTERNALS is not set.
6021 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
6023 * gcse.c (delete_null_pointer_checks_1): Cope when
6024 get_condition cannot determine the condition.
6026 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
6028 * toplev.h (set_message_length): Declare.
6030 * diagnostic.c (obstack_chunk_alloc): Define macro.
6031 (obstack_chunk_free): Likewise.
6032 (struct output_buffer): New data structure.
6034 (output_maximum_width): New variable.
6035 (doing_line_wrapping, set_message_length, init_output_buffer,
6036 get_output_prefix, output_space_left, emit_output_prefix,
6037 output_newline, output_append, output_puts, dump_output,
6038 vbuild_message_string, build_message_string, build_location_prefix,
6039 voutput_notice, output_printf, line_wrapper_printf,
6040 vline_wrapper_message_with_location): New functions. Implement
6041 automatic line wrapping.
6042 (v_message_with_decl): Make it handle automatic line wrapping.
6043 (v_error_with_file_and_line): Likewise.
6044 (v_warning_with_file_and_line): Likewise.
6045 (announce_function): Likewise.
6046 (default_print_error_function): Likewise.
6048 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
6050 * cpplib.h (struct cpp_options): Change lang_asm to char.
6052 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
6053 done in cpp_handle_option now.
6054 (initialize_builtins): Take out special case code used only by
6056 (cpp_handle_option): Turn off trigraphs and trigraph warnings
6057 if -traditional. Recognize -lang-fortran and set
6058 lang_fortran, also turn off cplusplus_comments.
6059 (print_help): Document -lang-fortran.
6060 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
6061 lang_asm. Ignore all directives other than `# 123 "file"' if
6063 (cpp_get_token): If -traditional, don't recognize directives
6064 unless the # is in column 1.
6065 (parse_string): If lang_fortran or lang_asm, silently
6066 terminate strings ('' or "") at end of line.
6067 Remove unnecessary braces.
6069 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6070 Richard Henderson <rth@cygnus.com>
6072 * resource.c (mark_referenced_resources): Mark a set strict_low_part
6074 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
6075 strict_low_part when possible.
6077 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6079 * alias.c: PROTO -> PARAMS.
6080 * basic-block.h: Likewise.
6081 * bitmap.c: Likewise.
6082 * bitmap.h: Likewise.
6083 * builtins.c: Likewise.
6084 * c-aux-info.c: Likewise.
6085 * caller-save.c: Likewise.
6086 * calls.c: Likewise.
6088 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6090 * Makefile.in (toplev.o): Depend on regs.h.
6092 * output.h (tdesc_section): Prototype.
6094 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
6096 * sdbout.c: Include "tm_p.h".
6098 * toplev.c: Include "regs.h".
6100 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
6102 * unroll.c (unroll_loop): Add EH support.
6104 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6106 * pa-protos.h: New file.
6108 * pa.c: Include recog.h and tm_p.h.
6109 (compute_zdepwi_operands, compute_movstrsi_length,
6110 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
6111 find_addr_reg, import_milli): Add static prototypes.
6112 (pa_cpu_string, pa_arch_string): Constify a char*.
6113 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
6114 (read_only_operand): Add argument `mode'.
6115 (singlemove_string, output_move_double, output_fp_move_double,
6116 output_block_move, output_and, output_ior, output_ascii,
6117 remove_useless_addtr_insns, milli_names, output_mul_insn,
6118 output_div_insn, output_mod_insn, output_arg_descriptor,
6119 output_cbranch, output_bb, output_bvb, output_dbra, ,
6120 output_millicode_call, output_call, hppa_encode_label,
6121 output_parallel_movb, output_parallel_addb): Constify a char*.
6122 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
6123 (output_parallel_addb): Remove extra arg to `constrain_operands'
6125 * pa.h: Move all prototypes to pa-protos.h.
6126 (pa_cpu_string, pa_arch_string): Constify a char*.
6127 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
6129 * pa.md: Call `function_label_operand' with mode argument.
6130 Likewise for `read_only_operand'.
6131 Fix nesting of parens in call to `symbolic_operand'.
6133 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6135 * i860-protos.h: New file.
6137 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
6140 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
6142 * i860.md: Likewise.
6144 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
6146 * i386.md (movstrsi expander): Rewrite.
6147 (movstrsi_1 insn): Deleted.
6148 (strmovhi, strmovqi expander): New expanders.
6149 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
6150 * i386.c (x86_single_stringop): New global variable.
6151 * i386.h (x86_single_stringop): Declare.
6152 (TARGET_SINGLE_STRINGOP): New macro.
6154 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
6156 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
6157 integer vararg POSTINCREMENT before the destination of the jump
6158 for the hard fp case.
6159 (function_arg_pass_by_reference): Pass a copy of CUM to
6162 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
6163 for CONSTANT_ADDRESS_P above while loop for subreg.
6165 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
6167 * flow.c (propagate_block): When a prologue/epilogue insn
6168 is marked dead, unconditionally clear libcall_is_dead and
6169 insn_is_dead, and only dump rtl if warnings aren't being
6172 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
6174 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
6175 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
6176 (FIXED_REGISTERS): Set dirflag as fixed.
6177 (CALL_USED_REGISTERS): Set dirflag as used.
6178 (REG_ALLOC_ORDER): Set dirflag as last one.
6179 (DIRFLAG_REG): New macro.
6180 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
6181 (HI_REGISTER_NAMES): Add dirflag.
6182 (DEBUF_PRINT_REG): Handle dirflag.
6183 * i386.md (type attribute): New cld and str types.
6184 (length_opcode attribute): Set cld and str to 1.
6185 (memory attribute): Set str to unknown - it is not clear from the
6187 (pent_np function unit): Prefixed string operations takes 12 cycles
6188 minimally; cld takes 2 cycles.
6189 (ppro_uops attribute): Str is "many" and cld is "few".
6190 (ppro_p0 unit): Handle cld here.
6191 (k6_alux unit): Handle cld and str types.
6192 (k6_load unit): It is ocupied by str opcodes.
6193 (k6_store unit): It is ocupied by str opcodes.
6194 (athlon_decode): Str is vector decoded.
6195 (athlon_ieu): Handle str and cld.
6197 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
6198 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
6199 cmpstrsi_nz_1 insn): Do not output cld instruction
6201 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
6203 * gcc.texi (G++ and GCC): Add Java and Chill.
6204 (Bug Critera): Don't list languages.
6206 * gcc.texi (Incompatibilities): No longer claim most C compilers
6209 * gcc.texi (G++ and GCC): Update other front-ends list.
6211 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
6213 * i386.c (ix86_expand_setcc): Fix typo.
6214 (ix86_expand_movcc): Similarly.
6216 * Band-aid until haifa's bitset implementation is nuked.
6217 * haifa-sched.c (extract_bitlst): New parameter for size of the
6218 bitset in bits. All callers changed. Avoid looking at undefined
6220 (edgeset_bitsize): New variable.
6221 (schedule_region): Initialize edgeset_bitsize.
6223 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6225 * Makefile.in (optabs.o): Depend on real.h
6226 (resource.o): Depend on insn-attr.h
6228 * builtins.c (result_vector): Wrap prototype in macro conditions
6229 governing definition and use.
6231 * c-common.c: Include tm_p.h.
6233 * c-lex.c: Likewise.
6235 * elfos.h: Constify a char*.
6237 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
6238 (get_attr_length, shorten_branches, profile_after_prologue): Mark
6239 parameter with ATTRIBUTE_UNUSED.
6241 * fold-const.c (exact_real_inverse): Wrap variable `i' in
6244 * haifa-sched.c (schedule_insns): Mark parameter with
6247 * optabs.c: Include real.h.
6249 * real.h (ereal_atof): Add prototype arguments.
6251 * resource.c: Include insn-attr.h.
6253 * sdbout.c (sdbout_queue_anonymous_type,
6254 sdbout_dequeue_anonymous_types): Wrap in macro
6255 SDB_ALLOW_FORWARD_REFERENCES.
6256 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
6259 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
6261 * stupid.c: Include tm_p.h.
6263 * tree.c (real_value_from_int_cst): Mark parameter with
6266 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6268 * i960-protos.h: New file.
6270 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
6273 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
6275 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6277 * combine.c (expand_field_assignment): Do not discard SUBREGs
6278 while computing nonzero_bits.
6280 2000-01-09 Nick Clifton <nickc@cygnus.com>
6282 * config/arm/arm.c: Fix compile time warnings about signed vs
6284 * config/arm/arm.h: Fix compile time warnings about signed vs
6287 2000-01-09 Philip Blundell <philb@gnu.org>
6289 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
6290 than `ldm' with only one register.
6291 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
6294 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
6297 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
6299 * config/ns32k/ns32k.md (load or push effective address): Operand 1
6302 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6304 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6305 assignment used as truth value.
6307 * function.c (assign_temp): Mark parameter `dont_promote' with
6308 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
6309 PROMOTE_FOR_CALL_ONLY.
6311 * genrecog.c (write_subroutine): Mark variable `operands' with
6314 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
6317 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
6318 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
6320 * toplev.c (note_deferral_of_defined_inline_function): Likewise
6323 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6325 * config/c4x.h: Tidy up comments.
6326 * config/c4x.c: Likewise.
6328 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
6330 * fold-const.c (lshift_double, rshift_double): Handle
6331 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
6333 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6335 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
6336 in prepare_function_start().
6338 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
6340 * config/v850/v850.c (expand_epilogue): Interrupt functions no
6341 longer allocate extra stack for function calls.
6343 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6345 * config/c4x/c4x.md (*subqf3_set): Fix typo.
6347 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6349 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
6351 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6353 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6354 * aix43.h: Revert Aug 2 change.
6355 (HAS_INIT_SECTION): Define, not visible yet.
6356 (LD_INIT_SWITCH): Define, not visible yet.
6357 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6359 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
6361 * collect2.c (main): Expand ld2 size further.
6362 (export_object_lst): Cast assignment to avoid warning.
6363 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
6364 (scan_prog_file, COFF): Do not collect initialization or
6365 finalization functions generated for entire shared object if
6366 init/fini support present.
6368 2000-01-07 Nick Clifton <nickc@cygnus.com>
6370 * config/elfos.h: Tidy up formatting of marcos. Make sure
6371 that .section directives are always prefixed by a tab.
6373 * config/svr4.h: Add #include "elfos.h" and remove duplicate
6376 2000-01-07 Matt Austern <austern@sgi.com>
6378 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
6381 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
6383 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
6385 (crtbegin.o, s-crtS): Likewise.
6387 2000-01-06 Richard Henderson <rth@cygnus.com>
6389 * alpha.md (adddi_2+1): Limit offset such that it will be
6390 loadable with a single ldah+lda pair.
6391 (adddi_2+2): Explicitly fail split if we can't make it work.
6393 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
6395 * protoize.c: Conditionally include unistd.h.
6396 (IS_SAME_PATH_CHAR): New macro.
6397 (IS_SAME_PATH): New macro.
6398 (CPLUS_FILE_SUFFIX): New macro.
6399 (cplus_suffix): New static variable.
6400 (is_abspath): New static function.
6401 (in_system_include_dir): Handle DOS style pathnames.
6402 (file_could_be_converted): Likewise.
6403 (file_normally_convertible): Likewise.
6404 (directory_specified_p): Likewise.
6405 (file_excluded_p): Likewise.
6406 (abspath): Likewise.
6407 (shortpath): Likewise.
6408 (referenced_file_is_newer): Likewise.
6409 (save_def_or_dec): Likewise.
6410 (do_processing): Likewise.
6412 (edit_file): Likewise. Use rename instead of link.
6413 (rename_c_file): Likewise. Don't rename syscalls file.
6414 (munge_compile_params): Define null device for DOS based systems.
6415 (process_aux_info_file): Use binary mode if appliable.
6416 (edit_file): Likewise.
6417 * invoke.texi (Running Protoize): Document C++ suffixes used.
6419 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
6420 IS_DIR_SEPARATOR macros.
6421 * collect2.c: Likewise.
6422 * cppinit.c: Likewise.
6423 * dwarf2out.c: Likewise.
6426 * prefix.c: Likewise.
6428 * toplev.c: Likewise.
6429 * system.h: And move to here.
6431 * prefix.c (update_path): Fix typo in variable name.
6433 2000-01-06 Richard Henderson <rth@cygnus.com>
6435 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
6436 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
6437 (count_reg_sets_1, count_reg_references): Likewise.
6438 (flow_loops_level_compute): Start counting actual loop depth at 1.
6439 (flow_loops_find): Likewise.
6440 * local-alloc.c (update_equiv_regs): Likewise.
6441 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
6443 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6445 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
6446 FIRST_PSEUDO_REGISTER
6447 * dwarf2out.c: Don't include frame.h
6448 * dwarfout.c: Likewise
6449 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
6452 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
6454 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6457 * i386.c (movsf splitter): Fix typo in my last checkin.
6459 2000-01-05 Nick Clifton <nickc@cygnus.com>
6461 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
6462 own definition of this macro.
6463 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
6464 flag_data_sections or UNIQUE_SECTION_P are true.
6466 * tm.texi (UNIQUE_SECTION): Document that it can be called for
6467 unitialised data decls.
6469 * config/i386/winnt.c (i386_pe_unique_section): Cope with
6470 being called for uninitialised data.
6472 * config/i386/interix.c (i386_pe_unique_section): Cope with
6473 being called for uninitialised data.
6475 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
6476 for uninitialised data.
6478 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
6479 for uninitialised data.
6481 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
6482 for uninitialised data.
6484 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
6485 (UNIQUE_SECTION_P): Always generate a unique section if
6486 flag_data_sections is true.
6487 (UNIQUE_SECTION): Also generate unique sections for
6489 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
6490 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
6493 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6495 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
6498 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6500 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
6501 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
6502 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
6503 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
6504 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
6506 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
6508 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6510 * c-decl.c (finish_enum): Simplify code to determine minimum and
6511 maximum values of the enum, and calculate the type. Remove check
6512 for FUNCTION_DECLs in the values list, which cannot happen. Replace
6513 the DECL_INITIAL of each enumeration constant with a copy converted
6514 to the enumeration type. When updating variant types, don't bother
6515 updating the type itself.
6517 * c-typeck.c (build_binary_op): Simplify conditional expressions
6518 when weeding out spurious signed-unsigned warnings. Add new
6519 spurious warning category: if the unsigned quantity is an enum
6520 and its maximum value fits in signed_type(result_type). Update
6522 (build_conditional_expr): Warn here if one alternative is signed
6523 and the other is unsigned.
6525 2000-01-05 Nick Clifton <nickc@cygnus.com>
6527 * config/fr30/fr30.h: Remove extraneous comments.
6529 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
6531 * reload1.c (choose_reload_regs): When disabling a reload, also
6532 set reload_spill_index to -1.
6534 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6536 * configure.in (m68*-*-rtemscoff*): New target, formal name for
6538 (m68*-*-rtemself*): New target.
6539 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6540 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6541 (sparc*-*-rtemself*): New target.
6542 (sparc*-*-rtems*): Now elf not a.out.
6543 * config/i386/rtems.h: Include config/rtems.h.
6544 * config/i386/rtemself.h: Include config/rtems.h.
6545 * config/i960/rtems.h: Include config/rtems.h.
6546 * config/m68k/rtems.h: Include config/rtems.h.
6547 * config/m68k/rtemself.h: Include config/rtems.h.
6548 * config/mips/rtems64.h: Include config/rtems.h.
6549 * config/pa/rtems.h: Include config/rtems.h.
6550 * config/rs6000/rtems.h: Include config/rtems.h.
6551 * config/sh/rtems.h: Include config/rtems.h.
6552 * config/sh/rtemself.h: Include config/rtems.h.
6553 * config/sparc/rtems.h: Include config/rtems.h.
6554 * config/sparc/rtemself.h: Include config/rtems.h
6556 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6558 * final.c (shorten_branches): Correctly compute length of
6559 asms without operands.
6561 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6563 * configure.in: Add pj target.
6564 * configure: Regenerate.
6565 * config/pj: New directory.
6566 * config/pj/lib1funcs.S: New file.
6567 * config/pj/linux.h: New file.
6568 * config/pj/pj.c: New file.
6569 * config/pj/pj.md: New file.
6570 * config/pj/pjl.h: New file.
6571 * config/pj/t-pj: New file.
6572 * config/pj/xm-pj.h: New file
6574 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6576 * toplev.c (rest_of_compilation): Run shorten-branches before
6579 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6581 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6582 macros so that they're consistent with their names.
6583 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6584 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6586 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6588 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6589 modified inadvertently.
6591 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6593 * configure.in (v850*-*-rtems*): New target.
6594 * configure: Regenerate.
6595 * config/v850/rtems.h: New file.
6597 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6599 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6600 (__gthread_key_create): Likewise.
6601 (__gthread_key_dtor): Likewise.
6602 (__gthread_once): Fix logic.
6603 (__gthread_key_delete): Cast away constness.
6605 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6606 * invoke.texi: Document.
6607 * i386/mingw32.h (CPP_SPEC): Use.
6608 (LIBGCC_SPEC): Likewise.
6609 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6611 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6613 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6614 (HANDLE_PRAGMA_PACK): Undefine.
6615 (SLOW_UNALIGNED_ACCESS): Define.
6617 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6619 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6620 to default definition.
6621 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6622 (store_fixed_bit_field): Call macro with word_mode and alignment.
6623 (extract_bit_field): Call macro with relevant mode and alignment.
6624 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6625 to default definition.
6626 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6628 (move_by_pieces_ninsns): Likewise.
6629 (clear_by_pieces): Likewise.
6630 (emit_push_insn): Likewise.
6631 (store_field): Call macro with relevant mode and alignment.
6632 (expand_expr): Likewise.
6633 (expand_expr_unaligned): Likewise.
6635 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6636 (SLOW_UNALIGNED_ACCESS): Define.
6637 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6638 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6639 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6640 (toc_section): Likewise and .toc pseudo-op.
6641 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6643 (TEXT_SECTION_ASM_OP): Likewise.
6644 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6647 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6648 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6649 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6650 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6651 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6653 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6655 * regclass.c: Revert my Jan 4 change to loop cost computation.
6657 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6659 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6662 2000-01-04 Stan Cox <scox@cygnus.com>
6664 * haifa-sched.c (build_control_flow): Change unreachable simple
6665 loop test to check if current block has only one predecessor.
6666 (find_rgns): Initialize degree. Use dest as degree index, not src.
6668 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6672 * calls.c (expand_call): Likewise for
6673 `old_stack_arg_under_construction'.
6675 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6677 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6680 * gcc.c (execute): Likewise for `ut' and `st'.
6682 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6684 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6686 * jump.c (jump_optimize_1): Likewise for `temp2'.
6688 * local-alloc.c (block_alloc): Likewise for `r1'.
6690 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6692 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6693 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6695 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6698 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6699 and `goal_earlyclobber'.
6701 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6703 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6705 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6707 * unroll.c (copy_loop_body): Likewise for `copy'.
6709 * varasm.c (output_constructor): Likewise for `byte'.
6711 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6713 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6714 all FP constants for constant->reg moves.
6715 (ix86_split_to_parts): Try to convert memory address into immediate
6716 when available in the constant pool.
6717 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6719 (LEGITIMATE_CONSTANT_P): Return 1.
6720 * i386.md (pushsf): New splitter to convert constant pool memory
6721 reference to immediate.
6722 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6725 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6727 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6728 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6729 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6730 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6731 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6733 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6735 * ginclude/stdbool.h: Support compilation as C++.
6737 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6739 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6741 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6743 * regclass.c (regclass): Properly compute loop_cost. Adjust
6746 * regclass.c: Fix minor whitespace problems.
6748 2000-01-03 Anthony Green <green@cygnus.com>
6750 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6751 Restore the pic register if required.
6753 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6755 * c-common.c (format_char_info): Update comment.
6756 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6757 was recognized. Emit warning for formats new in ISO C99 only
6758 if flag_isoc9x is not set.
6760 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6762 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6764 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6766 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6767 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6768 (make_compound_operation): Choose cheaper alternative between
6769 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6771 * regclass.c (op_costs): Remove global variable.
6772 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6773 (record_operand_costs): Break out from ...
6774 (scan_one_insn): ... here.
6775 (dump_regclass): Make dumps nicer.
6776 (regclass): Dump preferrences choosed and changes done during passes.
6778 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6780 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6782 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6784 * config/sparc/sparc.c (gen_df_reg): New function.
6785 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6786 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6787 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6788 movtf_cc_reg_sp64+1): Use it.
6790 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6792 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6795 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6797 * config/i386/i386.c (ix86_expand_unary_operator): Function
6798 definition made void.
6799 (ix86_expand_binary_operator): Update outdated preceding comment.
6800 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6803 * config/i386/i386.c (override_options): Fix option-name typo.
6805 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6807 * system.h (CEIL): Define.
6808 * builtins.c (CEIL): Remove.
6809 * expmed.c (CEIL): Likewise.
6810 * expr.c (CEIL): Likewise.
6811 * stor-layout.c (CEIL): Likewise.
6813 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6815 * expr.c (store_constructor_field): Fix typo introduced with last
6818 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6820 * tree.h (BINFO_N_BASETYPES): New macro.
6822 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6824 * expmed.c (emit_store_flag): Prevent losing a pending stack
6825 adjust the same way we prevent losing queued increments.
6827 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6829 * function.c (update_temp_slot_address): Handle case where sum of
6830 temporary address plus offset in register is a valid address.
6832 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6834 * genrecog.c (change_state) Corrected typo.
6836 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6838 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6839 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6840 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6842 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6844 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6845 case, expand GT comparisons correctly. Fix a comment before this
6848 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6850 * dwarfout.c: Include "frame.h"
6851 * dwarf2out.c: Likewise.
6852 * Makefile.in (dwarfout.o): Depend on frame.h
6853 (dwarf2out.o): Likewise.
6855 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6857 Restore i386 binary compatibility in Dwarf EH info.
6858 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6859 value of FIRST_PSEUDO_REGISTER.
6860 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6861 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6862 * dwarfout.c (output_reg_number): Ditto.
6863 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6864 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6866 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6868 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6869 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6870 (<hack>_RE_CT): not needed
6871 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6872 rewritten to scan the file text once only
6873 "template<..." test added
6874 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6875 (is_cxx_header): declaration added
6876 * fixinc/fixtests.c(is_cxx_header): removed
6877 (apply_fix_p_t): removed
6878 (double_slash_test): is_cxx_header is only called once now
6879 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6880 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6881 within the templates.
6882 The borken spelling of "broken" was fixed.
6883 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6884 The default level depends on FIXINC_DEBUG.
6886 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6888 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6889 Otherwise provide a declaration for atexit.
6890 (init_dummy): Make sure dummy call to atexit is nevertheless
6891 called with correct number of args.
6893 * frame.c: Update comments referring to other files.
6895 * libgcc2.c: Likewise.
6897 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6899 * cse.c (free_element, get_element): Remove unused prototypes.
6901 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6904 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6907 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6909 * configure.in,configure: case arm for mn10200-*-* now sets
6910 float_format=i32 so that float.h will correctly claim "double"
6911 to be 32 bits. Ran autoconf to generate configure from .in file.
6913 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6915 * pa.md (conditional zero): If op1 is a register, force it into
6916 the same register as op0.
6918 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6920 * tree.h (BINFO_BASETYPES): Improve documentation.
6922 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6924 * configure.in (--enable-checking): Use a more portable `for'
6927 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6929 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6930 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6932 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6935 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6936 Delete descriptions.
6938 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6939 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6940 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6941 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6942 xm-svr4.h: Remove all instances of sys_siglist handling.
6944 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6946 * config/sparc/sparc.md (cmp_zero_qi,
6947 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6948 cmp_zero_extendqidi2_andcc_set): New patterns.
6950 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6952 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6953 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6954 (fpgnulib.c, xfgnulib.c): Add rules.
6955 * m68k/t-mot3300-gas: Likewise.
6957 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6959 * configure.in: Avoid [[ by using test and changequote. Add
6960 changequote required by 1999-12-14 change.
6961 * configure: Rebuild.
6963 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6965 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6967 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6969 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6970 * flow.c (find_use_as_address): Likewise.
6971 * function.c (fixup_var_refs_1): Likewise.
6972 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6973 * jump.c (invert_exp, redirect_exp): Likewise.
6974 * loop.c (replace_call_address): Likewise.
6975 (count_nonfixed_reads): Likewise.
6976 * rtlanal.c (modified_between_p): Likewise.
6977 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6978 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6979 * unroll.c (remap_split_bivs): Likewise.
6981 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6983 * diagnostic.c (v_message_with_decl): Use .* format specifier
6984 instead of building the format specifier width manually.
6986 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6987 determining whether to provide a prototype. Remove the
6988 sys_siglist clause in the conditional.
6990 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6992 * fold-const.c (operand_equal_p): Use memcmp to compare string
6994 Suggested by D. J. Bernstein
6996 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6998 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6999 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7001 * config/mips/mips.h (TARGET_64BIT): Likewise.
7002 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
7003 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
7004 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
7005 dsps. Give routines proper names if SI/DI modes are not used.
7006 * longlong.h: Use DWunion instead of DIunion.
7008 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
7010 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
7011 GC_CHECKING, GC_ALWAYS_COLLECT.
7012 * configure.in: Allow --enable-checking with an argument
7013 listing check modes to enable.
7014 * config.in, configure: Rebuilt.
7015 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
7016 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
7017 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
7018 ENABLE_GC_ALWAYS_COLLECT.
7019 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
7021 * tree.h, tree.c: Change ENABLE_CHECKING to
7022 ENABLE_TREE_CHECKING throughout.
7024 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7026 * fold-const.c (fold_truthop): Properly check for FP RHS.
7028 1999-12-24 Mark Mitchell <mark@codesourcery.com>
7030 * toplev.h (note_deferall_of_defined_inline_function): Declare.
7031 * toplev.c (note_deferral_of_defined_inline_function): New
7032 function, split out from ...
7033 (rest_of_compilation): ... here. Use it.
7035 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7037 * expr.c (store_constructor): Don't call clear_storage if size is
7040 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7042 * Makefile.in (toplev.o): Depend on loop.h.
7044 * dwarfout.c: Include tm_p.h.
7046 * emit-rtl.c (restore_emit_status): Mark parameter with
7049 * final.c (final_scan_insn): Likewise.
7051 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
7052 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
7053 flow_depth_first_order_compute, flow_loop_pre_header_find,
7054 flow_loop_tree_node_add, flow_loops_tree_build,
7055 flow_loop_level_compute, flow_loops_level_compute,
7056 flow_loop_outside_edge_p): Add prototypes.
7057 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
7059 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
7060 Mark with ATTRIBUTE_NORETURN.
7062 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
7064 * local-alloc.c (no_conflict_p): Likewise.
7066 * loop.c (insert_bct): Hide definitions of variables with hidden
7068 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
7070 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
7071 with ATTRIBUTE_UNUSED.
7072 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
7073 (reg_scan): Likewise.
7075 * reload.c (find_reloads): Remove unused variables `changed'.
7077 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
7079 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
7080 Remove unused variable `insn'.
7082 * toplev.c: Include loop.h.
7083 (report_file_and_line): Remove unnecessary prototype.
7085 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
7087 * unroll.c (biv_total_increment): Likewise.
7089 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7091 * reload1.c (emit_input_reload_insns): Restore old behaviour
7092 wrt. 'special' reloads.
7094 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
7096 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
7097 hash.h. (cse.c): Don't depend on hashtab.h.
7099 * cse.c: Don't include hashtab.h.
7100 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
7102 * ggc-simple.c: Don't include hash.h.
7104 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
7106 * dwarf2out.c (add_abstract_origin_attribute): Call
7107 gen_abstract_function on our function context.
7109 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
7111 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
7113 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7115 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
7118 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7120 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
7121 constraints to "a!r".
7123 1999-12-21 Mark Mitchell <mark@codesourcery.com>
7125 * Makefile.in (calls.o): Depend on function.h.
7126 (alias.o): Likewise.
7128 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
7130 * reload1.c (emit_reload_insns): Break out code and variables into...
7131 (input_reload_insns, other_input_address_reload_insns,
7132 other_input_reload_insns, input_address_reload_insns,
7133 inpaddr_address_reload_insns, output_reload_insns,
7134 output_address_reload_insns, outaddr_address_reload_insns,
7135 operand_reload_insns, other_operand_reload_insns,
7136 other_output_reload_insns): ... new static variables, and...
7137 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
7138 do_output_reload): ... new functions.
7140 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7142 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
7144 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7146 * md.texi: Add c4x constraints documentation.
7148 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7150 * config/i386/dgux.c (struct option): Rename to
7151 lang_independent_option.
7152 (struct m_options): Add description field.
7153 (output_options): Rename option type, add sep declaration, output
7154 ix86_cpu_string and ix86_arch_string only if set.
7155 (output_file_start): Rename option type.
7157 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
7159 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
7161 (libgcc2.a): Similarly.
7163 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
7165 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
7166 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
7167 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
7169 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
7171 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
7172 Remove redundant initialization of "frexpon" and "expon".
7174 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7176 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
7178 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
7179 (store_constructor_field, expand_expr): Pass new arg.
7181 1999-12-20 Mark Mitchell <mark@codesourcery.com>
7183 * Makefile.in (explow.o): Depend on function.h.
7185 * stor-layout.c (set_sizetype): Fix typo.
7187 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
7189 * function.c (cfun): Renamed from current_function. All users
7191 * function.h (cfun): Rename declaration as well.
7193 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
7194 to be of type regset_head, not regset. All users changed by adding
7196 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
7198 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7200 * config/c4x/rtems.h: New file.
7202 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
7204 * reload1.c (spill_failure): Take class of failed reload as argument
7205 and print it. Caller changed.
7207 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7209 * rs6000.h (SUBTARGET_DEFAULT): New macro.
7210 (TARGET_SWITCHES): Allow subtargets to default switches.
7211 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
7213 1999-12-18 Mark Mitchell <mark@codesourcery.com>
7215 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
7218 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
7220 * cccp.c (main): Define __STDC_VERSION__ as necessary.
7221 * cppinit.c (cpp_handle_option): Likewise.
7223 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
7224 determine when to define.
7226 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
7228 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
7229 cmove with mismatched test and data modes.
7231 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
7233 * c-typeck.c (c_expand_start_case): Don't warn for long switch
7236 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7238 * alias.c: Minor reformatting.
7241 * stor-layout.c: Likewise.
7242 * fold-const.c: Likewise.
7243 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
7244 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
7246 (size_int_wide): Cache nodes even if garbage collecting.
7247 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
7248 of SAVE_EXPR has no side effects.
7249 * cse.c: Move a comment.
7250 * tree.c: Minor reformatting.
7251 (int_size_in_bytes): Return -1 if constant overflows.
7253 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7255 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
7257 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
7259 * objc/objc-parse.c: Regenerate. This file must be rebuilt
7260 after any change to c-parse.in, even if objc-parse.y didn't
7263 1999-12-18 David S. Miller <davem@redhat.com>
7265 * toplev.c (rest_of_compilation): Restore BLOCK tree
7266 reconstruction and branch shortening changes lost in
7267 December 18th change.
7269 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
7271 * config/arm/linux-elf.h: Change all instances of
7272 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
7273 * config/arm/uclinux-elf.h: Likewise.
7275 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
7277 * toplev.c (notice, vmessage, v_message_with_file_and_line,
7278 v_message_with_decl, file_and_line_for_asm,
7279 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
7280 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
7281 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
7282 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
7283 pfatal_with_name, fatal_io_error, need_error_newline,
7284 last_error_function, last_error_tick, announce_function,
7285 default_print_error_function, print_error_function,
7286 report_error_function, fnotice, error_with_file_and_line,
7287 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
7288 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
7289 warning_with_decl, warning_for_asm, warning, pedwarn,
7290 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
7292 (compile_file): Use fnotice instead of notice. Adjust call.
7294 * diagnostic.c: New file.
7296 * Makefile.in (OBJS): Include diagnostic.o
7297 (diagnostic.o): Define dependence.
7299 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7301 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
7304 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7306 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
7308 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
7310 * fixtests.c (is_cxx_header): New fn, split out of
7312 (else_endif_label): Allow "#endif // comment" in C++ headers,
7313 as determined by is_cxx_header.
7314 * fixfixes.c (else_endif_label_fix): Update comment.
7315 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
7317 * genfixes: Correct double thinko in commandline parsing.
7318 * hackshell.tpl: Generate correct sh syntax for bypass
7321 * inclhack.def (all): Whenever an inserted preprocessor
7322 conditional is split over multiple lines, use double
7323 backslashes in this file so the fixed header will be readable.
7325 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
7326 and add bypass entry for correct version of this header.
7327 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
7328 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
7330 (hpux8_bogus_inlines): New fix, split from...
7331 (ultrix_atof_param) ... here.
7332 (math_expression): Add bypass entry keyed to glibc comment
7333 indicating the problem has been dealt with; disable
7334 unnecessary sed operations; update commentary.
7335 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
7336 add select and bypass entries, simplify shell operation.
7337 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
7339 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
7340 ultrix_atof_param): Add select entry.
7341 (stdio_va_list, sunos_mather_decl): Add bypass entry.
7342 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
7343 comments with the fixes they describe.
7345 * c-parse.in (string action): Do not warn about ANSI string
7346 concatenation in system headers. Affects C parser only.
7347 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
7349 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7351 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
7352 compiling libgcc2 the macro depends always on arch cpp defines.
7354 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
7356 * loop.c (insert_loop_mem): Don't record MEMs from inside
7359 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
7361 * regclass.c (regclass): Do not use flowgraph when not optimizing.
7363 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
7364 notes too, create one when replacement failed, attempt to simplify
7366 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
7369 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7371 * crtstuff.c (__dso_handle): Declare.
7372 (__cxa_finalize): Likewise.
7373 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
7376 * invoke.texi: Document -fuse-cxa-atexit.
7378 * tree.h (ptr_type_node): Document.
7379 (const_ptr_type_node): Likewise.
7381 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7383 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
7384 (optimize_reg_copy_2): Likewise.
7385 (optimize_reg_copy_3): Likewise.
7386 (fixup_match_2): Likewise.
7387 (regmove_optimize): Likewise.
7388 (fixup_match_1): Liekwise.
7390 * i386.md (HI to SImode promoting splitters): Rewrite.
7391 (pushsf mem peep2): New.
7392 (testhi to andhi peep2): Remove.
7393 * i386.h (x86_promote_QImode): New.
7394 (TARGET_PROMOTE_QImode): New.
7395 (PREDICATE_CODES): Add promotable_binary_operator.
7396 * i386.c (x86_promote_QImode0: New.
7397 (promotable_binary_operator): New.
7398 * i386-protos.h (promotable_binary_operator): New.
7400 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
7402 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
7404 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7406 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
7407 * function.c (insert_block_after_note): Remove.
7408 (retrofit_block): Likewise.
7409 (identify_blocks): Fix indentation.
7410 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
7411 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
7412 * function.h (insert_block_after_note): Remove prototype.
7413 (retrofit_block): Likewise.
7414 * integrate.c (expand_inline_function): Don't call
7415 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
7416 just expand_start_bindings. Use the block_map to remap old
7417 NOTE_BLOCKs to new ones.
7418 (integrate_decl_tree): Keep track of remapped blocks.
7419 * integrate.h (struct inline_remap): Add block_map.
7420 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
7421 NOTE_BLOCK on the notes.
7422 (expand_start_bindings): Rename to ...
7423 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
7424 (expand_end_bindings): Set NOTE_BLOCK.
7425 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
7426 reconstruct the BLOCK tree.
7427 * tree.h (expand_start_bindings): Macroize. Call ...
7428 (expand_start_bindings_and_block): New function.
7430 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7432 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
7433 to match the format.
7435 1999-12-16 David S. Miller <davem@redhat.com>
7437 * expr.c (emit_move_insn_1): Only emit clobbers if one of
7438 the outputs is a SUBREG.
7439 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
7442 * config/sparc/sparc.c (epilogue_renumber): Add default case
7445 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7447 * toplev.c (rest_of_compilation): Run branch shortening after
7450 * regclass.c (loop_depth): Remove
7451 (scan_one_insn): Do not handle LOOP_NOTE insns.
7452 (regclass): Go through basic blocks and set loop_cost
7454 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
7456 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
7458 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7460 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
7461 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
7462 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
7464 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
7466 * loop.c (insert_loop_mem): Ignore memory clobbers.
7468 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
7471 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
7473 * profile.c: Remove redundant #include "output.h".
7475 * h8300.md (HImode preinc peephole): Fix typo.
7477 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7479 * function.c (retrofit_block): Abort if we don't find a suitable insn.
7480 (insert_block_after_note): Abort if we don't have a previous block.
7481 Remove FN parameter.
7482 * function.h: Adjust.
7484 1999-12-15 Mark Mitchell <mark@codesourcery.com>
7486 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
7487 argument more than once.
7489 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7491 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
7493 1999-12-15 Jakub Jelinek <jakub@redhat.com>
7495 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
7497 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7499 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
7500 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
7501 update stack_alignment_needed.
7502 (prepare_function_start): Initialize stack_alignment_needed
7503 * function.h (struct function): Add field stack_alignment_needed.
7505 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7507 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
7508 Handle live_throughout / dead_or_set instead of live_before /
7510 (save_call_clobbered_regs): Get register livenessinformation from
7511 chain->live_throughout.
7512 (add_stored_regs): New function.
7513 (insert_restore, insert_save): Add restored / saved registers to
7515 * global.c (reg_dies): New parameter chain.
7516 (reg_becomes_live): Third parameter is regs_set now.
7517 Changed all callers.
7518 (reg_dies): New parameter chain. Changed all callers.
7519 (build_insn_chain): Set live_throughout instead of
7520 live_before / live_after.
7521 * reload.h (struct insn_chain): Replace members live_before /
7522 live_after with live_throughout / dead_or_set.
7523 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
7524 instead of live_before / live_after.
7525 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
7526 (order_regs_for_reload, find_reg, finish_spills): Likewise.
7527 (choose_reload_regs_init): Likewise.
7528 * stupid.c (current_chain, find_clobbered_regs): Delete.
7529 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
7530 instead of chain->live_before / chain->live_after.
7531 (mark_hard_ref): New function.
7532 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
7534 1999-12-15 David S. Miller <davem@redhat.com>
7536 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
7538 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7540 * flow.c (calculate_loop_depth): Make global, remove prototype,
7541 rewrite to use new loop infrastructure.
7542 (find_basic_block): Remove calculate_loop_depth call.
7543 * toplev.c (rest_of_compilation): Call find_basic_block.
7544 * output.h (calculate_loop_depth): Declare.
7546 * flow.c (dump_flow_info): Dump loop_depth.
7547 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7549 (flow_loops_find): Initialize the loop_depth for each basic block.
7551 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7553 * tree.c (decl_function_context): Handle virtual functions.
7555 * tlink.c (scan_linker_output): Don't look in demangled name when
7556 looking for linker output keywords.
7558 * dwarfout.c (output_type): We can defer namespace-scope classes.
7560 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7562 * regclass.c (record_reg_classes): Update comment for merging
7563 register class preferences in reg->reg copies. Tighten conditions
7564 for merging register class preferences in reg->reg copies.
7566 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7568 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7570 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7572 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7573 (INIT_SECTION_ASM_OP): Delete.
7574 (FINI_SECTION_ASM_OP): Delete.
7575 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7577 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7579 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7580 the abstract origin wasn't emitted.
7582 * dwarf2out.c (class_scope_p): New fn.
7583 (gen_subprogram_die): Use it.
7584 (gen_variable_die): Use it. Tweak logic.
7585 (gen_struct_or_union_type_die): Check context_die to determine
7586 if we're function-local.
7587 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7589 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7591 * loop.c (check_dbra_loop): Can't reverse a biv that has
7594 1999-12-14 Nick Clifton <nickc@cygnus.com>
7596 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7599 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7601 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7602 for givs made from biv increments.
7604 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7606 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7607 * alpha.c (override_options): Recognize -mcpu=ev67.
7608 * alpha.h (CPP_CPU_EV67_SPEC): New.
7609 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7610 (EXTRA_SPECS): Update.
7612 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7614 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7615 appropriate for -lang-c89 and -std=*.
7616 * cppinit.c (cpp_handle_option): Likewise.
7617 (new_pending_define): New, split out from cpp_handle_option.
7618 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7619 or enable trigraphs for -ansi/-std=*.
7621 * ginclude/stdarg.h (__va_copy): New.
7622 (va_copy): Don't define for C89.
7624 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7626 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7627 for long long multiply-accumulate.
7629 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7631 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7632 optimizing for size.
7634 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7636 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7637 if something changed. Back out that part of yesterday's changes.
7639 * loop.c (loop_max_reg): New static variable.
7640 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7642 (scan_loop): Call reg_scan_update whenever we may have added new
7643 registers, and update loop_max_reg.
7645 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7647 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7648 when source does not die.
7650 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7652 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7654 * config/sparc/linux64.h (TARGET_LIVE_G0,
7655 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7657 * config/sparc/linux.h (TARGET_LIVE_G0,
7658 TARGET_BROKEN_SAVERESTORE): Likewise.
7659 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7660 TARGET_BROKEN_SAVERESTORE): Likewise.
7662 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7663 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7665 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7666 as sparc64 block profiling register.
7667 * config/sparc/sparc.c (sparc_override_options): Allow block
7668 profiling with -m32.
7669 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7671 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7672 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7673 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7675 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7677 * config/sparc/sparc.h: Likewise.
7678 * config/sparc/xm-sysv4-64.h: Likewise.
7679 * config/float-sparc.h: Likewise.
7680 * glimits.h: Likewise.
7681 * longlong.h: Likewise.
7683 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7684 (ASM_IDENTIFY_GCC): Remove.
7686 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7688 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7689 (simplify_logical): Likewise.
7691 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7693 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7694 * cppfiles.c (INO_T_EQ): Likewise.
7696 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7698 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7699 * i386/mingw32.h (LIB_SPEC): Likewise.
7700 (STARTFILE_SPEC): Likewise.
7701 * i386/uwin.h (LIB_SPEC): Likewise.
7702 (STARTFILE_SPEC): Likewise.
7704 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7705 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7707 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7709 * combine.c (combine_simplify_rtx): Fix order of checks for
7710 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7712 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7714 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7715 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7717 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7719 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7721 * regclass.c (inv_reg_alloc_order): New array.
7722 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7724 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7725 counted_for_groups, counted_for_nongroups. Add fields rld and
7727 * reload.c (push_secondary_reload): Don't set nongroup field of
7729 (push_reload): Likewise.
7730 (find_reloads): Delete code to compute nongroup fields.
7731 * reload1.c (reload_insn_firstobj): New static variable.
7732 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7734 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7735 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7736 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7738 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7740 (struct hard_reg_n_uses): Deleted.
7741 (potential_reload_regs): Deleted.
7742 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7743 (reload): Don't try to allocate reload registers if we already know
7744 we have to make another pass. Call select_reload_regs. Free memory
7745 starting with reload_firstobj when starting another pass.
7746 Don't allocate spilled_pseudos.
7747 (calculate_needs_all_insns): Call copy_reloads for an insn that
7748 needs reloads; don't call calculate_needs.
7749 (spill_cost): New static array.
7750 (used_spill_regs_local): New static variable.
7751 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7752 to compute potential_reload_regs.
7753 (find_reload_regs): Completely rewritten to use find_reg.
7754 (allocate_reload_reg): Don't test counted_for_groups or
7755 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7757 (choose_reload_regs): Add fallback code that uses the existing
7758 register allocation from find_reload_regs.
7760 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7762 * flow.c (create_edge_list): Cast xmalloc return value.
7764 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7766 * doprnt.c: Remove incorrect comment closure.
7768 * cse.c: Fix a few minor whitespace goofs.
7770 1999-12-13 Don Bowman <don@pixstream.com>
7772 * mips/vxworks.h: Fix problem with comment termination.
7773 (EXTRA_SECTIONS): Add in_sbss.
7774 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7776 1999-12-12 David S. Miller <davem@redhat.com>
7778 * cse.c (struct cse_reg_info): Add hash_next member,
7779 reorder rest of struct for better packing on 64-bit
7781 (cse_reg_info_tree): Kill.
7782 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7783 REGHASH_FN): New custom pow2 hash mechanism.
7785 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7786 use a pow2 hash table.
7787 (get_cse_reg_info): Rework to use new REGHASH.
7788 (new_basic_block): Likewise, use HASH_SIZE, and inline
7790 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7791 and inline free_element call.
7792 (lookup_as_function, insert, flush_hash_table, invalidate,
7793 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7794 invalidate_for_call, use_related_value, find_comparison_args,
7795 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7796 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7799 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7801 * cse.c (cse_basic_block): Free qty_table consistently.
7803 1999-12-12 David S. Miller <davem@redhat.com>
7804 Jakub Jelinek <jakub@redhat.com>
7806 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7807 SUBREGs by hand, gen the appropriate hard reg directly.
7808 (movtf reg/mem split): Likewise and alter_subreg on destination
7810 (movtf mem/reg split): Similarly.
7811 (movdf_cc_sp64): Rename from hidden pattern.
7812 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7813 (movtf_cc_sp64, following split): New pattern and splitter.
7814 (movdf_cc_reg_sp64): Rename from hidden pattern.
7815 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7817 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7819 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7821 * loop.c (load_mems): Don't hoist written floating point mem
7824 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7826 * except.h (struct eh_queue): Add `next' pointer.
7827 (struct eh_status): Make x_ehqueue a pointer.
7828 (push_ehqueue): Declare.
7829 (pop_ehqueue): Likewise.
7830 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7832 (expand_fixup_region_end): Likewise.
7833 (expand_leftover_cleanups): Likewise.
7834 (push_ehqueue): Define.
7835 (pop_ehqueue): Likewise.
7836 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7837 than doing it inline.
7838 (expand_start_all_catch): Adjust now that ehqueue is a
7840 (mark_eh_queue): Mark all level of the queue.
7841 (mark_eh_status): Adjust now that ehqueue is a
7843 (init_eh_for_function): Allocate ehqueue.
7844 (free_eh_status): Free it.
7845 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7846 expansion for a fixup.
7848 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7850 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7852 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7853 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7854 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7855 function_ptr, getpagesize, __enable_execute_stack,
7856 __enable_execute_stack, __clear_insn_cache,
7857 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7858 _cleanup, _exit, __default_terminate, __terminate_func,
7859 __terminate, __empty, __throw, new_eh_context,
7860 eh_context_initialize, eh_context_static, eh_context_specific,
7861 get_eh_context, __get_eh_context, __get_eh_info,
7862 init_reg_size_table, eh_threads_initialize,
7863 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7864 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7865 __pure_virtual): Add prototype arguments.
7866 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7867 Cast a signed value to unsigned long when comparing against one.
7868 (new_eh_context): Wrap in _GTHREADS macro.
7869 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7871 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7872 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7874 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7876 * combine.c (record_promoted_value): Remove unused variable
7879 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7881 * global.c (record_conflicts): Likewise for `j'.
7883 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7886 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7888 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7889 output_fp_compare): Constify a char*.
7891 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7893 (override_options, ix86_comp_type_attributes, print_operand,
7894 output_387_binary_op, output_fix_trunc, output_fp_compare):
7896 (ix86_sched_reorder): Mark parameter `clock_var' with
7899 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7901 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7903 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7904 operand, for use in the Java front-end.
7906 1999-12-10 Ben Collins <bcollins@debian.org>
7908 * configure.in: Fix typo for "-64" in 64bit as check.
7909 * configure: Rebuilt.
7911 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7913 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7916 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7918 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7919 concatenation is utilized.
7921 * invoke.texi (-Wtraditional): Document it.
7923 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7925 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7926 Cast a ptrdiff_t to long and pass it to printf with %ld.
7928 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7930 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7931 68881, we have no 68881 registers at all.
7932 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7933 value in a 68881 register if it is available.
7935 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7937 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7938 for long long multiply-accumulate.
7940 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7942 * loop.c (insert_loop_mem): Undo last change.
7944 1999-12-10 David S. Miller <davem@redhat.com>
7946 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7948 * config/sparc/sparc-protos.h: Add them.
7949 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7950 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7951 constraints which use those helpers.
7952 (EXTRA_CONSTRAINT): Use this new macro.
7953 * md.texi: Update sparc target constraints documentation.
7954 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7955 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7956 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7957 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7958 (movsf high/lo_sum split): Rework for new patterns.
7959 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7961 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7963 * c-common.c (c_common_nodes_and_builtins):
7964 Create __builtin_ptrdiff_t and __builtin_size_t.
7966 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7968 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7970 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7972 * regclass.c (globalize_reg): Re-instate test that allows
7973 fixed registers to be declared as a variable even after functions
7976 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7978 * i386.md (cpu attribute): Add "athlon".
7979 (athlon_decode): New attribute.
7980 (Athlon scheduling units definitions): New.
7981 (fcmp and shld patterns): Set athlon_decode to "vector".
7982 * i386.c (athlon_cost): New.
7984 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7985 x86_use_sahf): Set for Athlon.
7986 (x86_use_fiop): Unset for Athlon.
7987 (override_options): Define Athlon alignments and "athlon" name.
7988 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7989 * i386.h (TARGET_ATHLON): New.
7990 (enum processor_type): Add PROCESSOR_ATHLON.
7991 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7993 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7995 1999-12-09 Andreas Jaeger <aj@suse.de>
7997 * loop.c (record_biv): Declare parameter as int.
7999 * config/i386/i386-protos.h: Declare long_memory_operand.
8001 1999-12-09 Mark Mitchell <mark@codesourcery.com>
8003 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
8004 EXPR_WITH_FILE_LOCATION.
8006 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8008 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
8011 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
8013 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
8016 1999-12-09 Jakub Jelinek <jakub@redhat.com>
8018 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
8019 default on linux64 again.
8020 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
8021 models for multilibing.
8022 * genmultilib: Accept | as alternative separator within a set in
8025 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
8027 * calls.c (precompute_arguments): Make sure initial_value contains
8028 value pseudo which CSE expects.
8029 * cse.c (struct set): New entry orig_src.
8030 (cse_insn): Set it early on entry, use it for libcall EQUIV note
8033 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
8035 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
8037 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8039 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
8041 1999-12-08 Jakub Jelinek <jakub@redhat.com>
8043 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
8044 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
8046 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
8049 * longlong.h: Merge in changes from glibc.
8050 Also don't clobber %g2 register in 32bit SPARC assembly, so that
8051 -mno-app-regs libgcc can be compiled.
8052 * libgcc2.c: Add defines so that the updated longlong.h
8053 can be used in libgcc2.a. Also, make sure on most architectures
8054 (at least on all which have optimized code in longlong.h defined
8055 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
8057 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8059 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
8060 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
8061 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
8063 * configure: Rebuilt.
8065 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
8067 * alpha.c (secondary_reload_class): For !BWX, sub-simode
8068 outputs require a register.
8070 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
8072 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
8073 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
8074 functions like dptoul will be resolved.
8075 (libgcc2.a): Make sure that the object files from DPBIT are named
8076 differently (prefix `_dp') from those that would be coming from
8079 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
8081 * configure.in: When target is sparc* and tm_file contains 64,
8082 test for 64bit support in assembler. If not supported, remove
8083 sparc/t-sol2-64 from target-dependent Makefile fragments.
8084 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
8085 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
8086 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
8087 * acconfig.h (AS_SPARC64_FLAG): Added.
8088 * configure, config.in: Rebuilt.
8089 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
8090 support. Use AS_SPARC64_FLAG.
8092 1999-12-07 Jakub Jelinek <jakub@redhat.com>
8094 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
8095 suitable for holding OFmode values so that gcc works with complex
8097 (hard_64bit_mode_classes): Likewise.
8099 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
8100 so that it is actually matched.
8101 (sethi_di_medlow): Likewise.
8103 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
8104 as legitimate constant if -mvis.
8105 * config/sparc/sparc.md (movtf): Likewise.
8106 (clear_sf): Use const_double_operand.
8107 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
8109 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
8110 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
8111 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
8112 routines, _Qp_* cannot be handled like that now.
8113 (INIT_TARGET_OPTABS): Likewise.
8114 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
8115 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
8116 sparc_emit_float_lib_cmp if ARCH64 and soft float.
8117 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
8118 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
8119 divtf3, sqrttf3): New expanders.
8120 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
8121 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
8122 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
8125 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
8126 * configure: Rebuilt.
8127 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
8128 -mcpu is given and we're doing 64bit compiles.
8130 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
8132 * loop.h (struct induction): Add multi_insn_incr.
8133 * loop.c (basic_induction_var): New multi_insn_incr argument.
8134 Set it if we search back through previous insns for the biv.
8135 (record_biv): New multi_insn_incr argument; fill in struct induction.
8136 (strength_reduce): Discard an iv with multiple bivs, any of
8137 which require multiple insns to increment.
8139 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8141 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
8144 1999-12-06 David S. Miller <davem@redhat.com>
8146 * combine.c (check_promoted_subreg): Do not conditionalize this upon
8147 PROMOTE_FUNCTION_RETURN.
8149 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
8151 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
8152 and handle REG_UNUSED note on insn.
8154 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
8155 inner_mask instead of mask.
8157 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
8159 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
8160 zero if there was an error.
8162 1999-12-06 Jakub Jelinek <jakub@redhat.com>
8164 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
8167 * longlong.h: Fix clobbers in SPARC asm statements.
8169 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
8170 valid sethi operations when TARGET_ARCH64.
8172 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
8173 always use move_by_pieces to avoid infinite recursion.
8174 (restore_fixed_argument_area): Likewise.
8176 * combine.c (check_promoted_subreg, record_promoted_value): New
8178 (combine_instructions): Use them to retain nonzero and sign bit
8179 information after SUBREGs are eliminated by optimizations in
8180 this pass if PROMOTE_FUNCTION_RETURN.
8182 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
8183 .register declaration. Don't use variables with __ prefixes.
8185 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8187 * fold-const.c (optimize_bit_field_compare): Only use one mode
8188 for both RHS and LHS in non-constant case.
8190 1999-12-06 Nathan Sidwell <nathan@acm.org>
8192 * frame.c (start_fde_sort): Only allocate erratic array, if
8193 linear one was allocated. Return allocated flag.
8194 (fde_insert): Only insert, if there's a valid array.
8195 (fde_end_sort): Split, sort and merge if linear and erratic
8196 arrays exist, else just sort linear one.
8197 (search_fdes): New function. Linear search through original fde
8199 (frame_init): Permit multiple initializations. Cope with
8201 (find_fde): Fallback on linear search, if failed to sort array.
8202 (__deregister_frame_info): Only free sorted array, if we
8205 1999-12-06 Jakub Jelinek <jakub@redhat.com>
8207 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
8209 1999-12-05 Jakub Jelinek <jakub@redhat.com>
8211 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
8213 1999-12-05 Mark Mitchell <mark@codesourcery.com>
8215 * tree.h (special_function_p): Declare.
8216 * calls.c (special_function_p): Make it global. Don't take `name'
8217 as a parameter. Fix typo in 1999-11-28 change.
8218 (expand_cal): Adjust.
8220 1999-12-04 Mark Mitchell <mark@codesourcery.com>
8222 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
8223 * tree.h (EXPR_WFL_FILENAME): Define in terms of
8224 EXPR_WFL_FILENAME_NODE.
8225 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
8227 * print-tree.c (print_note): Print TREE_PRIVATE and
8230 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
8231 the original die cannot be found.
8233 * varray.h (varray_head_tag): Add elements_used.
8234 (VARRAY_PUSH): New macro.
8235 (VARRAY_POP): Likewise.
8236 (VARRAY_TOP): Likewise.
8237 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
8239 * varray.c (varray_init): Initialize elements_used.
8240 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
8241 (INTEGRATE_H): New variable.
8242 (integrate.o): Depend on INTEGRATE_H.
8243 (unroll.o): Likewise.
8245 * function.h (insert_block_after_note): Declare.
8246 * function.c (insert_block_after_note): Split out from ...
8247 (retrofit_block): ... here.
8249 * stmt.c (expand_fixup): Fix typo in comment.
8251 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8253 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
8254 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
8255 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
8256 (regmove_optimize, fixup_match_1): Likewise.
8258 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8260 * flow.c (flow_loops_dump): Add missing argument when calling
8263 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
8264 Greg McGary <gkm@gnu.org>
8266 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
8267 (init_attributes): Add A_NO_LIMIT_STACK.
8268 (decl_attributes): Handle A_NO_LIMIT_STACK.
8269 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
8270 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
8271 Handle stack bounds checking.
8272 * flags.h (flag_stack_check): Use the word 'probe' rather than
8273 'check', because the flag doesn't actually cause any checking to
8275 * function.c (expand_function_start): Set
8276 current_function_limit_stack.
8277 * function.h (struct function): Add limit_stack.
8278 (current_function_limit_stack): Define.
8279 * invoke.texi (Code Gen Options): Document new options.
8280 * rtl.h: Declare stack_limit_rtx.
8281 * toplev.c (stack_limit_rtx): New variable.
8282 (decode_f_option): Handle new options -fstack-limit-register=REG,
8283 -fstack-limit-symbol=IDENT, -fno-stack-limit.
8284 (main): Add stack_limit_rtx as GC root.
8285 * tree.h (DECL_NO_LIMIT_STACK): New macro.
8286 (struct tree_decl): New member no_limit_stack.
8288 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
8290 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
8291 (conditional_trap+1): Get new mnemonic correct.
8292 (conditional_trap+2): New pattern for DImode traps.
8294 * config/m68k/m68k.c (output_function_prologue): Handle
8296 * config/m68k/m68k.md (trap): New insn.
8297 (conditional_trap): New insn.
8298 * md.texi (Standard Names): Document `trap' and
8300 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
8301 so a cc0 setter doesn't get emitted at some random place in the
8304 * config/i960/i960.md (trap): New insn.
8305 (conditional_trap): New expander.
8306 (conditional_trap+1, conditional_trap+2): New insns for signed
8308 * config/i960/i960.c (i960_function_prologue): Use
8309 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
8311 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
8312 Geoffrey Keating <geoffk@cygnus.com>
8314 * flags.h (warn_padded, warn_packed): Add global var decls.
8315 * toplev.c (warn_padded, warn_packed): Add global var defns.
8316 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
8317 * stor-layout.c (layout_record): Add local variable `type'
8318 to hold often-used TREE_TYPE (field). Add local variable
8319 `unpacked_align' to hold alignment that would be in force
8320 if no `packed' attribute were present. Warn if `packed' attribute
8321 is unnecessary, or even harmful. Warn when gcc inserts padding
8322 to satisfy alignment requirements of members. Use NULL_TREE
8323 when checking whether var_size is set.
8324 * invoke.texi: Document new flags.
8326 1999-12-03 Nathan Sidwell <nathan@acm.org>
8328 * frame.c (fde_split): Reimplement to avoid variable sized array.
8330 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8332 * combine.c (try_combine): Before fixing up LOG_LINKS for the
8333 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
8335 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
8337 * invoke.texi: Document the mips option -mno-crt0
8339 1999-12-02 Mike Karr <mkarr@mathworks.com>
8341 * cccp.c (argdata): Added free_ptr member.
8342 (macroexpand): Initialize free_ptr of each argument. When an
8343 argument's buffers are freed, if the argument's free_ptr corresponds
8344 to a buffer on the input stack, then return the free_ptr to that stack
8345 frame, otherwise, free it.
8346 (macarg): If an argument begins and ends on the same input stack level,
8347 then transfer the free_ptr of that buffer to the argument in case
8348 the stack is popped during the processing of a subsequent argument.
8350 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
8352 * loop.c (note_reg_stored): New function.
8353 (struct note_reg_stored_arg): New structure.
8354 (try_copy_prop): Change to be more conservative; only replace within
8355 one extended basic block and stop replacing if a store to the
8356 replacement reg is seen.
8358 1999-12-02 Nick Clifton <nickc@cygnus.com>
8360 * config/fp-bit.c: Initialise all fields of the NAN
8363 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
8366 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8368 * i386.md (extend?f?f2): Force the input into a register, not
8371 1999-12-01 Jakub Jelinek <jakub@redhat.com>
8373 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
8375 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
8376 alternative because setting up 64bit constant is usually costly,
8377 especially when reload is in progress or completed.
8378 (movdf_const_intreg_sp64): Likewise.
8379 (movdf_const_intreg split): Fix building up constants when
8380 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
8382 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
8384 * combine.c (if_then_else_cond): Use const_true_rtx instead of
8385 const1_rtx for return values in EQ/NE comparison against (const_int 0)
8388 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
8389 (asm_file_start): Emit .am33 into assembly file when compiling for
8391 (print_operand_address): Handle POST_INC addresses.
8392 (can_use_return_insn, initial_offset): Check AM33 registers too.
8393 (expand_prologue): Check & save AM33 registers too.
8394 (expand_epilogue): Similarly.
8395 (secondary_reload_class): Handle AM33 specific secondary reloads.
8396 (output_tst): Emit efficient code for the AM33 too.
8397 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
8398 (TARGET_SWITCHES): Add -mam33 switch.
8399 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
8400 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
8401 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
8402 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
8403 (enum reg_class, REG_CLASS_NAMES): Likewise.
8404 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
8405 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
8406 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
8407 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
8408 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
8409 (HAVE_POST_INCREMENT): Define.
8410 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
8411 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
8412 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
8413 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
8414 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
8415 (zero_extend to SI from QI/HI): Likewise.
8416 (sign_extend to SI from QI/HI): Likewise.
8417 (mulsidi3, umulsidi3): New patterns for the AM33.
8418 (tstsi with zero extension from QI/HI): Add AM33 variants.
8419 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
8420 (return_internal_regs, store_movm): Handle new AM33 registers.
8421 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
8422 (LIBGCC, INSTALL_LIBGCC): Likewise.
8423 * invoke.texi: Document new flags.
8425 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8427 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
8428 (addsi3_carry): Likewise.
8429 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
8430 (sbbsi3_carry): Likewise.
8431 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
8433 (test?i_1): Ensure that only one operand is memory.
8434 (conditional move patterns): likewise.
8435 (shift and rotate patterns): Rewrite to expander, add
8436 "binary_operator_ok" to the condition.
8438 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
8439 * i386.h (procesor_costs): Add movzbl_load field.
8440 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
8441 non-Q registers, accept DImode registers anywhere.
8443 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
8444 * i386.c (*_cost): Set value for movxbl_load field.
8446 * (addsi): New add to lea splitter.
8448 (lea to add/shift peep2): New.
8450 1999-12-01 Mark Salter <msalter@cygnus.com>
8452 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
8453 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
8454 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
8456 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8458 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
8459 * i386.md (movsi_xor): New.
8461 (movsi_1, movhi_1, movqi_1): Remove.
8462 (movsi_2): Rename to movsi_1.
8463 (movhi_2): Rename to movhi_1.
8464 (movqi_2): Rename to movqi_1.
8465 (movdi_1): Remove; remove splitter.
8466 (movdi_2): Rename to movdi_1.
8467 (divmodsi4 splitter): Do not emit clobbers for move patterns.
8468 (long move peep2): Do not create QI or HI mode mov0s
8469 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
8471 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
8474 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
8475 (abs?f2_if): Likewise.
8477 1999-11-30 Alex Samuel <samuel@codesourcery.com>
8479 * ggc.h (ggc_test_and_set_mark): New macro.
8480 (ggc_mark_rtx): Use ggc_test_and_set_mark.
8481 (ggc_mark_tree): Likewise.
8482 (ggc_mark_rtvec): Likewise.
8483 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
8485 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
8487 * dwarf2out.c (scope_die_for): Only handle types. Only search for
8489 (decl_scope_table): Just an array of trees now.
8490 (push_decl_scope): Simplify.
8491 (dwarf2out_init): Adjust.
8492 (local_scope_p): New fn.
8493 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
8494 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
8495 (gen_typedef_die): Likewise.
8496 (gen_lexical_block_die): Don't call push/pop_decl_scope.
8497 (gen_inlined_subroutine_die): Likewise.
8498 (gen_abstract_function): Set current_function_decl temporarily.
8499 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
8500 Handle block extern declarations. Don't call push/pop_decl_scope.
8501 (gen_decl_die): Fix logic for block externs.
8503 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8505 * calls.c (special_function_p): Remove `realloc' and add `strdup'
8506 to the list of functions which have attribute malloc by default.
8508 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8510 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
8511 integer constant does not match the traditional type, limit the
8512 warnings to cases where the base of the type is ten.
8514 * invoke.texi (-Wtraditional): Document it.
8516 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8518 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
8519 * rs6000.md: Only access a CONST_INT with INTVAL
8521 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
8523 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
8524 (compute_nearerout): Likewise.
8525 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
8526 size_t to unsigned long for formatting.
8528 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8530 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
8531 Allow the user to override call-used/fixed state of %g2-5
8532 registers from the command line (with the exception of %g4 for
8534 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
8535 there is a higher chance of having a leaf function.
8536 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
8537 for ARCH64 which has %ccr register.
8538 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8540 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8541 insn accept into delay slot any insn which does not use %[ol]
8542 registers. Accept some LO_SUM and shift left by 1 for the normal
8544 (output_function_epilogue): Likewise.
8545 (epilogue_renumber): Added argument which inhibits any renumbering
8546 and just tests if the rtx does not use any %[ol] registers.
8547 (output_return): Reflect above change.
8549 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8551 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8552 aggregate passing for sizes <= 16 bytes.
8554 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8556 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8557 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8558 * reload.c (find_dummy_reload): Likewise.
8559 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8560 * reload1.c (reload_as_needed): Likewise.
8561 * stupid.c (stupid_find_reg): Likewise.
8562 * tm.texi (Obsolete Register Macros): Delete section.
8563 * gmicro.h: Remove all traces of the two macros.
8568 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8570 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8571 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8572 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8573 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8574 units for the sparclite86x chip.
8575 (flush): Revert October 14th change; add SImode specifically.
8576 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8577 * invoke.texi: Document it.
8579 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8581 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8582 psimode_truncation_operand.
8584 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8585 function. Return true if the operand is either a MEM valid
8586 for a PSImode address or not a MEM at all.
8588 * config/mn10200/mn10200.md (truncsipsi2): Use
8589 psimode_truncation_operand.
8591 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8593 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8594 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8595 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8596 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8597 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8598 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8599 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8600 * basic-block.h: Protect from multiple inclusion.
8601 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8602 (struct loops, struct loop): Define structures.
8603 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8604 * sbitmap.h: Protect from multiple inclusion.
8605 (sbitmap_a_subset_b_p): Add prototype.
8606 * Makefile.in (LOOP_H): New macro.
8607 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8609 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8611 * cppinit.c (CAT): The argument list of this macro may not contain
8614 1999-11-29 David S. Miller <davem@redhat.com>
8616 Move quantity tables and register equivalence chains into
8617 per-qty and per-register structure arrays respectively.
8618 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8619 qty_const_insn, qty_comparison_code, qty_comparison_const,
8620 qty_comparison_qty): Delete, replace with...
8621 (qty_table): this structure table.
8622 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8623 (reg_eqv_table): this structure table.
8624 (make_new_qty): Add argument MODE. Caller updated.
8625 Update to use qty_table and reg_eqv_table.
8626 (make_regs_eqv, delete_reg_equiv, insert_regs,
8627 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8628 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8629 cse_process_notes, cse_main, cse_basic_block): Likewise.
8631 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8633 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8634 operation if C is negative.
8635 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8636 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8637 law for some divisions if constant is negative and change other
8638 divisions to the opposite rounding.
8640 * expr.c (store_constructor_field): If bit position is not multiple
8641 of alignment of TARGET's mode, use BLKmode.
8643 * expr.c (expand_expr_unaligned): Add more code from full case
8644 that is needed when OP0 is in a register.
8646 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8648 * dwarfout.c (field_byte_offset): Size can be zero if there was
8651 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8653 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8654 (associate_trees): Delete unused var TEM.
8655 (extract_muldiv): Delete unused var CANCEL_P.
8657 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8658 (target_isinf, target_isnan, target_negative): Add return types to
8659 function definitions.
8661 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8663 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8664 * fixinc/hackshell.tpl: ditto
8665 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8666 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8668 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8670 * reload.c (push_reload): When looking for a register to put into
8671 reg_rtx, make sure all hard regs in a multi-reg register are in the
8672 right class and nonfixed.
8674 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8675 pending_read_insns, pending_write_insns, pending_read_mems,
8676 pending_write_mems, pending_list_length, last_pending_memory_flush,
8677 last_function_call, sched_before_next_call): Move static variables
8679 (bb_ prefixed versions): Replace with single array bb_deps.
8680 (struct deps): New structure.
8681 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8682 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8683 argument of type "struct deps *"; use that instead of global
8684 variables. All callers changed.
8685 (init_rgn_data_dependencies): Delete function.
8686 (init_rtx_vector): Delete function.
8687 (init_deps): New function.
8689 (free_pending_lists): Simplify, we always use the bb_deps array even
8690 if only one basic block.
8691 (compute_block_backward_dependences): Likewise.
8692 (schedule_region): Likewise.
8694 (propagate_deps): New function, broken out of
8695 compute_block_backward_dependences.
8696 (compute_block_backward_dependences): Use it.
8698 * alpha.md: Delete useless patterns that tried to work around
8699 register elimination problems.
8701 * unroll.c (loop_iterations): Don't abort if iteration variable
8704 From Joern Rennecke:
8705 * reload1.c (reloads_conflict): Reverse test comparing operand
8706 numbers when testing for conflict between output/outaddr reloads.
8708 1999-11-29 David S. Miller <davem@redhat.com>
8710 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8712 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8714 1999-11-28 Robert Lipe <robertl@cygnus.com>
8716 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8717 table from .fini into .dtor.
8719 1999-11-28 Anthony Green <green@cygnus.com>
8721 * tree.h (struct tree_decl): Add malloc_flag.
8722 (DECL_IS_MALLOC): Define.
8723 * c-common.c (attrs): Add A_MALLOC attribute.
8724 (init_attributes): Add this attribute to the table.
8725 (decl_attributes): Handle malloc attribute.
8726 * calls.c (special_function_p): Check for the malloc attribute.
8727 * extend.texi (Function Attributes): Document malloc attribute.
8729 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8731 * pa.md (reload shift-add patterns): Remove.
8733 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8735 * reorg.c (dbr_schedule) Print more statistics. Corrected
8736 problem when printing info when 3 delay slots are filled.
8738 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8740 * combine.c (setup_incoming_promotions): Pass an outgoing
8741 regno to FUNCTION_ARG_REGNO_P which it expects.
8743 1999-11-28 Andreas Jaeger <aj@suse.de>
8745 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8747 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8749 * cccp.c (do_include): Avoid initialization of automatic variable.
8751 * integrate.c (mark_stores): Function definition made void, to match
8752 previous declaration.
8753 * regclass.c (dump_regclass): Ditto.
8754 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8756 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8758 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8759 known to be multiple of divisor.
8761 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8763 * combine.c (try_combine): Add code to try to merge a set of a
8764 two-word pseudo to a constant with a setting of one of those words
8767 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8768 (split_tree): Completely rework to make more general.
8769 (make_range, fold): Call negate_expr.
8770 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8771 (fold, associate): Call new split_tree and associate_trees.
8772 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8774 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8776 * loop.c (try_copy_prop): Avoid GNU C extension.
8778 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8780 * except.c (init_eh_for_function): Still zero eh_return_context,
8781 eh_return_stack_adjust, and eh_return_handler.
8783 * except.h (eh_status): Adjust documentation for x_protect_list.
8784 (begin_protect_partials): New function.
8785 * except.c (enqueue_eh_entry): Fix formatting.
8786 (get_first_handler): Add consistency check.
8787 (add_partial_entry): Adjust usage of protect_list.
8788 (emit_cleanup_handler): Save and restore ehqueue.
8789 (expand_start_all_catch): Add comment.
8790 (begin_protect_partials): New function.
8791 (end_protect_partials): Adjust usage of protect_list.
8792 (init_eh_for_function): Use xcalloc.
8794 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8796 * c-common.c (check_format_info): Don't call a variadic function
8797 with a non-literal format string.
8799 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8801 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8802 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8805 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8808 * collect2.c (collect_wait): Likewise.
8810 * dbxout.c (dbxout_type): Likewise.
8812 * gcc.c (do_spec_1): Likewise.
8814 * genemit.c (gen_insn, gen_expand): Likewise.
8816 * genrecog.c (write_switch, write_subroutine): Likewise.
8818 * mips-tfile.c (catch_signal, botch): Likewise.
8820 * print-rtl.c (print_rtx): Likewise.
8822 * toplev.c (default_print_error_function, report_error_function,
8823 _fatal_insn): Likewise.
8825 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8827 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8829 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8831 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8832 operations when needed.
8833 * i386.md (fop_?f_comm): New.
8834 (fop_?f_1): Do not accept commutative operands.
8836 1999-11-25 Andreas Jaeger <aj@suse.de>
8838 * config/mips/mips.md (casesi_internal): Add missing brace.
8840 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8842 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8843 (splice_child_die): Handle moving a child DIE from the declaration
8844 DIE of a class to its specification.
8845 (gen_struct_or_union_type_die): Use 'complete' consistently.
8846 (gen_decl_die): Generate the virtual context DIE first.
8847 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8849 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8851 * config/mips/mips.md (call_value_multiple_interanal1): New.
8853 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8855 * dwarf2out.c (free_AT, free_die): New fns.
8856 (remove_children): Call them.
8857 (output_line_info): Disable removal of duplicate notes.
8859 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8860 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8861 means pretend the type isn't defined.
8862 Don't defer emitting types.
8863 (gen_type_die_for_member): New fn.
8864 (gen_decl_die): Call it.
8865 (splice_child_die): New fn.
8866 (gen_member_die): Call it rather than generate duplicate dies.
8868 Defer emitting information for the abstract instance of an inline
8869 until we either inline it or emit an out-of-line copy.
8870 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8871 from output_inline_function if DECL_ABSTRACT is also set.
8872 (block_ultimate_origin): Likewise.
8873 (gen_abstract_function): New fn.
8874 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8875 (gen_subprogram_die): An abstract instance is not a declaration
8876 just because it doesn't match current_function_decl. Don't abort
8877 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8878 has an abstract origin.
8879 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8880 abstract instance here.
8882 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8884 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8885 where we need to reload fpul from a system register.
8887 1999-11-24 Andreas Jaeger <aj@suse.de>
8889 * config/mips/linux.h (CPP_PREDEFINES): Added.
8890 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8892 1999-11-24 Andreas Jaeger <aj@suse.de>
8894 * config/mips/linux.h (TARGET_VERSION): Added.
8895 (HANDLE_SYSV_PRAGMA): Added.
8896 (DEFAULT_VTABLE_THUNKS): Added.
8898 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8900 * local-alloc.c (qty): New structure and static variable.
8901 (qty_phys_reg): Remove, all references changed to qty.
8902 (qty_n_refs): Likewise.
8903 (qty_min_class): Likewise.
8904 (qty_birth): Likewise.
8905 (qty_death): Likewise.
8906 (qty_size): Likewise.
8907 (qty_mode): Likewise.
8908 (qty_n_calls_crossed): Likewise.
8909 (qty_alternate_class): Likewise.
8910 (qty_changes_size): Likewise.
8911 (qty_first_reg): Likewise.
8912 (alloc_qty): Rename variable QTY to QTYNO.
8913 (finf_free_reg): Likewise.
8914 (local_alloc): Allocate qty, do not allocate the removed variables.
8916 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8918 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8919 when -membedded-pic is passed.
8921 * config/mips/mips.md (casesi): Handle 64-bit case too.
8922 (casesi_internal_di): New insn.
8924 * config/mips/mips.c (embedded_pic_offset): Always make the
8925 embedded-pic subtractions relative to the name of the current
8926 function by use of the magic string "..CURRENT_FUNCTION".
8927 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8929 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8931 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8932 of (const_int 0), when what we really care about is
8933 whether it's a zero constant anyway.
8934 (div_trap_mips16): Likewise.
8936 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8938 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8939 unroll_block_trees when generating debuggable code.
8941 * tree.h (unsave_expr_1): New function.
8942 (lang_unsave): New variable.
8943 (get_callee_fndecl): New function.
8944 * tree.c (unsave_expr_now_r): New function.
8945 (lang_unsave): Define.
8946 (unsave_expr_1): Likewise.
8947 (unsave_expr_now_r): Split out from unsave_expr_now.
8948 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8949 call unsave_expr_now_r.
8950 (get_callee_fndecl): Define.
8952 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8953 (gencheck.o): Do depend on lang_tree_files.
8955 * integrate.h (copy_decl_for_inlining): New declaration.
8956 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8957 (copy_decl_for_inlining): New function.
8958 (integrate_parm_decls): Use it.
8959 (integrate_decl_tree): Likewise.
8961 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8963 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8964 the second two from the first.
8965 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8966 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8967 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8969 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8970 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8973 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8975 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8976 needed on the address operand.
8977 * pa.c (call_operand_address): Check for the correct mode.
8979 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8981 * loop.c: Include "basic-block.h".
8982 (try_copy_prop, replace_loop_reg): New functions.
8983 (load_mems): Detect registers that just hold copies of the hoisted
8984 mem, and call try_copy_prop to eliminate them.
8985 * Makefile.in (loop.o): Update dependencies.
8987 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8989 * Makefile.in (gencheck.o): Depend on gencheck.h.
8990 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8991 (insn-peep.o): Depend on except.h and function.h.
8992 (insn-attrtab.o): Depend on RECOG_H.
8993 (insn-output.o): Depend on toplev.h and flags.h.
8994 (gengenrtl.o): Depend on real.h.
8995 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8996 Unify all dependencies to be on RECOG_H rather than recog.h.
8998 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9000 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
9001 * configure.in: Try building a bi-arch 32/64-bit compiler on
9002 sparc-*-solaris2.7 and higher.
9003 * configure: Rebuild.
9005 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
9007 * config/freebsd.h: New, FreeBSD architecture independent file.
9008 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
9010 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
9011 directly by i386/freebsd.h.
9012 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
9013 independent configuration file.
9014 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
9015 directly by i386/freebsd.h.
9016 * configure: Rebuilt.
9018 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
9019 which is in the user's namespace.
9020 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
9021 `i386' which is not in our namespace.
9023 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
9025 * invoke.texi (ARM Options): Add in -mno-alignment-traps
9027 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
9029 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
9030 (add_dwarf_attr, add_child_die): Just push onto the front.
9031 (reverse_die_lists): New fn.
9032 (add_sibling_attributes): Use it.
9033 (push_decl_scope): Reorganize.
9034 (add_name_and_src_coords_attributes): Don't set file and line for
9036 (gen_subprogram_die): An artificial function doesn't need to match
9038 (gen_compile_unit_die): Return the generated die. Only add
9039 AT_comp_dir if the filename is relative.
9040 (remove_AT): Simplify loop. Also free string values.
9041 (output_die): A DIE ref can't be null.
9042 (output_value_format, value_format): Take a dw_attr_ref.
9043 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
9044 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9045 AT_addr, AT_lbl): New fns.
9046 (various): Use them.
9047 (various): Constify.
9049 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9051 * combine.c (combine_simplify_rtx): When handling a SUBREG,
9052 take SUBREG_WORD into account.
9053 (if_then_else_cond): Likewise.
9055 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
9057 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
9058 clause from BSD license, pursuant with
9060 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
9062 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
9064 * loop.c (load_mems): Reformat slightly.
9065 * basic-block.h (regset_head): New typedef.
9066 (INIT_REG_SET): New macro.
9068 1999-11-22 Bruce Korb <autogen@linuxbox.com
9070 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
9071 (mips-dec-bsd*): non-functional code
9072 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
9074 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
9075 added three replacement fixes
9076 (no_double_slash): removed comments that are not (any longer) pertinent
9077 (bad_lval): this fix currently runs against many files.
9078 The comment seems to indicate that we should select for files
9079 containing 'pragma extern_prefix'.
9081 * fixinc/fixinc.x86-linux-gnu: deleted
9082 * fixinc/inclhack.sh: regen
9083 * fixinc/fixincl.x: regen
9084 * fixinc/fixincl.sh: regen
9086 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
9088 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
9089 its code is INSN and it has no notes.
9091 1999-11-22 Andrew Haley <aph@cygnus.com>
9093 * varasm.c (function_defined): Remove.
9094 (make_function_rtl): Don't set function_defined.
9095 (make_decl_rtl): Remove global register warning.
9096 * regclass.c (no_global_reg_vars): New variable.
9097 (globalize_reg): Warn if function has already been defined.
9098 (regclass_init): Set no_global_reg_vars.
9100 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9102 * regclass.c (reg_pref): New structure and static variable
9103 (prefclass): Delete.
9105 (all uses of prefclass and altclass): Use reg_pref instead.
9107 1999-11-21 Nick Clifton <nickc@cygnus.com>
9109 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
9111 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
9112 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
9113 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
9115 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
9117 * varasm.c (output_constructor): Solve problem with long long
9118 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
9120 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9122 * global.c (allocno): New structure and static variable.
9123 (allocno_reg): Remove, all references replaced by allocno.
9124 (allocno_size): Likewise.
9125 (hard_reg_conflicts): Likewise.
9126 (hard_reg_preferences): Likewise.
9127 (hard_reg_copy_preferences): Likewise.
9128 (hard_reg_full_preferences): Likewise.
9129 (regs_someone_prefers): Likewise.
9130 (allocno_calls_crossed): Likewise.
9131 (allocno_n_refs): Likewise.
9132 (allocno_live_length): Likewise.
9133 (find_reg): Rename ALLOCNO to NUM.
9135 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
9137 (may_move_out_cost): New variable.
9138 (init_reg_sets_1): Initialize may_move_out_cost.
9139 (record_reg_classes): Use may_move_out_cost.
9141 * regclass.c (dump_regclass): New function.
9142 (regclass): New parameter DUMP, call DUMP_REGCLASS.
9143 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
9144 pass rtl_dump_file to regclass.
9145 * rtl.h (regclass): Update prototype.
9147 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9149 * i386.md (neg, not and abs patterns): Revmap to use
9150 ix86_expand_unary_operator and ix86_unary_operator_ok.
9151 (add?f and sub?f expanders): Force operand 1 to register.
9152 * i386.c (ix86_expand_unary_operator): Rewrite.
9153 (ix86_unary_operator_ok): Ensure that memory operands
9155 (ix86_binary_operator_ok): Do not allow operand 1 to
9156 come into memory and operand 0 not.
9157 (ix86_expand_binary_operator): Ensure that
9158 src1 is not non-matching memory.
9160 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
9161 to support integer registers and memory.
9162 (abss?2_integer): Likewise.
9164 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
9165 (REG_CLASS_NAMES): Likewise.
9166 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
9168 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
9169 (movsf): Likewise; unify 4th and 5th alternative.
9171 (movdf_1): Likewise; rename to movdf_integer.
9172 (pushxf): Likewise; rename to pushxf_integer; fix output template;
9173 remove redundant splitter.
9174 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
9175 (movdf_nointeger): New.
9176 (movxf_nointeger): New.
9177 (pushxf_nointeger): New.
9179 * i386.md (extend?f?f): Split to expander and pattern, refuse two
9180 memory operands in patterns.
9181 (fop*): Refuse two memory operands.
9183 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
9184 on !TARGET_USE_CLTD CPUs.
9186 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
9188 * extend.texi: Document C++ restricted pointers and references.
9190 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
9192 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
9193 (invalidate_skipped_set): Call it unconditionally.
9194 (cse_set_around_loop): Likewise.
9196 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9198 * rtl.texi (mem): Add documentation for alias-set argument
9201 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9203 * i386.h (struct_processor_costs): New fields int_load, int_store,
9204 fp_move, fp_load and fp_store
9205 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
9207 (MEMORY_MOVE_COST): New macro.
9208 * i386.c (386_cost): Define new fields.
9209 (i486_cost): Likewise.
9210 (pentium_cost): Likewise.
9211 (pentiumpro_cost): Likewise.
9212 (k6_cost): Likewise.
9214 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
9215 Geoffrey Keating <geoffk@cygnus.com>
9217 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
9219 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
9222 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
9223 (TARGET_STRICT_ALIGNMENT): New macro.
9224 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
9225 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
9226 * invoke.texi (M680x0 Options): Document -mstrict-align.
9228 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
9229 Richard Henderson <rth@cygnus.com>
9231 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
9232 (ix86_split_long_move): Declare.
9233 * i386.c (split_xf, ix86_split_movdi): Remove.
9234 (ix86_split_to_parts, ix86_split_long_move): New.
9235 * i386.md (dimode move splitters): Use ix86_split_long_move.
9236 (dfmode move splitters): Likewise.
9237 (xfmode move splitters): Likewise.
9238 (movsf_1): Allow F->r.
9239 (movdf_1, movxf_1): Allow F->ro.
9241 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9243 * except.h (struct eh_entry): Add goto_entry_p.
9244 (eh_region_from_symbol): Remove prototype.
9245 * except.c (find_func_region_from_symbol): New function.
9246 (emit_cleanup_handler): Likewise.
9247 (eh_region_from_symbol): Make it static.
9248 (add_new_handler): Verify the argument.
9249 (find_func_region): Update comment.
9250 (expand_eh_region_end): Expand handlers here, rater than waiting
9251 until expand_leftover_cleanups or start_all_catch.
9252 (expand_leftover_cleanups): Don't expand here.
9253 (expand_start_all_catch): Or here.
9254 (expand_rethrow): Check the return value from find_func_region.
9255 * function.c (expand_function_end): Emit the catch_clauses.
9257 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
9259 * integrate.c (expand_inline_function): Add necessary check for NULL.
9261 1999-11-18 Nick Clifton <nickc@cygnus.com>
9263 * toplev.c (main): Correctly detect an unrecognised option.
9265 * cppinit.c (cpp_handle_option): Do not claim to have consumed
9266 a -f option if it has not been recognised.
9268 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
9270 * basic-block.h (update_life_extent): Remove trailing comma on
9271 enumeration type list.
9273 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9275 * varasm.c (output_constructor) Solved problem with long long
9276 bitfields. Corrected calculating this_time and shift. Also
9277 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
9279 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
9281 * flow.c (split_edge): Take looping structure into account when
9282 determining where to put the new block note.
9284 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
9286 * Makefile.in (ggc-none.o): Provide host specific version if
9289 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
9291 * cse.c (delete_trivially_dead_insns): Identify no-op insns
9292 containing subregs too.
9294 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9296 * invoke.texi: Add documentation for -muninit-const-in-rodata.
9297 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
9298 (TARGET_UNINIT_CONST_IN_RODATA): Define.
9299 (text_section): Add switches -munint-const-in-rodata and
9300 -mno-uninit-const-in-rodata.
9301 (ASM_OUTPUT_COMMON): Remove.
9302 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
9303 const objects should be placed in read-only data. Otherwise declare
9306 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
9308 * jump.c (jump_optimize_1): Revert last change.
9310 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
9312 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
9313 test if optimizing for size.
9315 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9317 * Makefile.in (toplev.o): Depend on except.h.
9318 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
9320 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9322 * i386.md (divmodsi4): Rewrite to expander.
9323 (*divmodsi4_nocltd): New.
9324 (*divmodsi4_cltd): New.
9325 (divmodsi4 splitter): Handle the case when input comes in edx.
9326 (udivmodhi4): Do not use constraints in exander.
9327 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
9329 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
9331 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
9332 for the common case.
9334 1999-11-16 Jakub Jelinek <jakub@redhat.com>
9336 * explow.c (hard_function_value): Add outgoing argument.
9337 * expr.h (hard_function_value): Declare it.
9338 * calls.c (expand_call, emit_library_call_value): Update callers.
9339 * function.c (aggregate_value_p): Ditto.
9340 (diddle_return_value): Must look at the outgoing registers
9341 on archs with register windows.
9343 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
9345 * alpha.c (alpha_build_va_list): Use make_lang_type and
9346 initialize TYPE_NAME for the va_list record.
9348 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
9350 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
9352 * ggc.h (struct ggc_statistics): Rearrange elements for better
9353 packing on 64-bit hosts.
9354 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
9355 (compute_nearerout): Likewise.
9357 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
9359 * config/rs6000/rs6000.c (first_reg_to_save): Save
9360 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
9362 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
9364 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
9365 notion of nesting to find the DIE for a type or function.
9366 DIEs can go in limbo even if we got a context_die.
9367 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
9368 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
9370 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
9371 (gen_type_die): Writing out the context doesn't cause member class
9372 template instantiations to be written out as well.
9374 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
9376 * rs6000.h (ASM_OUTPUT_DEF): New.
9377 Based on proposed addition from David Edelsohn.
9379 1999-11-15 Robert Lipe <RobertLipe@usa.net>
9380 Bruce Korb <autogen@linuxbox.com>
9382 * fixinc/inclhack.def
9383 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
9384 (unixware7_byteorder_fix): added. Removes conflicts for new defs
9386 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
9387 (svr4_endian): enabled with SVR5
9388 (svr4_mkdev): simplified syntax and enabled with SVR5
9390 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
9392 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
9393 * configure: Rebuilt.
9394 * config/t-freebsd-thread: New file.
9396 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
9398 * i386.c (ix86_decompose_address): Verify the base is a REG
9399 before trying to examine its register number.
9401 * basic-block.h: Remove all #defines and prototypes related to
9403 (free_bb_mem, compute_preds_succs): Remove prototype.
9404 * rtl.h (free_bb_mem): Remove prototype.
9405 * flow.c (alloc_int_list_node); Remove function.
9406 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
9407 (compute_preds_succs, free_bb_mem): Likewise.
9408 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
9409 * toplev.c (rest_of_compilation): Likewise.
9410 * haifa-sched.c (build_control_flow): Use flow generated edge
9411 list to build the haifa specific edge list.
9412 (find_rgns): Use new CFG data structures instead of pred/succ lists.
9413 (schedule_insns): Do not build pred/succ lists anymore. Instead
9414 build the edge table.
9416 * basic-block.h (dump_bb_data): Remove declaration.
9417 * flow.c (dump_bb_data): Remove function.
9418 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
9419 (sbitmap_union_of_predsucc): Likewise.
9421 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
9422 argument. All callers changed.
9423 (delete_null_pointer_checks_1): No longer need to compute the
9426 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
9427 All callers changed.
9428 (pre_expr_reaches_here_p_work): Likewise.
9429 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
9430 * lcm.c (compute_laterin): Fix initialization of LATER.
9431 (compute_nearerout): Similarly for NEARER.
9433 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9435 * cse.c (set_nonvarying_address_components): Delete unused function.
9436 (refers_to_p): Likewise.
9438 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
9440 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
9443 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9445 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
9446 definition in do while (0).
9448 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
9450 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
9452 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
9454 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
9456 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
9458 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
9459 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
9460 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9461 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
9463 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
9464 saved on the stack. Output more accurate stack frame statistics
9465 into assembler file.
9467 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
9469 * genextract.c (record_insn_name): New function.
9470 (get_insn_name): No longer a stub.
9471 (main): Call record_insn_name for each insn. After each label
9472 written, print the insn name in a comment.
9474 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9476 * output.h (const_section, init_section, fini_section): Add
9479 * alpha/elf.h (const_section): Delete declaration.
9481 * svr4.h (const_section): Likewise.
9483 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
9485 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
9486 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
9487 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
9489 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
9490 variable-sized array bounds.
9492 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
9494 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
9497 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9499 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
9500 addresses the same way GO_IF_LEGITIMATE_INDEX does.
9502 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9504 * cse.c (hash_arg_in_struct): Delete.
9505 (struct table_elt): Delete elt in_struct.
9506 (struct set): Delete elt src_in_struct.
9507 (merge_equiv_classes): Don't set either hash_arg_in_struct or
9508 the corresponding in_struct elts.
9509 (canon_hash): Likewise.
9510 (safe_hash): Likewise.
9511 (find_best_addr): Likewise.
9512 (record_jump_cond): Likewise.
9513 (cse_insn): Likewise.
9515 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
9517 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
9519 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
9522 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
9524 * function.c (diddle_return_value): Put back check that the DECL_RTL
9525 for the function is a register.
9527 * function.c (diddle_return_value): Use hard_function_value to
9528 get an rtx suitable for use in the USE/CLOBBER insn.
9530 * global.c (global_conflicts): Update comments.
9531 (record_conflicts): No need to record conflicts between pseudos here.
9533 1999-11-11 Bruce Korb <autogen@linuxbox.com>
9535 * fixinc/fixincl.c: Added verbose levels for status messages
9537 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9539 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9540 operand as argument to expand_and or expand_binop.
9542 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9544 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9545 gcc_add_string_root.
9547 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9549 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9551 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9553 * flow.c (compute_flow_dominators): Initially put all blocks on
9555 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9556 * gcse.c (compute_cprop_avinout): Remove.
9557 (compute_cprop_data): Use compute_available.
9558 (delete_null_pointer_checks_1): Use compute_available.
9560 * basic-block.h (compute_available): Returns a void now.
9561 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9562 to return a value anymore.
9563 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9564 worklists. Fix boundary cases. Compute maximal solutions.
9565 (compute_laterin, compute_nearerout): Similarly.
9567 * dwarf2out.c (add_AT_location_description): Allow
9568 (mem (plus (pseudo) (...)) too.
9570 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9572 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9574 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9575 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9577 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9579 * gansidecl.h: Likewise.
9585 * toplev.h: Likewise.
9591 * varray.c: Likewise.
9593 * varray.h: Likewise.
9595 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9597 * gcov.c (struct arcdata): Add hits and total, remove prob.
9598 (output_branch_counts): New.
9599 (process_args): Set output_branch_counts if -c.
9600 (calculate_branch_probs): Store hits and total instead of
9602 (output_data): Emit counts if output_branch_counts is true.
9603 * gcov.texi (Invoking Gcov): Document -c switch..
9605 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9607 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9608 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9610 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9612 * invoke.texi (C Dialect Options): Add missing builtins from
9614 * extend.texi (Other Builtins): Copy to this list.
9616 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9618 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9619 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9622 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9624 * flow.c (compute_flow_dominators): No longer treat basic block 0
9625 or (n_basic_blocks - 1) specially. Clear the AUX field before
9626 starting computation of doms/pdoms. Fix initial state for pdoms.
9628 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9630 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9631 match rtl.o's: added ggc.h and toplev.h
9632 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9633 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9634 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9636 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9638 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9639 from HAVE_DOS_BASED_FILESYSTEM.
9640 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9641 HAVE_DOS_BASED_FILESYSTEM.
9643 (split_directories): Only special-case DOS file names if
9644 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9645 instead of explicit tests. Conditionalize on !VMS.
9646 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9647 tests. Conditionalize on !VMS.
9648 (process_command): Only use make_relative_prefix if !VMS.
9649 (free_split_directories): Conditionalize on !VMS.
9650 (DIR_UP): Conditionalize on !VMS.
9652 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9654 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9656 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9658 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9661 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9663 * invoke.texi (Environment Variables): Document relative path
9665 * gcc.c (DIR_UP): If not defined, define as "..".
9666 (standard_bindir_prefix): New static, holds target location to
9668 (split_directories): New function to split a filename into
9669 component directories.
9670 (free_split_directories): New function, release memory allocated
9671 by split_directories.
9672 (make_relative_prefix): New function, make a relative pathname if
9673 the compiler is not in the expected location.
9674 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9675 can figure out an appropriate prefix from argv[0].
9676 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9677 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9678 STANDARD_BINDIR_PREFIX.
9680 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9682 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9684 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9685 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9686 c4x_secondary_memory_needed) Delete.
9687 (fp_zero_operand): Add mode argument.
9689 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9691 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9692 that is in reload_reg_used.
9694 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9696 * config/arm/arm-protos.h: New file: Prototypes for functions
9697 defined in arm.c and pe.c.
9698 * config/arm/arm.h: Fix compile time warnings.
9699 * config/arm/arm.c: Fix compile time warnings.
9700 * config/arm/pe.h: Fix compile time warnings.
9701 * config/arm/aout.h: Fix compile time warnings.
9703 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9705 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9708 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9709 Add support for subtargets.
9710 Add prototypes for new predicates.
9711 Add scheduling macros.
9713 * config/m32r/m32r.c: Fix compile time warnings.
9714 (int8_operand): New predicate function.
9715 (reg_or_cmp_int16_operand): New predicate function.
9716 (extend_operand): New predicate function.
9717 (m32r_adjust_code): New scheduling function.
9718 (m32r_adjust_priorty): New scheduling function.
9719 (m32r_sched_init): New scheduling function.
9720 (m32r_sched_reorder): New scheduling function.
9721 (m32r_sched_variable_issue): New scheduling function.
9722 (direct_return): New codegen function.
9723 (m32r_not_same_reg): New rtl testsing function.
9725 * config/m32r/m32r.md: Fix compile time warnings.
9726 Add support for pre decrement and post increment memory
9731 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9733 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9734 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9735 (find_reg): Likewise.
9737 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9739 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9740 to avoid assembler errors.
9742 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9744 * config/v850/v850-protos.h: New file: Prototypes for functions
9746 * config/v850/v850.h: Move prototypes to v850-protos.h
9747 * config/v850/v850.c: Move prototypes to v850-protos.h
9748 * config/v850/v850.md: Fix compile time warnings.
9750 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9752 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9753 * config/fr30/fr30.c: Fix compile time warnings.
9754 * config/fr30/fr30.md: Fix compile time warnings.
9756 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9758 * tree.h (get_containing_scope): Declare it.
9759 * tree.c (get_containing_scope): New fucntion.
9760 (decl_function_context): Use it.
9761 * toplev.c (rest_of_compilation): Use get_containing_scope.
9763 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9765 * Makefile.in (rtl.o): Depend on toplev.h.
9767 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9769 * cse.c (delete_trivially_dead_insns): Replace alloca with
9771 * except.c (update_rethrow_references): Likewise.
9772 (init_eh_nesting_info): Likewise.
9773 * function.c (identify_blocks): Likewise.
9774 * gcse.c (dump_hash_table): Likewise.
9775 * graph.c (print_rtl_graph_with_bb): Likewise.
9776 * loop.c (combine_movables): Likewise.
9777 (move_movables): Likewise.
9778 (count_loop_regs_set): Likewise.
9779 (strength_reduce): Likewise.
9780 * profile.c (compute_branch_probabilities): New function, split
9782 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9783 * regclass.c (regclass): Likewise.
9784 * regmove.c (regmove_optimize): Likewise.
9785 * toplev.c (compile_file): Likewise.
9786 (main): Don't mess with the stack rlimit.
9788 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9790 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9791 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9793 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9795 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9797 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9799 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9800 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9803 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9805 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9807 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9809 * gcse.c (post_dominators): Kill.
9810 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9811 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9812 pass in a pdom array since we do not need pdoms.
9813 * haifa-sched.c (schedule_insns): Similarly.
9814 * flow.c (compute_dominators): Remove dead function.
9815 (compute_flow_dominators): Do not compute doms or pdoms if the
9816 caller does not request them. Split up loop to build doms and
9817 pdoms. Use a worklist to compute doms and pdoms.
9818 * basic-block.h (compute_dominators): Remove prototype.
9820 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9822 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9823 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9824 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9825 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9826 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9827 (schedule_region): Remove unused variable.
9828 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9830 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9832 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9833 (update_equiv_regs): Likewise.
9834 (block_alloc): Likewise.
9835 * reg-stack.c (reg_to_stack): Likewise.
9836 (convert_regs_2): Likewise.
9837 * reload1.c (reload_as_needed): Likewise.
9839 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9841 * Makefile.in (dbxout.o): Depend on ggc.h.
9842 (dwarf2out.o): Likewise.
9843 (xcoffout.o): Likewise.
9844 * dbxout.c: Include ggc.h.
9845 (dbxout_init): Register lastfile as a root.
9846 * dwarf2out.c: Include ggc.h.
9847 (dwarf2out_line): Register lastfile as a root.
9848 * xcoffout.c: Include ggc.h.
9849 (xcoffout_source_line): Register xcoff_lastfile as a root.
9851 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9853 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9855 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9857 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9859 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9861 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9863 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9864 (EXECUTE_IF_CONFLICT): Likewise.
9865 (ALLOCNO_LIVE_P): Avoid signed division.
9866 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9867 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9868 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9870 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9872 * haifa-sched.c (schedule_block): Don't crash if there's no
9873 next insn for an interblock movement.
9874 (add_branch_dependences): Don't allow clobber insns to move either.
9876 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9878 * i386.c (split_xf): New.
9879 * i386-protos.h: Declare it.
9880 * i386.md (movxf_1): Add general regs alternatives.
9881 (movxf_1+1): New splitter for same.
9883 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9885 * function.c (purge_addressof_1): Add missing return values.
9887 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9889 * function.c (is_addressof): New function. Returns true if
9890 the given piece of RTL is an ADDRESSOF.
9891 (purge_addressof_1): Make boolean. Return false if the
9892 ADDRESSOFs could not be purged.
9893 (purge_addressof): If ADDRESSOFs could not be purged from the
9894 notes attached to an insn, remove the offending note(s),
9895 unless they are attached to a libcall.
9897 1999-11-05 Andreas Jaeger <aj@suse.de>
9899 * genoutput.c (null_operand =): Initialize all fields.
9901 * errors.h: Add extern to prototypes.
9903 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9905 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9906 * configure: Rebuilt.
9908 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9910 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9911 (mirror_conflicts): New function.
9912 (global_alloc): Call it.
9913 (expand_preferences): Remove redundant CONFLICTP test.
9914 (find_reg, dump_conflicts): Likewise.
9915 (prune_preferences): Process conflicts one word at a time.
9917 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9919 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9920 instead of an explicit loop.
9922 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9924 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9925 if REG_RETVAL check succeeds, then put classp in src_elt.
9927 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9929 * function.c (pad_to_arg_alignment): Only update argument_pad
9930 if the argument's alignment is greater than STACK_BOUNDARY.
9932 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9934 * bitmap.h (BITMAP_XFREE): New.
9935 * flow.c (life_analysis): Use it.
9936 (life_analysis_1): Free blocks.
9938 * combine.c (undo_commit): New.
9939 (try_combine): Use it. Don't zap undobuf.undos.
9940 (combine_instructions): Don't zap undobuf.undos; free the
9943 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9945 * stmt.c (cost_table_): New.
9946 (estimate_case_costs): Use it instead of xmalloc.
9948 * toplev.c (compile_file): Reuse dumpname memory instead
9951 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9953 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9954 after verifying an EH edge.
9956 * haifa-sched.c (init_rgn_data_dependences): Correctly
9957 size bb_pending_lists_length when zeroing.
9959 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9961 * function.c (diddle_return_value): New.
9962 (expand_function_end): Use it.
9963 * stmt.c (expand_null_return): Likewise.
9964 (expand_value_return): Likewise.
9966 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9968 * reload1.c (reload): Don't remove return value clobbers.
9970 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9972 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9974 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9976 * cse.c (cse_main): Use xmalloc, not alloca.
9977 (cse_basic_block): Likewise.
9978 * local-alloc.c (local_alloc): Likewise.
9980 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9981 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9983 * rtl.c: Include toplev.h.
9984 (fatal): Remove declaration.
9986 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9988 * haifa-sched.c (schedule_block): Fix thinko.
9990 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9992 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9993 S_IR* defined values
9995 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9997 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9998 call `malloc' instead.
10000 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
10002 * flags.h (flag_renumber_insns): Declare.
10003 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
10005 * rtl.h (renumber_insns): Change prototype.
10006 * toplev.c (flag_renumber_insns): Define.
10007 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
10009 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
10011 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
10012 and fpsqrtd. Use them and create fdiv function unit to more
10013 accurately represent fpu sqrt pipeline semantics on UltraSparc.
10014 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
10016 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
10018 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
10020 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
10021 insn into ready list, do not use just a raw swap.
10023 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
10025 * rtl.h (renumber_insns): New function.
10026 (remove_unnecessary_notes): Likewise.
10027 * emit-rtl.c (renumber_insns): Define.
10028 (remove_unncessary_notes): Likewise.
10029 * toplev.c (rest_of_compilation): Remove dead code.
10030 Use renumber_insns and remove_unncessary_notes.
10032 * gcse.c (struct null_pointer_info): New type.
10033 (get_bitmap_width): New function.
10034 (current_block): Remove.
10035 (nonnull_local): Likewise.
10036 (nonnull_killed): Likewise.
10037 (invalidate_nonnull_info): Take a null_pointer_info as input.
10038 (delete_null_pointer_checks_1): New function.
10039 (delete_null_pointer_checks): Use it.
10041 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
10042 (split_edges): Likewise.
10043 (schedule_block): Likewise.
10044 (compute_block_backward_dependencies): Likewise.
10045 (schedule_region): Likewise.
10046 (schedule_insns): Likewise.
10048 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
10050 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
10051 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
10052 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
10053 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
10054 * jump.c (delete_unreferenced_labels): Don't delete if
10055 LABEL_ALTERNATE_NAME is set.
10056 * print-rtl.c (print_rtx): Dump alternate name.
10057 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
10058 * rtl.h (LABEL_ALTERNATE_NAME): Define.
10059 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
10060 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
10062 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10064 * fix-header.c (recognized_extern, recognized_function): Constify
10067 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
10068 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
10069 (compute_available): Remove unused variable `last'.
10070 (compute_nearerout): Remove unused variable `temp_bitmap'.
10071 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
10072 Remove unused variable `x'.
10074 * scan.h (recognized_function, recognized_extern): Constify a
10077 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
10079 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10081 * varasm.c (decode_rtx_const): Use XSTR to access the string
10084 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
10086 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
10088 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10090 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
10092 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
10094 * pa.c (ireg_operand): New function.
10095 * pa.h (PREDICATE_CODES): Handle ireg_operand.
10096 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
10097 Fix out of date comment.
10099 * pa.md (negdi2): Turn into expander + anonymous pattern.
10101 * reload.c (find_reloads): Fix typos in recent change.
10103 * dwarf2out.c: Do not include ctype.h.
10105 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10107 * regclass.c (record_reg_classes): Always use may_move_cost when
10108 seeing how operand fits with various register classes.
10110 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
10112 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
10113 * toplev.c: Revert Nov 1 13:22 change.
10115 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
10117 * config/pa/pa.md (height reduction patterns): Add checks for
10118 overlapping operands to avoid semantic-destroying splits for
10119 height reduction patterns.
10121 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10123 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
10124 have been an hyphen, fixed.
10125 * configure: Rebuilt.
10127 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
10129 * config/arm/tpe.h: Add prototypes for exported functions.
10130 * config/arm/pe.c: Fix compile time warnings.
10131 * config/arm/semi.h: Fix compile time warnings.
10132 * config/arm/arm.c: Fix compile time warnings.
10133 * config/arm/arm.h: Fix compile time warnings.
10134 * config/arm/arm.md: Fix compile time warnings.
10135 * config/arm/thumb.c: Fix compile time warnings.
10136 * config/arm/thumb.h: Fix compile time warnings.
10137 * config/arm/thumb.md: Fix compile time warnings.
10139 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
10141 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
10144 * unroll.c (unroll_loop): Remove LOOP notes when loop is
10145 completely unrolled.
10147 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10149 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
10151 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
10153 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
10154 * rtl.h (rtx_equal_p): Move prototype.
10155 * rtl.c (rtx_equal_function_value_matters): Move from
10157 (rtx_equal_p): Likewise.
10158 * rtlanal.c (rtx_equal_function_value_matters): Delete.
10159 (rtx_equal_p): Likewise.
10161 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10163 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
10164 ! HAS_INIT_SECTION.
10166 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
10168 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
10170 * pa.h (ADDR_VEC_ALIGN): Define.
10172 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
10173 notes when presented with "if (foo) break; end_of_loop" and
10174 the break sequence gets moved out of the loop.
10176 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
10177 Remove explicit zero initializations of entries within MAP.
10179 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
10181 * reg-stack.c (convert_regs_1): Handle EH edges specially.
10183 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
10185 * bitmap.h (BITMAP_XMALLOC): New macro.
10186 * flow.c (CLEAN_ALLOCA): Remove.
10187 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
10188 (life_analysis): Likewise.
10189 (update_life_info): Don't use CLEAN_ALLOCA.
10190 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
10191 (calculate_global_regs_live): Likewise.
10192 (print_rtl_with_bb): Likewise.
10193 (verify_flow_info): Likewise.
10194 * global.c (global_alloc): Likewise.
10195 (global_conflicts): Likewise.
10196 * integrate.c (save_for_inline_nocopy): Likewise.
10197 (expand_inline_function): Likewise.
10198 * jump.c (jump_optimize_1): Likewise.
10199 (duplicate_loop_exit_test): Likewise.
10200 (thread_jumps): Likewise.
10201 * loop.c (loop_optimize): Likewise.
10202 (combine_givs): Likewise.
10203 (recombine_givs): Likewise.
10204 * reorg.c (dbr_schedule): Likewise.
10205 * unroll.c (unroll_loop): Likewise.
10207 * combine.c (combine_instructions): Use xmalloc instead of alloca.
10209 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
10211 * toplev.c (rest_of_compilation): Don't optimize the CFG
10212 when rebuilding, just before dbr.
10214 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10216 * output.h (assemble_end_function, assemble_destructor,
10217 assemble_constructor, assemble_gc_entry, assemble_global,
10218 assemble_label, output_constant_pool) Constify a char*.
10220 * varasm.c (assemble_destructor, assemble_constructor,
10221 assemble_gc_entry, assemble_end_function, assemble_global,
10222 assemble_label, output_constant_pool): Likewise.
10224 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
10226 * config/arm/thumb.c (thumb_expand_prologue): Add comments
10227 explaining what is goin on in this function.
10229 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10231 * regclass.c (record_reg_classes): In matching case, recompute
10232 costs since the direction of movement is different.
10234 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10236 * resource.c (mark_target_live_regs): For unconditional branches,
10237 the resources found at the branch target should be added to the
10238 resources found so far, not intersected.
10240 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
10242 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
10244 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
10245 (sys/mman.h): Include this file only if #HAVE_MMAP.
10246 (run_compiles): Initialize `esac_fmt' with one old KR string, not
10247 with automatically concatenated ANSI strings.
10249 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
10251 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
10252 (DIV_ROUND_UP): Robustify.
10253 (ggc_recalculate_in_use_p): New function.
10254 (release_pages): Don't inline it.
10255 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
10257 (ggc_pop_context): Use ggc_recalculate_in_use_p.
10258 (clear_marks): Always save in_use_p.
10259 (sweep_pages): Use ggc_recalculate_in_use_p.
10260 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
10261 Release pages before counting statistics.
10263 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
10265 * toplev.c (rest_of_compilation): Fix thinko in this change:
10267 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10269 (rest_of_compilation): If inside an inlined external function,
10270 pretend we are just being declared.
10272 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
10274 * flow.c (calculate_global_regs_live): Fix thinko.
10276 * integrate.c (expand_inline_function): Fix bugs in previous
10277 change from Oct 28, 1999.
10279 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
10281 * stmt.c (expand_value_return): Fix typo in this change:
10283 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10284 (expand_value_return): Correctly convert VAL when promoting function
10285 return; support RETURN_REG being a PARALLEL.
10287 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
10289 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
10291 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10293 * hard-reg-set.h (reg_names): Constify a char*.
10295 * regclass.c (reg_names): Likewise.
10297 * regs.h (reg_names): Likewise
10299 * a29k/a29k.c (reg_names): Delete declaration.
10301 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
10303 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
10304 arc_output_function_epilogue): Likewise.
10306 * elxsi/elxsi.c (reg_names): Likewise.
10308 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
10310 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
10313 * m88k/m88k.c (output_function_profiler): Likewise.
10315 * sparc/sparc.c (sparc_flat_output_function_prologue,
10316 sparc_flat_output_function_epilogue): Likewise.
10318 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
10320 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
10321 warning from -Wuninitialized and put it under -W.
10322 * function.c (uninitialized_vars_warning): Warn only when the
10323 corresponding flag is set.
10325 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
10327 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
10328 is nonzero and the single set does not have an elt, then assign
10331 * simplify-rtx.c: New file.
10332 * Makefile.in (OBJS): Add simplify-rtx.o
10333 (simplify-rtx.o): Add dependencies.
10334 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
10335 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
10336 (cse_gen_binary, simplify_unary_operation): Delete.
10337 (simplify_binary_operation, simplify_plus_minus): Likewise.
10338 (check_fold_consts, simplify_relation_operation): Likewise.
10339 (simplify_ternary_operation): Likewise.
10340 (delete_trivially_dead_insns): Simplify the contents of the
10341 REG_EQUAL note before trying to substitute it into the source
10342 of the reg-reg copy at the end of a libcall sequence.
10344 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
10345 references/callers changed.
10347 * mn10200.c (mn10200_va_arg): Force the return value into a
10350 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
10352 * cccp.c (macroexpand): Avoid out of range accesses for omitted
10355 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
10357 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
10359 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
10361 * fold-const.c (fold): Fix thinko when optimizing comparisons
10364 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
10366 * gcc.texi (Passes): Update front-end files to their current
10369 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
10371 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
10372 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
10373 (PREDICATE_CODES): Add addition_operation.
10374 * alpha-protos.h (addition_operation): Declare.
10375 (secondary_reload_class): Likewise.
10376 * alpha.c (addition_operation): New.
10377 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
10378 * alpha.md (adddi3): Turn into expander.
10379 (*lda, *adddi_2): New.
10380 (movsf, movdf patterns): Don't preference integer regs.
10381 (movsi, movdi patterns): Don't preference fp regs.
10383 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
10385 * genrecog.c (write_switch): Check for duplicate CODE cases.
10387 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
10389 * ggc-common.c: Update pre-function commentary.
10390 * ggc-page.c: Likewise.
10392 (poison_pages): Use memset directly.
10393 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
10394 (ggc_collect): Poison before sweeping.
10395 * ggc-simple.c: Update pre-function commentary.
10396 (ggc_alloc_obj): Poison non-zeroed memory.
10398 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
10400 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
10401 match format string, even on 64-bit hosts.
10402 * gcc-page.c (ggc_page_print_statistics): Likewise.
10404 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
10406 * config/i386/i386.c (ix86_cpu): Revert last patch.
10407 * config/i386/i386.h (ix86_cpu): Ditto.
10409 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
10411 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
10412 TYPE_SIZE, convert type of result to sizetype.
10414 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
10416 * flow.c (count_or_remove_death_notes): Equate NULL with the
10419 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
10420 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
10423 * i386.c (pic_label_no): Delete.
10424 (ix86_attr_length_default): Don't use single_set to peek
10427 * recog.c (peephole2_optimize): Allow recog_next_insn to index
10428 the first insn after bb->end.
10429 * i386.md (push mem peeps): Scratch is live after evaluation
10431 (cmp mem peep): Similarly.
10433 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
10435 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
10436 * function.c (pad_to_arg_alignment): Add missing braces.
10438 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10440 * alpha/alpha-protos.h (literal_section): Add prototype.
10441 (alpha_need_linkage, alpha_start_function,alpha_end_function):
10444 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
10446 (alpha_start_function, alpha_end_function, float_strings,
10447 alpha_need_linkage): Constify a char*
10449 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
10451 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
10453 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10455 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10457 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10459 * flow.c (debug_flow_info): Add prototype.
10461 * gcc.c (main): Likewise.
10463 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
10466 * reload1.c (failed_reload, set_reload_reg): Likewise.
10468 * mips-tfile.c (main): Likewise.
10469 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
10470 with ATTRIBUTE_NORETURN.
10472 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
10474 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
10475 DECL is not a memory ref.
10477 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
10479 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
10480 * config/i386/i386.c (ix86_cpu): Add extern attribute.
10482 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
10484 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
10485 * config/mips/elf64.h: ditto.
10487 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
10489 * expr.c (emit_push_insn): New argument alignment_pad.
10490 Update all callers. Adjust stack pointer based on alignment pad.
10491 * function.c (pad_to_arg_alignment): New argument alignment_pad.
10492 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
10493 (locate_and_pad_parm): New argument alignment_pad. Update all
10495 * expr.h (emit_push_insn): Update prototype.
10496 (locate_and_pad_parm): Update prototype.
10497 * calls.c (arg_data): Add new field alignment_pad.
10498 (initialize_argument_information): Initialize alignment_pad.
10500 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
10502 * except.c (free_eh_nesting_info): Free the info itself.
10503 * function.c (free_after_compilation): Don't free NULL.
10504 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
10505 (pre_edge_insert): Free inserted.
10506 * stmt.c (free_stmt_status): Don't free NULL.
10508 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10510 * gcov.c (DIR_SEPARATOR): Provide default.
10511 (output_data): Add test for MS-DOS format absolute filename.
10512 (fancy_abort): Correct program name.
10513 (open_files): Open all files in binary mode.
10514 * libgcc2.c (__bb_exit_func): Likewise.
10516 * profile.c (init_branch_prob): Specify binary when opening files.
10518 * flags.h (flag_unwind_tables): New decl.
10519 * toplev.c (flag_unwind_table): New definition.
10520 (f_options): Add -funwind-tables.
10521 (decode_g_option): Clarify warning when unknown -g option is given.
10522 (rest_of_compilation): If inside an inlined external function,
10523 pretend we are just being declared.
10525 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
10526 (dwarf2out_frame_finish): Likewise.
10528 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
10530 * fold-const.c (merge_ranges): If not in0, but in1, handle
10531 upper bounds equal like subset case.
10533 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
10535 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
10536 passed in a register but moved to the stack.
10538 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10540 * gcc.c (pass_exit_codes, greatest_status): New variables.
10541 (struct option_map): Add entry for "--pass-exit-codes".
10542 (execute): Update greatest_status if error.
10543 (display_help): Add documentation for -pass-exit-codes.
10544 (process_command): Handle -pass-exit-codes.
10545 (main): Look at pass_exit_codes and greatest_status on call to exit.
10547 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10549 * reload.c (find_reloads): Refine test for no input reload
10550 case to not includes reloads emitted after insn.
10552 * function.c (find_temp_slots_from_address): Handle sum involving
10553 a register that points to a temp slot.
10554 (update_temp_slot_address): Make recursive call if both old and
10555 new are PLUS with a common operand.
10556 * calls.c (expand_call): Mark temp slot for result as having
10559 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10561 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10562 component as well as "BINUTILS".
10564 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10565 * integrate.c (copy_rtx_and_substitute): Likewise.
10566 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10567 All callers changed.
10568 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10570 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10571 gdb extensions, write size of type; also be more consistent
10572 in using references when this is a subtype.
10574 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10575 that is out of range.
10577 * loop.c (unknown_constant_address_altered): New variable.
10578 (prescan_loop): Initialize it.
10579 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10580 (invariant_p, case MEM): Remove handling for volatile and readonly;
10581 check new variable if readonly.
10582 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10584 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10585 (addr_affects_sp_p): Removed from note_mem_written and only
10586 define #ifdef AUTO_INC_DEC.
10588 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10590 * regclass.c (record_reg_classes): Properly handle register move
10593 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10594 Don't think valid if both operands are invalid.
10595 (struct constant_descriptor): New field RTL.
10596 (mark_const_hash_entry): Mark it.
10597 (record_constant{,_rtx}): Initialize it.
10598 (output_constant_def): Allocate RTL in permanent obstack and
10600 ({record,compare}_constant_1): Modes must match for
10601 CONSTRUCTOR of ARRAY_TYPE.
10603 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10604 * output.h (initializer_constant_valid_p): Move decl to here.
10605 * c-common.c (initializer_constant_valid_p): Delete function from here.
10606 * varasm.c (initializer_constant_valid_p): Move function to here.
10608 * tree.h (STRIP_SIGN_NOPS): New macro.
10609 * fold-const.c (optimize_minmax_comparison): New function.
10610 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10611 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10612 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10613 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10614 widening conversions.
10615 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10616 to look at size of mode, not precision of type; also add missing cases.
10617 (optimize_bit_field_compare, decode_field_reference): Don't try to
10618 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10620 * dwarf2out.c (ctype.h): Include.
10621 (dwarf2out_set_demangle_name_func): New function.
10622 (size_of_line_info): Deleted.
10623 (output_line_info): Compute size of line info table from difference
10625 (base_type_die, add_name_attribute): Call demangle function, if any.
10626 (field_byte_offset): Use bits per word for variable length fields.
10627 (gen_array_type_die): Add array name.
10628 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10629 (dwarf2out_add_library_unit_info): New function.
10631 * explow.c (set_stack_check_libfunc): New function.
10632 (stack_check_libfunc): New static variable.
10633 (probe_stack_range): Allow front-end to set up a libfunc to call.
10635 * combine.c (simplify_comparison): When making comparison in wider
10636 mode, check for having commuted an AND and a SUBREG.
10637 (contains_muldiv): New function.
10638 (try_combine): Call it when dividing a PARALLEL.
10639 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10640 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10642 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10643 use one of the CLOBBERs instead.
10644 (if_then_else_cond): If comparing against zero, just return thing
10647 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10648 Don't generate shifts and subtract if have conditional arithmetic.
10650 * rtl.h (delete_barrier): New declaration.
10651 * jump.c (jump_optimize): Set up to handle conditional call.
10652 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10653 (delete_barrier): New function.
10655 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10657 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10659 * tree.c (build_type_attribute_variant): Push to obstack of
10660 ttype around type_hash_canon call.
10662 * expr.c (placeholder_list): Move decl to file scope.
10663 (expand_expr): Don't force access to volatile just because its
10665 If ignoring reference operations, just expand the operands.
10666 (expand_expr, case COMPONENT_REF): Propagate
10667 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10668 Refine test for using bitfield operations vs pointer punning.
10669 (expand_expr, case CONVERT_EXPR): If converting to
10670 BLKmode UNION_TYPE from BLKmode, just return inner object.
10671 Use proper mode in store_field call.
10672 Properly set sizes of object to store and total size in store_field
10673 call for convert to union.
10674 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10675 memory (like for ADDR_EXPR). Also, don't put constant in register if
10676 we'll want it in memory.
10677 (readonly_fields_p): New function.
10678 (expand_expr, case INDIRECT_REF): Call it if LHS.
10679 (expand_assignment): Handle a RESULT_DECL where
10680 DECL_RTL is a PARALLEL.
10681 (do_jump, case WITH_RECORD_EXPR): New case.
10682 (get_inner_reference): Always go inside a CONVERT_EXPR
10683 and NOP_EXPR if both modes are the same.
10684 (store_field): Use bitfield operations if size of bitsize is not same
10685 as size of RHS's type.
10686 Check for bitpos not a multiple of alignment in BLKmode case.
10687 Do block move in largest possible alignment.
10688 (store_constructor): Set BITSIZE to -1 for variable size and properly
10689 in case of array of BLKmode.
10690 (expand_expr_unaligned): New function.
10691 (do_compare_and_jump): Call it.
10693 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10694 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10695 does not include 'o'.
10697 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10698 both SET_DEST and SET_SRC reference a virtual register.
10699 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10701 * integrate.c (expand_inline_function): Handle case of setting
10702 virtual stack vars register (from built in setjmp); when parameter
10703 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10704 (subst_constant): Add new parm, MEMONLY.
10705 (expand_inline_function, integrate_parm_decls): Pass new parm.
10706 (integrate_decl_tree): Likewise.
10707 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10708 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10709 (copy_rtx_and_substitute, case SET): Add explicit calls to
10710 copy_rtx_and_substitute for both sides.
10712 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10714 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10715 within INDEX_TYPE, instead of before.
10716 (fixup_gotos): Use f->target_rtl, not the next insn,
10717 since latter may be from a later fixup.
10718 (expand_value_return): Correctly convert VAL when promoting function
10719 return; support RETURN_REG being a PARALLEL.
10720 (expand_return): When checking for result in regs and having
10721 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10723 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10725 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10726 last_nominal_fname): Mark const.
10727 (struct include_hash: name, nshort, control_macro): Mark
10729 (struct macrodef: symnam): Mark const.
10730 (struct if_stack: fname): Mark const.
10731 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10732 (IStable): New character-syntax array which encompasses all
10733 the old is_foo arrays.
10734 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10735 is_space): New macros for interrogating IStable.
10736 (check_macro_name): Kill last argument. All callers changed.
10738 * cppinit.c (initialize_char_syntax): Delete.
10739 (is_idchar, is_idstart, is_hor_space, is_space,
10740 trigraph_table): Delete.
10741 (IStable): New. Initialize with clever macros to avoid
10742 information duplication.
10743 (builtin_array): Table of builtins to get rid of explicit list
10744 in initialize_builtins.
10745 (initialize_builtins): Use builtins_array.
10746 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10747 opts->dollars_in_ident.
10749 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10751 (cpp_parse_expr): Avoid 'format string is not constant'
10752 warning. Use ISGRAPH to identify printable chars.
10753 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10755 (read_and_prescan): Map trigraphs to chars with open-coded
10756 if-else-if-... sequence, not a lookup table.
10757 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10759 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10760 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10761 (check_macro_name): Remove ability to report an invalid
10762 assertion name, which is never used.
10763 (do_line): Constify a couple of char *'s.
10764 * cppmain.c (main): Call cpp_cleanup before returning.
10766 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10768 * ggc.h (struct ggc_statistics): New type.
10769 (ggc_get_size): New function.
10770 (ggc_print_statistics): Likewise.
10771 * ggc-common.c (ggc_stats): New variable.
10772 (ggc_mark_rtx_children): Keep statistics.
10773 (ggc_mark_tree_children): Likewise.
10774 (ggc_print_statistics): New function.
10775 * ggc-page.c (struct globals): Add bytes_mapped field.
10776 (alloc_anon): Update it.
10777 (release_pages): Likewise.
10778 (ggc_get_size): New function.
10779 (ggc_page_print_statistics): New function.
10780 * ggc-simple.c (ggc_get_size): New function.
10782 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10784 * flow.c (propagate_block): When the last reference to a label
10785 before an ADDR_VEC is deleted because the reference is a dead
10786 store, delete the ADDR_VEC.
10788 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10790 * resource.c (find_free_register): Don't use the frame pointer
10791 if frame_pointer_needed.
10793 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10795 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10796 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10798 * config/i960/i960.c (i960_va_start): New locals base, num.
10799 Use INDIRECT_REF instead of ARRAY_REF on valist.
10800 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10802 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10804 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10806 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10808 * tree.def (PLACEHOLDER_EXPR): Update comments.
10810 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10812 * c-common.c (check_format_info): Avoid non-literal format string
10813 warnings when `first_arg_num' is zero.
10815 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10817 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10819 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10821 * arm.md (casesi_insn): Add a clobber of the condition code
10824 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10826 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10827 used by both cc1 and cc1plus.
10829 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10831 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10832 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10833 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10834 to the value 32 if it has not already been defined.
10835 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10836 Override definition in arm.h with a value of 8.
10838 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10840 * c-pragma.c (push_alignment): Don't check the return value
10843 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10845 * sparc.h (ADJUST_COST): Fix thinko.
10847 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10849 * cccp.c (rescan): Fixed obp pointer handling around call to
10850 check_expand subroutine.
10852 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10854 * gcse.c (delete_null_pointer_checks): Only record non-null info
10855 for pseudos when examining stores.
10857 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10858 splitters for these patterns. Use "#" for output templates.
10859 (addsi3_carryin_shift): New pattern.
10861 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10863 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10864 of the function return register into a plain REG until
10865 after function inlining is done.
10867 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10869 * jump.c (jump_optimize_1): If we did cross-jumping, and
10870 the data will matter, rebuild the CFG.
10871 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10872 not optimizing. Don't run shorten_branches.
10873 * toplev.c (rest_of_compilation): Run shorten_branches after
10876 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10878 * rtl.h (note_stores): Add additional paramter.
10879 * rtlanal.c (reg_set_p_1): Take additional paramter.
10880 (reg_set_last_1): Likewise.
10881 (reg_set_p): Adjust call to note_stores.
10882 (reg_set_last): Likewise.
10883 (note_stores): Pass data parameter to worker function.
10884 * alias.c (record_set): Take additional parameter.
10885 (init_alias_analysis): Pass it.
10886 * caller-save.c (mark_set_regs): Take additional parameter.
10887 (save_call_clobbered_regs): Pass NULL to note_stores.
10888 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10890 (record_dead_and_set_regs_1): Likewise.
10891 (reg_dead_at_p_1): Likewise.
10892 (combine_instructions): Adjust calls to note_stores.
10893 (try_combine): Likewise.
10894 (record_dead_insn): Remove.
10895 (record_dead_and_set_regs): Adjust calls to note_stores.
10896 (reg_dead_at_p): Likewise.
10897 * cse.c (invalidate_skipped_set): Take additional parameter.
10898 (cse_check_loop_start): Likewise.
10899 (cse_check_loop_start_value): Remove.
10900 (cse_set_around_loop): Adjust calls to note_stores.
10901 * flow.c (notice_stack_pointer_modification): Take additional
10902 parameter. Remove duplicate declaration.
10903 (record_volatile_insns): Adjust calls to note_stores.
10904 * gcse.c (record_set_info): Take additional parameter.
10905 (record_last_set_info): Likewise.
10906 (invalidate_nonnull_info): Likewise.
10907 (record_set_insn): Remove.
10908 (compute_sets): Adjust calls to note_stores.
10909 (last_set_insn): Remove.
10910 (compute_hash_table): Adjust calls to note_stores.
10911 (insert_insn_end_bb): Likewise.
10912 (delete_null_pointer_checks): Likewise.
10913 * global.c (mark_reg_store): Take additional parameter.
10914 (mark_reg_clobber): Likewise.
10915 (reg_becomes_live): Likewise.
10916 (global_conflicts): Adjust calls to note_stores.
10917 (build_insn_chain): Likewise.
10918 * integrate.c (note_modified_parmregs): Take additional parameter.
10919 (mark_stores): Likewise. Make it static.
10920 (save_for_inline_nocopy): Adjust calls to note_stores.
10921 (try_constants): Likewise.
10922 * integrate.h (mark_stores): Remove declaration.
10923 * jump.c (mark_modified_reg): Take additional parameter.
10924 (thread_jumps): Adjust calls to note_stores.
10925 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10927 (no_equiv): Likewise.
10928 (reg_is_set): Likewise.
10929 (validate_equiv_mem): Adjust calls to note_stores.
10930 (update_equiv_regs): Likewise.
10931 (block_alloc): Likewise.
10932 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10933 (note_addr_stored): Take additional parameter.
10934 (note_set_pseudo_multiple_uses): Likewise.
10935 (record_initial): Likewise.
10936 (prescan_loop): Adjust calls to note_stores.
10937 (strength_reduce): Likewise.
10938 (check_dbra_loop): Likewise.
10939 * regmove.c (flags_set_1): Take additional paramter.
10940 (mark_flags_life_zones): Adjust calls to note_stores.
10941 * reload1.c (mark_not_eliminable): Take additional parameter.
10942 (forget_old_reloads_1): Likewise.
10943 (reload_cse_invalidate_rtx): Likewise.
10944 (reload_cse_check_clobber): Likewise.
10945 (reload_combine_note_store): Likewise.
10946 (move2add_note_store): Likewise.
10947 (reload): Adjust calls to note_stores.
10948 (reload_as_needed): Likewise.
10949 (emit_reload_insns): Likewise.
10950 (reload_cse_regs_1): Likewise.
10951 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10952 (reload_combine): Adjust calls to note_stores.
10953 * resource.c (update_live_status): Take additional paramter.
10954 (mark_target_live_regs): Adjust calls to note_stores.
10955 * stupid.c (find_clobbered_regs): Take additional parameter.
10956 (stupid_life_analysis): Adjust calls to note_stores.
10958 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10960 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10963 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10966 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10967 of the variable arm_structure_size_boundary.
10969 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10971 * alias.c (init_alias_analysis): Allocate reg_known_value and
10972 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10974 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10975 * cse.c (cse_main): Call end_alias_analysis.
10976 * haifa-sched.c (schedule_insns): Likewise.
10977 * local-alloc. (update_equiv_regs): Likewise.
10978 * reload1.c (reload_cse_regs): Likewise.
10980 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10982 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10983 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10984 mapping from MASK_FPU.
10986 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10988 * sparc.md (call): Don't bound structure return size to 0xfff.
10990 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10992 * resource.c (mark_target_live_regs): Check that the target
10993 insn wasn't created after compute_bb_for_insn.
10995 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10997 * ggc-page.c (poison_pages): Don't be overzealous.
10999 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
11001 * alias.c: Update comments for ADDRESS.
11002 (nonlocal_reference_p): Look inside the ADDRESS to determine if
11003 it is a local memory reference.
11005 * c-typeck.c (build_function_call): Check that the built-in
11006 function is of class BUILT_IN_NORMAL before trying to recongize
11007 it as BUILT_IN_ABS.
11008 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
11009 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
11011 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
11013 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
11015 (pre_gcse): Likewise.
11016 (hoist_expr_reaches_here_p): Likewise.
11017 (hoist_code): Likewise.
11018 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
11020 (pre_expr_reaches_here_p_work): ... here.
11021 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
11023 (expr_reaches_here_p_work): ... here.
11025 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
11027 * resource.c (find_basic_block): Delete.
11028 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
11029 (init_resource_info): Call compute_bb_for_insn.
11031 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
11033 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
11034 with already adjacent blocks, but no fallthru.
11035 (merge_blocks_move_successor_nojumps): Simplify.
11036 (debug_flow_info): New.
11038 * toplev.c (rest_of_compilation): Open jump1 dump file before
11039 jump and close after, as opposed to just using dump_rtl.
11041 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11043 * reload.h (earlyclobber_operand_p): Declare.
11044 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
11045 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11046 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
11047 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
11049 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11050 Richard Henderson <rth@cygnus.com>
11052 * emit-rtl.c (emit_block_insn_before): New.
11053 (emit_block_insn_after): New.
11054 * basic-block.h: Declare them.
11056 * bitmap.h: Protect from multiple inclusion.
11058 * recog.c (scratch_operand): Handle VOIDmode correctly.
11060 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
11062 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
11063 * function.c (assign_parms): Likewise.
11064 * global.c (global_conflicts): Clarify STACK_REGS commentary.
11066 * reg-stack.c (max_uid): Remove.
11067 (blocks, block_begin, block_end, block_drops_in): Remove.
11068 (block_stack_in, block_out_reg_set, block_number): Remove.
11069 (struct block_info_def, BLOCK_INFO): New.
11070 (enum emit_where): New.
11071 (current_block): New.
11072 (BLOCK_NUM): Remove.
11073 (mark_regs_pat, record_label_references): Remove.
11074 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
11076 (goto_block_pat, print_blocks, dump_stack_info): Remove.
11077 (reg_to_stack): Simplified test for existance of fp code. Use
11078 flow.c code. Call shorten_branches after cross-jump opt.
11079 (check_asm_stack_operands): Renamed from record_asm_reg_life.
11080 Return false if the asm doesn't use stack regs. Don't do life
11081 analysis on the asm.
11082 (emit_pop_insn): Replace function pointer arg `when' with
11083 enum `where'. Update all callers.
11084 (change_stack): Likewise. Update basic block end.
11085 (emit_swap_insn): Use current_block->head to limit reverse search
11086 for start of block. Use emit_block_insn_after.
11087 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
11088 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
11089 structure assignment instead of bcopy.
11090 (print_stack): New.
11091 (convert_regs_entry, convert_regs_exit): New.
11092 (convert_regs_1, convert_regs_2): Split out from convert_regs.
11093 Work on basic blocks and the CFG.
11094 (convert_regs): Use them.
11096 * i386.c (output_fix_trunc): Remove code for DImode input operand
11097 not at top-of-stack.
11098 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
11100 (fix_truncdi_1): Allow any mode scratch.
11102 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
11104 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
11105 * linux.h, netbsd.h, vms.h: Not here.
11107 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
11109 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
11110 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
11111 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
11112 CONDITIONAL_REGISTER_USEAGE): Use them.
11113 * config/mips/mips.c (mips_move_1word,mips_move_2words,
11114 gen_conditional_branch,override_options) : Use them.
11115 * config/mips/mips.md : Use them.
11117 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
11119 * i386.md (zero_extendqihi2): Use SImode register name with andl.
11121 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
11123 * integrate.c (function_cannot_inline_p): Don't allow inlining
11126 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11128 * c-parse.in (cast_expr): Constify.
11130 * cccp.c (special_symbol): Likewise.
11132 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
11134 * dwarf2out.c (base_type_die): Likewise.
11136 * global.c (allocno_compare): Likewise.
11138 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
11140 * regclass.c (fix_register): Likewise.
11142 * rtl.h (fix_register): Likewise.
11144 * stupid.c (stupid_reg_compare): Likewise.
11146 * toplev.c (decode_f_option): Likewise.
11148 * tree.c (build_complex_type): Likewise.
11150 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
11152 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
11154 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11156 * reload.c (find_reloads): Compute mode and nregs fields of all
11158 * reload1.c (calculate_needs_all_insns): Simplify a bit.
11159 (calculate_needs): Use precomputed mode/nregs values.
11160 (allocate_reload_reg): Likewise.
11162 (failed_reload, set_reload_reg): ... new functions.
11163 (choose_reload_regs_init): New function, mostly broken out from...
11164 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
11165 Also lose one #if 0 block.
11167 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
11169 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
11172 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
11174 * tree.h (BLOCK_TYPE_TAGS): Remove.
11175 (BLOCK_END_NOTE): Likewise.
11176 (BLOCK_LIVE_RANGE_FLAG): Likewise.
11177 (BLOCK_LIVE_RANGE_START): Likewise.
11178 (BLOCK_LIVE_RANGE_END): Likewise.
11179 (tree_block): Remove live_range_flag, live_range_var_flag, and
11180 type_tags. Remove end_note, live_range_start, and live_range_end.
11181 (remember_end_note): Remove prototype.
11182 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
11183 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
11185 * ggc-common.c (ggc_mark_tree_children): Don't mark
11186 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
11187 * integrate.c (adjust_copied_decl_tree): Remove.
11188 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
11189 * stmt.c (last_block_end_note): Remove.
11190 (init_stmt): Don't add a GC root for it.
11191 (expand_fixup): Don't set it.
11192 (remember_end_note): Remove.
11193 (expand_end_bindings): Don't set last_block_end_note.
11195 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11197 * reload1.c (reload_reg_free_for_value_p): Show
11198 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
11201 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
11203 * expmed.c (extract_bit_field): Allow for the case of non-integer
11204 objects that are smaller than a word (like SFmode on a 64-bit
11207 * loop.c (basic_induction_var): A non-integer variable which is
11208 being set by a paradoxical subreg is probably not a biv.
11210 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11212 * prefix.c (translate_name) Check for empty prefix string.
11214 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
11216 * Makefile.in (CPP_CROSS_NAME): New variable.
11217 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
11219 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
11220 names of the files to be uninstalled.
11222 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
11224 * collect2.c (IS_DIR_SEPARATOR): Define.
11225 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
11227 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
11230 * haifa-sched.c (add_dependence): Update the true dependency
11231 cache the first time we add a true dependence to the LOG_LINKS chain.
11233 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
11235 * fold-const.c (fold): Fix comment.
11237 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11239 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
11240 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
11241 dbxout_start_new_source_file, dbxout_source_file,
11242 dbxout_source_line, dbxout_finish, dbxout_type_fields,
11243 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
11245 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
11246 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
11247 (dbxout_block): Initialize variable `blocknum'.
11249 * dbxout.h (dbxout_init, dbxout_finish,
11250 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
11251 dbxout_args, dbxout_source_line): Constify a char*.
11253 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
11254 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
11255 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
11256 low_pc_attribute, high_pc_attribute, body_begin_attribute,
11257 body_end_attribute, comp_dir_attribute, sf_names_attribute,
11258 src_info_attribute, mac_info_attribute, producer_attribute,
11259 lookup_filename, generate_macinfo_entry, fundamental_type_code,
11260 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
11261 dwarfout_undef): Constify a char*.
11262 (add_incomplete_type, retry_incomplete_types): Add prototypes.
11264 * dwarfout.h (dwarfout_define, dwarfout_undef,
11265 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
11267 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
11269 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
11270 (MULTILIB_ISA_DEFAULT): New.
11271 (MULTILIB_DEFAULTS): Use it.
11272 * config/mips/mips.c (): Remove the now unnecessary definition
11273 of MIPS_ISA_DEFAULT.
11274 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
11275 unnecessary definition.
11277 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
11279 * arm.md (pic_load_addr): Add constraints to operand 1.
11281 1999-10-25 Bruce Korb <autogen@linuxbox.com>
11283 * fixinc/genfixes: Provide a means for specifying -D options to
11286 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
11288 * arm.c (arm_override_options): Correct initialization of
11289 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
11290 arm_is_strong, and arm_is_6_or_7.
11292 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
11293 (note_set_pseudo_multiple_uses): New function.
11294 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
11295 if a pseudo set in the loop exit is used elsewhere.
11297 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
11299 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
11301 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
11303 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
11304 a single load-address pattern.
11306 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
11308 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
11309 depending on whether or not line-number notes are present.
11311 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11313 * cccp.c (progname, file_buf, default_include, include_file,
11314 macrodef, definition, hashval, wchar_type, user_label_prefix,
11315 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
11316 expand_to_temp_buffer, is_system_include, base_name,
11317 absolute_filename, read_name_map, open_include_file,
11318 record_control_macro, check_precompiled, check_preconditions,
11319 pcfinclude, pass_thru_directive, create_definition,
11320 check_macro_name, comp_def_part, collect_expansion,
11321 check_assertion, read_token_list, assertion_install,
11322 assertion_lookup, eval_if_expression, conditional_skip,
11323 validate_else, skip_quoted_string, quote_string, macarg1,
11324 error_from_errno, install, lookup, hashf, dump_defn_1,
11325 perror_with_name, pfatal_with_name, main, trigraph_pcp,
11326 check_white_space, rescan, handle_directive, monthnames,
11327 special_symbol, do_include, remap_include_file, write_output,
11328 arglist, do_assert, do_unassert, do_line, do_error, do_once,
11329 do_ident, do_sccs, do_xifdef, skip_if_group,
11330 output_line_directive, macroexpand, macarg, change_newlines,
11331 initialize_builtins, make_definition): Constify a char*.
11333 * pcp.h (stringdef): Likewise.
11335 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
11337 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
11340 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
11341 Richard Henderson <rth@cygnus.com>
11343 * alias.c: Include ggc.h.
11344 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
11345 (record_set): Verify enough room in reg_base_value.
11346 (init_alias_analysis): Allocate reg_base_value with xcalloc.
11347 Register it as a GC root.
11348 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
11349 * Makefile.in (alias.o): Depend on ggc.h.
11351 * unroll.c (unroll_loop): Verify the insn before a barrier
11352 is a JUMP_INSN before checking JUMP_LABEL.
11354 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11356 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
11357 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
11358 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
11359 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
11360 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
11361 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
11363 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11365 * output.h (ctors_section, dtors_section, bss_section): Prototype.
11367 * alpha/alpha-interix.h (text_section): Delete prototype.
11368 * alpha/elf.h (text_section): Likewise.
11369 * arm/linux-elf.h (text_section): Likewise.
11370 * arm/linux-telf.h (text_section): Likewise.
11371 * c4x/c4x.h (text_section): Likewise.
11372 * dsp16xx/dsp16xx.h (bss_section): Likewise.
11373 * elfos.h (text_section): Likewise.
11374 * i386/aix386ng.h (text_section): Likewise.
11375 * i386/i386-interix.h (text_section): Likewise.
11376 * i386/sco5.h (text_section): Likewise.
11377 * i386/svr3gas.h (text_section): Likewise.
11378 * nextstep.h (text_section): Likewise.
11379 * psos.h (text_section): Likewise.
11380 * ptx4.h (text_section): Likewise.
11381 * svr3.h (text_section): Likewise.
11382 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
11384 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11386 * final.c (peephole): Delete prototype.
11388 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
11389 (pre_insert_copies): Remove unused variable `bb'.
11391 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
11394 * output.h (peephole): Add prototype.
11396 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
11398 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
11401 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
11403 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
11404 for inlined declarations.
11406 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
11408 * arm.c (logical_binary_operator): New fucntion.
11409 * arm.h (logical_binary_operator): Declare it.
11410 (PREDICATE_CODES): Handle logical_binary_operator.
11411 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
11412 output constraints. Add appropriate splitters.
11413 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
11414 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
11415 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
11417 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11419 * genoutput.c (struct operand_data): New elt eliminable.
11420 (output_operand_data): Write it.
11421 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
11422 (compare_operands): Take it into account.
11423 * recog.h (struct insn_operand_data): New elt eliminable.
11424 * reload1.c (check_eliminable_occurrences, elimination_effects): New
11426 (old_asm_operands_vec, new_asm_operands_vec): Delete.
11427 (eliminate_regs): Move code that detects changes to elimination
11428 target regs into new function elimination_effects.
11429 Delete one #if 0 block.
11430 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
11431 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
11432 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
11433 Only call eliminate_regs for real operands of the insn, not for parts
11434 of its structure or parts matched by things like match_operator.
11435 Use elimination_effects and check_eliminable_occurrences. Use
11436 copy_insn to duplicate the pattern when not in the final pass.
11438 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
11440 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
11443 1999-10-22 Bruce Korb <autogen@linuxbox.com>
11445 * fixinc/README: document the "mach" machine matching test
11446 * fixinc/fixfixes.c: Implement the #else/#endif label fix
11447 * fixinc/fixtests.c: Implement the #else/#endif label test
11448 * fixinc/inclhack.def: utilize these tests and fixes
11449 * fixinc/inclhack.sh: regen
11450 * fixinc/fixincl.x: regen
11451 * fixinc/fixincl.sh: regen
11453 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
11455 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
11458 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
11460 * gcc.1: Document exit codes.
11462 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11464 * calls.c: Include tm_p.h later, so everything we need is defined.
11465 * expr.c: Likewise.
11466 * function.c: Likewise.
11468 * except.c: Include tm_p.h.
11470 * sparc.c: Likewise.
11471 (dwarf2out_cfi_label): Don't prototype.
11472 (check_return_regs, epilogue_renumber,
11473 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11474 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
11475 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
11476 ultra_schedule_insn): Add static prototype.
11477 (data_segment_operand, text_segment_operand): Call itself with the
11478 proper number of arguments.
11479 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
11481 * sparc.h: Move all declarations to sparc-protos.h.
11482 (SELECT_RTX_SECTION): Pass a missing MODE argument to
11485 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
11487 * config/svr4.h (text_section, ctors_section, dtors_section): Add
11489 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
11490 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11491 ASM_OUTPUT_ASCII): Constify a char*.
11493 * sparc-protos.h: New file for sparc prototypes.
11495 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11497 * function.c (record_insns, contains): Always declare and define.
11498 (record_insns): Mark with ATTRIBUTE_UNUSED.
11500 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11502 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
11503 to .section when outputting a .bss section to deal with multiple
11504 .bss input sections (as happens with -fdata-sections)
11505 Also output %progbits, not @progbits so the assembler doesn't treat as
11507 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
11509 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
11510 thumb parts even when building with non-thumb CPUs, by forcing
11513 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
11515 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
11516 (movdf_const_intreg_sp64): Similarly.
11518 * local-alloc.c (update_equiv_regs): Check the correct insn
11519 for pre-existing REG_EQUIV notes.
11521 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
11523 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
11524 block reached by a branch if we're not going to actually process
11527 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
11529 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
11530 a local extern function declaration.
11532 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
11534 * i386.c (ix86_expand_prologue): Properly wrap USE around
11535 reg for CALL_INSN_FUNCTION_USAGE.
11537 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
11539 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11540 move between GP_REGs.
11542 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11544 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11545 the mode size when finding out if an offset is legal.
11547 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11549 * basic-block.h (PROP_*): Move constants from ...
11550 * flow.c: ... here.
11551 (compute_bb_for_insn): Free the array before reallocating.
11552 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11553 (allocate_reg_life_data): Reset all reg variables collected by
11555 (get_block_head_tail): Don't convert from bb to block.
11556 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11557 (find_insn_reg_weight): Take block not bb.
11558 (schedule_block): Don't set block num for moved insns.
11559 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11560 (schedule_insns): Do it here instead.
11561 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11562 before update_life_info.
11563 * recog.c (split_all_insns, peephole2_optimize): Update for
11564 new arg to update_life_info.
11565 * rtlanal.c (remove_note): Cope with NULL note.
11566 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11569 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11571 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11573 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11574 block records so that merge_blocks_nomove will clean up correctly.
11575 (split_edge): Handle casesi insns.
11577 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11579 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11581 * pa.md (call, call_value): Do not emit a blockage after restoring
11584 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11586 * c-typeck.c (c_expand_asm_operands): Fix typo.
11588 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11590 * arm.c (fpu_rhs_operand): Verify modes.
11591 (fpu_add_operand): Likewise.
11592 (di_operand): Likewise.
11593 (soft_df_operand): Likewise.
11595 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11597 * arm.c (arm_return_in_memory): APCS rules state that the elements
11598 of a structure returned in a register must be 'integer-like'.
11600 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11602 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11603 in the source tree when the generated targets are out of date
11604 * fixinc/genfixes: Alter it to run individual fixes for make.
11605 * fixinc/README: rewrite
11606 * fixinc/inclhack.def: moved initial comments to README
11608 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11610 * toplev.c (main): Do not generate an error message if an
11611 unrecognised command line switch is recognisable by another
11612 language. If extra_warnings are enabled, then generate a
11613 warning message instead.
11615 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11617 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11618 (insert_pack_attributes): Delete prototype.
11620 * c-pragma.c (default_alignment): New static variable.
11621 (push_alignment): Initialize to current effective alignment.
11622 (pop_alignment): Use to set new alignment.
11623 (insert_pack_attributes): Delete function.
11624 (handle_pragma_token): Set default_alignment as well each time
11625 a #pragma pack(<n>) is encountered.
11627 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11629 * reg-stack.c (stack_result): Aggregates are not returned in
11632 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11634 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11636 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11638 * basic-block.h (set_block_num): Declare.
11639 * flow.c (update_life_info): Don't call compute_bb_for_insn
11640 or free_basic_block_vars.
11641 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11642 (insn_orig_block): Remove.
11643 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11644 (schedule_block): Keep BLOCK_NUM up-to-date.
11645 (schedule_insns): Use compute_bb_for_insn.
11646 * recog.c (split_all_insns): Likewise.
11647 (peephole2_optimize): Likewise.
11649 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11651 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11652 if the pic register is used.
11654 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11656 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11657 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11658 if that tests TREE_PERMANENT.
11660 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11662 * cse.c (invalidate_for_call): Do not remove memory references from
11663 the table here. It's handled elsewhere.
11665 * haifa-sched.c (add_dependence): Protect references to the
11666 true dependency cache with #ifdef INSN_SCHEDULING.
11667 (remove_dependence): Similarly.
11669 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11670 to the cfg code that this is a return instruction.
11671 * mn10300.md (return_internal): Similarly.
11673 * combine.c (get_last_value): If the last set of a register
11674 is after subst_low_cuid, then we can not use it to determine
11675 the register's last value.
11677 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11679 * Makefile.in: Back out previous change.
11681 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11683 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11685 * haifa-sched.c (add_dependence): Only check/update the cache
11687 (remove_dependence): Likewise.
11688 (schedule_insns): Only create the true_dependency_cache if the
11689 average number of instructions in a basic block is very large.
11691 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11693 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11694 (ggc-simple.o): Likewise.
11695 (ggc-page.o): Likewise.
11697 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11699 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11700 Prototype for exported functions.
11701 (pre_lcm, pre_rev_lcm): Remove prototypes.
11702 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11703 (compute_available): Move to lcm.c, and change parameter order.
11704 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11705 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11706 (gcse_main): No longer call compute_preds_succs. Rebuild the
11707 set table after reach pre pass.
11708 (pre_insert_map, pre_delete_map, edge_list): New.
11709 (alloc_pre_mem): Allocate edge vectors.
11710 (free_pre_mem): Delete edge vectors.
11711 (compute_pre_data): Call new edge based lcm routines.
11712 (process_insert_insn): New function.
11713 (insert_insn_end_bb): Use it.
11714 (pre_edge_insert): New function.
11715 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11717 (pre_insert_copies): Revamp using new edge based lcm outputs.
11718 (pre_delete): Likewise.
11719 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11721 (compute_code_hoist_vbeinout): New new edge based routines.
11722 * lcm.c: Remove all the old LCM functions. Replace with new ones
11723 that work with the new cfg datastructures and work with edges
11726 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11728 * reload.h (struct reload): Add new fields "mode" and "nregs".
11729 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11730 to reference the "mode" and "nregs" field within struct reload.
11732 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11734 * haifa-sched.c (true_dependency_cache): New.
11735 (add_dependence): Use the true dependency cache to avoid expensive
11736 walks down the LOG_LINKS dependency list. Add entries to the
11737 cache as necessary.
11738 (remove_dependence): Remove entries from the true dependency cache
11740 (schedule_insns): Allocate and initialize and free the true
11743 * haifa-sched.c (schedule_insns): Do not remove inter-block
11744 dependencies anymore.
11746 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11748 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11749 * i386/t-winnt: Likewise.
11751 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11753 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11755 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11757 * Makefile.in (LANGUAGES): Omit "proto".
11758 (clean): Remove stale comment about removing unprotoize.c.
11760 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11762 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11763 using arithmetic on void pointers.
11765 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11767 * haifa-sched.c (compute_block_forward_dependencies): Only check
11768 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11770 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11772 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11773 (expr_equiv_p): Reject memories with different alias sets.
11775 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11777 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11778 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11779 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11780 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11781 (lang_init): Set default for flag_bounds_check if still "unspecified".
11783 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11785 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11787 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11789 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11792 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11794 * config/c4x/c4x.md (*db_noclobber,
11795 *decrement_and_branch_until_zero_noclobber): New patterns and
11796 associated splitters.
11798 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11800 * config/c4x/c4x.md (parallel instruction patterns): Rework
11801 constraints to keep reload happy.
11803 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11805 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11806 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11807 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11808 Add new patterns and associated post-reload splitters.
11810 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11812 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11814 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11816 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11818 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11820 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11822 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11825 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11827 * pa.c (move_operand): Rely on memory_address_p to determine the
11828 validity of non-indexed memory addresses.
11829 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11830 operand in DFmode and SFmode when generating PA2.0 code.
11832 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11834 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11836 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11838 * mips.c (function_prologue): Fix argument types.
11839 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11840 (casesi_internal): Write to the scratch register.
11842 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11844 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11846 (parse_charconst): Delete unnecessary cast when calling
11848 (cpplib.h): Kill prototype of cpp_parse_escape.
11850 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11852 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11853 * unroll.c (unroll_loop): Cast return value of alloca.
11854 * i370/i370.c: Include function.h and toplev.h.
11855 (i370_label_scan): Remove c++ commented abort.
11856 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11857 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11858 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11859 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11861 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11863 * config/t-freebsd: Do not override USER_H.
11864 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11866 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11867 Mumit Khan <khan@xraylith.wisc.edu>
11869 * c-parse.in (component_decl): Support anonymous struct/union.
11871 * c-parse.y: Regenerate.
11872 * c-parse.c: Likewise.
11873 * objc/objc-parse.y: Likewise.
11874 * objc/objc-parse.c: Likewise.
11875 * c-decl.c (finish_struct): Don't sort the fields.
11876 (field_decl_cmp): Delete unused function.
11878 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11880 * sparc.md (movsf_const_intreg): Revert last constraint change.
11881 (movdf_const_intreg_sp32): Likewise.
11883 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11885 * cse.c: Include hashtab.h instead of splay-tree.h
11886 (struct cse_reg_info): No longer use variant union. Add new
11887 field "regno". All references changed to avoid union.
11888 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11889 (free_cse_reg_info): Remove.
11890 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11891 (get_cse_reg_info): Revamp to use expandable hash tables instead
11892 of splay trees. Initialize new fields in cse_reg_info structure.
11893 (new_basic_block): Similarly.
11895 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11897 * genrecog.c (message_with_line): Prototype.
11898 (validate_pattern): Pass along the set for the dest, not a flag.
11899 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11900 Check for PC/CC0 as sources.
11901 (nodes_identical): Check for children position match before
11902 allowing the combination.
11904 * rtl.c (read_rtx): Track line number across \\\n.
11906 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11908 * mips.h (SPECIAL_MODE_PREDICATES): New.
11909 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11910 (movdi+1, movsi+1): Add output reload constraint.
11911 (casesi_internal): Likewise. Fix commentary.
11912 (return_internal): Use pmode_register_operand.
11914 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11916 * 1750a.md (movstrqi): Add missing output reload constraint.
11917 (call_value): Likewise.
11918 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11919 (jmpfdec): Add missing inout reload constraint.
11920 * elxsi.md (addsi patterns): Add missing output reload constraint.
11921 (move from sp): Use @ alternates.
11922 (call_value): No constraint on output.
11923 * fr30.md (movsi_pop): Add missing output reload constraint.
11924 (movsf_constant_store): Likewise.
11925 (splits): Remove constraints.
11926 (subsi3): Add missing mode.
11927 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11928 (call_value): Likewise.
11929 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11930 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11931 * m32r.md (movsicc_internal): Add output reload constraint.
11932 (movstrsi_internal): Add inout reload constraints.
11933 * m88k.h (reg_names): Don't declare.
11934 (SPECIAL_MODE_PREDICATES): New.
11935 * m88k.md (*): Use register_operand not reg_or_0_operand
11937 * mn10200.h (PREDICATE_CODES): New.
11938 * ns32k.md (ffs pattern): Add output reload constraint.
11939 * pdp11.md (sob pattern): Add inout reload constraint.
11940 * sh.md (splits): Remove constraints.
11941 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11942 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11943 * vax.md (jgequ pattern): Add inout reload constraint.
11945 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11947 * configure.in (djgpp): Revert previous patch.
11948 * configure: Rebuit.
11949 * config/i386/djgpp.h: Revert previous patch.
11951 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11953 * fixinc/inclhack.def: Restore patch lost during last merge of
11954 "no_bogosity" branch.
11955 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11957 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11959 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11960 * fixinc/inclhack.def: Same.
11961 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11963 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11965 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11966 as the base of a PLUS.
11968 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11970 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11971 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11973 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11975 * pa.md (post_stw+1): Use pmode_register_operand.
11976 (dcacheflush, icacheflush): Likewise.
11978 * i386.md (movstricthi_1): Allow r/r.
11980 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11982 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11983 to (not (and (arg0) (arg1))). Similary for and.
11985 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11986 fallthrough to associate code.
11987 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11990 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11991 no bits in common; remove XOR to ROTATE conversion.
11993 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11995 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11997 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11999 * config/c4x/c4x.c (dst_operand): New.
12000 (PREDICATE_CODES): Update.
12001 * config/c4x/c4x.h (dst_operand): Declare it.
12002 * config/c4x/c4x.md: Define mode for each unspec usage.
12003 (move patterns): Use dst_operand predicate instead of src_operand.
12004 (movqi_update, movqf_update): Delete.
12006 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
12008 * recog.c (pmode_register_operand): New.
12009 * recog.h: Declare it.
12010 * genrecog.c (pred_codes): Likewise.
12011 (special_mode_pred_table): Likewise.
12012 (validate_pattern): Don't warn no mode for address_operand.
12014 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
12015 if the operand is not insn-like.
12017 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
12018 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
12020 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
12022 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
12024 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
12025 instead of general_operand in a SET_DEST. Use const_double_operand
12026 instead of an explicit test against CONST_DOUBLE.
12027 (movsf_const_lo): Add missing register mode.
12028 (goto_handler_and_restore): Add auxiliary test for Pmode.
12029 (flush): Adjust to use address_operand.
12030 (return_sf_no_fpu): Add missing output constraint.
12032 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
12034 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
12035 for call return value.
12036 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
12038 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
12040 * toplev.c (main): Only warn about options for other languages.
12041 * collect2.c (main): Pass -w to sub-gcc.
12043 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
12045 * flow.c (propagate_block): Add call-clobbered registers to
12048 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
12049 zapping mem_set_list.
12050 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
12051 (mark_set_1, mark_used_regs): Likewise.
12053 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
12055 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
12057 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12059 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
12060 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
12061 options. Also add a new item "C-only Warning Options" to the
12064 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
12066 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
12067 from multiple calls.
12069 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
12071 * i386.md (call value patterns): Move to the end of the file.
12072 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
12074 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
12076 * configure.in (djgpp configuration): Define extra_objects..
12077 * configure: Rebuilt.
12078 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
12079 (DTORS_SECTION_ASM_OP): Define.
12080 (INIT_SECTION_ASM_OP): Define.
12081 (FINI_SECTION_ASM_OP): Define.
12082 (DATA_SECTION_ASM_OP): Define.
12083 (TEXT_SECTION_ASM_OP): Define.
12084 (EH_FRAME_SECTION_ASM_OP): Define.
12085 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
12086 (STARTFILE_SPEC): Add crtbegin.o.
12087 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
12088 to here from LINK_COMMAND_SPEC.
12089 (DO_GLOBAL_CTORS_BODY): Define.
12090 (CRTSTUFF_USE_FINI_SECTION): Define
12091 (HAS_INIT_SECTION): Delete.
12093 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
12095 * Makefile.in (all.cross): Depend on xcpp$(exeext).
12097 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
12099 * pa.h (PREDICATE_CODES): New.
12101 * genrecog.c (validate_pattern): Condense the destination
12102 non-lvalue message.
12104 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
12106 * alpha.md (call-1): Supply missing mode for operator.
12107 (*): Add missing output reload constraints. Remove constraints
12108 from define_splits.
12110 * i386.h (SPECIAL_MODE_PREDICATES): New.
12111 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
12112 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
12113 (addsi_lea_3): Add missing mode for op 3.
12114 (prologue_set_got, prologue_get_pc): Add missing modes.
12115 (*) Add missing output reload constraints.
12117 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
12119 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
12120 check for member bit-size overflow and use var_size if it occurs.
12121 (layout_record): Use bitsize_int() to define the type size in bits.
12122 Likewise for computation and assignment to DECL_FIELD_BITPOS.
12123 (layout_decl): Likewise when assigning to DECL_SIZE.
12125 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
12127 * genrecog.c (validate_pattern): Typo last change. Verify
12128 that output operands have output reloads.
12130 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
12132 * genrecog.c (special_mode_pred_table): New.
12133 (NUM_SPECIAL_MODE_PREDS): New.
12134 (find_operand): New.
12135 (validate_pattern): New argument `insn'. Warn for assignment to
12136 any predicate accepting non-lvalues. Conditionaly warn for
12137 match_operand without a mode. Try much harder to match source
12138 and destination modes on a set.
12139 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
12141 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
12143 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
12145 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
12147 * combine.c (simplify_logical): Recognize xor pattern that encodes
12150 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12152 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
12155 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
12157 * ggc-page.c (MAP_FAILED): Provide default.
12159 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
12161 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
12162 * sparc.h (PREDICATE_CODES): Update.
12164 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
12166 * alpha.c (some_ni_operand): New.
12167 * alpha-protos.h: Declare it.
12168 * alpha.h (PREDICATE_CODES): Update.
12169 * alpha.md (sXaddq reload insns): Use some_ni_operand
12170 for SET_DEST instead of some_operand.
12172 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
12173 Jim Wilson <wilson@cygnus.com>
12175 * genrecog.c (maybe_both_true_2): Don't compare modes of
12177 (process_tree): Elide peephole2_insns. Invoke simplify_tests
12178 after find_afterward.
12179 (debug_decision_1): Dump next and afterward codes.
12181 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
12183 * rtl.c (dump_and_abort): Remove.
12184 (fatal_with_file_and_line): New.
12185 (fatal_expected_char): New.
12186 (read_rtx_lineno, read_rtx_filename): New.
12187 (read_skip_spaces): Track line number.
12188 (read_name): Use fatal_with_file_and_line.
12189 (read_rtx): Use fatal_expected_char. Track line number.
12190 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
12192 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
12193 if it isn't a CODE_LABEL.
12195 * genattr.c (main): Set read_rtx_filename.
12196 * genattrtab.c (main): Likewise.
12197 * gencodes.c (main): Likewise.
12198 * genconfig.c (main): Likewise.
12199 * genemit.c (main): Likewise.
12200 * genextract.c (main): Likewise.
12201 * genflags.c (main): Likewise.
12202 * genopinit.c (main): Likewise.
12203 * genoutput.c (main): Likewise.
12204 * genpeep.c (main): Likewise.
12206 * genrecog.c (decision_test.u.insn): Add `lineno'.
12207 (pattern_lineno, error_count): New variables.
12208 (message_with_line): New.
12209 (add_to_sequence): Break out checking code to ...
12210 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
12211 (merge_insn): Use message_with_line.
12212 (make_insn_sequence): Use validate_pattern. Record insn lineno.
12213 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
12215 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12217 * expr.c (store_constructor): Clear union if constructor is empty.
12219 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
12221 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
12222 Add !endian checks. Change %{...} to %(...).
12224 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
12226 * i386.md (*addsi3_cc): Renamed from addcsi3.
12227 (*addsi3_carry): Renamed from addxsi3.
12228 (*subsi3_cc): Renamed from subcsi3.
12229 (*subsi3_carry): Renamed from subxsi3.
12230 (*xorqi_cc_1): Renamed from xorcqi_1.
12231 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
12232 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
12234 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
12236 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
12237 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
12239 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
12241 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
12242 climb up the chain of insns.
12244 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
12246 * genrecog.c (write_subroutine): Careful for null trees.
12247 (process_tree): Don't elide empty functions.
12249 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
12251 * Makefile.in (genrtl.o): Depend on ggc.h.
12252 * configure.in (valloc): Probe for it.
12253 (with-gc): Use ggc-page if valloc present.
12254 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
12255 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
12256 (ggc_alloc_string): Moved from ggc-page.c.
12257 * ggc-none.c (ggc_alloc_obj): New.
12258 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
12259 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
12260 (struct globals): Likewise for dev_zero_fd.
12261 (init_ggc): Likewise for it's initialization.
12262 (ggc_allocated_p): Move careful dereference from ...
12263 (ggc_lookup_page_table): ... here. Delete.
12264 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
12265 (alloc_anon): Use valloc if no mmap.
12266 (release_pages): Use free if using valloc.
12267 (ggc_alloc_obj): Renamed from alloc_obj.
12268 (ggc_set_mark): Renamed from mark_obj.
12269 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
12270 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
12271 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
12272 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
12273 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
12274 (ggc_collect): Use fp printing instead of our own rounding.
12275 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
12276 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
12277 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
12278 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
12279 (struct ggc_string, struct ggc_any): Delete.
12280 (offsetof): Provide default definition.
12281 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
12283 (struct ggc_mem): New, from corpse of ggc_any.
12284 (struct ggc_status): Delete.
12285 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
12286 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
12287 (n_strings_collected, n_anys_collected): Delete.
12288 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
12289 (ggc_alloc_string, ggc_alloc): Delete.
12290 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
12291 (ggc_free_string, ggc_free_any): Delete.
12292 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
12293 (ggc_compare_addresses, ggc_mark_string): Delete.
12294 (ggc_mark_string_if_gcable, ggc_mark): Delete.
12295 (search_data): Delete.
12296 (struct globals): New.
12297 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
12298 (tree_insert, tree_lookup): New.
12299 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
12300 (clear_marks, sweep_objs): New.
12301 (ggc_collect): Gut. Use clear_marks, sweep_objs.
12302 (init_ggc): Set allocated_last_gc.
12303 (ggc_push_context): Gut. Use G.context.
12304 (ggc_pop_context): Likewise.
12305 (ggc_pop_context_1): New.
12306 (debug_ggc_tree): New.
12307 (debug_ggc_balance, tally_leaves): New.
12308 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
12309 (ggc_mark_string_if_gcable): Remove decl.
12310 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
12311 (ggc_mark_rtvec_children): New.
12312 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
12313 (ggc_mark_if_gcable): New decl.
12314 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
12315 (ggc_alloc_tree, ggc_alloc): Likewise.
12316 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
12317 (ggc_alloc_obj): New decl.
12318 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
12319 (ggc_alloc_tree, ggc_alloc): Likewise.
12320 (ggc_set_mark): New decl.
12321 * rtl.h (struct rtx_def): Remove gc_mark.
12322 (struct rtvec_def): Likewise.
12323 * tree.h (struct tree_common): Likewise.
12325 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
12327 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
12328 float_format and thread_file definitions.
12329 * configure: Rebuilt.
12331 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
12333 * extend.texi (Function Names): Document types of function names.
12335 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12337 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12338 an earlyclobbered output conflict with RELOAD_INPUT reloads.
12340 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12342 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
12344 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12346 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
12348 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
12350 * collect2.c (main): Do prelimnary link on AIX if rflag.
12352 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12354 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
12355 __CTOR_LIST__ in opposite order, which is the correct order for sorted
12357 (__do_global_dtors): similarly for __DTOR_LIST__.
12359 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12360 Diego Novillo <dnovillo@cygnus.com>
12362 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
12365 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
12367 * fixincl/*: Merged "no_bogosity" branch
12368 * fixincl/fixlib.h: protect against doubly defining t_bool
12369 * fixincl/server.h: protect against doubly defining t_bool
12371 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
12373 * genoutput.c: Include toplev.h.
12375 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
12377 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
12379 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
12380 * configure: Regenerate.
12382 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12384 * gcse.c (delete_null_pointer_checks): Returns void.
12386 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12388 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
12389 * emit-rtl.c (copy_insn_1): Likewise.
12391 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12393 * config/mips/mips.c (mips_build_va_list): Correct
12394 TREE_CHAIN setting when hard-float.
12395 (mips_va_start): Use corrected setting.
12396 (mips_va_arg): Likewise. Also pass a tree to build of
12397 POSTINCREMENT_EXPR rather than a naked 'int'.
12399 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
12401 * ggc.h (ggc_push_context): Fix comment.
12402 (ggc_pop_context): Likewise.
12403 (mark_string_if_gcable): Likewise.
12404 * ggc-common.c (ggc_mark_rtx_children): Use
12405 ggc_mark_string_if_gcable.
12406 * ggc-page.c (ggc_lookup_page_table): New function.
12407 (ggc_allocated_p): Likewise.
12408 (mark_obj): Fix formatting.
12409 (ggc_mark_string_if_gcable): New function.
12410 * ggc-simple.c (ggc_allocated_strings): New variable.
12411 (ggc_strings_used): Likewise.
12412 (ggc_compare_addresses): New function.
12413 (ggc_pop_context): Pop the `any' memory too.
12414 (ggc_mark_string_if_gcable): New function.
12415 (ggc_collect): Initialize and tear down ggc_allocated_strings.
12417 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
12419 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
12420 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
12421 * rs6000.c (expand_block_move): Match movstrsi_?reg register
12424 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
12426 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
12427 (sched_reg_live_length, sched_reg_basic_block): Delete.
12428 (current_block_num, bb_live_regs, old_live_regs): Delete.
12429 (dead_notes, struct sometimes): Delete.
12430 (sched_note_set, birthing_insn_p): Delete.
12431 (adjust_priority): Gut useless reg lifetime code.
12432 (create_reg_dead_note, attach_deaths): Delete.
12433 (attach_deaths_insn, new_sometimes_live): Delete.
12434 (finish_sometimes_live): Delete.
12435 (find_pre_sched_live, find_post_sched_live): Delete.
12436 (update_reg_usage): Delete.
12437 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
12438 (schedule_insns): Delete reg lifetime code.
12439 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
12440 (unlink_other_notes): Adjust REG_NOTE commentary.
12441 (reemit_notes): Use REG_SAVE_NOTE.
12442 (schedule_block): Likewise.
12443 (schedule_region): Allocate bitmap of blocks in region. Use
12444 count_or_remove_death_notes. Use update_life_info.
12446 * rtl.h (REG_SAVE_NOTE): New.
12447 * rtl.c (reg_note_name): Update.
12449 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
12451 * combine.c (refresh_blocks, need_refresh): New.
12452 (combine_instructions): Allocate refresh_blocks. Invoke
12453 update_life_info if needed.
12454 (distribute_notes): Mark refresh_blocks instead of installing
12456 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
12457 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
12459 * Makefile.in (recog.o): Depend on basic-block.h.
12461 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
12463 * genrecog.c (add_to_sequence): Thinko last change: delete
12464 shadowing allow_const_int variable.
12466 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12468 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
12469 __GNUC__ and __GNUC_MINOR__.
12471 * gansidecl.h: Likewise.
12477 * toplev.h: Likewise.
12479 * tree.c: Likewise.
12481 * tree.h: Likewise.
12483 * varray.c: Likewise.
12485 * varray.h: Likewise.
12487 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12489 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
12490 use one before a jump table.
12492 * rtl.def (ADDRESS): Change documentation to match reality.
12493 * md.texi: Don't document it.
12494 * gmicro.md (load address pattern): Use 'p' constraint, delete use
12497 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
12499 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
12501 * genrecog.c (add_to_sequence): Move allow_const_int test outside
12502 known predicate block; default allow_const_int true.
12503 (debug_decision_list): New.
12505 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
12507 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
12509 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
12511 * gcse.c (gcse_main): Avoid global optimizations if we have a
12512 large number of basic blocks and the ratio of edges to blocks
12514 (delete_null_pointer_checks): Likewise.
12516 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
12518 * c-common.c (check_format_info): Warn if format string isn't a
12521 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12523 * configure.in (arm*-*-*): Don't let autoconf remove brackets
12524 * configure: regenerate
12526 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
12528 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
12529 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
12530 (peepholes): Re-enable.
12532 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
12534 * Makefile.in (flow.o): Depend on TREE_H.
12535 * basic-block.h (REG_SET_EQUAL_P): New.
12536 (XOR_REG_SET): New.
12537 (n_edges): Declare.
12538 (free_regset_vector): Remove declaration.
12539 (flow_delete_insn_chain): Declare.
12540 (enum update_life_extent): New.
12541 (update_life_info, count_or_remove_death_notes): Declare.
12542 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12543 Verify register live at bb->global_live_at_start before adding USE.
12544 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12545 (CLEAN_ALLOCA): New.
12547 (PROP_*): New flags.
12548 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12549 (clear_edges): Zero n_edges.
12550 (make_edge): Increment n_edges.
12551 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12552 (flow_delete_insn_chain): Export.
12553 (delete_block): Decrement n_edges.
12554 (merge_blocks_nomove): Likewise.
12555 (life_analysis): Give life_analysis_1 PROP flags.
12556 (verify_wide_reg_1, verify_wide_reg): New.
12557 (verify_local_live_at_start): New.
12558 (update_life_info): Rewrite to call into propogate_block.
12560 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12561 always mark stack pointer. Conditionally mark PIC register.
12562 After reload, mark call-saved registers, return regsiters.
12563 (life_analysis_1): Accept PROP flags not remove_dead_code.
12564 Call mark_regs_live_at_end before zeroing regs_ever_live.
12565 Use calculate_global_regs_live. Copy global_live_at_end before
12566 calling final propagate_block. Zero reg_next_use on exit.
12567 (calculate_global_regs_live): New.
12568 (allocate_bb_life_data): Don't allocate bb->local_set.
12569 (init_regset_vector, free_regset_vector): Remove.
12570 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12571 Test flags before every operation. Warn if prologue/epilogue insn
12572 would have been deleted.
12573 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12574 Use alloc_EXPR_LIST.
12575 (mark_used_regs): Accept and use FLAGS, not FINAL.
12576 Remove special handling for RETURN.
12577 (try_pre_increment): Use alloc_EXPR_LIST.
12578 (dump_flow_info): Dump n_edges.
12579 (unlink_insn_chain, split_hard_reg_notes): Remove.
12580 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12581 (find_insn_with_note, new_insn_dead_notes): Remove.
12582 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12583 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12584 (replace_insns): Remove.
12585 (count_or_remove_death_notes): New.
12586 (verify_flow_info): Abort on error after all checks.
12587 (remove_edge): Decrement n_edges.
12588 (remove_fake_edges): Tweek format.
12589 * haifa-sched.c (schedule_insns): Use split_all_insns.
12590 * output.h (update_life_info): Remove declaration.
12591 * recog.c (split_all_insns): From the corpse of split_block_insns,
12592 do the whole function block by block. Use update_life_info.
12593 (recog_last_allowed_insn): New.
12594 (recog_next_insn): Mind it.
12595 (peephole2_optimize): Set it. Walk backwards through blocks.
12596 Use update_life_info.
12597 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12598 (split_all_insns): Declare.
12599 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12600 Use split_all_insns.
12602 * i386.md (or -1 peep2s): Disable.
12604 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12606 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12607 a single pattern. Scrap the 'd' versions as unnecessary.
12609 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12610 tablejump_mips162,tablejump_internal4): The operands to a
12611 label_ref must be VOIDmode.
12613 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12615 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12617 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12619 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12621 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12623 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12624 cache every function if ggc_p.
12626 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12628 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12629 instead of copy_rtx. Accept sequences that contain asm statements.
12630 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12631 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12632 orig_asm_operands_vector, copy_asm_operands_vector,
12633 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12635 * rtl.h (copy_insn, copy_insn_1): Declare.
12637 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12639 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12641 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12642 arguments to `current_file_function_operand'.
12644 * genrecog.c: Include hard-reg-set.h and resource.h in the
12645 generated output file.
12647 * real.c: Include tm_p.h.
12649 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12651 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12654 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12656 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12657 before the fctiwz insn.
12659 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12660 Mark Mitchell <mark@codesourcery.com>
12662 * tree.c (make_lang_type_fn): New funtion pointer.
12663 (make_lang_type): Call it.
12664 * tree.h (make_lang_type): Declare.
12665 (make_lang_type_fn): Likewise.
12666 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12668 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12670 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12671 make sure that HIGH instructions are copied into BASE_REGS.
12673 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12675 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12677 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12679 * c-decl.c (finish_struct): Use simpler method of
12680 removing elements of a singly-linked list.
12682 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12684 * alpha.md (peephole2's): Comment out peephole2's that generate
12687 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12689 * genrecog.c (add_to_sequence): Disable mode check for
12692 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12694 * ggc-simple.c (init_ggc): Set empty_string.
12696 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12698 * configure.in: Detect mmap. Add --with-gc=foo to select
12699 garbage collector; default to page if mmap available.
12700 * Makefile.in (GGC): Substitute.
12702 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12704 * c-decl.c (ggc_p): Enable.
12706 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12708 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12710 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12712 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12713 string for little-endian-data.
12715 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12717 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12718 case somebody tries to compile --enable-checking code with gcc
12721 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12723 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12726 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12728 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12729 * jump.c (jump_optimize_1): Document why.
12731 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12733 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12734 pointers and casts for `int_handler' and `quit_handler'.
12736 * flow.c (verify_flow_info, split_hard_reg_notes,
12737 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12738 remove_edge, remove_fake_successors): Add static prototypes.
12739 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12740 (mark_set_1): Initialize variable `regno'.
12741 (unlink_insn_chain): Likewise for variable `curr'.
12742 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12744 * loop.c (strength_reduce): Initialize variable
12745 `unrolled_insn_copies'.
12746 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12747 prototypes. Change these functions to take const PTR parameters
12748 to avoid prototype conflict when used as the comparson argument
12750 (check_dbra_loop): Initialize variable `comparison_val'.
12752 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12753 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12754 (find_valid_class): Initialize variable `best_class'.
12755 (find_reloads): Call memcpy, not bcopy.
12757 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12758 (hard_reg_use_compare): Don't needlessly cast away const.
12759 (reload_reg_class_lower): Likewise.
12760 (choose_reload_regs): Initialize variable `regno'.
12762 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12764 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12766 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12768 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12769 ({,d}discard): Add forward declarations. Declare parameter as
12771 (main_without_main): Explicitly declare return type to be int.
12772 (memcpy): Properly declare.
12774 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12775 building the trampoline support, declare malloc, free, and
12777 (__clear_cache): Mark arguments as potentially unused.
12779 * frame.c (toplevel): If inhibit_libc is defined, declare
12782 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12784 * flow.c (make_edge): Accept an optional 2D bitmap in which
12785 to cache edge existence. Update all callers.
12786 (make_label_edge, make_eh_edge): Pass through the edge cache.
12787 (make_edges): Provide the cache.
12789 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12791 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12793 (local_mbtowc): Change the type of variable `i' from int to size_t.
12795 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12796 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12798 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12800 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12801 after other includes that define the appropriate types. Include
12802 tm_p.h for getting user prototypes.
12803 * ggc-callbacks.c (toplevel): Ditto.
12804 * ggc-none.c (toplevel): Ditto.
12805 * gcc-page.c (toplevel): Ditto.
12806 * ggc-simple.c (toplevel): Ditto.
12808 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12809 Jonathan Larmour <jlarmour@cygnus.co.uk>
12811 * config/mips/mips.c (mips_move_2words): Split doubles if
12812 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12814 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12816 * genrecog.c (struct decision_test): New.
12817 (struct decision): Remove test-related members, sort the rest by size.
12818 (IS_SPLIT): Simplify.
12819 (new_decision, new_decision_test): New.
12820 (add_to_sequence): Use them. No special handling for args of
12822 (maybe_both_true): Renamed from not_both_true; return sense changed.
12823 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12824 of maybe_both_true and adjusted for decision_test.
12825 (position_merit): Remove.
12826 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12827 (merge_accept_insn): New, broken out of merge_trees.
12828 (merge_trees): Use them. No special case for c_test; no node
12829 splitting; use test type instead of position_merit.
12830 (factor_tests): New.
12831 (simplify_tests): New.
12832 (break_out_subroutines): Don't write code now.
12833 (find_afterward): New.
12834 (write_afterward, write_switch, write_cond): New.
12835 (write_action, is_unconditional): New.
12836 (write_node): New. Use them.
12837 (write_tree_1): Rewrite. Use the new functions above.
12838 (write_tree): Remove afterward processing.
12839 (write_subroutine): Simplify function variant emission.
12840 (write_subroutines): New.
12841 (same_codes, clear_codes): Remove.
12842 (same_modes, clear_modes): Remove.
12843 (write_header): New, broken out of main.
12844 (make_insn_sequence): Use new_decision and new_decision_test.
12845 (process_tree): New, broken out of main.
12846 (main): Adjust for merge_trees interface change.
12847 Don't #define operands in the output file.
12848 (record_insn_name): New, broken out of make_insn_sequence.
12849 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12850 (debug_decision): New.
12852 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12854 * resource.c (find_free_register): Mark class_str argument const.
12855 * resource.h: Update prototype to match.
12857 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12858 * i386.md: Give all anonymous insns names.
12860 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12862 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12865 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12867 * toplev.c (dbr_sched_time): Unconditional.
12868 (peephole2_time): New.
12869 (compile_file): Add pass numbers to all of the dump file suffixes.
12870 Dump peephole2_time. Don't dump times for non-applicable passes.
12871 (rest_of_compilation): Add pass numbers to dump file suffixes.
12872 Conditionalize calls to the scheduler.
12873 * invoke.texi: Update.
12875 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12877 * flow.c (make_edges): Fix insn iteration.
12878 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12879 (find_basic_blocks_1): Fix spelling mistake.
12881 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12883 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12884 always have side-effects. Use memset not bzero.
12885 (make_node): Likewise.
12887 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12889 * stmt.c (expand_anon_union_decl): When any of the elements of the
12890 union is addressable, so is the entire union.
12892 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12894 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12896 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12897 * bitmap.c (bitmap_operation): Return true iff TO changed.
12898 (bitmap_equal_p): New.
12899 (bitmap_bit_p): Tidy arithmetic.
12900 (debug_bitmap_file): Likewise.
12902 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12904 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12905 before cse2 instead of after.
12907 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12909 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12912 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12914 * cppinit.c (is_idchar initializer): Loosen tests to accept
12917 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12919 * mips.md: Define conditional move patterns for floating point
12920 operands and DI mode conditions.
12922 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12924 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12925 always have side-effects.
12927 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12929 * mn10200.c (asm_file_start): Fix typo.
12931 * cppinit.c (is_idchar initializer): Tighten tests for when
12932 to put the table into initialized memory.
12934 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12935 not an array of rtunion.
12936 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12937 * gcc-simple (ggc_free_rtvec): Similarly.
12939 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12942 * mbchar.h: Add missing #endif.
12944 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12945 (FPBIT, DPBIT): Define.
12947 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12949 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12951 * profile.c (instrument_arcs, output_gcov_string,
12952 tablejump_entry_p): Add static prototypes.
12953 (output_gcov_string): Constify a char*.
12955 * regmove.c (replacement_quality, fixup_match_2): Add static
12958 * resource.h (reg_dead_p): Add extern prototype.
12960 * rtl.c (trim_filename): Add static prototype.
12962 * scan-decls.c (skip_to_closing_brace): Likewise.
12964 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12965 (expand_end_case): Initialize variable `range'.
12966 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12968 * varasm.c (asm_emit_uninitialised): Add static prototype.
12969 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12972 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12974 * cpplib.c (if_directive_nameo): Add static prototype.
12976 * cse.c (cse_insn): Remove unused variable `p'.
12978 * except.c (create_rethrow_ref, push_entry,
12979 receive_exception_label, new_eh_region_entry, find_func_region,
12980 clear_function_eh_region, process_nestinfo): Add static prototypes.
12981 (get_reg_for_handler): Hide definition.
12982 (process_nestinfo): Initialize variable `extra_handlers'.
12984 * expr.h (expand_builtin_longjmp): Add extern prototype.
12986 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12988 * function.c (prepare_function_start): Likewise.
12989 (pop_function_context_from): Mark parameter `context' with
12991 (push_temp_slots_for_block, flush_addressof): Hide definition.
12993 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12994 solve_program_flow_graph, calculate_branch_probs,
12995 function_summary, main, fancy_abort): Add prototypes.
12997 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12998 (add_hash): Constify a char*.
13000 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
13001 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
13002 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
13004 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
13006 * lists.c (free_list, zap_lists): Likewise.
13008 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13010 * alias.c (nonlocal_reference_p): Add static prototype.
13012 * bitmap.c (bitmap_element_allocate): Prototype args in function
13015 * builtins.c (stabilize_va_list): Add static prototype.
13016 (expand_builtin_va_arg): Constify a char*.
13018 * c-lex.c (getch, put_back, extend_token_buffer_to,
13019 read_line_number, token_getch, token_put_back): Add static
13022 * c-parse.gperf (hash, is_reserved_word): Likewise.
13024 * cccp.c (is_dir_separator): Likewise.
13026 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13028 * graph.h: New file to prototype functions exported by graph.c.
13030 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
13032 * graph.c: Include graph.h.
13034 * toplev.c: Likewise. Remove redundant prototypes.
13036 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
13038 * invoke.texi: Removed duplicated description for -Q.
13040 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
13042 * extend.texi: Grammar fix in __extension__ text.
13044 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
13046 * md.texi (define_peephole2): New section.
13048 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
13050 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
13051 (mov $-1 to or peepholer): Enable for pentium when optimizing for
13054 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
13056 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
13058 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
13060 * i386.md (ffs expander): Emit Pentium friendly code for
13063 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
13065 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
13067 (build1): Likewise.
13069 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13071 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
13073 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
13075 * config/m68k/m68k.c (use_return_insn): Return false if the pic
13076 register is in use.
13078 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13080 * md.texi (No Constraints): Delete section.
13081 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
13082 * final.c (final_scan_insn): We always have register constraints.
13083 * genattrtab.c: Don't include "insn-config.h".
13084 (write_attr_case): We always have register constraints.
13085 * genconfig.c (register_constraint_flag): Delete.
13086 (walk_insn_part): Don't check whether we have register constraints.
13087 (main): Don't write out "#define REGISTER_CONSTRAINTS".
13088 * genoutput.c (have_constraints): Delete.
13089 (main): Don't set it.
13090 (output_operand_data): We always have constraints.
13091 (scan_operands): Likewise.
13092 (compare_operands): Likewise.
13093 * local-alloc.c (block_alloc): We always have constraints.
13094 (requires_inout): Always compile this function.
13095 * recog.c (extract_insn): We always have constraints.
13096 (constrain_operands, reg_fits_class_p): Always compile these
13098 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
13100 (struct insn_operand_data): Likewise.
13101 * regclass.c (regclass): We always have constraints.
13102 (record_reg_classes, copy_cost, record_address_regs,
13103 auto_inc_dec_reg_p): Always compile these functions.
13104 * regmove.c (regmove_optimize): We always have constraints.
13105 * reload.c (find_reloads): Likewise.
13106 * reload1.c (reload): Likewise.
13107 (reload_cse_simplify_operands): Likewise.
13108 * i860.c (output_delay_insn): Likewise.
13110 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
13112 * iris6.h (BUILD_VA_LIST_TYPE): Define.
13114 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13116 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
13117 for the va_list record.
13119 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
13121 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
13124 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
13126 * alias.c: Include insn-flags.h.
13127 * Makefile.in (alias.o): Update.
13129 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
13131 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
13132 to LTU and GEU. Handle more cases using sbb.
13134 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
13136 * i386.md (truncatexfdf splitters): Do not use subreg.
13137 (fop XFmode patterns): Fix mode in operand testing.
13139 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
13141 * jump.c (jump_optimize_1): Amend last change to test only the
13142 form of the operand, not the insn.
13144 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
13145 not register_operand to determine when B may need preloading.
13147 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
13149 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
13150 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
13151 (call-value patterns): Move to end of file.
13152 (*): Remove mode from label_ref in (pc) context.
13153 (movstrqi): Use memory not general_operand for BLKmode operands.
13154 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
13155 to register_operand operands.
13156 (peep2 patterns): Convert from commented-out peephole patterns.
13158 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13160 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
13161 to BUILT_IN_INIT_DWARF_REG_SIZES.
13162 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
13163 Renamed from BUILT_IN_DWARF_REG_SIZE; call
13164 expand_builtin_init_dwarf_reg_sizes.
13165 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
13166 with __builtin_init_dwarf_reg_size_table.
13167 * dwarf2out.c (struct reg_size_range): Delete.
13168 (expand_builtin_init_dwarf_reg_sizes): New function.
13169 (expand_builtin_dwarf_reg_size): Delete.
13170 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
13171 (expand_builtin_dwarf_reg_size): Don't declare.
13172 * libgcc2.c (dwarf_reg_size_table_initialized): New.
13173 (dwarf_reg_size_table): New.
13174 (init_reg_size_table): New function.
13175 (copy_reg): Use dwarf_reg_size_table.
13176 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
13179 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
13181 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
13182 Correctly build argument list to constructor and destructor functions.
13184 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
13186 * c-tree.h (warn_float_equal): Declare.
13187 * c-decl.c (warn_float_equal): Define.
13188 (c_decode_option): Recognize -W[no-]float-equal.
13189 * c-typeck.c (build_binary_op): Conditionally warn
13190 about equality tests of floating point types.
13191 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
13192 * invoke.texi: Add docs for -Wfloat-equal warning.
13194 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
13196 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
13197 generating RTL directly.
13198 * mips.h (INIT_TARGET_OPTABS): Likewise.
13199 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
13201 * expr.h (init_mov_optab): Delete declaration
13203 * h8300.c (WORD_REG_USED): Update to avoid useless register
13204 saves in interrupt functions and functions which never return.
13206 * cse.c (struct set): Delete inner_dest_loc field.
13207 (cse_insn): Remove assignments to inner_dest_loc field.
13209 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
13211 * ggc-page.c: Don't include <unistd.h> etc taken care of
13212 by "system.h". Include <sys/mman.h> afterward.
13214 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
13216 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
13219 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
13221 * xcoffout.c (xcoffout_declare_function): Add documentation.
13222 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
13223 TARGET_64BIT. Compare constant to -1, not bit pattern.
13224 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
13225 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
13228 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
13230 * dwarf2out.c (add_abstract_origin_attribute): Abort if
13231 origin_die is NULL.
13232 (gen_inlined_enumeration_type_die): Do not abort if the type has
13233 not been writeen out.
13234 (gen_inlined_structure_type_die): Do not abort if the type has
13235 not been writeen out.
13236 (gen_inlined_union_type_die): Do not abort if the type has
13237 not been writeen out.
13238 (gen_tagged_type_instantiation_die): Do not abort if the type
13239 has not been written out.
13241 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13243 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
13245 * reg-stack.c (straighten_stack): Copy hard reg set with
13248 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
13250 * builtins.c (stabilize_va_list): Stabilize array type va_list
13251 to a pointer type, not the base record type.
13252 (expand_builtin_va_copy): Dereference the pointers explicitly;
13253 use the correct size for the copy.
13255 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
13256 (rs6000_va_arg): Likewise.
13258 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
13260 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
13262 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
13264 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
13266 (DECL_BUILT_IN_CLASS): Adjust accordingly.
13268 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
13270 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
13271 (init_ggc): Use it instead of a constant.
13272 (ggc_collect): Bound allocated_last_gc by it.
13274 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
13276 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
13279 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
13281 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
13282 (mips*-*-openbsd*): Let big endian configuration be a fragment.
13283 * configure: Regen.
13284 * config/mips/openbsd.h: New, OpenBSD little endian target.
13285 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
13286 * config/mips/xm-openbsd.h: New, OpenBSD host.
13288 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
13290 * config/m68k/m68k.c (output_function_prologue,
13291 output_function_epilogue): Use
13292 current_function_uses_pic_offset_table instead of regs_ever_live
13293 to decide whether to save/restore pic register.
13294 (legitimize_pic_address): Don't modify regs_ever_live any more.
13296 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
13298 * function.h (struct function): Add x_dont_save_pending_sizes_p.
13299 * stor-layout.c (variable_size): Don't add sizes to the pending
13300 sizes list if x_dont_save_pending_sizes_p is set.
13302 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
13304 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
13305 for symbolic_operand().
13306 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
13308 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13310 * combine.c (gen_rtx_combine): Add missing call to va_end().
13312 * final.c (asm_fprintf): Likewise.
13314 * genattrtab.c (attr_rtx): Likewise.
13316 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
13318 * cse.c: Update comments.
13319 (cse_insn): When converting a conditional/computed jump into
13320 an unconditional jump, always make sure a BARRIER immediately
13321 follows the converted jump. Do not delete unreachable code.
13322 (cse_basic_block): Do not delete unreachable code.
13323 * toplev.c (rest_of_compilation): Move call to
13324 delete_trivially_dead_insns after the conditional call to
13327 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13329 * collect2.c (make_temp_file): Don't prototype.
13331 * gcc.c (make_temp_file): Likewise.
13333 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
13335 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
13337 * varasm.c (asm_emit_uninitialised): New function: Generate
13338 the assembler statements necessary to declare an uninitialised
13340 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
13342 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
13343 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
13345 (assemble_variable): Use asm_emit_uninitialised to emit an
13346 uninitialised variable.
13348 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
13350 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
13351 constant on a 64 bit host. Patch supplied by Geoffrey Keating
13352 <geoffk@cygnus.com>.
13354 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13356 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
13357 * c-common.h (builtin_function): Don't declare.
13359 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
13361 (pushdecl): Likewise.
13362 (finish_decl): Likewise.
13363 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
13364 int. All callers changed.
13365 Set the builtin's DECL_BUILT_IN_CLASS.
13366 * tree.h (enum built_in_class): New.
13367 (enum built_in_function): Delete NOT_BUILT_IN.
13368 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
13370 (DECL_SET_FUNCTION_CODE): Likewise.
13371 (DECL_BUILT_IN_CLASS): New macro.
13372 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
13373 (struct tree_decl): Split builtin function code field into a
13375 (builtin_function): Declare.
13377 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
13379 * optabs.c (init_traps): Fix typo in last change.
13381 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
13383 * toplev.c (rest_of_decl_compilation): Update comment.
13385 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13387 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
13388 in .sbss if appropriate.
13389 (EXTRA_SECTION_FUNCTIONS): Add sbss.
13390 (SBSS_SECTION_ASM_OP): New macro.
13391 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
13392 (EXTRA_SECTIONS): Add in_sbss.
13393 * config/mips/mips.h: Prototype sbss_section.
13395 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
13397 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
13400 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
13402 * optabs.c (init_traps): Register trap_rtx as a GC root.
13404 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13406 * config/mips/mips.c (function_arg_pass_by_reference): Define
13407 unconditionally, since it's called unconditionally.
13409 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13411 * toplev.c (documented_lang_options): Add -fshort-wchar.
13412 * c-decl.c (c_decode_option): Likewise.
13413 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
13415 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
13416 * gcc.c (default_compilers): If -fshort-wchar,
13417 override __WCHAR_TYPE__.
13418 * tm.texi (C Dialect Options): Add -fshort-wchar.
13420 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
13421 symbol for a variable.
13423 * cpplib.h (CPP_PREPROCESSED): New macro.
13424 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
13425 we're seeing this input for a second time.
13427 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
13429 * emit-rtl.c (init_emit_once): Initialize modes first.
13431 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
13433 * config/i386/i386.c (pic_label_name): Change to char pointer.
13434 (global_offset_table): New variable.
13435 (load_pic_register): Fill global_offset_table if it hasn't
13436 already been done. Allocate pic_label_name dynamically.
13437 * ggc.h (empty_string): New variable.
13438 * ggc-simple.c (empty_string): Likewise.
13439 (init_ggc): Allocate empty_string and add as root.
13440 * stmt.c (digit_strings): New variable.
13441 (init_stmt): Add last_block_end_note as root. Allocate and
13442 initialize digit_strings.
13443 (expand_asm_operands): Use empty_string instead of string
13444 constant. Use digit_strings instead of string constants.
13445 * profile.c (init_arc_profiler): Allocate string with
13446 ggc_alloc_string instead of xmalloc.
13447 (output_func_start_profiler): Likewise.
13448 * c-typeck.c (digest_init): Check if init is error_mark_node.
13450 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
13451 Richard Henderson <rth@cygnus.com>
13453 * ggc-page.c: New file.
13454 * Makefile.in (ggc-page.o): New.
13456 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
13458 * invoke.texi: Document -fdelete-null-pointer-checks
13459 * toplev.c (flag_delete_null_pointer_checks): New.
13460 (f_options): Add entry for -fdelete-null-pointer-checks.
13461 (rest_of_compilation): Conditionalize null pointer check
13462 elimination on flag_delete_null_pointer_checks.
13463 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
13465 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
13467 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
13468 copyright notice and special exception to GPL.
13470 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13472 * abi64.h (mips_function_value): Add prototype arguments.
13474 * mips-protos.h: New file with mips prototypes.
13476 * mips.c: Include "tm_p.h".
13477 (mktemp, lookup_name): Add prototype arguments.
13478 (extern_list, string_constant, mips_fill_delay_slot,
13479 mips_output_external, mips_output_external_libcall,
13480 mips_output_filename, mips_declare_object, function_prologue,
13481 mips_expand_prologue, function_epilogue, mips16_constant,
13482 build_mips16_function_stub, mips_output_conditional_branch):
13484 (mips_va_start): Remove unused variable `u'.
13485 (mips_va_arg): Cast value to unsigned when comparing against one.
13487 (save_restore_insns, mips_expand_prologue): Add missing arg in
13488 call to `large_int'.
13490 * mips.h: Move prototypes to mips-protos.h.
13491 (data_section, memory_address_p, rdata_section,
13492 readonly_data_section, simple_epilogue_p, text_section): Delete
13493 prototypes delcared elsewhere.
13494 (mips_epilogue_delay_slots, print_options): Delete unused decls.
13496 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
13498 * mips.md: Delete extra args in call to `mips_move_2words'.
13500 * xm-iris6.h (alloca): Add prototype argument.
13502 * genpeep.c: Include "tm_p.h" in generated output file.
13504 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13506 * basic-block.h (find_edge_index): Change parameters.
13507 * flow.c (verify_edge_list): Pass basic_block parameters to
13508 find_edge_index instead of integers.
13510 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
13512 * combine.c (simplify_comparison): Use an unsigned shift to adjust
13515 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
13517 * gcc.1: Fix a formatting error.
13519 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13521 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
13522 i786, mn10200, mn10300, pdp11, v850.
13524 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
13526 * libgcc2.c (num_digits): Add prototype with
13527 __attribute__((const)).
13528 (__terminate): Add prototype.
13530 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
13532 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
13534 * alpha/alpha.c (print_operand): Fix type of `code'.
13535 (alpha_output_filename): Constify.
13536 * alpha/alpha.h: Move all function declarations ...
13537 * alpha/alpha-protos.h: ... here. New file.
13538 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
13539 (SECTION_FUNCTION_TEMPLATE): Likewise.
13541 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13543 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13544 * expr.c (expand_expr): Likewise.
13545 (do_jump): Likewise.
13546 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13547 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13549 (enum can_compare_purpose): New.
13550 (can_compare_p): Adjust prototype.
13551 (prepare_cmp_insn, prepare_operand): Declare.
13552 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13553 * optabs.c (cmp_available_p): Deleted.
13554 (expand_abs): Pass ccp_jump to can_compare_p.
13555 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13556 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13557 Call can_compare_p rather than cmp_available_p.
13558 (prepare_operand): No longer static.
13559 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13560 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13561 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13562 sequence to use emit_cmp_and_jump_insns.
13563 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13565 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13567 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13568 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13569 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13570 (plus (reg) (const_int 0))
13571 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13573 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13575 * rs6000.c (expand_block_move): DImode loads and stores require
13576 word-aligned displacements. Increment address registers with
13577 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13579 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13581 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13582 is no name for the base type, rather than segfault. If we are
13583 writing out a complex integer type, use DW_ATE_lo_user.
13585 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13586 in one word or less (complex char, complex short, or on 64 bit
13587 systems complex float) to/from a hard register, copy it through
13588 memory instead of dying in gen_{real,imag}part. If we have a
13589 short complex type, prevent inlining since it allocates stack
13592 * tree.c (build_complex_type): If we are writing dwarf2 output,
13593 generate a name for complex integer types.
13595 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13597 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13598 * flow.c (remove_edge): Remove extra whitespace.
13599 (remove_fake_edges): Fix comment.
13600 (add_noreturn_fake_exit_edges): Use the correct name.
13602 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13604 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13605 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13606 (clean): Depend on INTL_CLEAN.
13607 (maintainer-clean): Adjust.
13609 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * configure.in (AC_PREREQ): Bump to 2.13.
13612 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13614 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13616 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13618 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13620 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13621 (HAVE_STRINGIZE): Define.
13623 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13625 * c-parse.in: save and restore warn_pointer_arith on __extension__
13626 along with pedantic.
13627 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13628 Set the type of extension to itype rather than $<itype>1 kludge.
13629 * extend.texi (Alternate Keywords): Adjust documentation.
13630 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13632 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13634 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13635 most assembler templates.
13637 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13638 FP loads and stores.
13639 (following_call): Always return zero for the PA8000.
13640 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13641 FP loads and stores.
13642 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13644 * pa.h (BRANCH_COST): Define.
13646 * pa.md (return, return_internal): Use bve for PA2.0.
13648 * pa.md (fused multiply): Add variants which reduce height for the
13649 fused multiply, but which still generate 2 insns.
13650 (fnegabs): Similarly.
13652 * pa.md (subsi3): Turn into an expander. Create two anonymous
13653 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13654 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13656 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13658 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13660 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13661 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13663 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13666 * flow.c (record_active_eh_regions): Terminate loop after finding
13667 the last insn in the last basic block.
13669 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13671 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13673 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13675 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13677 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13679 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13680 splitting to not use output template.
13682 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13684 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13685 * config/c4x/c4x.c (c4x_va_start): New function.
13687 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13689 * genrecog.c (not_both_true): Handle correctly cases when called for
13690 tests with different positions in the insn.
13692 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13694 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13696 * system.h (HOST_PTR_PRINTF): ... to here.
13698 * mips-tfile.c: Don't include machmode.h.
13700 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13701 (mips-tfile.o): Don't depend on machmode.h.
13703 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13705 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13706 avoid conflicts with typedef struct `region' at the top level scope.
13708 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13710 * basic-block.h (basic_block): Add eh_beg, eh_end.
13711 * flow.c (entry_exit_blocks): Update.
13712 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13713 Call new functions.
13714 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13715 lists.c functions to allocate insn lists.
13716 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13718 (make_eh_edge): ... here. New.
13719 (move_stray_eh_region_notes): New.
13720 (record_active_eh_regions): New.
13721 (delete_unreachable_blocks): Split out block merging ...
13722 (try_merge_blocks): ... here. New.
13723 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13724 Dump debugging data.
13725 (merge_blocks_move_successor_nojumps): Likewise.
13726 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13728 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13730 * extend.texi (Bound member functions): Document unbound pmf
13733 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13735 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13736 has the EXIT_BLOCK as a dest.
13738 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13740 * flow.c (remove_edge): New function to remove an edge from the
13742 (remove_fake_successors): New function to remove fake successor edges.
13743 (remove_fake_edges): New function to remove all fake edges from the
13745 (add_fake_exit_edges): New function to add fake edges from all blocks
13746 with no successors to the exit block.
13747 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13748 prototypes for new functions.
13750 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13752 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13753 Use Pmode to determine whether to output .dword or .word.
13755 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13757 * tree.c (built_in_filename): New variable.
13758 (BUILT_IN_FILENAME): New macro.
13759 (init_tree_codes): Allocate built_in_filename.
13760 (make_node): Use built_in_filename instead of string constant.
13762 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13764 * configure.in: Add fr30 target.
13765 * configure: Regenerate.
13766 * config/fr30: New directory.
13767 * config/fr30/crti.asm: New file.
13768 * config/fr30/fr30.c: New file.
13769 * config/fr30/crtn.asm: New file.
13770 * config/fr30/fr30.h: New file.
13771 * config/fr30/fr30.md: New file.
13772 * config/fr30/lib1funcs.asm: New file.
13773 * config/fr30/t-fr30: New file.
13774 * config/fr30/xm-fr30.h: New file.
13776 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13778 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13779 BARRIER at the end of the successor, not the BARRIER before
13782 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13784 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13786 * stmt.c (any_pending_cleanups): Don't crash when
13787 current_function->stmt is unset.
13789 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13791 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13792 other initializations that may use it for relative offsets.
13794 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13796 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13797 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13798 * config/i386/sol2dbg.h: Removed.
13799 * config/i386/sol2gas.h: New file, to enable gas work-around.
13800 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13801 Don't use sol2dbg.h.
13802 * configure: Rebuilt.
13804 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13806 * invoke.texi (-fthis-is-variable): Remove documentation.
13808 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13810 * basic-block.h (compute_bb_for_insn): Declare.
13811 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13812 to use; set size of basic_block_for_insn directly.
13813 (find_basic_blocks): Update.
13815 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13817 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13819 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13821 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13822 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13824 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13826 * c-decl.c (c_decode_option): Extend comment.
13828 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13830 * toplev.c (progname): Make 'const char *'
13831 (flag_print_mem): Move out of main.
13832 (version_flag): Move out of main.
13833 (filename): Move out of main.
13834 (debug_args): Remove g prefix from options.
13835 (documented_lang_options): Remove cpplib specific options.
13836 (display_help): Add g prefix to debug options.
13837 (check_lang_option): Delete this function.
13838 (decode_d_option): New function: Decode -d... option.
13839 (decode_f_option): New function: Decode -f... option.
13840 (decode_W_option): New function: Decode -W... option.
13841 (decode_g_option): New function: Decode -g... option.
13842 (independent_decode_option): New function: Decode a language
13843 independent command line option.
13844 (main): Invoke lang_decode_option and then
13845 independent_decode_option on each command line option in
13848 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13850 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13851 * fold-const.c (fold_range_test): Do not try to fold the range
13852 test if the rhs or lhs has side effects.
13854 * basic-block.h (compute_flow_dominators): Declare.
13856 * gcse.c (alloc_code_hoist_mem): New function.
13857 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13858 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13859 (hoist_code, one_code_hoisting_pass): Likewise.
13860 (gcse_main): If optimizing for size, then hoist expressions
13861 computed in multiple dominated basic blocks.
13863 * gcse.c (invalid_nonnull_info): New function.
13864 (delete_null_pointer_checks): Likewise.
13865 * rtl.h (delete_null_pointer_checks): Declare.
13866 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13868 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13869 (merge-blocks_move_successor_nojumps): Likewise.
13870 (merge_blocks): Allow merging of some blocks, even if it requires
13871 physical movement of the blocks, but not if it requires new jumps.
13873 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13874 Callers and prototype changed.
13875 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13877 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13879 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13880 -YP when both -p and -pg are present. From i386/sol2.h.
13882 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13884 * Makefile.in (distclean): Delete tm_p.h.
13885 * configure.in: Create a new file, "tm_p.h", from a list in
13886 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13887 "i386/i386-protos.h".
13889 * alias.c: Include "tm_p.h".
13890 * c-typeck.c: Likewise.
13891 * calls.c: Likewise.
13893 * emit-rtl.c: Likewise.
13894 * explow.c: Likewise.
13895 * expmed.c: Likewise.
13896 * expr.c: Likewise.
13897 * final.c: Likewise.
13898 * flow.c: Likewise.
13899 * fold-const.c: Likewise.
13900 * function.c: Likewise.
13901 * gcse.c: Likewise.
13902 * global.c: Likewise.
13903 * haifa-sched.c: Likewise.
13904 * integrate.c: Likewise.
13905 * jump.c: Likewise.
13906 * local-alloc.c: Likewise.
13907 * loop.c: Likewise.
13908 * optabs.c: Likewise.
13909 * recog.c: Likewise.
13910 * reg-stack.c: Likewise.
13911 * regclass.c: Likewise.
13912 * regmove.c: Likewise.
13913 * reload.c: Likewise.
13914 * reload1.c: Likewise.
13915 * reorg.c: Likewise.
13916 * resource.c: Likewise.
13917 * stmt.c: Likewise.
13918 * stor-layout.c: Likewise.
13919 * toplev.c: Likewise.
13920 * tree.c: Likewise.
13921 * unroll.c: Likewise.
13922 * genattrtab.c (main): Make generated file include "tm_p.h".
13923 * genemit.c (main): Likewise.
13924 * genoutput.c (main): Likewise.
13925 * genrecog.c (main): Likewise.
13927 * i386.h: Delete all prototypes.
13928 * i386.c: Include "tm_p.h".
13929 (ix86_attr_length_default): Call constant_call_address_operand
13930 with correct number of arguments.
13931 * i386-protos.h: New file.
13932 * i386.md (unnamed patterns): Call constant_call_address_operand
13933 with correct number of arguments.
13934 (exception_receiver): Call load_pic_register with correct number
13937 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13939 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13941 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13943 * rtl.h (insns_safe_to_move_p): New function.
13944 * loop.c (find_and_verify_loops): Use it.
13945 * rtlanal.c (insns_safe_to_move_p): Define it.
13947 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13949 * c-pragma.c: Include ggc.h.
13950 * Makefile.in (c-pragma.o): Update.
13952 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13954 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13955 (LIB_SPEC): Likewise.
13956 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13957 Reindent -YP/-p/-pg.
13958 Copied from config/sparc/sol2.h.
13960 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13962 * c-pragma.c (mark_align_stack): New.
13963 (init_pragma): New.
13964 * c-pragma.h (init_pragma): Declare it.
13965 * c-lex.c (init_parse): Call it.
13967 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13969 * configure.in: Pick up thread library on Solaris/x86 just
13970 like on Solaris/sparc.
13971 * configure: Rebuilt.
13973 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13975 * rtl.h (global_rtx_index): New enum.
13976 (global_rtl): Change to array of rtx.
13977 (pc_rtx, cc0_rtx): Redefine accordingly.
13978 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13979 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13980 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13981 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13982 (const_int_rtx): Change to array of rtx.
13983 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13985 * emit-rtl.c (global_rtl): Change to array of rtx.
13986 (const_int_rtx): Change to aray of rtx.
13987 (gen_rtx_CONST_INT): Redefine accordingly.
13988 (init_emit_once): Allocate and initialize global_rtl. Likewise
13989 for const_int_rtx. Add both as GC roots.
13990 * genattrtab.c (global_rtl): Update declaration.
13992 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13994 * Makefile (USER_H): Add iso646.h back.
13996 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13998 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13999 zapping the LOG_LINKS of sched_before_next_call.
14001 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
14002 * pa.c (insn_refs_are_delayed): Renamed from
14003 insn_sets_and_refs_are_delayed.
14005 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
14007 * functiion.h (struct function): Add x_whole_function_mode_p.
14008 (retrofit_block): Declare.
14009 * function.c (retrofit_block): New function.
14010 (identify_blocks): Add assertions. Allow an incomplete set of
14011 block notes if we're still generating code for the function.
14012 * integrate.c: Include loop.h.
14013 (expand_inline_function): Call find_loop_tree_blocks to map block
14014 notes to blocks when in whole-function mode. Use retrofit_block
14015 to insert new BLOCKs for the inlined function, rather than
14017 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
14018 * Makefile.in (integrate.o): Depend on loop.h.
14020 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
14022 * tree.h (warn_about_unused_variables): Declare.
14023 * stmt.c (warn_about_unused_variables): New function, split out
14025 (expand_end_bindings): Here.
14027 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
14029 * stmt.c (preserve_subexpressions_p): Don't crash when
14030 current_function->stmt is unset.
14032 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
14034 * stmt.c (expand_start_bindings): Allow callers to pass a flag
14035 indicating that no NOTE_INSN_BLOCK_BEG note is required.
14036 (expand_start_target_temps): Use it.
14037 * except.c (expand_eh_region_start_for_decl): Likewise.
14038 * expr.c (expand_expr): Likewise.
14040 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14042 * fold-const.c (operand_equal_p): Pay attention to side effects.
14044 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14046 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
14047 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
14049 * tlink.c (scan_linker_output): Look for keywords before accepting
14050 a mangled name in quotes.
14052 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
14054 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
14055 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
14057 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
14059 * alpha.md: Revert Thu Nov 26 change that came in through the
14060 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
14061 Avoid earlyclobber when possible.
14063 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14065 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
14067 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
14068 Define HAVE_ON_EXIT.
14070 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14072 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
14073 CTYPE_CONV in all ctype macros.
14075 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
14078 * cexp.y (initialize_random_junk): Likewise.
14080 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
14082 * i370.c (handle_pragma): Likewise.
14084 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
14086 * v850.c (override_options): Likewise.
14088 * doprint.c (_doprnt): Likewise.
14090 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
14093 * fixinc/server.c (load_data): Likewise.
14095 * fold-const.c (real_hex_to_f): Likewise.
14097 * genattr.c (write_upcase, gen_attr): Likewise.
14099 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
14100 write_upcase): Likewise.
14102 * genemit.c (print_code): Likewise.
14104 * genopinit.c (gen_insn): Likewise.
14106 * genpeep.c (print_code): Likewise.
14108 * genrecog.c (print_code): Likewise.
14110 * optabs.c (init_libfuncs): Likewise.
14112 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
14114 * haifa-sched.c (sched_analyze): Keep the list of notes organized
14116 (reemit_notes): Likewise.
14118 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
14120 * ggc.h (ggc_root): Move to ggc-common.c.
14122 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
14123 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
14124 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
14125 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
14126 * ggc-common.c (ggc_root): Move from ggc.h.
14127 (roots): Declare, static.
14128 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
14129 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
14130 null or check/set mark bit.
14131 (ggc_mark_roots): New.
14132 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
14134 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
14136 * m32r.c: Include toplev.h.
14137 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
14138 (gen_compare): Rename swap_p to must_swap to match uses.
14139 Add default abort case.
14140 (m32r_output_function_epilogue): Remove unused variables.
14141 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
14142 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
14143 define to empty parameter list. Update all uses.
14144 (predicate decls): Use enum machine_mode not int.
14145 * m32r.md (movsi): Call abort, not fatal_insn.
14146 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
14148 1999-09-14 Andrew Haley <aph@cygnus.com>
14150 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
14151 use $0 instead of 0.
14153 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14155 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
14156 computation out of loop over hard regs.
14158 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
14160 * function.c (identify_blocks): Don't shadow a variable in an
14162 * integrate.c (integrate_decl_tree): Don't use pushlevel,
14163 pushdecl, or poplevel to build up the new BLOCK tree.
14164 (expand_inline_function): Likewise.
14165 (integrate_parm_decls): Likewise.
14167 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
14169 * c-typeck.c (qualify_type): Merge qualifiers from both types.
14171 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
14173 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
14174 * invoke.texi: Document this change.
14176 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
14178 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
14180 (mark_emit_status): Renamed from mark_emit_state.
14181 * except.c (mark_eh_status): Renamed from mark_eh_state.
14182 Check not null before marking.
14183 (free_eh_status): New.
14184 * expr.c (mark_expr_status, free_expr_status): New.
14185 * function.c (free_machine_status): New.
14186 (free_after_parsing): New.
14187 (free_after_compilation): Move bits to free_after_parsing; call
14188 free_eh_status, free_expr_status; zero the marked members of the
14190 (prepare_function_start): No can_garbage_collect.
14191 Call init_eh_for_function.
14192 (expand_dummy_function_end): Free up current_function state.
14193 (mark_function_status): Renamed from mark_function_state.
14194 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
14195 * function.h (struct function): No can_garbage_collect.
14196 (free_machine_status, free_after_parsing): Declare.
14197 (free_eh_status, free_expr_status): Declare.
14198 * ggc.h (mark_expr_status): Declare.
14199 * stmt.c (free_stmt_status): Free the struct.
14200 (mark_stmt_status): Renamed from mark_stmt_state.
14201 (init_stmt): Don't call init_eh.
14202 (init_stmt_for_function): Don't call init_eh_for_function.
14203 * toplev.c (compile_file): Call init_eh.
14204 (rest_of_compilation): Free basic block info before ggc_collect.
14205 Call free_after_parsing; conditionally call free_after_compilation.
14206 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
14207 Check not null before marking.
14208 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
14210 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
14212 * c-lex.c (yylex): Initialize warn.
14214 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
14216 * pa.c (emit_move_sequence): Properly set the mode of the scratch
14217 register when performing secondary reloads for the SAR register.
14219 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
14221 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
14222 (NOTE_BLOCK): New macro.
14223 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
14224 * function.h (identify_blocks): Change prototype.
14225 * function.c (identify_blocks): Simplify.
14226 (reorder_blocks): Likewise.
14227 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
14228 NOTE_INSN_BLOCK_{BEG,END}.
14229 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
14230 the list of saved notes if the note isn't a
14231 NOTE_INSN_BLOCK_{BEG,END}.
14232 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
14234 (reemit_notes): Adjust recreation of notes to reflect new saved
14236 * print-rtl.c (print_rtx): Print the address of the BLOCK when
14237 printing a block note.
14238 * stmt.c (block_vector): Remove.
14239 (find_loop_tree_blocks): Simplify.
14240 (unroll_block_trees): Likewise.
14241 * tree.h (reorder_block): Change prototype.
14243 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
14245 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
14246 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
14247 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
14248 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
14249 (atexit, exit): Simplify.
14250 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
14251 * config/lots: Remove defns of HAVE_ATEXIT.
14253 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
14255 * calls.c (precompute_arguments): Fix typo in comment.
14256 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
14259 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
14261 * dsp16xx.c (override_options): Fix typos in GC root registration.
14263 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
14265 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
14266 from config/svr4.h.
14267 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
14268 (FUNCTION_PROFILER): Redefine appropriately for Linux.
14269 (CC1_SPEC): Likewise.
14271 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14273 * genattr.c (main): Add extern prototype. Call return, not exit.
14274 * genattrtab.c (main): Likewise.
14275 * gencheck.c (main): Likewise.
14276 * gencodes.c (main): Likewise.
14277 * genconfig.c (main): Likewise.
14278 * genemit.c (main): Likewise.
14279 * genextract.c (main): Likewise.
14280 * genflags.c (main): Likewise.
14281 * gengenrtl.c (main): Likewise.
14282 * genopinit.c (main): Likewise.
14283 * genoutput.c (main): Likewise.
14284 * genpeep.c (main): Likewise.
14285 * genrecog.c (main): Likewise.
14287 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
14288 * genattrtab.c (get_insn_name): Likewise.
14289 * gencodes.c (get_insn_name): Likewise.
14290 * genconfig.c (get_insn_name): Likewise.
14291 * genemit.c (get_insn_name): Likewise.
14292 * genextract.c (get_insn_name): Likewise.
14293 * genflags.c (get_insn_name): Likewise.
14294 * genopinit.c (get_insn_name): Likewise.
14295 * genpeep.c (get_insn_name): Likewise.
14297 * gencheck.c (usage): Add static prototype.
14298 * genextract.c (print_path): Constify a char*.
14299 * genopinit.c (optabs): Likewise.
14300 * genoutput.c (operand_data, data, output_predicate_decls,
14301 compare_operands): Likewise.
14302 * genrecog.c (write_tree): Add default case in switch.
14304 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14306 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
14308 * print-rtl.c (get_insn_name): Remove prototype.
14310 * toplev.h (progname): Declare const.
14312 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
14313 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
14314 dump_sched_info, dump_local_alloc, regset_release_memory,
14315 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
14316 error_with_file_and_line, error_with_decl, error_for_asm, error,
14317 fatal, warning_with_file_and_line, warning_with_decl, warning,
14318 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
14319 Remove redundant prototypes.
14321 (notice, check_lang_option, report_file_and_line, vnotice,
14322 mark_file_stack): Add static prototype.
14323 (set_fatal_function): Add prototype.
14324 (vnotice, report_file_and_line, set_fatal_function,
14325 check_lang_option): Constify a char*.
14326 (main): Prototype. Call return, not exit.
14328 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14330 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
14332 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
14334 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
14336 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
14338 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14340 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
14341 behave as if it's zero in all cases.
14342 (expand_function_start): Adjust call to assign_parms.
14343 * tree.h (assign_parms): Adjust prototype.
14344 * objc/objc-act.c (hack_method_prototype): Adjust call to
14347 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
14349 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
14350 arg_pointer_rtx fixed if the argument pointer register is
14352 (NONZERO_BASE_PLUS_P): Likewise.
14354 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
14356 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
14357 match_insn2 to match_insn.
14358 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
14360 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
14362 * Makefile.in (USER_H): Remove va-foo.h.
14364 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
14365 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
14366 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
14367 va-spur.h,va-v850.h}: Remove.
14369 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
14371 * sparc/sparc.md (eligible_for_return_delay): New attribute.
14372 (in_return_delay): Use it instead of match_insn.
14374 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14376 * config/alpha/va_list.h (va-alpha.h): Do not include.
14377 (__gnuc_va_list): Typedef as in varargs.h.
14379 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
14381 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
14382 DECL_LIVE_RANGE_RTL.
14384 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
14386 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
14387 not NOTE_BLOCK_NUMBER.
14388 (expand_eh_region_end): Likewise.
14389 (find_exception_handler_labels): Likewise.
14390 (scan_region): Likewise.
14391 (exception_optimize): Likewise.
14392 (update_rethrow_references): Likewise.
14393 (set_insn_eh_region): Likewise.
14394 * final.c (final_scan_insn): Likewise.
14395 * flow.c (make_edges): Likewise.
14396 * integrate.c (expand_inline_function): Likewise.
14397 * print-rtl.c (print_rtx): Likewise.
14399 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
14401 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
14402 terms of builtin functions and types.
14404 * mips.c (mips_build_va_list): New.
14405 (mips_va_start, mips_va_arg): New.
14406 * mips.h (BUILD_VA_LIST_TYPE): New.
14407 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14409 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
14410 (sh_build_va_list, sh_va_start, sh_va_arg): New.
14411 * sh.h (BUILD_VA_LIST_TYPE): New.
14412 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14414 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
14416 * recog.h (struct recog_data): Make dup_num, operand_address_p,
14417 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
14418 (struct insn_data): Likewise with n_operands, n_dups,
14419 n_alternatives, output_format.
14420 * regclass.c (scan_one_insn): Cast n_operands to int before
14421 arithmetic inside comparison.
14423 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
14425 * toplev.c (compile_function): Unconditionally emit nop.
14427 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14429 * haifa-sched.c (actual_hazard): Move declaration of variable
14430 `this_cost' into the scope where it is used.
14432 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14434 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
14435 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
14436 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
14438 * genrecog.c (make_insn_sequence): Call memset, not bzero.
14440 * jump.c (find_insert_position): Don't declare or define unless
14441 !HAVE_conditional_arithmetic.
14442 (returnjump_p_1, delete_prior_computation): Add static prototypes.
14444 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
14446 * recog.c (offsettable_address_p): Prototype function pointer.
14447 (preprocess_constraints): Call memset, not bzero.
14449 * tree.c (tree_node_kind_names): Constify a char*. Make static.
14450 (gcc_obstack_init): Don't declare.
14451 (fix_sizetype): Add static prototype.
14452 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
14453 (tree_cons): Call memset, not bzero.
14455 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
14456 definition in macro ASM_WEAKEN_LABEL.
14457 (mark_const_hash_entry): Add static prototype.
14459 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14461 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
14463 * unroll.c (find_common_reg_term, subtract_reg_term,
14464 loop_find_equiv_value): Add static prototypes.
14465 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
14466 (copy_loop_body): Remove unreachable break statement.
14468 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
14470 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
14472 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14474 Undo some changes from the gcc2 merge:
14475 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
14476 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
14480 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
14481 * emit-rtl.c (gen_lowpart_common): Disable optimization of
14482 initialized float-int union if the value is a NaN.
14484 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
14486 * gthr-win32.h: New file.
14488 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
14489 shared as a valid attribute.
14490 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
14491 * extend.texi: Document `shared' variable attribute.
14493 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
14495 * configure.in: Handle --enable-threads on FreeBSD.
14496 * configure: Rebuit.
14498 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14500 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
14502 * configure: Rebuilt.
14504 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
14505 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
14506 Rosimildo DaSilva <rdasilva@connecttel.com>
14508 * configure.in (m68k-*-rtemscoff*): Added.
14509 * configure.in (mips64orion-*-rtems*): Converted to ELF.
14510 * configure.in (sparc-*-rtemsaout*): Added as alias for old
14511 sparc-rtems configuration.
14512 * configure.in (sparc-*-rtemself*): Added.
14513 * configure.in (sparc-*-rtems*): Now ELF not a.out.
14514 * config/i386/rtems.h: Added comment.
14515 * config/sparc/rtemself.h: New file.
14517 * configure.in (m68k-rtemself): Added.
14518 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
14519 and DWARF_DEBUGGING_INFO.
14520 * config/m68k/crti.s: New file.
14521 * config/m68k/crtn.s: New file.
14522 * config/m68k/t-crtstuff: New file.
14523 * config/m68k/rtemself.h: New file.
14525 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
14526 global ctor/dtor and C++ exception handling.
14527 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
14528 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
14530 * config/i386/t-rtems-i386: New File.
14532 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
14534 * stmt.c (expand_end_case): Return right away if the case stack is
14537 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
14539 * Makefile.in (version.c): Remove rule incorrectly brought in from
14542 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14544 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14545 * msdos/top.sed: Take into account a prepended $(SHELL) to
14547 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14549 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14551 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14553 * regmove.c (fixup_match_1): Don't change an unchanging register.
14554 (stable_but_for_p): Renamed to:
14555 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14556 Changed all callers.
14558 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14560 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14561 insn from BL2 is after the insn from BL.
14563 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14565 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14566 (struct insn_data): Merge `template' and `outfun' into `output'.
14567 Add `output_format'.
14568 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14569 (struct data): Remove `outfun'; add `output_format'.
14570 (name_for_index): Remove declaration.
14571 (output_insn_data): Handle output formats.
14572 (process_template): Emit the bare array for @.
14573 (gen_expand, gen_split): Set output_format to NONE.
14574 * output.h (get_insn_template): Declare.
14575 * final.c (get_insn_template): New.
14576 (final_scan_insn): Use it.
14577 * toplev.c (compile_file): Likewise.
14579 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14580 * i860/i860.c (output_delayed_branch): Likewise.
14581 (output_delay_insn): Likewise.
14583 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14585 * rtl.c (obstack_alloc_rtx): Removed.
14587 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14589 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14591 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14593 * i386.c (call_insn_operand): Reject const_int.
14594 (expander_call_insn_operand): Use call_insn_operand.
14596 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14598 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14600 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14602 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14603 Use DImode operation.
14605 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14607 * gcc.c: Include sys/resource.h.
14608 (report_times): New flag.
14609 (execute): If report_times is set, calculate and report the
14610 CPU time consumed by each subprocess.
14612 (rus, prus): New globals.
14613 (option_map): Add --time.
14614 (display_help): Document -time.
14615 (process_command): Set report_times if -time is given.
14616 Turn off -pipe if -time is given.
14618 * invoke.texi: Document new option -time.
14620 * configure.in: Check for getrusage. Check if we have to
14621 prototype getrusage.
14622 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14623 * configure: Regenerate.
14624 * config.in: Regenerate.
14626 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14628 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14631 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14633 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14634 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14635 (nan): Return _thenan_sf or _thenan_df as appropriate.
14636 (L_thenan_sf): Define _thenan_sf.
14637 (L_thenan_df): Define _thenan_df.
14639 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14640 (DPBIT_FUNCS): Add _thenan_df.
14642 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14644 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14647 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14649 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14652 (lang_specific_driver): Don't take a function pointer parameter.
14653 All callers changed.
14655 * gcc.c: Include gcc.h.
14656 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14657 lang_specific_extra_outfiles, fatal): Don't declare.
14658 (multilib_defaults_raw): Constify.
14659 (read_specs): Call memset, rather than bzero.
14660 (main): Call return, not exit.
14661 (lookup_compiler): Call memcpy, not bcopy.
14662 (fatal): Make extern.
14664 * cppspec.c: Include gcc.h.
14665 (lang_specific_driver): Initialize variable `quote'. Constify a
14666 char*. All calls to the function pointer parameter now
14667 explicitly call `fatal'.
14669 * gccspec.c (lang_specific_driver): Include gcc.h.
14671 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14673 * arm.c (note_invalid_constants): Use recog_data.operand_type
14676 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14678 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14681 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14682 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14683 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14684 reload_secondary_in_reload, reload_secondary_out_reload,
14685 reload_secondary_in_icode, reload_secondary_out_icode,
14686 reload_reg_rtx, reload_when_needed): Delete declarations.
14687 (struct reload): New structure.
14688 (rld): Declare new array.
14689 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14690 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14691 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14692 reload_secondary_in_reload, reload_secondary_out_reload,
14693 reload_secondary_in_icode, reload_secondary_out_icode,
14694 reload_reg_rtx, reload_when_needed): Delete definitions.
14696 (whole file): Replace uses of the deleted arrays with uses of rld.
14697 * reload1.c (whole file): Replace uses of the deleted arrays with
14699 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14700 explicit loops, not with bcopy.
14702 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14704 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14705 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14706 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14707 insn_name): Delete and consolidate into new structures.
14708 (insn_operand_predicate_fn): New.
14709 (insn_output_fn): New.
14710 (insn_gen_fn): New.
14711 (struct insn_operand_data): New.
14712 (struct insn_data): New.
14714 (OUT_FCN): Update for insn_data change.
14715 * builtins.c (expand_builtin_strlen): Likewise.
14716 (expand_builtin_memcmp): Likewise.
14717 * combine.c (make_extraction, simplify_comparison): Likewise.
14718 * cse.c (canon_reg, cse_insn): Likewise.
14719 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14720 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14721 (emit_store_flag): Likewise.
14722 * expr.c (convert_move, emit_block_move): Likewise.
14723 (clear_storage, emit_push_insn, expand_increment): Likewise.
14724 (do_store_flag): Likewise.
14725 * expr.h (GEN_FCN): Likewise.
14726 (insn_gen_function): Die.
14727 * final.c (final_scan_insn): Update for insn_data change.
14728 (output_asm_name): Likewise.
14729 * function.c (fixup_var_refs_1): Likewise.
14730 * loop.c (check_dbra_loop): Likewise.
14731 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14732 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14733 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14734 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14735 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14736 * regmove.c (gen_add3_insn): Likewise.
14737 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14738 (find_reloads, find_reloads_address_1): Likewise.
14739 (debug_reload_to_stream): Likewise.
14740 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14741 * stmt.c (expand_end_case): Likewise.
14742 * toplev.c (compile_file): Likewise.
14744 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14745 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14747 * print-rtl.c (insn_name_ptr): Remove declaration.
14748 (get_insn_name): Declare.
14749 (print_rtx): Use it.
14750 * genoutput.c (insn_name_ptr): Remove.
14751 (next_operand_number): New.
14752 (struct operand_data): New.
14753 (null_operand, odata, odata_end): New.
14754 (struct data): Use struct operand_data.
14755 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14756 (get_insn_name): Renamed from name_for_index.
14757 (output_prologue): Define NO_MD_PROTOTYPES.
14758 (output_predicate_decls): Break out from output_epilogue.
14759 Iterate over the operands list.
14760 (output_operand_data): Break out from output_epilogue. Emit
14761 just the operands list.
14762 (output_insn_data): Break out from output_epilogue. Emit just
14764 (output_epilogue): Remove.
14765 (output_get_insn_name): New.
14766 (constraints, op_n_alternatives, predicates, address_p): Die.
14767 (modes, strict_low, seen): Die.
14768 (scan_operands): Take new param `d' instead of writing to
14769 seven global variables.
14770 (compare_operands): New.
14771 (place_operands): New.
14772 (validate_insn_alternatives): Update for struct data change.
14773 (gen_insn): Don't zero or copy 7 global arrays. Update for
14774 scan_operands; call place_operands.
14775 (gen_peephole, gen_expand, gen_split): Likewise.
14776 (main): Update for new output routines.
14778 * genattr.c (insn_name_ptr): Remove.
14779 (get_insn_name): New function.
14780 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14781 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14782 * genrecog.c: Likewise.
14784 * alpha.md (adddi3): Make `pattern' array static.
14786 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14788 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14789 c4x_cpu_version_string): Constify char *.
14790 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14791 c4x_cpu_version_string): Likewise.
14793 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14795 * tree.c (save_tree_status): Revert 10 Sep change.
14796 (restore_tree_status): Likewise. Call obstack_free with NULL
14797 before freeing the obstack proper.
14799 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14801 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14803 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14804 surrounding context.
14806 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14808 * tree.c (type_hash_canon): Put all types in the hash-table, when
14811 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14813 * recog.h (struct recog_data, recog_data): New.
14814 (recog_foo variables): Kill.
14815 * recog.c (recog_operand, recog_operand_loc): Kill.
14816 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14817 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14818 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14819 (recog_data): Define.
14820 (extract_insn): Update all recog_foo references to use recog_data.
14821 (preprocess_constraints, constrain_operands): Likewise.
14822 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14823 * genattrtab.c (main): Likewise.
14824 * genextract.c (main): Likewise.
14825 * genoutput.c: Likewise.
14826 * genrecog.c (write_subroutine, main): Likewise.
14827 * local-alloc.c (block_alloc): Likewise.
14828 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14829 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14830 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14831 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14832 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14833 (reload_cse_simplify_operands): Likewise.
14835 * arc/arc.c (arc_final_prescan_insn): Likewise.
14836 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14837 * h8300/h8300.c (notice_update_cc): Likewise.
14838 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14839 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14840 * mn10200/mn10200.c (notice_update_cc): Likewise.
14841 * mn10300/mn10300.c (notice_update_cc): Likewise.
14842 * romp/romp.c (update_cc): Likewise.
14843 * sparc/sparc.c (check_pic): Likewise.
14844 * v850/v850.c (notice_update_cc): Likewise.
14846 * genemit.c (main): Don't declare recog_operand.
14848 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14850 * ggc.h (rtvec_def): Forward declare.
14851 (tree_node): Likewise.
14852 (ggc_root): Define.
14854 (ggc_set_mark_rtx): Add prototype.
14855 (ggc_set_mark_rtvec): Likewise.
14856 (ggc_set_mark_tree): Likewise.
14857 * ggc-simple.c (ggc_root): Don't define.
14858 (roots): Don't declare.
14859 (ggc_mark_rtx): Remove.
14860 (ggc_mark_rtvec): Likewise.
14861 (ggc_mark_tree): Likewise.
14862 (ggc_mark_varray): Likewise.
14863 (ggc_mark_tree_hash_table_entry): Likewise.
14864 (ggc_mark_tree_hash_table): Likewise.
14865 (ggc_set_mart_rtx): New function.
14866 (ggc_set_mark_rtvec): Likewise.
14867 (ggc_set_mark_tree): Likewise.
14868 (ggc_add_root): Remove.
14869 (ggc_add_rtx_root): Likewise.
14870 (ggc_remove_tree_root): Likewise.
14871 (ggc_add_string_root): Likewise.
14872 (ggc_add_tree_varray_root): Likewise.
14873 (ggc_add_tree_hash_table_root): Likewise.
14874 (ggc_del_root): Likewise.
14875 (ggc_mark_rtx_ptr): Likewise.
14876 (ggc_mark_tree_ptr): Likewise.
14877 (ggc_mark_string_ptr): Likewise.
14878 (ggc_mark_tree_varray_ptr): Likewise.
14879 (ggc_mark_tree_hash_table_ptr): Likewise.
14880 * ggc-common.c: New file.
14881 * Makefile.in (OBJS): Add ggc-common.o.
14882 (ggc-common.o): List dependencies.
14884 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14886 * cppalloc.c (xstrdup): Use memcpy.
14887 * cpperror.c (cpp_print_containing_files): Don't use
14889 * cpplib.c (conditional_skip): Set temp->lineno.
14890 (do_endif): Make error message less obscure.
14891 (if_directive_name): New function.
14892 (cpp_get_token [case EOF]): Unwind the if stack and generate
14893 error messages for each unterminated conditional in this file.
14894 (parse_string): Do not behave differently if -traditional.
14896 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14898 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14899 va_list decomposing to pointer-type.
14900 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14901 (rs6000_va_arg): Likewise.
14903 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14905 * except.c (start_dynamic_handler): Compute size using
14906 STACK_SAVEAREA_MODE.
14908 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14910 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14911 include directory headers. Don't define strrchr. Don't provide
14912 my_* replacement functions. Prefer PTR over `pointer_type'.
14913 Don't prototype system functions. Don't redefine getopt.
14915 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14916 safe_read, safe_write, save_pointers, restore_pointers,
14917 is_id_char, in_system_include_dir, directory_specified_p,
14918 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14919 find_corresponding_lparen, referenced_file_is_newer,
14920 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14921 process_aux_info_file, identify_lineno, check_source,
14922 seek_to_line, forward_to_next_token_char, output_bytes,
14923 output_string, output_up_to, other_variable_style_function,
14924 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14925 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14926 find_static_definition, connect_defs_and_decs, add_local_decl,
14927 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14928 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14929 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14930 scan_for_missed_items, edit_file, string_list_cons): Add static
14932 (standard_exec_prefix, target_machine, target_version,
14933 default_syscalls_dir, string_list, string_list_cons, find_file,
14934 do_cleaning): Constify a char*.
14935 (safe_read, safe_write): Use PTR, not a char*.
14936 (is_id_char): Take an int, not a char.
14937 (main): Add prototype. Call return, not exit.
14939 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14941 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14942 when comparing types.
14944 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14946 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14947 (strength_reduce): Release the varrays from the no-bivs early exit.
14949 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14950 the loop over the registers.
14952 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14954 (restore_tree_status): Check that instead when freeing the obstack.
14956 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14958 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14961 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14963 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14964 operand size modifiers.
14966 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14968 * c-common.c (c_common_nodes_and_builtins): Don't build
14970 * c-common.h (enum c_tree_index and related accesor macros): Remove
14971 everything now declared in tree.h.
14972 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14973 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14974 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14975 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14976 unsigned_type_node, ptr_type_node, va_list_type_node,
14977 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14978 (init_decl_processing): Call build_common_tree_nodes and
14979 build_common_tree_nodes_2 instead of building their nodes here.
14980 Don't add roots for these nodes.
14981 * stor-layout.c (size_zero_node, size_one_node): Delete.
14982 (set_sizetype): Make a new node for bitsizetype each time.
14983 * tree.c (global_trees): New variable.
14984 (init_obstacks): Add a gc root for it.
14985 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14986 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14987 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14988 (build_common_tree_nodes): New function.
14989 (fix_sizetype): New function.
14990 (build_common_tree_nodes_2): New function.
14991 * tree.h (enum tree_index): New.
14992 (global_trees): Declare.
14993 Add accessor macros for all nodes now moved to global_trees.
14994 Delete their declarations.
14996 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14998 * c-decl.c (finish_function): When processing a nested function,
14999 push and pop GC context around rest_of_compilation.
15001 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
15003 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
15004 Default ix86_arch to PROCESSOR_I386.
15005 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
15006 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
15007 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
15008 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
15009 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
15010 (EXTRA_SPECS): Remove deleted specs.
15012 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
15014 * function.c (assign_stack_local_1): Allocate from
15015 function->x_frame_offset, not frame_offset.
15017 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
15019 * ggc.h (lang_cleanup_tree): Remove.
15020 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
15021 * ggc-callbacks.c (lang_cleanup_tree): Remove.
15023 * c-decl.c (finish_struct): Use ggc_alloc to allocate
15024 TYPE_LANG_SPECIFIC when garbage collecting.
15025 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
15026 (lang_cleanup_tree): Remove.
15028 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15030 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
15031 * crtstuff.c: Not here.
15032 * dwarf2out.c: Or here.
15033 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
15036 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
15038 * function.h (free_after_compilation): Remove decl parameter.
15039 (free_varasm_status0: Likewise.
15040 (free_emit_status): Likewise.
15041 (free_stmt_status): Likewise.
15042 (free_after_compilation): Likewise.
15043 (init_lang_status): New variable.
15044 (free_lang_status): Likewise.
15045 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
15046 * function.c (init_lang_status): New variable.
15047 (free_lang_status): Likewise.
15048 (push_function_context_to): Don't set function::decl here.
15049 (free_after_copmilation): Make decl parameter implicit. Call
15050 free_lang_status if defined.
15051 (prepare_function_start): Call init_lang_status if defined.
15052 (init_function_start): Set function::decl here.
15053 * profile.c (output_func_start_profiler): Don't call pushdecl
15054 until we've actually started the function.
15055 * stmt.c (free_stmt_status): Make decl parameter implicit.
15056 * toplev.c (rest_of_compilation): Don't pass decl to
15057 free_after_compilation.
15058 * varasm.c (free_varasm_status): Likewise.
15060 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15062 * except.c (call_get_eh_context): Add root when allocating static
15065 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
15067 * arm.c: Include "ggc.h".
15068 (arm_add_gc_roots): New function.
15069 (arm_override_options): Call it.
15070 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
15072 * arm.md (define_asm_attributes): Add a pool_range attribute.
15074 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
15076 * extend.texi (Volatiles): New node.
15078 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
15080 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
15081 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
15082 (struct ggc_any): Replace `mark' with `magic_mark'.
15083 (ggc_alloc_string): Use memcpy, not bcopy.
15084 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
15085 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
15086 (ggc_free_any): New.
15087 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
15088 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
15089 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
15090 Use IS_MARKED. Use ggc_free_any.
15092 1999-09-09 Scott Bambrough <scottb@netwinder.org>
15094 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
15096 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
15098 * toplev.c (main): Always init_ggc.
15100 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
15102 * except.c (find_all_handler_type_matches): Free the list if
15103 we found no matches.
15105 * combine.c (SUBST): Break out to a real function do_SUBST.
15106 (SUBST_INT): Likewise.
15107 * gcse.c (free_pre_mem): Free `temp_bitmap'.
15108 (pre_insert): Free `inserted'.
15109 * loop.c (basic_induction_var): Always set `location'.
15111 * function.c (expand_function_end): Add initial_trampoline as a root.
15112 * rtl.h (init_varasm_once): Declare.
15113 * toplev.c (compile_file): Call it.
15114 * ggc-simple.c (ggc_mark_string_ptr): New.
15115 (ggc_add_string_root): New.
15116 (ggc_collect): Disable collection avoidance temporarily.
15117 * ggc.h (ggc_add_string_root): Declare.
15118 * except.c (create_rethrow_ref): Use ggc_alloc_string.
15119 * optabs.c (init_libfuncs): Likewise.
15120 * varasm.c (named_section): Use ggc_alloc_string.
15121 (make_function_rtl): Likewise.
15122 (make_decl_rtl): Likewise.
15123 (assemble_static_space): Likewise.
15124 (assemble_trampoline_template): Likewise.
15125 (output_constant_def): Likewise.
15126 (force_const_mem): Likewise.
15127 (mark_const_hash_entry): New.
15128 (mark_pool_sym_hash_table): New.
15129 (mark_varasm_state): Use it.
15130 (init_varasm_once): New.
15132 * expr.h (init_one_libfunc): Declare.
15133 * optabs.c (init_one_libfunc): New.
15134 (init_optabs): Use it.
15135 * config/gofast.h: Likewise.
15136 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
15137 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
15139 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15141 * Makefile.in (cppexp.o): Depend on cpphash.h.
15142 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
15144 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
15145 * cpplib.c (do_define): Generalise to handle poisoned definitions,
15146 redefining poisoned identifiers, etc.
15147 (do_undef): Don't allow poisoned identifiers to be undefined.
15148 (do_pragma): Add #pragma poison.
15149 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
15151 * cccp.c: Add T_POISON node type.
15152 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
15154 (do_define): Generalise to handle poisoned definitions,
15155 redefining poisoned identifiers, etc.
15156 (do_undef): Don't allow poisoned identifiers to be undefined.
15157 (do_pragma): Add #pragma poison.
15158 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
15160 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
15161 * c-pragma.h: Add ps_poison state. We now always have generic
15164 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
15166 * ggc.h (ggc_alloc): New function.
15167 (ggc_mark): Likewise.
15168 * ggc-simple.c (ggc_any): New structure.
15169 (ggc_status): Add anys.
15170 (n_anys_collected): New variable.
15171 (ggc_alloc): Define.
15172 (ggc_mark): Likewise.
15173 (ggc_collect): Collect the anys.
15175 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15177 * c-decl.c (mark_binding_level): Make static to match prototype.
15179 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
15181 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
15183 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
15185 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
15186 will use into account. Expand the max width to 5.
15189 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
15191 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
15192 for the rtx length.
15194 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
15196 * alpha.md (call value patterns): Remove the result predicates.
15198 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
15200 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
15203 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15205 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
15206 changed from extern char *, to extern PTR. Also fix typo in
15207 NEED_DECLARATION_REALLOC test.
15209 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
15211 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15213 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
15214 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
15215 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
15216 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
15218 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
15220 * cccp.c (pcfinclude): Likewise.
15222 * global.c (allocno_compare): Likewise.
15224 * haifa-sched.c (rank_for_schedule): Likewise.
15226 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
15228 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
15230 * stupid.c (stupid_reg_compare): Likewise.
15232 * tree.c (_obstack_allocated_p): Likewise.
15234 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
15236 1999-09-08 Bruce Korb autogen@linuxbox.com
15238 * Makefile.in: Give the hapless gperf user a hint about
15239 why "gperf -F" fails.
15241 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
15243 * lists.c: Include ggc.h.
15245 (init_EXPR_INSN_LIST_cache): Install it.
15247 * ggc-simple.c (init_ggc): Absorb the old init.
15248 (ggc_push_context): Use xcalloc.
15249 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
15250 (ggc_collect): Add [rvts] tags to the collection stats.
15252 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
15254 * cccp.c (main): Fix handling of -include and -imacros options.
15256 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
15258 * cpplib.c (cpp_push_buffer): Fix order of arguments.
15260 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15262 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
15265 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15267 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
15268 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
15269 and SET_DEST. Update comment.
15271 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15273 * config/c4x/c4x.c: Include ggc.h.
15274 (c4x_add_gc_roots): New function.
15275 (c4x_override_options): Call c4x_add_gc_roots.
15277 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
15279 * defaults.h (TARGET_ESC): Move ...
15280 * system.h: ... here, where Linas had it in the first place. Silly me.
15282 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
15284 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
15285 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
15286 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
15287 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
15288 * defaults.h (TARGET_ESC): Add default.
15290 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
15292 * configure.in: add i370-*-openedition, i370-*-mvs and
15293 i370-*-linux targets
15295 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
15297 * dsp16xxx.c: Include ggc.h
15298 (override_options): Mark GC roots.
15299 * mn10200.c: Include ggc.h.
15300 (asm_file_start): Mark GC roots.
15301 * tahoe.c: Include ggc.h.
15302 (extensible_operand): Mark GC roots.
15304 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
15306 * README: Add section discussing status of ELF ABI.
15307 * i370.c: Fix misc spelling mistakes.
15308 (i370_label_scan): Updated notes, exception handling.
15309 (i370_function_prolog): Simplify ELF stack handling.
15310 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
15311 (STACK_GROWS_DOWNWARD): ELF stack grows down.
15312 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
15313 * i370.md: (movdi): Add notes.
15314 (floatsidf2): Use stack not rtca for scratch float area.
15315 (iorsi3): Correct operand constraints.
15316 * x-oe: Restore TAROUTOPTS which are used by pax.
15318 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
15320 * rs6000.c: Include ggc.h.
15321 (rs6000_add_gc_roots): New function.
15322 (override_options): Call it.
15324 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
15326 * alpha.h (alpha_compare): New.
15327 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
15328 * alpha.c: Likewise for the definitions.
15329 (alpha_emit_conditional_branch): Update for alpha_compare.
15330 (alpha_emit_conditional_move): Likewise.
15331 * alpha.md (cmpdf, cmpdi): Likewise.
15332 (setcc patterns): Likewise. Zero alpha_compare after use.
15333 (sne): Optimize (x != 0) into (0U < x).
15335 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
15337 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
15338 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
15339 (INIT_EXPANDERS): Remove.
15340 * alpha.c: Include ggc.h.
15341 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
15342 (alpha_init_machine_status, alpha_mark_machine_status): New.
15343 (override_options): Install them.
15344 (struct machine_function): Moved to alpha.h.
15345 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
15346 (alpha_init_expanders): Remove.
15347 (alpha_return_addr): Adjust to use current_function->machine.
15348 (alpha_ra_ever_killed): Likewise.
15349 (alpha_expand_epilogue): Likewise.
15350 * alpha.md (eh_epilogue): Likewise.
15352 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
15353 Melissa O'Neill <oneill@cs.sfu.ca>
15354 Geoffrey Keating <geoffk@cygnus.com>
15356 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
15357 call-used registers (call-saved registers must still be contiguous
15358 and end with r31, of course).
15360 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
15362 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
15363 (self_promoting_type_p): Delete.
15364 (self_promoting_args_p): Move ...
15365 * c-common.c: ... here.
15366 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
15367 (simple_type_promotes_to): New.
15368 * builtins.c (lang_type_promotes_to): New.
15369 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
15370 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
15371 * c-common.h: ... here.
15372 (self_promoting_args_p, simple_type_promotes_to): Declare.
15373 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
15374 (grokdeclarator): Likewise.
15375 * tree.h (lang_type_promotes_to): Declare.
15377 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
15379 Add some machine-dependent GC roots.
15380 * sparc.c: Include ggc.h.
15381 (sparc_add_gc_roots): New function.
15382 (mark_ultrasparc_pipeline_state): Likewise.
15383 (override_options): Call sparc_add_gc_roots.
15384 * pa.c: Include ggc.h.
15385 (pa_add_gc_roots): New function.
15386 (mark_deferred_plabels): Likewise.
15387 (override_options): Call pa_add_gc_roots.
15388 * mips.c: Include ggc.h.
15389 (mips_add_gc_roots): New function.
15390 (override_options): Use it.
15392 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15394 * cpperror.c (cpp_file_line_for_message): Constify a char*.
15396 * cppexp.c (parse_number, parse_charconst, cpp_lex,
15397 cpp_parse_expr): Add static prototypes.
15398 (parse_charconst): Don't cast away const-ness.
15399 (token): Constify a char*.
15401 * cppfiles.c (file_name_list, include_hash, find_include_file,
15402 finclude, initialize_input_buffer): Constify a char*.
15403 (file_cleanup, find_position): Add static prototypes.
15405 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
15406 collect_expansion): Add static prototypes.
15407 (cpp_install, create_definition, monthnames): Constify a char*.
15409 * cpphash.h (cpp_install): Likewise.
15411 * cppinit.c (known_suffixes, default_include,
15412 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
15413 (base_name, dump_special_to_buffer, initialize_dependency_output):
15414 Add static prototypes.
15416 * cpplib.c (my_strerror): Constify a char*.
15417 (null_underflow, null_cleanup, skip_comment, copy_comment,
15418 copy_rest_of_line, handle_directive, pass_thru_directive,
15419 get_directive_token, read_line_number, cpp_print_file_and_line,
15420 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
15421 v_cpp_warning_with_line, detect_if_not_defined,
15422 consider_directive_while_skipping): Add static prototypes.
15423 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
15424 cpp_pedwarn_with_file_and_line): Constify a char*.
15426 * cpplib.h (cpp_options, include_hash, progname, definition,
15427 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
15428 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
15429 find_include_file, deps_output, include_hash): Constify a char*.
15431 * cppmain.c (progname): Constify.
15432 (main): Add prototype. Use return, not exit.
15434 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
15435 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
15436 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
15437 check_protection): Add static prototype.
15439 (progname, recognized_macrom, recognized_extern): Constify a char*.
15440 (main): Add prototype.
15442 * gen-protos.c (progname): Constify a char*.
15444 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
15446 * emit-rtl.c (free_emit_status): Take decl as a parameter.
15447 (init_emit_once): Add more GC roots.
15448 * except.c (mark_func_eh_entry): New function.
15449 (mark_eh_node): Mark false_label and rethrow_label.
15450 (init_eh): Add more GC roots.
15451 * function.c (free_after_compilation): Take decl as a paramter.
15452 Call free_stmt_status.
15453 (mark_function_state): Don't assume x_parm_reg_stack_loc is
15455 * function.h (free_after_compilation): Change prototype.
15456 (free_varasm_status): Likewise.
15457 (free_emit_status): Likewise.
15458 (free_stmt_status): New function.
15459 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
15460 Remove, replacing with ...
15461 (ggc_status): New structure.
15462 (ggc_chain): New variable.
15463 (init_gcc): Define.
15464 (ggc_push_context): New function.
15465 (ggc_pop_context): Likewise.
15466 (ggc_alloc_rtx): Adjust for use of ggc_chain.
15467 (ggc_alloc_rtvec): Likewise.
15468 (ggc_alloc_tree): Likewise.
15469 (ggc_alloc_string): Likewise.
15470 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
15471 (ggc_mark_tree): Give language-dependent code a chance to mark
15473 (ggc_mark_tree_varray): Handle empty arrays.
15474 (ggc_collect): Adjust for use of ggc_chain. Clear
15475 bytes_alloced_since_last_gc.
15476 * ggc.h (ggc_pop_context): New function.
15477 (ggc_push_context): Likewise.
15478 * print-tree.c (print_node): Don't print obstacks when GC'ing.
15479 * stmt.c (free_stmt_status): New function.
15480 (init_stmt_for_function): Clear last_expr_value.
15481 * toplev.c (rest_of_compilation): Always call free_after_compilation.
15482 Conditionalize call to ggc_collect.
15483 (main): Call init_ggc.
15484 * tree.c (push_obstacks): Do the push, even when GC'ing.
15485 (push_obstacks_nochange): Likewise.
15486 (pop_obstacks): Liekwise.
15487 * varasm.c (free_varasm_status): Take decl as a parameter.
15489 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
15491 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
15492 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
15493 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
15494 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
15496 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
15498 * pa/x-pa-mpeix: New file for the MPE port.
15500 * pa/quadlib.asm: New file for long double support.
15502 * configure.in: Add hppa1.0-*-mpeix for MPE port.
15503 * configure: Rebuilt.
15505 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
15507 * final.c (shorten_branches): Fix last change.
15509 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
15511 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
15513 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
15515 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
15518 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15520 * c-aux-info.c (concat): Don't define.
15522 * cccp.c (my_strerror): Likewise. All callers changed to use
15524 (do_include): Call xstrdup, not xmalloc/strcpy.
15525 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
15526 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
15528 * collect2.c (my_strsignal): Likewise. All callers changed to use
15530 (locatelib): Call xstrdup, not xmalloc/strcpy.
15532 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
15534 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
15536 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
15538 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15540 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15542 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15544 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15546 (find_all_handler_type_matches): Likewise. Don't check return
15548 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15549 xmalloc, not malloc.
15550 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15552 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15553 (init_spec): Call xcalloc, not xmalloc/bzero.
15554 (set_spec): Call xstrdup, not save_string.
15555 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15556 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15557 (process_command): Call xstrdup, not save_string.
15558 (main): Call xcalloc, not xmalloc/bzero.
15560 * gcov.c (xmalloc): Don't define.
15561 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15562 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15563 (output_data): Call xcalloc, not xmalloc/bzero.
15565 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15567 * mips-tdump.c (xmalloc): Don't define.
15568 (print_symbol): Call xmalloc, not malloc.
15569 (read_tfile): Call xcalloc, not calloc.
15571 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15572 Don't define. All callers of xfree/my_strsignal changed to use
15573 free/strsignal instead.
15574 (allocate_cluster): Call xcalloc, not calloc.
15576 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15577 Fix memory leak, free allocated memory.
15579 * prefix.c (translate_name): Call xstrdup, not save_string.
15580 (update_path): Likewise.
15582 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15584 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15585 Don't define. Callers of xfree/savestring2 changed to use
15586 free/concat instead.
15588 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15589 (init_elim_table): Likewise.
15591 * resource.c (init_resource_info): Likewise.
15593 * stupid.c (stupid_life_analysis): Likewise.
15595 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15596 (open_dump_file): Call concat, not xmalloc/strcpy/...
15597 (clean_dump_file): Likewise.
15598 (compile_file): Call xstrdup, not xmalloc/strcpy.
15600 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15602 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15603 * v850.c (v850_va_arg): New.
15605 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15607 * haifa-sched.c: Tidy comments.
15609 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15611 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15612 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15613 $(out_object_file)): Depend on ggc.h.
15614 * c-common.c: Include "ggc.h".
15615 (combine_strings): If doing GC, use ggc_alloc_string.
15616 * c-decl.c: Include "ggc.h".
15617 (ggc_p): Define with value 0.
15618 (mark_binding_level): New function.
15619 (init_decl_processing): Add GC roots.
15620 (mark_c_function_context): New function.
15621 (lang_mark_false_label_stack): New function.
15622 (lang_mark_tree): New function.
15623 (lang_cleanup_tree): New function.
15624 * c-lang.c: Include "ggc.h".
15625 (lang_init): Call c_parse_init.
15626 * c-lex.c: Include "ggc.h".
15627 (check_linenum): If doing GC, don't copy filenames to permanent
15629 * c-parse.in: Include "ggc.h".
15630 (c_parse_init): New function.
15631 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15632 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15634 * except.c (mark_eh_state): Mark more state.
15635 * function.c (mark_function_state): Likewise.
15636 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15637 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15638 * toplev.c (mark_file_stack): New function.
15639 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15640 (main): Add root for input_file_stack.
15642 * i386.c: Include "ggc.h".
15643 (ix86_mark_machine_status): New function.
15644 (override_options): Set mark_machine_status.
15646 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15648 * tree.c (copy_node): Copy node contents also if doing GC.
15650 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15652 * collect2.c (scan_libraries): Fix double-thinko :-).
15654 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15656 * collect2.c (scan_libraries): Fix thinko.
15658 * cse.c (delete_trivially_dead_insns): Do not skip the last
15659 insn if it is a real insn.
15661 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15663 * Makefile.in (ggc-simple.o): Depend on hash.h.
15664 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15665 (ggc_mark_tree_varray): Likewise.
15666 (ggc_mark_tree_hash_table): Likewise.
15667 * ggc-simple.c: Include hash.h.
15668 (ggc_mark_tree_hash_table_ptr): New function.
15669 (ggc_mark_tree_hash_table_entry): Likewise.
15670 (ggc_mark_tree_hash_table): Likewise.
15671 (ggc_add_tree_hash_table_root): Likewise.
15672 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15673 rtx, when defining fields.
15675 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15677 * profile.c (output_func_start_profiler): Remove apparently
15678 nonsensical call to start_sequence.
15680 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15682 * clipper/clipper.c (clipper_va_start): Fix typos.
15684 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15685 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15686 (spur_va_arg): New stub.
15688 * configure.in: Comment out pyramid.
15690 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15692 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15693 don't conflict with the bits that win32, cygwin, and dgux
15696 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15697 Bernd Schmidt <bernds@cygnus.co.uk>
15699 * integrate.c (function_cannot_inline_p): Do not inline
15700 functions with forced labels.
15702 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15703 Bernd Schmidt <bernds@cygnus.co.uk>
15704 Mark Mitchell <mark@codesourcery.com>
15706 * Makefile.in (ggc-simple.o): Depend on varray.h.
15707 (rtl.o): Depend on ggc.h.
15708 (genattrtab.o): Depend on ggc.h.
15709 (print-tree.o): Likewise.
15710 (fold-const.o): Likewise.
15711 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15712 (make_insn_raw): Don't cache insns when GC'ing.
15713 (emit_insn_before): Likewise.
15714 (emit_insn_after): Likewise.
15715 (emit_insn): Likewise.
15716 (start_sequence): Use xmalloc to allocate the sequence_stack.
15717 (end_sequence): Add free to free it.
15718 (gen_sequence): Don't cache insns when GC'ing.
15719 (clear_emit_caches): Don't use sequence_element_free_list.
15720 (init_emit): Use xcalloc, not xmalloc+bzero.
15721 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15722 * function.c (pop_function_context_from): Use free to free the
15723 fixup_var_refs_queue.
15724 (put_reg_into_stack): Allocate it with xmalloc.
15725 * genattrtab.c: Include ggc.h.
15726 (operate_exp): Don't use obstack_free when GC'ing.
15727 (simplify_cond): Likewise.
15728 (simplify_text_exp): Likewise.
15729 (optimize_attrs): Likewise.
15730 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15732 (gencode): Generate a #include for ggc.h.
15733 * ggc-callbacks.c (ggc_p): Define it to zero.
15734 * ggc-none.c (ggc_p): Likewise.
15735 * ggc-simple.c: Include varray.h.
15736 (ggc_mark_tree_varray): New function.
15737 (ggc_add_tree_varray_root): Likewise.
15738 (ggc_mark_tree_varray_ptr): Likewise.
15739 * ggc.h (ggc_p): Declare.
15740 (varray_head_tag): Likewise.
15741 (ggc_add_tree_varray_root): Declare.
15742 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15743 inconsistencies when GC'ing.
15744 * rtl.c: Include ggc.h.
15745 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15746 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15747 (rtx_free): Don't call obstack_free when GC'ing.
15748 * toplev.c (rest_of_compilation): Call ggc_collect after every
15750 * tree.c (push_obstacks): Do nothing, if GC'ing.
15751 (pop_obstacks_nochange): Likewise.
15752 (pop_obstacks): Likewise.
15753 (make_node): Use ggc_alloc_tree when GC'ing.
15754 (copy_node): Likewise.
15755 (get_identifier): Use ggc_alloc_string when GC'ing.
15756 (build_string): Likewise.
15757 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15758 (tree_cons): Likewise.
15759 (build1): Likewise.
15760 (type_hash_canon): Don't call obstack_free when GC'ing.
15762 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15764 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15765 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15767 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15768 Bernd Schmidt <bernds@cygnus.co.uk>
15769 Mark Mitchell <mark@codesourcery.com>
15771 * Makefile.in (stor-layout.o): Depend on ggc.h.
15772 (expr.o): Depend on ggc.h.
15773 (profile.o): Depend on ggc.h.
15774 (stor-layout.o): Depend on ggc.h.
15775 * emit-rtl.c (init_emit_once): Add gc roots.
15776 * expr.c: Include ggc.h.
15777 (emit_block_move): Add gc roots.
15778 (clear_storage): Likewise.
15779 * expr.h (init_stor_layout_once): New function.
15780 * profile.c: Include ggc.h.
15781 (init_arc_profiler): profiler_label is a root.
15782 * scan.c (make_sstring_space): Trust xrealloc to function
15783 correctly with first parameter NULL.
15784 * stor-layout.c: Include ggc.h.
15785 (set_sizetype): Add gc root.
15786 (init_stor_layout_once): New function.
15787 * toplev.c (compile_file): Call it.
15789 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15790 Bernd Schmidt <bernds@cygnus.co.uk>
15791 Mark Mitchell <mark@codesourcery.com>
15793 * Makefile.in (tree.o): Depend on ggc.h.
15794 (varasm.o): Likewise.
15795 (function.o): Likewise.
15796 (stmt.o): Likewise.
15797 (except.o): Likewise.
15798 (optabs.o): Likewise.
15799 (emit-rtl.o): Likewise.
15800 * emit-rtl.c: Include ggc.h.
15801 (sequence_element_free_list): Remove, and all references.
15802 (mark_sequence): New functions.
15803 (mark_emit_state): New function.
15804 * except.c: Include ggc.h.
15805 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15806 (mark_tree_label_node): New functions.
15807 (mark_eh_state): New function.
15808 * function.c: Include ggc.h.
15809 (mark_temp_slot, mark_function_chain): New functions.
15810 (mark_function_state): New function.
15811 (init_function_once): New function.
15812 * function.h (init_function_once): New function.
15813 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15814 * ggc.h (label_node): Declare.
15815 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15816 (lang_mark_false_label_stack): New function.
15817 (mark_temp_slot): Remove declaration.
15818 (mark_function_chain): Likewise.
15819 (mark_eh_state): Adjust prototype.
15820 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15822 * optabs.c: Include ggc.h.
15823 (mark_optab): New function.
15824 (init_optabs): Add gc roots.
15825 * stmt.c: Include ggc.h.
15826 (mark_cond_nesting, mark_loop_nesting): New functions.
15827 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15828 (mark_stmt_state): New function.
15829 * toplev.c (compile_file): Call init_function_once.
15830 * tree.c: Include ggc.h.
15831 (type_hash): Move declaration earlier in file.
15832 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15833 (init_obstacks): Add gc roots.
15834 (mark_type_hash): New function.
15835 * varasm.c: Include ggc.h.
15836 (mark_pool_constant): New function.
15837 (mark_varasm_state): New function.
15839 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15841 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15843 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15845 * c-decl.c (struct language_function): Renamed from struct c_function.
15847 (c_function_chain): Delete.
15848 (push_c_function_context): New arg F. Don't warn about nested
15849 functions here. Fill LANGUAGE elt of F. Delete code to update
15850 c_function_chain. Don't call push_function_context.
15851 (pop_c_function_context): New arg F. Restore from there instead of
15852 from c_function_chain. Don't call pop_function_context. Clear out
15853 LANGUAGE field of F when done.
15854 * c-lang.c: Include "function.h"
15855 (lang_init): Initialize save_lang_status and restore_lang_status.
15856 * c-parse.in (nested_function, nested_function_notype): Warn about
15857 nested functions. Call push_function_context/pop_function_context
15858 instead of the _c_ variants.
15859 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15861 * Makefile.in (c-lang.o): Update dependencies.
15863 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15864 regno_pointer_flag, regno_pointer_align.
15865 (gen_reg_rtx): Use xrealloc to enlarge them.
15866 (free_emit_status): New function.
15867 * function.c (mark_machine_status, mark_lang_status): New variables.
15868 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15869 in some bits from assign_stack_local. All callers changed to use new
15871 (assign_stack_local): Just call assign_stack_local_1.
15872 (free_after_compilation): New function.
15873 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15874 (trampoline_address): Likewise.
15875 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15876 (prepare_function_start): Explicitly clear some more variables.
15877 * function.h (struct function): New elt can_garbage_collect.
15878 (mark_machine_status, mark_lang_status): Declare variables.
15879 (free_after_compilation, free_emit_status, free_varasm_status,
15880 init_varasm_status): Declare functions.
15881 * toplev.c (rest_of_compilation): Call free_after_compilation when
15882 done with the current function.
15883 * varasm.c (free_varasm_status): New function.
15885 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15887 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15888 (EXPAND_BUILTIN_VA_ARG): Define.
15889 * sparc.c (sparc_va_start): New.
15890 (sparc_va_arg): New.
15892 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15894 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15896 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15898 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15900 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15902 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15903 (OBJS): Add $(GGC).
15904 (ggc-callbacks.o): New target.
15905 * ggc-callbacks.c: New file.
15907 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15909 * expr.h: Collapse individual optab and libfunc vars to arrays.
15910 (optab_index, libfunc_index): New enumerations.
15911 (optab_table, libfunc_table): New arrays.
15912 Add accessor macros for both.
15914 * optabs.c (optab_table, libfunc_table): New.
15915 Delete declarations for individual optab and libfunc vars.
15917 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15919 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15921 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15923 * Makefile.in (GGC, GGC_LIB): New.
15924 (HOST_RTL): Include ggc-none.o.
15925 (ggc-simple.o): New target.
15926 (ggc-none.o): Likewise.
15927 * tree.h (tree_common): Add gc_mark.
15928 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15929 (struct rtvec_def): Add gc_mark.
15930 * emit-rtl.c (global_rtl): Update static initializers to contain
15931 enough initializers.
15932 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15933 * toplev.c (gc_time): New variable.
15934 (all_time): New variable.
15935 (compile_file): Print gc time.
15936 (print_time): Calculate percentage of the whole.
15938 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15940 Change obstack memory management and varasm constant pool handling so
15941 that nested functions are treated like any other functions.
15942 * function.c (init_machine_status): New variable.
15943 (push_function_context_to): Set contains_functions for the outer
15944 function. Don't call save_varasm_status.
15945 (pop_function_context_from): Don't call restore_varasm_status. Don't
15946 set current_function_contains_functions.
15947 (prepare_function_start): Call init_varasm_status rather than
15948 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15950 * function.h (struct function) Add field varasm. Delete fields
15951 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15952 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15953 (init_machine_status): Declare.
15954 (save_varasm_status, restore_varasm_status): Delete declarations.
15955 (save_tree_status, restore_tree_status): Delete last argument.
15956 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15957 code. All callers changed.
15958 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15959 save_constants_in_decl_trees, restore_constants, save_constants,
15960 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15962 (inlining): New variable.
15963 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15964 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15966 (save_for_inline_nocopy): Don't save constants.
15967 Don't set inl_emit field in current_function.
15968 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15969 function. Set new variable inlining before
15970 calling copy_rtx_and_substitute.
15971 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15972 constant pool references if inlining is nonzero.
15973 Delete ADDRESS and (most of the) CONST cases.
15974 (output_inline_function): Save and restore current_function/
15975 current_function_decl. Delete restore_constants code. Don't call
15976 init_const_rtx_hash_table.
15977 * output.h (init_const_rtx_hash_table): Don't declare.
15978 * rtl.h (struct function): Declare.
15979 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15980 * toplev.c (rest_of_compilation): Don't treat nested functions or
15981 functions containing them specially. Delete all code to deal with
15982 save_for_inline_copying.
15983 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15984 inline_obstacks): Delete variables.
15985 (save_tree_status): Lose arg CONTEXT. All callers changed.
15986 Simply allocate a new function_maybepermanent_obstack for the new
15987 function, delete all the special cases.
15988 Don't save inline_obstacks.
15989 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15990 Delete special handling for function_maybepermanent_obstack; simply
15992 Don't restore inline_obstacks.
15993 (permanent_allocation): Delete code that frees inline_obstacks.
15994 (print_inline_obstack_statistics): Delete function.
15995 (dump_tree_statistics): Don't call it.
15996 * varasm.c (struct varasm_status): New.
15997 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15998 last_pool, pool_offset, const_double_chain): Delete global
15999 variables, replace with accessor macros.
16000 (immed_double_const): Don't walk const_double_chain outside a
16001 function, but don't treat nested functions specially anymore.
16002 (immed_real_const_1): Likewise.
16003 (clear_const_double_mem): Don't treat nested functions specially.
16004 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
16005 (save_varasm_status, restore_varasm_status): Delete functions.
16006 (init_varasm_status): New function.
16007 (force_const_mem): Don't treat nested functions specially.
16008 (find_pool_constant): Accept new arg F, search for constants in
16009 that function's pool rather than the current one. All callers
16011 (get_pool_constant_for_function, get_pool_mode_for_function): New
16014 * i386.c (init_386_machine_status): New function, mostly from
16015 clear_386_stack_locals.
16016 (struct machine_functions): Rename element names to avoid name
16018 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
16019 macros, replacing global variables.
16020 (clear_386_stack_locals, save_386_machine_status,
16021 restore_386_machine_status): Delete functions.
16022 (override_options): Initialize init_machine_status.
16023 * i386.h (INIT_EXPANDERS): Delete macro.
16024 (save_386_machine_status, restore_386_machine_status,
16025 clear_386_stack_locals): Delete declarations.
16027 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16029 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
16030 (doloop_begin): Simplify pattern and use emit_jump_insn.
16031 (doloop_end): Simplify pattern, switch operand order,
16032 and use emit_jump_insn.
16034 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
16036 * function.h (struct function): Add new element LANGUAGE.
16037 (save_lang_status): Declare new variable.
16038 (restore_lang_status): Likewise.
16039 * function.c (save_lang_status): Define.
16040 (restore_lang_status): Likewise.
16041 (push_function_context_to): Call language-specific save function.
16042 (pop_function_context_from): Call language-specific restore function.
16044 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16046 * i386.md (movsf_1): Check REG_P before use of REGNO.
16047 (movdf_1): Likewise.
16048 (movxf_1): Likewise.
16049 (extendsfdf2): Likewise.
16050 (extendsfxf2): Likewise.
16051 (extenddfxf2): Likewise.
16053 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16055 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
16056 constants into memory.
16057 (c4x_shiftable_constant): New function.
16058 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
16059 (c4x_shiftable_constant): Declare.
16060 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
16061 ashlqi3_noclobber): Add new patterns and associated splitters.
16063 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
16065 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
16066 * dwarf2out.c (dwarf2out_frame_init): Likewise.
16067 * final.c (shorten_branches): Likewise.
16068 * global.c (global_alloc): Likewise.
16069 * haifa-sched.c (build_control_flow): Likewise.
16070 * stmt.c (check_for_full_enumeration_handling): Likewise.
16071 (estimate_case_costs): Likewise.
16073 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
16075 * rtl.h (RTL_CHECKC2): Fix typo in last change.
16077 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
16079 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
16080 (recompute_reg_usage): Likewise.
16081 * rtlanal.c (find_regno_fusage): Likewise.
16083 * rtl.c (rtl_check_failed_code1): New function.
16084 (rtl_check_failed_code2): New.
16085 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
16086 (RTL_CHECKC1, RTL_CHECKC2): New.
16087 (XC*): New accessor macros.
16088 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
16089 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
16090 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
16091 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
16092 (TRAP_*, RANGE_INFO_*): Likewise.
16094 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16096 * Makefile.in (tlink.o): Don't depend on toplev.h.
16098 * collect2.c (c_file, o_file, export_file, import_file, ldout,
16099 output_file, nm_file_name, ldd_file_name, strip_file_name,
16100 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
16101 add_prefix, prefix_from_env, prefix_from_string, do_wait,
16102 fork_execute, maybe_unlink, add_to_list,
16103 extract_init_priority, write_list, dump_list,
16104 dump_prefix_list, write_list_with_asm, write_c_file,
16105 write_c_file_stat, write_c_file_glob, scan_prog_file,
16106 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
16107 ignore_library, extract_string, notice, dump_file, target_machine,
16108 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
16109 read_file, print_load_command): Constify a char*.
16110 (fdopen, error, fatal, fatal_perror): Don't prototype.
16111 (my_strerror): Remove. All callers use xstrerror instead.
16112 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
16113 (main): Add prototype. Constify lots of char* ptrs. Change calls
16114 to xcalloc/strcpy/strcat/... to one call to concat.
16115 (main, scan_prog_file, scan_libraries): Use an intermediate
16116 `const char **' to build an argv array.
16117 (mapfile, libselect, libcompare, locatelib): Add prototypes.
16119 * collect2.h (collect_execute, collect_wait, dump_file,
16120 file_exists): Constify a char*.
16121 (ldout, c_file_name, temporary_obstack, permanent_obstack,
16122 temporary_firstobj, vflag, debug): Add extern declarations.
16123 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
16125 * tlink.c: Don't include toplev.h.
16126 (vflag, debug, ldout, c_file_name, temporary_obstack,
16127 permanent_obstack, temporary_firstobj): Don't declare.
16128 (tlink_execute, frob_extension, symbol_hash_lookup,
16129 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
16130 recompile_files, read_repo_files, demangle_new_symbols,
16131 scan_linker_output): Constify a char*.
16132 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
16133 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
16135 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
16137 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
16138 (relative) rather than jsr (absolute) subroutine call insns.
16139 * config/m68k/m68k-coff.h: Ditto.
16141 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
16143 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
16144 now rework these too.
16145 (arm_reorg): If an insn can't reach the end of the current pool,
16146 ensure that we emit that pool before the insn.
16148 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
16150 * tlink.c (scan_linker_output): Skip the initial underscore in
16151 a mangled name if appropriate.
16153 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16155 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
16156 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
16157 error_with_ivar, gen_declarator, create_builtin_decl,
16158 my_build_string, generate_descriptor_table, generate_ivars_list,
16159 generate_dispatch_table, check_protocols, TAG_GETCLASS,
16160 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
16161 dump_base_name, lang_decode_option, build_encode_expr,
16162 start_class, finish_class, encode_pointer, really_start_method,
16163 gen_declaration, dump_interface, handle_class_ref, handle_impent):
16165 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
16166 Add static prototypes.
16167 (build_objc_string_decl, build_selector_reference_decl,
16168 encode_bitfield, build_class_reference_decl): Remove unused
16169 parameter, all callers changed.
16170 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
16171 (objc_printable_name): Likewise. Change second parameter to type int.
16172 (init_objc): Use memcpy, not bcopy, to avoid casts.
16174 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
16176 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
16177 reg notes on a deleted insn.
16178 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
16180 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
16182 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
16184 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16186 * stmt.c (expand_asm_operands): Fix index into inout_mode when
16189 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
16191 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
16192 * tm.texi (MD_ASM_CLOBBERS): Document it.
16194 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
16196 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
16197 * except.c (expand_rethrow): Remove unused variable.
16198 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
16199 * flow.c (replace_insns): Likewise.
16200 (create_edge_list, verify_edge_list): Likewise.
16201 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
16203 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
16204 is special code to run.
16205 (main): Don't define operands to emit_operand.
16206 * genrecog.c (main): Don't emit an empty peephole2_insn function.
16208 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
16210 * alpha/alpha.h (normal_memory_operand): Declare.
16211 (reg_no_subreg_operand): Declare.
16212 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
16214 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
16216 * c-parse.in (compstmt_primary_start): New, broken out of first
16217 part of compstmt handling in primary.
16218 (primary): Use it. Add an error clause.
16219 (compstmt_nostart): Renamed from compstmt; remove all
16220 initial invocations of compstmt_start.
16223 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
16225 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
16228 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
16230 * combine.c (simplify_shift_const): Remove extra semicolon.
16231 * dwarf2out.c (remove_AT): Likewise.
16232 * expmed.c (expand_mult): Likewise.
16233 * gcov.c (create_program_flow_graph): Likewise.
16234 * reorg.c (mostly_true_jump): Likewise.
16236 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
16238 * fold-const.c (fold_range_test): Do not try to fold the range
16239 test if the rhs or lhs has side effects.
16241 * combine.c (simplify_rtx): Recognize another case of a synthesized
16244 * varasm.c (mark_constant_pool): When marking indirect references,
16245 only look at SYMBOL_REFs.
16247 * except.c (expand_fixup_region_end): Do not peek at
16248 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
16250 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
16252 * flags.h: New variables align_loops, align_loops_log,
16253 align_jumps, align_jumps_log, align_labels, align_labels_log,
16254 align_functions, align_functions_log.
16255 * toplev.c: Define them.
16256 (f_options): Handle -falign-* when they have no argument.
16257 (main): Add logic to set variables for -falign-functions,
16258 -falign-jumps, -falign-labels, -falign-loops.
16259 Make it -fsched-verbose=<n> and -finline-limit=<n>.
16260 (display_help): Change help to match options.
16261 * final.c (LABEL_ALIGN): Default to align_labels_log.
16262 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
16263 (LOOP_ALIGN): Default to align_loops_log.
16264 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
16265 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
16266 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
16267 * varasm.c (assemble_start_function): Handle align_functions.
16269 * config/sparc/sparc.h: Don't declare sparc_align_*.
16270 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
16271 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
16273 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
16275 * config/sparc/sparc.c: Delete sparc_align_loops,
16276 sparc_align_jumps, sparc_align_funcs and the corresponding string
16278 (sparc_override_options): Default align_functions on ultrasparc.
16279 Delete -malign-* handling.
16281 * config/mips/mips.c (override_options): On 64-bit targets,
16282 try to align code to 64-bit boundaries.
16283 (print_operand): New substitution, %~,
16284 which aligns labels to align_labels_log.
16285 * config/mips/mips.md (div_trap_normal): Use %~.
16286 (div_trap_mips16): Likewise.
16288 (absdi2): Likewise.
16289 (ffssi2): Likewise.
16290 (ffsdi2): Likewise.
16291 (ashldi3_internal): Likewise.
16292 (ashrdi3_internal): Likewise.
16293 (lshrdi3_internal): Likewise.
16294 (casesi_internal): Likewise.
16296 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
16298 Merge new ia32 backend from the branch!
16300 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
16301 See ChangeLog.P2 on new_ia32_branch for details.
16303 * rtl.h (stack_regs_mentioned_p): Delete prototype.
16304 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
16305 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
16306 * i386/gas.h (ASM_FILE_START): Define.
16307 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
16308 for name change of ix86_valid_decl_attribute_p.
16309 (i386_pe_valid_type_attribute_p): Similarly.
16311 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
16313 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
16314 to step through CC modes.
16316 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16318 * regmove.c (fixup_match_1): Don't move INSN in front of P if
16319 it would end up in the shadow of a live flags regsiter.
16321 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16323 * reload1.c: Fix many indentation problems.
16324 * reload.c: Likewise.
16326 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
16328 * alias.c (non_local_reference_p): Constify fmt.
16330 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
16332 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
16334 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
16336 * cse.c (delete_trivially_dead_insns): Do not delete stores to
16337 the internal_arg_pointer.
16339 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
16341 Merge peephole2 from new_ia32_branch:
16342 * Makefile.in (STAGESTUFF): Add *.peephole2.
16343 (mostlyclean): Likewise.
16344 (recog.o): Depend on resource.h.
16346 * final.c (peephole): Conditionalize decl on HAVE_peephole.
16347 (final_scan_insn): Likewise for the invocation of peephole.
16348 * genconfig.c (main): Look for peephole and peephole2 patterns.
16349 Emit HAVE_peephole* accordingly.
16350 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
16351 * flags.h (flag_peephole2): Declare.
16352 * toplev.c: New pass peephole2. New flag -fpeephole2.
16354 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
16355 * gencodes.c (main): Likewise.
16356 * genextract.c (main): Likewise.
16357 * genoutput.c (main): Likewise.
16358 * genemit.c (max_operand_1): Look for the max scratch operand.
16359 (gen_rtx_scratch): New.
16360 (gen_exp): Use it, and pass on new arg subroutine_type.
16361 (gen_expand): Take max scratch into account.
16362 (gen_split): Emit peephole2 functions.
16363 (output_peephole2_scratch): New.
16364 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
16365 * genrecog.c (routine_type): Add PEEPHOLE2.
16367 (make_insn_sequence): Match outer parallel for peep2. Discard
16368 top level scratches and dups.
16369 (add_to_sequence): New args insn_type and top. Update all callers.
16370 Handle toplevel peep2 matching insns.
16371 (write_subroutine): Handle peep2.
16372 (write_tree_1): Likewise.
16373 (write_tree): Likewise.
16375 (change_state): New arg afterward. Update all callers.
16376 Handle matching separate insns.
16377 * recog.c (recog_next_insn): New.
16378 (peephole2_optimize): New.
16379 * rtl.def (DEFINE_PEEPHOLE2): New.
16380 * resource.c (find_free_register): New argument last_insn. Use it
16381 to find a register available through the entire span.
16382 * resource.h (find_free_register): Update prototype.
16384 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
16386 * i386.c (output_strlen_unroll): Don't write xops[7]
16387 label if it wasn't set.
16389 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
16391 * cpplib.c (struct directive): Const-ify name pointer and
16392 function pointer prototype.
16393 (validate_else, do_define, do_line, do_include, do_undef,
16394 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
16395 do_elif, do_endif, do_sccs, do_assert, do_unassert,
16396 do_warning): Const-ify second arg.
16397 (directive_table): Mark const. Reorder entries by frequency
16398 of usage, record statistics.
16400 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
16402 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
16403 bounds- check RTL accesses if --enable-checking.
16404 (RTVEC_ELT): Bounds check if --enable-checking.
16405 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
16406 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
16407 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
16409 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
16410 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
16412 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
16413 (NOTE_SOURCE_FILE): Use X0STR.
16414 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
16415 MEM_ALIAS_SET): Use X0INT.
16416 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
16417 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
16419 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
16420 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
16421 (rtl_check_failed_bounds, rtl_check_failed_type1,
16422 rtl_check_failed_type2, rtvec_check_failed_bounds): New
16424 (fancy_abort): Fix comment.
16426 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
16427 (cse_insn): Decrement LABEL_NUSES for jump target before
16428 deleting jump insn.
16429 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
16430 * final.c (alter_subreg): Compute regno before changing x to
16431 REG; set REGNO(x) after changing it.
16432 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
16433 notes containing CONST_INTs.
16434 (delete_eh_regions): Use NOTE_EH_HANDLER.
16435 * function.c (put_reg_into_stack): Make reg a MEM before
16437 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
16439 (gen_mem_addressof): Make reg a MEM before initializing it.
16440 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
16442 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
16443 deleting an insn, not after.
16444 (block_alloc): Only look at PATTERN(insn) if we have to, and
16445 only if it's format class 'i'.
16446 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
16447 CONST_INT before using its INTVAL.
16448 * print-rtl.c (print_rtx): Use X0STR.
16449 * regmove.c (fixup_match_1): Don't look at PATTERN of
16450 non-class-'i' insn chain elements.
16451 * reload.c (loc_mentioned_in_p): Take address of
16452 in->fld[1].rtx directly.
16453 * reload1.c (reload): Change reg to a MEM before initializing
16455 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
16457 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
16459 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
16461 * config/mips/mips.c (machine_dependent_reorg): Force a
16462 barrier to output the local constant pool if a barrier hasn't
16463 been found at a natural point in the instruction stream.
16465 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16467 * c-parse.in (language_string): Constify.
16469 * dwarf2out.c (language_string): Remove declaration.
16471 * dwarfout.c (language_string): Likewise.
16473 * toplev.c (language_string, init_parse, finish_parse): Likewise.
16475 * tree.h (language_string, init_parse, finish_parse): Declare.
16477 * i386/sun386.h (language_string): Remove declaration.
16479 * mips.h (language_string): Likewise.
16481 * nextstep.h (language_string): Likewise.
16483 * nextstep21.h (language_string): Likewise.
16485 * rs6000.c (language_string): Likewise.
16487 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16489 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
16490 (getpwd.o): Remove target.
16492 * getpwd.c: Delete file. Its in libiberty now.
16494 * dbxout.c (getpwd): Don't prototype.
16495 * dwarf2out.c (getpwd): Likewise
16496 * dwarfout.c (getpwd): Likewise
16497 * final.c (getpwd): Likewise.
16498 * protoize.c (getpwd): Likewise.
16500 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16502 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
16504 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16506 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
16507 mark_set_resources.
16509 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
16511 * fixinc/Makefile.in (subdir): New.
16512 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
16515 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
16517 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
16518 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
16521 * invoke.texi: Fix typo.
16523 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
16524 changed. Handle autoincrement addressing modes.
16526 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
16527 just like we would the virtual incoming args register when
16530 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
16532 * rs6000.h (ASM_FILE_START): Specify complete filename, including
16533 path, in .file directive.
16535 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
16537 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16540 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16542 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16545 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16547 * tree.c (tree_code_name): Constify a char*.
16549 * tree.h (tree_code_name, decl_printable_name): Likewise.
16551 * function.h (struct function): Likewise.
16553 * toplev.c (decl_name, decl_printable_name): Likewise.
16555 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16557 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16558 (init_objc): Remove function pointer cast.
16560 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16562 * pa.md (interspace_jump): New pattern.
16563 (builtin_longjmp): New expander.
16565 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16567 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16568 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16569 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16571 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16573 * jump.c (delete_prior_computation): Also check calls
16574 to constant functions. Don't bother checking for a
16575 REG_UNUSED note before adding it.
16576 (delete_computation): Handle multi-word hard registers
16577 when synthesizing missing REG_DEAD notes for a register
16578 which is both set and used by an insn.
16580 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16582 * loop.c (this_loop_info): New variable.
16583 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16584 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16586 (prescan_loop, strength_reduce): New argument loop_info. All callers
16588 (scan_loop): New variable loop_info, initialise to address of
16590 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16591 Delete variable loop_has_multiple_exit targets and replace with
16592 field in this_loop_info.
16593 (find_and_verify_loops): Rename this_loop to this_loop_num.
16594 (strength_reduce): Delete loop_iteration_info. Replace variable
16595 loop_info with function argument of same name.
16596 (insert_bct): Rework test for loop being completely unrolled.
16598 * loop.h (struct loop_info): New fields num, loops_enclosed,
16599 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16600 has_indirect_jump, and cont. Redefine use of unroll_number.
16601 (loop_unroll_number): Delete.
16603 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16604 field of loop_info.
16605 (loop_iterations): Delete variable vtop and instead use
16606 loop_info->vtop computed in prescan_loop.
16608 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16610 * fix-header.c (main): Do not pass a null pointer to strcmp.
16612 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16614 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16616 * configure: Rebuilt.
16618 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16620 * jump.c (jump_optimize_1): Do not delete assignments to
16621 internal_arg_pointer.
16622 * cse.c (delete_trivially_dead_insns): Always consider a set of
16623 the internal_arg_pointer live.
16625 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16627 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16628 (update_life_info) [REG_WAS_0]: Search the original insns rather
16629 than the new insns for the note. Fix typos finding note_dest.
16630 If no dest found, discard the note rather than abort.
16631 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16632 (replace_insns): Remove the old insn list after update_life_info
16635 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16637 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16638 sched_analyze_insn.
16639 (sched_analyze_1): Let add_dependence care for not adding dups.
16640 (sched_analyze_2): Likewise.
16641 (add_branch_dependences): Likewise.
16643 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16645 * i386/winnt.c (export_list): New type.
16646 (exports_head): Rename to
16647 (export_head): this.
16648 (i386_pe_record_exported_symbol): Add is_data flag.
16649 (i386_pe_asm_file_end): Emit directive for exported variables.
16650 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16652 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16653 (ASM_DECLARE_OBJECT_NAME): Likewise.
16654 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16655 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16657 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16659 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16661 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16664 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16666 * config/openbsd.h: Define SET_ASM_OP.
16667 * tm.texi: cross-reference SET_ASM_OP in the index.
16669 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16671 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16672 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16673 and class_narrowest_mode at compile time. Kill init_rtl.
16674 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16675 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16676 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16678 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16680 * rtl.h: Declare rtx_length and rtx_format as const.
16681 * machmode.def: Define CC(). Use CC() to define CCmode. If
16682 EXTRA_CC_MODES is defined, expand it here.
16683 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16684 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16685 const. Kill all references to EXTRA_CC_MODES.
16687 * toplev.c: Don't prototype or call init_rtl.
16688 * optabs.c: Don't call init_mov_optab.
16689 * genemit.c: Don't generate init_mov_optab. Don't call
16691 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16693 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16694 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16695 genrecog.c: Don't call init_rtl.
16697 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16698 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16699 definition of EXTRA_CC_MODES.
16701 * md.texi: Kill ref to EXTRA_CC_NAMES.
16702 * tm.texi: Document new way to define EXTRA_CC_MODES.
16704 * genrecog.c: Do not look up the name of a define_split.
16705 (Unrelated bugfix.)
16707 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16709 * config/v850/v850.md: Fix typo introduced by previous delta.
16711 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16713 * gcc.c (fatal): Make definition static to match prototype.
16715 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16717 * combine.c (get_last_value): Don't look for earlier sets if the last
16718 known set is somewhere in between the insns being combined.
16720 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16722 * configure.in: Don't use shell ! to negate exit codes
16723 * configure: Regenerate
16725 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16727 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16728 the fact that ALIGN is measured in bits, not bytes.
16730 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16732 * errors.c: New file; defines functions error, warning, and
16733 fatal, variables have_error and progname.
16734 * errors.h: New file; prototypes and decls for stuff in errors.c.
16736 * Makefile: Add rules to build errors.o and
16737 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16738 genopinit, genrecog, genextract, genpeep, genattr, and
16739 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16740 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16741 genpeep.o, genattr.o, and genoutput.o.
16743 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16744 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16745 define or prototype fatal. Set progname at beginning of main.
16746 * genoutput.c: Likewise, and don't define or prototype error
16749 * c-typeck.c (c_expand_start_case): Return immediately if exp
16751 * fold-const.c (operand_equal_p): Return immediately if arg1
16752 or arg0 are ERROR_MARKs.
16753 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16754 fields of type ERROR_MARK when calculating if the record can
16757 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16758 with much help from Jeffrey A Law and Richard Henderson
16760 * i386.md: In the 6 insns which call output_fix_trunc,
16761 earlyclobber operands[0].
16763 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16765 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16766 creating new registers.
16768 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16770 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16771 i386_reg_alloc_order, i386_regparm_string,
16772 i386_align_loops_string, i386_align_jumps_string,
16773 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16774 and i386_branch_cost_string as type "const char *".
16775 * i386.c: Define all above strings as type "const char *".
16777 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16779 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16780 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16782 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16784 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16785 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16787 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16789 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16790 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16791 (dwarf2out_line, dwarf2out_finish): Likewise.
16792 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16794 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16796 * tree.c (lang_unsave_expr_now) : Correct return type.
16797 * tree.h (lang_unsave_expr_now) : Same.
16799 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16801 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16802 instead of duplicating code.
16804 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16806 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16808 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16810 * tree.h: fancy_abort always takes three args.
16811 * resource.c: Move include of system.h before toplev.h.
16813 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16815 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16818 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16820 * system.h: Don't redefine abort or trim_filename.
16821 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16822 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16823 whether or not __FUNCTION__ is available.
16824 * tree.h: Duplicate rtl.h's definition of abort, for files
16825 that don't include rtl.h. Delete all code to perform type
16826 checking with a compiler other than GCC.
16827 * varray.h: Delete all code to perform type checking with a
16828 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16829 its arguments exactly once, using a statement expression.
16830 Adjust the VARRAY_<type> accessor macros to match.
16831 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16832 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16833 caller's location. Define fatal_insn and fatal_insn_not_found
16834 as macros that use _fatal_insn and _fatal_insn_not_found.
16835 (fancy_abort, trim_filename): Kill prototypes.
16837 * rtl.c (trim_filename): Move here from toplev.c.
16838 (fancy_abort): New function.
16839 (DIR_SEPARATOR): Provide default definition.
16840 * tree.c (tree_check_failed, tree_class_check_failed): Go
16841 through fancy_abort.
16842 (tree_check, tree_class_check, cst_or_constructor_check,
16843 expr_check): Delete.
16844 * varray.c (varray_check_failed): New function.
16845 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16846 _fatal_insn and _fatal_insn_not_found. Go through
16848 (trim_filename, fancy_abort): Delete.
16850 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16851 * except.c (start_catch_handler): Report ICE with error/abort
16853 * final.c (output_operand_lossage): Likewise.
16854 * flow.c (verify_flow_info): Likewise.
16856 * gcc.c: Prototype fatal.
16857 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16858 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16859 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16860 Don't define fancy_abort.
16862 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16864 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16867 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16869 * m88k.h (VERSION_INFO2): Kill.
16870 (VERSION_STRING): Kill.
16872 (VERSION_INFO1): Tidy.
16873 (TARGET_VERSION): Update.
16874 * m88k/dgux.h (VERSION_INFO2): Kill.
16875 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16876 * m88k/luna.h (VERSION_INFO1): Tidy.
16877 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16878 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16879 (output_file_start): Adjust for death of VERSION_STRING.
16881 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16883 * cpplib.c (detect_if_not_defined): New function.
16884 (do_if): Use it to detect potential once-only headers.
16886 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16888 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16890 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16892 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16893 anywere in the function only if they are pseudos and set before
16894 being used (not live at the start of the function).
16895 (num_sign_bit_copies) : Same.
16896 (get_last_value_validate) : Same.
16897 (get_last_value) : Same.
16899 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16901 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16902 where N and M are constant and N is an integer multiple of M.
16904 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16906 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16907 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16908 sbitmap_union_of_preds): Add prototypes.
16909 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16910 the intersection of successors with the new flow graph structures.
16911 (sbitmap_intersection_of_preds): New function to compute the
16912 intersection of predecessors with the new flow graph structures.
16913 (sbitmap_union_of_succs): New function to compute the union of
16914 successors with the new flow graph structures.
16915 (sbitmap_union_of_preds): New function to compute the union of
16916 predecessors with the new flow graph structures.
16917 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16918 (expr_reaches_here_p): Use edge and basic_block structures instead
16919 of s_preds and s_succs.
16920 (compute_cprop_avinout): Use new sbitmap routines.
16921 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16922 of s_preds and s_succs.
16923 * flow.c (compute_flow_dominators): Compute dominators using
16924 edges and basic blocks instead of s_preds and s_succs.
16926 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16928 * lists.c (unused_insn_list, unused_expr_list): New file for
16929 maintaining various types of lists. New statics for maintaining a
16930 cache of available INSN_LIST and EXPR_LIST nodes.
16931 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16932 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16933 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16934 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16935 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16936 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16937 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16938 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16939 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16940 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16941 (remove_dependence, free_pending_lists): Use new global routines.
16942 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16943 (sched_analyze, compute_block_backward_dependences): Use new routines.
16944 (sched_analyze_1, sched_analyze_2): Use new routines.
16945 (schedule_insns): Use new global routines.
16946 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16948 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16949 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16951 * toplev.c (rest_of_compilation): Initialize node cache.
16952 * Makefile.in (OBJS): Add lists.o to list of object files.
16953 (lists.o): Add dependancies.
16955 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16957 * config/v850/v850.md: Fix compile time warning messages.
16958 * config/v850/v850.c: Fix compile time warning messages.
16959 * config/v850/v850.h: Fix compile time warning messages.
16961 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16963 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16964 Remove unused prototype for `init_lengths'.
16966 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16968 * calls.c (emit_call_1): Mark parameter `stack_size' with
16970 (expand_call): Initialize variable `insn'.
16971 (emit_library_call): Likewise for variable `high_to_save'.
16972 (emit_library_call_value): Likewise.
16973 (store_one_arg): Likewise for variables `lower_bound' and
16976 * combine.c (try_combine): Likewise for variables `i2_code_number'
16977 and `other_code_number'.
16978 (find_split_point): Likewise for variables `pos', `unsignedp' and
16980 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16981 (simplify_and_const_int): Remove unused variable `width'.
16982 (merge_outer_ops): Likewise.
16984 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16985 HOST_WIDE_INT' when comparing against one.
16986 (simplify_relational_operation): Likewise.
16987 (cse_insn): Initialize variables `src_eqv_volatile',
16988 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16990 * final.c (init_final): Constify parameter `filename'.
16991 (final_start_function): Mark parameter `optimize' with
16993 (profile_function): Likewise for parameters `first' and `optimize'.
16994 (output_source_line): Likewise for parameter `file'.
16996 * integrate.c (subst_constants): Cast a value to `size_t' when
16997 comparing against one.
16998 (mark_stores): Initialize variable `mode'. Cast a value to
16999 `size_t' when comparing against one.
17001 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
17003 * loop.c (move_movables): Initialize variable `first'.
17004 (strength_reduce): Likewise for variable `increment'.
17005 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
17006 value to `size_t' when comparing against one.
17007 (load_mems): Initialize variable `end_label'.
17009 * output.h (init_final): Constify parameter.
17011 * reload.c (decompose): Initialize variable `base'.
17013 * reload1.c (reload): Likewise for variable `is_scalar'.
17014 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
17015 (choose_reload_regs): Initialize variable `mode'.
17016 (emit_reload_insns): Likewise for variable `store_insn'.
17017 (reload_cse_noop_set_p): Mark parameter `insn' with
17019 (reload_combine): Initialize variable `set'.
17021 * unroll.c (unroll_loop): Likewise for variable `local_label'.
17022 (copy_loop_body): Cast a value to `size_t' when comparing against
17025 * varasm.c (assemble_variable): Initialize variable `size_tree'.
17026 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
17027 (remove_from_pending_weak_list): Mark parameter `name' with
17030 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17032 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
17035 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
17037 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
17038 (ASM_DECLARE_FUNCTION_NAME): Define.
17039 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
17040 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
17041 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
17042 not already defined.
17044 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
17046 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
17047 of n_popped when call/call_value are not defined.
17049 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
17051 * tm.texi: GNU CC -> GCC conversion.
17052 (CC1_SPEC): Indicate it is used for all language front ends.
17054 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
17056 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
17057 NOTE_INSN_EH_REGION_END correctly.
17059 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17060 Jeff Law <law@cygnus.com>
17062 * loop.c (strength_reduce): Automatically unroll loops if the
17063 unrolled loop size is smaller than the rolled loop size.
17065 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
17066 and delete comment that code should be rewritten.
17068 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
17070 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
17073 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
17075 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17077 * fixinc/mkfixinc.sh: Don't fix uwin headers.
17078 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
17079 (LINK_SPEC): Add -u _main when building executables.
17080 (ASM_DECLARE_FUNCTION): Update from Cygwin.
17081 (ASM_FILE_END): Use the default for ix86-pe.
17082 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
17084 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
17086 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
17087 and ASM_CLOSE_PAREN are empty strings.
17089 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
17090 Geoffrey Keating <geoffk@cygnus.com>
17092 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
17093 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
17094 (unprotoize.o): Ditto.
17095 (test-protoize-simple): Don't define STD_PROTO_DIR.
17096 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
17097 changes to make 'test-protoize-simple' pass.
17098 (STD_PROTO_DIR): Remove define.
17099 (STANDARD_EXEC_PREFIX): Supply default define.
17100 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
17101 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
17102 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
17103 (GET_ENV_PATH_LIST): New macro.
17104 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
17105 (do_processing): Initialize default_syscalls_dir using new
17106 macros. Use it to initialize syscalls_absolute_filename.
17108 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
17110 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
17111 B into a register before emit_conditional_move.
17113 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
17115 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
17116 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
17117 multiplicand out of (+ (* a b) (* c d)).
17119 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
17120 Richard Henderson <rth@cygnus.com>
17122 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
17123 (new_insn_dead_notes): Likewise.
17124 (update_n_sets): Likewise.
17125 (update_flow_info): Move to flow.c, renamed to update_life_info;
17126 extend to handle multiple source insns.
17127 * flow.c: Include resource.h
17128 (unlink_insn_chain): New.
17129 (split_hard_reg_notes): New.
17130 (maybe_add_dead_note): New.
17131 (maybe_add_dead_note_use): New.
17132 (find_insn_with_note): New.
17133 (new_insn_dead_notes): New.
17134 (update_n_sets): New.
17135 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
17136 (maybe_remove_dead_notes): New.
17137 (update_life_info): New.
17138 (prepend_reg_notes): New.
17139 (replace_insns): New.
17140 * output.h (update_life_info): Declare.
17141 * recog.c (split_block_insns): Use update_life_info.
17142 * resource.c (find_free_register): Use reg_alloc_order, don't use
17143 fixed regs, make sure the mode is supported, don't use new regs.
17145 * rtl.h (replace_insns): Declare.
17147 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
17149 * expr.c (expand_expr): Cope with COND_EXPRs with one
17150 non-returning branch.
17152 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
17154 * expr.c (store_expr): Always pass down the target, even when not
17157 1999-08-24 Nick Clifton <nickc@cygnus.com>
17159 * configure.in: Define target_cpu_default for v850 targets.
17160 * configure: Regenerate
17162 * config/v850/v850.h (TARGET_CPU_generic): Define.
17163 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
17164 addresses are 4 byte aligned.
17166 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
17169 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17171 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
17172 (main): Add prototypes.
17174 * genattrtab.c (substitute_address, write_const_num_delay_slots,
17175 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
17176 (write_attr_get): Emit prototypes along with function definition.
17177 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
17178 (write_complex_function): Emit static prototype along with
17179 function definition.
17181 * genemit.c (gen_split): Emit prototypes along with function
17184 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
17185 Likewise for predicates and `insn_operand_predicate'.
17186 (process_template): Emit static prototype along with function
17189 * genrecog.c (make_insn_sequence): Constify a char*. Add
17190 prototypes for get_split_*().
17191 (write_subroutine): Emit prototypes along with function
17194 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17196 * gcse.c (find_avail_set): Follow chains of register-register copies.
17197 Use oprs_not_set_p to guarantee that the returned value can be
17199 (cprop_insn): Don't verify the return value of find_avail_set with
17202 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
17203 (cprop_cc0_jump): New function.
17204 (cprop_insn): Break out new function cprop_jump and use it.
17205 Also use cprop_cc0_jump for machines with CC0.
17206 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
17208 * tree.h (current_function_calls_setjmp,
17209 current_function_calls_longjmp): Delete declarations.
17210 * dsp16xx.c: Include "function.h".
17211 * elxsi.c: Likewise.
17212 * gmicro.c: Likewise.
17213 * h8300.c: Likewise.
17214 * i370.c: Likewise.
17215 * m32r.c: Likewise.
17216 * mn10200.c: Likewise.
17217 * mn10300.c: Likewise.
17218 * ns32k.c: Likewise.
17219 * spur.c: Likewise.
17220 * v850.c: Likewise.
17222 * rtl.h (rtx_equal_function_value_matters): Declare.
17223 * toplev.c (rtx_equal_function_value_matters): Don't declare.
17225 * function.c: Likewise.
17226 * emit-rtl.c: Likewise.
17228 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
17230 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
17233 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17235 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
17238 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
17240 * cpp.texi: Add a node documenting macro varargs (copied
17243 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
17245 * cppspec.c: Put a null pointer at the end of the new argv.
17247 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
17249 * configure.in: Remove code to select/de-select the haifa
17250 scheduler. Every scheduled port gets haifa now.
17251 * configure: Rebuilt.
17252 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
17254 * Makefile.in: Corresponding changes.
17256 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17258 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
17259 All callers changed.
17260 (prepare_float_lib_cmp): Likewise.
17261 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
17262 * expr.h (emit_float_lib_cmp): Delete declaration.
17263 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
17264 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
17265 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
17267 (cmptf): Now conditional on TARGET_HARD_QUAD.
17269 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
17271 * resource.c (mark_target_live_regs): Use
17272 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
17274 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17276 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
17278 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
17280 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
17282 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17284 * rtl.h (rtx_format): Constify a char*.
17286 * rtl.c (rtx_format): Likewise.
17287 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
17288 (init_rtl): Use accessor macro, not `rtx_format'.
17290 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
17293 * caller-save.c (mark_referenced_regs): Likewise.
17295 * combine.c (subst, make_compound_operation, known_cond,
17296 gen_rtx_combine, update_table_tick, get_last_value_validate,
17297 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
17299 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
17300 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
17301 count_reg_usage): Likewise.
17303 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
17306 * final.c (leaf_renumber_regs_insn): Likewise.
17308 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
17309 dump_edge_info, count_reg_references): Likewise.
17311 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
17312 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
17315 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
17316 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
17317 add_label_notes): Likewise.
17319 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
17320 clear_struct_flag, count_sub_rtxs, count_alternatives,
17321 compares_alternatives_p, contained_in_p, walk_attr_value,
17322 write_expr_attr_cache): Likewise.
17324 * genconfig.c (walk_insn_part): Likewise.
17326 * genemit.c (max_operand_1, gen_exp): Likewise.
17328 * genextract.c (walk_rtx): Likewise.
17330 * genflags.c (num_operands): Likewise.
17332 * genoutput.c (scan_operands): Likewise.
17334 * genpeep.c (match_rtx): Likewise.
17336 * genrecog.c (add_to_sequence): Likewise.
17338 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
17341 * integrate.c (save_constants, copy_for_inline,
17342 copy_rtx_and_substitute, subst_constants, restore_constants):
17345 * jump.c (mark_jump_label, invert_exp, redirect_exp,
17346 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
17348 * local-alloc.c (contains_replace_regs, memref_referenced_p):
17351 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
17352 add_label_notes, replace_call_address, count_nonfixed_reads,
17353 invariant_p, find_single_use_in_loop, find_mem_givs,
17354 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
17357 * print-rtl.c (reg_names, print_rtx): Likewise.
17359 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
17361 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
17362 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
17363 print_blocks): Likewise.
17365 * regclass.c (fix_register, record_address_regs,
17366 reg_scan_mark_refs): Likewise.
17368 * regmove.c (stable_but_for_p): Likewise.
17370 * reload.c (loc_mentioned_in_p, operands_match_p,
17371 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
17372 copy_replacements, refers_to_regno_for_reload_p,
17373 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
17374 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
17377 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
17378 delete_address_reloads_1, count_occurrences,
17379 reload_cse_mem_conflict_p, reload_combine_note_use,
17380 add_auto_inc_notes): Likewise.
17382 * resource.c (mark_referenced_resources, mark_set_resources):
17385 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
17386 reg_mentioned_p, regs_set_between_p, modified_between_p,
17387 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
17388 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
17389 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
17390 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
17392 * sched.c (sched_analyze_2, attach_deaths): Likewise.
17394 * stupid.c (stupid_mark_refs): Likewise.
17396 * unroll.c (remap_split_bivs): Likewise.
17398 * varasm.c (mark_constants): Likewise.
17400 * a29k/a29k.c (uses_local_reg_p): Likewise.
17402 * alpha/alpha.c (summarize_insn): Likewise.
17404 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
17405 eliminate_lr2ip): Likewise.
17407 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
17409 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
17410 reg_mentioned_in_mem): Likewise.
17412 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
17413 symbolic_reference_mentioned_p): Likewise.
17415 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
17417 * sh/sh.c (regs_used, mark_use): Likewise.
17419 * vax/vax.c (vax_rtx_cost): Likewise.
17421 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17423 * machmode.h (mode_name): Constify a char*.
17425 * rtl.c (mode_name): Likewise.
17427 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
17429 * optabs.c (init_libfuncs): Constify a char*.
17431 * print-tree.c (mode_name): Remove redundant declaration.
17432 (print_node): Use accessor macro, not `mode_name'.
17434 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
17436 (new_spill_reg): Constify a char*.
17438 * tree.c (mode_name): Remove redundant declaration.
17440 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17442 * rtl.c (rtx_name): Constify a char*.
17444 * rtl.h (rtx_name, fix_sched_param): Likewise.
17446 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
17447 (mypr): Use accessor macro, not `rtx_name'.
17449 * genemit.c (print_code): Constify a char*.
17451 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
17453 * genpeep.c (print_code): Constify a char*.
17455 * genrecog.c (print_code): Likewise.
17457 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
17458 end_bb): Add static prototype.
17459 (draw_edge): Constify a char*.
17460 (end_bb): Remove unused parameter.
17462 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
17463 print_block_visualization): Constify a char*.
17465 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
17467 * c-common.c (c_get_alias_set): Update comment.
17469 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17471 * linux.h (LIB_SPEC): Added.
17473 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17475 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
17477 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
17479 * tree.c (expr_check): Fix typo in last change.
17481 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
17483 * rtl.def (NOTE): Change format to "iuu0n".
17484 (ADDR_DIFF_VEC): Change format to "eEee0".
17485 (ADDRESSOF): Change format to "eit".
17487 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
17488 (RTVEC_ELT): Change to match.
17489 (XVECEXP): Use XVEC and RTVEC_ELT.
17490 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
17491 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
17492 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
17493 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
17494 TRAP_CONDITION, TRAP_CODE): Use XEXP.
17495 (INTVAL): Use XWINT.
17496 (ADDRESSOF_DECL): Use XTREE.
17497 (SET_ADDRESSOF_DECL): Delete.
17498 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
17499 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
17500 ifdefed out since 2.6 at least.
17501 (gen_rtvec_vv): Delete prototype.
17503 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
17505 (copy_most_rtx): Handle 't' format letter.
17506 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
17507 (gen_rtvec_vv): Delete function. All callers changed to use
17508 gen_rtvec_v instead.
17509 * print-rtl.c (print_rtx): Move special casing of NOTEs to
17510 the '0' format letter.
17512 * function.c (gen_mem_addressof): Don't use
17513 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
17515 * integrate.c (copy_rtx_and_substitute): Likewise.
17516 Copy 't' slots with XTREE.
17517 (subst_constants): Treat 't' slots like '[swi]' slots.
17518 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
17519 * jump.c (rtx_equal_for_thread_p): Likewise.
17520 * rtlanal.c (rtx_equal_p): Likewise.
17521 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
17522 only four arguments.
17523 * gengenrtl.c (type_from_format): Provide correct types for
17527 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
17528 If a recent gcc is in use (always in stage2 and beyond), use
17529 statement expressions, so we don't make a function call unless
17530 the check fails. Evaluate arguments exactly once.
17531 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
17532 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
17534 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
17535 they evaluate their arguments exactly once, irrespective of
17536 the compiler in use.
17538 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
17539 is used by the currently-enabled check macros. This is:
17540 (tree_check_failed, tree_class_check_failed): For gcc.
17541 (tree_check, tree_class_check, cst_or_constructor_check,
17542 expr_check): For other compilers.
17544 * gencheck.c: Do not define any *_CHECK1 macros.
17546 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17547 Mark Mitchell <mark@codesourcery.com>
17549 * c-common.c (c_get_alias_set): Fix support for poitners and
17552 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17554 * alias.c: Include tree.h.
17555 (nonlocal_reference_p, mark_constant_function): New functions.
17556 * flow.c (life_analysis): Call mark_constant_function.
17557 * rtl.h (mark_constant_function): Declare it.
17559 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17561 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17562 unrecognisable switches.
17564 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17566 * loop.c (recombine_givs): Set ix field after sorting.
17567 (recombine_givs): Remove bogus index / giv lockstep looping.
17569 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17571 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17573 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17574 (do_cmp_and_jump): Formatting fixes.
17575 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17576 do_compare_rtx_and_jump instead of compare_from_rtx.
17577 (do_compare_rtx_and_jump): New function; mostly copied from
17579 (do_jump_for_compare): Delete.
17580 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17582 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17583 of compare/do_jump_for_compare pairs.
17584 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17585 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17586 compare_from_rtx/do_jump_for_compare pairs.
17587 (do_jump_by_parts_equality): Likewise.
17588 (do_jump_by_parts_equality_rtx): Likewise.
17589 * expr.h (do_compare_rtx_and_jump): Declare.
17590 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17591 that used to be in emit_cmp_insn.
17592 (cmp_available_p): New function.
17593 (prepare_operand): New function.
17594 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17595 to be in emit_cmp_insn.
17596 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17597 parameters to be pointers; don't emit final compare but modify some of
17598 the values pointed to by the args so the caller can perform the
17599 correct comparison.
17600 (expand_binop): Call emit_store_flag_force with signed forms of
17602 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17603 emit_jump_insn pair.
17604 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17605 emit_cmp_and_jump_insn_1. Call emit_queue.
17606 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17608 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17609 jump sets cc0 before deleting it.
17610 * integrate.c (expand_inline_function): Likewise.
17611 * unroll.c (unroll_loop): Similar changes in several places.
17612 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17613 before deleting it.
17615 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17617 * Makefile.in (insn-recog.o): Update dependencies.
17618 * genrecog.c (main): Make generated file include "function.h".
17620 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17622 * cse.c (cse_insn): Call never_reached_warning when a jump is
17623 changed to be unconditional.
17624 * flags.h: Declare warn_notreached.
17625 * flow.c (delete_block): Call never_reached_warning when
17626 a block is deleted.
17627 * jump.c (delete_barrier_successors): Call never_reached_warning
17628 when we delete everything after a BARRIER.
17629 (never_reached_warning): New function.
17630 * rtl.h: Declare never_reached_warning.
17631 * toplev.c (warn_notreached): New variable.
17632 (lang_independent_options): Set warn_notreached
17633 when -Wunreachable-code.
17634 (compile_file): We need line numbers for -Wunreachable-code.
17636 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17638 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17639 * sched.c (insn_unit): Likewise.
17641 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17643 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17645 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17647 * flow.c (create_edge_list): Use xmalloc, not malloc.
17649 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17651 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17652 C-style comments. Do not lose the character before double slash.
17654 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17656 * basic-block.h (struct edge_list): Stucture to maintain a vector
17658 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17659 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17660 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17661 New function prototypes.
17662 * flow.c (create_edge_list): Function to create an edge list.
17663 (free_edge_list): Discards memory used by an edge list.
17664 (print_edge_list): Debug output showing an edge list.
17665 (verify_edge_list): Internal consistency check for an edge list.
17666 (find_edge_index): Function to find an edge index for a pred and succ.
17668 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17670 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17673 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17675 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17677 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17679 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17681 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17683 * toplev.c (rest_of_compilation): Allow machine dependent
17684 reorganisation pass to place information into the RTL dump
17685 file if it so wishes.
17687 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17689 * explow.c (hard_function_value): Use VOIDmode instead of
17691 * stmt.c (expand_return): Likewise.
17692 * stor-layout.c (get_best_mode): Likewise.
17694 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17695 emit call instead of emit_insn call.
17697 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17699 * configure.in: Handle --disable/enable-win32-registry.
17700 * install.texi: Document --disable/enable-win32-registry.
17701 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17702 (WIN32_REGISTRY_KEY): New macro.
17703 * prefix.c: Use to enable/disable win32-specific code.
17704 (lookup_key): Use versioned key.
17705 * configure: Regenerate.
17706 * config.in: Likewise.
17708 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17710 * cpplib.c (read_line_number): New fn, split out of...
17713 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17715 tree.c (lang_unsave_expr_now) : New.
17716 (unsave_expr_now): Call lang_unsave_expr_now.
17717 tree.h (lang_unsave_expr_now) : New.
17719 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17721 * toplev.c (flag_new_exceptions): On by default.
17723 1999-08-13 Michael Meissner <meissner@cygnus.com>
17725 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17727 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17729 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17730 INTEGER_TYPE with precision==1, it's __java_boolean.
17732 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17734 * global.c (prune_preferences): Move some invariants out of the
17737 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17739 * configure.in (alpha*-dec-osf*): Add osf5.
17741 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17743 * configure.in: Rework handling of ARM GNU/Linux slightly.
17744 (arm*-*-linux-gnuoldld): New target.
17745 * configure: Regenerate.
17746 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17747 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17748 * config/arm/linux-oldld.h: New file.
17749 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17750 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17752 * config/arm/linux-elf.h (ASM_SPEC): Define.
17753 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17754 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17755 for 26-bit APCS and old linker.
17756 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17758 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17759 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17760 don't define `arm' or `arm_elf'.
17761 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17762 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17764 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17766 * rtl.texi: Fix typo.
17768 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17770 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17772 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17774 * extend.texi (C++ Signatures): Remove node.
17775 * invoke.texi: Remove discussion of -fhandle-signatures,
17776 signature, sigof, __signature__, and __sigof__.
17778 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17780 * Makefile.in (JAVAGC): Removed.
17782 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17784 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17786 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17788 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17790 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17792 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17793 a register that is already known to be a pointer.
17795 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17797 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17798 * fixinc/inclhack.sh: Regenerated.
17799 * fixinc/fixincl.sh: Regenerated.
17801 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17803 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17804 Fix documentation of -ansi flag to describe its C++ behavior.
17805 Remove bogus reference to GCC 2.9.
17807 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17809 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17810 note if it is non-NULL.
17812 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17814 * except.h (eh_nesting_info): Add new structure defintion.
17815 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17816 (reachable_handlers, update_rethrow_references): Add function
17818 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17819 a rethrow symbol instead of an integer exception region number.
17820 * flow.c (Make_edges): Use new exception nesting routines to determine
17821 which handlers are reachable from a CALL or asynchronous insn.
17822 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17824 (delete_eh_regions): Update rethrow labels, and don't delete
17825 regions which are the target of a rethrow.
17826 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17827 avoid overloading the SYMBOL_REF_USED flag.
17828 (rethrow_symbol_map): Use new rethrow_ref field.
17829 (rethrow_used): Use new rethrow_ref field.
17830 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17831 of an integer. Fix formatting.
17832 (output_exception_table_entry): Use new rethrow_ref field.
17833 (can_throw): Check for EH_REGION_NOTE before deciding
17834 whether a CALL can throw or not.
17835 (scan_region): Call rethrow_used() instead of accessing data structure.
17836 (update_rethrow_references): New function to make sure only regions
17837 which are still targets of a rethrow are flagged as such.
17838 (process_nestinfo): New static function to initialize a handler
17839 list for a specific region.
17840 (init_eh_nesting_info): New function to allocate and initialize
17841 the list of all EH handlers reachable from all regions.
17842 (reachable_handlers): New function to retrieve the list of handlers
17843 reachable from a specific region and insn.
17844 (free_eh_nesting_info): New function to dispose of a list of
17845 reachable handlers.
17847 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17849 * flow.c (split_edge): Set JUMP_LABEL field.
17850 (commit_one_edge_insertion): Set head correctly for insert_before.
17851 When inserting insns, update insn block numbers if allocated.
17853 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17855 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17856 retry_incomplete_types): Add static prototype.
17857 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17858 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17859 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17860 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17861 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17864 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17865 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17867 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17869 * output.h (assemble_name): Constify a char*.
17871 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17872 assemble_variable, assemble_name): Likewise.
17874 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17876 * arm/pe.c (arm_pe_unique_section): Likewise.
17878 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17880 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17882 * i386/interix.c (i386_pe_unique_section): Likewise.
17884 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17886 * i386/winnt.c (i386_pe_unique_section): Likewise.
17888 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17890 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17892 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17894 * pa/pa.c (output_call): Likewise.
17896 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17898 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17900 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17903 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17906 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17908 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17909 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17911 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17913 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17915 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17917 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17919 * tree.h (lang_identify): Constify a char*.
17920 (print_error_function): Add extern prototype. Constify a char*.
17922 * c-lang.c (lang_identify): Constify a char*.
17924 * objc/objc-act.c (lang_identify): Constify a char*.
17926 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17928 * genpeep.c (main): Make generated file include "function.h".
17929 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17931 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17933 * Makefile.in: Update dependencies.
17934 * alias.c: Include "function.h"
17935 * c-decl.c: Likewise.
17936 * caller-save.c: Likewise.
17937 * calls.c: Likewise.
17938 * combine.c: Likewise.
17940 * explow.c: Likewise.
17941 * final.c: Likewise.
17942 * global.c: Likewise.
17943 * graph.c: Likewise.
17944 * local-alloc.c: Likewise.
17945 * loop.c: Likewise.
17946 * optabs.c: Likewise.
17947 * profile.c: Likewise.
17948 * recog.c: Likewise.
17949 * regclass.c: Likewise.
17950 * regmove.c: Likewise.
17951 * reload.c: Likewise.
17952 * reorg.c: Likewise.
17953 * resource.c: Likewise.
17954 * sched.c: Likewise.
17955 * stupid.c: Likewise.
17956 * config/1750a/1750a.c: Likewise.
17957 * config/a29k/a29k.c: Likewise.
17958 * config/arc/arc.c: Likewise.
17959 * config/arm/arm.c: Likewise.
17960 * config/arm/thumb.c: Likewise.
17961 * config/c4x/c4x.c: Likewise.
17962 * config/clipper/clipper.c: Likewise.
17963 * config/convex/convex.c: Likewise.
17964 * config/fx80/fx80.c: Likewise.
17965 * config/i860/i860.c: Likewise.
17966 * config/m68k/m68k.c: Likewise.
17967 * config/m88k/m88k.c: Likewise.
17968 * config/mips/mips.c: Likewise.
17969 * config/pdp11/pdp11.c: Likewise.
17970 * config/pyr/pyr.c: Likewise.
17971 * config/romp/romp.c: Likewise.
17972 * config/sh/sh.c: Likewise.
17973 * config/tahoe/tahoe.c: Likewise.
17974 * config/vax/vax.c: Likewise.
17975 * config/we32k/we32k.c: Likewise.
17976 * config/sparc/sparc.c: Include "function.h".
17977 (mem_min_alignment): Test current_function rather than
17978 regno_pointer_align.
17979 * config/pa/pa.c: Likewise.
17980 (compute_frame_size): Delete declaration of
17981 current_function_outgoing_args_size.
17982 * config/arc/arc.h (current_function_varargs): Delete declaration.
17983 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17985 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17987 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17988 current_function_uses_pic_offset_table.
17989 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17990 of current_function_returns_pointer.
17991 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17992 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17993 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17994 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17995 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17996 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17997 * config/m88k/m88k.c: Include "function.h"
17998 (call_used_regs, current_function_pretend_args_size,
17999 current_function_outgoing_args_size, frame_pointer_needed): Delete
18001 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
18003 * config/mips/mips.h (current_function_calls_alloca): Delete
18005 * config/mn10200/mn10200.h (current_function_needs_context,
18006 rtx_equal_function_value_matters): Delete declarations.
18007 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
18008 flag_pic): Delete declarations.
18009 * config/pa/pa.h (current_function_pretend_args_size,
18010 current_function_decl): Delete declarations.
18011 * config/pa/som.h (current_function_varargs): Delete declaration.
18012 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
18014 * config/pyr/pyr.h (current_function_pretend_args_size,
18015 current_function_args_size, current_function_calls_alloca): Delete
18017 * config/sh/sh.h (current_function_varargs): Delete declaration.
18018 * config/sparc/sparc.h (current_function_outgoing_args_size,
18019 current_function_calls_alloca, current_function_decl): Delete
18021 * config/spur/spur.h (current_function_pretend_args_size,
18022 current_function_calls_alloca): Delete declarations.
18023 * config/v850/v850.c (current_function_outgoing_args_size): Delete
18025 * config/vax/vms.h (current_function_name): Delete declaration.
18026 * gcse.c: Include "function.h".
18027 (current_function_name, current_function_calls_setjmp): Delete
18029 * haifa-sched.c: Include "function.h".
18030 (forced_labels): Delete declaration.
18031 * jump.c: Likewise.
18032 * reg-stack.c: Likewise.
18033 * reload1.c: Likewise.
18034 * genemit.c (main): Make generated file include function.h.
18035 * genoutput.c (output_prologue): Likewise.
18037 * builtins.c (saveregs_value, apply_args_value): Delete variables.
18038 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
18039 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
18040 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
18041 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
18042 macros for some of them.
18043 (emit_filename, emit_lineno): Delete declarations.
18044 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
18045 regno_pointer_* variables through current_function.
18046 (gen_inline_header_rtx): Delete function.
18047 (save_emit_status): Delete function.
18048 (set_new_last_label_num): New function.
18049 (clear_emit_caches): New function.
18050 (restore_emit_status): Just clear last_labelnum and call
18052 (get_last_insn_anywhere): Variable sequence_stack is now accessed
18053 through macro seq_stack.
18054 (add_insn_after): Likewise.
18055 (add_insn_before): Likewise.
18056 (remove_insn): Likewise.
18057 (pop_topmost_sequence): Likewise.
18058 (in_sequence_p): Likewise.
18059 (start_sequence_for_rtl_expr): Likewise.
18060 (start_sequence): Likewise, and likewise for
18061 sequence_rtl_expr/seq_rtl_expr.
18062 (push_topmost_sequence): Likewise.
18063 (end_sequence): Likewise.
18064 (init_virtual_regs): Now takes a "struct emit_status *" argument.
18065 All callers changed. Store into that pointer instead of globals.
18066 (init_emit): Allocate emit elt of current_function.
18067 Changes for sequence_rtl_expr/sequence_stack renaming.
18068 Call clear_emit_caches instead of doing it in-line.
18069 Access regno_pointer_* variables through current_function.
18070 (init_emit_once) Don't clear sequence_stack.
18072 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
18074 (arg_pointer_save_area): Delete declaration.
18075 (finish_expr_for_function): Renamed from init_queue; no longer static.
18076 (init_expr): Don't call init_queue.
18077 (save_expr_status, restore_expr_status): Delete functions.
18078 (expand_expr): Changes to reflect new layout of struct function.
18079 Don't access current_function_check_memory_usage when current_function
18081 * expr.h (forced_labels, save_expr_regs, saveregs_value,
18082 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
18083 current_function_outgoing_args_size, current_function_arg_offset_rtx,
18084 current_function_uses_const_pool, function_call_count,
18085 current_function_uses_pic_offset_table, nonlocal_labels,
18086 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
18087 current_function_check_memory_usage, nonlocal_goto_handler_slots,
18088 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
18090 (finish_expr_for_function): Declare.
18091 * flags.h (current_function_has_nonlocal_label,
18092 current_function_has_nonlocal_goto, current_function_is_thunk,
18093 current_function_has_computed_jump): Delete declarations.
18094 * flow.c (forced_labels): Delete declaration.
18095 * function.c (current_function_pops_args,
18096 current_function_returns_struct, current_function_returns_pcc_struct,
18097 current_function_needs_context, current_function_calls_setjmp,
18098 current_function_calls_longjmp, current_function_has_nonlocal_label,
18099 current_function_has_nonlocal_goto, current_function_is_thunk,
18100 current_function_has_computed_jump, current_function_calls_alloca,
18101 current_function_contains_functions, current_function_returns_pointer,
18102 current_function_epilogue_delay_list, current_function_args_size,
18103 current_function_pretend_args_size, current_function_arg_offset_rtx,
18104 current_function_outgoing_args_size, current_function_varargs,
18105 current_function_stdarg, current_function_args_info, cleanup_label,
18106 current_function_name, current_function_uses_const_pool,
18107 current_function_instrument_entry_exit, current_function_return_rtx,
18108 current_function_uses_pic_offset_table, nonlocal_labels,
18109 current_function_internal_arg_pointer, current_function_cannot_inline,
18110 current_function_check_memory_usage, function_call_count,
18111 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
18112 nonlocal_goto_stack_level, return_label, save_expr_regs,
18113 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
18114 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
18115 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
18116 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
18117 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
18119 (push_function_context_to): Don't save them. Don't call
18120 save_storage_status, save_emit_status or save_expr_status.
18121 (pop_function_context_from): Don't restore them. Don't call
18122 restore_storage_status or restore_expr_status.
18123 (get_func_frame_size): New function.
18124 (get_frame_size): Use it.
18125 (assign_outer_stack_local): Reflect some member name changes in struct
18127 (put_reg_into_stack): Likewise.
18128 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
18130 (fixup_var_refs): Likewise.
18131 (fix_lexical_addr): Likewise.
18132 (trampoline_address): Likewise.
18133 (prepare_function_start): Clear field inlinable of current_function.
18134 (init_function_for_compilation): New function.
18135 (expand_dummy_function_end): New function.
18136 (expand_function_end): Call finish_expr_for_function.
18137 * function.h (struct emit_status): New; fields moved here from struct
18138 function and from global variables. Add accessor macros for some of
18140 (struct expr_status): Likewise.
18141 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
18142 (struct function): Add fields expr and emit, inlinable, inl_emit,
18143 original_arg_vector, original_decl_initial, inl_last_parm_insn,
18144 inl_max_label_num. Add many comments.
18145 Add accessor macros for all elts of struct function that no longer
18146 have a global variable.
18147 (cleanup_label, return_label, frame_offset, tail_recursion_label,
18148 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
18149 stack_slot_list): Delete declarations.
18150 (get_func_frame_size): Declare.
18151 (save_expr_status, restore_expr_status, save_emit_status,
18152 save_storage_status, restore_storage_status): Delete declarations.
18153 (init_virtual_regs): Declare.
18154 * output.h (current_function_pops_args,
18155 current_function_returns_struct, current_function_returns_pcc_struct,
18156 current_function_needs_context, current_function_calls_setjmp,
18157 current_function_calls_longjmp, current_function_calls_alloca,
18158 current_function_has_nonlocal_label, current_function_varargs,
18159 current_function_has_computed_jump, current_function_returns_pointer,
18160 current_function_contains_functions, current_function_args_size,
18161 current_function_pretend_args_size, current_function_stdarg,
18162 current_function_outgoing_args_size, current_function_args_info,
18163 current_function_name, current_function_return_rtx,
18164 current_function_epilogue_delay_list,
18165 current_function_uses_const_pool, current_function_cannot_inline):
18166 Delete declarations.
18167 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
18168 regno_reg_rtx): Delete declaration.
18169 (REGNO_POINTER_FLAG): Delete macro.
18170 * stmt.c (expand_goto): Changes to reflect that some fields in struct
18171 function were renamed.
18172 * stor-layout.c (save_storage_status, restore_storage_status): Delete
18174 * toplev.c: Include "function.h".
18175 (current_function_decl): Delete declaration.
18176 (compile_file): Call init_dummy_function_start and
18177 expand_dummy_function_end around some initializations that need to
18179 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
18180 Call init_function_for_compilation.
18181 * unroll.c: Include "function.h"
18182 (unroll_loop): Access regno_pointer_* variables through
18185 * tree.h (struct tree_decl): Add elt f to saved_insns member.
18186 (DECL_SAVED_INSNS): use it.
18187 (expand_dummy_function_end): Declare.
18188 (init_function_for_compilation): Declare.
18189 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
18190 that it's no longer an INLINE_HEADER.
18191 (expand_call): Likewise.
18192 * integrate.c (finish_inline): Delete function.
18193 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
18194 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
18195 args. Don't generate an INLINE_HEADER rtx, just return the arg
18196 vector. All callers changed.
18197 (save_for_inline_copying): Create a duplicate struct emit_status to
18198 hold the emit state for compiling the current function. Use this and
18199 the other new fields in struct function that are for integration
18200 instead of an INLINE_HEADER.
18201 Use memcpy instead of bcopy.
18202 Store the current struct function in DECL_SAVED_INSNS of fndecl.
18203 (save_for_inline_nocopy): Similar changes, except no new emit_status
18205 (expand_inline_function): Get information from function structure,
18206 not from an inline header rtx.
18207 (output_inline_function): Lose code to extract the necessary
18208 information from an inline header; simply put back the function
18209 structure into current_function. Clear its inlinable elt.
18210 * rtl.def (INLINE_HEADER): Delete.
18211 * rtl.h: Delete all accessors for an INLINE_HEADER.
18212 (gen_inline_header_rtx): Delete declaration.
18213 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
18214 Delete declarations.
18215 (REGNO_POINTER_ALIGN): Delete.
18216 (clear_emit_caches): Declare.
18217 (set_new_last_label_num): Declare.
18219 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
18221 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
18223 * except.c (expand_eh_region_start_for_decl): Always start a new block.
18224 * stmt.c (is_eh_region): Make sure current_function is present, too.
18226 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
18228 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
18229 for 64bit PA targets.
18231 * pa.h (SELECT_SECTION): Define.
18232 * som.h (SELECT_SECTION): Delete.
18234 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18236 * alias.c (init_alias_analysis): Wrap call to
18237 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
18239 1999-08-07 Bruce Korb <autogen@linuxbox.com>
18241 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
18242 <sys/asm.h> contains an asm comment with an apostrophe
18243 * fixinc/inclhack.sh: regen
18244 * fixinc/fixincl.x: regen
18246 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
18248 * function.c (init_function_start): Clear prologue & epilogue.
18249 (prologue_epilogue_contains): New function.
18250 * alias.c (init_alias_analysis): Use it.
18251 * rtl.h (prologue_epilogue_contains): Declare it.
18253 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
18255 * jump.c (onlyjump_p): New function.
18256 * rtl.h: Declare it.
18257 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
18258 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
18260 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
18262 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
18263 to invert loops. Simplify block scanning.
18265 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18267 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
18268 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
18270 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
18272 * config/sparc/liteelf.h: New file to support sparclite-elf target
18273 * config/sparc/t-sp86x: New file to support sparc86x targets
18274 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
18275 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
18276 * configure.in: Support above target triplets
18277 * configure: Regenerated
18279 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
18281 * fixinc/server.c (server_setup): Do not prefix function used as
18282 parameter with `&'.
18284 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
18286 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
18287 Remove fp reg alternatives.
18289 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
18291 * Makefiin (TAROUTOPTS): Kill.
18292 (install-headers-tar): Use "xpf" for tar headerfile extraction
18293 * i370/x-oe (TAROUTOPTS): Delete.
18294 * m68k/x-apollo68 (TAROUTOPTS): Delete.
18295 * m68k/x-hp320 (TAROUTOPTS): Delete.
18296 * m68k/x-hp320g (TAROUTOPTS): Delete.
18297 * gcc.texi: Update bug reporting text.
18299 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18301 * reg-stack.c (change_stack) Fixed problem with negative array index.
18303 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
18305 * extend.texi, install.texi: Fix spelling mistakes.
18307 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
18308 (s-attrtab); No longer try to use pre-made insn-attrtab file.
18309 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
18310 PREMADE_ATTRTAB_MD.
18311 * mips/t-ecoff: Likewise.
18312 * mips/t-elf: Likewise.
18313 * mips/t-mips: Likewise.
18314 * mips/t-osfrose: Likewise.
18315 * mips/t-r3900: Likewise.
18316 * mips/t-svr3: Likewise.
18317 * mips/t-svr4: Likewise.
18318 * mips/t-ultrix: Likewise.
18320 * gcc.texi: Document recommend means to provide software floating
18321 point libraries in libgcc.a
18323 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
18325 * c-lex.c (yylex): We can have a number with no digits.
18327 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
18329 * jump.c (delete_prior_computation): New function, broken
18330 out of delete_computation. Check for side effects with
18331 side_effects_p instead of FIND_REG_INC_NOTE. Handle
18332 multi-word hard registers.
18333 (delete_computation): Use it. Check for side effects with
18334 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
18335 missing REG_DEAD note for a register which is both set and
18338 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
18340 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
18341 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
18342 (ASM_FILE_START): Import _mcount with the right type.
18343 (ASM_DECLARE_FUNCTION_NAME): Define.
18344 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
18345 * pa.c (output_function_prologue): Always emit the function's label
18347 * pa.h (TEXT_SPACE_P): Define.
18348 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18349 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
18350 * som.h (TEXT_SPACE_P): Delete.
18351 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18352 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
18354 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
18356 * expr.c (emit_group_load): Allow src to be a CONCAT.
18358 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18360 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
18361 (___mulsi3): Use '!' comment character.
18363 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18365 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
18367 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
18369 * gcc.c: Update URLs and mail addresses.
18370 * gcc.texi: Likewise.
18372 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
18374 * rs6000.c (current_file_function_operand): Return zero for
18376 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
18378 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
18381 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
18383 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
18384 allocate space in the stack frame for the PIC register.
18386 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
18388 * m68k.md (xordi3, anddi3): These patterns are not available on
18391 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
18393 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
18394 (PUT_REAL): Likewise.
18396 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18398 * final.c (shorten_branches): Don't add an alignment for loops
18399 that have no label inside.
18401 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18403 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
18404 prototypes in macro HAVE_cmpstrsi.
18406 * cpplib.c (cpp_get_token): Remove unused label `op3'.
18408 * emit-rtl.c (operand_subword): Remove unused variable
18411 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
18413 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
18415 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
18417 * cpphash.c (macroexpand): Delete leading whitespace when arg
18418 is concatenated before.
18419 (unsafe_chars): Correct test for whether + and - can extend a
18422 * cppinit.c (cpp_start_read): Do dependencies for
18423 -include/-imacros files also.
18425 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
18426 tokenizing non-directive lines.
18427 (cpp_expand_to_buffer): Temporarily disable no-output mode.
18428 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
18431 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18433 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
18435 * c-lex.c: Sync with C++ frontend.
18436 (linemode): New variable.
18437 (parse_float): imag, conversion_errno, and type are output only.
18438 (yylex): Adjust. Move initial '.' case into main switch.
18440 (handle_generic_pragma): Just deal with tokens.
18441 (readescape): Use ISXDIGIT and ISGRAPH.
18442 * c-parse.in: Add END_OF_LINE token.
18444 * c-lex.c (lang_init): Generalize.
18445 (nextchar): Remove. Replace uses with UNGETC.
18446 (skip_white_space): Handle linemode here. Optimize for cpplib.
18447 (skip_white_space_on_line): Remove.
18448 (extend_token_buffer_to): New fn.
18449 (extend_token_buffer): Use it.
18450 (read_line_number, check_newline): Just deal with tokens.
18451 (token_getch, token_put_back): New fns.
18452 (yylex): Use them. More cpplib optimizations. Simplify.
18454 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18455 Jason Merrill <jason@yorick.cygnus.com>
18457 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
18458 (consume_string): Make this smart about USE_CPPLIB.
18459 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
18460 (yylex): Rewrite to be intelligent about USE_CPPLIB.
18461 Also, clean up cases where we redundantly set token_buffer[0].
18462 (read_line_number): New fn.
18463 (ignore_escape_flag): New variable.
18465 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
18467 * a29k/t-a29kbare: Fix some comments.
18468 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
18469 (FPBIT, DPBIT): Define.
18470 * a29k/t-vx29k: Likewise.
18471 * arc/t-arc: Likewise.
18472 * arm/t-arm-elf: Likewise.
18473 * arm/t-bare: Likewise.
18474 * arm/t-pe: Likewise.
18475 * arm/t-pe-thumb: Likewise.
18476 * arm/t-semi: Likewise.
18477 * arm/t-thumb: Likewise.
18478 * arm/t-thumb-elf: Likewise.
18479 * arm/t-thumb-linux: Likewise.
18480 * h8300/t-h8300: Likewise.
18481 * i960/t-i960: Likewise.
18482 * i960/t-vxworks960: Likewise.
18483 * m32r/t-m32r: Likewise.
18484 * mips/t-ecoff: Likewise.
18485 * mips/t-elf: Likewise.
18486 * mips/t-r3900: Likewise.
18487 * pa/t-pro: Likewise.
18488 * rs6000/t-aix43: Likewise.
18489 * rs6000/t-beos: Likewise.
18490 * rs6000/t-newas: Likewise.
18491 * rs6000/t-ppccomm: Likewise.
18492 * rs6000/t-rs6000: Likewise.
18493 * rs6000/t-winnt: Likewise.
18494 * rs6000/t-xnewas: Likewise.
18495 * rs6000/t-xrs6000: Likewise.
18496 * sh/t-sh: Likewise.
18497 * sparc/t-elf: Likewise.
18498 * sparc/t-sparcbare: Likewise.
18499 * sparc/t-sparclite: Likewise.
18500 * sparc/t-splet: Likewise.
18501 * v850/t-v850: Likewise.
18502 * mn10200/t-mn10200: Fix comments.
18503 * mn10300/t-mn10300: Likewise.
18505 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
18506 dummy operand. Allocate a new pseudo for the dummy operand.
18507 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
18509 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
18511 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
18513 * configure: Rebuilt.
18514 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
18516 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
18518 * recog.c (preproces_constraints): Zero recog_op_alt before
18519 processing the constraints.
18521 * arm.c (typedef minipool_node): Renamed from pool_node.
18522 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
18523 (add_minipool_constant): New function.
18524 (dump_minipool): New function.
18525 (find_barrier): Remove special case for getting the insn size of
18526 an insn that references the constant pool.
18527 (minipool_fixup): New structure.
18528 (push_minipool_barrier): New function.
18529 (push_minipool_fix): New function.
18530 (note_invalid_constants): New function.
18531 (add_pool_constant, dump_table, fixit, broken_move): Delete.
18532 (arm_reorg): Rewrite code to fix up the constant pool into a
18533 series of mini-pools embedded in the insn stream.
18534 (arm_output_epilogue): New function, made mainly from the body
18535 of output_func_epilogue.
18536 (output_func_epilogue): Move insn generation part of epilogue code
18537 to arm_output_epilogue.
18538 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
18539 * arm.md (pool_range): New attribute.
18540 (zero_extendqidi2): Add attribute pool_range.
18541 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18542 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18543 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18544 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18545 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18546 (epilogue): New expand.
18547 (epilogue_insn): New insn. Call arm_output_epilogue.
18549 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18550 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18552 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18554 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18556 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18558 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18560 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18562 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18564 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18566 * global.c: Fix comment.
18568 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18570 * gcc.c (access_check): New static function.
18571 (find_a_file): Use it when searching a directory list.
18572 * collect2.c (find_a_file): Don't accept directories found when
18573 searching a directory list.
18575 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18577 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18578 function parameters with `&'.
18579 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18581 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18583 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18584 or tidy_fallthru_edge if the last insn in the block is not
18585 an unconditional jump or a simple conditional jump.
18587 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18589 * Makefile.in (c-decl.o): Depends on defaults.h.
18591 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18593 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18595 (CLASS_MAX_NREGS): Likewise.
18597 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18599 * cse.c (cse_insn): Fix dumb thinko in last change.
18601 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18603 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18606 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18608 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18609 test for sizes of passed and declared parameter types.
18611 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18613 * fixincludes: Fix the return type of bsearch, char* -> void*.
18615 * fixinc/inclhack.def: Likewise.
18617 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18619 * invoke.texi (-fdump-translation-unit): New option.
18621 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18623 * expr.h (PROMOTE_PROTOTYPES): Move ...
18624 * defaults.h: ... to here.
18625 * c-decl.c: Include defaults.h instead of expr.h.
18626 * c-typeck.c: Include defaults.h.
18628 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18630 * toplev.h (errorcount): Declare.
18631 (warningcount): Likewise.
18632 (sorrycount): Likewise.
18633 * c-lex.c (errorcount): Don't declare.
18634 * dwarf2out.c (errorcount): Don't declare.
18636 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18638 * config/libgloss.h: Add a note discouraging use with ELF.
18639 * configure.in: Don't use libgloss.h for ELF targets.
18640 Always use_collect2 on a.out targets.
18642 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18644 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18645 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18647 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18649 * loop.c (strength_reduce): When doing biv->giv conversion, update
18650 reg note of NEXT->insn.
18652 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18654 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18656 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18658 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18659 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18660 Ensure expr.h is included.
18661 * c-typecheck.c (convert_arguments): Ditto.
18663 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18665 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18666 * config/convex/convex.h: Ditto.
18667 * config/dsp16xx/dsp16xx.h: Ditto.
18668 * config/fx80/fx80.h: Ditto.
18669 * config/gmicro/gmicro.h: Ditto.
18670 * config/i370/i370.h: Ditto.
18671 * config/i386/i386.h: Ditto.
18672 * config/m32r/m32r.h: Ditto.
18673 * config/m68k/m68k.h: Ditto.
18674 * config/m88k/m88k.h: Ditto.
18675 * config/mips/mips.h: Ditto.
18676 * config/pa/pa.h: Ditto.
18677 * config/pyr/pyr.h: Ditto.
18678 * config/tahoe/tahoe.h: Ditto.
18679 * config/we32k/we32k.h: Ditto.
18681 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18682 based on arch size.
18684 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18686 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18689 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18691 1999-08-02 Richard Henderson <rth@cygnus.com>
18693 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18694 for the register spill block.
18695 (m32r_va_arg): New.
18696 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18697 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18699 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18700 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18701 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18703 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18705 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18706 MAX_WCHAR_TYPE defined in sparc.h.
18707 * config/sparc/linuxaout.h: Likewise.
18708 * config/sparc/linux64.h: Likewise.
18709 Also default to -mvis if CPU is UltraSPARC.
18711 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18713 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18714 (RTX_OK_FOR_OLO10): Likewise.
18715 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18716 %lo(), allow it in addresses...
18717 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18718 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18719 does not make sense.
18720 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18721 (sparc_output_scratch_registers): New function.
18722 (output_function_prologue, sparc_flat_output_function_prologue): Use
18724 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18726 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18727 * configure.in: Add check for .register pseudo-op support in as and
18728 check for offsetable %lo().
18729 * acconfig.h: Add templates for the above checks.
18730 * configure: Regenerate.
18732 1999-08-02 Richard Henderson <rth@cygnus.com>
18734 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18735 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18736 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18738 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18740 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18743 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18745 * config/float-sparc.h: New file.
18746 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18747 sparc-*-linux-gnu and sparc64-*-linux*.
18749 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18751 * rs6000.c (rs6000_va_list): Type is an array.
18752 (rs6000_va_start): Don't doubly adjust for varargs.
18753 (rs6000_va_arg): Evaluate long long GPR adjustment.
18755 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18757 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18758 -maix64 and -maix32.
18759 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18760 LINK_SPEC): Change appropriately.
18761 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18762 (u_short_cint_operand): Likewise.
18763 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18765 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18767 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18769 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18771 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18772 for type promotion.
18773 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18774 (non_add_cint_operand): Likewise.
18775 (logical_operand): Likewise.
18776 (non_logical_cint_operand): Likewise.
18777 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18778 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18779 (rs6000_select_rtx_section): Suppress warning.
18780 (small_data_operand): Suppress warning.
18781 (rs6000_got_register): Suppress warning.
18782 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18783 type, so `J' is generally the wrong constraint for a SImode value;
18785 (andsi3_internal2): Likewise.
18786 (andsi3_internal3): Likewise.
18787 (iorsi3_internal1): Likewise.
18788 (xorsi3_internal1): Likewise.
18790 (movsf_softfloat): Likewise.
18791 (scc insns): Likewise.
18792 (movsi+2): Preserve sign bits of SImode constant.
18793 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18794 (movdf+1): Sign-extend properly.
18795 (movdi_32+1): Sign-extend properly.
18796 (scc insns): Sign-extend properly.
18798 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18801 1999-08-02 Richard Henderson <rth@cygnus.com>
18803 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18804 -mcpu parsing code.
18805 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18806 * alpha.md (all fp insns): Likewise.
18808 1999-08-02 Nick Clifton <nickc@cygnus.com>
18810 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18813 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18815 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18816 pic_load_label generator directly.
18817 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18818 No longer a named pattern.
18820 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18822 * explow.c (force_reg): Call force_operand if X does not
18823 satisfy general_operand.
18825 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18827 * fix-header.c (main): When testing for CONTINUED, use string
18828 equality, not pointer equality.
18830 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18832 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18834 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18836 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18837 that has become an unconditional jump.
18839 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18840 (output_function_epilogue): Similarly.
18842 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18844 * tree.h (init_dummy_function_start): Declare.
18846 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18848 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18849 last_expr_type, last_expr_value, block_start_count, block_stack,
18850 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18851 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18852 dynamically in stmt elt of struct function for each function.
18853 (struct nesting): Rename function_call_count elt to n_function_calls,
18854 target_temp_slot_level to block_target_temp_slot_level. All users
18856 (struct stmt_status): New structure definition.
18857 Add many accessor macros for stmt_status elements which previously
18858 were global variables.
18859 (init_stmt_for_function): Allocate stmt elt for current_function.
18860 Reflect that block_start_count was renamed to
18861 current_block_start_count.
18862 (save_stmt_status, restore_stmt_status): Delete functions.
18863 (preserve_subexpressions_p): Don't access loop_stack when outside
18865 (expand_start_bindings): Reflect that block_start_count was renamed to
18866 current_block_start_count.
18867 (expand_fixup): Likewise.
18868 (expand_decl): Don't access block_stack when outside a function.
18869 (expand_decl_cleanup): Likewise.
18870 (expand_dcc_cleanup): Likewise.
18871 (expand_dhc_cleanup): Likewise.
18872 (expand_anon_union_decl): Likewise.
18873 (set_file_and_line_for_stmt): New function.
18874 (in_control_zone_p): New function.
18876 * function.h (struct function): Add new elt stmt.
18877 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18878 case_stack, nesting_stack, nesting_depth, block_start_count,
18879 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18880 emit_lineno, goto_fixup_chain.
18881 (save_eh_status, restore_eh_status, save_stmt_status,
18882 restore_stmt_status): Delete declarations.
18883 * function.c (push_function_context_to): Don't call save_stmt_status.
18884 (pop_function_context_to): Don't call restore_stmt_status.
18885 * tree.h (in_control_zone_p): Declare.
18886 * rtl.h (set_file_and_line_for_stmt): Declare.
18888 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18889 call set_file_and_line_for_stmt.
18891 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18893 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18894 Also update copyright.
18896 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18898 * c-pragma.c: Don't include "except.h".
18899 * emit-rtl.c: Likewise.
18900 * stor-layout.c: Likewise.
18901 * tree.c: Likewise.
18902 * varasm.c: Likewise.
18904 * flow.c: Include "function.h".
18905 * tree.h (init_dummy_function_start): Declare new function.
18907 * except.h (struct eh_status): New structure.
18908 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18910 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18911 catch_clauses, false_label_stack, caught_return_label_stack,
18912 protect_list, current_function_ehc): Add accessor macros for the
18913 corresponding fields in current_function->eh; delete declarations
18914 for all items that used to be declared here.
18915 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18916 catch_clauses, false_label_stack, caught_return_label_stack,
18917 protect_list, current_function_ehc): Delete variables.
18918 (init_eh_for_function): Allocate current_function->eh.
18919 (save_eh_status, restore_eh_status): Delete functions.
18921 * function.h (struct function): Add fields next_global and eh.
18922 Delete all exception handling related fields.
18923 * function.c (current_function): New variable.
18924 (all_functions): New variable.
18925 (push_function_context_to): Don't allocate a struct function,
18926 use current_function instead. Call init_dummy_function_start when
18927 outside a function. Clear current_function before returning.
18928 (pop_function_context_from): Restore current_function.
18929 Don't free the restored struct function.
18930 (prepare_function_start): New function.
18931 (init_dummy_function_start): New function.
18932 (init_function_start): Break out some code into prepare_function_start
18935 * stmt.c (save_stmt_status): Don't call save_eh_status.
18936 (restore_stmt_status): Don't call restore_eh_status.
18938 * Makefile.in: Update dependencies.
18940 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18942 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18943 of depending on a magic constant value. Update comments.
18944 (hppa_expand_prologue): Similarly.
18946 * pa.md (reload_indi, reload_outdi): Allow any register for the
18947 original reload register.
18949 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18951 * cccp.c (print_help): Change marcos to macros.
18953 1999-07-30 Richard Henderson <rth@cygnus.com>
18955 * c-typeck.c (initializer_constant_valid_p): Move ...
18956 * c-common.c (initializer_constant_valid_p): ... here. Use
18957 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18958 of label addresses.
18959 * c-common.h (initializer_constant_valid_p): Declare.
18960 * c-tree.h (initializer_constant_valid_p): Remove.
18962 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18964 * config/i386/sol2-c1.asm: Align the stack.
18965 * config/i386/sol2-gc1.asm: Likewise.
18967 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18969 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18970 -Asparclite for sparc86x.
18971 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18973 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18975 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18977 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18978 the user if using the non-default arch size in BI_ARCH configuration.
18979 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18981 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18982 Fix patterns so that they actually match.
18983 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18984 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18985 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18987 (mulsidi3): Reflect this in the expand.
18988 (smulsi3_highpart): Only on TARGET_ARCH32.
18989 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18990 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18991 (umulsidi3): Reflect this in the expand.
18992 (umulsi3_highpart): Only on TARGET_ARCH32.
18993 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18994 don't require g0 to be zero.
18995 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18996 ({,u}divsi3): New expands.
18997 ({,u}divsi3_sp64): New patterns.
18998 (after lshrdi3_v8plus): Four new patterns to help combiner
18999 optimizing nested mixed mode shifts.
19001 * config/sparc/sparc.c (sparc_override_options): Use deprecated
19002 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
19003 speed things up. Don't use them by default on plain v9 in 64bit
19004 mode, according to what SPAMv9 sais.
19006 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
19007 top 32 bits of %[og][0-7] in signal handlers.
19008 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
19010 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
19012 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
19013 (ashlsi3): Corresponding changes.
19015 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
19017 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
19019 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
19021 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19023 * arm.h (Hint): Delete macro.
19024 Substitute HOST_WIDE_INT for Hint in some prototypes.
19025 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
19027 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
19029 * builtins.c (expand_builtin_setjmp): Use force_operand to
19030 make sure that the buffer address is in a suitable form to be
19031 passed to force_reg.
19033 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
19035 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
19038 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
19040 * pa.md (indirect_jump): Remove mode from match_operand. Verify
19041 proper mode in the condition string.
19042 (icacheflush, dcacheflush): Remove modes from match_operands.
19044 * pa.c (emit_move_sequence): Always convert scratch_reg to the
19045 proper mode before using it.
19047 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
19050 * pa.c (store_reg): Do not call add_high_const generator directly.
19051 (load_reg, set_reg_plus_d): Likewise.
19052 * pa.md (add_high_const): No longer a named pattern.
19054 * pa.c (legitimize_address): Consistently use Pmode rather than
19055 SImode. Do not call gen_pic2_highpart directly anymore.
19056 * pa.md (pic2_highpart): No longer a named pattern.
19057 (pic2_lo_sum): Similarly. Reformat to make more readable.
19059 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
19064 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19066 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
19068 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
19070 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
19071 and tag the spill mems.
19072 (hppa_va_start): New.
19073 (hppa_va_arg): New.
19074 * pa.h (EXPAND_BUILTIN_VA_START): New.
19075 (EXPAND_BUILTIN_VA_ARG): New.
19077 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
19079 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
19080 and tag the spill mems.
19081 (mn10300_va_start): New.
19082 (mn10300_va_arg): New.
19083 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
19084 (EXPAND_BUILTIN_VA_ARG): New.
19086 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
19088 * mn10200.c (mn10200_va_arg): New.
19089 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
19091 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
19093 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
19094 rather than play with TREE_INT_CST_LOW.
19096 1999-07-27 Philip Blundell <pb@nexus.co.uk>
19098 * config/arm/telf.h: Include dbxelf.h.
19099 (CPP_PREDEFINES): Only define if not already defined.
19100 (ASM_IDENTIFY_GCC): Likewise.
19101 (SUBTARGET_EXTRA_SECTIONS): Likewise.
19102 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
19103 * config/arm/thumb.h (LINK_SPEC): Only define if not already
19105 (DBX_DEBUGGING_INFO): Don't define.
19106 * config/arm/linux-telf.h: New file.
19107 * config/arm/linux-tgas.h: New file.
19108 * config/arm/t-thumb-linux: New file.
19109 * config/arm/uclinux-elf.h: New file.
19110 * config/arm/uclinux-telf.h: New file.
19111 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
19112 thumb-*-uclinux): New targets.
19113 * configure: Regenerate.
19115 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
19117 * pa.md (post_store, pre_load): New expanders.
19118 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
19119 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
19120 need to directly generate RTL for them.
19121 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
19124 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
19126 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
19127 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
19128 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
19129 (secndary_reload_class): Make TARGET_ELF conditional compile.
19130 (print_operand_address): Similar.
19131 (output_toc): Print all values as hex.
19132 (get_issue_rate): Rearrange and add RS64A and PPC630.
19133 * rs6000.h (processor_type): Add RS64A and PPC630.
19134 (PROCESSOR_POWERPC64): New.
19135 (PROMOTE_MODE): Use word_mode.
19136 (RTX_COSTS): Add RS64A and PPC630.
19137 * rs6000.md (scheduling information): Add lmul and ldiv
19138 representing 64-bit integer multiply and divide. Add rs64a and
19139 PPC630 information.
19140 (ashldi3): Add support for "rldic" instruction.
19141 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
19143 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
19145 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
19146 instead of V8 for sparclite86x in cpu_table.
19148 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19150 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
19151 output_file_directive.
19153 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
19155 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
19156 tree for op1, not the rtl.
19158 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
19160 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
19161 to m88k_va_start, leaving only the register spill.
19162 (m88k_build_va_list): New.
19163 (m88k_va_start): New.
19164 (m88k_va_arg): New.
19165 * m88k.h (BUILD_VA_LIST_TYPE): New.
19166 (EXPAND_BUILTIN_VA_START): New.
19167 (EXPAND_BUILTIN_VA_ARG): New.
19169 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
19171 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
19172 Rename from expand_builtin_saveregs.
19173 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
19175 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
19177 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
19178 for the register spill block.
19179 (i960_build_va_list): New.
19180 (i960_va_start): New.
19181 (i960_va_arg): New.
19182 * i960.h (BUILD_VA_LIST_TYPE): New.
19183 (EXPAND_BUILTIN_VA_START): New.
19184 (EXPAND_BUILTIN_VA_ARG): New.
19185 * i960.md (store_multiple): Use change_address on individul mems.
19187 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
19189 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
19191 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
19192 (expand_builtin_va_end): Evaluate arg for side effects.
19193 * c-common.c (c_common_nodes_and_builtins): Construct a
19194 va_list_arg_type_node to handle array decomposition to pointer.
19196 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
19198 * except.c (st_dynamic_cleanup): Use force_operand on the
19201 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
19203 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
19204 * c4x.c (c4x_va_arg): New.
19206 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
19208 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
19209 has manual_pop set.
19211 1999-07-26 Nathan Sidwell <nathan@acm.org>
19213 * eh-common.h (__eh_matcher): Prototype correctly.
19215 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
19217 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
19218 (TARGET_SINGLE_PIC_BASE): Likewise.
19219 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
19221 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
19222 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
19223 (TARGET_OPTIONS): Add -mpic-register=N.
19224 (OUTPUT_INT_ADDR_CONST): New macro.
19225 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
19226 LEGITIMATE_PIC_OPERAND_P): Likewise.
19227 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
19228 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
19229 output_addr_const directly.
19230 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
19232 (thumb_pic_register, thumb_pic_register_string): Declare.
19234 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
19236 (label_mentioned_p): New function: Imported from arm.c.
19237 (legitimize_pic_address): New function: Imported from arm.c.
19238 (is_pic):New function: Imported from arm.c.
19239 (thumb_finalize_pic):New function: Imported from arm.c.
19240 (add_constant): Cope with PIC constants.
19241 (fixit): Cope with PIC constants.
19242 (output_return): Do not treat the PIC register as live if
19243 TARGET_SINGLE_PIC_BASE is true.
19244 (thumb_function_prologue): Do not treat the PIC register as live if
19245 TARGET_SINGLE_PIC_BASE is true.
19246 (thumb_expand_prologue): Do not treat the PIC register as live if
19247 TARGET_SINGLE_PIC_BASE is true.
19248 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
19249 TARGET_SINGLE_PIC_BASE is true.
19250 (thumb_print_operand): Accept '|'.
19251 (thumb_override_options): Process PIC options.
19253 * config/arm/thumb.md (movsi): Support PIC.
19254 (call_insn): Change "i" constraint to "X".
19255 (call_value_insn): Likewise.
19256 (consttable_4, consttable_8, consttable_end): Set and clear
19257 "making_const_table" as appropriate.
19258 (pic_load_addr, pic_add_dot_plus_four): New insns.
19260 * invoke.texi (Thumb Options): Fix spelling. Document new
19261 options -msingle-pic-base and -mpic-register=.
19263 1999-07-26 Andrew Haley <aph@cygnus.com>
19265 * config/m32r/initfini.c (__init): Use a full word immediate for
19266 __fini: this allows it to be placed in any memory region.
19268 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
19269 -mmodel=medium. This is OK for all memory models.
19271 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
19273 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
19274 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
19276 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
19278 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
19281 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
19283 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
19285 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
19286 (BUILD_VA_LIST_TYPE): New.
19287 (EXPAND_BUILTIN_VA_START): New.
19288 (EXPAND_BUILTIN_VA_ARG): New.
19289 * i860.c (output_delayed_branch): Disable.
19290 (output_delay_insn): Likewise.
19291 (i860_saveregs): New.
19292 (i860_build_va_list): New.
19293 (i860_va_start): New.
19294 (i860_va_arg): New.
19295 * i860.md: Disable all peepholes using output_delayed_branch.
19296 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
19298 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
19300 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
19301 (BUILD_VA_LIST_TYPE): New.
19302 (EXPAND_BUILTIN_VA_START): New.
19303 (EXPAND_BUILTIN_VA_ARG): New.
19304 * clipper.c (clipper_builtin_saveregs): Only dump registers.
19305 Return the address of the save area.
19306 (clipper_build_va_list): New.
19307 (clipper_va_start): New.
19308 (clipper_va_arg): New.
19310 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
19312 * arc.h (EXPAND_BUILTIN_VA_START): New.
19313 (EXPAND_BUILTIN_VA_ARG): New.
19314 * arc.c (arc_setup_incoming_varargs): Set alias set of
19316 (arc_va_start): New.
19319 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
19321 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
19322 (BUILD_VA_LIST_TYPE): New.
19323 (EXPAND_BUILTIN_VA_START): New.
19324 (EXPAND_BUILTIN_VA_ARG): New.
19325 * alpha.c (alpha_builtin_saveregs): Delete.
19326 (alpha_build_va_list): New.
19327 (alpha_va_start): New.
19328 (alpha_va_arg): New.
19330 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
19332 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
19334 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
19335 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
19337 * gcc.texi: More changes related to list conversion.
19338 * invoke.texi: Likewise.
19340 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
19342 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
19343 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
19344 (expand_builtin_next_arg): Accept ARGLIST not EXP.
19345 (stabilize_va_list): New function.
19346 (std_expand_builtin_va_start): New function.
19347 (expand_builtin_va_start): New function.
19348 (get_varargs_alias_set): New function.
19349 (std_expand_builtin_va_arg): New function.
19350 (expand_builtin_va_arg): New function.
19351 (expand_builtin_va_end): New function.
19352 (expand_builtin_va_copy): New function.
19353 (expand_builtin): Call them.
19354 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
19355 __builtin_{varargs_start,stdarg_start,end,copy}.
19356 (build_va_arg): New function.
19357 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
19358 (build_va_arg): Declare.
19359 * c-decl.c (ptr_type_node, va_list_type_node): New.
19360 * c-parse.gperf (__builtin_va_arg): New.
19361 * c-parse.in (VA_ARG): New token.
19362 (unary_expr): Recognize it.
19363 * expr.c (expand_expr): Expand VA_ARG_EXPR.
19364 * expr.h (std_expand_builtin_va_start): Declare.
19365 (std_expand_builtin_va_arg): Declare.
19366 (expand_builtin_va_arg): Declare.
19367 (get_varargs_alias_set): Declare.
19368 * tree.def (VA_ARG_EXPR): New.
19369 * tree.h (BUILT_IN_VARARGS_START): New.
19370 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
19371 (ptr_type_node, va_list_type_node): Declare.
19372 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
19373 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
19374 * m88k.h, m88k.c: Likewise.
19375 * mn10300.h, mn10300.c: Likewise.
19376 * pa.h, pa.c: Likewise.
19377 * rs6000.h, rs6000.c: Likewise.
19378 * sh.h, sh.c: Likewise.
19379 * sparc.h, sparc.c: Likewise.
19381 * emit-rtl.c (operand_subword): Copy alias set.
19382 (change_address): Likewise.
19384 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
19386 * pa.c (compute_frame_size): Scan all the used callee saved registers,
19387 not just the first one.
19389 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
19391 * config/arm/arm.h (TARGET_SWITCHES): Add
19392 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
19393 (TARGET_OPTIONS): Add -mpic-register=.
19394 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
19395 (arm_pic_register_string): Declare.
19396 (NEED_PLT_GOT): Delete, replace with ...
19397 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
19398 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
19399 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
19400 * config/arm/arm.c (arm_override_options): Add new option
19402 (arm_pic_register_string): New variable.
19403 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
19404 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
19405 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
19406 (output_return_instruction): Likewise.
19407 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
19408 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
19409 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
19411 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
19412 mention of -msched-prolog. Document new options -msingle-pic-base
19413 and -mpic-register=.
19415 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
19417 * haifa-sched.c (reemit_notes): Tidy.
19418 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
19421 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
19423 * explow.c (trunc_int_for_mode): New function.
19424 (plus_constant_wide): Use it.
19425 * combine.c (simplify_and_const_int): Likewise.
19426 (merge_outer_ops): Likewise.
19427 (simplify_shift_const): Likewise.
19428 * cse.c (simplify_unary_operation): Likewise.
19429 (simplify_binary_operation): Likewise.
19430 * emit-rtl.c (operand_subword): Likewise.
19431 * rtl.h: Declare it.
19433 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19435 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
19436 (use NUM_REGS instead of NUM_INTS).
19438 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19440 * builtins.c: New file.
19441 * expr.c (saveregs_value, apply_args_value): Delete definition,
19442 moved into builtins.c.
19443 (string_constant): No longer static.
19444 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
19445 apply_args_size, apply_result_size, result_vector,
19446 expand_builtin_apply_args, expand_builtin_apply,
19447 expand_builtin_return): Delete functions, moved into builtins.c.
19448 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
19449 * expr.h (saveregs_value, apply_args_value): Declare variables.
19450 (expand_builtin, string_constant): Declare functions.
19451 * Makefile.in: Update to build builtin.o.
19453 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19455 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
19456 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
19457 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
19458 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
19460 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
19463 1999-07-21 Michael Meissner <meissner@cygnus.com>
19465 * print-rtl.c (print_rtx): Print the names of the virtual
19468 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
19470 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
19471 introduced in previous delta.
19473 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19475 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
19476 to avoid name clash.
19478 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19480 * c-lex.c (yylex) : Correct the test for overflow when lexing
19483 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
19485 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
19486 (adjust_priority): Always call ADJUST_PRIORITY.
19487 (schedule_insn): Only put insns into the ready at cost 0.
19488 (schedule_block): Remove redundant initial sort. Give clock_var
19489 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
19491 * tm.texi (MD_SCHED_REORDER): Update docs.
19493 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
19494 * sparc.c (ultra_reorder_called_this_block): Delete.
19495 (ultrasparc_sched_init): Don't set it.
19496 (ultrasparc_sched_reorder): Don't check it.
19498 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
19500 * rs6000.h (struct rs6000_args): Add sysv_gregno.
19501 * rs6000.c (init_cumulative_args): Init sysv_gregno.
19502 (function_arg_boundary): Align DFmode.
19503 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
19504 to get fp reg and stack overflow correct.
19505 (function_arg): Likewise.
19506 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
19507 (setup_incoming_varargs): Restructure for ABI_V4; use
19508 function_arg_advance to skip final named argument.
19509 (expand_builtin_saveregs): Properly unskip the last integer arg
19510 when doing varargs. Adjust overflow location calculation.
19512 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
19513 explicitly unsigned.
19514 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
19515 (__VA_GP_REGSAVE): Similarly.
19516 (__va_longlong_p): Delete.
19517 (__va_arg_type_violation): New declaration.
19518 (va_arg): Restructure. Flag promotion errors. Align double.
19519 TFmode passed by reference.
19521 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
19522 in the HOST_BITS_PER_WIDE_INT > 32 case.
19524 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
19526 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
19528 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
19530 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
19531 * toplev.c (documented_lang_options): Add -fpreprocessed.
19532 * cpplib.h (struct cpp_buffer): Add preprocessed.
19533 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
19534 (cpp_start_read): Don't expand macros or emit an initial #line
19535 directive if -fpreprocessed.
19537 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19539 * cpplib.h (struct cpp_buffer): Added manual_pop for
19540 better C++ tokenization.
19541 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19542 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19543 * c-common.c (cpp_token): Make non-static.
19545 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19547 * c-common.h: New file.
19548 * c-common.c (permanent_obstack): Delete unused declaration.
19549 (c_global_trees): New array.
19550 (c_common_nodes_and_builtins): New function; split off common code
19551 from init_decl_processing in both c-decl.c and cp/decl.c.
19552 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19553 c_global_trees and accessor macros defined in c-common.h.
19554 Include c-common.h.
19555 * c-decl.c: Delete definitions for tree nodes that were replaced by
19557 (init_decl_processing): Build void_list_node.
19558 Call c_common_nodes_and_builtins; delete code to generate the common
19560 * objc/objc-act.c (build_module_descriptor): Rename variable
19561 void_list_node to avoid clash with c-common.h.
19563 * Makefile.in: Update dependencies.
19564 * objc/Make-lang.in: Likewise.
19566 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19568 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19569 (UNIQUE_SECTION_P): Likewise.
19570 (UNIQUE_SECTION): Likewise.
19572 1999-07-19 Linas Vepstas <linas@linas.org>
19574 * config/i370/README: New file.
19575 * config/i370/linux.h: New file.
19576 * config/i370/mvs.h: New file.
19577 * config/i370/oe.h: New file.
19578 * config/i370/t-linux: New file.
19579 * config/i370/t-mvs: New file.
19580 * config/i370/t-oe: New file.
19581 * config/i370/x-oe: New file.
19582 * config/i370/xm-linux.h: New file.
19583 * config/i370/xm-mvs.h: New file.
19584 * config/i370/xm-oe.h: New file.
19586 * i370.c (label_node_t): Add first_ref_page, label_addr,
19587 label_first_ref, label_last_ref members.
19588 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19589 (MAX_MVS_LABEL_SIZE): Define.
19590 (MAX_LONG_LABEL_SIZE): Define.
19591 (alias_node_t, alias_anchor, alias_number): New.
19592 (mvs_function_table): Reorder for EBCDIC.
19593 (ascebc, ebcasc): Unconditionally define.
19594 (i370_branch_dest, i370_branch_length): New functions.
19595 (i370_short_branch, i370_label_scan): New functions.
19596 (mvs_get_label): Renamed from mvs_add_label. Search for
19597 an existing label before creating a new one.
19598 (mvs_add_label): New function.
19599 (mvs_get_label_page): New function.
19600 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19601 over the entire list.
19602 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19603 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19604 (mvs_add_alias, mvs_need_alias): New functions.
19605 (mvs_get_alias, mvs_check_alias): New functions.
19606 (handle_pragma): New function.
19607 (mvs_function_check): New function.
19608 (unsigned_jump_follows_p): Search harder.
19609 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19610 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19611 * i370.h (TARGET_VERSION): Delete.
19612 (CPP_SPEC, CPP_PREDEFINES): Delete.
19613 (mvs_label_emitted): Delete.
19614 (TARGET_EBCDIC): Delete.
19615 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19616 (HANDLE_PRAGMA): Define.
19617 (HARD_REGNO_NREGS): Handle complex modes.
19618 (HARD_REGNO_MODE_OK): Likewise.
19619 (CLASS_MAX_NREGS): Likewise.
19620 (RET_REG): Likewise.
19621 (EXTRA_CONSTRAINT): Define.
19622 (RETURN_IN_MEMORY): True for DImode.
19623 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19624 (FUNCTION_PROFILER): Delete.
19625 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19626 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19627 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19628 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19629 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19630 (ASM_FILE_START): Add "RMODE ANY".
19631 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19632 (ASM_GLOBALIZE_LABEL): Likewise.
19633 (ASM_OUTPUT_LABELREF): Likewise.
19634 (ASM_OUTPUT_COMMON): Likewise.
19635 (PRINT_OPERAND): Handle 'K', 'W', default.
19636 (PRINT_OPERAND_ADDRESS): New.
19637 (Lots of defines): Add support for TARGET_ELF_ABI.
19638 * i370.md (attr length): New. Define for all patterns.
19639 (*): Lots of tweeks to assembly output and constraints.
19641 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19643 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19644 Disable patterns performing SImode comparisons with SImode values
19645 if TARGET_POWERPC64 and instruction does not sign-extend or does
19646 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19647 differ for signed quantities.
19648 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19649 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19650 (decrement_and_branch_on_count): Add 64-bit variant.
19652 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19654 * final.c (output_asm_insn): When searching for the matching string
19655 for a given dialect, don't run past the end of the list of
19656 alternatives if there are fewer alternatives in the template than
19659 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19661 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19662 Removed paragraph about compression of files and size limitation,
19663 duplicated in the FAQ. Use gcc-patches for posting patches.
19664 * gcc.c (main): Updated URL with bug reporting instructions to
19665 gcc.gnu.org. Removed e-mail address.
19666 * system.h (abort): Likewise.
19668 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19670 * Makefile.in (stmp-multilib-sub): Make the files extracted
19671 from $(LIBGCC1) writable.
19673 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19675 * config/arm/aout.h: Reformat for improved readability.
19677 * config/arm/arm.h: Reformat for improved readability.
19678 Replace uses of fprintf with asm_fprintf where appropriate.
19679 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19680 function declaration assembler actions.
19681 (NUM_INTS): New macro: Convert from bytes to words.
19682 (NUM_REGS): New macro: Compute number of registers required to
19683 hold a quanitity of tyep MODE.
19684 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19686 (NUM_ARG_REGS): New macro: The number of argument registers
19688 (ARG_REGISTER): New macro: Compute the register number of the Nth
19690 (LAST_ARG_REGNUM): New macro: The number of the last argument
19692 (SP_REGNUM): New macro: Register number of the stack pointer.
19693 (FP_REGNUM): New macro: Register number of the frame pointer.
19694 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19695 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19696 CUMULATIVE_ARGS so that it counts registers not bytes.
19698 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19700 Replace uses of fprintf with asm_fprintf where appropriate.
19701 (output_ascii_pseudo_op): Replace with version from thumb.c
19703 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19705 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19706 SUBTARGET_CPP_SPEC.
19707 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19708 (ASM_FILE_START): Emit ASM_APP_OFF.
19710 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19712 * pa.c (compute_frame_size): Round frame according to
19713 STACK_BOUNDARY rather than a hardwired value.
19715 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19717 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19719 * configure: Rebuilt.
19721 * configure.in (hppa*-*-linux*): New configuration.
19722 * configure: Rebuilt.
19723 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19724 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19725 * pa/pa-linux.h: New file.
19726 * pa/t-linux: New file.
19727 * pa/xm-linux.h: New file.
19729 * pa.c (hppa_legitimize_address): Change references from SImode to
19730 either Pmode or word_mode as appropriate.
19731 (emit_move_sequence, store_reg, load_reg): Likewise.
19732 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19733 (output_mul_insn): Likewise.
19734 * pa.h (PROMOTE_MODE): Likewise.
19735 (INITIALZE_TRAMPOLINE): Likewise.
19736 (Pmode): Define to word_mode.
19738 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19739 value of 4. Allocate 8 bytes for each FP register save.
19740 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19742 (hppa_expand_prologue): Likewise.
19743 * pa.h (PROMOTE_MODE): Likewise.
19744 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19745 (FUNCTION_ARG_BOUNDARY): Likewise.
19747 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19749 * pa.c (out_of_line_prologue_epilogue): Delete.
19750 (override_options): Remove -mspace related code.
19751 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19752 (compute_frame_size): Only allocate space for register that
19753 actually need to be saved.
19754 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19755 (TARGET_SWITCHES): Remove -mspace, -mno-space
19756 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19757 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19758 * pa/ee.asm, pa/ee_fp.asm: Delete.
19760 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19762 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19763 directive in column zero.
19765 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19767 * m68k.c (output_function_prologue): Fix computation of save mask
19768 when generating PIC code.
19770 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19772 * tree.c (build_type_attribute_variant): Move current_obstack restore
19773 after build_qualified_type call.
19775 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19777 * configure.in: Use t-iris6, even with GNU LD.
19778 * config/mips/iris6gld.h: Fix typo in linker spec.
19779 * config/mips/t-iris6gld: Remove.
19781 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19783 * rs6000.md (insv, extzv): Remove SImode dependence in named
19784 patterns. Explicitly generate DImode RTL if PowerPC64 and
19786 (insvdi): Reverse start and size in instruction template.
19788 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19790 * invoke.texi: Typo fixes.
19792 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19794 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19795 handle at this time instead of silently generating incorrect code.
19796 (gen_imagpart): Likewise.
19798 * reload.c (find_reloads): Emit a USE for a pseudo register without
19799 a hard register if we could not create an optional reload for the
19802 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19804 * c-typeck.c (output_init_element, process_init_element):
19805 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19806 check for nameless bit fields.
19808 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19810 * regclass.c (scan_one_insn): Notice subregs that change the
19811 size of their operand.
19812 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19814 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19816 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19817 * configure: Rebuilt.
19818 * alpha/t-ieee: New file.
19820 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19822 * rs6000.c (find_addr_reg): Do not select r0 as an address
19825 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19827 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19829 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19831 * rs6000.md (movsf): Do not force easy FP constants into memory.
19833 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19834 immed_double_const to ensure they are properly truncated then
19837 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19839 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19840 always unless NO_DEBUG is used. Compile this code
19842 (replace_symbols_in_block): Compile it unconditionally.
19844 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19846 * configure.in (i?86-*-elf*): New target.
19847 * configure: Rebuilt.
19848 * i386/i386elf.h, i386/t-i386elf: New files.
19850 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19852 * toplev.c (main): Don't complain about saying -gdwarf.
19853 (rest_of_compilation): Remove redundant code.
19855 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19857 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19859 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19861 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19862 "Li960R:", to avoid name clash.
19864 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19866 * loop.c (check_dbra_loop): When reversing a loop, delete all
19867 REG_EQUAL notes referencing the reversed biv except those which are
19868 for a giv based on it.
19870 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19872 * version.c: Drop "gcc-" prefix from version #.
19874 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19876 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19877 the label if we're being verbose.
19879 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19881 * m68k.c (output_function_prologue): Add pic register to mask
19882 if live and flag_pic.
19883 (output_function_epilogue): Likewise.
19885 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19887 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19888 directives in column zero.
19890 * pa/elf.h (ASM_FILE_START): Define.
19891 * pa/som.h (ASM_FILE_START): Include .level directives.
19892 * pa/hpux10.h (ASM_FILE_START): Delete.
19893 * pa/hpux11.h (ASM_FILE_START): Delete.
19895 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19897 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19899 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19900 when reload_out equals reload_in.
19902 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19904 * invoke.texi (Spec Files): New node: Describe the contents of
19907 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19909 * invoke.texi (DEC Alpha Options): Put @end table at
19910 beginning of line, to avoid confusing texi2html.
19912 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19914 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19915 introduced in previous delta.
19917 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19919 * reload1.c (gen_reload): When synthesizing a 3 operand add
19920 sequence, improve test for when to reload OP1 into the reload
19921 register instead of OP0.
19923 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19925 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19927 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19929 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19932 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19934 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19935 (va_dcl): Use __builtin_va_alist_t.
19937 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19939 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19940 on the permanent_obstack.
19941 * dwarfout.c (output_type): Likewise.
19943 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19945 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19946 Merged from c-typeck.c and cp/typeck.c.
19947 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19948 Merged into c-common.
19950 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19952 * c-lex.c (errorcount): Declare it.
19953 (finish_parse): Update errorcount when using CPPLIB.
19955 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19957 * fixinc/inclhack.def(end_else_label): Double the backslash so
19958 sed gets a chance to see it.
19959 * fixinc/inclhack.sh: regen
19960 * fixinc/fixincl.x: regen
19962 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19964 Add framework to support armv5 architecture when it becomes
19967 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19968 (arm_arch5): New variable.
19969 (all_architectures): Add armv5 line.
19970 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19971 -march=armv5 is specified on the command line.
19972 (arm_arch5): Export this variable.
19973 * invoke.texi: Document new string accepted by -march= switch for
19976 * config/arm/arm.h: Replace use of constant 12 as a register
19977 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19978 * config/arm/arm.c: Replace use of constant 12 as a register
19979 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19981 * config/arm/elf.h: Tidy up.
19982 * config/arm/coff.h: Tidy up.
19984 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19986 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19987 * gcc/config/mips/t-iris6gld: New file.
19988 * gcc/config/mips/iris6gld.h: Likewise.
19990 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19992 * c-decl.c (widest_integer_literal_type_node,
19993 widest_unsigned_literal_type) : New.
19994 (init_decl_processing): Handle/use the two new types.
19995 * c-common.c (type_for_size,type_for_mode) : Same.
19996 * c-lex.c (yylex) : Same.
19997 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19999 * c-tree.h (widest_integer_literal_type_node,
20000 widest_unsigned_literal_type) : New.
20002 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
20004 * dwarfout.c (field_byte_offset): Correctly compute the object's
20005 byte offset for the first bit of a field which crosses an alignment
20006 boundary on a !BYTES_BIG_ENDIAN target.
20008 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
20010 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
20013 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
20014 Jeff Law <law@cygnus.com>
20016 * ginclude/varargs.h (va_dcl): Use word_mode for type of
20019 * except.c: Include intl.h.
20020 (expand_eh_return): Set current_function_cannot_inline.
20021 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
20022 * function.h (struct function): Add eh_return_stub_label.
20023 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
20024 * Makefile.in (except.o): Depend on intl.h.
20026 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
20028 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
20029 same as offsettable in cases 1 and 2.
20031 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
20033 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
20034 (extlh, extwh): Likewise.
20036 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
20038 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
20040 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
20042 * configure.in: Add arm-pe and thumb-pe targets.
20043 * configure: Regenerate.
20045 * thumb.c (arm_naked_function_p): New function: Determines if
20046 a function is naked (has no gcc generated prologue/epilogue).
20047 (is_called_in_ARM_mode): Return true if the func has the
20048 interfacearm attribute.
20049 (output_return): Do not generate a return for naked functions.
20050 (thumb_function_prologue): Do not generate a prologue for
20052 (thumb_expand_prologue): Do not generate a prologue for naked
20054 (thumb_expand_epilogue): Do not generate an epilogue for naked
20056 (arm_valid_machine_decl_attribute): New function, copied from
20057 arm.c: Permit naked and interfacearm attributes.
20059 * config/arm/pe.c: New file: Support code for arm-pe target.
20060 * config/arm/pe.h: New file: Header file for arm-pe target.
20061 * config/arm/tpe.h: New file: Header file for thumb-pe target.
20062 * config/arm/t-thumb-pe: New file: Makefile fragment for
20065 1999-07-01 Mark Kettenis <kettenis@gnu.org>
20067 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
20068 -fPIC or -fpic is specified.
20070 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
20072 * expr.c (emit_block_move): Use copy_to_mode_reg for
20073 !TARGET_MEM_FUNCTIONS case too.
20075 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
20077 * configure: Rebuilt.
20078 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
20079 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
20080 definitions made redundant by dbxelf.h inclusion. Delete
20081 lots of definitions related to assembly output that are
20082 specific to the SOM object format.
20083 * pa.c (output_function_prologue): Do not emit the function's
20085 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
20086 * pa-pro.h: Deleted.
20087 * som.h: New file with SOM specific definitions.
20088 * elf.h: New file with ELF specific definitions.
20090 * elfos.h (const_section): Output a tab before assembler directives.
20091 (ctors_section, dtors_section): Likewise.
20092 (ASM_OUTPUT_SECTION_NAME): Likewise.
20094 * pa/pa1.h: Delete unused file.
20096 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
20098 * configure.in (hppa*-hp-hpux11*): New configuration.
20099 * configure: Rebuilt.
20100 * pa/pa-hpux11.h: New file.
20101 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
20104 * mips.md (leasi, leadi): New patterns.
20106 * expr.c (emit_block_move): Properly handle case where one of the
20107 block move arguments has a queued increment or decrement.
20108 (clear_storage): Similarly. Fix formatting goof.
20110 1999-06-28 "David O'Brien" <obrien@NUXI.com>
20112 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
20113 semicolon from the BSD VA_LIST replacement expression.
20115 * fixinc/inclhack.sh: regen
20116 * fixinc/fixincl.x: regen
20118 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
20119 now use the fixincl program.
20121 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
20123 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
20124 case. Also make the PIC register call_used.
20126 * m68k.h (FINALIZE_PIC): Delete.
20127 * m68k.c (finalize_pic): Delete.
20129 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
20131 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
20134 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
20136 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
20138 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
20140 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
20142 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
20144 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
20146 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
20148 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
20150 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
20152 * rs6000.c (output_toc): Always use hex values for floating-point
20153 constants. Store single-precision values in upper-half of TOC
20154 entry in 64-bit mode.
20155 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
20156 to final constraints.
20157 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
20158 (fctiwz): Improve accuracy of RTL for pattern.
20160 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
20162 * expr.c (expand_expr): Allow RTL_EXPR's through the
20163 MAX_INTEGER_COMPUTATION_MODE checks.
20165 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
20167 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
20168 such that MASK_SUPPORT_ARCH is not negative.
20170 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
20172 * loop.c (verify_dominator): Properly handle ADDR_VEC and
20173 ADDR_DIFF_VEC insns that appear inside loops.
20175 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
20176 Jeff Law <law@cygnus.com>
20178 * rs6000.md (movdf_hardfloat32): Revert previous patch.
20179 Handle LO_SUM the same as offsettable in cases 1 and 2.
20180 * rs6000.c (find_addr_reg): Revert previous patch.
20182 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
20184 * system.h (strstr): New external function declaration.
20185 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
20186 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
20187 * config.in, configure: Rebuilt.
20189 1999-06-24 Tom Tromey <tromey@cygnus.com>
20191 * gcc.c (main): Read user-specified specs files after computing
20192 additional startfile_prefixes.
20194 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
20196 Revert these two patches:
20198 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20199 * loop.c (strength_reduce): When doing biv->giv conversion, update
20200 reg note of NEXT->insn.
20202 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20203 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20205 (recombine_givs): Set ix field after sorting.
20207 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20209 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
20210 for the parts of an UNSPEC / UNSPEC_VOLATILE.
20212 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
20214 *fixinc/inclhack.def: Add fix development commentary
20215 (read_ret_type): reactivate and add selection clause
20216 (zzz_*): tweak output file name to match what is used in hackshell.tpl
20217 *fixinc/{fixincl.x|inclhack.sh}: regen
20219 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
20221 * expr.c (expand_expr): STRIP_NOPS before checking against
20222 MAX_INTEGER_COMPUTATION_MODE
20223 (check_max_integer_computation_mode): Likewise.
20225 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
20227 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
20229 1999-06-22 Jim Wilson <wilson@cygnus.com>
20231 * expr.c (store_expr): When target is a promoted subreg, return a
20232 promoted subreg as a result.
20234 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
20236 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
20238 (dwarf2out_define): Mark unused parameters appropriately.
20239 (gen_unspecified_parameters_die): Ditto.
20240 (gen_subprogram_die): Fix signed/unsigned warnings.
20241 (gen_variable_die): Ditto.
20243 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
20245 * fixinc/inclhack.def(end_else_label): combined else_label
20246 and endif_label and fixed the sed expression.
20247 *fixinc/{fixincl.x|inclhack.sh}: regen
20249 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
20251 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
20252 'x' when handling non-offsettable addresses
20254 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
20256 * final.c (shorten_branches): Don't try to split an insn that has
20259 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
20261 * config/mips/mips.c (symbolic_expression_p): New function.
20262 (mips_select_rtx_section): Put symbolic expressions in the
20263 data section, not the read-only data section.
20265 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
20267 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
20269 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
20271 * collect2.c (main): Log frame table count.
20272 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
20273 (scan_prog_file) [COFF]: Handle frame tables.
20275 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
20276 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
20277 * alpha/elf.h: Undef them again.
20278 * alpha/vms.h: Remove their definitions.
20280 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20282 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
20283 remove the clobber of r0 and change the REG_UNUSED note to
20286 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
20288 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
20289 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
20290 fits in HOST_WIDE_INT and one uses union to access a long constant
20293 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
20295 * sparc.c (sparc_override_options): Don't allow profiling for
20296 code models other than medlow.
20297 (sparc_function_profiler): New function from old FUNCTION_PROFILER
20298 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
20299 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
20300 (sparc_block_profiler): Likewise.
20301 (sparc_function_block_profiler_exit): Likewise.
20302 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
20303 (FUNCTION_BLOCK_PROFILER): Likewise.
20304 (BLOCK_PROFILER): Likewise.
20305 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
20306 (MCOUNT_FUNCTION): New.
20307 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
20308 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
20309 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
20310 (MCOUNT_FUNCTION): New.
20311 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
20312 (BLOCK_PROFILER): Delete.
20313 (MCOUNT_FUNCTION): New.
20315 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
20317 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
20319 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
20321 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20324 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20327 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20330 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20333 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
20335 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
20338 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
20340 * i386/djgpp.h (LIB_SPEC): New.
20341 (STARTFILE_SPEC): New.
20343 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
20345 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
20347 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
20350 * system.h (WSTOPSIG): New macro.
20352 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
20354 * c-pragma.c (push_alignment): Don't ignore alignments greater than
20356 (insert_pack_attributes): Take into account member natural
20359 * i386/winnt.c (exports_head): New static variable.
20360 (i386_pe_record_exported_symbol): New function.
20361 (i386_pe_asm_file_end): Use.
20362 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
20363 symbols to be emitted at end of assembly.
20364 (ASM_DECLARE_OBJECT_NAME): Likewise.
20365 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20367 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
20370 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
20372 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
20375 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
20377 * haifa-sched.c (sched_analyze_1): Use free_list instead of
20378 zapping reg_last_uses directly.
20379 (sched_analyze_2, sched_analyze_insn): Likewise.
20380 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
20382 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
20384 * rs6000.md (movdf_hardfloat32): Use worst case insn length
20385 attributes for cases 1 and 2.
20387 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
20389 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
20392 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
20394 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
20396 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
20398 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
20399 PIC_OFFSET_TABLE_REGNUM for general alloaction.
20400 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
20401 must be stacked if it is used for PIC accesses.
20402 * arm.c (use_return_insn): Handle PIC register specially.
20403 (output_return_instruction): Likewise.
20404 (output_func_{prologue,epilogue}): Likewise.
20405 (output_expand_prologue): Likewise.
20407 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
20408 (*strsi_predec): Renamed from *strqi_predec.
20409 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
20410 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
20412 * arm.c (arm_override_options): Remove warning about PIC code
20413 not being supported.
20415 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
20417 * rs6000.c (find_addr_reg): New function.
20418 * rs6000.h (find_addr_reg): Declare.
20419 (offsettable_addr_operand): Delete.
20420 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
20421 from and stores to GPRs.
20423 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
20425 * alpha.c (alpha_expand_block_move): Use get_insns rather than
20426 gen_sequence as argument to emit_no_conflict_block.
20428 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20430 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
20431 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
20432 *fixinc/fixincl.x: regen
20433 *fixinc/inclhack.sh: regen
20435 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
20437 * added support for -mpcrel (PC relative addressing for m68k)
20438 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
20439 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
20440 * m68k.c (print_operand_address): Handle 32-bit PIC case.
20441 (comments for general_src_operand): Add some explanation
20442 about EXTRA_CONSTRAINTS.
20443 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
20444 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
20445 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
20446 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
20447 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
20448 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
20449 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
20450 if not already set.
20451 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
20452 * m68k.h (TARGET_PCREL): New target flag.
20453 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
20454 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
20455 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
20456 contains a SYMBOL_REF. Relax this constraint during reload, since
20457 we want to use the predicates, not reload's built-in concept of a
20458 valid memory address, to control what insns need reloading.
20459 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
20460 operands (essentially 'g', 'm', and 's' under normal circumstances).
20461 * m68k.c (print_operand): Cause printing of pc-relative addresses
20462 to include pc register.
20463 (print_operand_address): Ditto.
20464 (general_src_operand): Accept operands that are not only
20465 general_operands, but are also valid when used as a pc-relative
20467 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
20468 (memory_src_operand): Similar, for memory_operands.
20469 (pcrel_address): New predicate to accept the special case of a
20470 pc-relative address.
20471 * m68k.md (many patterns): Rewrite common SImode, HImode, and
20472 QImode insns to accept *_src_operand instead of *_operand where
20473 pc-relative operands can fit. For example, a pc-relative operand
20474 can be used as a memory source operand for addsi3, but not as a
20475 memory destination.
20476 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
20478 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
20480 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
20481 .thumb_set pseudo op to mark aliases of thumb functions.
20483 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
20485 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
20486 preference to ASM_OUTPUT_DEF, if it is defined.
20488 * tm.texi: Document new, optional target macro
20489 ASM_OUTPUT_DEF_FROM_DECLS.
20491 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20493 * fixincludes: ISCNTL patch
20494 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
20495 (dgux_int_varargs): new for DG/UX
20496 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
20498 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
20500 * invoke.texi (ia32 options): Fix typo.
20502 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20504 * loop.c (strength_reduce): When doing biv->giv conversion, update
20505 reg note of NEXT->insn.
20507 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
20509 * loop.c (move_movables): Note issues with replacing REGs with
20511 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
20513 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
20515 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
20517 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
20518 the reference to `mcount' was not correct for the ELF on FreeBSD.
20520 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20522 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20525 (recombine_givs): Set ix field after sorting.
20527 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
20529 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
20530 to safe to extract a subword out of a REG.
20532 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20534 * sh.md (mulsi3): Don't add a no-op move at the end.
20536 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20538 * cse.c (cse_insn): Don't put hard register source into tables for
20539 the last insn of a libcall.
20541 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20543 * loop.c (strength_reduce): Insert sets of derived givs at every
20544 biv increment, even if it's the only one.
20546 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20548 * dwarfout.c (add_incomplete_type): New fn.
20549 (output_type): Call it.
20550 (retry_incomplete_types): New fn.
20551 (dwarfout_finish): Call it.
20553 From Eric Raskin <ehr@listworks.com>:
20554 (output_type): Output types for bases.
20556 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20558 * mips.c (mips_output_conditional_branch): Add `break'
20559 between `default' label and `close braces'.
20561 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20563 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20564 specifications and make it realistic.
20565 (LIB_SPEC): Likewise.
20567 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20569 * config/mips/mips.c (mips_secondary_reload_class): Check for
20570 (PLUS (SP) (REG)) and return appropriate register class.
20571 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20572 Handle (PLUS (SP) (REG)).
20573 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20574 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20575 of emit_insn for tablejump.
20577 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20579 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20580 asm_fprintf format string by itself.
20581 (output_function_profiler): Likewise.
20583 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20585 * combine.c (simplify_logical, case AND): Only call
20586 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20587 or the constant is positive.
20589 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20591 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20592 * configure: Regenerate.
20594 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20596 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20597 require a sub-version #.
20598 * configure: Rebuilt.
20600 1999-06-14 Robert Lipe (robertlipe@usa.net)
20602 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20604 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20606 * c-typeck.c (process_init_element): Detect excess elements in
20607 char array initializer.
20609 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20611 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20613 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20615 * invoke.texi (Option Summary): Add -fpermissive flag.
20617 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20619 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20620 that require PIC code sequences.
20622 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20624 * configure.in: Add new target: thumb-elf.
20625 * configure: Regenerate.
20626 * config/arm/t-thumb-elf: New file: Makefile fragment for
20628 * config/arm/telf.h: New file: Header file for thumb-elf
20631 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20633 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20634 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20635 initializers is some circumstances.
20637 * fixinc/inclhack.def (endif_label): Add additional selector for
20638 more bogus stuff after #endif statements.
20639 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20641 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20643 * i386/cygwin.h (SET_ASM_OP): Define.
20645 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20647 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20649 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20651 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20654 * sh.md (ic_invalidate_line_i): Remove second alternative.
20656 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20658 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20659 test for the presence of valid prototypes. Delete bypass expr.
20660 (ioctl_fix_ctrl): Correct the selection expression.
20661 (no_double_slash): Correct quoting rules
20662 *fixinc/fixincl.x: regen
20663 *fixinc/inclhack.sh: regen
20665 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20667 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20669 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20671 * rs6000.md (movsi_got_internal_mem): Delete.
20672 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20673 (GOT_TOC_REGNUM): Delete.
20674 (PIC_OFFSET_TABLE_REGNUM): Define.
20675 (FINALIZE_PIC): Disable.
20676 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20677 (rs6000_replace_regno): Delete.
20678 (rs6000_finalize_pic): Likewise.
20679 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20681 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20683 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20684 is a note; use <= for the compare; advance P while it is
20687 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20689 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20690 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20692 * varasm.c (remove_from_pending_weak_list): Verify t->name
20693 is non-NULL before passing it to strcmp.
20695 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20697 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20698 the typed arguments are not part of a comment
20699 (ioctl_fix_ctrl): Added a purpose comment
20700 *fixinc/fixincl.x: regenerate
20701 *fixinc/inclhack.sh: regenerate
20703 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20705 * invoke.texi: Add C4x invocation docs.
20707 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20709 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20711 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20713 (c4x_legitimize_reload_address): New function.
20714 * config/c4x/c4x.md: Update docs.
20716 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20718 * fixincludes: Avoid removing '.'.
20719 * fixinc/fixinc.svr4: Likewise.
20720 * fixinc/fixinc.winnt: Likewise.
20721 * fixinc/inclhack.tpl: Likewise.
20722 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20724 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20726 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20728 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20730 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20732 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20735 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20737 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20738 * configure: Regenerate.
20740 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20742 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20745 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20747 * fixinc/inclhack.def (avoid_bool): Also catch
20748 "typedef [unsigned] int bool".
20749 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20751 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20752 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20753 * configure: Rebuilt.
20755 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20757 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20758 such that we can override its definitions if necessary.
20759 (CPP_SPEC): New define. Support processor specific predefines via
20761 (CC1_SPEC): New define. Support processor specific compiler
20762 options via %(cc1_cpu).
20763 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20766 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20768 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20769 between sed's -e flag, and the open-quote following it.
20770 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20772 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20773 Jeffrey A Law (law@cygnus.com)
20775 * varasm.c (assemble_start_function): Remove the function
20776 from the pending weak decls list when we define a function.
20777 (assemble_variable): Similarly for variables.
20778 (weak_finish): Ignore items on the list with a NULL name.
20779 (remove_from_ending_weak_list); New function to "remove" an item
20780 from the pending weak declarations list.
20782 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20784 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20786 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20788 * c-lex.c (GETC): Redefine to call getch.
20789 (UNGETC): Redefine to call put_back.
20790 (putback_buffer): New structure type.
20791 (putback): New static structure.
20792 (getch): New function.
20793 (put_back): New function.
20794 (yylex): Replace unused bytes from bad multibyte character.
20796 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20798 * cpplib.c (do_define): Cast `alloca' return value.
20799 (do_include, do_undef, do_pragma): Likewise.
20800 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20802 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20803 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20805 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20807 * sparc.md (abstf2): This should be an expand.
20808 (split after abstf2_notv9): Fix mode.
20809 (abstf2_hq_v9): New pattern.
20810 (abstf2_v9): Only use when no hard quad.
20811 (absdf2_v9): Fix if target is not the same as source.
20812 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20813 Add correct output constraints.
20815 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20817 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20818 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20820 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20822 * mips.h (mips_output_conditional_branch): New function.
20823 (mips_adjust_insn_length): Likewise.
20824 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20825 (ADJUST_INSN_LENGTH): Likewise.
20826 * mips.c (print_operand): Add `F' and `W' for floating-point
20827 comparison opcodes.
20828 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20830 (mips_adjust_insn_length): New function.
20831 (mips_output_conditional_branch): New function.
20832 * mips.md (length): Adjust attribute definition to handle
20833 conditional branches. Change lengths to bytes, rather than
20834 instructions throughout. Remove length attribute from
20835 instructions whose length is four bytes, and rely on the default
20837 (dslot): Fix typo in comment.
20838 Reword conditional branch patterns to use
20839 mips_output_conditional_branch.
20841 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20843 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20844 (LIB_SPEC): Likewise.
20845 Link with -lprof1_r for -g/-pg.
20847 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20849 * loop.c (check_dbra_loop): Fix change of Jan 19.
20851 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20853 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20854 (STARTFILE_SPEC): Define, override the svr4.h version.
20855 (ENDFILE_SPEC): Likewise.
20857 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20859 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20860 * fixinc/fixincl.x: Regenerated.
20861 * fixinc/inclhack.sh: Regenerated.
20863 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20865 * sh.c (barrier_align): Don't return early for normal branch/barrier
20866 when optimizing for SH2.
20868 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20870 * i386/udk.h (LINK_SPEC): Correct linker search path for
20873 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20875 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20876 (braf_label_ref_operand): Delete.
20877 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20878 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20879 label_ref, and has no predicate.
20880 The patten has a predicate to guard against invalid substitutions.
20881 (dummy_jump): Delete.
20882 (casesi): Update use of casesi_jump_2.
20884 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20886 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20887 *fixinc/fixincl.x: regenerate
20888 *fixinc/inclhack.sh: regenerate
20890 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20892 * dwarf2out.c (add_incomplete_type): New fn.
20893 (gen_struct_or_union_type_die): Call it.
20894 (retry_incomplete_types): New fn.
20895 (dwarf2out_finish): Call it.
20897 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20899 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20900 current block starts with a CODE_LABEL and ends with a CALL and
20901 we can not find all the argument setup instructions for the CALL.
20903 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20905 Revert this change:
20906 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20907 something is a candidate for optimize_bit_field_compare.
20909 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20911 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20913 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20915 * alpha.c (override_options): Thinko in last patch.
20917 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20918 (LIB_SPEC): Recognize -pthread.
20920 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20922 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20923 definition in config/arm/coff.h
20924 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20926 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20928 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20929 fixes that need "file=xxx\n" prepended before invocation
20930 (start_fixer - new): starting the fixer process is complex enough
20931 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20932 (process): uses the new routine; omit usage of putenv()
20933 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20934 * fixinc/fixincl.x: regenerate
20936 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20938 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20939 and version #s (1.1 -> 2.96) as needed.
20940 * README.g77: Kill way out of date file in the toplevel directory.
20942 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20944 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20945 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20946 * configure: Rebuilt.
20947 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20948 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20949 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20950 (SWITCH_TAKES_ARG): Likewise.
20951 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20952 * config/t-freebsd: Moved from config/i386/ so it can used for all
20955 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20957 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20959 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20961 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20962 * configure: Rebuilt.
20964 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20966 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20967 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20968 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20969 (rs6000_output_load_toc_table): Same.
20970 (output_prolog, output_mi_thunk): Same.
20971 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20972 (ASM_GLOBALIZE_LABEL): Use putc.
20974 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20976 * alpha.md (reload_*_help): New patterns and splitters.
20977 (reload_*): Use them.
20978 (mov[qh]i): Likewise.
20980 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20982 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20985 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20987 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20989 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20991 * flow.c (mark_regs_live_at_end, insn_dead_p,
20992 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20993 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20994 hasn't run or the frame pointer is needed.
20995 * haifa-sched.c (attach_deaths): Likewise.
20996 * sched.c (attach_deaths): Likewise.
20998 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
21000 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
21001 calculate_can_reach_end returns nonzero.
21003 * configure.in (native gas tests): Search for an assembler in the
21004 same manner that the installed compiler will.
21005 * configure: Rebuilt.
21006 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
21008 * alias.c (find_base_term): Improve handling of addresses
21009 constructed from binary operations.
21011 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
21013 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
21015 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
21017 * function.h (cleanup_label, frame_offset): Declare.
21018 (tail_recursion_label, tail_recursion_reentry): Likewise.
21019 (arg_pointer_save_area, rtl_expr_chain): Likewise.
21020 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
21021 (tail_recursion_label, tail_recursion_reentry): Likewise.
21022 (arg_pointer_save_area, rtl_expr_chain): Likewise.
21024 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
21026 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
21028 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
21029 (MAX_OFILE_ALIGNMENT): Define.
21031 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
21033 * fixincl.c: Replace local include scheme with #includes of
21034 gansidecl.h and system.h.
21035 * procopen.c: Likewise.
21036 * server.c: Likewise.
21038 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
21040 * i386/t-dgux (EXTRA_PARTS): Add crti.o
21041 (crti.o): Add build rule and dependencies.
21042 * fixinc/fixinc.dgux: Use modified _int_varargs.h
21044 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21046 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
21047 (LIB_LINUX_SPEC): Likewise.
21048 (LIB_LINUX_SPEC): Add support for -pthread
21049 (CPP_OS_LINUX_SPEC): Likewise.
21050 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
21053 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
21055 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
21057 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
21058 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
21059 for IEEE math and CC_FCOMI.
21060 (put_jump_code): No IEEE if CC_FCOMI is set.
21062 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
21064 * fold-const.c (fold_truthop): Make the field reference unsigned
21065 when converting a single bit compare.
21067 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21069 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
21071 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
21073 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
21074 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
21077 * reload.c (push_reload): Do not call remove_address_replacements
21078 when presented with identical optional reloads.
21080 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
21082 * alpha.h (MASK_FIX, TARGET_FIX): New.
21083 (MASK_*): Reorganize constants.
21084 (CPP_AM_FIX_SPEC): New.
21085 (TARGET_SWITCHES): Add FIX.
21086 (EXTRA_SPECS): Likewise.
21087 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
21088 (SECONDARY_MEMORY_NEEDED): Likewise.
21089 (REGISTER_MOVE_COST): Likewise.
21090 * alpha.c (override_options): Add FIX support. Always use
21091 ALPHA_TP_PROG for ev6.
21092 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
21093 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
21094 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
21096 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
21098 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
21099 something is a candidate for optimize_bit_field_compare.
21101 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
21103 * gcc.texi (Passes): Document branch-shortening.
21104 * invoke.texi (Debugging Options): Document the fact that `-dp'
21105 outputs length information for instructions.
21107 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
21109 * flow.c: Revert previous delta.
21111 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
21113 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
21114 FRAME_POINTER_REGNUM.
21115 (mark_set_1): Ditto.
21116 (mark_used_regs): Ditto.
21118 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
21120 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
21121 (GOT_PCREL): New macro. Define to 1 if not already defined.
21122 * arm/elf.h (GOT_PCREL): Define to 0.
21123 * arm.c (arm_finalize_pic): Take into account the setting of
21126 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
21128 * output.h (STRIP_NAME_ENCODING): Provide default definition.
21129 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
21131 * flow.c (mark_set_1): Do not record BLKmode stores as dead
21132 store elimination candidates.
21134 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
21136 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
21139 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
21141 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
21142 Add use of x-aix41-gld.
21144 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
21146 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
21147 (ASM_OUTPUT_DESTRUCTOR): Define.
21149 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
21151 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
21152 last CODE_LABEL in a loop if we have previously passed a jump
21153 to the top of the loop.
21155 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
21157 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
21158 applying Philip's patch.
21160 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
21162 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
21165 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
21167 * loop.c (strength_reduce): Grow reg_single_usage as needed.
21169 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
21171 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
21172 Also remove a useless comment.
21174 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
21176 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
21178 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
21180 * collect2.c (main): Only generate import or export file and add
21181 to link arguments if non-empty. Use xmalloc not alloca.
21182 (write_{export,import}_file): Delete.
21183 (write_aix_file): New function.
21184 (locatelib): Use xmalloc not malloc.
21185 (GCC_OK_SYMBOL): Do not check type if aix64.
21187 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
21189 Based on patch by Scott Bambrough and Pat Beirne:
21190 * config/arm/arm.c (making_const_table): New variable.
21191 * config/arm/arm.h (making_const_table): Declare.
21192 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
21194 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
21195 Keep track of when we are building the constant table.
21197 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
21199 * config/arm/arm.c (arm_override_options): Fix erroneous warning
21202 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
21204 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
21207 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
21209 * tm.texi (FUNCTION_ARG): Correct description of a stack element
21212 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
21214 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
21216 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21218 * rs6000.c (output_mi_thunk): Enable full support again.
21220 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21222 * sh.h (BRANCH_COST): Define.
21224 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
21226 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
21228 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
21230 * function.c (assign_stack_local): Align stack slot propertly.
21231 (assign_outer_stack_local): Likewise.
21233 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
21235 * expr.h (lang_expand_constant): Declare.
21236 * toplev.c (lang_expand_constant): Define it.
21237 * varasm.c (output_constant): Use it.
21239 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21241 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
21242 Change function definitions to K&R style.
21244 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21246 * fixinc/fixincl.c: We must not ignore SIGCLD now.
21248 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
21250 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
21251 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
21252 (several places): omit static initialization
21253 (process): use single fd, since only the read fd is used
21254 * fixinc/gnu-regex.c: define 'const' away, if not supported
21255 * fixinc/procopen.c(several places): omit static initialization
21256 * fixinc/server.c: define 'volitile' away, if not supported
21258 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
21260 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
21261 asm_fprintf and %L to generate the label name.
21262 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
21263 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
21265 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
21267 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
21268 insn for a conditional jump can not be found.
21270 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
21272 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
21273 on variables in specific sections other than .sbss and .sdata.
21275 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
21277 * stmt.c (expand_return): Call start_cleanup_deferral and
21278 end_cleanup_deferral around conditional code.
21280 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21282 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
21283 filename lists. Utilizes new "krstr" AutoGen function.
21284 * fixinc/fixincl.x: Rebuilt.
21286 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
21288 * i386.c (output_float_compare): Avoid GNU-C extensions.
21290 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
21292 * version.c: Bump to distinguish mainline tree from the
21295 See ChangeLog.1 for earlier changes.