1 2001-10-05 Catherine Moore <clm@redhat.com>
3 * config/stormy16/stormy-abi: Document abi changes.
4 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
5 (ICALL_REGS): New register class.
6 (NUM_ARGUMENT_REGISTERS): Now 6.
7 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
9 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
10 * config/stormy16.md (call_internal, call_value_internal,
11 indirect_jump): Use new 'z' constraint.
13 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
15 * doc/cppinternals.texi: Update.
17 2001-10-05 Richard Henderson <rth@redhat.com>
19 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
20 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
21 the gas section-name-as-label feature.
23 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
25 * doc/cppinternals.texi: Update.
27 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
29 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
30 to ensure valid SImode constants.
32 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
34 * Makefile.in (c-decl.o): Depend on tree-inline.h.
35 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
36 * c-decl.c: Include tree-inline.h.
37 (c_expand_body): Call optimize_inline_calls. Determine whether
38 a function is inlinable upfront, and only clear
39 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
40 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
41 (c_disregard_inline_limits): New function.
42 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
43 (c_post_options): Enable tree inlining if inlining is enabled.
44 Don't inline trees when instrumenting functions.
45 (c_init): Initialize lang_disregard_inline_limits and
46 lang_cannot_inline_tree_fn.
47 * tree-inline.c (initialize_inlined_parameters): Handle calls
48 with fewer arguments than declared parameters, and fewer
49 parameters than passed arguments. Don't assume value is a
51 (declare_return_variable): Convert return value back to the
52 original type, if it was promoted.
53 (tree_inlinable_function_p): New function.
54 (inlinable_function_p): Don't look at DECL_INLINE if we're
55 inlining all functions. Make it work with a NULL id.
56 Re-check DECL_UNINLINABLE after language-specific checks.
57 * tree-inline.h (tree_inlinable_function_p): Declare it.
58 * integrate.c (save_for_inline): Don't bother to prepare argvec
60 * cse.c (check_for_label_ref): Don't check deleted labels.
62 * Makefile.in (tree-inline.o): Depend on newly-included headers.
63 * tree-inline.c: Include headers needed for the functions moved in.
64 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
65 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
66 (copy_body, initialize_inlined_parameters): Likewise.
67 (declare_return_variable, inlinable_function_p): Likewise.
68 (expand_call_inline, expand_calls_inline): Likewise.
69 (optimize_inline_calls, clone_body): Likewise.
70 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
71 (copy_tree_r, remap_save_expr): Likewise.
73 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
75 * Makefile.in (OBJS): Added tree-inline.o.
76 (c-common.o): Depend on tree-inline.h.
77 (tree-inline.o): New target.
78 * c-common.c: Include tree-inline.h.
79 (c_mark_lang_decl): Don't mark saved_tree.
80 (c_common_lang_init): Set lang_anon_aggr_type_p.
81 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
82 (struct c_lang_decl): Moved saved_tree to tree_decl.
83 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
84 * integrate.h (function_attribute_inlinable_p): Declare it.
85 * integrate.c (function_attribute_inlinable_p): Export it.
86 * tree-inline.c: New file. Define variables declared in...
87 * tree-inline.h: New file. Declare functions to be moved to
88 tree-inline.c. Define macros and declare types and hooks for
89 language-specific tree inlining.
90 (flag_inline_trees): Moved definition from cp/decl2.c.
91 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
92 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
93 (struct tree_decl): Moved saved_tree from c_lang_decl and
94 inlined_fns from C++'s lang_decl.
96 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
98 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
99 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
101 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
103 * doc/cppinternals.texi: Update.
105 2001-10-04 Eric Christopher <echristo@redhat.com>
107 * config/mips/mips.c (init_cumulative_args): Remember to set
109 * config.gcc: Redo linux configuration. Add target_cpu_default
110 of soft-float to all mipsisa32 combinations and tx39.
111 * config/mips/linux.h: Remove include of mips.h.
113 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
115 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
116 HOST_LDFLAGS and HOST_CPPFLAGS.
118 2001-10-03 Ziemowit Laski <zlaski@apple.com>
120 * c-parse.in (objc_inherit_code, objc_pq_context,
121 objc_public_flag): Make static.
122 (objc_interface_context, objc_implementation_context,
123 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
124 global tree array in objc/objc-act.[ch].
125 (methoddef): Remove unnecessary code.
127 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
128 Hoist struct definitions to objc-act.h.
129 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
130 cat_count): Place declaration in objc-act.h.
131 (objc_tree_index): Move enumeration to objc-act.h.
132 (objc_global_trees): Place declaration and macro accessors in
134 (implementation_context): Remove duplicate; use
135 objc_implementation_context instead:
136 (method_context): Remove duplicate; use objc_method_context
138 (objc_ellipsis_node, objc_method_prototype_template,
139 implemented_classes, function_type): Move global vars to
141 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
142 (build_message_expr): Move actual construction of ObjC message
143 send nodes to finish_message_expr.
144 (finish_message_expr): New routine, contains code formerly in
146 * objc/objc-act.h (finish_message_expr): New prototype.
147 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
148 declarations; these vars are now part of objc_global_trees.
149 (objc_tree_index, objc_global_trees): Move definitions from
151 * objc/objc-tree.def: Update copyright info.
153 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
155 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
157 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
158 only if TARGET_ARCH64.
160 2001-10-02 Bernd Schmidt <bernds@redhat.com>
162 * doc/extend.texi: Fix some problems with previous checkin.
163 * doc/invoke.texi: Likewise.
165 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
167 * cpphash.h: Update comments.
168 (cpp_context): Update.
169 (spec_nodes): Remove n__Pragma.
170 * cppinit.c (cpp_create_reader): Update.
171 (builtin_array): Add _Pragma.
172 * cpplib.h: Update comments.
173 (NODE_DISABLED, BT_PRAGMA): New.
174 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
175 * cppmacro.c (struct cpp_macro): Remove disabled.
176 (builtin_macro): Return int, handle _Pragma, push the new token
177 on the context stack.
178 (funlike_invocation_p): Unconstify, update.
179 (enter_macro_context): Handle builtins here.
180 (replace_args, push_token_context, push_ptoken_context):
181 Update for prototype changes.
182 (_cpp_pop_context): Update.
183 (cpp_get_token): Don't handle buitins, nor _Pragma here.
184 (cpp_sys_macro_p): Update.
185 (_cpp_free_definition): Clear disabled flag.
186 (_cpp_create_definition): Upate.
187 * cppmain.c: Update comments.
189 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
190 Andreas Jaeger <aj@suse.de>,
191 Jan Hubicka <jh@suse.cz>
193 * doc/invoke.texi (i386 Options): Document x86-64 options.
194 (i386 and x86-64 Options): Rename i386 options section.
196 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
197 (TARGET_SWITCHES): Add -munwind-info.
198 (MASK_NO_UNWIND_INFO): New.
199 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
201 (ASM_OUTPUT_DOUBLE_INT): New.
203 * config/i386/linux64.h: New spec file for Linux x86-64 support.
204 * config.gcc: Fix tm_file settings for x86-64.
205 * config/i386/x86-64.h: New file with OS independent x86-64
207 * config/i386/biarch64.h: New file used to configure compiler
208 to biarch/64bit compilation.
210 * config/i386/i386.c: (override_options): Set flags default
211 for 64bit compilation.
213 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
215 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
216 (ix86_expand_int_movcc): Optimize DImode conditional moves with
218 (ix86_attr_length_immediate_default): Support MODE_DI.
219 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
221 (indirect_jump, tablejump): Turn into expander.
223 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
225 * c-common.c (c_format_attribute_table): Make format and
226 format_arg attributes apply to function types rather than to
228 (is_valid_printf_arglist): Construct an attribute list and pass
229 that to check_function_format rather than a name.
230 * c-common.h (check_function_format): Adjust prototype.
231 * c-decl.c (duplicate_decls): Preserve attributes from type of
232 built-in decl when allowing for harmless conflict in types.
233 * c-format.c (record_function_format,
234 record_international_format, function_format_list,
235 international_format_info, international_format_list): Remove.
236 (function_format_info): Remove next, name and assembler_name.
237 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
238 (decode_format_attr): New.
239 (handle_format_attribute): Handle receiving a type rather than a
240 decl. Call decode_format_attr. Store format information in a
241 function_format_info.
242 (handle_format_arg_attribute): Correct comment. Handle receiving
243 a type rather than a decl. Use unsigned HOST_WIDE_INT for
245 (check_format_info_recurse, check_format_info_main): Take argument
246 numbers as unsigned HOST_WIDE_INT.
247 (check_function_format): Take a list of attributes from the
248 function type rather than a name or assembler name. Check for
249 format attributes in that list and the attributes on the type of
250 the current function rather than looking through
251 function_format_list.
252 (check_format_info): Use unsigned HOST_WIDE_INT for argument
254 (check_format_info_recurse): Take format_arg attributes from the
255 type of the function calls rather than using
256 international_format_list. Allow for multiple format_arg
258 * c-typeck.c (build_function_call): Pass type attributes to
259 check_function_format rather than name or assembler name. Don't
260 require there to be a name or assembler name to check formats.
262 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
264 * attribs.c (decl_attributes): Possibly call
265 insert_default_attributes to insert default attributes on
266 functions in a lazy manner.
267 * builtin-attrs.def: New file; define the default format and
268 format_arg attributes.
269 * c-common.c (c_format_attribute_table): Move to earlier in the
271 (c_common_nodes_and_builtins): Initialize format_attribute_table.
272 (enum built_in_attribute, built_in_attributes,
273 c_attrs_initialized, c_init_attributes,
274 c_common_insert_default_attributes): New.
275 (c_common_lang_init): Don't initialize format_attribute_table. Do
276 call c_init_attributes.
277 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
278 * c-common.h (init_function_format_info): Don't declare.
279 (c_common_insert_default_attributes): Declare.
280 * c-decl.c (implicitly_declare, builtin_function): Call
282 (init_decl_processing): Don't call init_function_format_info.
283 (insert_default_attributes): New.
284 * c-format.c (handle_format_attribute,
285 handle_format_arg_attribute): Be quiet about inappropriate
286 declaration when applying default attributes.
287 (init_function_format_info): Remove.
288 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
289 (insert_default_attributes): Declare.
291 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
293 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
295 2001-10-01 Jim Wilson <wilson@redhat.com>
297 * sched-deps.c (add_dependence): When elide conditional dependence,
298 check that insn doesn't modify cond2.
300 2001-10-01 Dale Johannesen <dalej@apple.com>
302 * config/rs6000/rs6000.h (enum processor_type): Add support
303 for 7400 (G4) and 7450.
305 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
306 (rs6000_issue_rate): Ditto.
307 (rs6000_adjust_cost): Fix cycle counts for compares.
308 (debug_stack_info): Fix an obvious typo.
309 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
310 * doc/invoke.texi: Document.
311 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
313 (PROCESSOR_DEFAULT): Ditto.
315 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
317 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
318 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
319 later recursive make invocation.
321 2001-10-01 Hans Boehm <boehm@acm.org>
323 * optabs.c (emit_libcall_block): When using non-call exceptions,
324 don't add REG_LIBCALL reg notes to trapping calls.
326 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
328 * flow.c (propagate_block_delete_libcall): Remove unused first arg
329 (propagate_one_insn): Update for above change
331 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
333 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
334 _Unwind_GetTextRelBase): Argument is unused.
336 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
338 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
339 Loop through NOPs, placeholders, and components.
340 Don't go through NOPs if change mode.
341 (record_alias_subset): Do nothing if SUBSET and SET are the same.
342 * emit-rtl.c (set_mem_alias_set): Enable check.
343 * expr.c (find_placeholder): New function.
344 (expand_expr, case PLACEHOLDER_EXPR): Use it.
345 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
346 to modify it and avoid unneeded copies.
347 * expr.h (expand_expr): Always define.
348 (find_placeholder): New declaration.
350 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
352 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
353 operand 2 is the stack pointer.
354 ("addr-peephole"): Fix address computation peephole when operand 2
355 is the stack pointer.
357 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
359 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
360 (ix86_setup_incoming_varargs): Likewise.
362 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
364 * stor-layout.c (layout_type): Don't complain about too-large
367 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
369 * function.c (keep_stack_depressed): Don't use delete_insn.
371 * expr.h (set_mem_alias_set): Move decl to here.
372 * rtl.h (mem_attrs): New typedef and struct.
373 (union rtunion_def): Add field for mem_attrs.
374 (X0MEMATTR, MEM_ATTRS): New macros.
375 (MEM_ALIAS_SET): Use MEM_ATTRS.
376 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
377 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
378 (set_mem_alias_set): Delete decl from here.
380 * alias.c (set_mem_alias_set): Delete from here.
381 * emit-rtl.c (mem_attrs_htab): New variable.
382 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
383 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
384 (mem_attrs_mark, get_mem_attrs): Likewise.
385 (gen_rtx_MEM): Clear MEM_ATTRS.
386 (set_mem_attributes): Move to here.
387 (set_mem_alias_set): Likewise, and call get_mem_attrs.
388 (init_emit_once): const_int_htab now deletable htab.
389 Initialize mem_attrs_htab.
390 * explow.c (set_mem_attributes): Delete from here.
391 * function.c (put_var_into_stack): Clear MEM_ATTRS.
392 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
393 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
394 * reload1.c (reload): Rework changing REG to MEM.
396 2001-09-30 H.J. Lu <hjl@gnu.org>
398 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
399 * config.in: Rebuild.
401 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
403 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
404 ("tsthi_1"): Avoid allocation in register y.
405 ("*movqi_68hc12"): Reorganize and fix constraints.
406 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
407 ("addqi3"): Likewise.
408 ("addhi3"): Fix constraints.
409 ("*logicalhi3_zexthi"): Disparage soft registers.
411 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
413 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
416 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
418 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
419 that we use setjmp/longjmp exceptions.
421 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
423 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
424 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
425 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
426 _cpp_pool_alloc, _cpp_next_chunk): Remove.
427 (_cpp_extend_buff, BUFF_ROOM): Update.
428 (_cpp_append_extend_buff): New.
429 (struct cpp_reader): Remove macro_pool, add a_buff.
430 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
432 (cpp_destroy): Free a_buff instead of macro_pool.
433 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
434 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
435 _cpp_pool_alloc, ): Remove.
436 (parse_number, parse_string): Update use of _cpp_extend_buff.
437 (_cpp_extend_buff): Update.
438 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
439 * cpplib.c (glue_header_name, parse_answer):
440 Update use of _cpp_extend_buff.
441 (cpp_register_pragma, cpp_register_pragma_space): Use
443 (do_assert, do_unassert): Check for EOL, update.
444 * cppmacro.c (stringify_arg, collect_args): Update to use
445 _cpp_extend_buff and _cpp_append_extend_buff.
446 (save_parameter, parse_params, alloc_expansion_token,
447 _cpp_create_definition): Rework memory management.
449 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
451 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
452 update md_exec_prefix.
453 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
456 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
458 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
459 (SELECT_CC_MODE): Use s390_select_ccmode.
460 * config/s390/s390-protos.h (s390_select_ccmode): Add.
461 * config/s390/s390.c (s390_select_ccmode): New.
462 (s390_match_ccmode): Add CCLmode.
463 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
464 (output_branch_condition, output_inverse_branch_condition): Removed.
465 (print_operand): Use s390_branch_condition_mnemonic.
466 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
467 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
468 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
470 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
471 when converting conditional branches to far branches.
472 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
473 cmpint_di): Use CCSmode instead of CCUmode.
475 * config/s390/s390.c (legitimate_la_operand_p): New.
476 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
477 * config/s390/s390.md (movsi): Convert load address patterns to
478 arithmetic operations when necessary.
479 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
480 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
481 (*do_la_reg_0): Don't use before reload.
483 * config/s390/s390.c (legitimize_address): Make more efficient
484 use of two-register addressing mode.
486 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
487 with -mno-backchain in some corner cases.
489 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
491 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
493 * reload.c (find_reloads): Mark new USE insns with QImode.
494 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
495 find_reloads_subreg_address): Likewise.
496 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
498 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
500 (reload): Make sure there are no USEs with mode other than
501 VOIDmode. At the end, remove those marked with QImode.
503 2001-09-29 Per Bothner <per@bothner.com>
505 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
506 * Makefile.in (includedir): Rename to local_includedir.
507 (includedir): Define as $(prefix)/include.
508 * config.in (PREFIX_INCLUDE_DIR): New variable.
509 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
511 2001-09-29 Bernd Schmidt <bernds@redhat.com>
513 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
515 * doc/extend.texi (Vector Extensions): New node.
516 * doc/invoke.texi (Machine Dependent Options): Add documentation for
517 i386 -mmmx, -msse, -m3dnow.
519 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
521 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
523 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
525 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
527 * doc/invoke.texi (Optimize Options): Delete spurious @table.
529 2001-09-28 Richard Henderson <rth@redhat.com>
531 * varasm.c (assemble_integer): Bound alignment check by
534 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
536 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
538 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
540 2001-09-25 Bernd Schmidt <bernds@redhat.com>
542 Mostly from Graham Stott <grahams@redhat.com>
543 * c-common.c (type_for_mode): Add support for V2SFmode.
544 * tree.c (build_common_tree_nodes_2): Likewise.
545 * tree.h (enum tree_index, global_trees): Likewise.
546 * config/i386/i386.c (x86_3dnow_a): New variable.
547 (override_options): Support 3Dnow extensions.
548 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
549 Athlon's version of 3Dnow.
550 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
551 (ix86_expand_builtin): Handle them.
552 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
553 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
554 TARGET_3DNOW_A): New macros.
555 (TARGET_SWITCHES): Add 3Dnow switches.
556 (VALID_MMX_REG_MODE_3DNOW): New macro.
557 (VECTOR_MODE_SUPPORTED_P): Use it.
558 (enum ix86_builtins): Add entries for 3Dnow builtins.
559 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
560 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
561 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
562 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
563 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
564 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
565 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
566 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
567 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
568 sfence_insn, prefetch): Make these available if TARGET_SSE or
571 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
573 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
574 ix86_va_start, ix86_build_va_list): Declare.
575 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
576 ix86_va_start, ix86_build_va_list): New global functions.
577 * i386.md (sse_prologue_save_insn): New insn.
578 (sse_prologue_save): New expander.
579 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
580 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
582 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
584 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
585 Use size_t everywhere, make definitions consistent with
588 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
590 * gcse.c (replace_store_insn): Use delete_insn.
591 * loop.c (move_movables): Likewise; avoid delete_insn
592 from clobbering notes moved elsewhere.
593 (check_dbra_loop): Use delete_insn.
594 * ssa.c (convert_from_ssa): Likewise.
595 * cse.c (cse_insn): Use delete_insn.
597 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
599 * cpphash.h (struct cpp_buff): Make unsigned.
600 (_cpp_get_buff): Take length of size_t.
601 (_cpp_unaligned_alloc): New.
602 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
603 (struct cpp_reader): Remove ident_pool. Add u_buff.
604 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
605 (cpp_destroy): Destroy u_buff, not ident_pool.
606 * cpplex.c (parse_number, parse_string, save_comment,
607 cpp_token_as_text): Update to use the unaligned buffer.
608 (new_buff): Make unsigned.
609 (_cpp_unaligned_alloc): New.
610 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
611 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
613 (collect_args): Make unsigned.
615 2001-09-27 Zack Weinberg <zack@codesourcery.com>
617 * cpplex.c (cpp_output_token): Use a putc loop for
618 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
620 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
621 * configure, config.in: Regenerate.
622 * system.h: Replace fwrite and fprintf with their unlocked
623 variants if available.
625 2001-09-27 Richard Henderson <rth@redhat.com>
627 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
628 in favour of .eh_frame.
630 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
632 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
634 (LIBCALL_VALUE): Likewise.
636 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
638 * cpphash.h: Update comment.
639 * cpplex.c: Update comments.
640 (_cpp_can_paste): Remove.
641 * cpplib.h (_cpp_can_paste): Remove.
642 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
643 lexer rather than _cpp_can_paste.
645 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
647 * doc/cppinternals.texi: Update.
649 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
651 * cpphash.h (struct cpp_pool): Remove locks and locked.
652 (struct cpp_context): Add member buff.
653 (struct cpp_reader): Remove member argument_pool.
654 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
655 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
656 * cpplex.c (chunk_suitable): Remove pool argument.
657 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
658 (new_buff, _cpp_extend_buff): Update.
659 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
660 which buffer is returned.
661 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
662 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
663 * cppmacro.c (lock_pools, unlock_pools): Remove.
664 (push_ptoken_context): Take a _cpp_buff.
665 (enter_macro_context): Pool locking removed.
666 (replace_args): Use a _cpp_buff for the replacement list with
668 (push_token_context): Clear buff.
669 (expand_arg): Use _cpp_pop_context.
670 (_cpp_pop_context): Free a context's buffer, if any.
672 2001-09-26 DJ Delorie <dj@redhat.com>
674 * c-typeck.c (digest_init): Check for sizeless arrays.
676 2001-09-26 Richard Henderson <rth@redhat.com>
678 * optabs.c (init_one_libfunc): Create a dummy function type
679 instead of using error_mark_node.
681 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
683 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
684 _cpp_extend_buff, _cpp_free_buff): New.
685 (struct cpp_reader): New member free_buffs.
686 * cppinit.c (cpp_destroy): Free buffers.
687 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
688 _cpp_extend_buff, _cpp_free_buff): New.
689 * cpplib.h (struct cpp_options): Remove unused member.
690 * cppmacro.c (collect_args): New. Combines the old parse_arg
691 and parse_args. Use _cpp_buff for memory allocation.
692 (funlike_invocation_p, replace_args): Update.
694 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
696 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
698 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
700 * except.c (sjlj_mark_call_sites): Change address inside sequence.
702 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
704 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
707 2001-09-25 Janis Johnson <janis187@us.ibm.com>
708 Jim Wilson <wilson@redhat.com>
710 * doc/install.texi (Specific, ia64-*-linux): Document.
712 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
714 * Makefile.in (cfgrtl.o): Add.
715 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
716 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
717 free_aux_for_edge): Declare.
719 (HAVE_return): Undefine.
720 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
721 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
722 free_aux_for_edge): New global functions.
723 (first_delete_block): New static variable.
724 (init_flow): Clear first_delete_block.
725 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
726 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
727 try_redirect_by_replacing_jump, last_loop_beg_note,
728 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
729 delete_insn, delete_insn_chain, create_basic_block_structure,
730 create_basic_block, flow_delete_block, compute_bb_for_insn,
731 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
732 set_block_for_new_insns, split_block, merge_blocks_nomove,
733 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
734 redirect_edge_and_branch, force_nonfallthru_and_redirect,
735 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
736 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
737 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
738 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
739 purge_all_dead_edges): Move to ....
740 * cfgrtl.c: New file; .... Here.
742 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
743 (reroder_basic_block): Use alloc_aux_for_blocks.
744 * predict.c (estimate_bb_frequencies): Likewise; use
746 * profile.c (compute_branch_probabilities): Likewise.
747 (branch_prob): Likewise.
748 * reg-stack.c (reg_to_stack): Likewise.
750 * emit-rtl.c (emit_insns_after): Never return NULL.
752 * basic-block.h (set_block_for_new_insns): Delete.
753 * cfgrtl.c (set_block_for_new_insns): Delete.
755 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
756 calls when crossjumping.
758 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
759 * unroll.c (copy_loop_body): Use delete_insn.
761 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
762 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
763 keep_stack_depressed): Likewise.
764 * gcse.c (cprop_cc0_jump): Likewise.
765 * local-alloc.c (update_equiv_regs): Likewise.
766 * loop.c (scan_loop, loop_delete_insns): Likewise.
767 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
768 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
769 delete_output_reload, delete_address_reloads_1,
770 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
772 * sibcall.c (replace_call_placeholder): Likewise.
773 * cse.c (cse_insn): Likewise.
775 2001-09-25 Bernd Schmidt <bernds@redhat.com>
777 From Graham Stott <grahams@redhat.com>
778 (def_builtin): Only define builtins appropriate for target_flags. All
780 (builtin_decsription): Add new field mask which is used to determine
781 when to define the builtin via the macro def_builtin.
783 (bdesc_comi): Initialise new mask fields.
784 (bdesc_2srg): Likewise.
785 (bdesc_1arg): Likewise.
787 * config/i386/i386.c (ix86_init_builtins): Correct return type
788 building v4hi_ftype_v4hi_int_int tree node.
789 (ix86_expand_sse_comi): Fix typo swapping operands.
790 Don't swap comparision condition, it is already swapped.
791 (ix86_expand_sse_compare): Before swapping operands
792 move operand 1 into new rtx and not the target rtx.
793 Don't swap comparison condition, it is already swapped.
794 Always check whether we need to create a new TARGET.
796 * config/i386/i386.md: (sse_comi) Fix typos.
797 (sse_ucomi): Likewise.
798 (cvtss2si): Fix operand 0 contraint.
799 (cvttss2si): Likewise.
800 (sse_unpckhps): Fix mode for operand 2.
801 (sse_unpcklps): Likewise.
803 2001-09-25 Graham Stott <grahams@redhat.com>
805 * sibcall.c (skip_copy_to_return_value): Tighten return value
808 2001-09-24 David Edelsohn <edelsohn@gnu.org>
810 * rs6000.c (lwa_operand): Address must be word aligned.
812 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
814 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
816 (type_hash_mark): Mark type itself.
818 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
820 * c-lex.c (cb_def_pragma): Update.
821 (c_lex): Update, and skip padding.
822 * cppexp.c (lex, parse_defined): Update, remove unused variable.
823 * cpphash.h (struct toklist): Delete.
825 (struct cpp_context): Update.
826 (struct cpp_reader): New members eof, avoid_paste.
827 (_cpp_temp_token): New.
828 * cppinit.c (cpp_create_reader): Update.
829 * cpplex.c (_cpp_temp_token): New.
830 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
831 (cpp_output_token): Don't print leading whitespace.
832 (cpp_output_line): Update.
833 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
834 do_include_common, do_line, do_ident, do_pragma,
835 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
836 parse_assertion): Update.
837 (get_token_no_padding): New.
838 * cpplib.h (CPP_PADDING): New.
839 (AVOID_LPASTE): Delete.
840 (struct cpp_token): New union member source.
841 (cpp_get_token): Update.
842 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
843 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
844 replace_args, quote_string, stringify_arg, parse_arg, next_context,
845 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
846 _cpp_backup_tokens, _cpp_create_definition): Update.
847 (push_arg_context): Delete.
848 (padding_token, push_token_context, push_ptoken_context): New.
849 (make_string_token, make_number_token): Update, rename.
850 (cpp_get_token): Update to handle tokens as pointers to const,
851 and insert padding appropriately.
852 * cppmain.c (struct printer): New member prev.
853 (check_multiline_token): Constify.
854 (do_preprocessing, cb_line_change): Update.
855 (scan_translation_unit): Update to handle spacing.
856 * scan-decls.c (get_a_token): New.
857 (skip_to_closing_brace, scan_decls): Update.
858 * fix-header.c (read_scan_file): Update.
860 * doc/cpp.texi: Update.
862 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
864 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
865 leak by passing malloc'ed pointer to reconcat, not concat.
867 2001-09-24 DJ Delorie <dj@redhat.com>
869 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
871 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
873 * flow.c (delete_dead_jumptables): Delete jumptable if the only
874 reference is from the literal pool.
876 2001-09-24 Janis Johnson <janis187@us.ibm.com>
878 * doc/install.texi (Final install): Request additional information
879 in mail about successful builds.
881 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
883 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
884 initial value of return pointer register instead of value in frame-20.
887 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
889 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
890 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
891 the libcall if there isn't a referenced identifier for the symbol.
893 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
895 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
896 non 64-bit machines. Use these as a plabel for the trampoline.
897 (TRAMPOLINE_SIZE): Adjust size for new words.
898 (INITIALIZE_TRAMPOLINE): Initialize new words.
899 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
900 pointer to the plabel in the trampoline.
902 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
904 * pa.c (function_arg): Pass floating arguments in both general and
905 floating registers in indirect (dynamic) calls when generating code
906 for the 32 bit ABI and the HP assembler.
908 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
910 * doc/install.texi: Markup fixes.
911 Use Solaris 2, SunOS 4 as appropriate.
912 (Specific, *-*-solaris2*): Explain this.
913 Unconditionally warn against /usr/ucb tools.
914 Remove Sun as warning, obsolete.
915 Move X11 header bug workaround here, update patches.
916 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
917 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
919 2001-09-23 Zack Weinberg <zack@codesourcery.com>
921 * errors.h (warning, error, fatal, internal_error): Don't mark
922 with ATTRIBUTE_PRINTF_n.
923 * toplev.h (internal_error, fatal_io_error, warning, error,
924 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
925 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
928 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
930 * function.c (pop_function_context_from): var_refs_queue
931 and temp slots now in GC memory.
932 (mark_function_status, free_after_compilation): Likewise;
933 also struct function now in GC memory.
934 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
935 (combine_temp_slots): Likewise.
936 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
937 (prepare_function_start): Use GC memory for struct function.
938 (mark_temp_slot): Deleted.
939 (gcc_mark_struct_function): struct function now in GC memory.
941 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
942 code for division, not modulus.
944 * rtl.def (MEM): Remove obsolete part of comment.
946 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
948 * c-format.c (init_function_format_info): Check __builtin_printf
949 and __builtin_fprintf even if -ffreestanding. Check C99 functions
952 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
954 * c-common.c (format_attribute_table): Remove decl.
955 * tree.h (format_attribute_table, lang_attribute_table): New decls.
956 (lang_attribute_common): Likewise.
958 * function.c (fix_lexical_address): Use set_mem_alias_set.
959 (expand_function_start): Likewise.
960 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
962 * varasm.c (output_constant): Fix unused variable warning.
964 * attribs.c: New file, from c-common.c.
965 (attribute_tables): Now four elements.
966 (format_attribute_table, lang_attribute_common): New variables.
967 (init_attributes): Reflect above changes.
968 (handle_mode_attribute): Delete check for wider than uintmax.
969 * c-common.c: Delete parts moved to attribs.c.
970 (enum attrs): Deleted; unused.
971 (c_format_attribute_table): New variable.
972 (c_common_lang_init): Initialize format_attribute_table with it.
973 * c-common.h (decl_attributes): Remove decl.
974 * tree.h (decl_attribute): Move it to here.
975 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
976 (attribs.o): New rule.
978 2001-09-22 Andreas Jaeger <aj@suse.de>
980 * builtins.c (c_getstr): Remove unused variable.
982 2001-09-21 Richard Henderson <rth@redhat.com>
984 * reload1.c (reload): Use delete_insn instead of splatting
987 2001-09-21 Richard Henderson <rth@redhat.com>
989 * reload.c (push_secondary_reload): Don't check for "=" in output
990 constraint after ""->ALL_REGS check.
992 2001-09-21 Richard Henderson <rth@redhat.com>
994 * predict.c (expected_value_to_br_prob): Use pc_set.
996 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
997 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
999 2001-09-21 Richard Henderson <rth@redhat.com>
1001 * rtl.h (LCT_RETURNS_TWICE): New.
1002 * calls.c (emit_call_1): Set current_function_calls_setjmp for
1004 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
1005 to ECF_RETURNS_TWICE.
1006 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
1009 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
1011 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
1012 (JMP_BUF_SIZE): New.
1014 2001-09-21 Richard Henderson <rth@redhat.com>
1016 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
1019 2001-09-21 Richard Henderson <rth@redhat.com>
1021 * tree.def (FDESC_EXPR): New.
1022 * expr.c (expand_expr): Handle it.
1023 * varasm.c (initializer_constant_valid_p): Likewise.
1024 (output_constant): Likewise.
1025 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1026 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1027 (ASM_OUTPUT_FDESC): New.
1028 * doc/tm.texi: Document the new macros.
1030 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1032 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1033 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1034 once merging is complete.
1036 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1038 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1040 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1042 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1043 that would be invalid after a merge.
1045 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1047 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1048 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1050 (flow_delete_insn): This one.
1051 (delete_insn_chain): Rename from ...; do not care labels.
1052 (flow_delete_insn_chain): ... this one.
1053 (flow_delete_block): Remove the insns one BB has been expunged.
1054 (merge_blocks_nomove): Likewise.
1055 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1056 updating BB boundaries.
1057 (tidy_fallthru_edge): Likewise.
1058 (commit_one_edge_insertion): Likewise.
1059 * cfgbuild.c (find_basic_block): Likewise.
1060 (find_basic_blocks_1): Likewise.
1061 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1062 (try_crossjump_to_edge): Likewise.
1063 (try_optimize_cfg): Likewise.
1064 * cse.c (delete_trivially_dead_insns): Likewise.
1065 * df.c (df_insn_delete): Likewise.
1066 * doloop.c (doloop_modify): Use delete_related_insns.
1067 * emit-rtl.c (try_split): Likewise.
1068 (remove_insn): Update BB boundaries.
1069 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1070 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1071 updating BB boundaries.
1072 (propagate_block_delete_insn): Likewise.
1073 (propagate_block_delete_libcall): Likewise.
1074 * function.c (delete_handlers): Use delete_related_insns.
1075 (thread_prologue_and_epilogue_insns): Likewise.
1076 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1077 * genpeep.c (gen_peephole): Use delete_related_insns.
1078 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1080 (find_cond_trap): Likewise.
1081 * integrate.c (save_for_inline): Use delete_related_insns.
1082 (copy_insn_list): Likewise.
1083 * jump.c (pruge_linie_number_notes): Likewise.
1084 (duplicate_loop_exit_test): Likewise.
1085 (delete_computation): Likewise.
1086 (delete_related_insn): Rename from ...; use delete_insn
1087 (delete_insn): ... this one.
1088 (redirect_jump): Use delete_related_insns.
1089 * loop.c (scan_loop): Likewise.
1090 (move_movables): Likewise.
1091 (find_and_verify_loops): Likewise.
1092 (check_dbra_loop): Likewise.
1093 * recog.c (peephole2_optimize): Likewise.
1094 * reg-stack.c (delete_insn_for_stacker): Remove.
1095 (move_for_stack_reg): Use delete_insn.
1096 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1097 * reload1.c (delete_address_reloads): Use delete_related_insns.
1098 (fixup_abnormal_edges): Use delete_insn.
1099 * recog.c (emit_delay_sequence): Use delete_related_insns.
1100 (delete_from-delay_slot): Likewise.
1101 (delete_scheduled_jump): likewise.
1102 (optimize_skip): Likewise.
1103 (try_merge_delay_insns): Likewise.
1104 (full_simple_delay_slots): Likewise.
1105 (fill_slots_from_thread): Likewise.
1106 (relax_delay_slots): Likewise.
1107 (make_return_insns): Likewise.
1108 (dbr_schedule): Likewise.
1109 * rtl.h (delete_insn): Rename to delete_related_insns.
1110 (delete_insn, delete_insn_chain): New prototypes.
1111 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1112 by df_insn_delete already.
1113 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1114 * ssa.c (convert_from_ssa): Use delete_related_insns.
1115 * unroll.c (unroll_loop): Likewise.
1116 (calculate_giv_inc): Likewise.
1117 (copy_loop_body): Likewise.
1119 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1120 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1121 ix86_return_in_memory, ix86_function_value): Declare.
1122 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1123 new static valurables.
1124 (x86_64_reg_class): New enum
1125 (x86_64_reg_class_name): New array.
1126 (classify_argument, examine_argument, construct_container,
1127 merge_classes): New static functions.
1128 (optimization_options): Enable flag_omit_frame_pointer and disable
1129 flag_pcc_struct_return on 64bit.
1130 (ix86_libcall_value, ix86_function_value,
1131 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1132 ix86_return_in_memory, ix86_function_value): New global functions.
1133 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1134 (function_arg_advance): Handle x86_64 passing conventions.
1135 (function_arg): Likewise.
1136 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1137 (RETURN_IN_MEMORY): Move offline.
1138 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1139 (FUNCTION_VALUE_REGNO_P): New macro.
1140 (FUNCTION_ARG_REGNO_P): Move offline.
1141 (struct ix86_args): Add maybe_vaarg.
1142 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1143 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1145 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1147 * s390.md: Changed attributes for scheduling.
1148 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1151 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1153 Table-driven attributes.
1154 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1155 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1156 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1157 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1158 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1159 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1160 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1161 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1162 * tree.h (struct tree_decl): Change machine_attributes to
1164 * doc/c-tree.texi: Document that all attributes are now attached
1166 * c-common.c (add_attribute, attrtab, attrtab_idx,
1167 default_valid_lang_attribute, valid_lang_attribute): Remove.
1168 (attribute_tables, attributes_initialized,
1169 c_common_attribute_table, default_lang_attribute_table): New
1171 (handle_packed_attribute, handle_nocommon_attribute,
1172 handle_common_attribute, handle_noreturn_attribute,
1173 handle_unused_attribute, handle_const_attribute,
1174 handle_transparent_union_attribute, handle_constructor_attribute,
1175 handle_destructor_attribute, handle_mode_attribute,
1176 handle_section_attribute, handle_aligned_attribute,
1177 handle_weak_attribute, handle_alias_attribute,
1178 handle_no_instrument_function_attribute,
1179 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1180 handle_no_limit_stack_attribute, handle_pure_attribute): New
1182 (init_attributes, decl_attributes): Rewrite to implement
1183 table-driven attributes.
1184 * c-common.h (enum attribute_flags): Move to tree.h.
1185 * c-format.c (decl_handle_format_attribute,
1186 decl_handle_format_arg_attribute): Rename to
1187 handle_format_attribute and handle_format_arg_attribute. Update
1188 for table-driven attributes.
1189 * c-common.h (decl_handle_format_attribute,
1190 decl_handle_format_arg_attribute): Remove prototypes.
1191 (handle_format_attribute, handle_format_arg_attribute): Add
1193 * c-decl.c (grokdeclarator): Handle attributes nested inside
1195 * c-parse.in (setattrs, maybe_setattrs): Remove.
1196 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1197 Update to handle nested attributes properly.
1198 (maybe_resetattrs, after_type_declarator,
1199 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1200 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1202 (make_pointer_declarator): Update to handle nested attributes
1204 * doc/extend.texi: Update documentation of limits of attributes
1205 syntax. Warn about problems with attribute semantics in C++.
1206 * target.h (struct target): Remove valid_decl_attribute and
1207 valid_type_attribute. Add attribute_table and
1208 function_attribute_inlinable_p.
1209 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1210 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1211 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1213 (TARGET_INITIALIZER): Update.
1214 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1216 (function_attribute_inlinable_p): New function. Check for the
1217 presence of any machine attributes before using
1218 targetm.function_attribute_inlinable_p.
1219 (function_cannot_inline_p): Update.
1220 * Makefile.in (integrate.o): Update dependencies.
1221 * doc/tm.texi: Update documentation of target attributes and
1222 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1223 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1225 (default_target_attribute_table,
1226 default_function_attribute_inlinable_p): New.
1227 (lookup_attribute): Update comment to clarify handling of multiple
1228 attributes with the same name.
1229 (merge_attributes, attribute_list_contained): Allow multiple
1230 attributes with the same name but different arguments to appear in
1231 the same attribute list.
1232 * tree.h (default_valid_attribute_p): Remove prototype.
1233 (struct attribute_spec): New.
1234 (default_target_attribute_table): Declare.
1235 (enum attribute_flags): Move from c-common.h. Add
1236 ATTR_FLAG_TYPE_IN_PLACE.
1237 (default_function_attribute_inlinable_p): Declare.
1238 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1239 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1240 (TARGET_ATTRIBUTE_TABLE): Define.
1241 (vms_attribute_table): New.
1242 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1243 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1244 (TARGET_ATTRIBUTE_TABLE): Define.
1245 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1246 * config/arm/arm.c (arm_valid_type_attribute_p,
1247 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1249 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1251 (TARGET_ATTRIBUTE_TABLE): Define.
1252 (arm_attribute_table, arm_handle_fndecl_attribute,
1253 arm_handle_isr_attribute): New.
1254 * config/avr/avr.c (avr_valid_type_attribute,
1255 avr_valid_decl_attribute): Remove.
1256 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1258 (TARGET_ATTRIBUTE_TABLE): Define.
1259 (avr_attribute_table, avr_handle_progmem_attribute,
1260 avr_handle_fndecl_attribute): New.
1261 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1262 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1263 (TARGET_ATTRIBUTE_TABLE): Define.
1264 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1265 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1266 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1267 (TARGET_ATTRIBUTE_TABLE): Define.
1268 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1269 h8300_handle_eightbit_data_attribute,
1270 h8300_handle_tiny_data_attribute): New.
1271 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1272 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1274 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1276 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1277 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1279 (TARGET_ATTRIBUTE_TABLE): Define.
1280 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1281 ix86_handle_regparm_attribute): New.
1282 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1283 i386_pe_valid_type_attribute_p): Remove.
1284 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1285 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1286 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1287 (TARGET_ATTRIBUTE_TABLE): Define.
1288 (ia64_attribute_table): New.
1289 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1290 interrupt_ident2, model_ident1, model_ident2): Remove.
1291 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1292 (TARGET_ATTRIBUTE_TABLE): Define.
1293 (init_idents): Update.
1294 (m32r_attribute_table, m32r_handle_model_attribute): New.
1295 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1297 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1298 (TARGET_ATTRIBUTE_TABLE): Define.
1299 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1300 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1301 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1302 (TARGET_ATTRIBUTE_TABLE): Define.
1303 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1304 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1305 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1306 (TARGET_ATTRIBUTE_TABLE): Define.
1307 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1308 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1309 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1310 (TARGET_ATTRIBUTE_TABLE): Define.
1311 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1312 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1313 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1314 (TARGET_ATTRIBUTE_TABLE): Define.
1315 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1316 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1318 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1320 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1321 (TARGET_ATTRIBUTE_TABLE): Define.
1322 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1324 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1325 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1326 (TARGET_ATTRIBUTE_TABLE): Define.
1327 (v850_attribute_table, v850_handle_interrupt_attribute,
1328 v850_handle_data_area_attribute): New.
1329 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1330 Return void. Call decl_attributes instead of
1331 valid_machine_attribute.
1333 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1335 * sh-protos.h (sh_pr_n_sets): Declare.
1336 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1337 look at the copy to determine if PR needs to be saved.
1338 sh_pr_n_sets: New function.
1339 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1340 (ALLOCATE_INITIAL_VALUE): Define.
1342 * sh.c (initial_elimination_offset):
1343 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1345 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1347 * integrate.c (allocate_initial_values): New function.
1348 * integrate.h (allocate_initial_values): Declare.
1349 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1351 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1353 * toplev.c (rest_of_compilation): To here.
1354 Call allocate_initial_values.
1355 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1357 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1359 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1361 2001-09-20 DJ Delorie <dj@redhat.com>
1363 * c-typeck.c (really_start_incremental_init): Discriminate
1364 between zero-length arrays and flexible arrays.
1365 (push_init_level): Detect zero-length arrays and handle them
1366 like fixed-sized arrays.
1367 * expr.c (store_constructor): Handle zero-length arrays and
1368 flexible arrays correctly.
1369 * doc/extend.texi: Update zero-length array notes.
1371 2001-09-20 Jim Wilson <wilson@redhat.com>
1373 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1374 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1375 for issue port conflicts.
1376 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1378 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1380 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1383 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1385 * fold-const.c (hashtab.h): Include.
1386 (int_const_binop): Remove FORSIZE arg and compute from type; all
1388 Call size_int_type_wide for all single-word constants.
1389 (size_htab_hash, size_htab_eq): New functions.
1390 (size_int_type_wide): Rework to use hash table.
1391 * ggc-common.c (hashtab.h): Include.
1392 (struct d_htab_root): New struct.
1393 (d_htab_roots): New variable.
1394 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1395 (ggc_mark_roots): Handle deletable htabs.
1396 * ggc-page.c (ggc_marked_p): New function.
1397 * ggc-simple.c (ggc_marked_p): Likewise.
1398 * ggc.h: Reformatting throughout.
1399 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1400 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1401 (type_hash_add): Allocate struct type_hash from GC memory.
1402 (mark_hash_entry, mark_type_hash): Deleted.
1403 (type_hash_marked_p, type_hash_mark): New functions.
1404 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1406 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1408 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1411 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1413 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1414 array-too-large test for signed sizetype.
1416 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1418 * i386.md (indirect_jump): Allow Pmode operand.
1419 (tablejump): LIkewise; perform expansion to 64bit mode.
1420 * i386.c (symbolic_operand): Allow 64bit PIC references.
1421 (pic_symbolic_operand): Likewise.
1422 (ix86_find_base_term): Strip the 64bit PIC references.
1423 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1424 (legitimize_pic_address): Likewise.
1425 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1426 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1428 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1430 * stringpool.c (get_identifier_with_length): New function.
1431 * tree.h (get_identifier_with_length): New prototype.
1433 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1434 David Edelsohn <edelsohn@gnu.org>
1437 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1438 already sign-extended.
1440 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1441 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1443 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1444 (output_profile_hook): Declare label_name const.
1445 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1446 to match constraints.
1448 2001-09-19 Stan Shebs <shebs@apple.com>
1450 * alias.c: Fix typos in comments.
1451 * sched-rgn.c (init_ready_list): Ditto.
1452 * unwind-dw2.c (uw_frame_state_for): Ditto.
1453 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1454 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1455 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1457 2001-09-19 Richard Henderson <rth@redhat.com>
1459 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1461 * Makefile.in (cfg.o): Depend on TM_P_H.
1463 2001-09-19 Richard Henderson <rth@redhat.com>
1465 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1466 (local_symbolic_operand): ... here.
1467 (small_symbolic_operand): Check mode.
1468 (global_symbolic_operand): New.
1469 (input_operand): Reject symbolics if explicit relocs.
1470 (call_operand): Tidy.
1471 (alpha_legitimize_address): Use movdi_er_high_g.
1472 (alpha_expand_mov): Likewise.
1473 * config/alpha/alpha-protos.h: Update.
1474 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1475 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1476 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1477 (UNSPECV_LDGP2): Remove.
1478 (all call patterns): Use 's' not 'i' for symbolic constraint.
1479 (call_osf call_value_osf): Use call_operand.
1480 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1481 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1482 (prologue_ldgp_1_er): Remove.
1483 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1484 (builtin_setjmp_receiver_er patterns): Use them.
1485 (exception_receiver_er): Likewise.
1487 2001-09-19 Richard Henderson <rth@redhat.com>
1489 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1491 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1492 and NON_LOCAL_GOTO notes.
1493 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1494 copy over CALL_INSN_FUNCTION_USAGE.
1496 2001-09-18 Catherine Moore <clm@redhat.com>
1498 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1501 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1503 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1504 new-style tm_file specification. Specify correct tm_p_file,
1505 md_file, and out_file for s390x.
1507 * config/s390/linux.h, linux64.h: Don't include other target
1508 macro header files. Now handled via tm_file.
1510 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1511 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1512 are defined before use.
1514 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1516 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1517 code generation only for Gnu assembler.
1519 2001-09-18 Catherine Moore <clm@redhat.com>
1521 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1523 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1525 * config/mips/mips.c (mips_frame_set): New.
1526 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1527 a parallel frame-related expression with a set for each register.
1529 2001-09-18 Philip Blundell <philb@gnu.org>
1531 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1534 2001-09-17 Dale Johannesen <dalej@apple.com>
1536 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1537 * config/rs6000/aix.h (FIXED_R2): Define.
1538 * config/rs6000/darwin.h (FIXED_R2): Define.
1539 * config/rs6000/sysv4.h (FIXED_R2): Define.
1541 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1543 * except.c (dw2_build_landing_pads): New local
1544 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1545 barrier after clobbers. Fixes c++/4012.
1547 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1549 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1551 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1553 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1554 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1556 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1558 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1561 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1563 * cpphash.h (_cpp_lex_direct): New.
1564 * cpplex.c (_cpp_lex_token): Update.
1565 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1566 and increment that pointer.
1567 * cppmacro.c (alloc_expansion_token): New.
1568 (lex_expansion_token): Lex macro expansion directly into
1571 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1573 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1575 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1577 * basic-block.h (free_bb_for_insn): Declare.
1578 * bb-reorder.c (label_for_bb): Use block_label.
1579 (emit_jump_to_block_after): Remove.
1580 (insert_intra_1): Do not update block_for_insn.
1581 (insert_inter_bb_scope_notes): Likewise; update bb->end
1582 * cfg.c (free_bb_for_insn): New.
1583 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1584 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1585 (commit_one_edge_insertion): Likewise.
1586 (commit_one_edge_insertion): Do not update BB boundary.
1587 (commit_edge_insertions): Do not call compute_bb_for_insn.
1588 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1589 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1590 (merge_blocks_move_successor_nojumps): Likewise.
1591 (try_crossjump_to_edge): Do not update block_for_insn.
1592 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1593 * df.c (df_pattern_emit_later): Do not update BB boundary.
1594 (df_jump_pattern_emit_after): Likewise.
1595 (df_insn_move_before): Use emit_insn_before.
1596 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1598 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1599 boundaries and basic_block_for_insn.
1600 (reorder_insns_nobb): Rename from reorder_insns.
1601 (reorder_insns): New.
1602 (emit_block_insn_before, emit_block_insn_after): Kill.
1603 * flow.c (check_function_return_warnings): Do not call
1604 compute_bb_for_insn; Do not free basic_block_for_insn.
1605 (attempt_auto_inc): Do not update basic_block_for_insn.
1606 * function.c (emit_return_into_block): Likewise;
1607 do not update BB boundaries.
1608 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1609 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1610 (pre_insert_copy_insn): Likewise.
1611 (update_ld_motion_notes): Likewise.
1612 (insert_insn_start_bb): Likewise.
1613 (replace_store_insn): Likewise.
1614 * ifcvt.c (noce_process_if_block): Likewise.
1615 (if_convert): Do not call compute_bb_for_insn.
1616 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1617 Use emit_insn_before and emit_insn_after.
1618 * recog.c (split_all_insns): Do not update BB boundaries;
1619 Do not call compute_bb_for_insn.
1620 (peephole2_optimize): Do not update BB boundaries.
1621 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1623 (emit_swap_insn): Likewise.
1624 (convert_regs_1): Likewise.
1625 * reload1.c (reload): Call compute_bb_for_insn.
1626 * rtl.h (reorder_insns_nobb): Declare.
1627 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1628 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1629 at places CFG is invalidated; do not call compute_bb_for_insn.
1631 * cfg.c (expunge_block): Invalidate BB structure.
1633 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1636 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1638 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1640 * cpphash.h (_cpp_lex_token): Update prototype.
1641 * cpplex.c (_cpp_lex_token): New prototype.
1642 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1643 lex_macro_node, read_flag, do_pragma_poison): Update.
1644 * cppmacro.c (cpp_get_token, parse_params,
1645 lex_expansion_token): Update.
1647 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1649 * cppmain.c (scan_translation_unit): Don't worry about
1650 putting a space after hashes.
1651 * cpplib.c (directive_diagnostics): New.
1652 (_cpp_handle_directive): Update to use directive_diagnostics.
1653 (run_directive): Don't toggle prevent_expansion.
1654 (do_line): Backup in case of the line extension.
1655 * cpplib.h (cpp_lexer_pos): Remove.
1656 * cppmacro.c (_cpp_create_definition): Precede a leading #
1659 2001-09-15 Richard Henderson <rth@redhat.com>
1661 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1663 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1665 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1667 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1669 PR preprocessor/3571
1670 * tradcpp.c (handle_directive): Skip non-vertical space.
1672 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1674 * cppmain.c (setup_callbacks): Set line callback only
1675 if outputting preprocessed source.
1677 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1679 * collect2.c (main): Const-ification.
1680 * gcc.c (translate_options, process_command): Use xstrdup in
1681 lieu of xmalloc/strcpy.
1682 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1684 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1686 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1689 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1691 * scan-decls.c (scan_decls): Fix typo.
1693 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1695 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1696 Split mlstring_pos into mls_line and mls_col.
1697 * cppinit.c (cpp_create_reader): Initialize line to 1.
1698 (cpp_destroy): Free tokenruns.
1699 (push_include): Don't update lexer_pos.
1700 * cpplex.c (unterminated, parse_string): Update.
1701 (lex_token): Don't update lexer_pos, update.
1702 * cpplib.c (if_stack): Save line instead of line + col.
1703 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1704 push_conditional, _cpp_pop_buffer): Update.
1705 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1706 (_cpp_create_definition): Update.
1708 2001-09-15 Eric Christopher <echristo@redhat.com>
1710 * config/mips/abi64.h: Add support for MEABI.
1712 2001-09-15 Eric Christopher <echristo@redhat.com>
1714 * config/mips/mips.md: Add unspec #2.
1716 (reload_outdi): Ditto.
1717 (reload_outsi): Ditto.
1720 2001-09-15 Eric Christopher <echristo@redhat.com>
1721 Jason Eckhardt <jle@redhat.com>
1723 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1724 * config/mips/isa32-linux.h: New file.
1725 * config/mips/isa3264.h: Ditto.
1726 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1727 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1728 (output_block_mode): Support MEABI.
1729 (function_arg): Ditto. Fix floating point arg passing.
1730 (mips_va_start): Ditto.
1731 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1733 (mips_asm_file_start): Add new section to pass abi to gdb.
1734 (function_arg_pass_by_reference): Support MEABI.
1735 (mips_parse_cpu): Support mips32 and mips64 processors.
1736 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1737 TARGET_MIPS5KC. Support isa32 and isa64.
1738 (processor_type): Add r4kc, r5kc, r20kc.
1739 (GENERATE_MULT3_SI): New.
1740 (GENERATE_MULT3_DI): Ditto.
1741 (GENERATE_MULT3): Remove.
1742 (ISA_HAS_64BIT_REGS): Add isa == 64.
1743 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1744 (ISA_HAS_MADD_MSUB): New.
1745 (ISA_HAS_CLZ_CLO): Ditto.
1746 (ISA_HAS_DCLZ_DCLO): Ditto.
1747 (ABI_GAS_ASM_SPEC): New.
1748 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1751 (SUBTARGET_CC1_SPEC): Ditto.
1752 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1753 (PAD_VARARGS_DOWN): Support MEABI.
1754 (HARD_REGNO_NREGS): Move to mips.c.
1755 (ASM_OUTPUT_IDENT): Add #undef.
1756 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1757 (mulsi3): Use GENERATE_MULT3_SI.
1758 (mulsi3_mult3): Ditto. Support mips32, mips64.
1759 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1760 (mul_sub_si): New pattern.
1761 (unnamed splitters): New.
1762 (muldi3): Use GENERATE_MULT3_DI.
1763 (muldi3_internal2): Ditto.
1764 (movdicc): Support mips32.
1765 * config/mips/t-isa3264: New file.
1767 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1769 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1770 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1771 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1773 * reorg.c (fill_slots_from_thread): After call to
1774 steal_delay_list_from_target, update own_thread as new_thread may
1777 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1779 * cpperror.c (print_location): Take line and column, for
1780 default positioning use the previously lexed token.
1781 (_cpp_begin_message): Take line and column.
1782 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1783 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1784 * cpphash.h (_cpp_begin_message): Update prototype.
1785 * cppinit.c (push_include): Don't set output line.
1786 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1787 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1788 (do_pragma): Kludge for front ends. Don't expand macros at all.
1789 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1790 (struct cpp_token): Remove output_line.
1791 (struct cpp_callbacks): New member line_change.
1792 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1793 cpp_get_token): Preserve BOL flag.
1794 (cpp_get_line): Remove.
1795 (_cpp_backup_tokens): Remove useless abort().
1796 * cppmain.c (cb_line_change): New.
1797 (scan_translation_unit): Don't worry about starting new lines here.
1798 * scan-decls.c (scan_decls): Update.
1799 * c-lex.c (c_lex, init_c_lex): Update.
1800 (cb_line_change, src_lineno): New.
1802 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1804 * tree.c (append_random_chars): Generate the random
1805 characters in a reproducable fashion.
1807 2001-09-14 Richard Henderson <rth@redhat.com>
1809 * config/i386/i386.c (internal_label_prefix): New.
1810 (internal_label_prefix_len): New.
1811 (override_options): Set them.
1812 (local_symbolic_operand): New.
1813 (legitimate_pic_address_disp_p): Use it.
1814 (legitimize_pic_address): Likewise.
1816 2001-09-14 Marc Espie <espie@openbsd.org>
1818 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1821 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1823 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1824 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1826 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1828 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1829 invocation of SUBREG_REGNO_OFFSET.
1831 * haifa-sched.c: Fix typo in FSF copyright statement.
1832 * sched-deps.c: Fix typo in FSF copyright statement.
1833 * sched-ebb.c: Fix typo in FSF copyright statement.
1834 * sched-rgn.c: Fix typo in FSF copyright statement.
1835 * sched-vis.c: Fix typo in FSF copyright statement.
1837 * config.gcc: Move inclusion of arm elf specific header files
1838 from the files themselves into the tm_file variable. Make
1839 sure that elfos.h is included before target specific elf
1841 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1843 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1844 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1845 ASM_OUTPUT_CASE_LABEL): Protect definition.
1846 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1847 not already defined.
1848 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1849 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1850 Remove duplicate definition.
1851 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1852 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1853 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1854 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1855 Remove inclusion of arm/elf.h.
1856 * config/arm/unknown-elf.h: as for conix-elf.h.
1857 (STARTFILE_SPEC): Include crti.o and crtn.o.
1858 * config/arm/linux-elf.h: as for conix-elf.h.
1859 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1860 * config/arm/strongarm-elf.h: Remove inclusion of
1862 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1863 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1864 unknown-elf.h and elf.h.
1865 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1866 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1867 ASM_WEAKEN_LABEL): Remove redundant definition.
1868 * config/arm/elf.h: Test for inclusion of elfos.h
1869 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1870 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1871 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1872 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1873 redundant definition.
1874 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1875 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1876 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1877 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1878 Add rules to build crti.o and crtn.o
1879 * crti.asm: New file.
1880 * crtn.asm: New file.
1882 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1884 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1885 * cpphash.h (struct tokenrun): Add prev.
1886 (struct lexer_state): Remove bol.
1887 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1888 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1890 * cppinit.c (cpp_create_reader): Don't set bol.
1891 (cpp_destroy): Don't free lookaheads.
1892 * cpplex.c (lex_directive): Remove.
1893 (next_tokenrun): Update.
1894 (_cpp_lex_token): Clean up logic.
1895 (lex_token): Update to return a pointer to lexed token, since it
1896 can move to the start of the buffer. Simpify newline handling.
1897 * cpplib.c (SEEN_EOL): Update.
1898 (skip_rest_of_line): Remove lookahead stuff.
1899 (end_directive): Line numbers are already incremented. Revert
1900 to start of lexed token buffer if we can.
1901 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1902 parse_answer): Use _cpp_backup_tokens.
1903 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1904 instead. Don't check for EOL.
1905 (do_include_common, do_line, do_pragma_system_header): Use
1907 * cpplib.h (BOL, _cpp_backup_tokens): New.
1908 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1909 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1910 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1911 (builtin_macro): Don't use cpp_get_line.
1912 (cpp_get_line): Short term kludge.
1913 (parse_arg): Handle directives in arguments here. Back up when
1914 appropriate. Store EOF at end of argument list.
1915 (funlike_invocation_p): Use _cpp_backup_tokens.
1916 (push_arg_context): Account for EOF at end of list.
1917 (cpp_get_token): Remove lookahead stuff. Update.
1919 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1921 * c-parse.in (yyerror): Const-ification and/or static-ization.
1922 * c-typeck.c (push_member_name): Likewise.
1923 * collect2.c (main): Likewise.
1924 * dbxout.c (dbxout_parms): Likewise.
1925 * diagnostic.c (format_with_decl): Likewise.
1926 * dwarf2out.c (output_ranges): Likewise.
1927 * dwarfout.c (fundamental_type_code): Likewise.
1928 * except.c (dw2_output_call_site_table): Likewise.
1929 * gcc.c (do_spec_1): Likewise.
1930 * genopinit.c (optabs): Likewise.
1931 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1932 gen_declaration_1, handle_impent): Likewise.
1933 * protoize.c (default_include, in_system_include_dir, abspath):
1935 * sched-vis.c (visualize_stall_cycles): Likewise.
1936 * sdbout.c (plain_type_1, sdbout_end_function,
1937 sdbout_end_epilogue): Likewise.
1938 * varasm.c (decode_reg_name): Likewise.
1940 * 1750a.c (mod_regno_adjust): Likewise.
1941 * alpha.c (alpha_write_one_linkage,
1942 unicosmk_output_default_externs): Likewise.
1943 * arm.c (arm_condition_codes): Likewise.
1944 * arm.h (arm_condition_codes): Likewise.
1945 * avr.c (output_movsisf, encode_section_info): Likewise.
1946 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1948 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1949 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1950 * m88k.c (output_function_profiler): Likewise.
1951 * mips.c (mips_output_conditional_branch): Likewise.
1952 * ns32k.c (ns32k_out_reg_names): Likewise.
1953 * ns32k.h (ns32k_out_reg_names): Likewise.
1954 * pj.c (pj_output_rval): Likewise.
1955 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1956 * sparc.c (sparc_flat_function_prologue,
1957 sparc_flat_function_epilogue): Likewise.
1959 2001-09-13 Markus Werle <numerical.simulation@web.de>
1960 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1962 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1963 Aachen University of Technology".
1965 2001-09-13 Andreas Schwab <schwab@suse.de>
1967 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1970 2001-09-13 Richard Henderson <rth@redhat.com>
1972 * config/alpha/alpha.c (small_symbolic_operand): New.
1973 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1974 (some_operand, input_operand): Don't handle HIGH.
1975 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1976 (alpha_expand_mov): Likewise.
1977 (print_operand) [H]: Just print HIGH symbol.
1978 (print_operand_address): Handle small data.
1979 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1980 (TARGET_SWITCHES): Add -msmall-data/large-data.
1981 (PIC_OFFSET_TABLE_REGNUM): New.
1982 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1983 (PREDICATE_COES): Update.
1984 * config/alpha/alpha.md (adddi_er_high): New.
1985 (adddi_er_low): Handle small data.
1986 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1987 prefer .sdata to .rodata.
1988 (SELECT_RTX_SECTION): Likewise.
1990 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1992 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1993 defining __size_t and leaving size_t undefined.
1995 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1997 * basic-block.h (expunge_block): Declare.
1998 * cfg.c (expunge_block): Remove static declaration.
2000 2001-09-12 Richard Henderson <rth@redhat.com>
2002 * integrate.c (copy_insn_list): Copy label name from
2003 NOTE_INSN_DELETED_LABEL.
2005 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2007 * c-common.c (c_tree_code_name): Const-ification.
2008 * c-decl.c (c_decode_option): Likewise.
2009 * c-typeck.c (warn_for_assignment): Likewise.
2010 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
2012 * cppinit.c (output_deps): Likewise.
2013 * dependence.c (dependence_string, direction_string): Likewise.
2014 * dwarf2out.c (output_ranges): Likewise.
2015 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
2016 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
2017 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
2018 standard_startfile_prefix, standard_startfile_prefix_1,
2019 standard_startfile_prefix_2, tooldir_base_prefix,
2020 standard_bindir_prefix, find_a_file): Likewise.
2021 * genattrtab.c (make_length_attrs): Likewise.
2022 * gencheck.c (tree_codes): Likewise.
2023 * genemit.c (gen_split): Likewise.
2024 * genrecog.c (special_mode_pred_table): Likewise.
2025 * graph.c (graph_ext): Likewise.
2026 * protoize (default_include): Likewise.
2027 * reload.c (reload_when_needed_name): Likewise.
2028 * sched-vis.c (visualize_stall_cycles): Likewise.
2029 * tlink.c (recompile_files): Likewise.
2030 * toplev.c (decode_g_option): Likewise.
2031 * tradcpp.c (output_deps): Likewise.
2032 * varasm.c (decode_reg_name): Likewise.
2034 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2037 * avr.c (avr_regnames, encode_section_info): Likewise.
2038 * c4x.c (float_reg_names): Likewise.
2039 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2040 * elfos.h (const_section): Likewise.
2041 * i386.c (ix86_comp_type_attributes): Likewise.
2042 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2043 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2044 * ia64.c (type_names): Likewise.
2045 * m68hc11.c (reg_class_names): Likewise.
2046 * m88k.c (m_options): Likewise.
2047 * mips.c (mips_output_conditional_branch, mips_unique_section):
2049 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2050 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2051 ultra_code_names): Likewise.
2052 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2054 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2056 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2057 Use --fatal-warnings option for gas.
2058 * configure: Rebuilt.
2060 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2062 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2064 2001-09-11 Jim Wilson <wilson@redhat.com>
2066 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2068 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2070 * builtins.c (c_strlen): Treat an offset too large for a
2071 HOST_WIDE_INT as out of range.
2073 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2075 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2076 (EDGE_CRITICAL_P): New predicate.
2077 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2079 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2080 (dump_edge_info): Remove "crit".
2081 * cfganal.c (mark_critical_edges): Kill.
2082 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2083 * cfgcleanup.c (cleanup_cfg): Likewise.
2084 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2085 (find_spanning_tree): Likewise.
2086 * reg-stack.c (convert_regs_1): Likewise.
2087 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2089 * basic-block.h (create_basic_block_structure): New.
2090 (create_basic_block): Update prototype.
2091 (force_nonfallthru): New.
2092 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2093 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2094 handle updating of block_for_insn, creating of empty BBs and BBs at
2095 the end of INSN chain.
2096 (create_basic_block): New function.
2097 (split_block): Use create_basic_block.
2098 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2099 (redirect_edge_and_branch_force): ... here.
2100 (force_nonfallthru): New.
2101 (split_edge): Rewrite to use force_nonfallthru and create_block.
2102 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2103 (find_basic_blocks): Free basic_block_for_insn.
2104 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2106 * cfg.c: Fix formating.
2107 * cfgcleanup.c: Fix formating.
2108 (merge_blocks, tail_recursion_label_p): Return bool.
2109 (merge_blocks_move_predecessor_nojumps,
2110 merge_blocks_move_successor_nojumps): Return void.
2112 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2114 * configure.in: Check whether assembler supports section merging.
2115 * config.in: Rebuilt.
2116 * configure: Rebuilt.
2117 * varasm.c (variable_section, output_constant_pool): Pass alignment
2118 to SELECT_SECTION and SELECT_RTX_SECTION.
2119 (mergeable_string_section): New.
2120 (mergeable_constant_section): New.
2121 (default_elf_asm_named_section): Output SECTION_MERGE and
2122 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2123 * output.h (mergeable_string_section): New.
2124 (mergeable_constant_section): New.
2125 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2126 * toplev.c (flag_merge_constants): New.
2127 (f_options): Add -fmerge-constants and -fmerge-all-constants
2129 (toplev_main): Default to -fno-merge-constants if not optimizing.
2130 * flags.h (flag_merge_constants): Add extern.
2131 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2132 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2134 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2135 Define if assembler has working .subsection -1 support.
2136 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2137 Put constant into special SHF_MERGE sections if the linker should
2138 attempt to merge duplicates.
2139 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2141 Put constant into special SHF_MERGE sections if the linker should
2142 attempt to merge duplicates.
2143 * config/alpha/elf.h: Likewise.
2144 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2145 has working .subsection -1 support.
2146 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2148 * config/svr3.h: Likewise.
2149 * config/darwin.h: Likewise.
2150 * config/arm/aof.h: Likewise.
2151 * config/arm/linux-elf.h: Likewise.
2152 * config/avr/avr.h: Likewise.
2153 * config/c4x/c4x.h: Likewise.
2154 * config/d30v/d30v.h: Likewise.
2155 * config/i386/dgux.h: Likewise.
2156 * config/i386/osfrose.h: Likewise.
2157 * config/i386/sco5.h: Likewise.
2158 * config/i386/svr3gas.h: Likewise.
2159 * config/ia64/aix.h: Likewise.
2160 * config/m32r/m32r.h: Likewise.
2161 * config/m68k/m68k.h: Likewise.
2162 * config/m88k/dgux.h: Likewise.
2163 * config/m88k/m88k.h: Likewise.
2164 * config/mcore/mcore-pe.h: Likewise.
2165 * config/mips/mips.h: Likewise.
2166 * config/pa/pa.h: Likewise.
2167 * config/pa/pa-linux.h: Likewise.
2168 * config/romp/romp.h: Likewise.
2169 * config/rs6000/sysv4.h: Likewise.
2170 * config/rs6000/xcoff.h: Likewise.
2171 * config/s390/linux.h: Likewise.
2172 * config/sparc/sparc.h: Likewise.
2173 * config/sparc/sysv4.h: Likewise.
2174 * config/stormy16/stormy16.h: Likewise.
2175 * config/v850/v850.h: Likewise.
2176 * config/vax/vms.h: Likewise.
2177 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2178 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2179 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2180 default_elf_asm_named_section for SHF_MERGE sections.
2182 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2184 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2187 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2189 * c-common.c (split_specs_attrs): Allow for empty attributes with
2190 empty TREE_PURPOSE. Fixes PR c/4294.
2192 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2194 * basic-block.h (cached_make_edge, make_single_succ): New.
2195 (make_edge): Remove first parameter.
2196 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2197 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2198 created edge; use obstack allocation.
2199 (make_edge, make_single_succ_edge): New.
2200 (first_removed_edge): New static variable.
2201 (init_flow): Initialize first_removed_edge and n_edges.
2202 (clear_edges): Use remove_edge.
2203 (flow_delete_block): Likewise.
2204 (remove_edge): Add removed edges to the removed edges list.
2205 (split_block, redirect_edge_and_branch_force, split_edge):
2207 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2208 (add_noreturn_fake_exit_edges): Likewise.
2209 (connect_infinite_loops_to_exit): Liekwise.
2210 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2211 Use cached_make_edge.
2212 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2213 * profile.c (branch_prob): Update make_edge call.
2214 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2216 2001-09-11 Richard Henderson <rth@redhat.com>
2218 * config/alpha/alpha.c: Tidy formatting.
2219 (local_symbolic_operand): Verify mode.
2220 (alpha_sa_mask): Ignore unicos for eh_return.
2221 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2222 * config/alpha/alpha.md (umk divsi patterns): Remove.
2223 (extendsfdf2): Remove unicos check.
2224 (tablejump): Merge vms and unicos code; always use direct set
2227 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2229 * config.gcc (alpha*-*-unicosmk*): New target.
2231 * config/alpha/alpha-protos.h (symbolic_operand,
2232 unicosmk_add_call_info_word, unicosmk_add_extern,
2233 unicosmk_defer_case_vector, unicosmk_unique_section,
2234 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2235 unicosmk_asm_file_start, unicosmk_asm_file_end,
2236 unicosmk_output_common): Declare.
2238 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2239 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2240 alpha_does_function_need_gp, alpha_end_function): Support Cray
2242 (alpha_init_machine_status, alpha_mark_machine_status,
2243 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2244 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2245 unicosmk_asm_named_section, unicosmk_insert_attributes,
2246 unicosmk_section_type_flags, symbolic_operand,
2247 unicosmk_output_module_name, unicosmk_output_default_externs,
2248 unicosmk_output_dex, unicosmk_output_externs,
2249 unicosmk_output_addr_vec, unicosmk_ssib_name,
2250 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2251 unicosmk_asm_file_end, unicosmk_output_common,
2252 unicosmk_section_type_flags, unicosmk_unique_section,
2253 unicosmk_add_call_info_word, unicosmk_text_section,
2254 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2255 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2256 unicosmk_dex_count, unicosmk_special_name): New.
2257 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2258 TARGET_ABI_UNICOSMK.
2259 (get_aligned_mem, alpha_expand_unaligned_load,
2260 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2261 alpha_expand_unaligned_store_words): Support big-endian mode.
2262 (print_operand): Likewise. New format specifier 't'. Use
2263 TARGET_AS_SLASH_BEFORE_SUFFIX.
2264 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2265 (alpha_pv_save_size): Update with above change.
2266 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2267 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2270 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2271 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2272 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2273 (EXTRA_CONSTRAINT): New constraint 'U'.
2274 (PREDICATE_CODES): Add symbolic_operand.
2276 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2277 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2278 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2279 (integer division and modulus patterns): Split in default and
2281 (*divmodsi_internal, *divmoddi_internal): Disable for
2282 TARGET_ABI_UNICOSMK.
2283 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2284 little-endian and big-endian versions.
2285 (ext, ins, msk): Likewise.
2286 (extv, extzv, insv): Support big-endian mode.
2287 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2288 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2289 *tablejump_umk_internal, *call_value_umk): New.
2290 (*movdi_nofix): Add pattern for loading an address into a register on
2291 TARGET_ABI_UNICOSMK.
2292 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2293 (umk_mismatch_args, arg_home_umk): New.
2294 (various insns): Don't use mov, fmov, nop, fnop and unop.
2295 (realign): Support TARGET_ABI_UNICOSMK.
2297 * config/alpha/unicosmk.h: New file.
2298 * config/alpha/t-unicosmk: New file.
2300 * fixinc/inclhack.def (unicosmk_restrict): New.
2301 * fixinc/fixincl.x: Regenerate.
2303 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2304 (wchar_t): Check for and define __WCHAR_T__.
2306 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2308 * combine.c (simplify_shift_const): Treat shifts by the mode
2311 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2313 * cpphash.h (struct tokenrun): New.
2314 (struct cpp_context): New member bol.
2315 (struct cpp_reader): New members.
2316 (_cpp_init_tokenrun): New.
2317 * cppinit.c (cpp_create_reader): Set up the token runs.
2318 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2319 (lex_token): New internalised version of _cpp_lex_token. Don't
2320 handle directives or the multiple include opimisation here any
2321 more. Simply lex a token.
2322 * cpplib.c (run_directive): Clear bol.
2323 (_cpp_pop_buffer): Set bol.
2324 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2327 2001-09-11 Michael Meissner <meissner@redhat.com>
2329 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2330 give an error if the user uses -mfp32.
2331 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2333 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2334 floating point register size.
2335 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2337 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2338 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2340 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2341 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2343 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2345 * dbxout.c (dbxout_parms): Fix typo in comment.
2346 * unroll.c (loop_find_equiv_value): Ditto.
2347 * toplev.c (rest_of_compilation): Ditto.
2348 * loop.c (scan_loop): Ditto.
2349 * dwarf2out.c (struct dw_fde_struct): Ditto.
2351 2001-09-10 Zack Weinberg <zackw@panix.com>
2353 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2354 copying identifier when we're just going to throw it away.
2355 (parse_identifier_slow): New routine to handle abnormal cases.
2356 (_cpp_lex_token): Update call site.
2358 * hashtable.c (ht_lookup): Don't assume that the string we've
2359 been given is NUL-terminated.
2360 * system.h: #define __builtin_expect(a, b) to (a) if not
2363 2001-09-10 Michael Meissner <meissner@redhat.com>
2365 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2368 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2370 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2372 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2374 * builtins.c (c_getstr): Correct thinko in last change and further
2377 2001-09-10 Tim Freeman <tim@fungibole.com>
2379 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2380 into varray's and register them as roots with the garbage
2381 collector so they are not collected too soon.
2383 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2385 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2387 * basic-block.h (flow_obstack, label_value_list,
2388 tail_recursion_label_list): Declare
2389 (tidy_fallthru_edges): Declare.
2390 (expunge_block, last_loop_beg_note): Delete.
2391 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2393 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2394 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2395 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2396 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2397 expunge_block, flow_delete_block, compute_bb_for_insn,
2398 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2399 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2400 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2401 try_redirect_by_replacing_jump, last_loop_beg_note,
2402 redirect_edge_and_branch, redirect_edge_and_branch_force,
2403 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2404 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2405 commit_edge_insertions, dump_flow_info, debug_flow_info,
2406 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2407 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2408 Move here from flow.c
2409 * cfganal.c: New file.
2410 (forwarder_block_p, can_fallthru, mark_critical_edges,
2411 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2412 find_unreachable_blocks, create_edge_list, free_edge_list,
2413 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2414 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2415 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2416 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2417 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2418 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2419 Move here from flow.c
2420 * cfgbuild.c: New file
2421 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2422 make_edges, find_basic_blocks_1, find_basic_blocks,
2423 find_sub_basic_blocks): Move here from flow.c
2424 * cfgcleanup.c: New file.
2425 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2426 merge_blocks_move_predecessor_nojumps,
2427 merge_blocks_move_successor_nojumps, merge_blocks,
2428 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2429 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2430 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2432 * cfgloop.c: New file
2433 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2434 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2435 flow_loop_exit_edges_find, flow_loop_nodes_find,
2436 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2437 flow_loop_tree_node_add, flow_loops_tree_build,
2438 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2439 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2440 Move here from flow.c
2441 * flow.c: Remove everything moved elsewhere
2442 * output.h (cleanup_cfg): Return bool.
2444 * bb-reorder.c (reorder_block_def): Remove 'index'.
2445 (insert_intra_1): Add argument BB, set block for new note.
2446 (make_reorder_chain): Do not depdent on BB indexes.
2447 (make_reorder_chain_1): Do not use BB indexes.
2448 (label_for_bb): Likewise; set BB for new insn.
2449 (emit_jump_to_block_after): Likewise.
2450 (fixup_reoder_chain): Sanity check that all basic blocks
2451 are chained; verify newly created insn chain; remove
2452 undocnitional jump simplifying; Do not use BB indexes;
2453 properly initialize count and frequency information;
2454 dump reordered sequence.
2455 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2456 (insert_inter_bb_scope_notes): Set block for new insn.
2457 (reorder_basic_blocks): Dump flow info before reoredering.
2459 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2461 * alias.c (clear_reg_alias_info): Use K&R format definition.
2462 Avoid unsigned warning.
2463 * builtins.c: Use "unsigned int", not "unsigned".
2464 (target_char_cast): Use host_integerp and tree_low_cst.
2465 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2466 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2467 (c_getstr): Likewise.
2468 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2469 (builtin_memcpy_read_str): Avoid unsigned warning.
2470 (expand_builtin_memcpy): Alignments are unsigned.
2471 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2472 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2473 * predict.c (expensive_function_p): LIMIT now unsigned.
2474 * resource.c (mark_target_live_regs): Make some vars unsigned.
2475 * sdbout.c: Use "unsigned int", not "unsigned".
2476 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2477 (sdbout_source_line): Likewise.
2478 (sdbout_record_type_name): Remove "const" for NAME declaration.
2479 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2481 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2483 * calls.c (store_one_arg): Expand comment.
2485 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2487 * calls.c (store_one_arg): Make sure that the entire argument is
2488 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2490 2001-09-09 Richard Henderson <rth@redhat.com>
2492 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2494 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2496 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2498 2001-09-09 Richard Henderson <rth@redhat.com>
2500 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2501 (alpha_this_literal_sequence_number): New.
2502 (alpha_this_gpdisp_sequence_number): New.
2503 (some_operand, input_operand): Add HIGH.
2504 (local_symbolic_operand): New.
2505 (alpha_encode_section_info): New.
2506 (alpha_legitimate_address_p): Allow LO_SUM.
2507 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2508 (alpha_expand_mov): Likewise.
2509 (secondary_reload_class): Check memory_operand not general_operand
2511 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2512 (alpha_expand_unaligned_store): Likewise.
2513 (alpha_expand_unaligned_load_words): Likewise.
2514 (alpha_expand_unaligned_store_words): Likewise.
2515 (alpha_expand_block_clear): Likewise.
2516 (print_operand): Handle %#, %*, %H.
2517 (print_operand_address): Handle LO_SUM.
2519 (alpha_does_function_need_gp): Use it.
2520 (alpha_expand_block_move): Fix signed compare warnings.
2521 (alpha_sa_mask, alpha_align_insns): Likewise.
2522 * config/alpha/alpha-protos.h: Update.
2523 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2524 (MASK_EXPLICIT_RELOCS): New.
2525 (TARGET_SWITCHES): Add -mexplicit-relocs.
2526 (EXTRA_CONSTRAINT): Add 'T'.
2527 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2528 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2529 (ENCODE_SECTION_INFO): Out line.
2530 (REDO_SECTION_INFO_P): New.
2531 (STRIP_NAME_ENCODING): New.
2532 (ASM_OUTPUT_LABELREF): New.
2533 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2534 (PREDICATE_CODES): Update.
2535 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2536 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2537 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2538 builtin_setjmp_receiver_er, exception_receiver_1_er,
2539 call_value_osf_1_er): New patterns.
2540 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2541 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2542 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2543 (FINAL_PRESCAN_INSN): New.
2545 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2547 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2549 2001-09-08 Andreas Jaeger <aj@suse.de>
2551 * i386.h (TARGET_SWITCHES): Fix description.
2553 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2555 * rs6000.c (num_insns_constant): Compute number of instructions
2558 * doc/install.texi: Explain AIX exception handling work-around.
2559 Update URL for AIX fixes.
2561 2001-09-07 Jim Wilson <wilson@redhat.com>
2563 * alias.c (clear_reg_alias_info): New.
2564 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2565 * rtl.h (clear_reg_alias_info): Declare.
2567 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2569 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2571 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2572 (m16m,edivm,emulm): Change declaration to match definition.
2574 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2576 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2577 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2580 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2582 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2583 which have no corresponding C type.
2584 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2585 the representation of 64-bit doubles to work with 64-bit ints.
2587 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2589 * config/mips/mips.c (override_options): Do not override ISA when ABI
2590 specified if MIPS_CPU_STRING_DEFAULT was specified.
2592 2001-09-07 Richard Henderson <rth@redhat.com>
2594 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2595 (express_from_1): Wrap lines.
2596 * rtlanal.c (commutative_operand_precedence): Rename from
2597 operand_preference; export.
2598 * rtl.h: Declare it.
2599 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2600 (simplify_binary_operation): Invoke simplify_plus_minus on
2601 (CONST (PLUS ...)) as well.
2602 (struct simplify_plus_minus_op_data): New.
2603 (simplify_plus_minus_op_data_cmp): New.
2604 (simplify_plus_minus): Use them. Avoid infinite recursion with
2605 simplify_binary_operation wrt CONST.
2607 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2609 * h8300-protos.h (general_operand_dst_push): Remove.
2610 * h8300.c (general_operand_dst_push): Likewise.
2611 * h8300.h (OK_FOR_T): Likewise.
2612 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2613 * h8300.md (pushqi_h8300): New.
2614 (pushqi_h8300hs): Likewise.
2616 (pushhi_h8300): Likewise.
2617 (pushhi_h8300hs): Likewise.
2620 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2622 * genattrtab.c (attr_printf): First arg is unsigned.
2623 Clean up formatting of callers.
2625 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2627 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2630 2001-09-07 Andreas Jaeger <aj@suse.de>
2632 * i386.h (TARGET_SWITCHES): Fix descriptions.
2634 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2636 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2638 2001-09-06 Ira Ruben <ira@apple.com>
2640 Remove OP_IDENTIFIER.
2641 * tree.def (OP_IDENTIFIER): Remove.
2642 * tree.c (tree_node_kind enum): Remove op_id_kind.
2643 (tree_node_kind_names): Remove "op_identifiers".
2644 (make_node): Remove OP_IDENTIFIER test.
2645 (build_op_identifier): Removed because it isn't being used.
2646 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2647 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2649 2001-09-06 Richard Henderson <rth@redhat.com>
2651 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2653 2001-09-06 Richard Henderson <rth@redhat.com>
2655 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2658 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2660 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2661 number used for CR register.
2663 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2664 Joern Rennecke (amylaar@cygnus.com)
2666 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2667 * h8300.c (initial_offset): Handle offset between RP and FP.
2668 (h8300_return_addr_rtx): New function.
2669 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2671 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2672 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2673 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2674 (CAN_ELIMINATE, REGISTER_NAMES):
2675 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2677 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2679 Remove TYPE_NONCOPIED_PARTS.
2680 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2681 (struct tree_type): Remove noncopied_parts.
2682 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2683 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2684 (fixed_type_p): Remove.
2685 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2686 (expand_expr, MODIFY_EXPR): Likewise.
2687 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2688 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2690 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2692 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2694 (mask64_operand): Likewise.
2695 (includes_rldic_lshift_p): Likewise.
2696 (includes_rldicr_lshift_p): Likewise.
2698 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2700 * objc/objc-act.c (build_message_expr): If a class method cannot
2701 be found, do not issue a warning if a corresponding instance
2702 method exists in the root class.
2704 2001-09-05 Richard Henderson <rth@redhat.com>
2706 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2708 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2710 * function.c (ggc_mark_struct_function): Mark f->outer.
2711 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2712 * integrate.c (output_inline_function): ... not here.
2714 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2716 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2718 * i386.c (size_cost): New static variable.
2719 (override_function): Use size_cost when -Os is specified.
2721 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2722 properly; Use current_function_calls_eh_return.
2723 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2724 use leave to avoid depdendancy chain.
2726 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2727 get BB loop_depth instead of computing it from LOOP notes.
2729 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2731 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2733 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2734 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2735 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2737 2001-09-05 Jeffrey A Law (law@cygnus.com)
2738 Jason Merrill (jason@redhat.com)
2740 * stor-layout.c (layout_type): Complain if an array's size can
2741 not be represented in a size_t.
2743 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2745 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2747 * gcc.c: (process_command) Add parentheses around assignment
2748 used as truth value.
2750 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2752 * config/mips/mips.c (save_restore_insns): Don't mark any register
2753 save slots as unchanging if current_function_calls_eh_return.
2755 2001-09-05 Richard Henderson <rth@redhat.com>
2757 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2758 * config/alpha/alpha-protos.h: Declare it.
2759 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2760 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2761 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2762 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2763 (REG_OK_FOR_BASE_P): Select one of the above.
2765 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2767 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2768 (crti.o): Prefix name of object file with $(T).
2771 2001-09-05 David S. Miller <davem@redhat.com>
2773 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2774 * config/sparc/linux64.h: Likewise.
2776 2001-09-05 Andreas Jaeger <aj@suse.de>
2778 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2779 available anymore, remove the documentation.
2780 (i386 Options): Fix typo, cleanup index entries.
2782 * prefix.c (concat): Remove, we can use the version from liberty.
2784 2001-09-05 Richard Henderson <rth@redhat.com>
2786 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2787 New functions split out of md file expanders.
2788 * config/alpha/alpha-protos.h: Declare them.
2789 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2791 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2793 * cppmacro.c (funlike_invocation_p): No need to restore context.
2795 2001-09-04 Richard Henderson <rth@redhat.com>
2797 * reload.c (push_reload): Export.
2798 * reload.h (push_reload): Declare it.
2800 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2801 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2802 * config/alpha/alpha.c (alpha_legitimize_address): New.
2803 (alpha_legitimize_reload_address): Likewise.
2804 * config/alpha/alpha-protos.h: Declare them.
2806 2001-09-04 Stan Shebs <shebs@apple.com>
2808 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2809 * config/darwin.c (machopic_stub_name): Account for internally
2810 generated lib calls such as memcpy.
2812 2001-09-04 Richard Henderson <rth@redhat.com>
2814 * unwind.h (_UA_END_OF_STACK): New flag.
2815 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2817 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2819 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2821 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2823 * config/mips/mips.c (save_restore_insns): Change base_offset to
2824 fp_offset in second call to mips_emit_frame_related_store.
2826 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2828 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2829 sometimes be represented as a NOTE of type
2830 NOTE_INSN_DELETED_LABEL.
2831 (Insns): Document NOTE_INSN_DELETED_LABEL.
2833 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2835 * c-common.h (tree_dump_index): Add more comments.
2836 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2837 (dump_option_value_info): New struct.
2838 (dump_options): New array.
2839 (dump_switch_p): Parse switch options symbolically.
2840 * doc/invoke.texi (-fdump-ast): Rename to ...
2841 (-fdump-tree): ... here. Document that options are symbolic, and
2842 not all are applicable.
2844 2001-09-04 David S. Miller <davem@redhat.com>
2846 * config/sparc/sparc.md (define_splits): Kill constraints.
2848 Cleanup redundant and unused insn attributes.
2849 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2850 binary, and move. Mark ialu as default.
2851 (commented out define_function_unit "alu"): Kill.
2852 (define_attr "use_clobbered"): Kill.
2853 (whole file): Kill address insn type references. Replace
2854 all unary/binary/move references with ialu.
2855 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2856 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2859 Simplify length insn attribute and make more judicious use
2860 of insn attribute defaulting.
2861 * config/sparc/sparc.md (all insns with length > one): Mark as
2862 insn type multi if real instructions, else use default if
2863 it is a forced splitter.
2864 (all insns with length == one): Use default insn length.
2865 (all insns of type ialu): Use default insn type.
2867 Fix erroneous insn attribute settings.
2868 (addx): Set insn type to misc.
2869 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2870 const_umulsidi3_sp64): Set insn type to imul.
2872 Track SFmode vs DFmode insns according to UltraSPARC
2874 * config/sparc/sparc.md ("fptype"): New attribute, default
2876 (all DFmode single insns): Mark as fptype "double".
2878 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2880 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2882 2001-09-03 Richard Henderson <rth@redhat.com>
2884 * function.h (struct function): Add arg_pointer_save_area_init.
2885 * function.c (expand_function_end): Init arg_pointer_save_area.
2886 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2887 when called from a nested function.
2889 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2891 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2894 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2896 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2898 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2900 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2901 (emit_push_insn): Use specified padding direction when
2902 STACK_PUSH_CODE is POST_INC.
2904 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2906 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2908 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2910 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2912 * cppinit.c (cpp_start_read): Free the imacros list as we
2913 traverse it. Don't free the chains before returning.
2914 (_cpp_push_next_buffer): Only try pushing buffers if we've
2915 completed -imacros handling.
2917 2001-08-31 Eric Christopher <echristo@redhat.com>
2919 * gcc.c (handle_braces): Add explaination for abort.
2921 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2923 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2924 move adjustment of bitpos instead.
2926 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2928 * function.c: Remove all_functions. Make outer_function_chain
2930 (init_function_start): Don't add new function structure to
2932 (find_function_data, push_function_context_to,
2933 pop_function_context_from, put_var_into_stack,
2934 trampoline_address): Update for changed structure element names.
2935 (push_function_context_to): Disentangle.
2936 (free_after_compilation): Also free F.
2937 (expand_dummy_function_end): Don't free cfun here.
2938 (put_var_into_stack): Comment why we can't use find_function_data here.
2939 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2940 (mark_function_chain): Split into maybe_mark_struct_function and
2941 ggc_mark_struct_function. Export the latter.
2942 (init_function_once): Mark from cfun and outer_function_chain;
2945 * function.h (struct function): Kill next_global. Rename next
2946 to outer. All users updated to match.
2947 (all_functions, outer_function_chain): Don't declare.
2949 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2950 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2951 don't touch f->inlinable, after calling rest_of_compilation.
2953 * tree.h: Forward-declare struct function. Prototype
2954 ggc_mark_struct_function.
2956 2001-08-31 Kazu Hirata <kazu@hxi.com>
2958 * config/h8300/h8300.md (*andorhi3): Fix typos.
2960 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2962 * calls.c (emit_library_call_value): Don't use a fixed
2963 argument after VA_CLOSE, i.e. out of scope in traditional C.
2965 * emit-rtl.c (gen_rtvec): Likewise.
2967 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2969 * Makefile.in (c-pragma.o): Depend on output.h.
2970 (reorg.o): Depend on except.h.
2972 * c-pragma.c: Include output.h.
2974 * reorg.c: Include except.h.
2976 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2978 2001-08-31 Richard Henderson <rth@redhat.com>
2980 * sched-deps.c (add_dependence): Don't elide dependancy if the
2981 conditional used by insn is modified in elem.
2983 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2985 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2987 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2989 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2992 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2994 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2996 (stormy16_asm_out_constructor): New function.
2997 (TARGET_ASM_CONSTRUCTOR): Define.
2998 (TARGET_ASM_DESTRUCTOR): Define.
3000 2001-08-31 Andreas Jaeger <aj@suse.de>
3002 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
3003 * loop.c (add_label_notes): Likewise.
3004 * reload.c (find_reloads): Likewise.
3005 * config/sh/sh.c (machine_dependent_reorg): Likewise.
3007 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
3009 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
3010 code here. Take _Unwind_{W,Sw}ord*.
3011 (read_encoded_value_with_base): Use them.
3012 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
3014 (extract_cie_info): Simplify read_?leb128 handling.
3015 (execute_stack_op, execute_cfa_program): Likewise.
3016 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
3018 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3020 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
3021 the frame pointer to pop the stack if convenient.
3023 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
3024 Don't use post-increment before combine.
3025 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3026 a call-saved register.
3028 2001-08-31 Andreas Jaeger <aj@suse.de>
3030 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3033 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3035 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3036 not DIV/MOD, of course.
3038 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3040 * rtl.def: Undo my patch commited 2001-08-27.
3042 * genattrtab.c: Ditto.
3046 * sched-int.h: Ditto.
3048 * target-def.h: Ditto.
3052 * haifa-sched.c: Ditto.
3054 * sched-rgn.c: Ditto.
3056 * sched-vis.c: Ditto.
3058 * Makefile.in: Ditto.
3060 * doc/md.texi: Ditto.
3062 * doc/tm.texi: Ditto.
3064 * doc/contrib.texi: Ditto.
3066 * doc/gcc.texi: Ditto.
3068 * genattrtab.h: Remove it.
3070 * genautomata.c: Remove it.
3072 * genattr.c: Undo my patch and Richard Henderson's patch commited
3075 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3077 * config.gcc (h8300-*-elf*): New case.
3078 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3079 (SUBTARGET_CPP_SPEC): Define.
3080 (EXTRA_SPECS): Define.
3081 (SUBTARGET_EXTRA_SPECS): Define.
3082 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3083 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3085 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3087 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3088 (LIB2FUNCS_EXTRA): Define.
3089 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3090 config/h8300/fixunssfsi.c: New file.
3092 2001-08-30 Kazu Hirata <kazu@hxi.com>
3094 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3095 define_expand to accomodate target-specific attributes.
3096 (anonymous zero_extendqihi2 patterns): New.
3098 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3100 * h8300.md (*andorhi3): New pattern.
3102 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3104 * h8300.c (dosize): Fix test for "sub".
3106 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3108 * c-typeck.c (pointer_diff): Try to eliminate common term before
3111 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3113 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3114 Account for the saves of the FP registers.
3116 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3117 (TEXT_SECTION_ASM_OP): Define.
3118 (INIT_SECTION_ASM_OP): Define.
3119 (FINI_SECTION_ASM_OP): Define.
3120 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3121 (RDATA_SECTION_FUNCITON): Provide prototype.
3123 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3125 * reload1.c (move2add_note_store): Correct typo checking for
3128 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3130 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3131 note should not be considered outside the libcall block.
3133 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3135 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3137 2001-08-29 Kazu Hirata <kazu@hxi.com>
3139 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3141 2001-08-29 Kazu Hirata <kazu@hxi.com>
3143 * config/h8300/h8300-protos.h: Add a prototype for
3145 * config/h8300/h8300.c (emit_logical_op): New.
3146 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3153 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3155 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3156 comparison with rtx INTVAL.
3157 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3159 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3161 2001-08-29 Kazu Hirata <kazu@hxi.com>
3163 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3166 2001-08-29 Kazu Hirata <kazu@hxi.com>
3168 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3169 (reg n) to (mem (pre_dec (reg n))
3170 (anonymous movsi pattern): Likewise.
3172 2001-08-29 Kazu Hirata <kazu@hxi.com>
3174 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3176 2001-08-29 Kazu Hirata <kazu@hxi.com>
3178 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3179 several special constants.
3181 2001-08-29 Kazu Hirata <kazu@hxi.com>
3183 * config/h8300/lib1funcs.asm: Fix comment typos.
3185 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3187 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3188 Fix format specifier warnings.
3190 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3191 inet_makeaddr, semctl): Prototype.
3193 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3194 (save_restore_insns): Use base_offset, not gp_offset.
3196 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3197 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3199 2001-08-29 Richard Henderson <rth@redhat.com>
3201 * bb-reorder.c (function_tail_eff_head): New.
3202 (record_effective_endpoints): Set it.
3203 (fixup_reorder_chain): Use it.
3205 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3207 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3209 2001-08-28 Dale Johannesen <dalej@apple.com>
3211 * config/darwin.c (machopic_function_base_name): Add const
3212 qualifier to a string.
3213 (darwin_encode_section_info): Ditto.
3215 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3217 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3218 function definition.
3220 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3222 * df.h (struct df): Add rts_order variable.
3224 * df.c (df_visit_next_rts): New function.
3225 (df_visit_next): Renamed to df_visit_next_rc
3226 (df_analyse_1): Allocate/compute/free rts_order as well.
3227 (df_rd_global_compute): Use df_visit_next_rc instead of
3229 (df_ru_global_compute): Use df_visit_next_rts instead of
3232 * flow.c (flow_reverse_top_sort_order_compute): New function.
3234 * basic-block.h: Add prototype.
3236 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3238 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3239 blocks, the BB_REACHABLE is now set, rather than aux being
3240 non-NULL. Update the test to reflect this.
3242 2001-08-28 Eric Christopher <echristo@redhat.com>
3244 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3245 config/mips/crti.asm: Ditto.
3247 2001-08-28 Eric Christopher <echristo@redhat.com>
3248 Richard Henderson <rth@redhat.com>
3250 * c-pragma.h (add_weak): Move prototype from here...
3251 * output.h (add_weak): ... to here.
3252 * varasm.c (add_weak): Fix typo.
3253 * config/mips/crti.asm: New file.
3254 * config/mips/crtn.asm: Ditto.
3255 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3256 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3257 (INVOKE__main): Ditto.
3258 (INIT_SECTION_ASM_OP): New.
3259 (FINI_SECTION_ASM_OP): Ditto.
3260 (STARTFILE_SPEC): Add crti.
3261 (ENDFILE_SPEC): Add crtn.
3262 * config/mips/elf64.h: Same.
3263 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3265 * config/mips/vxworks.h: Ditto.
3266 * config/mips/t-elf: Support crti and crtn.
3268 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3270 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3273 2001-08-28 Richard Henderson <rth@redhat.com>
3275 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3276 (one_cmplbi2 splitter): Remove redundant test.
3278 2001-08-28 Dale Johannesen <dalej@apple.com>
3280 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3282 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3284 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3286 2001-08-28 Stan Shebs <shebs@apple.com>
3288 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3289 (UNALIGNED_SHORT_ASM_OP): Define.
3290 (UNALIGNED_INT_ASM_OP): Define.
3292 2001-08-28 Will Cohen <wcohen@redhat.com>
3294 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3295 generation for first set.
3297 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3299 * flow.c (redirect_edge_succ_nodup): Return new edge.
3300 (try_simplify_condjump): Use new edge.
3301 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3303 * cse.c (cse_basic_block): Skip note instructions.
3305 2001-08-27 Richard Henderson <rth@redhat.com>
3307 * combine.c (combine_simplify_rtx): Don't reverse condition
3308 if there is no reverse for the condition.
3309 (simplify_comparison): Don't simplify subregs from INT to FP.
3311 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3312 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3313 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3314 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3315 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3316 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3318 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3320 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3321 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3323 (adddi_dilshr32, adddi_dishl32): Only data register can be
3324 source for mem destination.
3326 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3327 and use bitnum to decide about register move.
3329 2001-08-27 Richard Henderson <rth@redhat.com>
3331 * genattr.c (main): Emit state_t even when not doing scheduling.
3333 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3334 Richard Henderson <rth@redhat.com>
3336 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3337 (reg_avail_info, current_bb): ... these.
3338 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3339 (compute_hash_table): Likewise.
3341 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3343 * flow.c (verify_flow_info): Use checksums to verify edges.
3345 2001-08-27 Richard Henderson <rth@redhat.com>
3347 * genautomata.c (expand_automata): Always create a description.
3349 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3351 * optabs.c (expand_binop): Correctly handle the carry in multiword
3352 add/subtract operations.
3354 2001-08-27 Fred Fish <fnf@be.com>
3356 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3359 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3361 * reload.c (find_reloads_toplev): Back out this change:
3363 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3365 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3366 mem if the address is a mode_dependent_address_p.
3368 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3370 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3371 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3372 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3375 * genattr.c (main): New variable num_insn_reservations. Increase
3376 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3377 pipeline hazard recognizer interface.
3379 * genattrtab.h: New file.
3381 * genattrtab.c: Include genattrtab.h.
3382 (attr_printf, check_attr_test, make_internal_attr,
3383 make_numeric_value): Move protypes into genattrtab.h. Define them
3385 (num_dfa_decls): New global variable.
3386 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3387 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3388 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3389 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3391 * genautomata.c: New file.
3393 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3395 * sched-int.h: (curr_state): Add the external definition for
3396 automaton pipeline interface.
3397 (haifa_insn_data): Add comments for members blockage and units.
3399 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3400 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3401 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3402 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3403 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3404 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3405 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3407 (TARGET_SCHED): Use the new macros.
3409 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3410 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3411 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3412 dfa_bubble): New members in gcc_target.sched.
3414 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3415 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3416 (insn_queue): Redefine it as pointer to array.
3417 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3419 (max_insn_queue_index_macro_value): New variable.
3420 (curr_state, dfa_state_size, ready_try): New varaibles for
3421 automaton interface.
3422 (ready_element, ready_remove, max_issue): New function prototypes
3423 for automaton interface.
3424 (choose_ready): New function prototype.
3425 (insn_unit, blockage_range): Add comments.
3426 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3427 FUNCTION_UNITS_SIZE == 0.
3428 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3429 actual_hazard, potential_hazard): Add comments.
3430 (insn_cost): Use cost -1 as undefined value. Remove
3431 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3433 (ready_element, ready_remove): New functions for automaton
3435 (schedule_insn): Add new code for automaton pipeline interface.
3436 (queue_to_ready): Add new code for automaton pipeline interface.
3437 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3438 (debug_ready_list): Print newline when the queue is empty.
3439 (max_issue): New function for automaton pipeline interface.
3440 (choose_ready): New function.
3441 (schedule_block): Add new code for automaton pipeline interface.
3442 Print ready list before scheduling each insn.
3443 (sched_init): Add new code for automaton pipeline interface.
3444 Initiate insn cost by -1.
3445 (sched_finish): Free the current automaton state and finalize
3446 automaton pipeline interface.
3448 * sched-rgn.c: Include target.h.
3449 (init_ready_list, new_ready, debug_dependencies): Add new code for
3450 automaton pipeline interface.
3452 * sched-vis.c: Include target.h.
3453 (get_visual_tbl_length): Add code for automaton interface.
3454 (target_units, print_block_visualization): Add comments.
3456 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3457 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3458 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3459 (getruntime.o, genautomata.o): New entries.
3460 (genattrtab.o): Add new dependency file genattrtab.h.
3461 (genattrtab): Add new dependencies. Link it with `libm.a'.
3462 (getruntime.o, hashtab.o): New entries for canadian cross.
3464 * doc/md.texi: Description of automaton based model.
3466 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3468 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3469 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3470 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3471 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3472 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3473 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3474 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3476 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3477 MAX_DFA_ISSUE_RATE): New macro descriptions.
3479 * doc/contrib.texi: Add dfa based scheduler contribution.
3481 * doc/gcc.texi: Add more information about genattrtab.
3483 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3485 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3488 2001-08-27 Richard Henderson <rth@redhat.com>
3490 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3491 (get_arg_pointer_save_area): New. Create an init it here.
3492 (fix_lexical_addr): Use it.
3493 * function.h: Declare it.
3494 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3495 * stmt.c (expand_nl_goto_receiver): Use it.
3497 2001-08-27 Richard Henderson <rth@redhat.com>
3499 * final.c (final_scan_insn): Don't enter APP_ON mode for
3502 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3503 alignment for assemble_integer for DW_EH_PE_aligned.
3504 * except.c (output_function_exception_table): Likewise.
3506 2001-08-26 Andreas Jaeger <aj@suse.de>
3508 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3510 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3512 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3514 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3516 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3518 (mask64_operand): Likewise.
3519 (rldic_operand): Delete.
3520 (includes_lshift64_p): Delete.
3521 (includes_rldic_lshift_p): New function.
3522 (includes_rldicr_lshift_p): New function.
3523 (print_operand): Don't call rldic_operand in case 'W'.
3524 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3525 (includes_lshift64_p): Remove.
3526 (includes_rldic_lshift_p): Declare.
3527 (includes_rldicr_lshift_p): Declare.
3528 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3529 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3530 Replace match_operand rldic_operand predicate with
3531 const_int_operand. Replace includes_lshift64_p condition with
3532 includes_rldic_lshift_p.
3533 <ashldi3_internal 64 bit rldicr patterns>: New.
3535 2001-08-27 Andreas Jaeger <aj@suse.de>
3537 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3538 * errors.c: Likewise.
3539 * final.c: Likewise.
3540 * dwarf2asm.c: Likewise.
3541 * doprint.c (checkit): Likewise.
3542 * diagnostic.c: Likewise.
3543 * collect2.c: Likewise.
3544 * calls.c: Likewise.
3545 * c-semantics.c (build_stmt): Likewise.
3546 * c-format.c (status_warning): Likewise.
3547 * c-errors.c (pedwarn_c99): Likewise.
3548 * builtins.c (validate_arglist): Likewise.
3549 * config/pj/pj.c (pj_printf): Likewise.
3550 * fix-header.c: Likewise.
3552 * gcov.c (fnotice): Likewise.
3553 * gensupport.c (message_with_line): Likewise.
3554 * mips-tfile.c: Likewise.
3555 * protoize.c (notice): Likewise.
3556 * read-rtl.c (fatal_with_file_and_line): Likewise.
3557 * rtl-error.c: Likewise.
3558 * tradcpp.c: Likewise.
3560 * cp/tree.c (build_min_nt): Likewise.
3561 (build_min): Likewise.
3562 * cp/lex.c: Likewise.
3563 * cp/errfn.c: Likewise.
3564 * cp/rtti.c (create_pseudo_type_info): Likewise.
3566 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3568 * df.c (df_uses_record): Return after recording all uses
3571 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3573 * df.c (df_insn_modify): Realloc the INSN table here, if
3574 necessary, here, too.
3576 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3578 * config/mips/mips.c (mips_function_value): Handle complex return
3581 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3583 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3585 * reload.c (make_memloc): Copy result if it is still
3586 reg_equiv_memory_loc[regno] on return.
3587 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3588 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3589 reg_equiv_mem are modified by the substitutions.
3591 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3593 * predict.c (expensive_function_p): New.
3594 * rtl.h (expensive_function_p): Declare.
3595 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3596 (use_fast_prologue_epilogue): New static variable.
3597 (expand_prologue): Set it; emit short prologues if unset.
3598 (expand_epilogue): Likewise.
3600 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3602 * config.gcc: Add stormy16-*-elf case.
3603 * config/stormy16/stormy-abi: New file.
3604 * config/stormy16/stormy16-lib2.c: New file.
3605 * config/stormy16/stormy16-protos.h: New file.
3606 * config/stormy16/stormy16.c: New file.
3607 * config/stormy16/stormy16.h: New file.
3608 * config/stormy16/stormy16.md: New file.
3609 * config/stormy16/t-stormy16: New file.
3611 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3613 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3615 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3617 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3618 descriptor members are pointer size, not constant 4.
3619 * config/rs6000/rs6000.md (define_splits): Remove more unused
3622 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3624 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3626 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3628 * cp/rtti.c (VPARAMS): Fix parameter.
3630 2001-08-24 Zack Weinberg <zackw@panix.com>
3632 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3634 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3636 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3637 in if controlling use of insv.
3638 (extract_bit_field): Likewise, for extv and extzv.
3640 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3642 * i386.md (movcc peep2): Fix load of 0.
3644 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3646 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3647 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3649 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3651 * c-pragma.h: Move weak_syms and weak_decls...
3652 * varasm.c: ...here. Now static.
3653 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3654 depend on HANDLE_PRAGMA_WEAK.
3656 * c-common.c (c_alignof, c_alignof_expr): Move here...
3657 * c-typeck.c: ...from here.
3658 * c-tree.h, c-common.h: Adjust.
3660 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3662 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3663 instead of incrementing it.
3665 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3666 asm ready, don't try to move them all into the same array element.
3668 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3670 * function.c (thread_prologue_and_epilogue_insns): Avoid
3671 fallthru flag on edge to exit.
3673 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3675 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3678 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3680 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3681 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3682 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3685 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3687 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3688 replace "GNU CC" with "GCC".
3690 2001-08-23 Richard Henderson <rth@redhat.com>
3692 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3693 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3694 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3695 Need GR between FR and not GR_AND_FR.
3696 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3697 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3698 AR regs before GR regs.
3699 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3700 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3701 (REGISTER_MOVE_COST): Update.
3702 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3704 2001-08-23 Richard Henderson <rth@redhat.com>
3706 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3709 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3711 * reload1.c (emit_reload_insns): Don't look for notes
3712 on a NULL store_insn.
3714 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3716 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3717 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3718 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3719 format specifier warnings.
3720 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3722 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3724 * config/i386/i386-protos.h: Correct declaration of
3725 i386_pe_asm_named_section.
3727 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3729 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3731 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3733 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3735 * cpperror.c (print_location): Don't show _Pragma.
3736 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3737 and file change callback generation here.
3738 (stack_include_file): Update use of cpp_push_buffer.
3739 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3740 (struct cpp_buffer): Remove type, pfile members.
3741 * cppinit.c (cpp_handle_option): Use free_chain.
3742 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3743 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3744 a cpp_reader rather than a cpp_buffer.
3745 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3746 skip_line_comment, parse_string, lex_percent, lex_dot,
3747 _cpp_lex_token): Update accordingly.
3748 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3750 (cpp_push_buffer): Update prototype.
3751 (run_directive): Update use of cpp_push_buffer.
3752 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3753 handle_assertion): Update use of run_directive.
3754 * cpplib.h (enum cpp_buffer_type): Remove.
3755 (cpp_push_buffer): Update prototype.
3756 * fix-header.c (read_scan_file): Update.
3758 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3760 * gcc.c (struct prefix_list): Change prefix to const char *.
3762 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3764 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3766 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3768 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3771 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3774 * ifcvt.c (dead_or_predicable): Adjust.
3775 * loop.c (find_and_verify_loops): Adjust.
3776 * stmt.c (expand_end_case): Adjust.
3777 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3778 head and end insn pointers in the basic block, not just local copies.
3779 (merge_blocks_move_predecessor_nojumps): Likewise.
3781 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3783 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3784 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3785 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3786 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3787 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3788 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3789 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3790 conditions.h, config.gcc, configure.frag, configure.in,
3791 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3792 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3793 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3794 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3795 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3796 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3797 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3798 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3799 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3800 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3801 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3802 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3803 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3804 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3805 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3806 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3807 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3808 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3809 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3810 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3811 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3812 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3813 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3814 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3815 params.h, predict.c, predict.def, predict.h, prefix.c,
3816 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3817 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3818 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3819 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3820 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3821 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3822 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3823 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3824 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3825 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3826 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3827 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3828 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3829 xcoffout.h: replace "GNU CC" with "GCC".
3831 2001-08-21 Richard Henderson <rth@redhat.com>
3833 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3834 (final_scan_insn): Consider jump tables data even if we have no
3835 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3837 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3838 (ASM_OUTPUT_CASE_END): Remove.
3839 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3840 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3841 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3843 2001-08-21 Richard Henderson <rth@redhat.com>
3845 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3846 at barrier insns. Emit stop bits before barriers.
3848 * flow.c (flow_find_cross_jump): Don't consider unconditional
3849 return insns for commoning.
3851 * final.c (compute_alignments): Fix typo.
3853 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3854 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3855 (store_bit_field): Use mode_for_extraction more places.
3856 (extract_bit_field): Likewise.
3858 2001-08-21 Zack Weinberg <zackw@panix.com>
3860 * caller-save.c: Don't include insn-codes.h.
3861 (reg_save_code, reg_restore_code): Make arrays of int.
3862 All uses updated to match.
3863 (insert_save, insert_restore): No need to initialize "code"
3864 variable upon declaration.
3865 * Makefile.in: update dependencies; fix typo in clean rule.
3867 2001-08-21 Richard Henderson <rth@redhat.com>
3869 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3870 (merge_if_block): Handle fallout from same.
3872 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3874 * builtins.c (type_to_class): Fix typo in last change.
3876 2001-08-21 Richard Henderson <rth@redhat.com>
3878 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3879 ia64_asm_output_label.
3881 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3882 copy of gp while the real gp register contains garbage.
3884 2001-08-21 Zack Weinberg <zackw@panix.com>
3886 * expmed.c (mode_for_extraction): New function.
3887 (store_bit_field, extract_bit_field): Use it.
3888 * expr.h: Prototype it and provide an enum for its first argument.
3890 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3891 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3892 and digging through the insn_data tables.
3893 * Makefile.in: Update dependencies.
3895 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3897 * cppfiles.c (stack_include_file): line-map.c now handles include
3899 (handle_missing_handler): Similarly.
3900 (_cpp_execute_include): Similarly.
3901 (_cpp_pop_file_buffer): Similarly.
3902 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3903 buffer_stack_depth and include_depth.
3904 * cpplib.c (do_include_common): line-map.c now handles include depth.
3905 (cpp_push_buffer): Similarly.
3906 (_cpp_pop_buffer): Similarly.
3907 * cppmacro.c (builtin_macro): Update.
3908 * line-map.c (init_line_maps): Set depth.
3909 (add_line_map): Increment "used" earlier. Update and use the
3911 (trace_include): Use the include depth.
3912 * line-map.h (struct line_maps): New member depth.
3914 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3916 * cppfiles.c (stack_include_file): Don't handle -H here.
3917 * cppinit.c (cpp_start_read): Set include tracing after
3918 cpp_post_options and after stacking the main file.
3919 * line-map.c (trace_include): New.
3920 (init_line_maps, add_line_map): Update.
3921 * line-map.h (struct line_maps): New member trace_includes.
3923 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3925 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3926 * cppfiles.c (stack_include_file): Only stack a file if there
3927 is something to do. Return a boolean indicating whether a
3928 buffer was stacked or not.
3929 (_cpp_execute_include): Similarly.
3930 (_cpp_read_file): Similarly.
3931 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3933 2001-08-21 Sam Steingold <sds@gnu.org>
3935 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3936 (RECACHE): keep obufp_before_macroname up to date
3938 2001-08-21 Zack Weinberg <zackw@panix.com>
3940 * stmt.c: Don't include insn-codes.h.
3941 (expand_end_case): Machine specific logic moved to expr.c.
3942 No need to worry about __builtin_classify_type.
3943 (check_for_full_enumeration_handling, emit_case_nodes):
3946 * builtins.o (expand_builtin_classify_type): Split up so code
3947 can be shared with fold_builtin_classify_type.
3948 (type_to_class, fold_builtin_classify_type): New functions.
3949 (fold_builtins): Handle __builtin_classify_type.
3951 * expr.c (do_tablejump): Now static.
3952 (case_values_threshold, try_casesi, try_tablejump): New;
3953 code mostly from stmt.c (expand_end_case).
3954 (expr.h): Update prototypes.
3956 * Makefile.in (stmt.o): Update dependencies.
3958 2001-08-21 Will Cohen <wcohen@redhat.com>
3960 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3961 declaration of variable i.
3962 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3963 declaration of variable i.
3965 2001-08-21 Richard Henderson <rth@redhat.com>
3967 * crtstuff.c: Fix thinko last change. Move list tails to start
3968 of CRT_END section. Tidy ifdefs.
3969 (__EH_FRAME_BEGIN__): Always static for ELF.
3970 (__do_global_ctors_1): Rename from __frame_dummy.
3971 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3972 name change; don't hide __EH_FRAME_BEGIN__.
3974 2001-08-21 Richard Henderson <rth@redhat.com>
3976 * gdbinit.in: Move break on exit after break on fancy_abort.
3978 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3981 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3983 * cpphash.h (_cpp_push_next_buffer): New.
3984 * cppinit.c (do_includes): Remove.
3985 (push_include, free_chain, _cpp_push_next_buffer): New.
3986 (cpp_start_read): Use them to rework command line option handling.
3987 (cpp_handle_option): Combine handling of -include and -imacros.
3988 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3989 appropriate. Always insert missing \n at EOF.
3990 * cpplib.c (start_directive): Get the directive position right.
3991 * cppmain.c (cb_file_change): Always print the first line, unless
3994 2001-08-20 Andreas Jaeger <aj@suse.de>
3996 * profile.c (compute_branch_probabilities): Remove extra new-line
3998 * flow.c (verify_flow_info): Likewise.
4000 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4002 * basic-block.h (basic_block): Add new field 'flags'.
4003 (BB_REACHABLE): Define.
4004 (expunge_block): Declare.
4005 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
4006 (EXIT_BLOCK_PTR): Ditto.
4007 (expunge_block): Remove static declaration.
4008 (cleanup_cfg): Clear bb->aux on every basic block.
4009 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
4010 computing reachability.
4011 (delete_unreachable_blocks): Delete block b if b->flags has
4014 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4016 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
4018 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4020 * sparc.c (sparc_variable_issue): Fix typo in last change.
4022 2001-08-20 Richard Henderson <rth@redhat.com>
4024 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4026 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4028 * pa.h (RETURN_IN_MEMORY): Improve comment.
4030 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4032 * doc/invoke.texi (Profiling options): Clarify the interactions
4033 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4035 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4037 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4040 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4042 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4045 2001-08-20 Richard Henderson <rth@redhat.com>
4047 * final.c (end_final): Fix typo last change.
4049 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4051 * cppinit.c (init_standard_includes): The returned buffer
4052 is already malloc-ed.
4053 * gcc.c (add_prefix): Similarly.
4054 * prefix.c (translate_name): Update to support clear buffer
4056 (update_path): Similarly. Be sure to free any newly allocated
4057 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4059 * prefix.h (update_path): Update prototype and document.
4060 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4061 up and update to new buffer ownership rules.
4062 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4064 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4066 * final.c (compute_alignments): New function.
4067 (init_insn_lengths): Do not care label_align.
4068 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4069 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4070 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4071 (shorted_branches): Realloc label_align array; do
4072 not call init_insn_lengths; Do not care about loop alignments.
4073 * output.h (compute_alignments): Declare.
4074 * toplev.c (rest_of_compilation): Call compute_alignments.
4075 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4077 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4078 change visited to tovisit.
4079 (propagate_freq): Use faster traversing algorithm.
4080 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4081 to tovisit; reverse meaning.
4083 * predict.c (struct block_info_def): Remove nvisited.
4084 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4085 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4087 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4089 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4090 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4091 (TARGET_FUSED_MADD): New.
4092 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4093 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4094 the multiply-add instructions.
4096 2001-08-19 Richard Henderson <rth@redhat.com>
4098 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4099 is aligned to pointer size.
4101 2001-08-19 Richard Henderson <rth@redhat.com>
4103 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4104 display markers during final schedule.
4106 2001-08-19 Richard Henderson <rth@redhat.com>
4108 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4110 2001-08-19 Richard Henderson <rth@redhat.com>
4112 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4114 (ASM_NAME_TO_STRING): Remove.
4115 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4116 in the same string. Remove support for expressions.
4118 2001-08-19 Richard Henderson <rth@redhat.com>
4120 * config/i386/i386.md (tablejump): Make an expander; handle
4121 pic relative addressing here.
4122 (tablejump_1): Rename from tablejump_pic.
4125 2001-08-19 Richard Henderson <rth@redhat.com>
4127 * regclass.c (fix_register): Fix typo.
4129 2001-08-18 Richard Henderson <rth@redhat.com>
4131 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4132 (struct _Unwind_Context): Expand br_loc to hold it.
4133 (uw_frame_state_for): Handle leaf functions better.
4134 (uw_update_reg_address): Update for br_loc change.
4136 2001-08-18 Richard Henderson <rth@redhat.com>
4138 * crtstuff.c: Move list heads before code that uses them.
4139 (__JCR_LIST__): Remove initial null.
4140 (frame_dummy, __frame_dummy): Do java registration here ...
4141 (__do_global_ctors_aux): ... not here.
4143 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4144 (__do_global_dtors_aux): Update to match.
4145 (__JCR_LIST__, __do_jv_register_classes): New.
4147 * config/ia64/crtend.asm (__JCR_END__): New.
4148 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4149 instead of an indirect LTOFF22 reloc.
4151 2001-08-18 Richard Henderson <rth@redhat.com>
4153 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4154 * regclass.c (init_reg_sets_1): Fix typo.
4155 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4156 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4157 (ia64_compute_frame_size): Make ar.unat live when in use.
4158 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4159 for ar.pfs; remove ar.unat handling.
4160 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4162 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4163 * config/ia64/ia64-protos.h: Update decls.
4164 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4165 (sibcall_pic): Likewise.
4167 2001-08-18 Richard Henderson <rth@redhat.com>
4169 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4170 pred_rel_mutex when searching for insn_group_barrier.
4171 * config/ia64/ia64.md (cycle_display): Combine the expander
4174 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4175 bit before asm as needed.
4177 2001-08-18 Richard Henderson <rth@redhat.com>
4179 * timevar.def (TV_MACH_DEP): New.
4180 * toplev.c (rest_of_compilation): Use it.
4181 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4183 2001-08-18 Zack Weinberg <zackw@panix.com>
4185 * unwind-dw2.c (execute_stack_op): Add default aborts to
4186 the inner switches to prevent warnings.
4188 2001-08-18 Richard Henderson <rth@redhat.com>
4190 * timevar.h (struct timevar_time_def): Change element type to float.
4191 (ticks_to_msec, clocks_to_msec): Likewise.
4192 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4193 (get_time): Likewise.
4194 (timevar_print): Adjust zero check and printing to match.
4196 2001-08-18 Zack Weinberg <zackw@panix.com>
4198 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4199 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4200 Eliminate overfull or underfull hboxes.
4202 2001-08-18 Zack Weinberg <zackw@panix.com>
4204 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4206 2001-08-18 Zack Weinberg <zackw@panix.com>
4208 * haifa-sched.c: Convert to target hooks. Macros replaced
4209 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4210 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4211 MD_SCHED_FINISH, and HAVE_cycle_display.
4212 * target-def.h (TARGET_SCHED_ADJUST_COST,
4213 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4214 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4215 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4216 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4217 New hook #defines to be overridden.
4218 (TARGET_SCHED): Bring them all together.
4219 (TARGET_INITIALIZER): Update.
4220 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4221 instead of 'struct rtx_def *' throughout.
4222 (struct sched): New set of hooks for the scheduler.
4223 * Makefile.in (haifa-sched.o): Depend on target.h.
4224 * doc/tm.texi: Document the new scheduler hooks, together in
4225 their own section, instead of scattered around.
4226 Fix a bunch of underfull/overfull hboxes.
4228 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4229 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4230 sparc.h: Don't define any of the old scheduler macros.
4232 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4233 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4234 sparc.c: Create hook functions from code extracted from
4235 corresponding target header, or make existing hooks static, as
4236 appropriate. Set the appropriate entries in targetm.
4238 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4239 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4240 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4241 Remove prototypes for functions which are now static.
4243 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4244 related gunk; the Haifa scheduler is now the only choice.
4246 2001-08-18 Zack Weinberg <zackw@panix.com>
4248 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4249 * genopinit.c: Put floating point divide insns in sdiv_optab.
4250 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4251 * config/gofast.h, config/c4x/c4x.h,
4252 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4253 config/pa/long_double.h, config/rs6000/sysv4.h,
4254 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4255 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4256 (init_optabs): Use init_optabv for overflow-trapping optabs.
4257 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4258 cmp_optab RTX codes so have_insn_for can find them.
4260 * optabs.c (expand_simple_binop, expand_simple_unop,
4261 have_insn_for, gen_sub3_insn): New interfaces.
4262 * expr.h: Prototype new functions.
4263 (enum optab_methods): Move here from optabs.h.
4265 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4266 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4267 Use new functions instead of working directly with optabs.
4268 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4269 unroll.c: Don't include optabs.h.
4270 * caller-save.c, combine.c, function.c, stmt.c: Just include
4271 insn-codes.h, not optabs.h.
4272 * Makefile.in: Update dependencies.
4274 * combine.c (make_compound_operation, simplify_comparison):
4275 Fix typos testing for this or that instruction.
4277 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4279 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4280 generating libgcc.a.
4282 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4284 * except.c (TYPE_HASH): Delete.
4286 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4289 * tree.c (TYPE_HASH): Delete.
4291 * tree.h (TYPE_HASH): Define.
4293 2001-08-18 Graham Stott <grahams@redhat.com>
4295 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4297 (adddi3_internal_2+2): Likewise.
4298 (eh_set_lr_di+1): Likewise.
4300 2001-08-17 Richard Henderson <rth@redhat.com>
4302 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4303 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4304 * dwarf2asm.c: ... here.
4305 * dwarfout.c: Remove them.
4307 * varasm.c (assemble_integer): Add align parameter.
4308 (assemble_real, output_constant, output_constructor): Likewise.
4309 * output.h: Update decls.
4310 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4311 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4312 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4313 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4314 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4317 * final.c (end_final): Abort profile block generation if we
4318 havn't layed it out properly.
4319 * output.h (assemble_eh_integer): Remove stale decl.
4320 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4322 (assemble_integer): Handle unaligned data.
4323 (assemble_real): Abort on unaligned data.
4324 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4326 (default_dtor_section_asm_out_destructor): Use assemble_align.
4327 (default_named_section_asm_out_constructor): Likewise.
4328 (default_ctor_section_asm_out_constructor): Likewise.
4329 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4330 (machopic_asm_out_destructor): Likewise.
4331 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4332 (nextstep_asm_out_destructor): Likewise.
4333 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4334 (vms_asm_out_destructor): Likewise.
4336 2001-08-17 Richard Henderson <rth@redhat.com>
4338 * config/mips/iris6.h (TARGET_IRIX6): New.
4339 (current_section_name, current_section_flags): New.
4340 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4341 (MAX_OFILE_ALIGNMENT): New.
4342 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4343 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4344 (copy_file_data): Split out from
4345 (mips_asm_file_end): ... here.
4346 (mips_asm_file_start): Remove extra .section directive. Use
4347 tmpfile instead of mips_make_temp_file.
4348 (mips_unique_section): Use const char * as needed for warnings.
4349 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4350 re-add align parameter.
4351 (iris6_asm_named_section): New.
4352 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4353 (iris6_asm_output_align, iris6_section_align_1): New.
4354 (iris6_asm_file_start, iris6_asm_file_end): New.
4355 * config/mips/mips-protos.h: Update decls.
4357 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4359 * doc/install.texi (Install GCC): Add links to build status pages.
4361 (Final install): Ditto; request updates for specific info
4363 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4365 * cpperror.c (print_location): Don't take a file name; use the
4367 (_cpp_begin_message): Similarly.
4368 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4369 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4370 (cpp_pedwarn_with_file_and_line): Remove.
4371 * cppfiles.c (stack_include_file): Update; set filename to stdin
4372 here when appropriate.
4373 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4374 (_cpp_begin_message): Don't take a file name.
4375 * cppinit.c: Add comment.
4376 * cpplex.c: Fix end-of-directive indicator.
4377 * cpplib.c: Don't include intl.h.
4378 (run_directive, do_diagnostic): Update.
4379 (do_line): Update to not use nominal_fname.
4380 (cpp_push_buffer): Don't take a filename.
4381 * cpplib.h (struct ht): Remove.
4382 (cpp_push_buffer): Don't take a filename.
4383 (cpp_pedwarn_with_file_and_line): Remove.
4384 * cppmacro.c (struct cpp_macro): Remove file.
4385 (builtin_macro): Update.
4386 (_cpp_create_definition): Update.
4387 * cppmain.c: Correct comment.
4388 * fix-header.c (read_scan_file): Update.
4390 2001-08-17 Kazu Hirata <kazu@hxi.com>
4392 * sbitmap.c: Fix comment formatting.
4393 * sched-deps.c: Likewise.
4394 * sibcall.c: Likewise.
4395 * simplify-rtx.c: Likewise.
4397 * ssa-ccp.c: Likewise.
4398 * stor-layout.c: Likewise.
4399 * timevar.c: Likewise.
4400 * toplev.c: Likewise.
4401 * unwind-dw2.c: Likewise.
4402 * unwind-dw2-fde.c: Likewise.
4403 * varasm.c: Likewise.
4405 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4407 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4408 or larger than an integer in memory.
4410 2001-08-17 Zack Weinberg <zackw@panix.com>
4412 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4413 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4414 * rtl.h: Don't forward-declare union tree_node here. Don't
4415 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4416 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4417 and tree respectively.
4418 * tree.h: Don't forward-declare struct rtx_def here. Don't
4419 typedef tree here. Change all uses of struct rtx_def *,
4420 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4421 and tree respectively.
4423 2001-08-17 Richard Henderson <rth@redhat.com>
4425 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4426 config/mips/openbsd.h: Fix typos last change.
4428 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4430 * doc/invoke.texi (Optimize Options): The default for
4431 -finline-limit is 600.
4433 2001-08-17 Richard Henderson <rth@redhat.com>
4435 * varasm.c (text_section): Allow TEXT_SECTION to override the
4436 printing of TEXT_SECTION_ASM_OP.
4437 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4438 (DATA_SECTION, BSS_SECTION): Remove.
4439 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4440 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4441 Rename from s/_NAME//.
4442 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4443 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4444 (TEXT_SECTION): ... here. New.
4445 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4446 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4447 * config/mips/openbsd.h: Likewise.
4448 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4449 (mips_asm_file_end): Likewise test.
4450 (mips_output_function_epilogue): Likewise. Switch back to data
4451 section after emitting the function.
4453 * doc/tm.texi (Sections): Document TEXT_SECTION.
4455 2001-08-17 Richard Henderson <rth@redhat.com>
4457 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4458 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4460 2001-08-17 Richard Henderson <rth@redhat.com>
4462 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4463 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4464 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4465 Add aligned attribute.
4467 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4469 * config/sh/sh.md: Add modes to unspecs in first insn to match
4470 those in the second.
4472 * Makefile.in: Fix collect2 copy for Cygwin.
4474 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4476 Install the proper patch.
4477 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4478 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4479 (expand_function_start): Likewise.
4480 * stmt.c (expand_decl): Likewise.
4481 * varasm.c (make_decl_rtx): Likewise.
4483 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4485 * final.c: Undo my previous accidental checkin.
4486 * output.h: Likewise.
4487 * tm.texi: Likewise.
4489 2001-08-16 Richard Henderson <rth@redhat.com>
4491 * varasm.c (named_section_flags): Remove align parameter.
4492 * varasm.c, dwarf2out.c: Update all callers.
4493 * output.h: Update prototypes.
4495 * target.h (target.asm_out.named_section): Remove align parameter.
4496 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4497 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4498 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4499 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4500 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4502 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4503 (get_named_section_flags, set_named_section_flags): New.
4504 (named_section_flags): Use them.
4505 (named_section): Do decl vs section flags check here...
4506 (default_section_type_flags): ... not here.
4507 (init_varasm_once): Create in_named_htab.
4508 (resolve_unique_section): Mark reloc unused.
4510 2001-08-16 Richard Henderson <rth@redhat.com>
4512 * varasm.c (force_const_mem): Keep pool alignment in bits.
4513 (output_constant_pool): Use assemble_align.
4515 2001-08-16 Zack Weinberg <zackw@panix.com>
4517 * doc/tm.texi: Remove extra @table command.
4519 2001-08-16 Zack Weinberg <zackw@panix.com>
4521 * final.c (shorten_branches): Clear the end of the label_align
4522 array only if we made it larger. Break up messy expressions
4525 * diagnostic.c (internal_error): Check for error recursion
4526 before doing ICE suppression.
4528 * timevar.c: Timing variables now count in milliseconds.
4529 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4530 (get_time): Not here.
4531 (timevar_print): Don't print any timer whose user, cpu, and
4532 wall times are all zero as displayed.
4533 * timevar.h: Update comment aboout units. Make timevar
4536 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4538 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4539 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4540 (expand_function_start): Likewise.
4541 * stmt.c (expand_decl): Likewise.
4542 * varasm.c (make_decl_rtx): Likewise.
4544 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4546 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4547 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4549 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4551 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4554 2001-08-16 Andreas Jaeger <aj@suse.de>
4556 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4559 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4561 * rtl.h (only_sets_cc0_p): New prototype.
4562 * jump.c (sets_cc0_p): Handle INSN.
4563 (only_sets_cc0_p): New function.
4564 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4565 (tidy_fallthru_edge): Likewise.
4566 * integrate.c (copy_insn_list): Likewise.
4567 * unroll.c (unroll_loop): Likewise.
4568 (copy_loop_body): Likewise.
4570 2001-08-15 Jason Eckhardt <jle@redhat.com>
4572 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4574 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4576 * predict.c (struct block_info_def): Remove nvisited.
4577 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4578 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4580 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4581 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4584 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4586 * predict.def: Update hitrates.
4588 2001-08-15 Richard Henderson <rth@redhat.com>
4590 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4592 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4594 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4595 note from its associated jump.
4597 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4599 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4600 also on 64-bit s390x targets.
4602 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4604 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4606 (arm_expand_prologue): Handled nested functions which take a
4607 variable argument list.
4608 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4609 macro with an invocation of
4610 arm_compute_initial_elimination_offset.
4611 * config/arm/arm-protos.h: Prototype
4612 arm_compute_initial_elimination_offset.
4614 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4616 * doc/install.texi (Specific, avr): Fix markup.
4617 (Specific, c4x): Ditto.
4619 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4621 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4623 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4625 * Makefile.in (OBJS): Add rtl-error.o
4626 (rtl-error.o): New rule.
4627 (diagnostic.o): Adjust dependency.
4628 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4629 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4630 warning_for_asm): Move to...
4631 rtl-error.c: ...here. New file.
4633 2001-08-14 Richard Henderson <rth@redhat.com>
4635 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4636 if USING_SJLJ_EXCEPTIONS.
4638 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4640 * tlink.c (scan_linker_output): Check string for unsatisfied in
4641 addition to undefined and unresolved.
4643 2001-08-14 Graham Stott <grahams@redhat.com>
4645 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4646 EH_FRAME_SECTION_NAME.
4648 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4650 * genattrtab.c (simplify_test_exp_in_temp): New function.
4651 (simplify_test_exp): Avoid explicit use of temporary obstack.
4652 (simplify_cond, insert_right_side, evaluate_eq_attr,
4653 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4654 Use simplify_test_exp_in_temp.
4655 (optimize_attrs): Iterate until expression stabilizes.
4657 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4659 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4660 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4662 2001-08-13 Richard Henderson <rth@redhat.com>
4664 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4665 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4666 * config/arm/conix-elf.h: Likewise.
4668 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4670 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4672 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4674 * gcse.c (hash_scan_set): Expressions that are set as part of
4675 jump instructions are not available.
4677 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4679 * config/s390/s390.c (print_operand, s390_function_prologue,
4680 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4682 2001-08-13 Richard Henderson <rth@redhat.com>
4684 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4685 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4686 * doc/tm.texi (Exception Region Output): Document it.
4688 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4690 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4691 DWARF2 instead of stabs by default.
4693 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4695 * config/rs6000/rs6000.c: Include optabs.h.
4697 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4699 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4700 save/restore routines.
4701 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4703 2001-08-13 Andreas Jaeger <aj@suse.de>
4705 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4706 the english is correct.
4708 2001-08-13 Zack Weinberg <zackw@panix.com>
4710 * expr.h: Split out optab- and libfunc-related code to...
4711 * optabs.h, libfuncs.h: ... these new headers.
4713 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4715 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4717 * mkconfig.sh: Don't include insn-codes.h from config.h.
4719 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4720 enum insn_code is available. Move reload_in_optab and
4721 reload_out_optab array declarations to optabs.h.
4722 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4723 there, prototype in expr.h.
4724 * gencodes.c: Cleanup: zap global variables, don't use
4725 printf where puts will do, don't bother defining MAX_INSN_CODE
4726 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4728 * genemit.c, genopinit.c: Include optabs.h in generated file.
4729 * genoutput.c: Include insn-codes.h in generated file.
4730 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4731 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4732 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4733 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4734 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4735 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4737 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4738 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4739 config/m88k/m88k.c, config/sparc/sparc.c:
4741 * reload.c: Include expr.h and optabs.h before reload.h.
4742 * config/alpha/alpha.c: Include tree.h before reload.h.
4743 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4744 and reload.h in that order.
4745 * config/sparc/sparc.c: Include debug.h.
4746 * recog.c: Include insn-codes.h.
4748 2001-08-13 Andreas Jaeger <aj@suse.de>
4750 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4753 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4755 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4756 * gcc.c (init_spec): Fix typo in comment.
4757 * varasm.c (data_section): Fix typo in comment.
4759 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4761 * predict.c (dump_prediction): New argument "USED".
4762 (combine_predictions_for_insn): Determine the used heuristics,
4763 output the case no heuristic applied.
4764 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4766 2001-08-13 Andreas Jaeger <aj@suse.de>
4768 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4771 2001-08-13 Kazu Hirata <kazu@hxi.com>
4773 * jump.c: Fix formatting.
4775 2001-08-13 Kazu Hirata <kazu@hxi.com>
4777 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4780 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4782 * loop.c (check_dbra_loop): Use condjump_label to compute
4785 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4786 to better document the files they're in.
4788 2001-08-12 Zack Weinberg <zackw@panix.com>
4790 * recog.h (struct insn_operand_data): Shrink 'mode' field
4793 2001-08-12 Kazu Hirata <kazu@hxi.com>
4795 * gcc.c: Fix comment formatting.
4796 * gccspec.c: Likewise.
4799 * genemit.c: Likewise.
4800 * gengenrtl.c: Likewise.
4801 * genrecog.c: Likewise.
4802 * gensupport.c: Likewise.
4803 * ggc-page.c: Likewise.
4804 * global.c: Likewise.
4805 * graph.c: Likewise.
4806 * ifcvt.c: Likewise.
4807 * integrate.c: Likewise.
4809 * libgcc2.c: Likewise.
4811 * mbchar.c: Likewise.
4812 * optabs.c: Likewise.
4813 * predict.c: Likewise.
4814 * prefix.c: Likewise.
4815 * profile.c: Likewise.
4816 * protoize.c: Likewise.
4818 * recog.c: Likewise.
4819 * regclass.c: Likewise.
4820 * regmove.c: Likewise.
4821 * reg-stack.c: Likewise.
4822 * reload1.c: Likewise.
4823 * resource.c: Likewise.
4824 * rtlanal.c: Likewise.
4827 2001-08-12 Kazu Hirata <kazu@hxi.com>
4829 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4830 a tree representing a constant is passed to the macro.
4832 2001-08-12 Richard Henderson <rth@redhat.com>
4834 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4835 (rs6000_elf_asm_out_destructor): New.
4836 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4837 (DTORS_SECTION_ASM_OP): Remove.
4838 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4839 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4841 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4844 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4845 * gcc.c (set_collect_gcc_options): New function, split out from
4847 Ignore elided switches.
4848 (do_spec_1): Invoke before executing command.
4849 (set_input): Export.
4850 Move declaration ...
4851 * gcc.h (set_input): ... here.
4852 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4855 2001-08-12 Richard Henderson <rth@redhat.com>
4857 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4858 thinko wrt TARGET_RELOCATABLE.
4860 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4862 * fix-header.c (cb_file_change): Update prototype.
4864 2001-08-11 Zack Weinberg <zackw@panix.com>
4866 * toplev.c (set_float_handler): Make static.
4867 * toplev.h: Don't prototype set_float_handler.
4869 * simplify-rtx.c: Don't include setjmp.h.
4870 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4872 (simplify_unary_operation, simplify_binary_operation): Use them,
4873 via do_float_handler.
4875 * fold-const.c: Don't include setjmp.h.
4876 (exact_real_inverse_1): New function.
4877 (exact_real_inverse): Use it, via do_float_handler.
4879 * varasm.c: Don't include setjmp.h.
4880 (assemble_real_1): New function.
4881 (assemble_real): Use it, via do_float_handler.
4882 Call internal_error if we get a trap here.
4884 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4885 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4887 2001-08-11 Zack Weinberg <zackw@panix.com>
4889 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4890 STACK_BOUNDARY if not already defined.
4892 * calls.c, function.c, reload1.c, explow.c: Don't default
4893 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4894 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4896 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4899 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4900 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4902 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4904 * cppmacro.c (enter_macro_context): Push macro expansions even
4907 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4909 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4910 (rs6000_elf_section_type_flags): Actually return a value.
4912 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4914 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4915 Clean up code: add missing comments and prototypes, fix warnings,
4916 remove obsolete code, fix spacing to conform to coding style.
4918 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4920 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4921 and TARGET_ASM_CLOSE_PAREN.
4922 (regclass_map): CC register belongs to class NO_REGS.
4923 (legitimize_pic_address): Don't generate unnecessary moves
4924 (to avoid confusing loop optimization).
4925 (check_and_change_labels): Replace jump_long by indirect_jump.
4926 (s390_final_chunkify): Don't start a new literal pool on section
4927 switch in 64-bit code.
4928 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4930 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4931 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4932 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4934 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4935 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4936 (CONST_COSTS): Fixed incorrect costs.
4938 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4939 Use emit_jump instead of emit_jump_insn (gen_jump).
4940 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4941 (to avoid confusing flow analysis).
4942 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4943 (casesi, casesi_jump): New.
4944 (jump_long): Removed. Functionality merged into indirect_jump.
4945 (indirect_jump): Accept address_operand, not just register_operand.
4946 (cjump_long, icjump_long): Use same logic as indirect_jump.
4947 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4948 Fixed broken setjmp/longjmp handling.
4949 (do_builtin_setjmp_setup): Removed.
4951 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4952 broken GNU as versions that don't accept .quad with large
4953 negative values. Use hexadecimal output instead.
4954 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4955 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4956 FUNCTION_EPILOGUE): Removed. Now in targetm.
4958 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4960 * config/s390/fixdfdi.h: Add missing copyright statement.
4961 Fix type conflicts on 64-bit. Add missing SFmode routines.
4963 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4966 2001-08-11 Richard Henderson <rth@redhat.com>
4968 * rtl.h (REG_EH_RETHROW): Remove.
4969 * rtl.c (reg_note_name): Update.
4970 * combine.c (distribute_notes): Don't check for it.
4972 2001-08-11 Richard Henderson <rth@redhat.com>
4974 * combine.c (distribute_notes): Place REG_SETJMP.
4976 2001-08-11 Richard Henderson <rth@redhat.com>
4978 * doc/extend.texi (Arrays and pointers implementation): Discourage
4979 relying on sign-extension of pointers.
4981 2001-08-11 H.J. Lu <hjl@gnu.org>
4983 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4985 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4986 RDATA_SECTION_ASM_OP.
4988 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4990 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4991 main manual to work both for info and HTML versions.
4993 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4994 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4996 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4997 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4998 (struct cpp_pool): New member first.
4999 * cppinit.c (append_include_chain): Plug memory leaks.
5000 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
5001 Allocate pragma structures from the (aligned) macro pool to
5002 avoid leaking memory.
5003 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
5004 so we don't leak memory.
5005 * hashtable.c (ht_destroy): New.
5006 * hashtable.h (ht_destroy): New.
5008 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5009 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5011 * c-lex.c (map): Make const.
5012 (cb_file_change): Update for callback passing a line map.
5013 Don't assume we have a previous map. Remove sanity check
5014 about popping too many files.
5015 * cpperror.c (print_location): Make map const.
5016 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
5017 (cpp_make_system_header): Similarly.
5018 (search_from): Similarly.
5019 (_cpp_execute_include): Don't remember where we came from.
5020 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
5021 (struct cpp_reader): Make map const.
5022 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
5023 * cpplib.c (do_line): Update; line maps now hold sysp.
5024 (cpp_push_buffer): Similarly.
5025 (_cpp_do_file_change): Similarly; callback with map instead.
5026 (cpp_get_line_maps): Constify return value.
5027 (_cpp_pop_buffer): Update.
5028 * cpplib.h (struct cpp_file_change): Remove.
5029 (struct cpp_callbacks): Update.
5030 (cpp_get_line_maps): Constify return value.
5031 * cppmacro.c (_cpp_create_definition): Update.
5032 * cppmain.c (struct printer): Constify map.
5033 (maybe_print_line): Similarly.
5034 (print_line): Similarly. Deduce flags 1 and 2 here.
5035 (cb_file_change): Update.
5036 * line-map.c (free_line_maps): Warn regardless.
5037 (add_line_map): Return pointer to const. When passed NULL to_file
5038 with LC_LEAVE, use the obvious values for the return point so the
5039 caller doesn't have to figure them out.
5040 (lookup_line): Return pointer to const.
5041 (print_containing_files): Take pointer to const.
5042 * line-map.h (struct line_map): New members reason, sysp.
5043 (add_line_map): Return pointer to const.
5044 (lookup_line): Similarly.
5045 (print_containing_files): Take pointer to const.
5047 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5048 Richard Henderson <rth@redhat.com>
5050 * regmove.c (regmove_optimize): Avoid setting a register twice in
5053 2001-08-10 Richard Henderson <rth@redhat.com>
5055 * doc/extend.texi (Arrays and pointers implementation): Document
5056 behavior of pointer/integer conversion.
5058 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5060 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5062 2001-08-10 Richard Henderson <rth@redhat.com>
5064 * doc/extend.texi (C Implementation): New chapter.
5065 * doc/gcc.texi (Top): Link it in.
5067 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5069 * doc/install.texi (Specific): Fix CVS merge botch.
5071 2001-08-10 Richard Henderson <rth@redhat.com>
5073 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5074 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5076 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5078 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5079 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5080 this macro is now required.
5082 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5083 loop.c (find_and_verify_loops), reload.c (reload): Check
5084 for rtx code of CALL_INSN, not CALL, when deciding if we
5085 need to check for REG_SETJMP note.
5087 * gcse.c (compute_hash_table, compute_store_table): Update
5088 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5091 * config/avr/avr.c: Fix typo.
5092 * config/convex/convex.c (expand_movstr): Use adjust_address.
5093 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5095 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5096 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5098 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5099 Do define STACK_BOUNDARY.
5100 * config/i370/i370.c: Include expr.h.
5101 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5102 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5103 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5104 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5105 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5106 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5107 * config/romp/romp.c: Include expr.h after tree.h.
5109 (output_fpop): Use xmalloc, not oballoc.
5110 * config/we32k/we32k.c: Include expr.h.
5112 2001-08-10 Kazu Hirata <kazu@hxi.com>
5114 * config/h8300/h8300.h: Fix formatting.
5116 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5118 * c-common.h (RETURN_NULLIFIED_P): Lose.
5119 * c-semantics.c (genrtl_return_stmt): Don't check it.
5121 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5123 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5124 (mips_annotate_frame_insn): New function.
5125 (mips_emit_frame_related_store): New function.
5126 (save_restore_insns): Don't mark instructions that set up the base
5127 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5128 the store instructions instead.
5129 (mips_expand_prologue): If the stack size is moved into a temporary
5130 register, do not mark that move as frame-related. Add a
5131 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5133 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5135 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5136 stack slot as unchanging if current_function_calls_eh_return.
5138 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5140 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5141 access the second half of the TFmode scratch operand.
5143 2001-08-10 Anthony Green <green@redhat.com>
5145 * java/class.c (emit_register_classes): Conditionalize code on
5148 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5150 * doc/install.texi (Specific, avr): Fix cross-reference to the
5151 main manual to work both for info and HTML versions.
5153 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5155 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5156 and "use_goto" argument.
5157 (expand_null_return, expand_value_return): Update all callers.
5158 * function.c (expand_function_end): Remove code to generate simple
5160 * config/vax/vax.md (epilogue): New expander for function return.
5161 * doc/md.texi (epilogue): Remove "if defined".
5163 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5165 * Makefile.in: Partially revert my previous change:
5166 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5167 of the hashtab.o and safe-ctype.o rules.
5169 2001-08-09 Richard Henderson <rth@redhat.com>
5171 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5172 (USE_COLLECT2): Remove duplicate definition.
5173 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5174 (use_collect2): Remove dead code.
5175 * configure.in (use_collect2): Remove will_use_collect2 and
5176 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5177 * configure: Rebuild.
5179 * target.h (targetm.asm_out.constructor): New.
5180 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5181 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5182 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5183 * varasm.c (in_ctors, in_dtors): New.
5184 (assemble_constructor, assemble_destructor): Remove.
5185 (default_stabs_asm_out_destructor): New.
5186 (default_named_section_asm_out_destructor): New.
5187 (dtors_section, default_dtor_section_asm_out_destructor): New.
5188 (default_stabs_asm_out_constructor): New.
5189 (default_named_section_asm_out_constructor): New.
5190 (ctors_section, default_ctor_section_asm_out_constructor): New.
5191 * output.h: Update declarations.
5192 * c-decl.c (c_expand_body): Use target hooks instead of
5193 assemble_constructor and assemble_destructor.
5194 * profile.c (output_func_start_profiler): Likewise.
5195 * objc/objc-act.c (finish_objc): Likewise.
5196 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5197 for the constructor.
5198 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5200 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5201 (DTORS_SECTION_ASM_OP): Likewise.
5202 (__CTOR_LIST__): Use attribute section when possible.
5203 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5205 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5206 ASM_OUTPUT_CONSTRUCTOR.
5208 * config/darwin.c (machopic_asm_out_constructor): New.
5209 (machopic_asm_out_destructor): New.
5210 * config/darwin-protos.h: Update declarations.
5211 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5212 (ASM_OUTPUT_DESTRUCTOR): Remove.
5213 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5214 * config/nextstep.c (nextstep_asm_out_constructor): New.
5215 (nextstep_asm_out_destructor): New.
5216 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5217 (ASM_OUTPUT_DESTRUCTOR): Remove.
5218 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5219 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5220 ASM_OUTPUT_*STRUCTOR.
5221 * config/i386/aix386ng.h: Likewise.
5223 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5224 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5225 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5226 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5227 * config/lynx.h: Likewise.
5228 * config/netware.h: Likewise.
5229 * config/psos.h: Likewise.
5230 * config/alpha/alpha-interix.h: Likewise.
5231 * config/alpha/elf.h: Likewise.
5232 * config/arc/arc.h: Likewise.
5233 * config/arm/aof.h: Likewise.
5234 * config/arm/coff.h: Likewise.
5235 * config/arm/elf.h: Likewise.
5236 * config/c4x/c4x.h: Likewise.
5237 * config/h8300/h8300.h: Likewise.
5238 * config/i386/cygwin.h: Likewise.
5239 * config/i386/djgpp.h: Likewise.
5240 * config/i386/i386-coff.h: Likewise.
5241 * config/i386/i386-interix.h: Likewise.
5242 * config/i386/sco5.h: Likewise.
5243 * config/i386/vsta.h: Likewise.
5244 * config/i386/win32.h: Likewise.
5245 * config/i960/i960-coff.h: Likewise.
5246 * config/ia64/sysv4.h: Likewise.
5247 * config/m68hc11/m68hc11.h: Likewise.
5248 * config/m68k/coff.h: Likewise.
5249 * config/m68k/mot3300.h: Likewise.
5250 * config/m88k/m88k.h: Likewise.
5251 * config/mcore/mcore-pe.h: Likewise.
5252 * config/mcore/mcore.h: Likewise.
5253 * config/mips/elf.h: Likewise.
5254 * config/mips/elf64.h: Likewise.
5255 * config/mips/iris6.h: Likewise.
5256 * config/pa/pa64-hpux.h: Likewise.
5257 * config/rs6000/sysv4.h: Likewise.
5258 * config/sh/sh.h: Likewise.
5259 * config/sparc/litecoff.h: Likewise.
5261 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5262 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5263 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5264 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5265 (ASM_OUTPUT_DESTRUCTOR): Remove.
5266 * config/a29k/a29k.c: Move include of tree.h.
5267 * config/a29k/udi.h: Delete file.
5268 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5269 (vms_asm_out_destructor): New.
5270 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5271 (EXTRA_SECTION_FUNCTIONS): Likewise.
5272 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5273 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5274 * config/c4x/c4x.c: Move include of tree.h.
5275 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5276 (clix_asm_out_destructor): New.
5277 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5278 (ASM_OUTPUT_DESTRUCTOR): Remove.
5279 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5280 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5281 (TARGET_ASM_CONSTRUCTOR): New.
5282 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5283 (sco_asm_out_constructor): New.
5284 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5285 * config/i386/svr3gas.h: Remove stack grows up code.
5286 Remove code duplicated from i386/sysv3.h.
5287 (TARGET_ASM_CONSTRUCTOR): New.
5288 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5289 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5290 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5291 (TARGET_ASM_CONSTRUCTOR): New.
5292 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5293 (m68hc11_asm_out_destructor): New.
5294 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5295 (TARGET_ASM_DESTRUCTOR): New.
5296 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5297 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5298 config/svr3.h pertaining to section manipulation.
5299 * config/m68k/dpx2g.h: Remove #if 0 code.
5300 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5301 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5302 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5303 (TARGET_ASM_CONSTRUCTOR): New.
5304 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5305 (m88k_svr3_asm_out_constructor): New.
5306 (m88k_svr3_asm_out_destructor): New.
5307 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5308 (ASM_OUTPUT_DESTRUCTOR): Remove.
5309 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5310 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5311 * config/rs6000/aix.h: Likewise.
5312 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5313 * config/mips/vxworks.h: Likewise.
5314 * config/rs6000/lynx.h: Likewise.
5315 * config/sh/elf.h: Likewise.
5316 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5317 (DTORS_SECTION_ASM_OP): New.
5318 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5319 (ASM_OUTPUT_DESTRUCTOR): Remove.
5320 * config/sparc/sol2-sld-64.h: Likewise.
5321 * config/vax/vax.c (vms_asm_out_constructor): New.
5322 (vms_asm_out_destructor): New.
5323 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5324 (ASM_OUTPUT_DESTRUCTOR): Remove.
5325 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5327 * doc/tm.texi (@node Initialization): Update.
5329 2001-08-09 Richard Henderson <rth@redhat.com>
5331 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5332 (__do_global_dtors_aux): Use gp-relative static data to avoid
5333 one dynamic relocation.
5334 (__do_frame_setup): Register Java classes.
5335 * config/alpha/crtend.asm (__JCR_END__): New.
5337 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5339 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5340 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5341 (GEN, STAGESTUFF): Add new files.
5342 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5343 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5344 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5345 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5346 as well as insn-codes.h and insn-flags.h in config.h; and no
5347 extra headers in tconfig.h and hconfig.h.
5349 * gencodes.c: Eliminate code to generate predicate declarations
5350 or #defines for md-file constants.
5351 * genconstants.c, genpreds.c: New files.
5353 * i386.md: Re-order guard expressions such that TARGET_64BIT
5354 comes first, when this permits better optimization. Add
5355 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5356 why this is desirable.
5358 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5360 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5361 (find_fde_for_dso): Remove.
5362 (_Unwind_IteratePhdrCallback): New.
5363 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5364 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5366 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5368 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5369 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5371 2001-08-09 Graham Stott <grahams@redhat.com>
5373 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5374 (vis_no_unit): Use it.
5375 (visualize_no_unit): Add the insn only if room exists.
5377 2001-08-09 Graham Stott <grahams@redhat.com>
5379 * predict.c (estimate_probability): Replace magic numbers with
5380 appropriate enumeration.
5382 2001-08-09 Graham Stott <grahams@redhat.com>
5384 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5386 (EXTRACT_FLAGS): Likewise.
5388 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5390 * config/mips/mips.c (mips_legitimate_address_p): Check for
5391 CONST_INT in last patch.
5393 2001-08-08 Anthony Green <green@redhat.com>
5395 * java/class.c (emit_register_classes): Use assemble_jcr if
5396 possible. Keep the original mechanism as a fallback.
5397 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5398 and weak symbol support.
5399 * crtstuff.c (__JCR_LIST__): Define.
5400 (__JCR_END__): Define.
5401 (_Jv_RegiserClasses): Define weak symbol if possible.
5402 (__do_global_ctors_aux): Register classes for ELF targets with
5403 weak symbol support.
5405 2001-08-08 Kazu Hirata <kazu@hxi.com>
5407 * dbxout.c: Fix comment formatting.
5408 * dependence.c: Likewise.
5410 * diagnostic.c: Likewise.
5411 * dominance.c: Likewise.
5412 * doprint.c: Likewise.
5413 * dwarf2out.c: Likewise.
5414 * dwarfout.c: Likewise.
5415 * emit-rtl.c: Likewise.
5416 * except.c: Likewise.
5417 * explow.c: Likewise.
5418 * expmed.c: Likewise.
5421 * fold-const.c: Likewise.
5422 * function.c: Likewise.
5424 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5426 * global.c (retry_global_alloc): Avoid shadowing allocno.
5428 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5430 * except.c (remove_fixup_regions): Fix typo.
5432 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5434 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5435 unsigned HOST_WIDE_INT to avoid warning.
5436 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5437 * flow.c (set_block_for_new_insns): Likewise.
5439 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5441 * sibcall.c (return_value_pseudo): New static variable.
5442 (skip_copy_to_return_value): Handle return_value_pseudo.
5443 (call_ends_block_p): Ensure that return_value_pseudo is set.
5444 (optimize_sibling_and_tail_recursive_call): Discover the
5445 load of pseudo return value in alternate exit block.
5447 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5449 * calls.c (ECF_ALWAYS_RETURN): New constant.
5450 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5451 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5452 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5453 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5454 * rtl.c (reg_note_name): New name.
5455 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5457 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5459 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5461 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5463 * alias.c (get_alias_set): Return a previously calculated
5464 alias set for a VAR_DECL.
5465 * function.c (gen_mem_addressof): Calculate the alias set before
5468 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5470 * predict.def: Set hitrates according our experimental run.
5472 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5474 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5476 2001-08-08 H.J. Lu <hjl@gnu.org>
5478 * config/mips/mips.c (mips_unique_section): New. Copied from
5481 * config/mips/mips-protos.h (mips_unique_section): New
5484 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5486 * config/mips/little.h: New. Generic little endian mips
5487 targets. Only mips*-*-linux* is converted to use it so far.
5489 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5490 (WCHAR_TYPE): Defined
5491 (WCHAR_TYPE_SIZE): Likewise.
5492 (INIT_SUBTARGET_OPTABS): Likewise.
5493 (BSS_SECTION_ASM_OP): Likewise.
5494 (SBSS_SECTION_ASM_OP): Likewise.
5495 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5496 (ASM_DECLARE_OBJECT_NAME): Likewise.
5497 (UNIQUE_SECTION): Likewise.
5498 (EXTRA_SECTIONS): Likewise.
5499 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5500 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5501 (ASM_OUTPUT_DEF): Likewise.
5502 (HANDLE_SYSV_PRAGMA): Removed.
5503 (NO_IMPLICIT_EXTERN_C): Likewise.
5504 (TARGET_MEM_FUNCTIONS): Likewise.
5505 (STARTFILE_SPEC): Likewise.
5506 (ENDFILE_SPEC): Likewise.
5507 (LIB_SPEC): Likewise.
5508 (INVOKE__main): Likewise.
5509 (CTOR_LIST_BEGIN): Likewise.
5510 (CTOR_LIST_END): Likewise.
5511 (DTOR_LIST_BEGIN): Likewise.
5512 (DTOR_LIST_END): Likewise.
5513 (SET_ASM_OP): Likewise.
5514 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5515 (ASM_OUTPUT_DEF): Likewise.
5516 (ASM_OUTPUT_IDENT): Likewise.
5518 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5519 (CPLUSPLUS_CPP_SPEC): Likewise.
5520 (ASM_APP_ON) Redefine only if not defined.
5521 (ASM_APP_OFF): Likewise.
5522 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5523 (ASM_OUTPUT_IDENT): Likewise.
5525 * config.gcc: Update tm_file for Linux/mips.
5527 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5529 * cselib.c (cselib_record_sets): If insn is predicated, turn
5530 sources into IF_THEN_ELSEs.
5532 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5533 Turn into define_insn_and_split.
5535 * sched-deps.c: Include "cselib.h".
5536 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5537 Use cselib to turn memory addresses into VALUEs.
5538 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5539 * sched-int.h (struct sched_info): New member USE_CSELIB.
5540 * sched-ebb.c (ebb_sched_info): Initialize it.
5541 * sched-rgn.c (rgn_sched_info): Likewise.
5542 * Makefile.in (sched-deps.o): Update dependencies.
5544 * cselib.h (cselib_subst_to_values): Declare.
5545 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5546 that have no value and autoincs to be handled by generating a new
5549 2001-08-08 Graham Stott <grahams@redhat.com>
5551 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5552 within fixed length SEQUENCE.
5554 2001-08-08 Graham Stott <grahams@redhat.com>
5556 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5557 (diagnostic_prefixing_rule): Likewise.
5558 (diagnostic_line_cutoff): Likewise.
5559 (diagnostic_kind_count): Likewise.
5561 2001-08-08 Graham Stott <grahams@redhat.com>
5563 * alias.c (find_base_decl): Delete redundent assignment.
5565 2001-08-08 Graham Stott <grahams@redhat.com>
5567 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5568 (abs): Uppercase and paranthesize macro parameter.
5569 (MEM_DEPENDENCY): Add whitespace.
5571 2001-08-08 Graham Stott <grahams@redhat.com>
5573 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5574 failure check for CONST_INT
5576 2001-08-08 Graham Stott <grahams@redhat.com>
5578 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5579 (libcall_dead_p): Likewise.
5581 (mark_used_regs): Constify fmt.
5582 (find_use_as_address): Likewise.
5584 2001-08-08 Graham Stott <grahams@redhat.com>
5586 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5589 2001-08-08 Graham Stott <grahams@redhat.com>
5591 * combine.c (combine_simplify_rtx): Update comment and
5592 remove erroneous test.
5594 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5596 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5597 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5598 take care to avoid multiple no-newline at EOF warnings in that
5601 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5603 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5604 (emit_library_call_value_1): Likewise.
5605 (emit_call_1): Emit REG_SETJMP note.
5606 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5608 * cselib.c (cselib_process_insn): Likewise.
5609 * flow.c (propagate_block): Likewise.
5610 * loop.c (find_and_verify_loops): Likewise.
5611 * reload.c (find_equiv_regs): Likewise.
5612 * reload1.c (reload): Likewise.
5613 * resource.c (mark_referenced_resources,
5614 mark_set_resources): Likewise.
5615 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5616 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5617 * haifa-sched.c (unlink_other_notes): Likewise.
5618 (reemit_notes): Likewise.
5619 * sched-ebb.c (sched_ebb): Likewise.
5620 * sched-rgc.c (sched_region): Likewise.
5621 * rtl.c (note_insn_name): Likewise.
5622 (reg_note_name): Add REG_SETJMP
5623 * rtl.h (reg_note): Add REG_SETJMP.
5624 (insn_note): Remove NOTE_INSN_SETJMP.
5626 * profile.c (branch_prob): Add fake edges for setjmp.
5628 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5630 * config.gcc: Quote target_cpu_default2 correctly for
5631 powerpc*-*-* targets.
5633 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5635 * cpplib.h, line-map.h: Update comments.
5636 * cppmain.c (printer_init): Move inline.
5637 (maybe_print_line, print_line): Take a map pointer.
5638 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5639 (cb_file_change): Don't use prior value of print.map.
5641 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5643 * doc/install.texi: Document fine-grained multilib configuration.
5645 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5647 * rtlanal.c (find_first_parameter_load): Call note_stores
5648 only on the instructions.
5650 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5652 * alias.c (nonlocal_mentioned_p):
5653 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5654 * calls.c (emit_call_1): Likewise.
5655 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5656 * cselib.c (cselib_process_insn): Likewise.
5657 * df.c (df_insns_modify): Likewise.
5658 * flow.c (need_fake_edge_p): Likewise.
5659 (propagate_one_insn): Likewise.
5660 * haifa-sched.c (reemit_notes): Likewise.
5661 * integrate.c (copy_insn_list): Likewise.
5662 * jump.c (delete_prior_computation): Likewise.
5663 * local-alloc.c (validate_equiv_mem): Likewise.
5664 * loop.c (scan_loop): Likewise.
5665 * predict.c (estimate_probability): Likewise.
5666 * reload.c (reload): Likewise.
5667 * sched-deps (sched_analyze): Likewise.
5668 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5669 * gcse.c (compute_hash_table): Likewise.
5670 (mark_call): Likewise.
5671 (store_killed_in_insn): Likewise.
5673 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5675 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5677 2001-08-06 Richard Henderson <rth@redhat.com>
5679 * varasm.c (assemble_gc_entry): Remove.
5680 * output.h: Likewise.
5682 2001-08-06 Richard Henderson <rth@redhat.com>
5684 * varasm.c (assemble_constructor): Take a symbol_ref and a
5685 priority instead of a bare string. Move priority handling
5686 here from cp/decl2.c.
5687 * output.h: Update decls.
5689 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5690 and assemble_destructor.
5691 * profile.c (output_func_start_profiler): Likewise.
5692 * objc/objc-act.c (finish_objc): Likewise.
5693 (build_module_descriptor): Return the symbol not the symbol name.
5695 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5697 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5698 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5699 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5700 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5701 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5702 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5704 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5706 * cpperror.c (print_containing_files): Moved to line-map.c.
5707 (print_location): line-map.c handles re-listing or otherwise.
5708 * cpphash.h (struct lexer_state): Remove next_bol.
5709 (struct cpp_buffer): Remove include_stack_listed.
5710 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5711 Remove faked buffer handling.
5712 (_cpp_do_file_change): Tweak.
5713 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5714 * cppmain.c (struct printer): Remove filename.
5715 (print_line, cb_file_change): Update accordingly.
5716 * line-map.c: Include intl.h.
5717 (init_line_maps): Initialize last_listed.
5718 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5719 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5720 (print_containing_files): New.
5721 * line-map.h (struct line_maps): New member last_listed.
5722 (print_containing_files, INCLUDED_FROM): New.
5723 * Makefile.in: Update.
5724 * po/POTFILES.in: Add line-map.c.
5726 2001-08-06 Richard Henderson <rth@redhat.com>
5728 * except.c (convert_from_eh_region_ranges_1): Never mark
5729 USE or CLOBBER insns as throwing.
5731 * expr.c (store_constructor): Don't clobber memory targets.
5733 2001-08-06 Andreas Jaeger <aj@suse.de>
5735 * profile.c (branch_prob): Remove unused variable insn.
5737 * Makefile.in (local-alloc.o): Add dependency on except.h.
5739 * local-alloc.c: Include except.h for can_throw_internal prototype.
5741 2001-08-06 Richard Henderson <rth@redhat.com>
5743 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5744 * function.c (expand_main_function): Implement it.
5745 * doc/tm.texi: Document it.
5747 2001-08-06 Stan Shebs <shebs@apple.com>
5749 * doc/install.texi: Document powerpc-*-darwin* details.
5751 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5753 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5754 (ASM_CPU_SPEC): Move back to rs6000.h
5755 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5757 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5759 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5762 * config/rs6000/linux64.h: Ditto.
5764 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5765 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5768 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5769 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5771 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5774 2001-08-05 Richard Henderson <rth@redhat.com>
5776 * local-alloc.c (update_equiv_regs): Do not move insns that
5779 2001-08-05 Jan Hubicka <jh@suse.cz>
5781 * Makefile.in (reload1.o): Add dedendancy on except.h
5782 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5784 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5785 indicating wehther edges has been cleaned up.
5786 * reload1.c: Inlucde except.h
5787 (fixup_abnormal_edges): Accept deleted insns.
5788 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5791 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5793 * cpplib.c (do_line): Correct line number after pop_buffer.
5795 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5797 PR preprocessor/3824
5798 * line-map.c: Update comments.
5799 * line-map.h: Update comments.
5800 * tradcif.y: Don't consider large numbers unsigned.
5802 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5804 PR preprocessor/3081
5805 * c-lex.c (map): New.
5806 (cb_file_change): Update map and use it.
5807 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5808 (c_lex): Update to use map.
5809 * cpperror.c (print_location): Move to using logical line numbers.
5810 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5811 (cpp_make_system_header): Similarly.
5812 (_cpp_execute_include): Stop line numbering hacks. Store the
5813 line we will return to.
5814 * cpphash.h (CPP_BUF_LINE): Remove.
5815 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5816 Add map and return_to_line.
5817 (_cpp_do_file_change): Update.
5818 * cppinit.c (cpp_start_read): Update line kludge.
5819 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5820 (trigraph_ok): Use logical line numbers for diagnostics.
5821 (skip_block_comment): Likewise.
5822 (skip_whitespace): Likewise.
5823 (skip_line_comment): Use pfile->line instead.
5824 (_cpp_lex_token): Update to use logical line numbering exclusively.
5825 Handle BOL locally. Accept new lines in directives, but keep
5826 pfile->line decremented. Diagnostics use logical lines. Update
5828 * cpplib.c (SEEN_EOL): New.
5829 (skip_rest_of_line, check_eol): Use it.
5830 (end_directive): Increase line number when accepting the newline
5831 at the end of a directive.
5832 (run_directive): Simplify.
5833 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5834 (_cpp_do_file_change): Update to take buffer line number as an
5835 argument, and store the current map in the cpp_reader. Remove
5836 line number kludges.
5837 (_cpp_do__Pragma): Restore output position after a _Pragma.
5838 (cpp_push_buffer): Don't set output line or lineno.
5839 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5840 Remove line kludge. Set output_line.
5841 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5842 (parse_arg): Use logical lines.
5843 (save_lookahead_token): Save EOFs too now.
5844 * cppmain.c (struct printer): Fix comments.
5845 (printer_init): Simplify, let caller do errors.
5846 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5847 (maybe_print_line): Simplify.
5848 (print_line): Don't print a linemarker if -P.
5849 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5850 (cb_file_change): Simplify.
5851 * line-map.h (LAST_SOURCE_LINE): Fix.
5852 (CURRENT_LINE_MAP): New.
5854 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5856 * doloop.c (doloop_modify_runtime): Properly compute number of
5857 iterations if loop was unrolled.
5859 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5860 if their CSELIB_VAL_PTRs are.
5862 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5863 (setup_spill_pointers): Initialize it.
5864 (spill_restore_mem): Set it.
5865 (do_spill, do_restore): Use it to add REG_INC note.
5866 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5868 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5869 asms if other insns are available.
5871 * config/ia64/ia64.c (condop_operator): New predicate.
5872 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5873 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5876 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5877 temporary register than directly using a MEM.
5879 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5881 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5882 parameter in last change.
5884 2001-08-04 Zack Weinberg <zackw@panix.com>
5886 * sparc.md: Don't use #if inside C test expression.
5888 2001-08-04 Richard Henderson <rth@redhat.com>
5890 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5892 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5894 * cpphash.h (struct cpp_reader): New member directive_line.
5895 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5896 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5897 do_pragma): Pass line to callbacks.
5898 (start_directive): Record line of directive.
5899 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5900 cb_include): Similarly.
5901 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5904 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5906 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5909 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5911 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5913 * reload1.c (fixup_abnormal_edges): New static function.
5916 * flow.c (need_fake_edge_p): New function.
5917 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5918 avoid call insn to be very last insn in the insn stream.
5920 * profile.c (branch_prob): Call flow_call_edges_add instead of
5921 doing that by hand; cleanup cfg to re-merge basic blocks once
5924 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5926 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5927 are also on line-map.h.
5928 * cppfiles.c (stack_include_file): Update.
5929 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5930 (_cpp_pop_buffer): New.
5931 * cppinit.c (cpp_destroy, cpp_finish): Update.
5932 (do_includes): Mark each buffer to return at EOF.
5933 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5934 return as requested.
5935 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5936 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5937 * cpplib.h (cpp_pop_buffer): Remove.
5938 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5939 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5941 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5943 (do_preprocessing): Update.
5944 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5945 * c-parse.in (_yylex): Similarly.
5946 * scan-decls.c (scan_decls): Similarly.
5947 * line-map.h: Update comments.
5949 * objc/Make-lang.in (objc-act.o): Update dependencies.
5951 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5953 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5954 and soft register for operand 0.
5955 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5957 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5959 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5960 register for operand 0.
5961 ("bitcmpqi_z_used"): Allow memory for operand 0.
5962 (split "bitcmpqi"): New split to handle address reg as operand 1.
5964 2001-08-04 Andreas Jaeger <aj@suse.de>
5966 * gcse.c: Revert Daniel's last patch.
5968 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5970 * sparc-protos.h: Add prototypes for fp_zero_operand and
5972 * sh-protos.h: Add prototype for fpul_operand.
5974 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5976 * doc/extend.texi (Other Builtins): Fix typo in last change.
5978 2001-08-03 Richard Henderson <rth@redhat.com>
5980 * target.h (gcc_target): Add asm_out.named_section,
5981 section_type_flags, have_named_sections.
5982 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5983 (TARGET_HAVE_NAMED_SECTIONS): New.
5984 (TARGET_SECTION_TYPE_FLAGS): New.
5986 * Makefile.in (toplev.o): Depend on TARGET_H.
5987 (varasm.o, dbxout.o): Likewise.
5988 * c-common.c (decl_attributes): Check targetm.have_named_sections
5989 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5990 * dbxout.c (dbxout_function_decl): Likewise.
5991 (dbxout_function_end): Likewise.
5992 * toplev.c (compile_file): Likewise.
5993 * varasm.c (exception_section): Likewise.
5994 * cp/decl2.c (finish_objects): Likewise.
5996 * defaults.h (EH_FRAME_SECTION): Remove.
5997 (EH_FRAME_SECTION_ASM_OP): Remove.
5998 (EH_FRAME_SECTION_NAME): New.
5999 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
6000 (UNIQUE_SECTION_P): Remove.
6001 * dwarf2out.c (SECTION_FORMAT): Remove.
6002 (ASM_OUTPUT_SECTION): Remove.
6003 (output_call_frame_info): Use named_section_flags.
6004 (output_comp_unit, dwarf2out_start_source_file): Likewise.
6005 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
6006 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
6007 * varasm.c (in_eh_frame, eh_frame_section): Remove.
6008 (named_section_flags): New.
6009 (named_section): Use it and targetm.section_type_flags.
6010 (resolve_unique_section): New.
6011 (assemble_start_function): Use it.
6012 (asm_emit_uninitialised, assemble_variable): Likewise.
6013 (default_section_type_flags): New.
6014 (default_no_named_section, default_elf_asm_named_section): New.
6015 (default_coff_asm_named_section, default_pe_asm_named_section): New.
6016 * output.h: Update varasm.c decls.
6017 (SECTION_*): New flags.
6019 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
6020 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
6022 * config/elfos.h (UNIQUE_SECTION_P): Remove.
6023 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
6024 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
6025 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6026 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6027 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6028 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6029 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6030 * config/pa/pa64-hpux.h,
6032 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6033 (TARGET_ASM_NAMED_SECTION): New.
6034 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6035 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6036 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6037 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6038 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6039 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6040 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6041 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6042 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6043 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6044 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6045 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6046 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6047 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6048 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6049 * config/sparc/sysv4.h: Likewise.
6051 * config/nextstep.h: Error until named sections implemented.
6053 * config/a29k/a29k.c (a29k_asm_named_section): New.
6054 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6055 (vms_section_type_flags, vms_asm_named_section): New.
6056 * config/arm/arm.c (arm_elf_asm_named_section): New.
6057 * config/avr/avr.c (asm_output_section_name): Remove.
6058 * config/avr/avr-protos.h: Update.
6059 * config/c4x/c4x.c (c4x_asm_named_section): New.
6060 * config/h8300/h8300.c (h8300_asm_named_section): New.
6061 * config/i386/i386.c (sco_asm_named_section): New.
6062 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6063 (i386_pe_section_type_flags): New.
6064 (i386_pe_asm_named_section): New.
6065 * config/i386/i386-protos.h: Update.
6066 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6067 * config/mcore/mcore.c (mcore_asm_named_section): New.
6068 * config/mips/mips.c (iris6_asm_named_section): New.
6069 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6070 instead of UNIQUE_SECTION_P.
6071 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6072 (xcoff_asm_named_section): New.
6073 * config/sh/sh.c (sh_asm_named_section): New.
6074 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6076 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6077 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6078 (EH_FRAME_SECTION_NAME): New.
6079 (EXCEPTION_SECTION): New.
6080 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6081 (DEBUG_*_SECTION): Remove.
6082 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6083 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6084 (EH_FRAME_SECTION_ASM_OP): Remove.
6086 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6087 (ASM_OUTPUT_SECTION_NAME): Remove.
6088 (TARGET_ASM_NAMED_SECTION): New.
6089 (TARGET_HAVE_NAMED_SECTIONS): New.
6090 (TARGET_SECTION_TYPE_FLAGS): New.
6091 (EH_FRAME_SECTION_ASM_OP): Remove.
6092 (EH_FRAME_SECTION_NAME): New.
6094 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6096 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6097 for complex expressions when cfun == 0.
6098 * doc/extend.texi: Document that __builtin_constant_p can be
6099 used in data initializers as well as functions.
6101 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6103 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6104 variable I locally, instead of expecting a declaration in the
6107 2001-08-03 Richard Henderson <rth@redhat.com>
6109 * except.c (collect_one_action_chain): Add an explicit cleanup
6110 action if regions surrounding a catch were encoded entirely
6111 within the call-site entry.
6113 2001-08-03 Richard Henderson <rth@redhat.com>
6115 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6116 don't take REGNO of a non-register.
6118 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6120 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6121 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6122 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6123 (__gthread_mutex_init_function): New function for mutex initialization.
6125 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6127 * Makefile.in: Revert screwed up commit.
6129 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6131 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6132 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6133 merged by linker script to get a final _exit().
6134 (__do_global_dtors): New for destructor handling in specific exit
6136 (__do_global_ctors): New for constructors in specific install section.
6137 (__map_data_section): Map data sections before running constructors.
6138 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6139 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6140 (DTORS_SECTION_ASM_OP): Likewise.
6141 (CTORS_SECTION_FUNCTION): Define to force a reference to
6143 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6145 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6147 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6149 * Makefile.in: Add df.h to gcse.c dependencies.
6151 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6153 * varasm.c (output_constant_def_contents): Use for the length of a
6154 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6155 depending on which is larger.
6157 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6159 * gcse.c: Include df.h for use as a dataflow analyzer.
6161 Declaration of reg_set_info: gone.
6162 New df_analyzer variable used by store motion.
6163 (reg_set_info): Deleted.
6164 (mark_mem_regs): New function, analyze regs used by a mem.
6165 (store_ops_ok): Use dataflow analyzer results to determine if
6166 necessary regs are changed in the block.
6167 (find_moveable_store): Remove check for symbol ref, we can handle
6168 much more complex expressions now.
6169 (compute_store_table): Remove most of the code, it's unnecessary
6170 now that the dataflow analyzer records the info for us.
6171 (store_killed_after): Add parameter to say whether to do the
6172 store_ops_okay test, used to speed up testing when we already know
6173 the answer, and just want to know if the store itself was killed.
6174 (build_store_vector): Largely rewritten to calculate the various
6175 vectors properly, and somewhat optimized.
6176 (store_motion): Init the df_analyzer, get REG_DEF chains.
6177 Also handle trapping expressions (since mems almost always trap)
6178 (simple_mem): Redefine what a simple mem is.
6180 2001-08-03 DJ Delorie <dj@redhat.com>
6182 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6183 set from a constant part of the condition.
6185 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6187 * mkdeps.c (deps_add_default_target): Make local variable
6188 ``start'' a const char pointer.
6189 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6191 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6193 * doc/install.texi (Configuration): Fix markup.
6194 (Specific, i?86-*-udk): Likewise.
6195 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6197 Document --enable-threads and --enable-libgcj status.
6198 (Specific, mips-sgi-irix*): Canonicalize triples.
6199 (Specific, mips-sgi-irix5): Warn about problems with this config.
6200 Mention required GNU as patch.
6201 Native assembler problems are fixed.
6202 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6203 Document --enable-threads and --enable-libgcj status.
6205 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6207 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6210 2001-08-03 Richard Henderson <rth@redhat.com>
6212 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6215 2001-08-03 Richard Henderson <rth@redhat.com>
6217 * rtlanal.c (find_first_parameter_load): Stop if we
6218 reach a CODE_LABEL at BOUNDARY.
6220 2001-08-03 Richard Henderson <rth@redhat.com>
6222 * config/alpha/alpha.md (force_movdi): New insn.
6223 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6224 Tweek FRP marking of VMS prologue insns.
6225 * config/alpha/vms.h (EPILOGUE_USES): New.
6227 2001-08-02 Richard Henderson <rth@redhat.com>
6229 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6231 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6233 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6234 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6235 config/convex/convex.h, config/d30v/d30v.c,
6236 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6237 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6238 config/mips/mips.h, config/mn10200/mn10200.h,
6239 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6240 config/v850/v850.h, config/vax/openbsd.h,
6241 config/vax/openbsd1.h, config/vax/ultrix.h,
6242 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6243 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6244 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6245 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6246 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6247 in comments and documentation.
6249 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6253 * Makefile.in (line-map.o): New.
6254 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6255 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6256 * cpperror.c (print_containing_files): Similarly.
6257 (print_location): Update. Don't output a space before _Pragma.
6258 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6259 (stack_include_filee, cpp_make_system_header): Update.
6260 (_cpp_execute_include): Get logical line number right for calling
6261 as-yet-unterminated #include.
6262 * cpphash.h (struct cpp_reader): Add line_maps.
6263 (_cpp_do_file_change): Update.
6264 * cppinit.c (cpp_create_reader): Initialize line maps.
6265 (cpp_destroy): Destroy line maps.
6266 (cpp_start_read): Get logical line number right.
6267 * cpplex.c (parse_string): Only warn once for multi-line strings.
6268 Use boolean variable for null warning.
6269 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6271 (do_include_common): End the directive early.
6272 (do_line): Don't warn about out-of-range lines in preprocessed
6273 source. Update. Remove unused variables.
6274 (_cpp_do_file_change): Update for new line mapping.
6275 (pragma_cb): New typedef.
6276 (cpp_register_pragma): Stop looking ahead before calling the
6278 (do_pragma_system_header): End directive early.
6279 (cpp_get_line_maps): New.
6280 (cpp_pop_buffer): Fudge logical line. Update.
6281 * cpplib.h: Include line-map.h
6282 (enum cpp_fc_reason): Remove.
6283 (struct cpp_file_change): Update.
6284 (cpp_get_line_maps): New.
6285 * cppmain.c (struct_printer): New member map.
6286 (cb_file_change): Update for new mappings.
6287 * fix-header.c (cb_file_change): Similarly.
6289 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6291 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6292 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6294 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6296 * config/vax/vax.c: include expr.h.
6298 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6300 * Makefile.in ($(srcdir)/configure): Only rebuild in
6302 ($(srcdir)/config.in): Only define in maintainer mode.
6303 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6305 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6307 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6309 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6311 * gcc.c (set_collect_gcc_options): New function, split out from
6313 Ignore elided switches.
6314 (do_spec_1): Invoke before executing command.
6315 (set_input): Export.
6316 Move declaration ...
6317 * gcc.h (set_input): ... here.
6318 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6321 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6324 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6326 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6328 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6330 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6331 for the unnamed instructions it expands to.
6333 2001-08-02 Richard Henderson <rth@redhat.com>
6335 * regclass.c (call_really_used_regs): Conditionally define.
6336 (init_reg_sets_1): Don't use it if not defined.
6337 (fix_register): Similarly, don't set it.
6339 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6341 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6342 Correct comment that had been missed in the previous change.
6344 2001-08-01 Stan Shebs <shebs@apple.com>
6346 * config/darwin.c (machopic_stub_name): Try matching by name.
6347 (update_stubs): New function.
6348 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6351 2001-08-01 Richard Henderson <rth@redhat.com>
6353 * except.c (output_function_exception_table): Use assemble_align.
6354 * varasm.c (assemble_eh_label): Remove.
6355 (assemble_eh_align, assemble_eh_integer): Remove.
6357 2001-08-01 Robert Lipe <robertl@caldera.com>
6359 * dwarfout.c: Remove reference to README.DWARF.
6361 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6363 * regclass.c (call_really_used_regs): New array for registers which
6364 are actually used by a call.
6365 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6367 (fix_register): Set call_really_used too.
6368 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6369 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6371 2001-08-01 Richard Henderson <rth@redhat.com>
6373 * read-rtl.c (read_name): Consider \r whitespace.
6375 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6377 * config.gcc: Recognize powerpc-*-netbsd*.
6379 * doc/install.texi (Host/target specific installation notes for
6380 GCC): Mention powerpc-*-netbsd*.
6382 * config/rs6000/netbsd.h: New file.
6383 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6384 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6385 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6386 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6387 (TARGET_VERSION): Redefine.
6389 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6390 mcall-netbsd as a match for mcall-sysv.
6391 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6392 (ncrti.S, ncrtn.S): New targets.
6393 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6395 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6396 "netbsd' as a V4 ABI.
6397 (ASM_SPEC): Check for -mcall-netbsd.
6398 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6399 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6400 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6401 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6402 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6403 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6404 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6406 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6407 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6409 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6411 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6412 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6413 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6414 including "unwind-pe.h".
6416 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6418 * rs6000.md (define_splits): Kill unused constraints.
6420 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6421 Jan Hubicka <jh@suse.cz>
6423 * function.c (thread_prologue_and_epilogue_insns): Kill code
6424 dealing with non-existent CFG.
6426 2001-08-01 Kazu Hirata <kazu@hxi.com>
6428 * alias.c: Fix comment formatting.
6429 * bitmap.c: Likewise.
6430 * builtins.c: Likewise.
6431 * calls.c: Likewise.
6432 * c-common.c: Likewise.
6433 * c-decl.c: Likewise.
6434 * c-dump.c: Likewise.
6435 * c-lex.c: Likewise.
6436 * collect2.c: Likewise.
6437 * combine.c: Likewise.
6438 * conflict.c: Likewise.
6439 * cppfiles.c: Likewise.
6440 * cppinit.c: Likewise.
6441 * cpplex.c: Likewise.
6442 * cpplib.c: Likewise.
6443 * cppmacro.c: Likewise.
6444 * cppspec.c: Likewise.
6445 * c-pragma.c: Likewise.
6446 * crtstuff.c: Likewise.
6448 * cselib.c: Likewise.
6449 * c-semantics.c: Likewise.
6450 * c-typeck.c: Likewise.
6452 2001-08-01 H.J. Lu <hjl@gnu.org>
6454 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6456 2001-08-01 H.J. Lu <hjl@gnu.org>
6458 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6460 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6462 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6463 contextualizing Objective-C class name lookup by the lexer.
6464 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6466 (protocoldef): Add support for forward @protocol declarations.
6467 (yylexname): Suppress ObjC class name lookup in certain contexts;
6468 re-enable after lookup is complete.
6469 (_yylex): Re-enable ObjC class name lookup when certain
6470 punctuation marks are seen.
6472 * objc/objc-act.c (check_protocol_recursively): New function used
6473 for finding circular dependencies in protocols.
6474 (objc_declare_protocols): New function for handling forward
6475 @protocol declarations.
6476 (receiver_is_class_object): Detect the case when 'self' is used
6477 inside of a class method.
6478 (build_message_expr): Issue a warning if class method is desired
6479 but instance method is found instead.
6480 (conforms_to_protocol): Streamline.
6481 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6482 protocol Foo, even if 'Bar foo' does not.
6483 (check_protocols): Streamline.
6484 (start_protocol): Add checks for circular and duplicate protocol
6486 (encode_aggregate_within): For typedefs of structs, encode the
6488 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6489 (objc_declare_protocols): New prototype.
6491 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6493 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6494 * cpplex.c (handle_newline): Update prototype. Maintain logical
6496 (skip_escaped_newlines, skip_block_comment, parse_string):
6498 (_cpp_lex_token): Update, and store token position within the token.
6499 * cpplib.h (struct cpp_token): Add line and column entries.
6500 * cppmacro.c (replace_args): Position stringified tokens correctly.
6502 2001-08-01 Andreas Jaeger <aj@suse.de>
6504 * basic-block.h: Add prototype for last_loop_beg_note.
6506 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6508 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6509 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6511 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6512 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6513 expand_decl_cleanup.
6514 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6516 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6517 operand while calling simple_cst_equal.
6518 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6519 operand is the cleanup expression, the third is the RTL_EXPR.
6520 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6522 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6524 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6526 2001-07-31 matthew green <mrg@eterna.com.au>
6528 * config.gcc (i386-*-netbsdelf): New description.
6529 * config/i386/netbsd-elf.h: New file.
6531 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6533 * loop.c (check_dbra_loop): Use single_set to compute
6536 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6538 PowerPC reorg and support for powerpc64-*-linux*.
6540 Also fixes emitting of constants on 32 bit and 64 bit
6543 * config.gcc: powerpc64-*-linux* is a new target.
6544 Things that needed aix.h now also include xcoff.h
6546 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6548 Move AIX specific stuff into aix.h.
6549 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6550 with more than just XCOFF now.
6551 (SET_ASM_OP): Remove, now defined where needed.
6552 (FUNCTION_PROLOGUE): New macro definition.
6553 (FUNCTION_EPILOGUE): New macro definition.
6554 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6556 * config/rs6000/xcoff.h: New file.
6558 * config/rs6000/linux64.h: New file.
6560 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6562 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6564 * rs6000.c (print_operand_address): Handle ELF syntax.
6565 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6566 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6567 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6569 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6571 * rs6000.c (rs6000_override_options): Only disable
6572 flag_function_sections for XCOFF.
6573 (exact_log2_cint_operand): New predicate.
6574 (reg_or_{add,sub}_cint64_operand): New predicates.
6575 (add_operand): Compare CONST_INT with fewer function calls.
6576 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6577 (print_operand, case 'p'): Ensure positive operand.
6578 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6579 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6580 (PREDICATE_CODES): Add new predicates.
6581 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6582 (divsi3, modsi3): Ensure positive power-of-2.
6583 (adddi3): Use new predicate. Split 32-bit constants more
6584 correctly. Re-arrange splitter to handle any constant.
6585 (subdi3): Use new predicate.
6586 (divdi3, moddi3): Ensure positive power-of-2.
6587 (movdi): Use rs6000_emit_set_const.
6588 (load_toc_v4_pic_di): Delete.
6590 2001-07-31 Graham Stott <grahams@redhat.com>
6592 * function.c (pad_below): Revert 2001-07-26 patch.
6594 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6596 * reg-stack (convert_regs_1): Fix best edge condition.
6598 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6600 * jump.c (duplicate_loop_exit_test): Better test for jumps
6601 entering the loop; create loop pre_header.
6603 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6605 * doc/install.texi: Add s390 and s390x as new targets.
6606 * doc/invoke.texi: Add documantation of S/390 and zSeries
6608 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6610 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6612 * config/m68k/m68k.md: Replace all general_operand with
6613 nonimmediate_operand for all destinations.
6614 * config/m68k/m68k.c (not_sp_operand): Likewise.
6616 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6618 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6620 2001-07-30 Richard Henderson <rth@redhat.com>
6622 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6623 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6625 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6627 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6628 Add missing doc strings
6629 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6630 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6632 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6634 * i386.c (ix86_output_main_function_alignment_hack): New function.
6635 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6637 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6638 edges by EDGE_DFS_BACK flag.
6639 (dump_edge_info): Add dfs_back flag.
6640 * basic-block.h (EDGE_DFS_BACK): New constant.
6641 (mark_dfs_back_edges): Declare.
6642 * alias.c (loop_p): Remove.
6643 (mark_constant_function): Use mark_dfs_back_edges.
6645 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6646 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6647 (compensate_edge): Break out from ...
6648 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6649 (convert_regs_2): Set block_done once block is really done;
6650 Do updating of the predecesors counts.
6652 * toplev.c (rest_of_compilation): Recompute block_for_insn
6653 before post-reload cfg_cleanup.
6654 * function.c (thread_prologue_epilogue_insns):
6655 Call set_block_for_new_insns when emitting prologue directly.
6657 2001-07-30 Andreas Jaeger <aj@suse.de>
6659 * jump.c: Add prototype for mark_modified_reg.
6661 * cse.c (set_live_p): Add unused attribute.
6663 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6665 (scan_for_source_files): Use long for count to avoid overflow.
6666 (output_data): Likewise.
6667 (output_data): Don't use string concatatenation to silence gcc
6670 * predict.c: Fix typos and grammar.
6672 * gcse.c (insert_insn_end_bb): Remove unused variables.
6674 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6676 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6677 (attempt_auto_inc): LIkewise.
6678 (mark_used_reg): Likewise.
6679 (try_pre_increment_1): Likewise.
6680 * regclass.c (regclass): Likewise.
6681 * global.c (allocno_compare): Update comment; change scaling factor.
6682 * local-alloc.c (QTY_CMP_PRI): Likewise.
6683 * regs.h (REG_FREQ_FROM_BB): New.
6684 (REG_FREQ_MAX): Likewise.
6686 2001-07-30 H.J. Lu <hjl@gnu.org>
6688 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6691 2001-07-30 H.J. Lu (hjl@gnu.org)
6693 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6694 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6695 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6697 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6699 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6700 as -mthumb-interwork when -mcpu=arm7 is specified.
6702 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6704 * predict.def (noreturn, loop branch, loop exit): Mark as first
6707 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6709 * combine.c (try_combine): Avoid barrier after noop jumps.
6711 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6713 * cpphash.h (struct cpp_reader): Remove import_warning.
6714 * cpplib.c (skip_rest_of_line): Don't bother turning off
6716 (parse_include): Move include handling to...
6717 (do_include_common): ... here. Move import warning from...
6718 (do_import): ... here.
6719 (do_pragma_poison): Don't do a callback for poison identifiers.
6720 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6721 * cppmain.c (setup_callbacks): Similarly.
6723 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6725 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6726 handle multiple sets.
6727 * except.c (sjlj_mark_call_sites): .... here.
6728 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6730 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6732 Suggested by Richard Henderson and Richard Kenner:
6733 * combine.c (recog_for_combine): Use the fake recog
6734 only if instruction does not match.
6735 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6736 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6738 * combine.c (try_combine): Discover noop jump as direct jump.
6740 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6742 * df.c (df_rd_global_compute): Add successors to worklist, not
6744 (df_ru_global_compute): Ditto.
6746 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6748 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6749 increment REG_N_SETS.
6751 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6753 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6755 * sbitmap.c (sbitmap_a_xor_b): New function.
6756 ifdef the basic block stuff on IN_GCC.
6758 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6760 * cppexp.c (parse_defined): Always record the macro name.
6761 (lex): Don't worry about identifiers, or special-case
6763 (_cpp_parse_expr): Figure out at the end of the routine
6764 whether we saw a valid !defined() expression.
6765 * cppfiles.c (stack_include_file): Update for mi_valid.
6766 (_cpp_pop_file_buffer): Similarly.
6767 * cpplex.c (_cpp_lex_token): Similarly.
6768 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6769 mi_if_not_defined, mi_lexed): Remove.
6771 * cpplib.c (do_if): Simplify.
6772 (do_endif, push_conditional, _cpp_handle_directive): Update
6773 for renaming of mi_state to mi_valid.
6775 * cpp.texi: Add index entries for digraphs, and add comment
6776 that C++ refers to them as alternative tokens.
6778 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6780 * basic-block.h (CLEANUP_PRE_LOOP): New.
6781 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6782 * sibcall.c (optimize_sibling_calls): Likewise.
6783 * toplev.c (rest_of_compilation): Likewise.
6784 * flow.c (try_forward_edges): Take argument MODE;
6785 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6786 (try_optimize_cfg): Update call of try_forward_edges.
6788 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6789 Jan Hubicka <jh@suse.cz>
6791 * (validate_replace_rtx_1): Fix simplification of MINUS.
6793 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6795 PR preprocessor/3669
6796 * cppinit.c (init_dependency_output): Turn off dump requests
6797 if sending dependencies to stdout.
6799 2001-07-28 Richard Henderson <rth@redhat.com>
6801 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6804 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6806 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6808 2001-07-28 Kazu Hirata <kazu@hxi.com>
6810 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6811 is VAR_DECL first to prevent an ICE.
6813 2001-07-28 Richard Henderson <rth@redhat.com>
6815 * varasm.c (immed_real_const_1): Don't elide special cases for
6817 (clear_const_double_mem): Clear const_tiny_rtx too.
6819 2001-07-28 Richard Henderson <rth@redhat.com>
6821 * dwarf2out.c (dw_val_class_offset): New.
6822 (struct dw_ranges_struct, dw_ranges_ref): New.
6823 (ranges_table, ranges_table_allocated): New.
6824 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6825 (add_AT_offset, add_ranges, output_ranges): New.
6826 (print_die, output_die): Handle dw_val_class_offset.
6827 (attr_checksum, size_of_die, value_format): Likewise.
6828 (gen_lexical_block_die): Handle non-contiguous blocks.
6829 (gen_block_die): Likewise.
6830 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6831 if needed. Dump the ranges table.
6832 * final.c (final_start_function): Remove unnecessary notes and
6833 rebuild the block tree before numbering the blocks.
6834 * function.c (reorder_blocks_0): Walk the existing block tree
6835 to unmark all blocks.
6836 (reorder_blocks_1): Create block fragments when duplicate block
6838 (reorder_fix_fragments): New.
6839 (reorder_blocks): Call it.
6840 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6842 2001-07-28 Richard Henderson <rth@redhat.com>
6844 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6846 2001-07-28 Richard Henderson <rth@redhat.com>
6848 * flow.c (add_to_mem_set_list): New function.
6849 (init_propagate_block_info): Use it.
6850 (mark_set_1): Likewise.
6851 (insn_dead_p): Canonicalize memory address for dead store
6852 comparison. Allow wider mode stores to kill narrower mode stores.
6853 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6854 (invalidate_mems_from_set): Don't handle MEMs.
6856 2001-07-28 Kazu Hirata <kazu@hxi.com>
6858 * config/h8300/h8300.h: Fix formatting.
6860 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6862 * basic-block.h (EDGE_FREQUENCY): New macro.
6863 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6865 * flow.c (find_sub_basic_blocks): Likewise.
6866 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6867 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6869 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6870 (HITRATE): New macro.
6871 (PRED_FLAG_FIRST_MATCH): New constant.
6872 (predictor_info): New field flgags.
6873 (combine_predictions_for_insn): Use DS theory to combine
6874 probabilities; set the edge probabilities when finished.
6875 (estimate_probability): Avoid duplicated matches
6876 of LOOP_BRANCH heuristics for nested loops; update comment.
6877 * predict.def: Add flags for each prediction, set probabilities
6878 according to B&L paper.
6879 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6881 * profile.c (compute_branch_probabilities): Cleanup way the edge
6882 probabilities are computed and REG_BR_PROB notes are dropped; if
6883 values does not match, emit error.
6884 (init_branch_prob): Do error instead of warning when profile driven
6885 feedback is missing or corrupt.
6887 2001-07-27 DJ Delorie <dj@redhat.com>
6889 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6890 against a constant, try to adjust the compare to have the desired
6891 constant in it so that min/max optimizations happen more often.
6893 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6895 * flow.c (last_loop_beg_note): New function.
6896 (redirect_edge_and_branch): Use it.
6897 (split_edge): Likewise.
6899 * alias.c (loop_p): Avoid uninitialized memory access.
6901 * flow.c (try_forward_edges): Avoid accessing freed memory.
6903 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6906 2001-07-26 Andrew Haley <aph@redhat.com>
6907 Joern Rennecke <amylaar@redhat.com>
6909 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6910 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6911 (SUBTARGET_CPP_SPEC): New.
6913 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6914 (SUBTARGET_CPP_PTR_SPEC): New.
6915 (CPP_DEFAULT_CPU_SPEC): New.
6916 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6917 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6918 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6919 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6920 (SUBTARGET_CPP_SPEC): Define as an empty string.
6922 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6924 * doc/install.texi (Configuration): Properly link the host
6925 specific instructions also when generating HTML.
6927 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6929 * flow.c (redirect_edge_and_branch_force): Test
6930 target->global_live_at_start.
6932 2001-07-26 Richard Henderson <rth@redhat.com>
6934 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6935 * rtl.h (avoid_constant_pool_reference): Declare it.
6936 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6937 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6939 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6941 * rtl.h (cleanup_barriers): Declare.
6942 * jump.c (cleanup_barriers): New function.
6943 * toplev.c (rest_of_compilation): Call cleanup_barriers
6944 before loop optimizer and after bb_reorder.
6946 * flow.c (back_edge_of_syntactic_loop_p): New.
6947 (split_edge): Use it.
6949 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6951 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6953 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6955 * cse.c (cse_process_notes): Replace any registers if the address
6958 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6960 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6961 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6962 (propagate_block): Update prototype.
6963 * flow.c (update_life_info): Simplify the CFG and
6964 recalculate the global regs which are alive when
6965 removing dead code during a global update.
6966 (propagate_block): Return non-zero if an INSN is
6969 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6971 * Makefile.in (LIBICONV): Define.
6973 2001-07-26 Catherine Moore <clm@redhat.com>
6975 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6976 of conditional to avoid tree checking errors.
6978 2001-07-26 Kazu Hirata <kazu@hxi.com>
6980 * regmove.c (regmove_optimize): Don't replace a reg with
6981 another reg of a different mode.
6983 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6985 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6986 limit length of dependancy flush list.
6987 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6988 * sched-int.h (struct deps): Add pending_flush_length field.
6989 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6990 has 1 element in it.
6991 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6992 (sched_analyze): After a jump, if the pending memory flush list is too
6993 large, flush the pending lists.
6994 (init_deps): Initialize pending_flush_length to 0.
6995 * doc/invoke.texi (max_pending_list_length): Document parameter.
6997 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6999 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
7000 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
7001 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
7003 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7005 * cpphash.h (struct_lexer_state): Delete was_skipping.
7006 Move skipping here from struct cpp_reader.
7007 * cpplex.c (parse_identifier): Update.
7008 (_cpp_lex_token): Don't skip tokens in a directive.
7009 * cpplib.c (struct if_stack): Update.
7010 (start_directive, end_directive): Don't change skipping state.
7011 (_cpp_handle_directive): Update.
7012 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
7013 (do_else, do_endif): Update; only check for excess tokens if not
7014 in a skipped conditional block.
7015 (push_conditional): Update for new struct if_stack.
7017 2001-07-26 Graham Stott <grahams@redhat.com>
7019 * function.c (locate_and_pad_parm): Also pad initial offset
7020 so that the total argument size also includes the padding.
7022 2001-07-26 Graham Stott <grahams@redhat.com>
7024 * gensupport.c (alter_output_for_insn): Correct enable checking failure
7025 change XSTR to XTMPL.
7027 (process_one_cond_exec): Likewise
7029 2001-07-25 Richard Henderson <rth@redhat.com>
7031 * varasm.c (assemble_variable): Create DECL_RTL before setting
7034 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7036 * predict.c (estimate_probability): Avoid duplicated predictions.
7038 * loop.c (find_and_verify_loops): Grok multiple barriers.
7040 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7042 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7044 * dbxout.c: Consistently use putc instead of fputc.
7045 (print_wide_int): New function; call instead of direct fprintf.
7046 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7047 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7048 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7049 (print_int_cst_octal): Likewise.
7050 (print_octal): Show we wrote characters.
7051 (dbxout_type): Set have_used_extensions in more places.
7053 2001-07-25 Catherine Moore <clm@redhat.com>
7055 * config/v850/v850.c (v850_va_arg): Use addr
7056 instead of valist to build incr.
7058 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7060 * flow.c (delete_dead_jumptables): New function.
7061 (life_analyzis): Call it.
7062 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7065 2001-07-25 Richard Henderson <rth@redhat.com>
7067 * except.c (reachable_handlers): Handle a region being removed
7068 out from under a RESX.
7070 2001-07-25 Richard Henderson <rth@redhat.com>
7072 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7073 swap GE/GT if it is an fp comparison.
7075 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7077 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7080 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7082 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7083 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7086 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7088 (visit_expression): When attempting to simplify an expression,
7089 retrieve any modes for arguments before they are simplified
7092 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7093 Janis Johnson <janis@us.ibm.com>
7095 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7096 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7097 pointer parameters to match documented usage of nonlocal_goto.
7098 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7099 parameters to their correct order.
7100 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7101 parameters to their correct order.
7103 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7105 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7107 2001-07-25 Jan Hubicka <jh@suse.cz>
7108 Richard Henderson <rth@redhat.com>
7110 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7112 (make_edges): New argument update_p; populate the edge cache if set.
7113 (find_basic_blocks): Update make_edges invocation.
7115 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7117 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7119 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7121 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7122 -Acpu and -Amachine.h.
7123 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7124 Corrected header to say ELF not a.out.
7125 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7126 when given -msoft-float.
7128 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7130 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7131 extra multilib parts like arm-elf.
7132 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7133 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7134 crtfini.o as extra multilib parts.
7136 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7138 * configure.in: Add rtems as a supported thread model.
7139 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7140 * configure: Rebuilt.
7142 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7144 * stor-layout.c (get_mode_alignment): make it work when
7145 BITS_PER_UNIT is not a power of two.
7146 * builtins.c (get_pointer_alignment): Likewise.
7148 2001-07-24 Richard Henderson <rth@redhat.com>
7150 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7151 the retrieved constant into the expected mode.
7153 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7155 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7156 (verify_flow_info): Check for duplicated edges; clarify
7159 * flow.c (block_label): Update basic_block_for_insn.
7160 (commit_edge_insertions): Call compute_bb_for_insn.
7162 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7165 * flow.c (redirect_edge_and_branch,
7166 try_optimize_cfg): Use redirect_edge_succ_nodup
7167 (redirect_edge_succ_nodup): New.
7168 * basic_block.h (redirect_edge_succ_nodup): Declare.
7170 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7173 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7175 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7176 (try_crossjump_to_edge): Update commetns.
7177 (try_crossjump_bb): Likewise.
7179 2001-07-24 Richard Henderson <rth@redhat.com>
7181 * combine.c (distribute_notes): Move set of need_refresh
7182 for noop_move_p down to catch all cases.
7184 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7186 * recog.c (split_all_insns_noflow): New.
7187 * rtl.h (split_all_insns_noflow): Declare.
7188 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7189 * m68hc11.c (m68hc11_reorg): Likewise.
7190 * sh.c (machine_dependent_reorg): Likewise.
7191 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7194 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7196 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7197 (ashlsi3_n splitter): Likewise.
7198 (lshrsi3_n splitter): Likewise.
7200 (GOTaddr2picreg): Make const SImode.
7201 (sym_label2reg): Likewise.
7202 (symGOT2reg): Likewise.
7203 (symGOTOFF2reg) Likewise.
7205 (casesi_worker_0): Make unspec SImode.
7207 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7209 * config/sh/sh.c (barrier_align): Check that an operand really is
7210 an insn before extracting its INSN_CODE.
7212 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7214 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7217 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7218 for SImode to prevent overflow.
7220 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7222 * config/mips/irix6-libc-compat.c: New file.
7223 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7224 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7227 2001-07-24 lars brinkhoff <lars@nocrew.org>
7229 * rtl.texi (REG_POINTER): Document.
7230 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7231 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7233 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7235 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7237 2001-07-23 Richard Henderson <rth@redhat.com>
7239 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7241 2001-07-23 Kazu Hirata <kazu@hxi.com>
7243 * config/h8300/h8300-protos.h: Add a prototype for
7244 general_operand_dst_push.
7245 * config/h8300/h8300.c (general_operand_dst_push): New.
7246 * config/h8300/h8300.h (OK_FOR_T): New.
7247 (EXTRA_CONSTRAINT): Use it.
7248 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7249 the existing movqi pattern.
7250 (movhi_push): Likewise.
7252 * reload.c: Fix comment typos.
7254 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7256 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7258 2001-07-23 H.J. Lu (hjl@gnu.org)
7260 * doc/extend.texi: Update __builtin_return_address and
7261 __builtin_frame_address.
7263 2001-07-23 Richard Henderson <rth@redhat.com>
7265 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7267 * config/i386/i386.md: New setcc+movzbl peephole2.
7269 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7271 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7272 * objc/objc-act.c: Include debug.h.
7273 (synth_module_prologue): Save and restore debug hooks too.
7275 2001-07-23 lars brinkhoff <lars@nocrew.org>
7277 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7278 and C4X_FLOAT_FORMAT.
7279 (BOOL_TYPE_SIZE): Document.
7281 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7283 * unroll.c (loop_iterations): Fix miscalculation of initial
7286 2001-07-13 Andrew Haley <aph@redhat.com>
7288 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7289 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7290 * config/sh/sh.c (sh_can_redirect_branch): New function.
7291 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7292 * reorg.c (steal_delay_list_from_target): Use
7293 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7295 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7297 * flow.c (try_simplify_condjump): Unlink insn chain on
7298 fallthru edge; use can_fallthru.
7300 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7302 * basic-block.h (find_sub_basic_block): Declare.
7303 * flow.c (make_edges): New arguments MIN and MAX;
7304 (find_sub_basic_blocks): Revamp to use make_edges
7305 and purge_dead_edges.
7306 (find_basic_blocks): Update call of find_sub_basic_block.
7308 * recog.c (split_all_insns): Always expect CFG to be consistent;
7309 call find_sub_basic_blocks in case something has changed.
7310 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7313 * basic-block.h (delete_noop_moves): Declare.
7314 * combine.c (combine_instructions): Call it.
7315 (recog_for_combine): Tolerate noop moves
7316 (distribute_notes): Force refresh when register dies at noop move.
7317 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7319 (life_analysis): Update delete_noop_moves call.
7320 (set_noop_p): Move too ...
7321 * rtlanal.c (noop_move_p): ... here.
7322 * rtl.h (noop_move_p): Declare.
7324 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7325 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7327 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7328 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7330 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7332 * reload.c (push_reload): Fix typo in comment.
7333 (find_reloads_address): Ditto.
7334 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7336 2001-07-22 Richard Henderson <rth@redhat.com>
7338 * flow.c: Grammar check and clarify a lot of comments.
7339 (try_simplify_condjump): Rename variables to be clearer.
7340 (try_forward_edges): Skip complex and fallthru edges.
7341 Rearrange tests to avoid duplicate checks.
7342 (flow_find_cross_jump): Likewise.
7343 (outgoing_edges_match): Allow match if neither branch has
7344 probability data. Loosen probability match to 5%.
7345 (try_crossjump_to_edge): Hoist repeated indirection into
7347 (try_crossjump_bb): Don't check complex edges. Eliminate
7348 redundant crossjump tests.
7349 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7350 checks before more expensive checks.
7352 2001-07-22 Richard Henderson <rth@redhat.com>
7354 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7355 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7358 2001-07-22 Richard Henderson <rth@redhat.com>
7360 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7361 (const_sint32_operand): Likewise.
7362 * m68k.md (anon mulsi pattern): Use const_int_operand not
7363 const_sint32_operand.
7364 (umulsi3_highpart): Zero extend a constant input.
7365 (smulsi3_highpart): Don't bother checking SImode constant.
7366 (const_umulsi3_highpart): Give op3 DImode.
7367 (const_smulsi3_highpart): Likewise.
7369 2001-07-22 Richard Henderson <rth@redhat.com>
7371 * flow.c (split_block): Make sure bb_note is included in the
7372 new block when splitting before a label.
7374 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7376 * basic-block.h (redirect_edge_and_branch_force,
7377 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7378 * flow.c (redirect_edge_and_branch_force,
7379 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7380 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7381 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7382 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7383 instead of label; update CFG after transformation.
7384 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7385 for finishing the transformation; handle even case where ELSE
7386 does not follow THEN.
7387 (find_if_case_2): Update call of dead_or_predictable; simplify
7390 * emit-rtl.c (split_branch_probability): New global variable.
7391 (try_split): Take care to set split_branch_probability and
7392 create REG_BR_PROB note for new jump insns.
7393 * md.texi (define_split): Document new feature.
7395 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7397 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7399 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7400 (asm_out_file): Remove redundant declaration.
7401 (assemble_asm): Remove old #if 0 block.
7402 (assemble_variable): Remove end of function; debug output is
7403 now handled with global_decl. Remove old #if 0 block. Update.
7404 Remove saved_in_section and associated no-op code.
7405 * Makefile.in (varasm.o): Correct dependencies.
7407 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7409 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7410 the definition in defaults.h.
7412 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7414 * jump.c: Update comments.
7415 (delete_barrier_successors, delete_unreferenced_labels,
7416 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7417 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7418 jump_optimize, jump_optimize_minimal): Kill.
7419 (rebuild_jump_labels): Move code from jump_optimize_1.
7420 (purge_line_number_notes): Likewise.
7421 (copy_loop_headers): Likewise.
7422 * reg-stack.c: Update comment.
7424 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7425 JUMP_AFTER_REGSCAN): Kill.
7426 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7427 purge_line_number_notes and copy_loop_headers.
7429 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7430 Richard Henderson <rth@redhat.com>
7432 * dbxout.c (dbxout_global_decl): New.
7433 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7434 * sdbout.c (sdbout_finish): New.
7435 (sdbout_debug_hooks): Use it, add comments.
7436 (sdbout_global_decl): Defer initialised public vars to
7438 * varasm.c (assemble_variable): Don't output debug information
7439 for file-scope variables.
7441 2001-07-22 Richard Henderson <rth@redhat.com>
7443 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7444 (get_round_mode_suffix): New.
7445 (print_operand): Use them for [/]. Remove support for [&'`()+].
7446 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7447 * config/alpha/alpha.md (attr round_suffix): New.
7448 (attr trap_suffix): New.
7449 (all insns): Set them appropriately. Use %/ instead of the
7452 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7454 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7456 2001-07-22 Richard Henderson <rth@redhat.com>
7458 * regrename.c (regrename_optimize): Compute nregs for each
7459 potential target register.
7461 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7462 Richard Henderson <rth@redhat.com>
7464 * dbxout.c (dbxout_global_decl): New.
7465 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7466 * sdbout.c (sdbout_finish): New.
7467 (sdbout_debug_hooks): Use it, add comments.
7468 (sdbout_global_decl): Defer initialised public vars to
7470 * varasm.c (assemble_variable): Don't output debug information
7471 for file-scope variables.
7473 2001-07-21 H.J. Lu (hjl@gnu.org)
7475 * config/mips/mips.c (mips_cpu): Moved into ...
7476 (override_options): Here.
7478 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7480 (mips_cpu): Removed.
7482 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7484 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7485 ("iorqi3"): Likewise.
7486 ("xorqi3"): Likewise.
7487 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7488 ("*subhi3_sp): Likewise.
7489 ("*subhi3"): Likewise.
7490 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7493 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7495 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7496 * config/freebsd.h: Likewise.
7497 * config/linux.h: Likewise.
7498 * config/openbsd.h: Likewise.
7499 * config/alpha/linux-elf.h: Likewise.
7500 * config/arm/linux-elf.h: Likewise.
7501 * config/d30v/d30v.h: Likewise.
7502 * config/fr30/fr30.h: Likewise.
7503 * config/ia64/aix.h: Likewise.
7504 * config/ia64/ia64.h: Likewise.
7505 * config/mips/linux.h: Likewise.
7506 * config/pj/pj.h: Likewise.
7507 * config/rs6000/linux.h: Likewise.
7508 * config/sparc/linux.h: Likewise.
7509 * config/sparc/linux64.h: Likewise.
7511 2001-07-20 Bruce Korb <bkorb@gnu.org>
7513 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7514 because getc() and char* may disagree on signedness.
7516 2001-07-20 Richard Henderson <rth@redhat.com>
7518 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7520 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7521 insns to delete in the presence of cc0 in a jump insn.
7523 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7524 Jan Hubicka <jh@suse.cz>
7526 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7527 of doing the change by hand.
7529 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7531 * rtlanal.c (set_noop_p): Return true for noop jumps.
7533 * expr.c (emit_single_push_insn): Add call to push expander.
7534 * expr.h (optab_index): Add OTI_push
7535 (push_optab): New constant.
7536 * genopinit.c (optabs): Add push_optab.
7537 * optabs.c (init_optab): Init push optab.
7538 * md.texi (push??1): Document
7540 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7542 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7543 expand to emit the pattern; put a REG_INC note for push/pop
7545 ("movdf", "movdf_internal"): Likewise.
7546 ("movsi", "movsi_internal"): Likewise.
7547 ("movsf", "movsf_internal"): Likewise.
7548 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7550 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7552 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7555 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7557 * params.def: Change default max inline insns to 100.
7559 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7561 * combine.c (combine_simplify_rtx): Generate a new shift operation
7562 when simplifying the first operand of a (neg (ashift)) expression.
7564 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7566 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7568 2001-07-20 Kelley Cook <kelley.cook@home.com>
7570 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7571 information. Move rest into ...
7572 (*-*-solaris): ... here. Eliminate redundant information and
7573 reword necessary packages section. Delete 4.x assembler bug info.
7574 (sparc-sun-*): Merge into ...
7575 (sparc-sun-sunos*): here.
7577 2001-07-20 Catherine Moore <clm@redhat.com>
7579 * config/v850/v850.md (casesi): Generate LABEL_REF
7582 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7584 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7585 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7586 * i386.md (strclrsi expander): Use it.
7588 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7590 * integrate.c (copy_insn_list): handle
7591 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7592 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7593 identically as to CODE_LABEL.
7595 * fold-const (fold): Convert A/B/C to A/(B*C) and
7598 * except.c (connect_post_landing_pads): Delete the RESX insns.
7600 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7602 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7604 * config/mips/mips.md (nmadd/nmsub): Use macro.
7606 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7608 * cppinit.c (remove_dup_dir): Make static.
7609 (remove_dup_dirs): Make static. Only warn about preempting a
7610 system directory with a non-system directory.
7612 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7614 * ifcvt.c (noce_try_store_flag_constants): Correct order
7615 of parameters to trunc_int_for_mode.
7617 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7619 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7620 an exception that will be caught within this function, do not fill
7621 its delay slot with any subsequent instruction.
7623 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7625 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7626 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7627 pointer extension instruction.
7628 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7629 * simplify-rtx.c (simplify_unary_operation) Likewise.
7630 * explow.c (convert_memory_address) Check value of
7631 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7633 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7634 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7635 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7636 Add Multilib Support.
7637 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7638 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7639 Add Multilib Support.
7640 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7642 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7643 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7644 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7646 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7648 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7649 old and new operands in `<', `3' and `b'.
7651 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7653 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7654 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7655 (toplev.o): Don't depend on xcoffout.h.
7656 * c-decl.c: Include debug.h
7657 (duplicate_decls): Use debug hook.
7658 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7659 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7660 (dbxout_types): Remove.
7661 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7662 * debug.c (do_nothing_debug_hooks): Update.
7663 (debug_true_tree, debug_nothing_rtx): New.
7664 * debug.h (struct rtx_def): New.
7665 (struct gcc_debug_hooks): New hooks ignore_block,
7666 outlining_inline_function and label.
7667 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7668 dwarf2out_frame_finish): New.
7669 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7670 Make static, update prototype.
7671 (dwarf2_debug_hooks): Update.
7672 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7673 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7674 * dwarfout.c (dwarf_debug_hooks): Update.
7675 * emit-rtl.c: Include debug.h.
7676 (remove_unnecessary_notes): Use debug hook.
7677 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7678 (final_scan_insn): Use debug hook.
7679 * integrate.c (output_inline_function): Use debug hook.
7680 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7681 (sdb_debug_hooks): Update.
7682 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7683 * toplev.c: Don't include xcoffout.h.
7684 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7685 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7687 * tree.h (dwarf2out_do_frame): Remove.
7689 2001-07-19 Catherine Moore <clm@cygnus.com>
7691 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7693 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7695 * reload1.c (eliminate_regs_in_insn): When updating a set
7696 to the frame pointer to the hardware frame pointer, perform
7697 the update always not just when REPLACE is set.
7699 * reload1.c (choose_reload_regs): Don't inherit a reload
7700 that crosses multiple registers if registers past the first
7701 don't fit in the desired class.
7703 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7704 when negating constants.
7706 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7708 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7709 * doc/tree.texi: Ditto.
7711 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7712 Jakub Jelinek <jakub@redhat.com>
7714 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7715 (extract_cie_info): Handle "eh" augmentation properly,
7717 (struct frame_state, __frame_state_for): New.
7719 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7721 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7722 HANDLE_SYSV_PRAGMA): Define.
7723 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7725 (copy_object): Caller changed.
7727 2001-07-19 Andreas Schwab <schwab@suse.de>
7729 * configure.in (assembler dwarf2 debug_line support): Define nop
7731 * configure: Regenerated.
7733 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7735 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7737 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7738 to conditionally compiled block.
7739 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7740 * dbxout.h (dbxout_function): Remove.
7741 * debug.c (do_nothing_debug_hooks): Update.
7742 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7743 global_decl, deferred_inline_function.
7744 * dwarf2out.c (dwarf2_debug_hooks): Update.
7745 (dwarf2out_global_decl): New.
7746 * dwarfout.c: Don't include dwarfout.h.
7747 (dwarfout_global_decl, dwarfout_function_decl,
7748 dwarfout_deferred_inline_function): New.
7749 (dwarf_debug_hooks): Update.
7750 * dwarfout.h: Remove.
7751 * final.c: Don't include dwarfout.h.
7752 * sdbout.c (sdbout_global_decl): New.
7753 (sdbout_debug_hooks): Update.
7754 * toplev.c: Don't include dwarfout.h.
7755 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7756 (note_deferral_of_defined_inline_function): Remove.
7757 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7758 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7759 * ch/lex.c: Don't include dwarfout.h.
7760 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7761 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7762 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7763 * cp/optimize.c: Include debug.h.
7764 (maybe_clone_body): Use debug hook.
7765 * cp/semantics.c: Include debug.h.
7766 (expand_body): Use debug hook.
7767 * po/POTFILES.in: Remove dwarfout.h.
7769 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7771 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7772 * c-parse.in (yyerror, _yylex): Similarly.
7773 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7774 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7776 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7777 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7779 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7781 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7782 in-class declaration at -g1. Fixes c++/2814.
7784 2001-07-18 Richard Henderson <rth@redhat.com>
7786 * doc/md.texi (reload_in/out): Document restrictions in predicates
7787 and constraints for these patterns. Document empty string matching
7790 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7792 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7794 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7796 * cse.c: Undo my previous patch.
7798 2001-07-18 Tom Tromey <tromey@redhat.com>
7801 * configure: Rebuilt.
7802 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7804 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7806 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7807 Jan Hubicka <jh@suse.cz>
7809 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7810 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7811 * jump.c (mark_jump_label): Do not forward branches.
7813 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7815 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7816 when return value is unused.
7818 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7820 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7822 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7824 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7825 on error. We can't blindly return the result of
7826 pthread_mutex_trylock because it returns a positive number on
7827 error, while we must return -1 on error.
7828 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7830 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7832 2001-07-18 Andreas Jaeger <aj@suse.de>
7834 * integrate.c (output_inline_function): Correct type of debug_hooks.
7836 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7838 * combine.c (combine_simplify_rtx): DIV can be treated
7839 associatively for floats if unsafe math optimisations are enabled.
7841 2001-07-17 Richard Henderson <rth@redhat.com>
7843 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7845 2001-07-17 Richard Henderson <rth@redhat.com>
7847 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7848 don't force the function address into a register.
7849 (expand_call, emit_library_call_value_1): Update callers.
7850 * builtins.c (expand_builtin_apply): Likewise.
7851 * expr.h (prepare_call_address): Update decl.
7853 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7855 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7857 * config/i386/chorus.h: Move up.
7858 * config/sparc/chorus.h: Likewise.
7859 * config/rs6000/chorus.h: Likewise.
7860 * config/chorus.h: Moved here.
7862 2001-07-17 Andreas Schwab <schwab@suse.de>
7864 * configure.in (assembler eh_frame optimization): Handle big
7866 * configure: Regenerated.
7868 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7870 * expr.c (epxand_expr): Convert divisions into multiplications by
7871 reciprocals if -ffast-math.
7873 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7875 * dbxout.c (dbxout_really_begin_function): Rename to
7876 dbxout_begin_function.
7877 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7878 (dbxout_begin_function): Remove.
7879 (dbxout_function): Update.
7880 (dbxout_source_line): Update prototype.
7881 * dbxout.h (dbxout_begin_function): Remove.
7882 * debug.c (do_nothing_debug_hooks): Update.
7883 (debug_nothing_tree): Update.
7884 (debug_nothing_charstar_rtx): Remove.
7885 * debug.h (union tree_node): Declare.
7886 (struct rtx_def): Remove.
7887 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7888 begin_function. Change source_line prototype.
7889 (debug_nothing_tree): New.
7890 (debug_nothing_charstar_rtx): Delete.
7891 (dwarf2out_begin_prologue): Moved from ...
7893 * dwarf2out.c (dwarf2_debug_hooks): Update.
7894 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7895 debug info, call dwarf2out_source_line.
7896 (dwarf2out_souce_line): Update prototype.
7897 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7898 Change prototype, make static.
7899 (dwarfout_source_line): Update prototype.
7900 (dwarf_debug_hooks): Update.
7901 * dwarfout.h (dwarfout_begin_function): Remove.
7902 * final.c (final_start_function, final_scan_insn): Use appropriate
7903 debug hooks, update to use notice_source_line.
7904 (output_source_line): Rename notice_source_line. Don't call the
7905 source_line debug hook.
7906 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7907 make static, update prototype.
7908 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7910 (sdbout_end_prologue): New.
7911 (sdbout_source_line): Update prototype.
7912 (sdbout_debug_hooks): Update.
7913 (sdbout_symbol): Remove unused var.
7914 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7916 * varasm.c: Include debug.h.
7917 (assemble_start_function): Use begin_function debug_hook.
7918 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7919 update with prototype.
7920 (xcoffout_source_line): Update prototype.
7921 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7923 (xcoffout_source_line): Update prototype.
7925 2001-07-17 Richard Henderson <rth@redhat.com>
7927 * c-typeck.c (build_binary_op): Do not shorten unsigned
7928 right shift after sign extension.
7930 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7932 * combine.c (combine_simplify_rtx): Attempt to simplify
7933 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7935 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7936 (simplify_binary_operation, simplify_unary_operation,
7937 simplify_relational_operation): Use it.
7939 * combine.c (combine_simplify_rtx): Don't do associative law
7940 on divisions; allow associative law on floats.
7942 2001-07-17 H.J. Lu <hjl@gnu.org>
7943 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7945 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7946 ASM_OUTPUT_WEAK_ALIAS are defined.
7947 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7948 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7950 * config/mips/iris5.h: ... here.
7951 (HANDLE_SYSV_PRAGMA): Defined as 1.
7952 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7953 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7956 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7958 * c-parse.in (all_prefix_attributes): New variable.
7959 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7960 (maybe_resetattrs): New production.
7961 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7962 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7963 notype_initdcl, nested_function, notype_nested_function,
7964 component_decl, components, components_notype,
7965 component_declarator, component_notype_declarator,
7966 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7967 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7968 after a comma being applied to more than one declarator.
7969 * doc/extend.texi (Attribute Syntax): Update. Remove
7970 documentation of bugs that are no longer present.
7972 2001-07-13 Eric Christopher <echristo@redhat.com>
7974 * config/mips/mips.h: Change TUNE_MIPS* options to use
7976 (EXTRA_SPECS): Add cc1_cpu_spec.
7977 * config/mips/mips.md (muldf3): Fix typo.
7979 2001-07-16 Richard Henderson <rth@redhat.com>
7981 * config/m68k/m68k.c: Include expr.h and reload.h.
7982 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7983 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7985 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7986 Richard Henderson <rth@redhat.com>
7988 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7989 (insn_live_p): Fix fall off end of function.
7990 (dead_libcall_p): Remove COUNTS argument; update callers.
7991 (delete_trivially_dead_insns): Remove unused variables.
7993 2001-07-17 Andreas Jaeger <aj@suse.de>
7995 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7998 * lcm.c (optimize_mode_switching): Avoid warning for unused
7999 variable if !NORMAL_MODE.
8001 * flow.c (try_crossjump_to_edge): Remove unused variable.
8003 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
8005 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
8006 atexit declaration in stdlib.h.
8008 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
8010 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
8012 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8014 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
8015 * except.c (finish_eh_generation): Update call of cleanup_cfg;
8016 do rebuild_jump_labels instead of jump_optimize
8017 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
8018 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
8019 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
8021 * flow.c: Include timevar.h
8022 (find_basic_block): Push/pop timevar;
8023 (cleanup_cfg): Likewise.
8024 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
8025 * Makefile: Add dependencies on timevar.h
8027 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8028 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8030 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8031 * toplev.c (rest_of_compilation): Update calls.
8032 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8033 (delete_trivially_dead_insns): ... here; accept new argument
8034 preserve_basic_blocks; preserve basic blocks if set.
8036 * reg-stack.c (stack_regs_mentioned): Return 0 if
8037 stack_regs_mentioned_data is not initialized.
8038 (reg_to_stack): Make stack_regs_mentioned survive after the
8039 reg-stack is completted; do not call cleanup_cfg.
8040 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8041 make cleanup_cfg after bb-reorder to output to debug file.
8043 2001-07-16 Richard Henderson <rth@redhat.com>
8045 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8046 from int_reg_class_contents.
8048 2001-07-16 Richard Henderson <rth@redhat.com>
8050 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8051 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8052 (init_reg_sets_1): Move initialization from cse_main.
8053 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8054 (cse_main): Move its initialization also.
8055 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8056 * flow.c (propagate_one_insn): Likewise.
8057 * gcse.c (compute_hash_table): Likewise.
8058 (compute_kill_rd, compute_store_table): Likewise.
8059 * sched-deps.c (sched_analyze_1): Likewise.
8061 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8063 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8066 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8068 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8069 in if statement so we don't access undefined memory.
8071 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8073 * gcse.c: Update comment at top.
8074 Update comment on mem handling.
8075 mem_last_set, mem_first_set, mem_set_in_block: gone.
8076 Declaration of reg_set_info: gone.
8077 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8078 pointless with load_killed_in_block_p (they are *more*
8079 conservative then it, not less, and less accurate).
8080 (oprs_not_set_p): Ditto.
8081 (alloc_gcse_mem): Don't allocate mem_set_in_block
8082 (free_gcse_mem): Don't free it, either.
8083 (record_last_mem_set_info): Update comment in front, remove
8084 mem_*set_* stuff. Note the reason we don't handle stores directly
8086 (compute_hash_table): Update comments to reflect reality. Remove
8087 mem_*set_* references.
8088 (reset_opr_set_tables): Remove mem_*set_* references.
8090 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8091 (mark_clobber): Ditto (on both parts, we double set here too).
8092 (expr_killed_p): Remove mem_set_in_block test.
8093 (compute_transp): Remove mem_set_in_block test.
8095 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8096 of edge, and removal of phi alternative to dump file.
8097 (ssa_ccp_substitute_constants): Add note about register now being
8098 constant, and which uses were replaced in what insns to dump file.
8100 2001-07-16 Andreas Jaeger <aj@suse.de>
8102 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8103 variables of type HOST_WIDEST_INT.
8105 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8106 (__bb_exit_func): Correct type of count_max to avoid overflow.
8107 (num_digits): Handle long long argument.
8109 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8111 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8113 * output.h (sdb_begin_function_line): Restore as an extern
8115 * sdbout.c (sdb_begin_function_line): Make extern.
8117 2001-07-15 Richard Henderson <rth@redhat.com>
8119 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8120 * genrecog.c (maybe_both_true_mode): New.
8121 (maybe_both_true_2): Use it.
8122 (write_switch): Don't put Pmode in a switch.
8123 * rtl.c (mode arrays): Don't explicitly size them.
8125 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8127 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8128 handling; move unconditional splitting before mode switching.
8130 * i386.md (type): Add fistp type.
8131 (i387, length_attr, scheduling definitions): Handle this type.
8132 (fix_trunc?f?i2): Revamp to use mode switching.
8133 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8134 * i386.h (fp_cw_mode): New enum
8135 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8136 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8138 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8140 * Makefile.in (integrate.o): Add debug.h.
8141 * integrate.c (debug.h): Add.
8142 (output_inline_function): Save, reset, and restore debug_hooks.
8144 2001-07-15 Richard Henderson <rth@redhat.com>
8146 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8147 instead of COMPARE for the EQUIV expression.
8149 2001-07-15 Richard Henderson <rth@redhat.com>
8151 * flow.c (redirect_edge_and_branch_force): Initialize
8152 global_live_at_start and global_live_at_end.
8153 (allocate_bb_life_data): Export.
8154 * basic-block.h (allocate_bb_life_data): Declare.
8155 * toplev.c (rest_of_compilation): Call it.
8157 2001-07-15 Richard Henderson <rth@redhat.com>
8159 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8160 (alpha_tablejump_best_label): New.
8161 * config/alpha/alpha-protos.h: Declare them.
8162 * config/alpha/alpha.md: Use braced strings for code blocks.
8163 (tablejump_osf): Break out add with r29.
8164 (tablejump_osf_internal): Remove.
8165 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8166 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8168 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8170 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8173 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8175 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8176 (ix86_fp_jump_nontrivial_p): New.
8177 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8178 use ix86_fp_jump_nontrivial_p.
8179 * i386.c (ix86_fp_jump_nontrivial_p): New.
8180 (ix86_split_fp_branch): Accept code instead of rtx.
8181 (ix86_expand_compare): Expand comparison early in case
8182 doing so is resonably cheap.
8184 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8186 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8188 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8189 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8191 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8193 * dbxout.c (dbxout_source_line): Make static, update prototype.
8194 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8195 (dbxout_init, dbxout_finish, dbxout_source_line,
8196 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8197 * dbxout.h (dbxout_source_line): Delete.
8198 * debug.c (debug_nothing_file, debug_nothing_file_int,
8199 debug_nothing_file_charstar_rtx): New.
8200 (do_nothing_debug_hooks): Update.
8201 (debug_nothing_void, debug_nothing_charstar_rtx,
8202 dwarf2out_end_epilogue): New.
8203 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8204 * debug.h (struct rtx_def): Declare.
8205 (gcc_debug_hooks): New hooks source_line, end_epilogue
8207 (debug_nothing_void, debug_nothing_charstar_rtx,
8208 dwarf2out_end_epilogue): New.
8209 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8210 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8211 (dwarf2_debug_hooks): Update.
8212 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8213 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8214 * dwarf2out.h (dwarf2out_source_line): Remove.
8215 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8216 Make static, update prototype.
8217 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8218 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8219 (dwarf_debug_hooks): Update.
8220 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8221 dwarfout_end_function): Remove.
8222 * final.c (profile_function): Use debug hooks for ending functions
8224 (output_source_line, final_end_function): Update prototype,
8226 (final_start_function, final_scan_insn): Update.
8227 * output.h (sdb_begin_function_line): Remove.
8228 (final_end_function): Update prototype.
8229 * sdbout.c (sdb_begin_function_line): Make static.
8230 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8231 (sdbout_source_line): New.
8232 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8234 (sdb_debug_hooks): Update.
8235 (sdbout_init, sdbout_source_line,
8236 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8237 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8238 * toplev.c (compile_file, rest_of_compilation): Update.
8239 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8240 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8241 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8242 Update for prototype changes.
8243 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8244 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8246 2001-07-15 Richard Henderson <rth@redhat.com>
8248 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8249 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8250 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8251 * config/alpha/alpha.c: Likewise.
8252 * config/alpha/alpha.md: Likewise.
8253 * config/alpha/alpha32.h: Likewise.
8254 * config/alpha/vms.h: Likewise.
8257 2001-07-14 Richard Henderson <rth@redhat.com>
8259 * config/alpha/alpha.md: Use define_constants for unspec values.
8260 Substitute throughout.
8262 2001-07-14 Tim Josling <tej@melbpc.org.au>
8264 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8266 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8268 * pa.md: Remove unused constraints from define_split's.
8270 2001-04-14 Richard Henderson <rth@redhat.com>
8272 * ifcvt.c (find_cond_trap): Test for exit block.
8274 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8276 Re-install recently reverted patch.
8277 * emit-rtl.c (try_split): Update mark_jump_label call.
8278 * flow.c (find_sub_basic_blocks): Likewise.
8279 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8281 (mark_all_labels): Kill second parameter.
8282 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8283 (rebuild_jump_labels, jump_optimize_minimal): Update call
8285 (jump_optimize_1): Kill crossjumping code.
8286 (mark_jump_label): Kill cross_jump parameter.
8287 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8288 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8289 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8291 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8293 (dump_file_info): Likewise.
8294 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8295 reorganize passes to do reg-stack first, bb-reorder second.
8296 * invoke.texi (-d letters doc): Remove the jump2 pass.
8298 2001-07-14 Richard Henderson <rth@redhat.com>
8300 * ifcvt.c (find_cond_trap): New.
8301 (find_if_header): Call it.
8302 (merge_if_block): Relax existing jump sanity check.
8303 * jump.c (jump_optimize_1): Remove conditional trap handling.
8305 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8307 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8309 (insn_refs_are_delayed): Correct comment.
8310 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8311 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8312 instead of r31. Make associated insn !TARGET_64BIT, and
8313 provide an additional 64-bit insn that clobbers r2.
8315 (udivsi3): Likewise.
8317 (umodsi3): Likewise.
8319 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8321 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8323 * flow.c (redirect_edge_and_branch_force, split_edge,
8324 try_crossjump_to_edge): Use set_block_for_new_insns.
8325 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8327 2001-07-13 H.J. Lu (hjl@gnu.org)
8329 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8332 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8334 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8336 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8338 * c-common.c (decl_attributes): Take a pointer to the node to
8339 which attributes are to be attached, and a flags argument.
8340 * c-common.h (enum attribute_flags): New.
8341 (decl_attributes): Update prototype.
8342 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8343 finish_enum, start_function): Update calls to decl_attributes.
8344 * c-parse.in (component_declarator, component_notype_declarator,
8345 label): Update calls to decl_attributes.
8347 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8349 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8350 * config/avr/avr.c (legitimate_address_p): Return value changed
8351 from letter to register classes. For better debugging.
8353 2001-07-13 Kazu Hirata <kazu@hxi.com>
8355 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8357 2001-07-13 H.J. Lu (hjl@gnu.org)
8359 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8361 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8363 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8364 correctly for shared configurations.
8365 * config/t-libgcc-pic: New.
8366 * config/{i386,m68k,sparc}/t-openbsd: New.
8367 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8368 Support -shared. Support debugging libraries with -g.
8369 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8370 frame information does not emit pointer diffs.
8371 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8374 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8376 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8378 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8380 * combine.c (try_combine): Ensure const_int pow2 is positive.
8382 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8384 * config.gcc: Add configuration for s/390.
8385 * config/s390/s390.c: New. Subroutines for code generation.
8386 * config/s390/s390.h: New. Definitions for s/390.
8387 * config/s390/s390-protos.h: New. Prototypes.
8388 * config/s390/linux.h: New. Definitions for linux for s/390.
8389 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8390 * config/s390/t-linux: New. Makefile fragment.
8391 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8392 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8394 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8396 * emit-rtl.c (try_split): Update mark_jump_label call.
8397 * flow.c (find_sub_basic_blocks): Likewise.
8398 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8400 (mark_all_labels): Kill second parameter.
8401 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8402 (rebuild_jump_labels, jump_optimize_minimal): Update call
8404 (jump_optimize_1): Kill crossjumping code.
8405 (mark_jump_label): Kill cross_jump parameter.
8406 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8407 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8408 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8410 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8412 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8413 reorganize passes to do reg-stack first, bb-reorder second.
8414 * invoke.texi (-d letters doc): Remove the jump2 pass.
8416 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8418 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8420 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8422 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8424 (verify_flow_info): Make diagnostics prettier.
8426 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8428 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8430 * flow.c (outgoing_edges_match): Return early if condition reversal
8433 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8435 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8436 (mips_move_2words): When splitting a move into two instructions,
8437 prefix the second address operand with '%D'.
8439 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8441 * Makefile.in (final.o): Depend on debug.h.
8442 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8443 (dbx_debug_hooks): Add new hooks.
8444 (xcoff_debug_hooks): New.
8445 * debug.c (debug_nothing_file_int_int): New.
8446 (do_nothing_debug_hooks): Update.
8447 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8448 (debug_nothing_file_int_int): New.
8449 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8450 static, update prototype.
8451 (dwarf2_debug_hooks): Update.
8452 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8453 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8454 static, update prototype.
8455 (dwarf_debug_hooks): Update.
8456 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8457 * final.c: Include debug.h.
8458 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8459 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8460 static, update prototype.
8461 (sdb_debug_hooks): Update.
8462 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8463 * toplev.c: Distinguish between xcoff and dbx.
8465 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8466 Call all debug hooks, not just dwarf ones.
8468 2001-07-11 Timothy Wall <twall@redhat.com>
8470 * config.gcc: Add configuration for AIX5/IA64.
8471 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8472 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8473 support prefix/suffix code.
8474 * config/ia64/t-aix: New. Makefile fragment.
8475 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8477 2001-07-11 Kazu Hirata <kazu@hxi.com>
8479 * recog.c (validate_change): Fix a comment typo.
8481 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8483 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8484 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8486 * dbxout.c (dbx_debug_hooks): Add new hooks.
8487 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8489 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8491 * dbxout.h (dbxout_start_new_source_file,
8492 dbxout_resume_previous_source_file): Delete.
8493 * debug.c (do_nothing_debug_hooks): Add new hooks.
8494 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8495 (debug_nothing_int_charstar, debug_nothing_int): New.
8496 * debug.h (gcc_debug_hooks): New hooks define, undef,
8497 start_source_file and end_source_file.
8498 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8499 (debug_nothing_int_charstar, debug_nothing_int): New.
8500 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8501 the conditionally compiled section.
8502 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8503 dwarf2out_define, dwarf2out_undef): Make static.
8504 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8505 dwarf2out_define, dwarf2out_undef): Remove.
8506 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8507 (dwarfout_start_source_file, dwarfout_end_source_file,
8508 dwarfout_define, dwarfout_undef): Make static.
8509 (dwarfout_start_source_file_check,
8510 dwarfout_end_source_file_check): New.
8511 (dwarfout_define, dwarfout_finish): Update.
8512 * dwarfout.h (dwarfout_start_new_source_file,
8513 dwarfout_resume_previous_source_file, dwarfout_define,
8514 dwarfout_undef): Remove.
8515 * sdbout.c (sdb_debug_hooks): Add new hooks.
8516 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8518 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8519 make static, take an arg.
8520 * sdbout.h (sdbout_start_new_source_file,
8521 sdbout_resume_previous_source_file): Delete.
8522 * toplev.c (debug_start_source_file, debug_end_source_file,
8523 debug_define, debug_undef): Delete.
8524 * toplev.h (debug_start_source_file, debug_end_source_file,
8525 debug_define, debug_undef): Delete.
8527 * java/jcf-parse.c: Include debug.h.
8528 (parse_class_file): Update to use debug hooks directly.
8529 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8531 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8533 * alias.c (set_mem_alias_set): New function.
8534 * rtl.h (set_mem_alias_set): Declare it.
8535 * builtins.c (expand_builtin_return_addr): Call it instead of
8536 using MEM_ALIAS_SET accessor.
8537 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8538 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8539 (expand_builtin_va_copy):Likewise.
8540 * caller-save.c (setup_save_areas): Likewise.
8541 * calls.c (compute_argument_addresses): Likewise.
8542 * explow.c (set_mem_attributes): Likewise.
8543 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8544 (expand_assignment, store_constructor_field, store_field): Likewise.
8545 (expand_expr_unaligned): Likewise.
8546 * function.c (assign_stack_temp_for_type): Likewise.
8547 (put_reg_into_stack, gen_mem_addressof): Likewise.
8548 * ifcvt.c (noce_try_cmove_arith): Likewise.
8549 * reload1.c (reload, alter_reg): Likewise.
8550 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8551 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8552 (alpha_expand_unaligned_store): Likewise
8553 (alpha_expand_unaligned_load_words): Likewise.
8554 (alpha_expand_unaligned_store_words): Likewise.
8555 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8556 (alpha_expand_epilogue): Likewise.
8557 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8558 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8559 * config/i386/i386.c (legitimize_pic_address): Likewise.
8560 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8561 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8562 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8563 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8564 * config/mips/mips.c (mips_va_arg): Likewise.
8565 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8566 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8567 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8568 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8569 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8570 (rs6000_emit_epilogue): Likewise.
8571 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8572 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8573 * config/v850/v850.c (v850_va_arg): Likewise.
8575 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8577 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8578 when fallthru edge is present.
8579 (mege_blocks): Handle case where creation of jump insn
8582 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8583 CLEANUP_POST_REGSTACK): New constants.
8584 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8585 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8586 * output.h (cleanup_cfg): Update prototype.
8587 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8588 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8589 cleanup_cfg call; kill missleading comment.
8590 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8591 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8592 parameter; control optimizations performed using it.
8593 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8594 try_crossjump_bb): New functions.
8596 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8598 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8600 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8601 pa_output_function_prologue.
8602 * pa-protos.h (pa_output_function_prologue): New prototype.
8604 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8606 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8607 and low to get correct sign extension in low+high test.
8609 2001-07-11 Janis Johnson <janis@us.ibm.com>
8611 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8612 for large hit count.
8614 * profile.c (branch_prob): Fix .bbg info for computed gotos
8617 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8619 * stmt.c (parse_output_constraint): New function, split out
8621 (expand_asm_operands): ... here. Use parse_output_constraint.
8622 * tree.h (parse_output_constraint): Declare it.
8624 2001-07-11 Richard Henderson <rth@redhat.com>
8626 * bitmap.c: Comment some functions; fiddle whitespace.
8627 (bitmap_free): Don't export.
8628 (bitmap_element_allocate): Use memset.
8629 * bitmap.h (bitmap_free): Don't declare.
8631 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8633 * gcse.c, lcm.c, sched-deps.c:
8634 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8636 * flow.c (flow_loops_find): Free dom if we found no loops, since
8637 we aren't going to save it.
8639 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8642 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8644 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8646 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8648 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8649 #ifndef DWARF2_DEBUGGING_INFO.
8651 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8653 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8655 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8657 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8658 reverse a branch if a NE comparison is implemented with GTU.
8660 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8661 H.J. Lu <hjl@gnu.org>
8663 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8665 (call_internal2): Likewise.
8666 (call_value_internal1): Likewise.
8667 (call_value_internal2): Likewise.
8668 (call_value_multiple_internal1): Likewise.
8669 (call_value_multiple_internal2): Likewise.
8671 2001-07-10 Kazu Hirata <kazu@hxi.com>
8673 * calls.c (emit_library_call_value_1): Fix a comment typo.
8674 * dwarf2out.c (mem_loc_descriptor): Likewise.
8675 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8677 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8679 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8681 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8683 * recog.c (offsettable_address_p): Handle LO_SUM case.
8684 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8685 instead of plus_constant.
8687 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8689 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8690 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8692 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8694 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8695 adjust_address_nv instead of plus_constant.
8697 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8699 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8700 dwarf2out.o): Depend on debug.h, wrap long lines.
8701 * dbxout.c: Include debug.h.
8702 (dbx_debug_hooks): New.
8703 (dbxout_init): Make static, take just 2 args.
8704 (dbxout_finish): Make static.
8705 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8706 * debug.c: New file.
8707 * debug.h: New file.
8708 * dwarf2out.c: Include debug.h.
8709 (dwarf2_debug_hooks): New.
8710 (dwarf2out_init): Make static.
8711 (dwarf2out_finish): Make static, take 2 args.
8712 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8713 * dwarfout.c: Include debug.h.
8714 (dwarf_debug_hooks): New.
8715 (dwarfout_init): Make static.
8716 (dwarfout_finish): Make static, take 2 args.
8717 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8718 * sdbout.c: Include debug.h.
8719 (sdb_debug_hooks): New.
8720 (sdbout_init): Make static, take 2 args.
8721 * sdbout.h (sdbout_init): Delete.
8722 * toplev.c: Include debug.h.
8724 (compile_file): Set deubg_hooks based on command line options.
8725 Use the hooks unconditionally rather than conditional compilation.
8727 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8729 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8730 first_insn_after_basic_block_note instead.
8732 * df.c (df_bb_refs_unlink): #if 0 out for now.
8734 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8736 * ssa.h: Add prototype for ssa_const_prop
8737 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8738 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8739 (ssa_fast_dce): Remove unused variable
8741 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8743 * diagnostic.c (finish_diagnostic): Rename to
8744 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8747 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8749 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8752 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8753 (dump_file): Only pad the demangled name with spaces if the
8754 mangled name was padded with spaces.
8756 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8758 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8761 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8763 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8764 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8767 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8768 whether can put offset inside LO_SUM to check mode alignment, not size.
8770 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8772 * doc/tm.texi (Misc): Fix thinko.
8774 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8776 * regmove.c (replace_in_call_usage): Fix warnings.
8777 * sched-deps.c (add_dependence): Fix warnings.
8778 * simplify-rtx.c (simplify_subreg): Likewise.
8779 Return NULL_RTX instead of NULL.
8781 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8782 (subst_asm_stack_regs): Likewise.
8784 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8787 * dwarf2out.c (output_call_frame_info): Declare i as int.
8788 (build_abbrev_table): Declare n_alloc as int.
8789 (dwarf2out_finish): Initialize die.
8790 * except.c: Declare sjlj_funcdef_number as unsigned.
8791 (connect_post_landing_pads): Declare j as unsigned.
8792 (convert_to_eh_region_ranges): Initialize call_site.
8793 (output_function_exception_table): Initialize tt_format_size.
8794 * expr.c (move_by_pieces_1): Initialize to1.
8795 (store_constructor): Initialize minelt and maxelt.
8796 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8797 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8799 * c-decl.c (combine_parm_decls): Unused, remove.
8800 * c-tree.h: Remove prototype for combine_parm_decls.
8802 * reload.c (push_reload): Fix warning.
8803 (regno_clobbered_p): Likewise.
8804 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8805 (reload_combine): Likewise.
8807 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8808 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8810 * bitmap.c (bitmap_operation): Change user.
8811 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8813 2001-07-10 Eric Christopher <echristo@redhat.com>
8815 * config/mips/mips.c (override_options): Fix typo.
8817 2001-07-09 Stan Shebs <shebs@apple.com>
8819 * target.h (struct gcc_target): New fields init_builtins and
8821 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8822 (TARGET_EXPAND_BUILTIN): New macro.
8823 (TARGET_INITIALIZER): Add them.
8824 * builtins.c: Include target.h.
8825 (expand_builtin): Use targetm.expand_builtin.
8826 (default_init_builtins): New function.
8827 (default_expand_builtin): New function.
8828 * expr.h (default_init_builtins): Declare.
8829 (default_expand_builtin): Declare.
8830 * c-common.c (c_common_nodes_and_builtins): Use
8831 targetm.init_builtins.
8832 * defaults.h (MD_INIT_BUILTINS): Remove.
8833 * Makefile.in (builtins.o): Depend on target.h.
8835 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8836 (TARGET_EXPAND_BUILTIN): Define.
8837 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8838 (MD_EXPAND_BUILTIN): Remove.
8840 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8841 (TARGET_EXPAND_BUILTIN): Define.
8842 (c4x_init_builtins): Make endlink arg a local.
8843 (c4x_print_operand): Fix typos in adjust_address usages.
8844 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8845 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8846 (MD_EXPAND_BUILTIN): Remove.
8848 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8849 (TARGET_EXPAND_BUILTIN): Define.
8850 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8851 (ix86_init_builtins): Call new function only if TARGET_MMX.
8852 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8853 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8854 (MD_EXPAND_BUILTIN): Remove.
8856 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8857 (TARGET_EXPAND_BUILTIN): Define.
8858 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8859 (MD_EXPAND_BUILTIN): Remove.
8861 * doc/tm.texi: Document these changes.
8863 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8865 * basic-block.h (tree_node): Forward declare if needed.
8866 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8867 (BLOCK_HEAD_TREE): Define.
8868 (BLOCK_END_TREE): Define.
8869 (struct loops): Rename field 'tree' to 'tree_root'.
8870 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8872 (flow_loops_tree_build): Rename reference to field 'tree' to
8874 (flow_loops_level_compute): Ditto.
8875 * predict.c (estimate_bb_frequencies): Ditto.
8876 * tree.h (struct tree_common): Add field 'aux'.
8878 2001-07-09 Stan Shebs <shebs@apple.com>
8880 * config/darwin.c (darwin_encode_section_info): Don't mark any
8881 DECL_EXTERNAL node as defined.
8883 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8885 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8886 pa_free_machine_status, hppa_init_pic_save): Delete.
8887 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8888 (hppa_profile_hook): Use hppa_pic_save_rtx.
8889 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8890 hppa_init_pic_save): Delete.
8891 (hppa_pic_save_rtx): Declare.
8892 * pa.md (call, call_value, sibcall, sibcall_value,
8893 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8895 2001-07-09 Kazu Hirata <kazu@hxi.com>
8897 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8898 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8900 2001-07-09 Andreas Jaeger <aj@suse.de>
8902 * output.h: Add declaration of final_forward_branch_p.
8904 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8906 * varray.c: Include errors.h for internal_error and trim_filename
8909 * Makefile.in (varray.o): Add errors.h.
8911 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8913 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8914 * optabs.c (have_add2_insn): Check whether the add insn chosen
8915 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8916 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8918 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8920 * Makefile.in (OBJS): Add ssa-ccp.o
8921 (ssa-ccp.o): Add dependencies.
8922 * toplev.c (DFI_ssa_ccp): New dump file enum.
8923 (dump_file): Add entry for dumping after SSA CCP.
8924 (flag_ssa_ccp): New flag variable.
8925 (f_options): Add -fssa-ccp.
8926 (rest_of_compilation): Run SSA CCP if requested.
8927 * timevar.def (TV_SSA_CCP): New timevar.
8928 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8929 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8930 Fix minor typo in SSA DCE documentation.
8931 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8932 Add documentation for new dump option. Renumber dump files
8935 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8937 * emit-rtl.c (gen_highpart_mode): New.
8938 * rtl.h (gen_highpart_mode): Declare.
8939 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8940 operand can be VOIDmode constant.
8942 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8944 * flow.c (redirect_edge_and_branch_force): New.
8945 (can_fallthru): Ensure that basic blocks are succeeding.
8946 (try_optimize_cfg): Do not delete basic block if it is the last one.
8948 * flow.c (try_redirect_by_replacing_jump): Do not remove
8949 jumps with side effects, unlink chain on fallthru edge;
8950 set block for new jump instruction; avoid basic block to
8951 over by line number note.
8953 * flow.c (try_simplify_condjump): Verify that the condjump
8954 is not always falling trought.
8957 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8959 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8960 (try_redirect_by_replacing_jump): Update properly the count
8961 and frequency information.
8963 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8965 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8966 address that is a LO_SUM specially.
8967 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8969 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8971 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8972 (operand_subword): Use them.
8973 (change_address_1): Renamed from change_address; new arg VALIDATE.
8974 * expr.h: Reflect above changes; change_address now macro.
8975 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8977 * cselib.c (add_mem_for_addr): Likewise.
8978 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8979 * regmove.c (try_apply_stack_adjustment): Likewise.
8980 * reload.c (push_reload, make_memloc): Likewise.
8981 * reload1.c (eliminate_regs): Likewise.
8982 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8983 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8985 * combine.c (make_extraction, simplify_shift_const): Likewise.
8986 (gen_lowpart_for_combine): Likewise.
8987 * cse.c (gen_lowpart_if_possible): Likewise.
8988 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8989 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8990 * optabs.c (gen_move_insn): Likewise.
8991 * reload1.c (alter_reg): Likewise.
8992 * simplify-rtx.c (simplify_subreg): Likewise.
8993 * stmt.c (expand_anon_union_decl): Likewise.
8994 * recog.c (validate_replace_rtx_1): Likewise.
8996 * Makefile.in (recog.o): Add $(EXPR_H).
8997 * explow.c (stabilize): Call replace_equiv_address.
8998 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8999 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
9001 2001-07-03 Andrew Haley <aph@redhat.com>
9003 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
9004 the mode of the memory location.
9006 2001-07-09 Bo Thorsen <bo@suse.co.uk>
9008 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
9010 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
9012 * final.c (output_addr_const): Use target opening and
9013 closing parentheses.
9014 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
9015 defaults, add to TARGET_ASM_OUT.
9016 * target.h (struct gcc_target): Add open_paren and close_paren.
9017 * doc/md.texi: Update.
9018 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
9019 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
9020 TARGET_ASM_CLOSE_PAREN.
9021 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9023 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9025 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9026 * config/a29k/a29k.h: Similarly.
9027 * config/alpha/alpha.h: Similarly.
9028 * config/arc/arc.h: Similarly.
9029 * config/arm/aof.h: Similarly.
9030 * config/arm/aout.h: Similarly.
9031 * config/avr/avr.h: Similarly.
9032 * config/c4x/c4x.h: Similarly.
9033 * config/clipper/clipper.h: Similarly.
9034 * config/convex/convex.h: Similarly.
9035 * config/d30v/d30v.h: Similarly.
9036 * config/dsp16xx/dsp16xx.h: Similarly.
9037 * config/elxsi/elxsi.h: Similarly.
9038 * config/fr30/fr30.h: Similarly.
9039 * config/h8300/h8300.h: Similarly.
9040 * config/i370/i370.h: Similarly.
9041 * config/i386/i386.h: Similarly.
9042 * config/i860/i860.h: Similarly.
9043 * config/i960/i960.h: Similarly.
9044 * config/ia64/ia64.h: Similarly.
9045 * config/m32r/m32r.h: Similarly.
9046 * config/m68hc11/m68hc11.h: Similarly.
9047 * config/m68k/m68k.h: Similarly.
9048 * config/m88k/m88k.h: Similarly.
9049 * config/mcore/mcore.h: Similarly.
9050 * config/mips/mips.h: Similarly.
9051 * config/mn10200/mn10200.h: Similarly.
9052 * config/mn10300/mn10300.h: Similarly.
9053 * config/ns32k/ns32k.h: Similarly.
9054 * config/pa/pa.h: Similarly.
9055 * config/pdp11/pdp11.h: Similarly.
9056 * config/pj/pj.h: Similarly.
9057 * config/romp/romp.h: Similarly.
9058 * config/rs6000/rs6000.h: Similarly.
9059 * config/sh/sh.h: Similarly.
9060 * config/sparc/sparc.h: Similarly.
9061 * config/v850/v850.h: Similarly.
9062 * config/vax/vax.h: Similarly.
9063 * config/we32k/we32k.h: Similarly.
9065 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9067 * doc/c-tree.texi: Document representation of attributes.
9069 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9071 * doc/tm.texi: Update some places for the rename of target to
9074 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9076 * target.h (struct gcc_target): Add insert_attributes.
9077 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9078 (TARGET_INITIALIZER): Update.
9079 * tree.c, tree.h (default_insert_attributes): New function.
9080 Update comments on other default functions to refer to targetm,
9082 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9083 TARGET_INSERT_ATTRIBUTES.
9084 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9085 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9086 Don't use PRAGMA_INSERT_ATTRIBUTES.
9087 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9088 * c-decl.c (start_decl, start_function): Don't call
9089 SET_DEFAULT_DECL_ATTRIBUTES.
9090 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9091 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9093 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9094 (c4x_check_attribute): Avoid modifying attribute list itself.
9095 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9097 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9098 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9100 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9101 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9103 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9104 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9106 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9107 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9108 Adjust parameters. Make static.
9110 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9112 * c-common.c (decl_attributes): Only take a single attributes
9114 * c-common.h (decl_attributes): Update prototype.
9115 * c-decl.c (start_decl, start_function): Only take a single
9116 attributes parameter. Update calls to decl_attributes.
9117 (finish_struct, finish_enum): Update calls to decl_attributes.
9118 (push_parm_decl): Expect unified list of attributes. Update call
9120 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9121 notype_nested_function, component_declarator,
9122 component_notype_declarator, label): Update calls to
9124 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9125 lists that are passed to push_parm_decl.
9126 * c-tree.h (start_function, start_decl): Update prototypes.
9127 * config/sh/sh-protos.h, config/sh/sh.c
9128 (sh_pragma_insert_attributes): Only take a single attributes
9130 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9131 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9132 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9133 build_module_descriptor, generate_static_references,
9134 generate_strings, build_selector_translation_table,
9135 generate_descriptor_table, generate_protocols,
9136 generate_ivars_list, generate_dispatch_table,
9137 generate_protocol_list, generate_category,
9138 generate_shared_structures, really_start_method, add_objc_decls,
9139 generate_classref_translation_entry): Update calls to start_decl
9141 (build_tmp_function_decl, start_method_def): Unify attribute lists
9142 that are passed to push_parm_decl.
9144 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9146 * final.c (no_asm_to_stream): New.
9147 (final_scan_insn): Use target structures for prologue ends
9148 and epilogue starts.
9149 * output.h (no_asm_to_stream): New.
9150 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9151 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9152 (TARGET_ASM_OUT): Update.
9153 * target.h (struct gcc_target): New members function_end_prologue
9154 and function_begin_epilogue.
9155 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9156 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9157 * config/alpha/alpha.c (output_end_prologue): Rename to
9158 alpha_output_function_end_prologue. Use in target struct
9160 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9161 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9162 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9163 ia64_output_function_end_prologue. Use in target struct
9165 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9166 mistyped prototypes.
9167 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9168 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9170 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9171 an use in target struct, make static.
9172 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9175 2001-07-08 Richard Henderson <rth@redhat.com>
9177 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9179 2001-07-08 Richard Henderson <rth@redhat.com>
9181 * config/i386/i386.md: Remove constraints strings from define_split
9182 and define_peephole2 patterns.
9183 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9184 (eh_return): Use them.
9186 2001-07-08 Richard Henderson <rth@redhat.com>
9188 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9189 Document MD_FALLBACK_FRAME_STATE_FOR.
9191 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9193 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9194 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9196 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9198 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9200 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9201 of the label inside NAME as opposed to just the end of NAME.
9203 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9205 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9206 * config/alpha/alpha.c (alpha_init_machine_status,
9207 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9208 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9209 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9210 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9212 2001-07-06 Stan Shebs <shebs@apple.com>
9214 * target.h (targetm): Rename global from "target", so as not to
9215 conflict with local variables.
9217 * c-typeck.c: Ditto.
9221 * cp/decl2.c: Ditto.
9222 * cp/typeck.c: Ditto.
9223 * 1750a/1750a.c: Ditto.
9224 * a29k/a29k.c: Ditto.
9228 * clipper/clipper.c: Ditto.
9229 * convex/convex.c: Ditto.
9230 * d30v/d30v.c: Ditto.
9231 * dsp16xx/dsp16xx.c: Ditto.
9232 * elxsi/elxsi.c: Ditto.
9233 * fr30/fr30.c: Ditto.
9234 * h8300/h8300.c: Ditto.
9235 * i370/i370.c: Ditto.
9236 * i386/i386.c: Ditto.
9237 * i860/i860.c: Ditto.
9238 * i960/i960.c: Ditto.
9239 * ia64/ia64.c: Ditto.
9240 * m32r/m32r.c: Ditto.
9241 * m68hc11/m68hc11.c: Ditto.
9242 * m68k/m68k.c: Ditto.
9243 * m88k/m88k.c: Ditto.
9244 * mips/mips.c: Ditto.
9245 * ns32k/ns32k.c: Ditto.
9247 * pdp11/pdp11.c: Ditto.
9248 * romp/romp.c: Ditto.
9249 * rs6000/rs6000.c: Ditto.
9251 * sparc/sparc.c: Ditto.
9253 * we32k/we32k.c: Ditto.
9254 * doc/tm.texi: Update the manual to match.
9256 2001-07-06 Richard Henderson <rth@redhat.com>
9258 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9259 DWARF2_UNWIND_INFO not just whether it is defined.
9261 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9263 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9264 call to simplify_binary_operation returns a new pattern.
9266 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9268 * glimits.h (__SHRT_MAX__): New.
9269 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9270 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9272 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9274 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9277 2001-07-06 Richard Henderson <rth@redhat.com>
9279 * bitmap.c (bitmap_release_memory): Move adjacent to the
9280 allocation functions.
9281 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9282 the implementation. Binary search for the set bit.
9283 (bitmap_union_of_diff): Allocate the temporary on the stack
9284 instead of using xmalloc.
9286 2001-07-06 Richard Henderson <rth@redhat.com>
9288 * genrecog.c (validate_pattern): Warn for constraints in
9289 define_{expand,split,peephole2}. Remove strict_low_part
9290 before looking up match_dup.
9292 2001-07-06 DJ Delorie <dj@redhat.com>
9294 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9295 chapter about various build hints and history. Add section
9296 talking about the various types of native and cross builds.
9298 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9300 * Makefile.in (final.o): Depend on target.h.
9301 * final.c: Include target.h.
9302 (default_function_pro_epilogue): New.
9303 (final_start_function): Use target structure for function prologues.
9304 (final_end_function): Use target structure for function epilogues.
9305 * fold-const.c (real_hex_to_f): Constify s and p.
9306 * output.h (default_function_pro_epilogue): New.
9307 * real.h (real_hex_to_f): Update prototype.
9308 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9309 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9310 (TARGET_INITIALIZER): Update.
9311 * target.h (gcc_target): Add struct asm_out.
9312 * doc/tm.texi: Update.
9315 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9316 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9317 in cpu/cpu.c, or rename old functions consistently. Take
9318 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9319 redundant macros and prototypes. Make new functions static.
9321 * 1750a/1750a.c: Similarly.
9322 * 1750a/1750a.h: Similarly.
9323 * a29k/a29k-protos.h: Similarly.
9324 * a29k/a29k.c: Similarly.
9325 * a29k/a29k.h: Similarly.
9326 * arc/arc-protos.h: Similarly.
9327 * arc/arc.c: Similarly.
9328 * arc/arc.h: Similarly.
9329 * arm/arm-protos.h: Similarly.
9330 * arm/arm.c: Similarly.
9331 * arm/arm.h: Similarly.
9332 * avr/avr-protos.h: Similarly.
9333 * avr/avr.c: Similarly.
9334 * avr/avr.h: Similarly.
9335 * clipper/clipper-protos.h: Similarly.
9336 * clipper/clipper.c: Similarly.
9337 * clipper/clipper.h: Similarly.
9338 * convex/convex.c: Similarly.
9339 * convex/convex.h: Similarly.
9340 * d30v/d30v-protos.h: Similarly.
9341 * d30v/d30v.c: Similarly.
9342 * d30v/d30v.h: Similarly.
9343 * d30v/d30v.md: Similarly.
9344 * dsp16xx/dsp16xx-protos.h: Similarly.
9345 * dsp16xx/dsp16xx.c: Similarly.
9346 * dsp16xx/dsp16xx.h: Similarly.
9347 * elxsi/elxsi.c: Similarly.
9348 * elxsi/elxsi.h: Similarly.
9349 * fr30/fr30.c: Similarly.
9350 * fr30/fr30.md: Similarly.
9351 * h8300/h8300-protos.h: Similarly.
9352 * h8300/h8300.c: Similarly.
9353 * h8300/h8300.h: Similarly.
9354 * i370/i370-protos.h: Similarly.
9355 * i370/i370.c: Similarly.
9356 * i370/i370.h: Similarly.
9357 * i386/i386.c: Similarly.
9358 * i386/osf1elf.h: Similarly.
9359 * i386/osfrose.h: Similarly.
9360 * i860/i860-protos.h: Similarly.
9361 * i860/i860.c: Similarly.
9362 * i860/i860.h: Similarly.
9363 * i960/i960-protos.h: Similarly.
9364 * i960/i960.c: Similarly.
9365 * i960/i960.h: Similarly.
9366 * ia64/ia64-protos.h: Similarly.
9367 * ia64/ia64.c: Similarly.
9368 * ia64/ia64.h: Similarly.
9369 * m32r/m32r-protos.h: Similarly.
9370 * m32r/m32r.c: Similarly.
9371 * m32r/m32r.h: Similarly.
9372 * m68hc11/m68hc11-protos.h: Similarly.
9373 * m68hc11/m68hc11.c: Similarly.
9374 * m68hc11/m68hc11.h: Similarly.
9375 * m68k/crds.h: Similarly.
9376 * m68k/dpx2.h: Similarly.
9377 * m68k/m68k-protos.h: Similarly.
9378 * m68k/m68k.c: Similarly.
9379 * m68k/m68k.h: Similarly.
9380 * m68k/news.h: Similarly.
9381 * m88k/m88k-protos.h: Similarly.
9382 * m88k/m88k.c: Similarly.
9383 * m88k/m88k.h: Similarly.
9384 * mips/mips-protos.h: Similarly.
9385 * mips/mips.c: Similarly.
9386 * mips/mips.h: Similarly.
9387 * ns32k/merlin.h: Similarly.
9388 * ns32k/ns32k.c: Similarly.
9389 * ns32k/ns32k.h: Similarly.
9390 * ns32k/tek6000.h: Similarly.
9391 * pa/pa-protos.h: Similarly.
9392 * pa/pa.c: Similarly.
9393 * pa/pa.h: Similarly.
9394 * pdp11/2bsd.h: Similarly.
9395 * pdp11/pdp11-protos.h: Similarly.
9396 * pdp11/pdp11.c: Similarly.
9397 * pdp11/pdp11.h: Similarly.
9398 * romp/romp-protos.h: Similarly.
9399 * romp/romp.c: Similarly.
9400 * romp/romp.h: Similarly.
9401 * rs6000/rs6000-protos.h: Similarly.
9402 * rs6000/rs6000.c: Similarly.
9403 * rs6000/rs6000.h: Similarly.
9404 * rs6000/sysv4.h: Similarly.
9405 * sh/sh-protos.h: Similarly.
9406 * sh/sh.c: Similarly.
9407 * sh/sh.h: Similarly.
9408 * sparc/sparc-protos.h: Similarly.
9409 * sparc/sparc.c: Similarly.
9410 * sparc/sparc.h: Similarly.
9411 * vax/vax.c: Similarly.
9412 * vax/vax.h: Similarly.
9413 * vax/vms.h: Similarly.
9414 * we32k/we32k.c: Similarly.
9415 * we32k/we32k.h: Similarly.
9417 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9419 * basic-block.h (first_insn_after_basic_block_note): Declare.
9420 * flow.c (first_insn_after_basic_block_note): Define. Moved
9422 * ssa.c (first_insn_after_basic_block_note): Remove.
9423 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9425 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9426 nodes when we find a dead conditional branch. Insert BARRIERs
9427 after any blocks with no successors, but which do not have
9430 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9432 * varray.c (varray_check_failed): Use internal_error.
9434 2001-07-05 Andrew Haley <aph@redhat.com>
9436 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9437 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9438 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9440 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9442 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9443 reference if the target constant is also a SYMBOL_REF.
9445 2001-07-05 Eric Christopher <echristo@redhat.com>
9447 * config/mips/mips.h (MASK_MIPS3900): Remove.
9448 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9449 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9450 (TARGET_MIPS3900): Change to use mips_arch.
9451 (TARGET_MIPS4000): New.
9452 (TARGET_MIPS4100): New.
9453 (TARGET_MIPS4300): New.
9454 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9455 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9457 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9458 (ISA_HAS_BRANCHLIKELY): To here.
9459 (CC1_CPU_SPEC): New.
9460 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9461 (mips_arch_string): Declare.
9462 (mips_arch): Declare.
9463 (TARGET_OPTIONS): Add -march and -mtune.
9465 * config/mips/mips.c (mips_arch_string): New.
9467 (override_options): Handle -march for codegen and -mtune
9468 for scheduling. Use mips_arch. Move tx39 target default here.
9469 (mips_parse_cpu): Move error message to override_options.
9471 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9473 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9475 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9476 (MIPS Options): Ditto. Change mcpu entry to historical text.
9478 2001-07-05 H.J. Lu (hjl@gnu.org)
9480 * config/mips/mips.c (mips_parse_cpu): New function to parse
9483 2001-07-05 Jim Wilson <wilson@redhat.com>
9485 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9486 * config/ia64/t-ia64: Likewise.
9487 (LIB1ASMFUNCS): Update comment.
9489 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9491 * doc/install.texi (Install GCC: Binaries): Fix typo.
9493 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9495 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9496 reference using the stack pointer, adjust it since we push Y
9498 ("*ashrsi3"): Likewise.
9499 ("*lshrsi3"): Likewise.
9501 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9503 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9504 when -fomit-frame-pointer is used.
9506 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9508 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9509 (try_redirect_by_replacing_jump): Reverse updating properly the
9510 count and frequency information. Reverse removing cc0 setter.
9511 (forwarder_block_p): Reverse fixing for fallthru blocks.
9513 2001-07-05 DJ Delorie <dj@redhat.com>
9515 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9516 (translate_options): If the above is defined, use it to map
9517 given options to new options.
9518 * doc/tm.texi: Document it.
9520 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9521 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9523 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9524 cause programs using computed gotos to run more slowly.
9526 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9528 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9530 Consistently require binutils 2.11.2, not prereleases.
9531 (Specific, decstation-*): Canonicalize as mips-dec-*.
9532 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9534 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9535 (Specific, mips-*): Reword MIPS C compiler requirements.
9536 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9537 (Specific, sunv5): Removed, obsolete.
9539 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9541 * dwarf2out.c (output_loc_list): Use an all ones mask for
9542 .text asm output and don't rely on long long
9543 literals. Reformat some long lines.
9545 2001-07-05 Andreas Jaeger <aj@suse.de>
9547 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9550 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9552 * dwarf2out.c (dwarf2out_define): Update comment.
9553 (dwarf2out_undef): Ditto.
9554 (dwarf2out_start_source_file): Ditto.
9555 (dwarf2out_end_source_file): Ditto.
9556 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9557 since we never call the start/end debug hook for the primary file.
9559 2001-07-04 Kazu Hirata <kazu@hxi.com>
9561 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9564 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9566 * cppinit.c (remove_dup_dirs): Inform if a system include
9567 directory is being reordered.
9568 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9570 * doc/cpp.texi (Search Paths): Likewise.
9571 * doc/gcc.texi (Interoperation): Remove information about
9574 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9576 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9577 (VARRAY_TOP_CHAR_PTR): Likewise.
9579 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9581 * gcc.c (process_command): Don't assign elements of a const char*.
9583 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9585 * emit-rtl.c (change_address): Don't abort if invalid address while
9586 reload is in progress.
9588 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9590 * c-lex.c (cb_file_change): Pass line number to
9591 debug_start_source_file.
9592 (cb_undefine): Pass correct line number to debug_undef.
9594 * toplev.c (debug_start_source_file): Add line number to
9595 parameters. Pass it along to dwarf2out_start_source_file.
9596 (decode_g_option): Stop resetting debug level back to normal when
9597 we change debug formats, unless the current level is
9598 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9601 * toplev.h (debug_start_source_file): Add line number to
9604 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9607 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9609 Output debug_macinfo data for starting file if requested.
9610 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9612 (dwarf2out_define): Output debug_macinfo data for defining a macro
9614 (dwarf2out_undef): Output debug_macinfo data for undefining a
9616 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9617 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9618 (macinfo_section_label): New. DWARF2 macro info section label.
9619 (dwarf2out_init): If we want macro info, output the start label
9621 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9622 attribute to the compilation unit die pointing to the macro info.
9624 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9626 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9627 DWARF2_DEBUGGING_INFO.
9628 (add_loc_descr_to_loc_list): Ditto.
9629 (output_loc_list): Ditto.
9630 Also, fix thinko in curr not being initialized.
9631 (gen_internal_sym): Ditto.
9633 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9635 * emit-rtl.c (replace_equiv_address): New function.
9636 * expr.h (replace_equiv_address): New declaration.
9637 * explow.c (validize_mem): Call it instead of change_address and
9638 also call if -fforce-addr and address is constant.
9639 * expr.c: Replace more calls to change_address with adjust_address
9640 and/or replace_equiv_address or to validize_mem.
9641 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9642 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9643 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9644 * config/i370/i370.md, config/i860/i860.md: Likewise.
9645 * config/i960/i960.md, config/mips/mips.c: Likewise.
9646 * config/mips/mips.md, config/pa/pa.md: Likewise.
9647 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9648 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9650 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9652 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9654 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9657 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9659 * doc/include: New directory.
9660 * doc/fdl.texi: Move to doc/include/fdl.texi.
9661 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9662 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9663 * doc/gcc.texi: Use funding.texi and gpl.texi.
9664 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9665 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9666 Update dependencies and use -I $(docdir)/include.
9668 2001-07-04 Anthony Green <green@redhat.com>
9670 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9672 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9674 * doc/install.texi (sparc64-*-*): Remove garbage.
9676 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9678 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9679 Fix typo in last change to use adjust_address.
9681 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9683 * doc/install.texi (Specific): Update information for *-*-solaris*.
9685 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9687 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9689 2001-07-03 Stan Shebs <shebs@apple.com>
9691 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9692 case for flag_no_mach_text_sections.
9693 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9694 * config/darwin.c (flag_no_mach_text_sections): Remove.
9695 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9697 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9699 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9700 and avoid checking for constant as first operand.
9701 * recog.c (find_constant_term_loc): No longer static.
9702 (adj_offettable_operand): Delete.
9703 * rtl.h (adj_offsettable_operand): Delete declaration.
9704 (find_constant_term): Add declaration.
9705 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9707 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9708 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9709 * config/i386/i386.c, config/i386/i386.md: Likewise.
9710 * config/i860/i860.c, config/i960/i960.c: Likewise.
9711 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9712 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9713 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9714 * config/mips/mips.c, config/mips/mips.md: Likewise.
9715 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9716 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9717 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9718 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9719 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9720 * config/ns32k/ns32k.md: Likewise.
9722 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9724 * rtl.c (copy_rtx): Handle 'T' format letter.
9725 * gensupport.c (collect_insn_data): Likewise.
9726 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9728 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9730 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9731 -B option. Use 'dir' not 'foo' as example directory name.
9733 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9735 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9736 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9738 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9740 * doc/cppinternals.texi: Improve formatting and logical markup.
9742 2001-07-03 Andreas Jaeger <aj@suse.de>
9744 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9746 * genrecog.c (write_header): Include reload.h for prototypes in
9749 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9752 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9753 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9754 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9755 i386_pe_valid_type_attribute_p): Add.
9756 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9757 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9759 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9761 * explow.c (plus_constant_wide, case LO_SUM): New case.
9762 (plus_constant_for_output_wide): Delete.
9763 * rtl.h (plus_constant_for_output): Delete.
9764 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9765 instead of plus_constant_for_output.
9766 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9767 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9768 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9769 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9770 * config/sparc/sparc.md: Likewise.
9771 Convert some change_address calls to adjust_address.
9773 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9775 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9776 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9777 documentation of -std and -Wwrite-strings.
9779 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9781 * cse.c (canon_hash): Don't register registers in very small
9782 register classes, as extending their lifetime might cause
9785 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9787 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9789 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9790 (try_redirect_by_replacing_jump): Update properly the count
9791 and frequency information.
9793 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9795 * toplev.c (dump_file_index): Move SSA dumps just after first
9797 (dump_file): Corresponding changes.
9798 (rest_of_compilation): Move SSA path to just after the first
9800 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9801 * doc/invoke.texi: Update dump file #s as they were completely
9802 out of date with reality.
9804 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9806 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9808 * expr.c (emit_move_insn_1): Deal with non-default
9811 * expr.c (emit_single_push_insn): Fix warning.
9813 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9815 * expr.c (emit_move_insn_1): Avoid modifying
9816 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9818 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9820 * emit-rtl.c (adjust_address): New function.
9821 * expr.h (adjust_address): Add declaration.
9822 * builtins.c: Replace some calls to change_address with calls to it
9824 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9825 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9826 * config/arm/arm.c, config/convex/convex.c: Likewise.
9827 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9828 * config/i386/i386.c, config/i386/i386.md: Likewise.
9829 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9830 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9831 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9832 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9833 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9835 2001-07-02 Jim Wilson <wilson@redhat.com>
9837 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9839 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9841 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9842 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9844 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9846 * cppinit.c (lang_defaults): New table.
9847 (set_lang): Just read from lang_defaults into the live options
9850 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9852 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9853 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9854 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9856 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9858 * doc/install.texi: Various spelling and markup fixes.
9859 (Installing GCC): Component specific installation instructions are
9862 Warn about removing old install dir in the presence of shared libs.
9863 (Configuration): Invoke with options target to match configure
9865 Consistently refer to gas, gld pathnames.
9866 Invert --enable-multilib documentation.
9867 Remove references to old compiler versions.
9869 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9871 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9873 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9875 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9877 (Specific, mips*-sgi-irix5): Note IDO download.
9878 Reworded MIPS C hints.
9879 Use GNU as instead of GAS.
9881 Removed SGI Freeware reference, IRIX 6 only.
9882 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9883 Note N64 library requirement/workaround.
9885 Complete list of structure passing bug victims.
9887 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9889 * doc/install.texi: Remove CVS Id.
9891 2001-07-02 Andreas Jaeger <aj@suse.de>
9893 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9894 (find_inherently_necessary): Remove unused variable.
9896 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9898 * c-common.h (TDI_inlined): New ast dump phase.
9899 (dump_flag_name): New function.
9900 * c-dump.c (dump_files): Add inlined phase.
9901 (dump_flag_name): Define.
9902 * doc/invoke.texi (-fdump-ast-inlined): Document.
9904 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9906 * stor-layout.c (layout_decl): Revert change to handling of alignment
9909 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9911 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9914 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9916 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9919 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9921 * tlink.c (recompile_files): Remove COMPILER_PATH and
9922 LIBRARY_PATH from the environment.
9924 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9926 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9927 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9929 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9931 * c-parse.in (OBJC_STRING): Kill.
9932 (objc_string): Decompose to [objc_string] '@' STRING.
9933 (reswords): Take the leading '@' off all the Objective C keywords.
9934 (objc_rid_sans_at): Kill.
9935 (init_reswords): Don't initialize it.
9936 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9937 (_yylex): Kill reconsider label. Look ahead one token after
9938 an '@'; if we get an identifier, check whether it's an
9939 Objective C @-keyword. If so, return the keyword. Otherwise,
9940 put back the token and return the '@' as a terminal.
9942 * cpplib.c (lex_macro_node): Remove unnecessary check for
9943 leading '@' on identifier. Clarify control flow and commentary.
9945 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9947 * cse.c (new_label_ref): Variable deleted.
9948 (insert): Remove set of new_label_ref.
9949 (check_for_label_ref): New function.
9950 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9952 See ChangeLog.5 for earlier changes.
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