1 2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
3 * gccbug.in (CATEGORIES): Add ada.
5 2001-10-05 Catherine Moore <clm@redhat.com>
7 * config/stormy16/stormy-abi: Document abi changes.
8 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
9 (ICALL_REGS): New register class.
10 (NUM_ARGUMENT_REGISTERS): Now 6.
11 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
13 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
14 * config/stormy16.md (call_internal, call_value_internal,
15 indirect_jump): Use new 'z' constraint.
17 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
19 * doc/cppinternals.texi: Update.
21 2001-10-05 Richard Henderson <rth@redhat.com>
23 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
24 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
25 the gas section-name-as-label feature.
27 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
29 * doc/cppinternals.texi: Update.
31 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
33 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
34 to ensure valid SImode constants.
36 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
38 * Makefile.in (c-decl.o): Depend on tree-inline.h.
39 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
40 * c-decl.c: Include tree-inline.h.
41 (c_expand_body): Call optimize_inline_calls. Determine whether
42 a function is inlinable upfront, and only clear
43 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
44 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
45 (c_disregard_inline_limits): New function.
46 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
47 (c_post_options): Enable tree inlining if inlining is enabled.
48 Don't inline trees when instrumenting functions.
49 (c_init): Initialize lang_disregard_inline_limits and
50 lang_cannot_inline_tree_fn.
51 * tree-inline.c (initialize_inlined_parameters): Handle calls
52 with fewer arguments than declared parameters, and fewer
53 parameters than passed arguments. Don't assume value is a
55 (declare_return_variable): Convert return value back to the
56 original type, if it was promoted.
57 (tree_inlinable_function_p): New function.
58 (inlinable_function_p): Don't look at DECL_INLINE if we're
59 inlining all functions. Make it work with a NULL id.
60 Re-check DECL_UNINLINABLE after language-specific checks.
61 * tree-inline.h (tree_inlinable_function_p): Declare it.
62 * integrate.c (save_for_inline): Don't bother to prepare argvec
64 * cse.c (check_for_label_ref): Don't check deleted labels.
66 * Makefile.in (tree-inline.o): Depend on newly-included headers.
67 * tree-inline.c: Include headers needed for the functions moved in.
68 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
69 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
70 (copy_body, initialize_inlined_parameters): Likewise.
71 (declare_return_variable, inlinable_function_p): Likewise.
72 (expand_call_inline, expand_calls_inline): Likewise.
73 (optimize_inline_calls, clone_body): Likewise.
74 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
75 (copy_tree_r, remap_save_expr): Likewise.
77 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
79 * Makefile.in (OBJS): Added tree-inline.o.
80 (c-common.o): Depend on tree-inline.h.
81 (tree-inline.o): New target.
82 * c-common.c: Include tree-inline.h.
83 (c_mark_lang_decl): Don't mark saved_tree.
84 (c_common_lang_init): Set lang_anon_aggr_type_p.
85 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
86 (struct c_lang_decl): Moved saved_tree to tree_decl.
87 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
88 * integrate.h (function_attribute_inlinable_p): Declare it.
89 * integrate.c (function_attribute_inlinable_p): Export it.
90 * tree-inline.c: New file. Define variables declared in...
91 * tree-inline.h: New file. Declare functions to be moved to
92 tree-inline.c. Define macros and declare types and hooks for
93 language-specific tree inlining.
94 (flag_inline_trees): Moved definition from cp/decl2.c.
95 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
96 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
97 (struct tree_decl): Moved saved_tree from c_lang_decl and
98 inlined_fns from C++'s lang_decl.
100 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
102 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
103 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
105 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
107 * doc/cppinternals.texi: Update.
109 2001-10-04 Eric Christopher <echristo@redhat.com>
111 * config/mips/mips.c (init_cumulative_args): Remember to set
113 * config.gcc: Redo linux configuration. Add target_cpu_default
114 of soft-float to all mipsisa32 combinations and tx39.
115 * config/mips/linux.h: Remove include of mips.h.
117 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
119 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
120 HOST_LDFLAGS and HOST_CPPFLAGS.
122 2001-10-03 Ziemowit Laski <zlaski@apple.com>
124 * c-parse.in (objc_inherit_code, objc_pq_context,
125 objc_public_flag): Make static.
126 (objc_interface_context, objc_implementation_context,
127 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
128 global tree array in objc/objc-act.[ch].
129 (methoddef): Remove unnecessary code.
131 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
132 Hoist struct definitions to objc-act.h.
133 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
134 cat_count): Place declaration in objc-act.h.
135 (objc_tree_index): Move enumeration to objc-act.h.
136 (objc_global_trees): Place declaration and macro accessors in
138 (implementation_context): Remove duplicate; use
139 objc_implementation_context instead:
140 (method_context): Remove duplicate; use objc_method_context
142 (objc_ellipsis_node, objc_method_prototype_template,
143 implemented_classes, function_type): Move global vars to
145 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
146 (build_message_expr): Move actual construction of ObjC message
147 send nodes to finish_message_expr.
148 (finish_message_expr): New routine, contains code formerly in
150 * objc/objc-act.h (finish_message_expr): New prototype.
151 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
152 declarations; these vars are now part of objc_global_trees.
153 (objc_tree_index, objc_global_trees): Move definitions from
155 * objc/objc-tree.def: Update copyright info.
157 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
159 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
161 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
162 only if TARGET_ARCH64.
164 2001-10-02 Bernd Schmidt <bernds@redhat.com>
166 * doc/extend.texi: Fix some problems with previous checkin.
167 * doc/invoke.texi: Likewise.
169 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
171 * cpphash.h: Update comments.
172 (cpp_context): Update.
173 (spec_nodes): Remove n__Pragma.
174 * cppinit.c (cpp_create_reader): Update.
175 (builtin_array): Add _Pragma.
176 * cpplib.h: Update comments.
177 (NODE_DISABLED, BT_PRAGMA): New.
178 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
179 * cppmacro.c (struct cpp_macro): Remove disabled.
180 (builtin_macro): Return int, handle _Pragma, push the new token
181 on the context stack.
182 (funlike_invocation_p): Unconstify, update.
183 (enter_macro_context): Handle builtins here.
184 (replace_args, push_token_context, push_ptoken_context):
185 Update for prototype changes.
186 (_cpp_pop_context): Update.
187 (cpp_get_token): Don't handle buitins, nor _Pragma here.
188 (cpp_sys_macro_p): Update.
189 (_cpp_free_definition): Clear disabled flag.
190 (_cpp_create_definition): Upate.
191 * cppmain.c: Update comments.
193 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
194 Andreas Jaeger <aj@suse.de>,
195 Jan Hubicka <jh@suse.cz>
197 * doc/invoke.texi (i386 Options): Document x86-64 options.
198 (i386 and x86-64 Options): Rename i386 options section.
200 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
201 (TARGET_SWITCHES): Add -munwind-info.
202 (MASK_NO_UNWIND_INFO): New.
203 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
205 (ASM_OUTPUT_DOUBLE_INT): New.
207 * config/i386/linux64.h: New spec file for Linux x86-64 support.
208 * config.gcc: Fix tm_file settings for x86-64.
209 * config/i386/x86-64.h: New file with OS independent x86-64
211 * config/i386/biarch64.h: New file used to configure compiler
212 to biarch/64bit compilation.
214 * config/i386/i386.c: (override_options): Set flags default
215 for 64bit compilation.
217 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
219 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
220 (ix86_expand_int_movcc): Optimize DImode conditional moves with
222 (ix86_attr_length_immediate_default): Support MODE_DI.
223 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
225 (indirect_jump, tablejump): Turn into expander.
227 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
229 * c-common.c (c_format_attribute_table): Make format and
230 format_arg attributes apply to function types rather than to
232 (is_valid_printf_arglist): Construct an attribute list and pass
233 that to check_function_format rather than a name.
234 * c-common.h (check_function_format): Adjust prototype.
235 * c-decl.c (duplicate_decls): Preserve attributes from type of
236 built-in decl when allowing for harmless conflict in types.
237 * c-format.c (record_function_format,
238 record_international_format, function_format_list,
239 international_format_info, international_format_list): Remove.
240 (function_format_info): Remove next, name and assembler_name.
241 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
242 (decode_format_attr): New.
243 (handle_format_attribute): Handle receiving a type rather than a
244 decl. Call decode_format_attr. Store format information in a
245 function_format_info.
246 (handle_format_arg_attribute): Correct comment. Handle receiving
247 a type rather than a decl. Use unsigned HOST_WIDE_INT for
249 (check_format_info_recurse, check_format_info_main): Take argument
250 numbers as unsigned HOST_WIDE_INT.
251 (check_function_format): Take a list of attributes from the
252 function type rather than a name or assembler name. Check for
253 format attributes in that list and the attributes on the type of
254 the current function rather than looking through
255 function_format_list.
256 (check_format_info): Use unsigned HOST_WIDE_INT for argument
258 (check_format_info_recurse): Take format_arg attributes from the
259 type of the function calls rather than using
260 international_format_list. Allow for multiple format_arg
262 * c-typeck.c (build_function_call): Pass type attributes to
263 check_function_format rather than name or assembler name. Don't
264 require there to be a name or assembler name to check formats.
266 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
268 * attribs.c (decl_attributes): Possibly call
269 insert_default_attributes to insert default attributes on
270 functions in a lazy manner.
271 * builtin-attrs.def: New file; define the default format and
272 format_arg attributes.
273 * c-common.c (c_format_attribute_table): Move to earlier in the
275 (c_common_nodes_and_builtins): Initialize format_attribute_table.
276 (enum built_in_attribute, built_in_attributes,
277 c_attrs_initialized, c_init_attributes,
278 c_common_insert_default_attributes): New.
279 (c_common_lang_init): Don't initialize format_attribute_table. Do
280 call c_init_attributes.
281 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
282 * c-common.h (init_function_format_info): Don't declare.
283 (c_common_insert_default_attributes): Declare.
284 * c-decl.c (implicitly_declare, builtin_function): Call
286 (init_decl_processing): Don't call init_function_format_info.
287 (insert_default_attributes): New.
288 * c-format.c (handle_format_attribute,
289 handle_format_arg_attribute): Be quiet about inappropriate
290 declaration when applying default attributes.
291 (init_function_format_info): Remove.
292 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
293 (insert_default_attributes): Declare.
295 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
297 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
299 2001-10-01 Jim Wilson <wilson@redhat.com>
301 * sched-deps.c (add_dependence): When elide conditional dependence,
302 check that insn doesn't modify cond2.
304 2001-10-01 Dale Johannesen <dalej@apple.com>
306 * config/rs6000/rs6000.h (enum processor_type): Add support
307 for 7400 (G4) and 7450.
309 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
310 (rs6000_issue_rate): Ditto.
311 (rs6000_adjust_cost): Fix cycle counts for compares.
312 (debug_stack_info): Fix an obvious typo.
313 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
314 * doc/invoke.texi: Document.
315 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
317 (PROCESSOR_DEFAULT): Ditto.
319 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
321 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
322 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
323 later recursive make invocation.
325 2001-10-01 Hans Boehm <boehm@acm.org>
327 * optabs.c (emit_libcall_block): When using non-call exceptions,
328 don't add REG_LIBCALL reg notes to trapping calls.
330 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
332 * flow.c (propagate_block_delete_libcall): Remove unused first arg
333 (propagate_one_insn): Update for above change
335 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
337 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
338 _Unwind_GetTextRelBase): Argument is unused.
340 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
342 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
343 Loop through NOPs, placeholders, and components.
344 Don't go through NOPs if change mode.
345 (record_alias_subset): Do nothing if SUBSET and SET are the same.
346 * emit-rtl.c (set_mem_alias_set): Enable check.
347 * expr.c (find_placeholder): New function.
348 (expand_expr, case PLACEHOLDER_EXPR): Use it.
349 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
350 to modify it and avoid unneeded copies.
351 * expr.h (expand_expr): Always define.
352 (find_placeholder): New declaration.
354 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
356 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
357 operand 2 is the stack pointer.
358 ("addr-peephole"): Fix address computation peephole when operand 2
359 is the stack pointer.
361 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
363 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
364 (ix86_setup_incoming_varargs): Likewise.
366 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
368 * stor-layout.c (layout_type): Don't complain about too-large
371 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
373 * function.c (keep_stack_depressed): Don't use delete_insn.
375 * expr.h (set_mem_alias_set): Move decl to here.
376 * rtl.h (mem_attrs): New typedef and struct.
377 (union rtunion_def): Add field for mem_attrs.
378 (X0MEMATTR, MEM_ATTRS): New macros.
379 (MEM_ALIAS_SET): Use MEM_ATTRS.
380 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
381 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
382 (set_mem_alias_set): Delete decl from here.
384 * alias.c (set_mem_alias_set): Delete from here.
385 * emit-rtl.c (mem_attrs_htab): New variable.
386 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
387 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
388 (mem_attrs_mark, get_mem_attrs): Likewise.
389 (gen_rtx_MEM): Clear MEM_ATTRS.
390 (set_mem_attributes): Move to here.
391 (set_mem_alias_set): Likewise, and call get_mem_attrs.
392 (init_emit_once): const_int_htab now deletable htab.
393 Initialize mem_attrs_htab.
394 * explow.c (set_mem_attributes): Delete from here.
395 * function.c (put_var_into_stack): Clear MEM_ATTRS.
396 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
397 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
398 * reload1.c (reload): Rework changing REG to MEM.
400 2001-09-30 H.J. Lu <hjl@gnu.org>
402 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
403 * config.in: Rebuild.
405 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
407 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
408 ("tsthi_1"): Avoid allocation in register y.
409 ("*movqi_68hc12"): Reorganize and fix constraints.
410 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
411 ("addqi3"): Likewise.
412 ("addhi3"): Fix constraints.
413 ("*logicalhi3_zexthi"): Disparage soft registers.
415 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
417 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
420 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
422 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
423 that we use setjmp/longjmp exceptions.
425 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
427 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
428 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
429 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
430 _cpp_pool_alloc, _cpp_next_chunk): Remove.
431 (_cpp_extend_buff, BUFF_ROOM): Update.
432 (_cpp_append_extend_buff): New.
433 (struct cpp_reader): Remove macro_pool, add a_buff.
434 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
436 (cpp_destroy): Free a_buff instead of macro_pool.
437 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
438 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
439 _cpp_pool_alloc, ): Remove.
440 (parse_number, parse_string): Update use of _cpp_extend_buff.
441 (_cpp_extend_buff): Update.
442 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
443 * cpplib.c (glue_header_name, parse_answer):
444 Update use of _cpp_extend_buff.
445 (cpp_register_pragma, cpp_register_pragma_space): Use
447 (do_assert, do_unassert): Check for EOL, update.
448 * cppmacro.c (stringify_arg, collect_args): Update to use
449 _cpp_extend_buff and _cpp_append_extend_buff.
450 (save_parameter, parse_params, alloc_expansion_token,
451 _cpp_create_definition): Rework memory management.
453 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
455 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
456 update md_exec_prefix.
457 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
460 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
462 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
463 (SELECT_CC_MODE): Use s390_select_ccmode.
464 * config/s390/s390-protos.h (s390_select_ccmode): Add.
465 * config/s390/s390.c (s390_select_ccmode): New.
466 (s390_match_ccmode): Add CCLmode.
467 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
468 (output_branch_condition, output_inverse_branch_condition): Removed.
469 (print_operand): Use s390_branch_condition_mnemonic.
470 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
471 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
472 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
474 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
475 when converting conditional branches to far branches.
476 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
477 cmpint_di): Use CCSmode instead of CCUmode.
479 * config/s390/s390.c (legitimate_la_operand_p): New.
480 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
481 * config/s390/s390.md (movsi): Convert load address patterns to
482 arithmetic operations when necessary.
483 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
484 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
485 (*do_la_reg_0): Don't use before reload.
487 * config/s390/s390.c (legitimize_address): Make more efficient
488 use of two-register addressing mode.
490 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
491 with -mno-backchain in some corner cases.
493 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
495 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
497 * reload.c (find_reloads): Mark new USE insns with QImode.
498 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
499 find_reloads_subreg_address): Likewise.
500 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
502 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
504 (reload): Make sure there are no USEs with mode other than
505 VOIDmode. At the end, remove those marked with QImode.
507 2001-09-29 Per Bothner <per@bothner.com>
509 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
510 * Makefile.in (includedir): Rename to local_includedir.
511 (includedir): Define as $(prefix)/include.
512 * config.in (PREFIX_INCLUDE_DIR): New variable.
513 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
515 2001-09-29 Bernd Schmidt <bernds@redhat.com>
517 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
519 * doc/extend.texi (Vector Extensions): New node.
520 * doc/invoke.texi (Machine Dependent Options): Add documentation for
521 i386 -mmmx, -msse, -m3dnow.
523 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
525 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
527 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
529 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
531 * doc/invoke.texi (Optimize Options): Delete spurious @table.
533 2001-09-28 Richard Henderson <rth@redhat.com>
535 * varasm.c (assemble_integer): Bound alignment check by
538 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
540 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
542 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
544 2001-09-25 Bernd Schmidt <bernds@redhat.com>
546 Mostly from Graham Stott <grahams@redhat.com>
547 * c-common.c (type_for_mode): Add support for V2SFmode.
548 * tree.c (build_common_tree_nodes_2): Likewise.
549 * tree.h (enum tree_index, global_trees): Likewise.
550 * config/i386/i386.c (x86_3dnow_a): New variable.
551 (override_options): Support 3Dnow extensions.
552 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
553 Athlon's version of 3Dnow.
554 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
555 (ix86_expand_builtin): Handle them.
556 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
557 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
558 TARGET_3DNOW_A): New macros.
559 (TARGET_SWITCHES): Add 3Dnow switches.
560 (VALID_MMX_REG_MODE_3DNOW): New macro.
561 (VECTOR_MODE_SUPPORTED_P): Use it.
562 (enum ix86_builtins): Add entries for 3Dnow builtins.
563 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
564 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
565 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
566 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
567 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
568 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
569 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
570 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
571 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
572 sfence_insn, prefetch): Make these available if TARGET_SSE or
575 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
577 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
578 ix86_va_start, ix86_build_va_list): Declare.
579 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
580 ix86_va_start, ix86_build_va_list): New global functions.
581 * i386.md (sse_prologue_save_insn): New insn.
582 (sse_prologue_save): New expander.
583 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
584 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
586 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
588 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
589 Use size_t everywhere, make definitions consistent with
592 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
594 * gcse.c (replace_store_insn): Use delete_insn.
595 * loop.c (move_movables): Likewise; avoid delete_insn
596 from clobbering notes moved elsewhere.
597 (check_dbra_loop): Use delete_insn.
598 * ssa.c (convert_from_ssa): Likewise.
599 * cse.c (cse_insn): Use delete_insn.
601 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
603 * cpphash.h (struct cpp_buff): Make unsigned.
604 (_cpp_get_buff): Take length of size_t.
605 (_cpp_unaligned_alloc): New.
606 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
607 (struct cpp_reader): Remove ident_pool. Add u_buff.
608 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
609 (cpp_destroy): Destroy u_buff, not ident_pool.
610 * cpplex.c (parse_number, parse_string, save_comment,
611 cpp_token_as_text): Update to use the unaligned buffer.
612 (new_buff): Make unsigned.
613 (_cpp_unaligned_alloc): New.
614 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
615 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
617 (collect_args): Make unsigned.
619 2001-09-27 Zack Weinberg <zack@codesourcery.com>
621 * cpplex.c (cpp_output_token): Use a putc loop for
622 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
624 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
625 * configure, config.in: Regenerate.
626 * system.h: Replace fwrite and fprintf with their unlocked
627 variants if available.
629 2001-09-27 Richard Henderson <rth@redhat.com>
631 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
632 in favour of .eh_frame.
634 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
636 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
638 (LIBCALL_VALUE): Likewise.
640 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
642 * cpphash.h: Update comment.
643 * cpplex.c: Update comments.
644 (_cpp_can_paste): Remove.
645 * cpplib.h (_cpp_can_paste): Remove.
646 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
647 lexer rather than _cpp_can_paste.
649 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
651 * doc/cppinternals.texi: Update.
653 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
655 * cpphash.h (struct cpp_pool): Remove locks and locked.
656 (struct cpp_context): Add member buff.
657 (struct cpp_reader): Remove member argument_pool.
658 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
659 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
660 * cpplex.c (chunk_suitable): Remove pool argument.
661 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
662 (new_buff, _cpp_extend_buff): Update.
663 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
664 which buffer is returned.
665 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
666 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
667 * cppmacro.c (lock_pools, unlock_pools): Remove.
668 (push_ptoken_context): Take a _cpp_buff.
669 (enter_macro_context): Pool locking removed.
670 (replace_args): Use a _cpp_buff for the replacement list with
672 (push_token_context): Clear buff.
673 (expand_arg): Use _cpp_pop_context.
674 (_cpp_pop_context): Free a context's buffer, if any.
676 2001-09-26 DJ Delorie <dj@redhat.com>
678 * c-typeck.c (digest_init): Check for sizeless arrays.
680 2001-09-26 Richard Henderson <rth@redhat.com>
682 * optabs.c (init_one_libfunc): Create a dummy function type
683 instead of using error_mark_node.
685 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
687 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
688 _cpp_extend_buff, _cpp_free_buff): New.
689 (struct cpp_reader): New member free_buffs.
690 * cppinit.c (cpp_destroy): Free buffers.
691 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
692 _cpp_extend_buff, _cpp_free_buff): New.
693 * cpplib.h (struct cpp_options): Remove unused member.
694 * cppmacro.c (collect_args): New. Combines the old parse_arg
695 and parse_args. Use _cpp_buff for memory allocation.
696 (funlike_invocation_p, replace_args): Update.
698 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
700 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
702 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
704 * except.c (sjlj_mark_call_sites): Change address inside sequence.
706 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
708 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
711 2001-09-25 Janis Johnson <janis187@us.ibm.com>
712 Jim Wilson <wilson@redhat.com>
714 * doc/install.texi (Specific, ia64-*-linux): Document.
716 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
718 * Makefile.in (cfgrtl.o): Add.
719 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
720 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
721 free_aux_for_edge): Declare.
723 (HAVE_return): Undefine.
724 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
725 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
726 free_aux_for_edge): New global functions.
727 (first_delete_block): New static variable.
728 (init_flow): Clear first_delete_block.
729 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
730 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
731 try_redirect_by_replacing_jump, last_loop_beg_note,
732 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
733 delete_insn, delete_insn_chain, create_basic_block_structure,
734 create_basic_block, flow_delete_block, compute_bb_for_insn,
735 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
736 set_block_for_new_insns, split_block, merge_blocks_nomove,
737 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
738 redirect_edge_and_branch, force_nonfallthru_and_redirect,
739 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
740 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
741 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
742 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
743 purge_all_dead_edges): Move to ....
744 * cfgrtl.c: New file; .... Here.
746 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
747 (reroder_basic_block): Use alloc_aux_for_blocks.
748 * predict.c (estimate_bb_frequencies): Likewise; use
750 * profile.c (compute_branch_probabilities): Likewise.
751 (branch_prob): Likewise.
752 * reg-stack.c (reg_to_stack): Likewise.
754 * emit-rtl.c (emit_insns_after): Never return NULL.
756 * basic-block.h (set_block_for_new_insns): Delete.
757 * cfgrtl.c (set_block_for_new_insns): Delete.
759 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
760 calls when crossjumping.
762 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
763 * unroll.c (copy_loop_body): Use delete_insn.
765 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
766 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
767 keep_stack_depressed): Likewise.
768 * gcse.c (cprop_cc0_jump): Likewise.
769 * local-alloc.c (update_equiv_regs): Likewise.
770 * loop.c (scan_loop, loop_delete_insns): Likewise.
771 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
772 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
773 delete_output_reload, delete_address_reloads_1,
774 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
776 * sibcall.c (replace_call_placeholder): Likewise.
777 * cse.c (cse_insn): Likewise.
779 2001-09-25 Bernd Schmidt <bernds@redhat.com>
781 From Graham Stott <grahams@redhat.com>
782 (def_builtin): Only define builtins appropriate for target_flags. All
784 (builtin_decsription): Add new field mask which is used to determine
785 when to define the builtin via the macro def_builtin.
787 (bdesc_comi): Initialise new mask fields.
788 (bdesc_2srg): Likewise.
789 (bdesc_1arg): Likewise.
791 * config/i386/i386.c (ix86_init_builtins): Correct return type
792 building v4hi_ftype_v4hi_int_int tree node.
793 (ix86_expand_sse_comi): Fix typo swapping operands.
794 Don't swap comparision condition, it is already swapped.
795 (ix86_expand_sse_compare): Before swapping operands
796 move operand 1 into new rtx and not the target rtx.
797 Don't swap comparison condition, it is already swapped.
798 Always check whether we need to create a new TARGET.
800 * config/i386/i386.md: (sse_comi) Fix typos.
801 (sse_ucomi): Likewise.
802 (cvtss2si): Fix operand 0 contraint.
803 (cvttss2si): Likewise.
804 (sse_unpckhps): Fix mode for operand 2.
805 (sse_unpcklps): Likewise.
807 2001-09-25 Graham Stott <grahams@redhat.com>
809 * sibcall.c (skip_copy_to_return_value): Tighten return value
812 2001-09-24 David Edelsohn <edelsohn@gnu.org>
814 * rs6000.c (lwa_operand): Address must be word aligned.
816 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
818 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
820 (type_hash_mark): Mark type itself.
822 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
824 * c-lex.c (cb_def_pragma): Update.
825 (c_lex): Update, and skip padding.
826 * cppexp.c (lex, parse_defined): Update, remove unused variable.
827 * cpphash.h (struct toklist): Delete.
829 (struct cpp_context): Update.
830 (struct cpp_reader): New members eof, avoid_paste.
831 (_cpp_temp_token): New.
832 * cppinit.c (cpp_create_reader): Update.
833 * cpplex.c (_cpp_temp_token): New.
834 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
835 (cpp_output_token): Don't print leading whitespace.
836 (cpp_output_line): Update.
837 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
838 do_include_common, do_line, do_ident, do_pragma,
839 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
840 parse_assertion): Update.
841 (get_token_no_padding): New.
842 * cpplib.h (CPP_PADDING): New.
843 (AVOID_LPASTE): Delete.
844 (struct cpp_token): New union member source.
845 (cpp_get_token): Update.
846 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
847 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
848 replace_args, quote_string, stringify_arg, parse_arg, next_context,
849 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
850 _cpp_backup_tokens, _cpp_create_definition): Update.
851 (push_arg_context): Delete.
852 (padding_token, push_token_context, push_ptoken_context): New.
853 (make_string_token, make_number_token): Update, rename.
854 (cpp_get_token): Update to handle tokens as pointers to const,
855 and insert padding appropriately.
856 * cppmain.c (struct printer): New member prev.
857 (check_multiline_token): Constify.
858 (do_preprocessing, cb_line_change): Update.
859 (scan_translation_unit): Update to handle spacing.
860 * scan-decls.c (get_a_token): New.
861 (skip_to_closing_brace, scan_decls): Update.
862 * fix-header.c (read_scan_file): Update.
864 * doc/cpp.texi: Update.
866 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
869 leak by passing malloc'ed pointer to reconcat, not concat.
871 2001-09-24 DJ Delorie <dj@redhat.com>
873 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
875 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
877 * flow.c (delete_dead_jumptables): Delete jumptable if the only
878 reference is from the literal pool.
880 2001-09-24 Janis Johnson <janis187@us.ibm.com>
882 * doc/install.texi (Final install): Request additional information
883 in mail about successful builds.
885 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
887 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
888 initial value of return pointer register instead of value in frame-20.
891 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
893 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
894 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
895 the libcall if there isn't a referenced identifier for the symbol.
897 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
899 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
900 non 64-bit machines. Use these as a plabel for the trampoline.
901 (TRAMPOLINE_SIZE): Adjust size for new words.
902 (INITIALIZE_TRAMPOLINE): Initialize new words.
903 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
904 pointer to the plabel in the trampoline.
906 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
908 * pa.c (function_arg): Pass floating arguments in both general and
909 floating registers in indirect (dynamic) calls when generating code
910 for the 32 bit ABI and the HP assembler.
912 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
914 * doc/install.texi: Markup fixes.
915 Use Solaris 2, SunOS 4 as appropriate.
916 (Specific, *-*-solaris2*): Explain this.
917 Unconditionally warn against /usr/ucb tools.
918 Remove Sun as warning, obsolete.
919 Move X11 header bug workaround here, update patches.
920 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
921 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
923 2001-09-23 Zack Weinberg <zack@codesourcery.com>
925 * errors.h (warning, error, fatal, internal_error): Don't mark
926 with ATTRIBUTE_PRINTF_n.
927 * toplev.h (internal_error, fatal_io_error, warning, error,
928 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
929 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
932 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
934 * function.c (pop_function_context_from): var_refs_queue
935 and temp slots now in GC memory.
936 (mark_function_status, free_after_compilation): Likewise;
937 also struct function now in GC memory.
938 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
939 (combine_temp_slots): Likewise.
940 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
941 (prepare_function_start): Use GC memory for struct function.
942 (mark_temp_slot): Deleted.
943 (gcc_mark_struct_function): struct function now in GC memory.
945 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
946 code for division, not modulus.
948 * rtl.def (MEM): Remove obsolete part of comment.
950 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
952 * c-format.c (init_function_format_info): Check __builtin_printf
953 and __builtin_fprintf even if -ffreestanding. Check C99 functions
956 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
958 * c-common.c (format_attribute_table): Remove decl.
959 * tree.h (format_attribute_table, lang_attribute_table): New decls.
960 (lang_attribute_common): Likewise.
962 * function.c (fix_lexical_address): Use set_mem_alias_set.
963 (expand_function_start): Likewise.
964 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
966 * varasm.c (output_constant): Fix unused variable warning.
968 * attribs.c: New file, from c-common.c.
969 (attribute_tables): Now four elements.
970 (format_attribute_table, lang_attribute_common): New variables.
971 (init_attributes): Reflect above changes.
972 (handle_mode_attribute): Delete check for wider than uintmax.
973 * c-common.c: Delete parts moved to attribs.c.
974 (enum attrs): Deleted; unused.
975 (c_format_attribute_table): New variable.
976 (c_common_lang_init): Initialize format_attribute_table with it.
977 * c-common.h (decl_attributes): Remove decl.
978 * tree.h (decl_attribute): Move it to here.
979 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
980 (attribs.o): New rule.
982 2001-09-22 Andreas Jaeger <aj@suse.de>
984 * builtins.c (c_getstr): Remove unused variable.
986 2001-09-21 Richard Henderson <rth@redhat.com>
988 * reload1.c (reload): Use delete_insn instead of splatting
991 2001-09-21 Richard Henderson <rth@redhat.com>
993 * reload.c (push_secondary_reload): Don't check for "=" in output
994 constraint after ""->ALL_REGS check.
996 2001-09-21 Richard Henderson <rth@redhat.com>
998 * predict.c (expected_value_to_br_prob): Use pc_set.
1000 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
1001 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
1003 2001-09-21 Richard Henderson <rth@redhat.com>
1005 * rtl.h (LCT_RETURNS_TWICE): New.
1006 * calls.c (emit_call_1): Set current_function_calls_setjmp for
1008 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
1009 to ECF_RETURNS_TWICE.
1010 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
1013 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
1015 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
1016 (JMP_BUF_SIZE): New.
1018 2001-09-21 Richard Henderson <rth@redhat.com>
1020 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
1023 2001-09-21 Richard Henderson <rth@redhat.com>
1025 * tree.def (FDESC_EXPR): New.
1026 * expr.c (expand_expr): Handle it.
1027 * varasm.c (initializer_constant_valid_p): Likewise.
1028 (output_constant): Likewise.
1029 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1030 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1031 (ASM_OUTPUT_FDESC): New.
1032 * doc/tm.texi: Document the new macros.
1034 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1036 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1037 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1038 once merging is complete.
1040 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1042 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1044 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1046 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1047 that would be invalid after a merge.
1049 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1051 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1052 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1054 (flow_delete_insn): This one.
1055 (delete_insn_chain): Rename from ...; do not care labels.
1056 (flow_delete_insn_chain): ... this one.
1057 (flow_delete_block): Remove the insns one BB has been expunged.
1058 (merge_blocks_nomove): Likewise.
1059 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1060 updating BB boundaries.
1061 (tidy_fallthru_edge): Likewise.
1062 (commit_one_edge_insertion): Likewise.
1063 * cfgbuild.c (find_basic_block): Likewise.
1064 (find_basic_blocks_1): Likewise.
1065 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1066 (try_crossjump_to_edge): Likewise.
1067 (try_optimize_cfg): Likewise.
1068 * cse.c (delete_trivially_dead_insns): Likewise.
1069 * df.c (df_insn_delete): Likewise.
1070 * doloop.c (doloop_modify): Use delete_related_insns.
1071 * emit-rtl.c (try_split): Likewise.
1072 (remove_insn): Update BB boundaries.
1073 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1074 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1075 updating BB boundaries.
1076 (propagate_block_delete_insn): Likewise.
1077 (propagate_block_delete_libcall): Likewise.
1078 * function.c (delete_handlers): Use delete_related_insns.
1079 (thread_prologue_and_epilogue_insns): Likewise.
1080 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1081 * genpeep.c (gen_peephole): Use delete_related_insns.
1082 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1084 (find_cond_trap): Likewise.
1085 * integrate.c (save_for_inline): Use delete_related_insns.
1086 (copy_insn_list): Likewise.
1087 * jump.c (pruge_linie_number_notes): Likewise.
1088 (duplicate_loop_exit_test): Likewise.
1089 (delete_computation): Likewise.
1090 (delete_related_insn): Rename from ...; use delete_insn
1091 (delete_insn): ... this one.
1092 (redirect_jump): Use delete_related_insns.
1093 * loop.c (scan_loop): Likewise.
1094 (move_movables): Likewise.
1095 (find_and_verify_loops): Likewise.
1096 (check_dbra_loop): Likewise.
1097 * recog.c (peephole2_optimize): Likewise.
1098 * reg-stack.c (delete_insn_for_stacker): Remove.
1099 (move_for_stack_reg): Use delete_insn.
1100 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1101 * reload1.c (delete_address_reloads): Use delete_related_insns.
1102 (fixup_abnormal_edges): Use delete_insn.
1103 * recog.c (emit_delay_sequence): Use delete_related_insns.
1104 (delete_from-delay_slot): Likewise.
1105 (delete_scheduled_jump): likewise.
1106 (optimize_skip): Likewise.
1107 (try_merge_delay_insns): Likewise.
1108 (full_simple_delay_slots): Likewise.
1109 (fill_slots_from_thread): Likewise.
1110 (relax_delay_slots): Likewise.
1111 (make_return_insns): Likewise.
1112 (dbr_schedule): Likewise.
1113 * rtl.h (delete_insn): Rename to delete_related_insns.
1114 (delete_insn, delete_insn_chain): New prototypes.
1115 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1116 by df_insn_delete already.
1117 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1118 * ssa.c (convert_from_ssa): Use delete_related_insns.
1119 * unroll.c (unroll_loop): Likewise.
1120 (calculate_giv_inc): Likewise.
1121 (copy_loop_body): Likewise.
1123 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1124 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1125 ix86_return_in_memory, ix86_function_value): Declare.
1126 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1127 new static valurables.
1128 (x86_64_reg_class): New enum
1129 (x86_64_reg_class_name): New array.
1130 (classify_argument, examine_argument, construct_container,
1131 merge_classes): New static functions.
1132 (optimization_options): Enable flag_omit_frame_pointer and disable
1133 flag_pcc_struct_return on 64bit.
1134 (ix86_libcall_value, ix86_function_value,
1135 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1136 ix86_return_in_memory, ix86_function_value): New global functions.
1137 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1138 (function_arg_advance): Handle x86_64 passing conventions.
1139 (function_arg): Likewise.
1140 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1141 (RETURN_IN_MEMORY): Move offline.
1142 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1143 (FUNCTION_VALUE_REGNO_P): New macro.
1144 (FUNCTION_ARG_REGNO_P): Move offline.
1145 (struct ix86_args): Add maybe_vaarg.
1146 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1147 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1149 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1151 * s390.md: Changed attributes for scheduling.
1152 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1155 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1157 Table-driven attributes.
1158 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1159 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1160 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1161 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1162 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1163 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1164 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1165 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1166 * tree.h (struct tree_decl): Change machine_attributes to
1168 * doc/c-tree.texi: Document that all attributes are now attached
1170 * c-common.c (add_attribute, attrtab, attrtab_idx,
1171 default_valid_lang_attribute, valid_lang_attribute): Remove.
1172 (attribute_tables, attributes_initialized,
1173 c_common_attribute_table, default_lang_attribute_table): New
1175 (handle_packed_attribute, handle_nocommon_attribute,
1176 handle_common_attribute, handle_noreturn_attribute,
1177 handle_unused_attribute, handle_const_attribute,
1178 handle_transparent_union_attribute, handle_constructor_attribute,
1179 handle_destructor_attribute, handle_mode_attribute,
1180 handle_section_attribute, handle_aligned_attribute,
1181 handle_weak_attribute, handle_alias_attribute,
1182 handle_no_instrument_function_attribute,
1183 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1184 handle_no_limit_stack_attribute, handle_pure_attribute): New
1186 (init_attributes, decl_attributes): Rewrite to implement
1187 table-driven attributes.
1188 * c-common.h (enum attribute_flags): Move to tree.h.
1189 * c-format.c (decl_handle_format_attribute,
1190 decl_handle_format_arg_attribute): Rename to
1191 handle_format_attribute and handle_format_arg_attribute. Update
1192 for table-driven attributes.
1193 * c-common.h (decl_handle_format_attribute,
1194 decl_handle_format_arg_attribute): Remove prototypes.
1195 (handle_format_attribute, handle_format_arg_attribute): Add
1197 * c-decl.c (grokdeclarator): Handle attributes nested inside
1199 * c-parse.in (setattrs, maybe_setattrs): Remove.
1200 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1201 Update to handle nested attributes properly.
1202 (maybe_resetattrs, after_type_declarator,
1203 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1204 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1206 (make_pointer_declarator): Update to handle nested attributes
1208 * doc/extend.texi: Update documentation of limits of attributes
1209 syntax. Warn about problems with attribute semantics in C++.
1210 * target.h (struct target): Remove valid_decl_attribute and
1211 valid_type_attribute. Add attribute_table and
1212 function_attribute_inlinable_p.
1213 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1214 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1215 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1217 (TARGET_INITIALIZER): Update.
1218 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1220 (function_attribute_inlinable_p): New function. Check for the
1221 presence of any machine attributes before using
1222 targetm.function_attribute_inlinable_p.
1223 (function_cannot_inline_p): Update.
1224 * Makefile.in (integrate.o): Update dependencies.
1225 * doc/tm.texi: Update documentation of target attributes and
1226 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1227 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1229 (default_target_attribute_table,
1230 default_function_attribute_inlinable_p): New.
1231 (lookup_attribute): Update comment to clarify handling of multiple
1232 attributes with the same name.
1233 (merge_attributes, attribute_list_contained): Allow multiple
1234 attributes with the same name but different arguments to appear in
1235 the same attribute list.
1236 * tree.h (default_valid_attribute_p): Remove prototype.
1237 (struct attribute_spec): New.
1238 (default_target_attribute_table): Declare.
1239 (enum attribute_flags): Move from c-common.h. Add
1240 ATTR_FLAG_TYPE_IN_PLACE.
1241 (default_function_attribute_inlinable_p): Declare.
1242 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1243 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1244 (TARGET_ATTRIBUTE_TABLE): Define.
1245 (vms_attribute_table): New.
1246 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1247 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1248 (TARGET_ATTRIBUTE_TABLE): Define.
1249 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1250 * config/arm/arm.c (arm_valid_type_attribute_p,
1251 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1253 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1255 (TARGET_ATTRIBUTE_TABLE): Define.
1256 (arm_attribute_table, arm_handle_fndecl_attribute,
1257 arm_handle_isr_attribute): New.
1258 * config/avr/avr.c (avr_valid_type_attribute,
1259 avr_valid_decl_attribute): Remove.
1260 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1262 (TARGET_ATTRIBUTE_TABLE): Define.
1263 (avr_attribute_table, avr_handle_progmem_attribute,
1264 avr_handle_fndecl_attribute): New.
1265 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1266 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1267 (TARGET_ATTRIBUTE_TABLE): Define.
1268 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1269 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1270 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1271 (TARGET_ATTRIBUTE_TABLE): Define.
1272 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1273 h8300_handle_eightbit_data_attribute,
1274 h8300_handle_tiny_data_attribute): New.
1275 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1276 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1278 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1280 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1281 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1283 (TARGET_ATTRIBUTE_TABLE): Define.
1284 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1285 ix86_handle_regparm_attribute): New.
1286 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1287 i386_pe_valid_type_attribute_p): Remove.
1288 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1289 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1290 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1291 (TARGET_ATTRIBUTE_TABLE): Define.
1292 (ia64_attribute_table): New.
1293 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1294 interrupt_ident2, model_ident1, model_ident2): Remove.
1295 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1296 (TARGET_ATTRIBUTE_TABLE): Define.
1297 (init_idents): Update.
1298 (m32r_attribute_table, m32r_handle_model_attribute): New.
1299 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1301 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1302 (TARGET_ATTRIBUTE_TABLE): Define.
1303 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1304 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1305 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1306 (TARGET_ATTRIBUTE_TABLE): Define.
1307 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1308 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1309 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1310 (TARGET_ATTRIBUTE_TABLE): Define.
1311 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1312 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1313 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1314 (TARGET_ATTRIBUTE_TABLE): Define.
1315 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1316 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1317 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1318 (TARGET_ATTRIBUTE_TABLE): Define.
1319 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1320 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1322 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1324 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1325 (TARGET_ATTRIBUTE_TABLE): Define.
1326 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1328 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1329 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1330 (TARGET_ATTRIBUTE_TABLE): Define.
1331 (v850_attribute_table, v850_handle_interrupt_attribute,
1332 v850_handle_data_area_attribute): New.
1333 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1334 Return void. Call decl_attributes instead of
1335 valid_machine_attribute.
1337 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1339 * sh-protos.h (sh_pr_n_sets): Declare.
1340 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1341 look at the copy to determine if PR needs to be saved.
1342 sh_pr_n_sets: New function.
1343 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1344 (ALLOCATE_INITIAL_VALUE): Define.
1346 * sh.c (initial_elimination_offset):
1347 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1349 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1351 * integrate.c (allocate_initial_values): New function.
1352 * integrate.h (allocate_initial_values): Declare.
1353 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1355 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1357 * toplev.c (rest_of_compilation): To here.
1358 Call allocate_initial_values.
1359 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1361 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1363 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1365 2001-09-20 DJ Delorie <dj@redhat.com>
1367 * c-typeck.c (really_start_incremental_init): Discriminate
1368 between zero-length arrays and flexible arrays.
1369 (push_init_level): Detect zero-length arrays and handle them
1370 like fixed-sized arrays.
1371 * expr.c (store_constructor): Handle zero-length arrays and
1372 flexible arrays correctly.
1373 * doc/extend.texi: Update zero-length array notes.
1375 2001-09-20 Jim Wilson <wilson@redhat.com>
1377 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1378 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1379 for issue port conflicts.
1380 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1382 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1384 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1387 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1389 * fold-const.c (hashtab.h): Include.
1390 (int_const_binop): Remove FORSIZE arg and compute from type; all
1392 Call size_int_type_wide for all single-word constants.
1393 (size_htab_hash, size_htab_eq): New functions.
1394 (size_int_type_wide): Rework to use hash table.
1395 * ggc-common.c (hashtab.h): Include.
1396 (struct d_htab_root): New struct.
1397 (d_htab_roots): New variable.
1398 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1399 (ggc_mark_roots): Handle deletable htabs.
1400 * ggc-page.c (ggc_marked_p): New function.
1401 * ggc-simple.c (ggc_marked_p): Likewise.
1402 * ggc.h: Reformatting throughout.
1403 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1404 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1405 (type_hash_add): Allocate struct type_hash from GC memory.
1406 (mark_hash_entry, mark_type_hash): Deleted.
1407 (type_hash_marked_p, type_hash_mark): New functions.
1408 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1410 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1412 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1415 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1417 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1418 array-too-large test for signed sizetype.
1420 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1422 * i386.md (indirect_jump): Allow Pmode operand.
1423 (tablejump): LIkewise; perform expansion to 64bit mode.
1424 * i386.c (symbolic_operand): Allow 64bit PIC references.
1425 (pic_symbolic_operand): Likewise.
1426 (ix86_find_base_term): Strip the 64bit PIC references.
1427 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1428 (legitimize_pic_address): Likewise.
1429 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1430 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1432 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1434 * stringpool.c (get_identifier_with_length): New function.
1435 * tree.h (get_identifier_with_length): New prototype.
1437 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1438 David Edelsohn <edelsohn@gnu.org>
1441 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1442 already sign-extended.
1444 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1445 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1447 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1448 (output_profile_hook): Declare label_name const.
1449 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1450 to match constraints.
1452 2001-09-19 Stan Shebs <shebs@apple.com>
1454 * alias.c: Fix typos in comments.
1455 * sched-rgn.c (init_ready_list): Ditto.
1456 * unwind-dw2.c (uw_frame_state_for): Ditto.
1457 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1458 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1459 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1461 2001-09-19 Richard Henderson <rth@redhat.com>
1463 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1465 * Makefile.in (cfg.o): Depend on TM_P_H.
1467 2001-09-19 Richard Henderson <rth@redhat.com>
1469 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1470 (local_symbolic_operand): ... here.
1471 (small_symbolic_operand): Check mode.
1472 (global_symbolic_operand): New.
1473 (input_operand): Reject symbolics if explicit relocs.
1474 (call_operand): Tidy.
1475 (alpha_legitimize_address): Use movdi_er_high_g.
1476 (alpha_expand_mov): Likewise.
1477 * config/alpha/alpha-protos.h: Update.
1478 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1479 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1480 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1481 (UNSPECV_LDGP2): Remove.
1482 (all call patterns): Use 's' not 'i' for symbolic constraint.
1483 (call_osf call_value_osf): Use call_operand.
1484 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1485 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1486 (prologue_ldgp_1_er): Remove.
1487 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1488 (builtin_setjmp_receiver_er patterns): Use them.
1489 (exception_receiver_er): Likewise.
1491 2001-09-19 Richard Henderson <rth@redhat.com>
1493 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1495 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1496 and NON_LOCAL_GOTO notes.
1497 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1498 copy over CALL_INSN_FUNCTION_USAGE.
1500 2001-09-18 Catherine Moore <clm@redhat.com>
1502 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1505 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1507 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1508 new-style tm_file specification. Specify correct tm_p_file,
1509 md_file, and out_file for s390x.
1511 * config/s390/linux.h, linux64.h: Don't include other target
1512 macro header files. Now handled via tm_file.
1514 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1515 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1516 are defined before use.
1518 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1520 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1521 code generation only for Gnu assembler.
1523 2001-09-18 Catherine Moore <clm@redhat.com>
1525 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1527 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1529 * config/mips/mips.c (mips_frame_set): New.
1530 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1531 a parallel frame-related expression with a set for each register.
1533 2001-09-18 Philip Blundell <philb@gnu.org>
1535 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1538 2001-09-17 Dale Johannesen <dalej@apple.com>
1540 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1541 * config/rs6000/aix.h (FIXED_R2): Define.
1542 * config/rs6000/darwin.h (FIXED_R2): Define.
1543 * config/rs6000/sysv4.h (FIXED_R2): Define.
1545 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1547 * except.c (dw2_build_landing_pads): New local
1548 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1549 barrier after clobbers. Fixes c++/4012.
1551 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1553 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1555 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1557 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1558 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1560 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1562 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1565 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1567 * cpphash.h (_cpp_lex_direct): New.
1568 * cpplex.c (_cpp_lex_token): Update.
1569 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1570 and increment that pointer.
1571 * cppmacro.c (alloc_expansion_token): New.
1572 (lex_expansion_token): Lex macro expansion directly into
1575 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1577 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1579 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1581 * basic-block.h (free_bb_for_insn): Declare.
1582 * bb-reorder.c (label_for_bb): Use block_label.
1583 (emit_jump_to_block_after): Remove.
1584 (insert_intra_1): Do not update block_for_insn.
1585 (insert_inter_bb_scope_notes): Likewise; update bb->end
1586 * cfg.c (free_bb_for_insn): New.
1587 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1588 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1589 (commit_one_edge_insertion): Likewise.
1590 (commit_one_edge_insertion): Do not update BB boundary.
1591 (commit_edge_insertions): Do not call compute_bb_for_insn.
1592 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1593 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1594 (merge_blocks_move_successor_nojumps): Likewise.
1595 (try_crossjump_to_edge): Do not update block_for_insn.
1596 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1597 * df.c (df_pattern_emit_later): Do not update BB boundary.
1598 (df_jump_pattern_emit_after): Likewise.
1599 (df_insn_move_before): Use emit_insn_before.
1600 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1602 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1603 boundaries and basic_block_for_insn.
1604 (reorder_insns_nobb): Rename from reorder_insns.
1605 (reorder_insns): New.
1606 (emit_block_insn_before, emit_block_insn_after): Kill.
1607 * flow.c (check_function_return_warnings): Do not call
1608 compute_bb_for_insn; Do not free basic_block_for_insn.
1609 (attempt_auto_inc): Do not update basic_block_for_insn.
1610 * function.c (emit_return_into_block): Likewise;
1611 do not update BB boundaries.
1612 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1613 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1614 (pre_insert_copy_insn): Likewise.
1615 (update_ld_motion_notes): Likewise.
1616 (insert_insn_start_bb): Likewise.
1617 (replace_store_insn): Likewise.
1618 * ifcvt.c (noce_process_if_block): Likewise.
1619 (if_convert): Do not call compute_bb_for_insn.
1620 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1621 Use emit_insn_before and emit_insn_after.
1622 * recog.c (split_all_insns): Do not update BB boundaries;
1623 Do not call compute_bb_for_insn.
1624 (peephole2_optimize): Do not update BB boundaries.
1625 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1627 (emit_swap_insn): Likewise.
1628 (convert_regs_1): Likewise.
1629 * reload1.c (reload): Call compute_bb_for_insn.
1630 * rtl.h (reorder_insns_nobb): Declare.
1631 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1632 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1633 at places CFG is invalidated; do not call compute_bb_for_insn.
1635 * cfg.c (expunge_block): Invalidate BB structure.
1637 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1640 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1642 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1644 * cpphash.h (_cpp_lex_token): Update prototype.
1645 * cpplex.c (_cpp_lex_token): New prototype.
1646 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1647 lex_macro_node, read_flag, do_pragma_poison): Update.
1648 * cppmacro.c (cpp_get_token, parse_params,
1649 lex_expansion_token): Update.
1651 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1653 * cppmain.c (scan_translation_unit): Don't worry about
1654 putting a space after hashes.
1655 * cpplib.c (directive_diagnostics): New.
1656 (_cpp_handle_directive): Update to use directive_diagnostics.
1657 (run_directive): Don't toggle prevent_expansion.
1658 (do_line): Backup in case of the line extension.
1659 * cpplib.h (cpp_lexer_pos): Remove.
1660 * cppmacro.c (_cpp_create_definition): Precede a leading #
1663 2001-09-15 Richard Henderson <rth@redhat.com>
1665 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1667 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1669 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1671 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1673 PR preprocessor/3571
1674 * tradcpp.c (handle_directive): Skip non-vertical space.
1676 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1678 * cppmain.c (setup_callbacks): Set line callback only
1679 if outputting preprocessed source.
1681 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1683 * collect2.c (main): Const-ification.
1684 * gcc.c (translate_options, process_command): Use xstrdup in
1685 lieu of xmalloc/strcpy.
1686 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1688 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1690 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1693 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1695 * scan-decls.c (scan_decls): Fix typo.
1697 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1699 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1700 Split mlstring_pos into mls_line and mls_col.
1701 * cppinit.c (cpp_create_reader): Initialize line to 1.
1702 (cpp_destroy): Free tokenruns.
1703 (push_include): Don't update lexer_pos.
1704 * cpplex.c (unterminated, parse_string): Update.
1705 (lex_token): Don't update lexer_pos, update.
1706 * cpplib.c (if_stack): Save line instead of line + col.
1707 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1708 push_conditional, _cpp_pop_buffer): Update.
1709 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1710 (_cpp_create_definition): Update.
1712 2001-09-15 Eric Christopher <echristo@redhat.com>
1714 * config/mips/abi64.h: Add support for MEABI.
1716 2001-09-15 Eric Christopher <echristo@redhat.com>
1718 * config/mips/mips.md: Add unspec #2.
1720 (reload_outdi): Ditto.
1721 (reload_outsi): Ditto.
1724 2001-09-15 Eric Christopher <echristo@redhat.com>
1725 Jason Eckhardt <jle@redhat.com>
1727 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1728 * config/mips/isa32-linux.h: New file.
1729 * config/mips/isa3264.h: Ditto.
1730 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1731 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1732 (output_block_mode): Support MEABI.
1733 (function_arg): Ditto. Fix floating point arg passing.
1734 (mips_va_start): Ditto.
1735 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1737 (mips_asm_file_start): Add new section to pass abi to gdb.
1738 (function_arg_pass_by_reference): Support MEABI.
1739 (mips_parse_cpu): Support mips32 and mips64 processors.
1740 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1741 TARGET_MIPS5KC. Support isa32 and isa64.
1742 (processor_type): Add r4kc, r5kc, r20kc.
1743 (GENERATE_MULT3_SI): New.
1744 (GENERATE_MULT3_DI): Ditto.
1745 (GENERATE_MULT3): Remove.
1746 (ISA_HAS_64BIT_REGS): Add isa == 64.
1747 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1748 (ISA_HAS_MADD_MSUB): New.
1749 (ISA_HAS_CLZ_CLO): Ditto.
1750 (ISA_HAS_DCLZ_DCLO): Ditto.
1751 (ABI_GAS_ASM_SPEC): New.
1752 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1755 (SUBTARGET_CC1_SPEC): Ditto.
1756 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1757 (PAD_VARARGS_DOWN): Support MEABI.
1758 (HARD_REGNO_NREGS): Move to mips.c.
1759 (ASM_OUTPUT_IDENT): Add #undef.
1760 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1761 (mulsi3): Use GENERATE_MULT3_SI.
1762 (mulsi3_mult3): Ditto. Support mips32, mips64.
1763 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1764 (mul_sub_si): New pattern.
1765 (unnamed splitters): New.
1766 (muldi3): Use GENERATE_MULT3_DI.
1767 (muldi3_internal2): Ditto.
1768 (movdicc): Support mips32.
1769 * config/mips/t-isa3264: New file.
1771 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1773 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1774 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1775 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1777 * reorg.c (fill_slots_from_thread): After call to
1778 steal_delay_list_from_target, update own_thread as new_thread may
1781 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1783 * cpperror.c (print_location): Take line and column, for
1784 default positioning use the previously lexed token.
1785 (_cpp_begin_message): Take line and column.
1786 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1787 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1788 * cpphash.h (_cpp_begin_message): Update prototype.
1789 * cppinit.c (push_include): Don't set output line.
1790 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1791 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1792 (do_pragma): Kludge for front ends. Don't expand macros at all.
1793 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1794 (struct cpp_token): Remove output_line.
1795 (struct cpp_callbacks): New member line_change.
1796 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1797 cpp_get_token): Preserve BOL flag.
1798 (cpp_get_line): Remove.
1799 (_cpp_backup_tokens): Remove useless abort().
1800 * cppmain.c (cb_line_change): New.
1801 (scan_translation_unit): Don't worry about starting new lines here.
1802 * scan-decls.c (scan_decls): Update.
1803 * c-lex.c (c_lex, init_c_lex): Update.
1804 (cb_line_change, src_lineno): New.
1806 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1808 * tree.c (append_random_chars): Generate the random
1809 characters in a reproducable fashion.
1811 2001-09-14 Richard Henderson <rth@redhat.com>
1813 * config/i386/i386.c (internal_label_prefix): New.
1814 (internal_label_prefix_len): New.
1815 (override_options): Set them.
1816 (local_symbolic_operand): New.
1817 (legitimate_pic_address_disp_p): Use it.
1818 (legitimize_pic_address): Likewise.
1820 2001-09-14 Marc Espie <espie@openbsd.org>
1822 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1825 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1827 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1828 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1830 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1832 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1833 invocation of SUBREG_REGNO_OFFSET.
1835 * haifa-sched.c: Fix typo in FSF copyright statement.
1836 * sched-deps.c: Fix typo in FSF copyright statement.
1837 * sched-ebb.c: Fix typo in FSF copyright statement.
1838 * sched-rgn.c: Fix typo in FSF copyright statement.
1839 * sched-vis.c: Fix typo in FSF copyright statement.
1841 * config.gcc: Move inclusion of arm elf specific header files
1842 from the files themselves into the tm_file variable. Make
1843 sure that elfos.h is included before target specific elf
1845 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1847 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1848 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1849 ASM_OUTPUT_CASE_LABEL): Protect definition.
1850 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1851 not already defined.
1852 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1853 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1854 Remove duplicate definition.
1855 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1856 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1857 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1858 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1859 Remove inclusion of arm/elf.h.
1860 * config/arm/unknown-elf.h: as for conix-elf.h.
1861 (STARTFILE_SPEC): Include crti.o and crtn.o.
1862 * config/arm/linux-elf.h: as for conix-elf.h.
1863 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1864 * config/arm/strongarm-elf.h: Remove inclusion of
1866 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1867 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1868 unknown-elf.h and elf.h.
1869 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1870 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1871 ASM_WEAKEN_LABEL): Remove redundant definition.
1872 * config/arm/elf.h: Test for inclusion of elfos.h
1873 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1874 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1875 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1876 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1877 redundant definition.
1878 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1879 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1880 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1881 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1882 Add rules to build crti.o and crtn.o
1883 * crti.asm: New file.
1884 * crtn.asm: New file.
1886 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1888 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1889 * cpphash.h (struct tokenrun): Add prev.
1890 (struct lexer_state): Remove bol.
1891 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1892 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1894 * cppinit.c (cpp_create_reader): Don't set bol.
1895 (cpp_destroy): Don't free lookaheads.
1896 * cpplex.c (lex_directive): Remove.
1897 (next_tokenrun): Update.
1898 (_cpp_lex_token): Clean up logic.
1899 (lex_token): Update to return a pointer to lexed token, since it
1900 can move to the start of the buffer. Simpify newline handling.
1901 * cpplib.c (SEEN_EOL): Update.
1902 (skip_rest_of_line): Remove lookahead stuff.
1903 (end_directive): Line numbers are already incremented. Revert
1904 to start of lexed token buffer if we can.
1905 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1906 parse_answer): Use _cpp_backup_tokens.
1907 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1908 instead. Don't check for EOL.
1909 (do_include_common, do_line, do_pragma_system_header): Use
1911 * cpplib.h (BOL, _cpp_backup_tokens): New.
1912 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1913 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1914 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1915 (builtin_macro): Don't use cpp_get_line.
1916 (cpp_get_line): Short term kludge.
1917 (parse_arg): Handle directives in arguments here. Back up when
1918 appropriate. Store EOF at end of argument list.
1919 (funlike_invocation_p): Use _cpp_backup_tokens.
1920 (push_arg_context): Account for EOF at end of list.
1921 (cpp_get_token): Remove lookahead stuff. Update.
1923 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1925 * c-parse.in (yyerror): Const-ification and/or static-ization.
1926 * c-typeck.c (push_member_name): Likewise.
1927 * collect2.c (main): Likewise.
1928 * dbxout.c (dbxout_parms): Likewise.
1929 * diagnostic.c (format_with_decl): Likewise.
1930 * dwarf2out.c (output_ranges): Likewise.
1931 * dwarfout.c (fundamental_type_code): Likewise.
1932 * except.c (dw2_output_call_site_table): Likewise.
1933 * gcc.c (do_spec_1): Likewise.
1934 * genopinit.c (optabs): Likewise.
1935 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1936 gen_declaration_1, handle_impent): Likewise.
1937 * protoize.c (default_include, in_system_include_dir, abspath):
1939 * sched-vis.c (visualize_stall_cycles): Likewise.
1940 * sdbout.c (plain_type_1, sdbout_end_function,
1941 sdbout_end_epilogue): Likewise.
1942 * varasm.c (decode_reg_name): Likewise.
1944 * 1750a.c (mod_regno_adjust): Likewise.
1945 * alpha.c (alpha_write_one_linkage,
1946 unicosmk_output_default_externs): Likewise.
1947 * arm.c (arm_condition_codes): Likewise.
1948 * arm.h (arm_condition_codes): Likewise.
1949 * avr.c (output_movsisf, encode_section_info): Likewise.
1950 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1952 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1953 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1954 * m88k.c (output_function_profiler): Likewise.
1955 * mips.c (mips_output_conditional_branch): Likewise.
1956 * ns32k.c (ns32k_out_reg_names): Likewise.
1957 * ns32k.h (ns32k_out_reg_names): Likewise.
1958 * pj.c (pj_output_rval): Likewise.
1959 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1960 * sparc.c (sparc_flat_function_prologue,
1961 sparc_flat_function_epilogue): Likewise.
1963 2001-09-13 Markus Werle <numerical.simulation@web.de>
1964 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1966 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1967 Aachen University of Technology".
1969 2001-09-13 Andreas Schwab <schwab@suse.de>
1971 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1974 2001-09-13 Richard Henderson <rth@redhat.com>
1976 * config/alpha/alpha.c (small_symbolic_operand): New.
1977 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1978 (some_operand, input_operand): Don't handle HIGH.
1979 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1980 (alpha_expand_mov): Likewise.
1981 (print_operand) [H]: Just print HIGH symbol.
1982 (print_operand_address): Handle small data.
1983 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1984 (TARGET_SWITCHES): Add -msmall-data/large-data.
1985 (PIC_OFFSET_TABLE_REGNUM): New.
1986 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1987 (PREDICATE_COES): Update.
1988 * config/alpha/alpha.md (adddi_er_high): New.
1989 (adddi_er_low): Handle small data.
1990 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1991 prefer .sdata to .rodata.
1992 (SELECT_RTX_SECTION): Likewise.
1994 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1996 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1997 defining __size_t and leaving size_t undefined.
1999 2001-09-12 Diego Novillo <dnovillo@redhat.com>
2001 * basic-block.h (expunge_block): Declare.
2002 * cfg.c (expunge_block): Remove static declaration.
2004 2001-09-12 Richard Henderson <rth@redhat.com>
2006 * integrate.c (copy_insn_list): Copy label name from
2007 NOTE_INSN_DELETED_LABEL.
2009 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2011 * c-common.c (c_tree_code_name): Const-ification.
2012 * c-decl.c (c_decode_option): Likewise.
2013 * c-typeck.c (warn_for_assignment): Likewise.
2014 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
2016 * cppinit.c (output_deps): Likewise.
2017 * dependence.c (dependence_string, direction_string): Likewise.
2018 * dwarf2out.c (output_ranges): Likewise.
2019 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
2020 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
2021 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
2022 standard_startfile_prefix, standard_startfile_prefix_1,
2023 standard_startfile_prefix_2, tooldir_base_prefix,
2024 standard_bindir_prefix, find_a_file): Likewise.
2025 * genattrtab.c (make_length_attrs): Likewise.
2026 * gencheck.c (tree_codes): Likewise.
2027 * genemit.c (gen_split): Likewise.
2028 * genrecog.c (special_mode_pred_table): Likewise.
2029 * graph.c (graph_ext): Likewise.
2030 * protoize (default_include): Likewise.
2031 * reload.c (reload_when_needed_name): Likewise.
2032 * sched-vis.c (visualize_stall_cycles): Likewise.
2033 * tlink.c (recompile_files): Likewise.
2034 * toplev.c (decode_g_option): Likewise.
2035 * tradcpp.c (output_deps): Likewise.
2036 * varasm.c (decode_reg_name): Likewise.
2038 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2041 * avr.c (avr_regnames, encode_section_info): Likewise.
2042 * c4x.c (float_reg_names): Likewise.
2043 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2044 * elfos.h (const_section): Likewise.
2045 * i386.c (ix86_comp_type_attributes): Likewise.
2046 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2047 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2048 * ia64.c (type_names): Likewise.
2049 * m68hc11.c (reg_class_names): Likewise.
2050 * m88k.c (m_options): Likewise.
2051 * mips.c (mips_output_conditional_branch, mips_unique_section):
2053 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2054 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2055 ultra_code_names): Likewise.
2056 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2058 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2060 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2061 Use --fatal-warnings option for gas.
2062 * configure: Rebuilt.
2064 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2066 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2068 2001-09-11 Jim Wilson <wilson@redhat.com>
2070 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2072 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2074 * builtins.c (c_strlen): Treat an offset too large for a
2075 HOST_WIDE_INT as out of range.
2077 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2079 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2080 (EDGE_CRITICAL_P): New predicate.
2081 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2083 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2084 (dump_edge_info): Remove "crit".
2085 * cfganal.c (mark_critical_edges): Kill.
2086 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2087 * cfgcleanup.c (cleanup_cfg): Likewise.
2088 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2089 (find_spanning_tree): Likewise.
2090 * reg-stack.c (convert_regs_1): Likewise.
2091 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2093 * basic-block.h (create_basic_block_structure): New.
2094 (create_basic_block): Update prototype.
2095 (force_nonfallthru): New.
2096 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2097 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2098 handle updating of block_for_insn, creating of empty BBs and BBs at
2099 the end of INSN chain.
2100 (create_basic_block): New function.
2101 (split_block): Use create_basic_block.
2102 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2103 (redirect_edge_and_branch_force): ... here.
2104 (force_nonfallthru): New.
2105 (split_edge): Rewrite to use force_nonfallthru and create_block.
2106 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2107 (find_basic_blocks): Free basic_block_for_insn.
2108 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2110 * cfg.c: Fix formating.
2111 * cfgcleanup.c: Fix formating.
2112 (merge_blocks, tail_recursion_label_p): Return bool.
2113 (merge_blocks_move_predecessor_nojumps,
2114 merge_blocks_move_successor_nojumps): Return void.
2116 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2118 * configure.in: Check whether assembler supports section merging.
2119 * config.in: Rebuilt.
2120 * configure: Rebuilt.
2121 * varasm.c (variable_section, output_constant_pool): Pass alignment
2122 to SELECT_SECTION and SELECT_RTX_SECTION.
2123 (mergeable_string_section): New.
2124 (mergeable_constant_section): New.
2125 (default_elf_asm_named_section): Output SECTION_MERGE and
2126 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2127 * output.h (mergeable_string_section): New.
2128 (mergeable_constant_section): New.
2129 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2130 * toplev.c (flag_merge_constants): New.
2131 (f_options): Add -fmerge-constants and -fmerge-all-constants
2133 (toplev_main): Default to -fno-merge-constants if not optimizing.
2134 * flags.h (flag_merge_constants): Add extern.
2135 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2136 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2138 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2139 Define if assembler has working .subsection -1 support.
2140 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2141 Put constant into special SHF_MERGE sections if the linker should
2142 attempt to merge duplicates.
2143 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2145 Put constant into special SHF_MERGE sections if the linker should
2146 attempt to merge duplicates.
2147 * config/alpha/elf.h: Likewise.
2148 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2149 has working .subsection -1 support.
2150 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2152 * config/svr3.h: Likewise.
2153 * config/darwin.h: Likewise.
2154 * config/arm/aof.h: Likewise.
2155 * config/arm/linux-elf.h: Likewise.
2156 * config/avr/avr.h: Likewise.
2157 * config/c4x/c4x.h: Likewise.
2158 * config/d30v/d30v.h: Likewise.
2159 * config/i386/dgux.h: Likewise.
2160 * config/i386/osfrose.h: Likewise.
2161 * config/i386/sco5.h: Likewise.
2162 * config/i386/svr3gas.h: Likewise.
2163 * config/ia64/aix.h: Likewise.
2164 * config/m32r/m32r.h: Likewise.
2165 * config/m68k/m68k.h: Likewise.
2166 * config/m88k/dgux.h: Likewise.
2167 * config/m88k/m88k.h: Likewise.
2168 * config/mcore/mcore-pe.h: Likewise.
2169 * config/mips/mips.h: Likewise.
2170 * config/pa/pa.h: Likewise.
2171 * config/pa/pa-linux.h: Likewise.
2172 * config/romp/romp.h: Likewise.
2173 * config/rs6000/sysv4.h: Likewise.
2174 * config/rs6000/xcoff.h: Likewise.
2175 * config/s390/linux.h: Likewise.
2176 * config/sparc/sparc.h: Likewise.
2177 * config/sparc/sysv4.h: Likewise.
2178 * config/stormy16/stormy16.h: Likewise.
2179 * config/v850/v850.h: Likewise.
2180 * config/vax/vms.h: Likewise.
2181 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2182 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2183 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2184 default_elf_asm_named_section for SHF_MERGE sections.
2186 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2188 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2191 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2193 * c-common.c (split_specs_attrs): Allow for empty attributes with
2194 empty TREE_PURPOSE. Fixes PR c/4294.
2196 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2198 * basic-block.h (cached_make_edge, make_single_succ): New.
2199 (make_edge): Remove first parameter.
2200 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2201 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2202 created edge; use obstack allocation.
2203 (make_edge, make_single_succ_edge): New.
2204 (first_removed_edge): New static variable.
2205 (init_flow): Initialize first_removed_edge and n_edges.
2206 (clear_edges): Use remove_edge.
2207 (flow_delete_block): Likewise.
2208 (remove_edge): Add removed edges to the removed edges list.
2209 (split_block, redirect_edge_and_branch_force, split_edge):
2211 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2212 (add_noreturn_fake_exit_edges): Likewise.
2213 (connect_infinite_loops_to_exit): Liekwise.
2214 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2215 Use cached_make_edge.
2216 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2217 * profile.c (branch_prob): Update make_edge call.
2218 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2220 2001-09-11 Richard Henderson <rth@redhat.com>
2222 * config/alpha/alpha.c: Tidy formatting.
2223 (local_symbolic_operand): Verify mode.
2224 (alpha_sa_mask): Ignore unicos for eh_return.
2225 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2226 * config/alpha/alpha.md (umk divsi patterns): Remove.
2227 (extendsfdf2): Remove unicos check.
2228 (tablejump): Merge vms and unicos code; always use direct set
2231 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2233 * config.gcc (alpha*-*-unicosmk*): New target.
2235 * config/alpha/alpha-protos.h (symbolic_operand,
2236 unicosmk_add_call_info_word, unicosmk_add_extern,
2237 unicosmk_defer_case_vector, unicosmk_unique_section,
2238 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2239 unicosmk_asm_file_start, unicosmk_asm_file_end,
2240 unicosmk_output_common): Declare.
2242 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2243 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2244 alpha_does_function_need_gp, alpha_end_function): Support Cray
2246 (alpha_init_machine_status, alpha_mark_machine_status,
2247 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2248 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2249 unicosmk_asm_named_section, unicosmk_insert_attributes,
2250 unicosmk_section_type_flags, symbolic_operand,
2251 unicosmk_output_module_name, unicosmk_output_default_externs,
2252 unicosmk_output_dex, unicosmk_output_externs,
2253 unicosmk_output_addr_vec, unicosmk_ssib_name,
2254 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2255 unicosmk_asm_file_end, unicosmk_output_common,
2256 unicosmk_section_type_flags, unicosmk_unique_section,
2257 unicosmk_add_call_info_word, unicosmk_text_section,
2258 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2259 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2260 unicosmk_dex_count, unicosmk_special_name): New.
2261 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2262 TARGET_ABI_UNICOSMK.
2263 (get_aligned_mem, alpha_expand_unaligned_load,
2264 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2265 alpha_expand_unaligned_store_words): Support big-endian mode.
2266 (print_operand): Likewise. New format specifier 't'. Use
2267 TARGET_AS_SLASH_BEFORE_SUFFIX.
2268 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2269 (alpha_pv_save_size): Update with above change.
2270 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2271 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2274 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2275 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2276 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2277 (EXTRA_CONSTRAINT): New constraint 'U'.
2278 (PREDICATE_CODES): Add symbolic_operand.
2280 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2281 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2282 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2283 (integer division and modulus patterns): Split in default and
2285 (*divmodsi_internal, *divmoddi_internal): Disable for
2286 TARGET_ABI_UNICOSMK.
2287 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2288 little-endian and big-endian versions.
2289 (ext, ins, msk): Likewise.
2290 (extv, extzv, insv): Support big-endian mode.
2291 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2292 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2293 *tablejump_umk_internal, *call_value_umk): New.
2294 (*movdi_nofix): Add pattern for loading an address into a register on
2295 TARGET_ABI_UNICOSMK.
2296 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2297 (umk_mismatch_args, arg_home_umk): New.
2298 (various insns): Don't use mov, fmov, nop, fnop and unop.
2299 (realign): Support TARGET_ABI_UNICOSMK.
2301 * config/alpha/unicosmk.h: New file.
2302 * config/alpha/t-unicosmk: New file.
2304 * fixinc/inclhack.def (unicosmk_restrict): New.
2305 * fixinc/fixincl.x: Regenerate.
2307 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2308 (wchar_t): Check for and define __WCHAR_T__.
2310 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2312 * combine.c (simplify_shift_const): Treat shifts by the mode
2315 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2317 * cpphash.h (struct tokenrun): New.
2318 (struct cpp_context): New member bol.
2319 (struct cpp_reader): New members.
2320 (_cpp_init_tokenrun): New.
2321 * cppinit.c (cpp_create_reader): Set up the token runs.
2322 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2323 (lex_token): New internalised version of _cpp_lex_token. Don't
2324 handle directives or the multiple include opimisation here any
2325 more. Simply lex a token.
2326 * cpplib.c (run_directive): Clear bol.
2327 (_cpp_pop_buffer): Set bol.
2328 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2331 2001-09-11 Michael Meissner <meissner@redhat.com>
2333 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2334 give an error if the user uses -mfp32.
2335 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2337 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2338 floating point register size.
2339 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2341 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2342 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2344 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2345 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2347 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2349 * dbxout.c (dbxout_parms): Fix typo in comment.
2350 * unroll.c (loop_find_equiv_value): Ditto.
2351 * toplev.c (rest_of_compilation): Ditto.
2352 * loop.c (scan_loop): Ditto.
2353 * dwarf2out.c (struct dw_fde_struct): Ditto.
2355 2001-09-10 Zack Weinberg <zackw@panix.com>
2357 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2358 copying identifier when we're just going to throw it away.
2359 (parse_identifier_slow): New routine to handle abnormal cases.
2360 (_cpp_lex_token): Update call site.
2362 * hashtable.c (ht_lookup): Don't assume that the string we've
2363 been given is NUL-terminated.
2364 * system.h: #define __builtin_expect(a, b) to (a) if not
2367 2001-09-10 Michael Meissner <meissner@redhat.com>
2369 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2372 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2374 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2376 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2378 * builtins.c (c_getstr): Correct thinko in last change and further
2381 2001-09-10 Tim Freeman <tim@fungibole.com>
2383 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2384 into varray's and register them as roots with the garbage
2385 collector so they are not collected too soon.
2387 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2389 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2391 * basic-block.h (flow_obstack, label_value_list,
2392 tail_recursion_label_list): Declare
2393 (tidy_fallthru_edges): Declare.
2394 (expunge_block, last_loop_beg_note): Delete.
2395 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2397 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2398 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2399 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2400 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2401 expunge_block, flow_delete_block, compute_bb_for_insn,
2402 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2403 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2404 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2405 try_redirect_by_replacing_jump, last_loop_beg_note,
2406 redirect_edge_and_branch, redirect_edge_and_branch_force,
2407 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2408 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2409 commit_edge_insertions, dump_flow_info, debug_flow_info,
2410 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2411 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2412 Move here from flow.c
2413 * cfganal.c: New file.
2414 (forwarder_block_p, can_fallthru, mark_critical_edges,
2415 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2416 find_unreachable_blocks, create_edge_list, free_edge_list,
2417 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2418 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2419 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2420 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2421 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2422 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2423 Move here from flow.c
2424 * cfgbuild.c: New file
2425 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2426 make_edges, find_basic_blocks_1, find_basic_blocks,
2427 find_sub_basic_blocks): Move here from flow.c
2428 * cfgcleanup.c: New file.
2429 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2430 merge_blocks_move_predecessor_nojumps,
2431 merge_blocks_move_successor_nojumps, merge_blocks,
2432 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2433 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2434 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2436 * cfgloop.c: New file
2437 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2438 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2439 flow_loop_exit_edges_find, flow_loop_nodes_find,
2440 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2441 flow_loop_tree_node_add, flow_loops_tree_build,
2442 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2443 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2444 Move here from flow.c
2445 * flow.c: Remove everything moved elsewhere
2446 * output.h (cleanup_cfg): Return bool.
2448 * bb-reorder.c (reorder_block_def): Remove 'index'.
2449 (insert_intra_1): Add argument BB, set block for new note.
2450 (make_reorder_chain): Do not depdent on BB indexes.
2451 (make_reorder_chain_1): Do not use BB indexes.
2452 (label_for_bb): Likewise; set BB for new insn.
2453 (emit_jump_to_block_after): Likewise.
2454 (fixup_reoder_chain): Sanity check that all basic blocks
2455 are chained; verify newly created insn chain; remove
2456 undocnitional jump simplifying; Do not use BB indexes;
2457 properly initialize count and frequency information;
2458 dump reordered sequence.
2459 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2460 (insert_inter_bb_scope_notes): Set block for new insn.
2461 (reorder_basic_blocks): Dump flow info before reoredering.
2463 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2465 * alias.c (clear_reg_alias_info): Use K&R format definition.
2466 Avoid unsigned warning.
2467 * builtins.c: Use "unsigned int", not "unsigned".
2468 (target_char_cast): Use host_integerp and tree_low_cst.
2469 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2470 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2471 (c_getstr): Likewise.
2472 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2473 (builtin_memcpy_read_str): Avoid unsigned warning.
2474 (expand_builtin_memcpy): Alignments are unsigned.
2475 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2476 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2477 * predict.c (expensive_function_p): LIMIT now unsigned.
2478 * resource.c (mark_target_live_regs): Make some vars unsigned.
2479 * sdbout.c: Use "unsigned int", not "unsigned".
2480 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2481 (sdbout_source_line): Likewise.
2482 (sdbout_record_type_name): Remove "const" for NAME declaration.
2483 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2485 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2487 * calls.c (store_one_arg): Expand comment.
2489 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2491 * calls.c (store_one_arg): Make sure that the entire argument is
2492 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2494 2001-09-09 Richard Henderson <rth@redhat.com>
2496 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2498 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2500 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2502 2001-09-09 Richard Henderson <rth@redhat.com>
2504 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2505 (alpha_this_literal_sequence_number): New.
2506 (alpha_this_gpdisp_sequence_number): New.
2507 (some_operand, input_operand): Add HIGH.
2508 (local_symbolic_operand): New.
2509 (alpha_encode_section_info): New.
2510 (alpha_legitimate_address_p): Allow LO_SUM.
2511 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2512 (alpha_expand_mov): Likewise.
2513 (secondary_reload_class): Check memory_operand not general_operand
2515 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2516 (alpha_expand_unaligned_store): Likewise.
2517 (alpha_expand_unaligned_load_words): Likewise.
2518 (alpha_expand_unaligned_store_words): Likewise.
2519 (alpha_expand_block_clear): Likewise.
2520 (print_operand): Handle %#, %*, %H.
2521 (print_operand_address): Handle LO_SUM.
2523 (alpha_does_function_need_gp): Use it.
2524 (alpha_expand_block_move): Fix signed compare warnings.
2525 (alpha_sa_mask, alpha_align_insns): Likewise.
2526 * config/alpha/alpha-protos.h: Update.
2527 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2528 (MASK_EXPLICIT_RELOCS): New.
2529 (TARGET_SWITCHES): Add -mexplicit-relocs.
2530 (EXTRA_CONSTRAINT): Add 'T'.
2531 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2532 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2533 (ENCODE_SECTION_INFO): Out line.
2534 (REDO_SECTION_INFO_P): New.
2535 (STRIP_NAME_ENCODING): New.
2536 (ASM_OUTPUT_LABELREF): New.
2537 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2538 (PREDICATE_CODES): Update.
2539 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2540 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2541 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2542 builtin_setjmp_receiver_er, exception_receiver_1_er,
2543 call_value_osf_1_er): New patterns.
2544 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2545 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2546 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2547 (FINAL_PRESCAN_INSN): New.
2549 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2551 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2553 2001-09-08 Andreas Jaeger <aj@suse.de>
2555 * i386.h (TARGET_SWITCHES): Fix description.
2557 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2559 * rs6000.c (num_insns_constant): Compute number of instructions
2562 * doc/install.texi: Explain AIX exception handling work-around.
2563 Update URL for AIX fixes.
2565 2001-09-07 Jim Wilson <wilson@redhat.com>
2567 * alias.c (clear_reg_alias_info): New.
2568 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2569 * rtl.h (clear_reg_alias_info): Declare.
2571 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2573 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2575 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2576 (m16m,edivm,emulm): Change declaration to match definition.
2578 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2580 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2581 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2584 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2586 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2587 which have no corresponding C type.
2588 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2589 the representation of 64-bit doubles to work with 64-bit ints.
2591 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2593 * config/mips/mips.c (override_options): Do not override ISA when ABI
2594 specified if MIPS_CPU_STRING_DEFAULT was specified.
2596 2001-09-07 Richard Henderson <rth@redhat.com>
2598 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2599 (express_from_1): Wrap lines.
2600 * rtlanal.c (commutative_operand_precedence): Rename from
2601 operand_preference; export.
2602 * rtl.h: Declare it.
2603 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2604 (simplify_binary_operation): Invoke simplify_plus_minus on
2605 (CONST (PLUS ...)) as well.
2606 (struct simplify_plus_minus_op_data): New.
2607 (simplify_plus_minus_op_data_cmp): New.
2608 (simplify_plus_minus): Use them. Avoid infinite recursion with
2609 simplify_binary_operation wrt CONST.
2611 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2613 * h8300-protos.h (general_operand_dst_push): Remove.
2614 * h8300.c (general_operand_dst_push): Likewise.
2615 * h8300.h (OK_FOR_T): Likewise.
2616 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2617 * h8300.md (pushqi_h8300): New.
2618 (pushqi_h8300hs): Likewise.
2620 (pushhi_h8300): Likewise.
2621 (pushhi_h8300hs): Likewise.
2624 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2626 * genattrtab.c (attr_printf): First arg is unsigned.
2627 Clean up formatting of callers.
2629 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2631 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2634 2001-09-07 Andreas Jaeger <aj@suse.de>
2636 * i386.h (TARGET_SWITCHES): Fix descriptions.
2638 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2640 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2642 2001-09-06 Ira Ruben <ira@apple.com>
2644 Remove OP_IDENTIFIER.
2645 * tree.def (OP_IDENTIFIER): Remove.
2646 * tree.c (tree_node_kind enum): Remove op_id_kind.
2647 (tree_node_kind_names): Remove "op_identifiers".
2648 (make_node): Remove OP_IDENTIFIER test.
2649 (build_op_identifier): Removed because it isn't being used.
2650 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2651 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2653 2001-09-06 Richard Henderson <rth@redhat.com>
2655 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2657 2001-09-06 Richard Henderson <rth@redhat.com>
2659 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2662 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2664 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2665 number used for CR register.
2667 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2668 Joern Rennecke (amylaar@cygnus.com)
2670 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2671 * h8300.c (initial_offset): Handle offset between RP and FP.
2672 (h8300_return_addr_rtx): New function.
2673 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2675 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2676 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2677 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2678 (CAN_ELIMINATE, REGISTER_NAMES):
2679 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2681 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2683 Remove TYPE_NONCOPIED_PARTS.
2684 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2685 (struct tree_type): Remove noncopied_parts.
2686 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2687 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2688 (fixed_type_p): Remove.
2689 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2690 (expand_expr, MODIFY_EXPR): Likewise.
2691 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2692 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2694 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2696 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2698 (mask64_operand): Likewise.
2699 (includes_rldic_lshift_p): Likewise.
2700 (includes_rldicr_lshift_p): Likewise.
2702 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2704 * objc/objc-act.c (build_message_expr): If a class method cannot
2705 be found, do not issue a warning if a corresponding instance
2706 method exists in the root class.
2708 2001-09-05 Richard Henderson <rth@redhat.com>
2710 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2712 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2714 * function.c (ggc_mark_struct_function): Mark f->outer.
2715 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2716 * integrate.c (output_inline_function): ... not here.
2718 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2720 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2722 * i386.c (size_cost): New static variable.
2723 (override_function): Use size_cost when -Os is specified.
2725 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2726 properly; Use current_function_calls_eh_return.
2727 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2728 use leave to avoid depdendancy chain.
2730 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2731 get BB loop_depth instead of computing it from LOOP notes.
2733 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2735 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2737 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2738 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2739 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2741 2001-09-05 Jeffrey A Law (law@cygnus.com)
2742 Jason Merrill (jason@redhat.com)
2744 * stor-layout.c (layout_type): Complain if an array's size can
2745 not be represented in a size_t.
2747 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2749 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2751 * gcc.c: (process_command) Add parentheses around assignment
2752 used as truth value.
2754 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2756 * config/mips/mips.c (save_restore_insns): Don't mark any register
2757 save slots as unchanging if current_function_calls_eh_return.
2759 2001-09-05 Richard Henderson <rth@redhat.com>
2761 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2762 * config/alpha/alpha-protos.h: Declare it.
2763 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2764 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2765 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2766 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2767 (REG_OK_FOR_BASE_P): Select one of the above.
2769 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2771 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2772 (crti.o): Prefix name of object file with $(T).
2775 2001-09-05 David S. Miller <davem@redhat.com>
2777 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2778 * config/sparc/linux64.h: Likewise.
2780 2001-09-05 Andreas Jaeger <aj@suse.de>
2782 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2783 available anymore, remove the documentation.
2784 (i386 Options): Fix typo, cleanup index entries.
2786 * prefix.c (concat): Remove, we can use the version from liberty.
2788 2001-09-05 Richard Henderson <rth@redhat.com>
2790 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2791 New functions split out of md file expanders.
2792 * config/alpha/alpha-protos.h: Declare them.
2793 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2795 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2797 * cppmacro.c (funlike_invocation_p): No need to restore context.
2799 2001-09-04 Richard Henderson <rth@redhat.com>
2801 * reload.c (push_reload): Export.
2802 * reload.h (push_reload): Declare it.
2804 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2805 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2806 * config/alpha/alpha.c (alpha_legitimize_address): New.
2807 (alpha_legitimize_reload_address): Likewise.
2808 * config/alpha/alpha-protos.h: Declare them.
2810 2001-09-04 Stan Shebs <shebs@apple.com>
2812 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2813 * config/darwin.c (machopic_stub_name): Account for internally
2814 generated lib calls such as memcpy.
2816 2001-09-04 Richard Henderson <rth@redhat.com>
2818 * unwind.h (_UA_END_OF_STACK): New flag.
2819 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2821 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2823 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2825 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2827 * config/mips/mips.c (save_restore_insns): Change base_offset to
2828 fp_offset in second call to mips_emit_frame_related_store.
2830 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2832 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2833 sometimes be represented as a NOTE of type
2834 NOTE_INSN_DELETED_LABEL.
2835 (Insns): Document NOTE_INSN_DELETED_LABEL.
2837 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2839 * c-common.h (tree_dump_index): Add more comments.
2840 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2841 (dump_option_value_info): New struct.
2842 (dump_options): New array.
2843 (dump_switch_p): Parse switch options symbolically.
2844 * doc/invoke.texi (-fdump-ast): Rename to ...
2845 (-fdump-tree): ... here. Document that options are symbolic, and
2846 not all are applicable.
2848 2001-09-04 David S. Miller <davem@redhat.com>
2850 * config/sparc/sparc.md (define_splits): Kill constraints.
2852 Cleanup redundant and unused insn attributes.
2853 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2854 binary, and move. Mark ialu as default.
2855 (commented out define_function_unit "alu"): Kill.
2856 (define_attr "use_clobbered"): Kill.
2857 (whole file): Kill address insn type references. Replace
2858 all unary/binary/move references with ialu.
2859 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2860 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2863 Simplify length insn attribute and make more judicious use
2864 of insn attribute defaulting.
2865 * config/sparc/sparc.md (all insns with length > one): Mark as
2866 insn type multi if real instructions, else use default if
2867 it is a forced splitter.
2868 (all insns with length == one): Use default insn length.
2869 (all insns of type ialu): Use default insn type.
2871 Fix erroneous insn attribute settings.
2872 (addx): Set insn type to misc.
2873 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2874 const_umulsidi3_sp64): Set insn type to imul.
2876 Track SFmode vs DFmode insns according to UltraSPARC
2878 * config/sparc/sparc.md ("fptype"): New attribute, default
2880 (all DFmode single insns): Mark as fptype "double".
2882 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2884 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2886 2001-09-03 Richard Henderson <rth@redhat.com>
2888 * function.h (struct function): Add arg_pointer_save_area_init.
2889 * function.c (expand_function_end): Init arg_pointer_save_area.
2890 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2891 when called from a nested function.
2893 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2895 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2898 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2900 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2902 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2904 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2905 (emit_push_insn): Use specified padding direction when
2906 STACK_PUSH_CODE is POST_INC.
2908 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2910 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2912 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2914 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2916 * cppinit.c (cpp_start_read): Free the imacros list as we
2917 traverse it. Don't free the chains before returning.
2918 (_cpp_push_next_buffer): Only try pushing buffers if we've
2919 completed -imacros handling.
2921 2001-08-31 Eric Christopher <echristo@redhat.com>
2923 * gcc.c (handle_braces): Add explaination for abort.
2925 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2927 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2928 move adjustment of bitpos instead.
2930 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2932 * function.c: Remove all_functions. Make outer_function_chain
2934 (init_function_start): Don't add new function structure to
2936 (find_function_data, push_function_context_to,
2937 pop_function_context_from, put_var_into_stack,
2938 trampoline_address): Update for changed structure element names.
2939 (push_function_context_to): Disentangle.
2940 (free_after_compilation): Also free F.
2941 (expand_dummy_function_end): Don't free cfun here.
2942 (put_var_into_stack): Comment why we can't use find_function_data here.
2943 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2944 (mark_function_chain): Split into maybe_mark_struct_function and
2945 ggc_mark_struct_function. Export the latter.
2946 (init_function_once): Mark from cfun and outer_function_chain;
2949 * function.h (struct function): Kill next_global. Rename next
2950 to outer. All users updated to match.
2951 (all_functions, outer_function_chain): Don't declare.
2953 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2954 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2955 don't touch f->inlinable, after calling rest_of_compilation.
2957 * tree.h: Forward-declare struct function. Prototype
2958 ggc_mark_struct_function.
2960 2001-08-31 Kazu Hirata <kazu@hxi.com>
2962 * config/h8300/h8300.md (*andorhi3): Fix typos.
2964 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2966 * calls.c (emit_library_call_value): Don't use a fixed
2967 argument after VA_CLOSE, i.e. out of scope in traditional C.
2969 * emit-rtl.c (gen_rtvec): Likewise.
2971 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2973 * Makefile.in (c-pragma.o): Depend on output.h.
2974 (reorg.o): Depend on except.h.
2976 * c-pragma.c: Include output.h.
2978 * reorg.c: Include except.h.
2980 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2982 2001-08-31 Richard Henderson <rth@redhat.com>
2984 * sched-deps.c (add_dependence): Don't elide dependancy if the
2985 conditional used by insn is modified in elem.
2987 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2989 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2991 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2993 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2996 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2998 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
3000 (stormy16_asm_out_constructor): New function.
3001 (TARGET_ASM_CONSTRUCTOR): Define.
3002 (TARGET_ASM_DESTRUCTOR): Define.
3004 2001-08-31 Andreas Jaeger <aj@suse.de>
3006 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
3007 * loop.c (add_label_notes): Likewise.
3008 * reload.c (find_reloads): Likewise.
3009 * config/sh/sh.c (machine_dependent_reorg): Likewise.
3011 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
3013 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
3014 code here. Take _Unwind_{W,Sw}ord*.
3015 (read_encoded_value_with_base): Use them.
3016 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
3018 (extract_cie_info): Simplify read_?leb128 handling.
3019 (execute_stack_op, execute_cfa_program): Likewise.
3020 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
3022 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3024 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
3025 the frame pointer to pop the stack if convenient.
3027 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
3028 Don't use post-increment before combine.
3029 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3030 a call-saved register.
3032 2001-08-31 Andreas Jaeger <aj@suse.de>
3034 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3037 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3039 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3040 not DIV/MOD, of course.
3042 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3044 * rtl.def: Undo my patch commited 2001-08-27.
3046 * genattrtab.c: Ditto.
3050 * sched-int.h: Ditto.
3052 * target-def.h: Ditto.
3056 * haifa-sched.c: Ditto.
3058 * sched-rgn.c: Ditto.
3060 * sched-vis.c: Ditto.
3062 * Makefile.in: Ditto.
3064 * doc/md.texi: Ditto.
3066 * doc/tm.texi: Ditto.
3068 * doc/contrib.texi: Ditto.
3070 * doc/gcc.texi: Ditto.
3072 * genattrtab.h: Remove it.
3074 * genautomata.c: Remove it.
3076 * genattr.c: Undo my patch and Richard Henderson's patch commited
3079 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3081 * config.gcc (h8300-*-elf*): New case.
3082 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3083 (SUBTARGET_CPP_SPEC): Define.
3084 (EXTRA_SPECS): Define.
3085 (SUBTARGET_EXTRA_SPECS): Define.
3086 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3087 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3089 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3091 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3092 (LIB2FUNCS_EXTRA): Define.
3093 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3094 config/h8300/fixunssfsi.c: New file.
3096 2001-08-30 Kazu Hirata <kazu@hxi.com>
3098 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3099 define_expand to accomodate target-specific attributes.
3100 (anonymous zero_extendqihi2 patterns): New.
3102 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3104 * h8300.md (*andorhi3): New pattern.
3106 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3108 * h8300.c (dosize): Fix test for "sub".
3110 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3112 * c-typeck.c (pointer_diff): Try to eliminate common term before
3115 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3117 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3118 Account for the saves of the FP registers.
3120 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3121 (TEXT_SECTION_ASM_OP): Define.
3122 (INIT_SECTION_ASM_OP): Define.
3123 (FINI_SECTION_ASM_OP): Define.
3124 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3125 (RDATA_SECTION_FUNCITON): Provide prototype.
3127 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3129 * reload1.c (move2add_note_store): Correct typo checking for
3132 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3134 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3135 note should not be considered outside the libcall block.
3137 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3141 2001-08-29 Kazu Hirata <kazu@hxi.com>
3143 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3145 2001-08-29 Kazu Hirata <kazu@hxi.com>
3147 * config/h8300/h8300-protos.h: Add a prototype for
3149 * config/h8300/h8300.c (emit_logical_op): New.
3150 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3157 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3159 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3160 comparison with rtx INTVAL.
3161 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3163 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3165 2001-08-29 Kazu Hirata <kazu@hxi.com>
3167 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3170 2001-08-29 Kazu Hirata <kazu@hxi.com>
3172 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3173 (reg n) to (mem (pre_dec (reg n))
3174 (anonymous movsi pattern): Likewise.
3176 2001-08-29 Kazu Hirata <kazu@hxi.com>
3178 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3180 2001-08-29 Kazu Hirata <kazu@hxi.com>
3182 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3183 several special constants.
3185 2001-08-29 Kazu Hirata <kazu@hxi.com>
3187 * config/h8300/lib1funcs.asm: Fix comment typos.
3189 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3191 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3192 Fix format specifier warnings.
3194 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3195 inet_makeaddr, semctl): Prototype.
3197 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3198 (save_restore_insns): Use base_offset, not gp_offset.
3200 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3201 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3203 2001-08-29 Richard Henderson <rth@redhat.com>
3205 * bb-reorder.c (function_tail_eff_head): New.
3206 (record_effective_endpoints): Set it.
3207 (fixup_reorder_chain): Use it.
3209 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3211 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3213 2001-08-28 Dale Johannesen <dalej@apple.com>
3215 * config/darwin.c (machopic_function_base_name): Add const
3216 qualifier to a string.
3217 (darwin_encode_section_info): Ditto.
3219 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3221 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3222 function definition.
3224 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3226 * df.h (struct df): Add rts_order variable.
3228 * df.c (df_visit_next_rts): New function.
3229 (df_visit_next): Renamed to df_visit_next_rc
3230 (df_analyse_1): Allocate/compute/free rts_order as well.
3231 (df_rd_global_compute): Use df_visit_next_rc instead of
3233 (df_ru_global_compute): Use df_visit_next_rts instead of
3236 * flow.c (flow_reverse_top_sort_order_compute): New function.
3238 * basic-block.h: Add prototype.
3240 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3242 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3243 blocks, the BB_REACHABLE is now set, rather than aux being
3244 non-NULL. Update the test to reflect this.
3246 2001-08-28 Eric Christopher <echristo@redhat.com>
3248 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3249 config/mips/crti.asm: Ditto.
3251 2001-08-28 Eric Christopher <echristo@redhat.com>
3252 Richard Henderson <rth@redhat.com>
3254 * c-pragma.h (add_weak): Move prototype from here...
3255 * output.h (add_weak): ... to here.
3256 * varasm.c (add_weak): Fix typo.
3257 * config/mips/crti.asm: New file.
3258 * config/mips/crtn.asm: Ditto.
3259 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3260 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3261 (INVOKE__main): Ditto.
3262 (INIT_SECTION_ASM_OP): New.
3263 (FINI_SECTION_ASM_OP): Ditto.
3264 (STARTFILE_SPEC): Add crti.
3265 (ENDFILE_SPEC): Add crtn.
3266 * config/mips/elf64.h: Same.
3267 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3269 * config/mips/vxworks.h: Ditto.
3270 * config/mips/t-elf: Support crti and crtn.
3272 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3274 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3277 2001-08-28 Richard Henderson <rth@redhat.com>
3279 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3280 (one_cmplbi2 splitter): Remove redundant test.
3282 2001-08-28 Dale Johannesen <dalej@apple.com>
3284 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3286 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3288 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3290 2001-08-28 Stan Shebs <shebs@apple.com>
3292 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3293 (UNALIGNED_SHORT_ASM_OP): Define.
3294 (UNALIGNED_INT_ASM_OP): Define.
3296 2001-08-28 Will Cohen <wcohen@redhat.com>
3298 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3299 generation for first set.
3301 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3303 * flow.c (redirect_edge_succ_nodup): Return new edge.
3304 (try_simplify_condjump): Use new edge.
3305 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3307 * cse.c (cse_basic_block): Skip note instructions.
3309 2001-08-27 Richard Henderson <rth@redhat.com>
3311 * combine.c (combine_simplify_rtx): Don't reverse condition
3312 if there is no reverse for the condition.
3313 (simplify_comparison): Don't simplify subregs from INT to FP.
3315 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3316 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3317 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3318 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3319 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3320 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3322 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3324 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3325 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3327 (adddi_dilshr32, adddi_dishl32): Only data register can be
3328 source for mem destination.
3330 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3331 and use bitnum to decide about register move.
3333 2001-08-27 Richard Henderson <rth@redhat.com>
3335 * genattr.c (main): Emit state_t even when not doing scheduling.
3337 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3338 Richard Henderson <rth@redhat.com>
3340 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3341 (reg_avail_info, current_bb): ... these.
3342 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3343 (compute_hash_table): Likewise.
3345 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3347 * flow.c (verify_flow_info): Use checksums to verify edges.
3349 2001-08-27 Richard Henderson <rth@redhat.com>
3351 * genautomata.c (expand_automata): Always create a description.
3353 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3355 * optabs.c (expand_binop): Correctly handle the carry in multiword
3356 add/subtract operations.
3358 2001-08-27 Fred Fish <fnf@be.com>
3360 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3363 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3365 * reload.c (find_reloads_toplev): Back out this change:
3367 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3369 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3370 mem if the address is a mode_dependent_address_p.
3372 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3374 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3375 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3376 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3379 * genattr.c (main): New variable num_insn_reservations. Increase
3380 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3381 pipeline hazard recognizer interface.
3383 * genattrtab.h: New file.
3385 * genattrtab.c: Include genattrtab.h.
3386 (attr_printf, check_attr_test, make_internal_attr,
3387 make_numeric_value): Move protypes into genattrtab.h. Define them
3389 (num_dfa_decls): New global variable.
3390 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3391 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3392 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3393 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3395 * genautomata.c: New file.
3397 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3399 * sched-int.h: (curr_state): Add the external definition for
3400 automaton pipeline interface.
3401 (haifa_insn_data): Add comments for members blockage and units.
3403 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3404 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3405 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3406 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3407 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3408 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3409 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3411 (TARGET_SCHED): Use the new macros.
3413 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3414 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3415 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3416 dfa_bubble): New members in gcc_target.sched.
3418 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3419 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3420 (insn_queue): Redefine it as pointer to array.
3421 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3423 (max_insn_queue_index_macro_value): New variable.
3424 (curr_state, dfa_state_size, ready_try): New varaibles for
3425 automaton interface.
3426 (ready_element, ready_remove, max_issue): New function prototypes
3427 for automaton interface.
3428 (choose_ready): New function prototype.
3429 (insn_unit, blockage_range): Add comments.
3430 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3431 FUNCTION_UNITS_SIZE == 0.
3432 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3433 actual_hazard, potential_hazard): Add comments.
3434 (insn_cost): Use cost -1 as undefined value. Remove
3435 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3437 (ready_element, ready_remove): New functions for automaton
3439 (schedule_insn): Add new code for automaton pipeline interface.
3440 (queue_to_ready): Add new code for automaton pipeline interface.
3441 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3442 (debug_ready_list): Print newline when the queue is empty.
3443 (max_issue): New function for automaton pipeline interface.
3444 (choose_ready): New function.
3445 (schedule_block): Add new code for automaton pipeline interface.
3446 Print ready list before scheduling each insn.
3447 (sched_init): Add new code for automaton pipeline interface.
3448 Initiate insn cost by -1.
3449 (sched_finish): Free the current automaton state and finalize
3450 automaton pipeline interface.
3452 * sched-rgn.c: Include target.h.
3453 (init_ready_list, new_ready, debug_dependencies): Add new code for
3454 automaton pipeline interface.
3456 * sched-vis.c: Include target.h.
3457 (get_visual_tbl_length): Add code for automaton interface.
3458 (target_units, print_block_visualization): Add comments.
3460 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3461 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3462 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3463 (getruntime.o, genautomata.o): New entries.
3464 (genattrtab.o): Add new dependency file genattrtab.h.
3465 (genattrtab): Add new dependencies. Link it with `libm.a'.
3466 (getruntime.o, hashtab.o): New entries for canadian cross.
3468 * doc/md.texi: Description of automaton based model.
3470 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3472 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3473 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3474 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3475 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3476 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3477 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3478 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3480 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3481 MAX_DFA_ISSUE_RATE): New macro descriptions.
3483 * doc/contrib.texi: Add dfa based scheduler contribution.
3485 * doc/gcc.texi: Add more information about genattrtab.
3487 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3489 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3492 2001-08-27 Richard Henderson <rth@redhat.com>
3494 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3495 (get_arg_pointer_save_area): New. Create an init it here.
3496 (fix_lexical_addr): Use it.
3497 * function.h: Declare it.
3498 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3499 * stmt.c (expand_nl_goto_receiver): Use it.
3501 2001-08-27 Richard Henderson <rth@redhat.com>
3503 * final.c (final_scan_insn): Don't enter APP_ON mode for
3506 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3507 alignment for assemble_integer for DW_EH_PE_aligned.
3508 * except.c (output_function_exception_table): Likewise.
3510 2001-08-26 Andreas Jaeger <aj@suse.de>
3512 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3514 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3516 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3518 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3520 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3522 (mask64_operand): Likewise.
3523 (rldic_operand): Delete.
3524 (includes_lshift64_p): Delete.
3525 (includes_rldic_lshift_p): New function.
3526 (includes_rldicr_lshift_p): New function.
3527 (print_operand): Don't call rldic_operand in case 'W'.
3528 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3529 (includes_lshift64_p): Remove.
3530 (includes_rldic_lshift_p): Declare.
3531 (includes_rldicr_lshift_p): Declare.
3532 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3533 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3534 Replace match_operand rldic_operand predicate with
3535 const_int_operand. Replace includes_lshift64_p condition with
3536 includes_rldic_lshift_p.
3537 <ashldi3_internal 64 bit rldicr patterns>: New.
3539 2001-08-27 Andreas Jaeger <aj@suse.de>
3541 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3542 * errors.c: Likewise.
3543 * final.c: Likewise.
3544 * dwarf2asm.c: Likewise.
3545 * doprint.c (checkit): Likewise.
3546 * diagnostic.c: Likewise.
3547 * collect2.c: Likewise.
3548 * calls.c: Likewise.
3549 * c-semantics.c (build_stmt): Likewise.
3550 * c-format.c (status_warning): Likewise.
3551 * c-errors.c (pedwarn_c99): Likewise.
3552 * builtins.c (validate_arglist): Likewise.
3553 * config/pj/pj.c (pj_printf): Likewise.
3554 * fix-header.c: Likewise.
3556 * gcov.c (fnotice): Likewise.
3557 * gensupport.c (message_with_line): Likewise.
3558 * mips-tfile.c: Likewise.
3559 * protoize.c (notice): Likewise.
3560 * read-rtl.c (fatal_with_file_and_line): Likewise.
3561 * rtl-error.c: Likewise.
3562 * tradcpp.c: Likewise.
3564 * cp/tree.c (build_min_nt): Likewise.
3565 (build_min): Likewise.
3566 * cp/lex.c: Likewise.
3567 * cp/errfn.c: Likewise.
3568 * cp/rtti.c (create_pseudo_type_info): Likewise.
3570 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3572 * df.c (df_uses_record): Return after recording all uses
3575 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3577 * df.c (df_insn_modify): Realloc the INSN table here, if
3578 necessary, here, too.
3580 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3582 * config/mips/mips.c (mips_function_value): Handle complex return
3585 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3587 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3589 * reload.c (make_memloc): Copy result if it is still
3590 reg_equiv_memory_loc[regno] on return.
3591 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3592 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3593 reg_equiv_mem are modified by the substitutions.
3595 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3597 * predict.c (expensive_function_p): New.
3598 * rtl.h (expensive_function_p): Declare.
3599 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3600 (use_fast_prologue_epilogue): New static variable.
3601 (expand_prologue): Set it; emit short prologues if unset.
3602 (expand_epilogue): Likewise.
3604 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3606 * config.gcc: Add stormy16-*-elf case.
3607 * config/stormy16/stormy-abi: New file.
3608 * config/stormy16/stormy16-lib2.c: New file.
3609 * config/stormy16/stormy16-protos.h: New file.
3610 * config/stormy16/stormy16.c: New file.
3611 * config/stormy16/stormy16.h: New file.
3612 * config/stormy16/stormy16.md: New file.
3613 * config/stormy16/t-stormy16: New file.
3615 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3617 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3619 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3621 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3622 descriptor members are pointer size, not constant 4.
3623 * config/rs6000/rs6000.md (define_splits): Remove more unused
3626 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3628 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3630 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3632 * cp/rtti.c (VPARAMS): Fix parameter.
3634 2001-08-24 Zack Weinberg <zackw@panix.com>
3636 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3638 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3640 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3641 in if controlling use of insv.
3642 (extract_bit_field): Likewise, for extv and extzv.
3644 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3646 * i386.md (movcc peep2): Fix load of 0.
3648 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3650 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3651 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3653 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3655 * c-pragma.h: Move weak_syms and weak_decls...
3656 * varasm.c: ...here. Now static.
3657 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3658 depend on HANDLE_PRAGMA_WEAK.
3660 * c-common.c (c_alignof, c_alignof_expr): Move here...
3661 * c-typeck.c: ...from here.
3662 * c-tree.h, c-common.h: Adjust.
3664 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3666 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3667 instead of incrementing it.
3669 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3670 asm ready, don't try to move them all into the same array element.
3672 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3674 * function.c (thread_prologue_and_epilogue_insns): Avoid
3675 fallthru flag on edge to exit.
3677 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3679 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3682 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3684 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3685 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3686 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3689 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3691 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3692 replace "GNU CC" with "GCC".
3694 2001-08-23 Richard Henderson <rth@redhat.com>
3696 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3697 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3698 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3699 Need GR between FR and not GR_AND_FR.
3700 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3701 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3702 AR regs before GR regs.
3703 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3704 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3705 (REGISTER_MOVE_COST): Update.
3706 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3708 2001-08-23 Richard Henderson <rth@redhat.com>
3710 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3713 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3715 * reload1.c (emit_reload_insns): Don't look for notes
3716 on a NULL store_insn.
3718 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3720 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3721 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3722 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3723 format specifier warnings.
3724 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3726 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3728 * config/i386/i386-protos.h: Correct declaration of
3729 i386_pe_asm_named_section.
3731 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3733 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3735 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3737 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3739 * cpperror.c (print_location): Don't show _Pragma.
3740 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3741 and file change callback generation here.
3742 (stack_include_file): Update use of cpp_push_buffer.
3743 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3744 (struct cpp_buffer): Remove type, pfile members.
3745 * cppinit.c (cpp_handle_option): Use free_chain.
3746 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3747 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3748 a cpp_reader rather than a cpp_buffer.
3749 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3750 skip_line_comment, parse_string, lex_percent, lex_dot,
3751 _cpp_lex_token): Update accordingly.
3752 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3754 (cpp_push_buffer): Update prototype.
3755 (run_directive): Update use of cpp_push_buffer.
3756 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3757 handle_assertion): Update use of run_directive.
3758 * cpplib.h (enum cpp_buffer_type): Remove.
3759 (cpp_push_buffer): Update prototype.
3760 * fix-header.c (read_scan_file): Update.
3762 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3764 * gcc.c (struct prefix_list): Change prefix to const char *.
3766 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3768 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3770 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3772 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3775 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3778 * ifcvt.c (dead_or_predicable): Adjust.
3779 * loop.c (find_and_verify_loops): Adjust.
3780 * stmt.c (expand_end_case): Adjust.
3781 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3782 head and end insn pointers in the basic block, not just local copies.
3783 (merge_blocks_move_predecessor_nojumps): Likewise.
3785 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3787 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3788 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3789 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3790 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3791 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3792 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3793 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3794 conditions.h, config.gcc, configure.frag, configure.in,
3795 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3796 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3797 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3798 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3799 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3800 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3801 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3802 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3803 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3804 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3805 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3806 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3807 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3808 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3809 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3810 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3811 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3812 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3813 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3814 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3815 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3816 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3817 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3818 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3819 params.h, predict.c, predict.def, predict.h, prefix.c,
3820 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3821 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3822 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3823 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3824 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3825 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3826 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3827 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3828 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3829 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3830 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3831 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3832 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3833 xcoffout.h: replace "GNU CC" with "GCC".
3835 2001-08-21 Richard Henderson <rth@redhat.com>
3837 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3838 (final_scan_insn): Consider jump tables data even if we have no
3839 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3841 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3842 (ASM_OUTPUT_CASE_END): Remove.
3843 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3844 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3845 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3847 2001-08-21 Richard Henderson <rth@redhat.com>
3849 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3850 at barrier insns. Emit stop bits before barriers.
3852 * flow.c (flow_find_cross_jump): Don't consider unconditional
3853 return insns for commoning.
3855 * final.c (compute_alignments): Fix typo.
3857 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3858 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3859 (store_bit_field): Use mode_for_extraction more places.
3860 (extract_bit_field): Likewise.
3862 2001-08-21 Zack Weinberg <zackw@panix.com>
3864 * caller-save.c: Don't include insn-codes.h.
3865 (reg_save_code, reg_restore_code): Make arrays of int.
3866 All uses updated to match.
3867 (insert_save, insert_restore): No need to initialize "code"
3868 variable upon declaration.
3869 * Makefile.in: update dependencies; fix typo in clean rule.
3871 2001-08-21 Richard Henderson <rth@redhat.com>
3873 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3874 (merge_if_block): Handle fallout from same.
3876 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3878 * builtins.c (type_to_class): Fix typo in last change.
3880 2001-08-21 Richard Henderson <rth@redhat.com>
3882 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3883 ia64_asm_output_label.
3885 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3886 copy of gp while the real gp register contains garbage.
3888 2001-08-21 Zack Weinberg <zackw@panix.com>
3890 * expmed.c (mode_for_extraction): New function.
3891 (store_bit_field, extract_bit_field): Use it.
3892 * expr.h: Prototype it and provide an enum for its first argument.
3894 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3895 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3896 and digging through the insn_data tables.
3897 * Makefile.in: Update dependencies.
3899 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3901 * cppfiles.c (stack_include_file): line-map.c now handles include
3903 (handle_missing_handler): Similarly.
3904 (_cpp_execute_include): Similarly.
3905 (_cpp_pop_file_buffer): Similarly.
3906 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3907 buffer_stack_depth and include_depth.
3908 * cpplib.c (do_include_common): line-map.c now handles include depth.
3909 (cpp_push_buffer): Similarly.
3910 (_cpp_pop_buffer): Similarly.
3911 * cppmacro.c (builtin_macro): Update.
3912 * line-map.c (init_line_maps): Set depth.
3913 (add_line_map): Increment "used" earlier. Update and use the
3915 (trace_include): Use the include depth.
3916 * line-map.h (struct line_maps): New member depth.
3918 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3920 * cppfiles.c (stack_include_file): Don't handle -H here.
3921 * cppinit.c (cpp_start_read): Set include tracing after
3922 cpp_post_options and after stacking the main file.
3923 * line-map.c (trace_include): New.
3924 (init_line_maps, add_line_map): Update.
3925 * line-map.h (struct line_maps): New member trace_includes.
3927 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3929 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3930 * cppfiles.c (stack_include_file): Only stack a file if there
3931 is something to do. Return a boolean indicating whether a
3932 buffer was stacked or not.
3933 (_cpp_execute_include): Similarly.
3934 (_cpp_read_file): Similarly.
3935 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3937 2001-08-21 Sam Steingold <sds@gnu.org>
3939 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3940 (RECACHE): keep obufp_before_macroname up to date
3942 2001-08-21 Zack Weinberg <zackw@panix.com>
3944 * stmt.c: Don't include insn-codes.h.
3945 (expand_end_case): Machine specific logic moved to expr.c.
3946 No need to worry about __builtin_classify_type.
3947 (check_for_full_enumeration_handling, emit_case_nodes):
3950 * builtins.o (expand_builtin_classify_type): Split up so code
3951 can be shared with fold_builtin_classify_type.
3952 (type_to_class, fold_builtin_classify_type): New functions.
3953 (fold_builtins): Handle __builtin_classify_type.
3955 * expr.c (do_tablejump): Now static.
3956 (case_values_threshold, try_casesi, try_tablejump): New;
3957 code mostly from stmt.c (expand_end_case).
3958 (expr.h): Update prototypes.
3960 * Makefile.in (stmt.o): Update dependencies.
3962 2001-08-21 Will Cohen <wcohen@redhat.com>
3964 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3965 declaration of variable i.
3966 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3967 declaration of variable i.
3969 2001-08-21 Richard Henderson <rth@redhat.com>
3971 * crtstuff.c: Fix thinko last change. Move list tails to start
3972 of CRT_END section. Tidy ifdefs.
3973 (__EH_FRAME_BEGIN__): Always static for ELF.
3974 (__do_global_ctors_1): Rename from __frame_dummy.
3975 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3976 name change; don't hide __EH_FRAME_BEGIN__.
3978 2001-08-21 Richard Henderson <rth@redhat.com>
3980 * gdbinit.in: Move break on exit after break on fancy_abort.
3982 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3985 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3987 * cpphash.h (_cpp_push_next_buffer): New.
3988 * cppinit.c (do_includes): Remove.
3989 (push_include, free_chain, _cpp_push_next_buffer): New.
3990 (cpp_start_read): Use them to rework command line option handling.
3991 (cpp_handle_option): Combine handling of -include and -imacros.
3992 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3993 appropriate. Always insert missing \n at EOF.
3994 * cpplib.c (start_directive): Get the directive position right.
3995 * cppmain.c (cb_file_change): Always print the first line, unless
3998 2001-08-20 Andreas Jaeger <aj@suse.de>
4000 * profile.c (compute_branch_probabilities): Remove extra new-line
4002 * flow.c (verify_flow_info): Likewise.
4004 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4006 * basic-block.h (basic_block): Add new field 'flags'.
4007 (BB_REACHABLE): Define.
4008 (expunge_block): Declare.
4009 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
4010 (EXIT_BLOCK_PTR): Ditto.
4011 (expunge_block): Remove static declaration.
4012 (cleanup_cfg): Clear bb->aux on every basic block.
4013 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
4014 computing reachability.
4015 (delete_unreachable_blocks): Delete block b if b->flags has
4018 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4020 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
4022 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024 * sparc.c (sparc_variable_issue): Fix typo in last change.
4026 2001-08-20 Richard Henderson <rth@redhat.com>
4028 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4030 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4032 * pa.h (RETURN_IN_MEMORY): Improve comment.
4034 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4036 * doc/invoke.texi (Profiling options): Clarify the interactions
4037 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4039 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4041 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4044 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4046 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4049 2001-08-20 Richard Henderson <rth@redhat.com>
4051 * final.c (end_final): Fix typo last change.
4053 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4055 * cppinit.c (init_standard_includes): The returned buffer
4056 is already malloc-ed.
4057 * gcc.c (add_prefix): Similarly.
4058 * prefix.c (translate_name): Update to support clear buffer
4060 (update_path): Similarly. Be sure to free any newly allocated
4061 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4063 * prefix.h (update_path): Update prototype and document.
4064 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4065 up and update to new buffer ownership rules.
4066 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4068 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4070 * final.c (compute_alignments): New function.
4071 (init_insn_lengths): Do not care label_align.
4072 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4073 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4074 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4075 (shorted_branches): Realloc label_align array; do
4076 not call init_insn_lengths; Do not care about loop alignments.
4077 * output.h (compute_alignments): Declare.
4078 * toplev.c (rest_of_compilation): Call compute_alignments.
4079 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4081 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4082 change visited to tovisit.
4083 (propagate_freq): Use faster traversing algorithm.
4084 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4085 to tovisit; reverse meaning.
4087 * predict.c (struct block_info_def): Remove nvisited.
4088 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4089 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4091 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4093 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4094 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4095 (TARGET_FUSED_MADD): New.
4096 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4097 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4098 the multiply-add instructions.
4100 2001-08-19 Richard Henderson <rth@redhat.com>
4102 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4103 is aligned to pointer size.
4105 2001-08-19 Richard Henderson <rth@redhat.com>
4107 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4108 display markers during final schedule.
4110 2001-08-19 Richard Henderson <rth@redhat.com>
4112 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4114 2001-08-19 Richard Henderson <rth@redhat.com>
4116 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4118 (ASM_NAME_TO_STRING): Remove.
4119 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4120 in the same string. Remove support for expressions.
4122 2001-08-19 Richard Henderson <rth@redhat.com>
4124 * config/i386/i386.md (tablejump): Make an expander; handle
4125 pic relative addressing here.
4126 (tablejump_1): Rename from tablejump_pic.
4129 2001-08-19 Richard Henderson <rth@redhat.com>
4131 * regclass.c (fix_register): Fix typo.
4133 2001-08-18 Richard Henderson <rth@redhat.com>
4135 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4136 (struct _Unwind_Context): Expand br_loc to hold it.
4137 (uw_frame_state_for): Handle leaf functions better.
4138 (uw_update_reg_address): Update for br_loc change.
4140 2001-08-18 Richard Henderson <rth@redhat.com>
4142 * crtstuff.c: Move list heads before code that uses them.
4143 (__JCR_LIST__): Remove initial null.
4144 (frame_dummy, __frame_dummy): Do java registration here ...
4145 (__do_global_ctors_aux): ... not here.
4147 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4148 (__do_global_dtors_aux): Update to match.
4149 (__JCR_LIST__, __do_jv_register_classes): New.
4151 * config/ia64/crtend.asm (__JCR_END__): New.
4152 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4153 instead of an indirect LTOFF22 reloc.
4155 2001-08-18 Richard Henderson <rth@redhat.com>
4157 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4158 * regclass.c (init_reg_sets_1): Fix typo.
4159 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4160 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4161 (ia64_compute_frame_size): Make ar.unat live when in use.
4162 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4163 for ar.pfs; remove ar.unat handling.
4164 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4166 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4167 * config/ia64/ia64-protos.h: Update decls.
4168 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4169 (sibcall_pic): Likewise.
4171 2001-08-18 Richard Henderson <rth@redhat.com>
4173 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4174 pred_rel_mutex when searching for insn_group_barrier.
4175 * config/ia64/ia64.md (cycle_display): Combine the expander
4178 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4179 bit before asm as needed.
4181 2001-08-18 Richard Henderson <rth@redhat.com>
4183 * timevar.def (TV_MACH_DEP): New.
4184 * toplev.c (rest_of_compilation): Use it.
4185 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4187 2001-08-18 Zack Weinberg <zackw@panix.com>
4189 * unwind-dw2.c (execute_stack_op): Add default aborts to
4190 the inner switches to prevent warnings.
4192 2001-08-18 Richard Henderson <rth@redhat.com>
4194 * timevar.h (struct timevar_time_def): Change element type to float.
4195 (ticks_to_msec, clocks_to_msec): Likewise.
4196 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4197 (get_time): Likewise.
4198 (timevar_print): Adjust zero check and printing to match.
4200 2001-08-18 Zack Weinberg <zackw@panix.com>
4202 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4203 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4204 Eliminate overfull or underfull hboxes.
4206 2001-08-18 Zack Weinberg <zackw@panix.com>
4208 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4210 2001-08-18 Zack Weinberg <zackw@panix.com>
4212 * haifa-sched.c: Convert to target hooks. Macros replaced
4213 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4214 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4215 MD_SCHED_FINISH, and HAVE_cycle_display.
4216 * target-def.h (TARGET_SCHED_ADJUST_COST,
4217 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4218 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4219 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4220 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4221 New hook #defines to be overridden.
4222 (TARGET_SCHED): Bring them all together.
4223 (TARGET_INITIALIZER): Update.
4224 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4225 instead of 'struct rtx_def *' throughout.
4226 (struct sched): New set of hooks for the scheduler.
4227 * Makefile.in (haifa-sched.o): Depend on target.h.
4228 * doc/tm.texi: Document the new scheduler hooks, together in
4229 their own section, instead of scattered around.
4230 Fix a bunch of underfull/overfull hboxes.
4232 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4233 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4234 sparc.h: Don't define any of the old scheduler macros.
4236 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4237 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4238 sparc.c: Create hook functions from code extracted from
4239 corresponding target header, or make existing hooks static, as
4240 appropriate. Set the appropriate entries in targetm.
4242 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4243 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4244 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4245 Remove prototypes for functions which are now static.
4247 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4248 related gunk; the Haifa scheduler is now the only choice.
4250 2001-08-18 Zack Weinberg <zackw@panix.com>
4252 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4253 * genopinit.c: Put floating point divide insns in sdiv_optab.
4254 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4255 * config/gofast.h, config/c4x/c4x.h,
4256 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4257 config/pa/long_double.h, config/rs6000/sysv4.h,
4258 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4259 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4260 (init_optabs): Use init_optabv for overflow-trapping optabs.
4261 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4262 cmp_optab RTX codes so have_insn_for can find them.
4264 * optabs.c (expand_simple_binop, expand_simple_unop,
4265 have_insn_for, gen_sub3_insn): New interfaces.
4266 * expr.h: Prototype new functions.
4267 (enum optab_methods): Move here from optabs.h.
4269 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4270 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4271 Use new functions instead of working directly with optabs.
4272 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4273 unroll.c: Don't include optabs.h.
4274 * caller-save.c, combine.c, function.c, stmt.c: Just include
4275 insn-codes.h, not optabs.h.
4276 * Makefile.in: Update dependencies.
4278 * combine.c (make_compound_operation, simplify_comparison):
4279 Fix typos testing for this or that instruction.
4281 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4283 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4284 generating libgcc.a.
4286 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4288 * except.c (TYPE_HASH): Delete.
4290 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4293 * tree.c (TYPE_HASH): Delete.
4295 * tree.h (TYPE_HASH): Define.
4297 2001-08-18 Graham Stott <grahams@redhat.com>
4299 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4301 (adddi3_internal_2+2): Likewise.
4302 (eh_set_lr_di+1): Likewise.
4304 2001-08-17 Richard Henderson <rth@redhat.com>
4306 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4307 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4308 * dwarf2asm.c: ... here.
4309 * dwarfout.c: Remove them.
4311 * varasm.c (assemble_integer): Add align parameter.
4312 (assemble_real, output_constant, output_constructor): Likewise.
4313 * output.h: Update decls.
4314 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4315 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4316 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4317 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4318 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4321 * final.c (end_final): Abort profile block generation if we
4322 havn't layed it out properly.
4323 * output.h (assemble_eh_integer): Remove stale decl.
4324 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4326 (assemble_integer): Handle unaligned data.
4327 (assemble_real): Abort on unaligned data.
4328 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4330 (default_dtor_section_asm_out_destructor): Use assemble_align.
4331 (default_named_section_asm_out_constructor): Likewise.
4332 (default_ctor_section_asm_out_constructor): Likewise.
4333 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4334 (machopic_asm_out_destructor): Likewise.
4335 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4336 (nextstep_asm_out_destructor): Likewise.
4337 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4338 (vms_asm_out_destructor): Likewise.
4340 2001-08-17 Richard Henderson <rth@redhat.com>
4342 * config/mips/iris6.h (TARGET_IRIX6): New.
4343 (current_section_name, current_section_flags): New.
4344 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4345 (MAX_OFILE_ALIGNMENT): New.
4346 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4347 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4348 (copy_file_data): Split out from
4349 (mips_asm_file_end): ... here.
4350 (mips_asm_file_start): Remove extra .section directive. Use
4351 tmpfile instead of mips_make_temp_file.
4352 (mips_unique_section): Use const char * as needed for warnings.
4353 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4354 re-add align parameter.
4355 (iris6_asm_named_section): New.
4356 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4357 (iris6_asm_output_align, iris6_section_align_1): New.
4358 (iris6_asm_file_start, iris6_asm_file_end): New.
4359 * config/mips/mips-protos.h: Update decls.
4361 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4363 * doc/install.texi (Install GCC): Add links to build status pages.
4365 (Final install): Ditto; request updates for specific info
4367 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * cpperror.c (print_location): Don't take a file name; use the
4371 (_cpp_begin_message): Similarly.
4372 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4373 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4374 (cpp_pedwarn_with_file_and_line): Remove.
4375 * cppfiles.c (stack_include_file): Update; set filename to stdin
4376 here when appropriate.
4377 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4378 (_cpp_begin_message): Don't take a file name.
4379 * cppinit.c: Add comment.
4380 * cpplex.c: Fix end-of-directive indicator.
4381 * cpplib.c: Don't include intl.h.
4382 (run_directive, do_diagnostic): Update.
4383 (do_line): Update to not use nominal_fname.
4384 (cpp_push_buffer): Don't take a filename.
4385 * cpplib.h (struct ht): Remove.
4386 (cpp_push_buffer): Don't take a filename.
4387 (cpp_pedwarn_with_file_and_line): Remove.
4388 * cppmacro.c (struct cpp_macro): Remove file.
4389 (builtin_macro): Update.
4390 (_cpp_create_definition): Update.
4391 * cppmain.c: Correct comment.
4392 * fix-header.c (read_scan_file): Update.
4394 2001-08-17 Kazu Hirata <kazu@hxi.com>
4396 * sbitmap.c: Fix comment formatting.
4397 * sched-deps.c: Likewise.
4398 * sibcall.c: Likewise.
4399 * simplify-rtx.c: Likewise.
4401 * ssa-ccp.c: Likewise.
4402 * stor-layout.c: Likewise.
4403 * timevar.c: Likewise.
4404 * toplev.c: Likewise.
4405 * unwind-dw2.c: Likewise.
4406 * unwind-dw2-fde.c: Likewise.
4407 * varasm.c: Likewise.
4409 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4411 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4412 or larger than an integer in memory.
4414 2001-08-17 Zack Weinberg <zackw@panix.com>
4416 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4417 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4418 * rtl.h: Don't forward-declare union tree_node here. Don't
4419 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4420 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4421 and tree respectively.
4422 * tree.h: Don't forward-declare struct rtx_def here. Don't
4423 typedef tree here. Change all uses of struct rtx_def *,
4424 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4425 and tree respectively.
4427 2001-08-17 Richard Henderson <rth@redhat.com>
4429 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4430 config/mips/openbsd.h: Fix typos last change.
4432 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4434 * doc/invoke.texi (Optimize Options): The default for
4435 -finline-limit is 600.
4437 2001-08-17 Richard Henderson <rth@redhat.com>
4439 * varasm.c (text_section): Allow TEXT_SECTION to override the
4440 printing of TEXT_SECTION_ASM_OP.
4441 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4442 (DATA_SECTION, BSS_SECTION): Remove.
4443 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4444 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4445 Rename from s/_NAME//.
4446 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4447 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4448 (TEXT_SECTION): ... here. New.
4449 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4450 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4451 * config/mips/openbsd.h: Likewise.
4452 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4453 (mips_asm_file_end): Likewise test.
4454 (mips_output_function_epilogue): Likewise. Switch back to data
4455 section after emitting the function.
4457 * doc/tm.texi (Sections): Document TEXT_SECTION.
4459 2001-08-17 Richard Henderson <rth@redhat.com>
4461 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4462 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4464 2001-08-17 Richard Henderson <rth@redhat.com>
4466 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4467 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4468 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4469 Add aligned attribute.
4471 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4473 * config/sh/sh.md: Add modes to unspecs in first insn to match
4474 those in the second.
4476 * Makefile.in: Fix collect2 copy for Cygwin.
4478 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4480 Install the proper patch.
4481 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4482 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4483 (expand_function_start): Likewise.
4484 * stmt.c (expand_decl): Likewise.
4485 * varasm.c (make_decl_rtx): Likewise.
4487 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4489 * final.c: Undo my previous accidental checkin.
4490 * output.h: Likewise.
4491 * tm.texi: Likewise.
4493 2001-08-16 Richard Henderson <rth@redhat.com>
4495 * varasm.c (named_section_flags): Remove align parameter.
4496 * varasm.c, dwarf2out.c: Update all callers.
4497 * output.h: Update prototypes.
4499 * target.h (target.asm_out.named_section): Remove align parameter.
4500 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4501 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4502 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4503 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4504 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4506 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4507 (get_named_section_flags, set_named_section_flags): New.
4508 (named_section_flags): Use them.
4509 (named_section): Do decl vs section flags check here...
4510 (default_section_type_flags): ... not here.
4511 (init_varasm_once): Create in_named_htab.
4512 (resolve_unique_section): Mark reloc unused.
4514 2001-08-16 Richard Henderson <rth@redhat.com>
4516 * varasm.c (force_const_mem): Keep pool alignment in bits.
4517 (output_constant_pool): Use assemble_align.
4519 2001-08-16 Zack Weinberg <zackw@panix.com>
4521 * doc/tm.texi: Remove extra @table command.
4523 2001-08-16 Zack Weinberg <zackw@panix.com>
4525 * final.c (shorten_branches): Clear the end of the label_align
4526 array only if we made it larger. Break up messy expressions
4529 * diagnostic.c (internal_error): Check for error recursion
4530 before doing ICE suppression.
4532 * timevar.c: Timing variables now count in milliseconds.
4533 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4534 (get_time): Not here.
4535 (timevar_print): Don't print any timer whose user, cpu, and
4536 wall times are all zero as displayed.
4537 * timevar.h: Update comment aboout units. Make timevar
4540 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4542 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4543 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4544 (expand_function_start): Likewise.
4545 * stmt.c (expand_decl): Likewise.
4546 * varasm.c (make_decl_rtx): Likewise.
4548 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4550 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4551 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4553 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4555 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4558 2001-08-16 Andreas Jaeger <aj@suse.de>
4560 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4563 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4565 * rtl.h (only_sets_cc0_p): New prototype.
4566 * jump.c (sets_cc0_p): Handle INSN.
4567 (only_sets_cc0_p): New function.
4568 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4569 (tidy_fallthru_edge): Likewise.
4570 * integrate.c (copy_insn_list): Likewise.
4571 * unroll.c (unroll_loop): Likewise.
4572 (copy_loop_body): Likewise.
4574 2001-08-15 Jason Eckhardt <jle@redhat.com>
4576 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4578 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4580 * predict.c (struct block_info_def): Remove nvisited.
4581 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4582 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4584 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4585 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4588 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4590 * predict.def: Update hitrates.
4592 2001-08-15 Richard Henderson <rth@redhat.com>
4594 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4596 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4598 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4599 note from its associated jump.
4601 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4603 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4604 also on 64-bit s390x targets.
4606 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4608 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4610 (arm_expand_prologue): Handled nested functions which take a
4611 variable argument list.
4612 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4613 macro with an invocation of
4614 arm_compute_initial_elimination_offset.
4615 * config/arm/arm-protos.h: Prototype
4616 arm_compute_initial_elimination_offset.
4618 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4620 * doc/install.texi (Specific, avr): Fix markup.
4621 (Specific, c4x): Ditto.
4623 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4625 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4627 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4629 * Makefile.in (OBJS): Add rtl-error.o
4630 (rtl-error.o): New rule.
4631 (diagnostic.o): Adjust dependency.
4632 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4633 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4634 warning_for_asm): Move to...
4635 rtl-error.c: ...here. New file.
4637 2001-08-14 Richard Henderson <rth@redhat.com>
4639 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4640 if USING_SJLJ_EXCEPTIONS.
4642 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4644 * tlink.c (scan_linker_output): Check string for unsatisfied in
4645 addition to undefined and unresolved.
4647 2001-08-14 Graham Stott <grahams@redhat.com>
4649 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4650 EH_FRAME_SECTION_NAME.
4652 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4654 * genattrtab.c (simplify_test_exp_in_temp): New function.
4655 (simplify_test_exp): Avoid explicit use of temporary obstack.
4656 (simplify_cond, insert_right_side, evaluate_eq_attr,
4657 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4658 Use simplify_test_exp_in_temp.
4659 (optimize_attrs): Iterate until expression stabilizes.
4661 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4663 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4664 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4666 2001-08-13 Richard Henderson <rth@redhat.com>
4668 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4669 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4670 * config/arm/conix-elf.h: Likewise.
4672 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4674 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4676 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4678 * gcse.c (hash_scan_set): Expressions that are set as part of
4679 jump instructions are not available.
4681 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4683 * config/s390/s390.c (print_operand, s390_function_prologue,
4684 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4686 2001-08-13 Richard Henderson <rth@redhat.com>
4688 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4689 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4690 * doc/tm.texi (Exception Region Output): Document it.
4692 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4694 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4695 DWARF2 instead of stabs by default.
4697 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4699 * config/rs6000/rs6000.c: Include optabs.h.
4701 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4703 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4704 save/restore routines.
4705 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4707 2001-08-13 Andreas Jaeger <aj@suse.de>
4709 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4710 the english is correct.
4712 2001-08-13 Zack Weinberg <zackw@panix.com>
4714 * expr.h: Split out optab- and libfunc-related code to...
4715 * optabs.h, libfuncs.h: ... these new headers.
4717 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4719 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4721 * mkconfig.sh: Don't include insn-codes.h from config.h.
4723 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4724 enum insn_code is available. Move reload_in_optab and
4725 reload_out_optab array declarations to optabs.h.
4726 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4727 there, prototype in expr.h.
4728 * gencodes.c: Cleanup: zap global variables, don't use
4729 printf where puts will do, don't bother defining MAX_INSN_CODE
4730 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4732 * genemit.c, genopinit.c: Include optabs.h in generated file.
4733 * genoutput.c: Include insn-codes.h in generated file.
4734 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4735 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4736 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4737 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4738 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4739 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4741 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4742 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4743 config/m88k/m88k.c, config/sparc/sparc.c:
4745 * reload.c: Include expr.h and optabs.h before reload.h.
4746 * config/alpha/alpha.c: Include tree.h before reload.h.
4747 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4748 and reload.h in that order.
4749 * config/sparc/sparc.c: Include debug.h.
4750 * recog.c: Include insn-codes.h.
4752 2001-08-13 Andreas Jaeger <aj@suse.de>
4754 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4757 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4759 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4760 * gcc.c (init_spec): Fix typo in comment.
4761 * varasm.c (data_section): Fix typo in comment.
4763 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4765 * predict.c (dump_prediction): New argument "USED".
4766 (combine_predictions_for_insn): Determine the used heuristics,
4767 output the case no heuristic applied.
4768 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4770 2001-08-13 Andreas Jaeger <aj@suse.de>
4772 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4775 2001-08-13 Kazu Hirata <kazu@hxi.com>
4777 * jump.c: Fix formatting.
4779 2001-08-13 Kazu Hirata <kazu@hxi.com>
4781 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4784 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4786 * loop.c (check_dbra_loop): Use condjump_label to compute
4789 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4790 to better document the files they're in.
4792 2001-08-12 Zack Weinberg <zackw@panix.com>
4794 * recog.h (struct insn_operand_data): Shrink 'mode' field
4797 2001-08-12 Kazu Hirata <kazu@hxi.com>
4799 * gcc.c: Fix comment formatting.
4800 * gccspec.c: Likewise.
4803 * genemit.c: Likewise.
4804 * gengenrtl.c: Likewise.
4805 * genrecog.c: Likewise.
4806 * gensupport.c: Likewise.
4807 * ggc-page.c: Likewise.
4808 * global.c: Likewise.
4809 * graph.c: Likewise.
4810 * ifcvt.c: Likewise.
4811 * integrate.c: Likewise.
4813 * libgcc2.c: Likewise.
4815 * mbchar.c: Likewise.
4816 * optabs.c: Likewise.
4817 * predict.c: Likewise.
4818 * prefix.c: Likewise.
4819 * profile.c: Likewise.
4820 * protoize.c: Likewise.
4822 * recog.c: Likewise.
4823 * regclass.c: Likewise.
4824 * regmove.c: Likewise.
4825 * reg-stack.c: Likewise.
4826 * reload1.c: Likewise.
4827 * resource.c: Likewise.
4828 * rtlanal.c: Likewise.
4831 2001-08-12 Kazu Hirata <kazu@hxi.com>
4833 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4834 a tree representing a constant is passed to the macro.
4836 2001-08-12 Richard Henderson <rth@redhat.com>
4838 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4839 (rs6000_elf_asm_out_destructor): New.
4840 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4841 (DTORS_SECTION_ASM_OP): Remove.
4842 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4843 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4845 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4848 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4849 * gcc.c (set_collect_gcc_options): New function, split out from
4851 Ignore elided switches.
4852 (do_spec_1): Invoke before executing command.
4853 (set_input): Export.
4854 Move declaration ...
4855 * gcc.h (set_input): ... here.
4856 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4859 2001-08-12 Richard Henderson <rth@redhat.com>
4861 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4862 thinko wrt TARGET_RELOCATABLE.
4864 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4866 * fix-header.c (cb_file_change): Update prototype.
4868 2001-08-11 Zack Weinberg <zackw@panix.com>
4870 * toplev.c (set_float_handler): Make static.
4871 * toplev.h: Don't prototype set_float_handler.
4873 * simplify-rtx.c: Don't include setjmp.h.
4874 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4876 (simplify_unary_operation, simplify_binary_operation): Use them,
4877 via do_float_handler.
4879 * fold-const.c: Don't include setjmp.h.
4880 (exact_real_inverse_1): New function.
4881 (exact_real_inverse): Use it, via do_float_handler.
4883 * varasm.c: Don't include setjmp.h.
4884 (assemble_real_1): New function.
4885 (assemble_real): Use it, via do_float_handler.
4886 Call internal_error if we get a trap here.
4888 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4889 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4891 2001-08-11 Zack Weinberg <zackw@panix.com>
4893 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4894 STACK_BOUNDARY if not already defined.
4896 * calls.c, function.c, reload1.c, explow.c: Don't default
4897 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4898 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4900 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4903 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4904 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4906 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4908 * cppmacro.c (enter_macro_context): Push macro expansions even
4911 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4913 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4914 (rs6000_elf_section_type_flags): Actually return a value.
4916 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4918 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4919 Clean up code: add missing comments and prototypes, fix warnings,
4920 remove obsolete code, fix spacing to conform to coding style.
4922 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4924 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4925 and TARGET_ASM_CLOSE_PAREN.
4926 (regclass_map): CC register belongs to class NO_REGS.
4927 (legitimize_pic_address): Don't generate unnecessary moves
4928 (to avoid confusing loop optimization).
4929 (check_and_change_labels): Replace jump_long by indirect_jump.
4930 (s390_final_chunkify): Don't start a new literal pool on section
4931 switch in 64-bit code.
4932 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4934 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4935 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4936 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4938 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4939 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4940 (CONST_COSTS): Fixed incorrect costs.
4942 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4943 Use emit_jump instead of emit_jump_insn (gen_jump).
4944 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4945 (to avoid confusing flow analysis).
4946 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4947 (casesi, casesi_jump): New.
4948 (jump_long): Removed. Functionality merged into indirect_jump.
4949 (indirect_jump): Accept address_operand, not just register_operand.
4950 (cjump_long, icjump_long): Use same logic as indirect_jump.
4951 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4952 Fixed broken setjmp/longjmp handling.
4953 (do_builtin_setjmp_setup): Removed.
4955 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4956 broken GNU as versions that don't accept .quad with large
4957 negative values. Use hexadecimal output instead.
4958 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4959 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4960 FUNCTION_EPILOGUE): Removed. Now in targetm.
4962 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4964 * config/s390/fixdfdi.h: Add missing copyright statement.
4965 Fix type conflicts on 64-bit. Add missing SFmode routines.
4967 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4970 2001-08-11 Richard Henderson <rth@redhat.com>
4972 * rtl.h (REG_EH_RETHROW): Remove.
4973 * rtl.c (reg_note_name): Update.
4974 * combine.c (distribute_notes): Don't check for it.
4976 2001-08-11 Richard Henderson <rth@redhat.com>
4978 * combine.c (distribute_notes): Place REG_SETJMP.
4980 2001-08-11 Richard Henderson <rth@redhat.com>
4982 * doc/extend.texi (Arrays and pointers implementation): Discourage
4983 relying on sign-extension of pointers.
4985 2001-08-11 H.J. Lu <hjl@gnu.org>
4987 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4989 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4990 RDATA_SECTION_ASM_OP.
4992 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4994 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4995 main manual to work both for info and HTML versions.
4997 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4998 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5000 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
5001 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
5002 (struct cpp_pool): New member first.
5003 * cppinit.c (append_include_chain): Plug memory leaks.
5004 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
5005 Allocate pragma structures from the (aligned) macro pool to
5006 avoid leaking memory.
5007 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
5008 so we don't leak memory.
5009 * hashtable.c (ht_destroy): New.
5010 * hashtable.h (ht_destroy): New.
5012 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5013 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5015 * c-lex.c (map): Make const.
5016 (cb_file_change): Update for callback passing a line map.
5017 Don't assume we have a previous map. Remove sanity check
5018 about popping too many files.
5019 * cpperror.c (print_location): Make map const.
5020 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
5021 (cpp_make_system_header): Similarly.
5022 (search_from): Similarly.
5023 (_cpp_execute_include): Don't remember where we came from.
5024 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
5025 (struct cpp_reader): Make map const.
5026 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
5027 * cpplib.c (do_line): Update; line maps now hold sysp.
5028 (cpp_push_buffer): Similarly.
5029 (_cpp_do_file_change): Similarly; callback with map instead.
5030 (cpp_get_line_maps): Constify return value.
5031 (_cpp_pop_buffer): Update.
5032 * cpplib.h (struct cpp_file_change): Remove.
5033 (struct cpp_callbacks): Update.
5034 (cpp_get_line_maps): Constify return value.
5035 * cppmacro.c (_cpp_create_definition): Update.
5036 * cppmain.c (struct printer): Constify map.
5037 (maybe_print_line): Similarly.
5038 (print_line): Similarly. Deduce flags 1 and 2 here.
5039 (cb_file_change): Update.
5040 * line-map.c (free_line_maps): Warn regardless.
5041 (add_line_map): Return pointer to const. When passed NULL to_file
5042 with LC_LEAVE, use the obvious values for the return point so the
5043 caller doesn't have to figure them out.
5044 (lookup_line): Return pointer to const.
5045 (print_containing_files): Take pointer to const.
5046 * line-map.h (struct line_map): New members reason, sysp.
5047 (add_line_map): Return pointer to const.
5048 (lookup_line): Similarly.
5049 (print_containing_files): Take pointer to const.
5051 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5052 Richard Henderson <rth@redhat.com>
5054 * regmove.c (regmove_optimize): Avoid setting a register twice in
5057 2001-08-10 Richard Henderson <rth@redhat.com>
5059 * doc/extend.texi (Arrays and pointers implementation): Document
5060 behavior of pointer/integer conversion.
5062 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5064 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5066 2001-08-10 Richard Henderson <rth@redhat.com>
5068 * doc/extend.texi (C Implementation): New chapter.
5069 * doc/gcc.texi (Top): Link it in.
5071 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5073 * doc/install.texi (Specific): Fix CVS merge botch.
5075 2001-08-10 Richard Henderson <rth@redhat.com>
5077 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5078 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5080 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5082 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5083 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5084 this macro is now required.
5086 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5087 loop.c (find_and_verify_loops), reload.c (reload): Check
5088 for rtx code of CALL_INSN, not CALL, when deciding if we
5089 need to check for REG_SETJMP note.
5091 * gcse.c (compute_hash_table, compute_store_table): Update
5092 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5095 * config/avr/avr.c: Fix typo.
5096 * config/convex/convex.c (expand_movstr): Use adjust_address.
5097 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5099 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5100 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5102 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5103 Do define STACK_BOUNDARY.
5104 * config/i370/i370.c: Include expr.h.
5105 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5106 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5107 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5108 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5109 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5110 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5111 * config/romp/romp.c: Include expr.h after tree.h.
5113 (output_fpop): Use xmalloc, not oballoc.
5114 * config/we32k/we32k.c: Include expr.h.
5116 2001-08-10 Kazu Hirata <kazu@hxi.com>
5118 * config/h8300/h8300.h: Fix formatting.
5120 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5122 * c-common.h (RETURN_NULLIFIED_P): Lose.
5123 * c-semantics.c (genrtl_return_stmt): Don't check it.
5125 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5127 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5128 (mips_annotate_frame_insn): New function.
5129 (mips_emit_frame_related_store): New function.
5130 (save_restore_insns): Don't mark instructions that set up the base
5131 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5132 the store instructions instead.
5133 (mips_expand_prologue): If the stack size is moved into a temporary
5134 register, do not mark that move as frame-related. Add a
5135 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5137 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5139 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5140 stack slot as unchanging if current_function_calls_eh_return.
5142 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5144 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5145 access the second half of the TFmode scratch operand.
5147 2001-08-10 Anthony Green <green@redhat.com>
5149 * java/class.c (emit_register_classes): Conditionalize code on
5152 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5154 * doc/install.texi (Specific, avr): Fix cross-reference to the
5155 main manual to work both for info and HTML versions.
5157 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5159 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5160 and "use_goto" argument.
5161 (expand_null_return, expand_value_return): Update all callers.
5162 * function.c (expand_function_end): Remove code to generate simple
5164 * config/vax/vax.md (epilogue): New expander for function return.
5165 * doc/md.texi (epilogue): Remove "if defined".
5167 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5169 * Makefile.in: Partially revert my previous change:
5170 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5171 of the hashtab.o and safe-ctype.o rules.
5173 2001-08-09 Richard Henderson <rth@redhat.com>
5175 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5176 (USE_COLLECT2): Remove duplicate definition.
5177 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5178 (use_collect2): Remove dead code.
5179 * configure.in (use_collect2): Remove will_use_collect2 and
5180 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5181 * configure: Rebuild.
5183 * target.h (targetm.asm_out.constructor): New.
5184 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5185 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5186 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5187 * varasm.c (in_ctors, in_dtors): New.
5188 (assemble_constructor, assemble_destructor): Remove.
5189 (default_stabs_asm_out_destructor): New.
5190 (default_named_section_asm_out_destructor): New.
5191 (dtors_section, default_dtor_section_asm_out_destructor): New.
5192 (default_stabs_asm_out_constructor): New.
5193 (default_named_section_asm_out_constructor): New.
5194 (ctors_section, default_ctor_section_asm_out_constructor): New.
5195 * output.h: Update declarations.
5196 * c-decl.c (c_expand_body): Use target hooks instead of
5197 assemble_constructor and assemble_destructor.
5198 * profile.c (output_func_start_profiler): Likewise.
5199 * objc/objc-act.c (finish_objc): Likewise.
5200 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5201 for the constructor.
5202 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5204 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5205 (DTORS_SECTION_ASM_OP): Likewise.
5206 (__CTOR_LIST__): Use attribute section when possible.
5207 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5209 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5210 ASM_OUTPUT_CONSTRUCTOR.
5212 * config/darwin.c (machopic_asm_out_constructor): New.
5213 (machopic_asm_out_destructor): New.
5214 * config/darwin-protos.h: Update declarations.
5215 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5216 (ASM_OUTPUT_DESTRUCTOR): Remove.
5217 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5218 * config/nextstep.c (nextstep_asm_out_constructor): New.
5219 (nextstep_asm_out_destructor): New.
5220 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5221 (ASM_OUTPUT_DESTRUCTOR): Remove.
5222 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5223 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5224 ASM_OUTPUT_*STRUCTOR.
5225 * config/i386/aix386ng.h: Likewise.
5227 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5228 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5229 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5230 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5231 * config/lynx.h: Likewise.
5232 * config/netware.h: Likewise.
5233 * config/psos.h: Likewise.
5234 * config/alpha/alpha-interix.h: Likewise.
5235 * config/alpha/elf.h: Likewise.
5236 * config/arc/arc.h: Likewise.
5237 * config/arm/aof.h: Likewise.
5238 * config/arm/coff.h: Likewise.
5239 * config/arm/elf.h: Likewise.
5240 * config/c4x/c4x.h: Likewise.
5241 * config/h8300/h8300.h: Likewise.
5242 * config/i386/cygwin.h: Likewise.
5243 * config/i386/djgpp.h: Likewise.
5244 * config/i386/i386-coff.h: Likewise.
5245 * config/i386/i386-interix.h: Likewise.
5246 * config/i386/sco5.h: Likewise.
5247 * config/i386/vsta.h: Likewise.
5248 * config/i386/win32.h: Likewise.
5249 * config/i960/i960-coff.h: Likewise.
5250 * config/ia64/sysv4.h: Likewise.
5251 * config/m68hc11/m68hc11.h: Likewise.
5252 * config/m68k/coff.h: Likewise.
5253 * config/m68k/mot3300.h: Likewise.
5254 * config/m88k/m88k.h: Likewise.
5255 * config/mcore/mcore-pe.h: Likewise.
5256 * config/mcore/mcore.h: Likewise.
5257 * config/mips/elf.h: Likewise.
5258 * config/mips/elf64.h: Likewise.
5259 * config/mips/iris6.h: Likewise.
5260 * config/pa/pa64-hpux.h: Likewise.
5261 * config/rs6000/sysv4.h: Likewise.
5262 * config/sh/sh.h: Likewise.
5263 * config/sparc/litecoff.h: Likewise.
5265 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5266 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5267 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5268 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5269 (ASM_OUTPUT_DESTRUCTOR): Remove.
5270 * config/a29k/a29k.c: Move include of tree.h.
5271 * config/a29k/udi.h: Delete file.
5272 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5273 (vms_asm_out_destructor): New.
5274 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5275 (EXTRA_SECTION_FUNCTIONS): Likewise.
5276 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5277 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5278 * config/c4x/c4x.c: Move include of tree.h.
5279 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5280 (clix_asm_out_destructor): New.
5281 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5282 (ASM_OUTPUT_DESTRUCTOR): Remove.
5283 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5284 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5285 (TARGET_ASM_CONSTRUCTOR): New.
5286 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5287 (sco_asm_out_constructor): New.
5288 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5289 * config/i386/svr3gas.h: Remove stack grows up code.
5290 Remove code duplicated from i386/sysv3.h.
5291 (TARGET_ASM_CONSTRUCTOR): New.
5292 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5293 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5294 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5295 (TARGET_ASM_CONSTRUCTOR): New.
5296 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5297 (m68hc11_asm_out_destructor): New.
5298 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5299 (TARGET_ASM_DESTRUCTOR): New.
5300 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5301 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5302 config/svr3.h pertaining to section manipulation.
5303 * config/m68k/dpx2g.h: Remove #if 0 code.
5304 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5305 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5306 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5307 (TARGET_ASM_CONSTRUCTOR): New.
5308 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5309 (m88k_svr3_asm_out_constructor): New.
5310 (m88k_svr3_asm_out_destructor): New.
5311 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5312 (ASM_OUTPUT_DESTRUCTOR): Remove.
5313 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5314 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5315 * config/rs6000/aix.h: Likewise.
5316 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5317 * config/mips/vxworks.h: Likewise.
5318 * config/rs6000/lynx.h: Likewise.
5319 * config/sh/elf.h: Likewise.
5320 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5321 (DTORS_SECTION_ASM_OP): New.
5322 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5323 (ASM_OUTPUT_DESTRUCTOR): Remove.
5324 * config/sparc/sol2-sld-64.h: Likewise.
5325 * config/vax/vax.c (vms_asm_out_constructor): New.
5326 (vms_asm_out_destructor): New.
5327 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5328 (ASM_OUTPUT_DESTRUCTOR): Remove.
5329 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5331 * doc/tm.texi (@node Initialization): Update.
5333 2001-08-09 Richard Henderson <rth@redhat.com>
5335 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5336 (__do_global_dtors_aux): Use gp-relative static data to avoid
5337 one dynamic relocation.
5338 (__do_frame_setup): Register Java classes.
5339 * config/alpha/crtend.asm (__JCR_END__): New.
5341 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5343 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5344 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5345 (GEN, STAGESTUFF): Add new files.
5346 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5347 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5348 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5349 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5350 as well as insn-codes.h and insn-flags.h in config.h; and no
5351 extra headers in tconfig.h and hconfig.h.
5353 * gencodes.c: Eliminate code to generate predicate declarations
5354 or #defines for md-file constants.
5355 * genconstants.c, genpreds.c: New files.
5357 * i386.md: Re-order guard expressions such that TARGET_64BIT
5358 comes first, when this permits better optimization. Add
5359 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5360 why this is desirable.
5362 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5364 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5365 (find_fde_for_dso): Remove.
5366 (_Unwind_IteratePhdrCallback): New.
5367 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5368 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5370 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5372 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5373 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5375 2001-08-09 Graham Stott <grahams@redhat.com>
5377 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5378 (vis_no_unit): Use it.
5379 (visualize_no_unit): Add the insn only if room exists.
5381 2001-08-09 Graham Stott <grahams@redhat.com>
5383 * predict.c (estimate_probability): Replace magic numbers with
5384 appropriate enumeration.
5386 2001-08-09 Graham Stott <grahams@redhat.com>
5388 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5390 (EXTRACT_FLAGS): Likewise.
5392 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5394 * config/mips/mips.c (mips_legitimate_address_p): Check for
5395 CONST_INT in last patch.
5397 2001-08-08 Anthony Green <green@redhat.com>
5399 * java/class.c (emit_register_classes): Use assemble_jcr if
5400 possible. Keep the original mechanism as a fallback.
5401 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5402 and weak symbol support.
5403 * crtstuff.c (__JCR_LIST__): Define.
5404 (__JCR_END__): Define.
5405 (_Jv_RegiserClasses): Define weak symbol if possible.
5406 (__do_global_ctors_aux): Register classes for ELF targets with
5407 weak symbol support.
5409 2001-08-08 Kazu Hirata <kazu@hxi.com>
5411 * dbxout.c: Fix comment formatting.
5412 * dependence.c: Likewise.
5414 * diagnostic.c: Likewise.
5415 * dominance.c: Likewise.
5416 * doprint.c: Likewise.
5417 * dwarf2out.c: Likewise.
5418 * dwarfout.c: Likewise.
5419 * emit-rtl.c: Likewise.
5420 * except.c: Likewise.
5421 * explow.c: Likewise.
5422 * expmed.c: Likewise.
5425 * fold-const.c: Likewise.
5426 * function.c: Likewise.
5428 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5430 * global.c (retry_global_alloc): Avoid shadowing allocno.
5432 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5434 * except.c (remove_fixup_regions): Fix typo.
5436 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5438 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5439 unsigned HOST_WIDE_INT to avoid warning.
5440 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5441 * flow.c (set_block_for_new_insns): Likewise.
5443 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5445 * sibcall.c (return_value_pseudo): New static variable.
5446 (skip_copy_to_return_value): Handle return_value_pseudo.
5447 (call_ends_block_p): Ensure that return_value_pseudo is set.
5448 (optimize_sibling_and_tail_recursive_call): Discover the
5449 load of pseudo return value in alternate exit block.
5451 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5453 * calls.c (ECF_ALWAYS_RETURN): New constant.
5454 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5455 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5456 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5457 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5458 * rtl.c (reg_note_name): New name.
5459 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5461 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5463 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5465 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5467 * alias.c (get_alias_set): Return a previously calculated
5468 alias set for a VAR_DECL.
5469 * function.c (gen_mem_addressof): Calculate the alias set before
5472 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5474 * predict.def: Set hitrates according our experimental run.
5476 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5478 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5480 2001-08-08 H.J. Lu <hjl@gnu.org>
5482 * config/mips/mips.c (mips_unique_section): New. Copied from
5485 * config/mips/mips-protos.h (mips_unique_section): New
5488 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5490 * config/mips/little.h: New. Generic little endian mips
5491 targets. Only mips*-*-linux* is converted to use it so far.
5493 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5494 (WCHAR_TYPE): Defined
5495 (WCHAR_TYPE_SIZE): Likewise.
5496 (INIT_SUBTARGET_OPTABS): Likewise.
5497 (BSS_SECTION_ASM_OP): Likewise.
5498 (SBSS_SECTION_ASM_OP): Likewise.
5499 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5500 (ASM_DECLARE_OBJECT_NAME): Likewise.
5501 (UNIQUE_SECTION): Likewise.
5502 (EXTRA_SECTIONS): Likewise.
5503 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5504 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5505 (ASM_OUTPUT_DEF): Likewise.
5506 (HANDLE_SYSV_PRAGMA): Removed.
5507 (NO_IMPLICIT_EXTERN_C): Likewise.
5508 (TARGET_MEM_FUNCTIONS): Likewise.
5509 (STARTFILE_SPEC): Likewise.
5510 (ENDFILE_SPEC): Likewise.
5511 (LIB_SPEC): Likewise.
5512 (INVOKE__main): Likewise.
5513 (CTOR_LIST_BEGIN): Likewise.
5514 (CTOR_LIST_END): Likewise.
5515 (DTOR_LIST_BEGIN): Likewise.
5516 (DTOR_LIST_END): Likewise.
5517 (SET_ASM_OP): Likewise.
5518 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5519 (ASM_OUTPUT_DEF): Likewise.
5520 (ASM_OUTPUT_IDENT): Likewise.
5522 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5523 (CPLUSPLUS_CPP_SPEC): Likewise.
5524 (ASM_APP_ON) Redefine only if not defined.
5525 (ASM_APP_OFF): Likewise.
5526 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5527 (ASM_OUTPUT_IDENT): Likewise.
5529 * config.gcc: Update tm_file for Linux/mips.
5531 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5533 * cselib.c (cselib_record_sets): If insn is predicated, turn
5534 sources into IF_THEN_ELSEs.
5536 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5537 Turn into define_insn_and_split.
5539 * sched-deps.c: Include "cselib.h".
5540 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5541 Use cselib to turn memory addresses into VALUEs.
5542 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5543 * sched-int.h (struct sched_info): New member USE_CSELIB.
5544 * sched-ebb.c (ebb_sched_info): Initialize it.
5545 * sched-rgn.c (rgn_sched_info): Likewise.
5546 * Makefile.in (sched-deps.o): Update dependencies.
5548 * cselib.h (cselib_subst_to_values): Declare.
5549 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5550 that have no value and autoincs to be handled by generating a new
5553 2001-08-08 Graham Stott <grahams@redhat.com>
5555 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5556 within fixed length SEQUENCE.
5558 2001-08-08 Graham Stott <grahams@redhat.com>
5560 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5561 (diagnostic_prefixing_rule): Likewise.
5562 (diagnostic_line_cutoff): Likewise.
5563 (diagnostic_kind_count): Likewise.
5565 2001-08-08 Graham Stott <grahams@redhat.com>
5567 * alias.c (find_base_decl): Delete redundent assignment.
5569 2001-08-08 Graham Stott <grahams@redhat.com>
5571 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5572 (abs): Uppercase and paranthesize macro parameter.
5573 (MEM_DEPENDENCY): Add whitespace.
5575 2001-08-08 Graham Stott <grahams@redhat.com>
5577 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5578 failure check for CONST_INT
5580 2001-08-08 Graham Stott <grahams@redhat.com>
5582 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5583 (libcall_dead_p): Likewise.
5585 (mark_used_regs): Constify fmt.
5586 (find_use_as_address): Likewise.
5588 2001-08-08 Graham Stott <grahams@redhat.com>
5590 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5593 2001-08-08 Graham Stott <grahams@redhat.com>
5595 * combine.c (combine_simplify_rtx): Update comment and
5596 remove erroneous test.
5598 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5600 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5601 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5602 take care to avoid multiple no-newline at EOF warnings in that
5605 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5607 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5608 (emit_library_call_value_1): Likewise.
5609 (emit_call_1): Emit REG_SETJMP note.
5610 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5612 * cselib.c (cselib_process_insn): Likewise.
5613 * flow.c (propagate_block): Likewise.
5614 * loop.c (find_and_verify_loops): Likewise.
5615 * reload.c (find_equiv_regs): Likewise.
5616 * reload1.c (reload): Likewise.
5617 * resource.c (mark_referenced_resources,
5618 mark_set_resources): Likewise.
5619 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5620 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5621 * haifa-sched.c (unlink_other_notes): Likewise.
5622 (reemit_notes): Likewise.
5623 * sched-ebb.c (sched_ebb): Likewise.
5624 * sched-rgc.c (sched_region): Likewise.
5625 * rtl.c (note_insn_name): Likewise.
5626 (reg_note_name): Add REG_SETJMP
5627 * rtl.h (reg_note): Add REG_SETJMP.
5628 (insn_note): Remove NOTE_INSN_SETJMP.
5630 * profile.c (branch_prob): Add fake edges for setjmp.
5632 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5634 * config.gcc: Quote target_cpu_default2 correctly for
5635 powerpc*-*-* targets.
5637 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5639 * cpplib.h, line-map.h: Update comments.
5640 * cppmain.c (printer_init): Move inline.
5641 (maybe_print_line, print_line): Take a map pointer.
5642 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5643 (cb_file_change): Don't use prior value of print.map.
5645 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5647 * doc/install.texi: Document fine-grained multilib configuration.
5649 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5651 * rtlanal.c (find_first_parameter_load): Call note_stores
5652 only on the instructions.
5654 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5656 * alias.c (nonlocal_mentioned_p):
5657 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5658 * calls.c (emit_call_1): Likewise.
5659 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5660 * cselib.c (cselib_process_insn): Likewise.
5661 * df.c (df_insns_modify): Likewise.
5662 * flow.c (need_fake_edge_p): Likewise.
5663 (propagate_one_insn): Likewise.
5664 * haifa-sched.c (reemit_notes): Likewise.
5665 * integrate.c (copy_insn_list): Likewise.
5666 * jump.c (delete_prior_computation): Likewise.
5667 * local-alloc.c (validate_equiv_mem): Likewise.
5668 * loop.c (scan_loop): Likewise.
5669 * predict.c (estimate_probability): Likewise.
5670 * reload.c (reload): Likewise.
5671 * sched-deps (sched_analyze): Likewise.
5672 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5673 * gcse.c (compute_hash_table): Likewise.
5674 (mark_call): Likewise.
5675 (store_killed_in_insn): Likewise.
5677 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5679 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5681 2001-08-06 Richard Henderson <rth@redhat.com>
5683 * varasm.c (assemble_gc_entry): Remove.
5684 * output.h: Likewise.
5686 2001-08-06 Richard Henderson <rth@redhat.com>
5688 * varasm.c (assemble_constructor): Take a symbol_ref and a
5689 priority instead of a bare string. Move priority handling
5690 here from cp/decl2.c.
5691 * output.h: Update decls.
5693 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5694 and assemble_destructor.
5695 * profile.c (output_func_start_profiler): Likewise.
5696 * objc/objc-act.c (finish_objc): Likewise.
5697 (build_module_descriptor): Return the symbol not the symbol name.
5699 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5701 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5702 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5703 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5704 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5705 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5706 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5708 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5710 * cpperror.c (print_containing_files): Moved to line-map.c.
5711 (print_location): line-map.c handles re-listing or otherwise.
5712 * cpphash.h (struct lexer_state): Remove next_bol.
5713 (struct cpp_buffer): Remove include_stack_listed.
5714 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5715 Remove faked buffer handling.
5716 (_cpp_do_file_change): Tweak.
5717 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5718 * cppmain.c (struct printer): Remove filename.
5719 (print_line, cb_file_change): Update accordingly.
5720 * line-map.c: Include intl.h.
5721 (init_line_maps): Initialize last_listed.
5722 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5723 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5724 (print_containing_files): New.
5725 * line-map.h (struct line_maps): New member last_listed.
5726 (print_containing_files, INCLUDED_FROM): New.
5727 * Makefile.in: Update.
5728 * po/POTFILES.in: Add line-map.c.
5730 2001-08-06 Richard Henderson <rth@redhat.com>
5732 * except.c (convert_from_eh_region_ranges_1): Never mark
5733 USE or CLOBBER insns as throwing.
5735 * expr.c (store_constructor): Don't clobber memory targets.
5737 2001-08-06 Andreas Jaeger <aj@suse.de>
5739 * profile.c (branch_prob): Remove unused variable insn.
5741 * Makefile.in (local-alloc.o): Add dependency on except.h.
5743 * local-alloc.c: Include except.h for can_throw_internal prototype.
5745 2001-08-06 Richard Henderson <rth@redhat.com>
5747 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5748 * function.c (expand_main_function): Implement it.
5749 * doc/tm.texi: Document it.
5751 2001-08-06 Stan Shebs <shebs@apple.com>
5753 * doc/install.texi: Document powerpc-*-darwin* details.
5755 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5757 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5758 (ASM_CPU_SPEC): Move back to rs6000.h
5759 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5761 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5763 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5766 * config/rs6000/linux64.h: Ditto.
5768 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5769 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5772 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5773 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5775 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5778 2001-08-05 Richard Henderson <rth@redhat.com>
5780 * local-alloc.c (update_equiv_regs): Do not move insns that
5783 2001-08-05 Jan Hubicka <jh@suse.cz>
5785 * Makefile.in (reload1.o): Add dedendancy on except.h
5786 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5788 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5789 indicating wehther edges has been cleaned up.
5790 * reload1.c: Inlucde except.h
5791 (fixup_abnormal_edges): Accept deleted insns.
5792 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5795 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5797 * cpplib.c (do_line): Correct line number after pop_buffer.
5799 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5801 PR preprocessor/3824
5802 * line-map.c: Update comments.
5803 * line-map.h: Update comments.
5804 * tradcif.y: Don't consider large numbers unsigned.
5806 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5808 PR preprocessor/3081
5809 * c-lex.c (map): New.
5810 (cb_file_change): Update map and use it.
5811 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5812 (c_lex): Update to use map.
5813 * cpperror.c (print_location): Move to using logical line numbers.
5814 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5815 (cpp_make_system_header): Similarly.
5816 (_cpp_execute_include): Stop line numbering hacks. Store the
5817 line we will return to.
5818 * cpphash.h (CPP_BUF_LINE): Remove.
5819 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5820 Add map and return_to_line.
5821 (_cpp_do_file_change): Update.
5822 * cppinit.c (cpp_start_read): Update line kludge.
5823 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5824 (trigraph_ok): Use logical line numbers for diagnostics.
5825 (skip_block_comment): Likewise.
5826 (skip_whitespace): Likewise.
5827 (skip_line_comment): Use pfile->line instead.
5828 (_cpp_lex_token): Update to use logical line numbering exclusively.
5829 Handle BOL locally. Accept new lines in directives, but keep
5830 pfile->line decremented. Diagnostics use logical lines. Update
5832 * cpplib.c (SEEN_EOL): New.
5833 (skip_rest_of_line, check_eol): Use it.
5834 (end_directive): Increase line number when accepting the newline
5835 at the end of a directive.
5836 (run_directive): Simplify.
5837 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5838 (_cpp_do_file_change): Update to take buffer line number as an
5839 argument, and store the current map in the cpp_reader. Remove
5840 line number kludges.
5841 (_cpp_do__Pragma): Restore output position after a _Pragma.
5842 (cpp_push_buffer): Don't set output line or lineno.
5843 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5844 Remove line kludge. Set output_line.
5845 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5846 (parse_arg): Use logical lines.
5847 (save_lookahead_token): Save EOFs too now.
5848 * cppmain.c (struct printer): Fix comments.
5849 (printer_init): Simplify, let caller do errors.
5850 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5851 (maybe_print_line): Simplify.
5852 (print_line): Don't print a linemarker if -P.
5853 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5854 (cb_file_change): Simplify.
5855 * line-map.h (LAST_SOURCE_LINE): Fix.
5856 (CURRENT_LINE_MAP): New.
5858 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5860 * doloop.c (doloop_modify_runtime): Properly compute number of
5861 iterations if loop was unrolled.
5863 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5864 if their CSELIB_VAL_PTRs are.
5866 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5867 (setup_spill_pointers): Initialize it.
5868 (spill_restore_mem): Set it.
5869 (do_spill, do_restore): Use it to add REG_INC note.
5870 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5872 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5873 asms if other insns are available.
5875 * config/ia64/ia64.c (condop_operator): New predicate.
5876 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5877 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5880 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5881 temporary register than directly using a MEM.
5883 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5885 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5886 parameter in last change.
5888 2001-08-04 Zack Weinberg <zackw@panix.com>
5890 * sparc.md: Don't use #if inside C test expression.
5892 2001-08-04 Richard Henderson <rth@redhat.com>
5894 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5896 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5898 * cpphash.h (struct cpp_reader): New member directive_line.
5899 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5900 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5901 do_pragma): Pass line to callbacks.
5902 (start_directive): Record line of directive.
5903 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5904 cb_include): Similarly.
5905 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5908 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5910 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5913 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5915 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5917 * reload1.c (fixup_abnormal_edges): New static function.
5920 * flow.c (need_fake_edge_p): New function.
5921 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5922 avoid call insn to be very last insn in the insn stream.
5924 * profile.c (branch_prob): Call flow_call_edges_add instead of
5925 doing that by hand; cleanup cfg to re-merge basic blocks once
5928 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5930 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5931 are also on line-map.h.
5932 * cppfiles.c (stack_include_file): Update.
5933 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5934 (_cpp_pop_buffer): New.
5935 * cppinit.c (cpp_destroy, cpp_finish): Update.
5936 (do_includes): Mark each buffer to return at EOF.
5937 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5938 return as requested.
5939 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5940 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5941 * cpplib.h (cpp_pop_buffer): Remove.
5942 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5943 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5945 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5947 (do_preprocessing): Update.
5948 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5949 * c-parse.in (_yylex): Similarly.
5950 * scan-decls.c (scan_decls): Similarly.
5951 * line-map.h: Update comments.
5953 * objc/Make-lang.in (objc-act.o): Update dependencies.
5955 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5957 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5958 and soft register for operand 0.
5959 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5961 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5963 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5964 register for operand 0.
5965 ("bitcmpqi_z_used"): Allow memory for operand 0.
5966 (split "bitcmpqi"): New split to handle address reg as operand 1.
5968 2001-08-04 Andreas Jaeger <aj@suse.de>
5970 * gcse.c: Revert Daniel's last patch.
5972 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5974 * sparc-protos.h: Add prototypes for fp_zero_operand and
5976 * sh-protos.h: Add prototype for fpul_operand.
5978 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5980 * doc/extend.texi (Other Builtins): Fix typo in last change.
5982 2001-08-03 Richard Henderson <rth@redhat.com>
5984 * target.h (gcc_target): Add asm_out.named_section,
5985 section_type_flags, have_named_sections.
5986 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5987 (TARGET_HAVE_NAMED_SECTIONS): New.
5988 (TARGET_SECTION_TYPE_FLAGS): New.
5990 * Makefile.in (toplev.o): Depend on TARGET_H.
5991 (varasm.o, dbxout.o): Likewise.
5992 * c-common.c (decl_attributes): Check targetm.have_named_sections
5993 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5994 * dbxout.c (dbxout_function_decl): Likewise.
5995 (dbxout_function_end): Likewise.
5996 * toplev.c (compile_file): Likewise.
5997 * varasm.c (exception_section): Likewise.
5998 * cp/decl2.c (finish_objects): Likewise.
6000 * defaults.h (EH_FRAME_SECTION): Remove.
6001 (EH_FRAME_SECTION_ASM_OP): Remove.
6002 (EH_FRAME_SECTION_NAME): New.
6003 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
6004 (UNIQUE_SECTION_P): Remove.
6005 * dwarf2out.c (SECTION_FORMAT): Remove.
6006 (ASM_OUTPUT_SECTION): Remove.
6007 (output_call_frame_info): Use named_section_flags.
6008 (output_comp_unit, dwarf2out_start_source_file): Likewise.
6009 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
6010 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
6011 * varasm.c (in_eh_frame, eh_frame_section): Remove.
6012 (named_section_flags): New.
6013 (named_section): Use it and targetm.section_type_flags.
6014 (resolve_unique_section): New.
6015 (assemble_start_function): Use it.
6016 (asm_emit_uninitialised, assemble_variable): Likewise.
6017 (default_section_type_flags): New.
6018 (default_no_named_section, default_elf_asm_named_section): New.
6019 (default_coff_asm_named_section, default_pe_asm_named_section): New.
6020 * output.h: Update varasm.c decls.
6021 (SECTION_*): New flags.
6023 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
6024 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
6026 * config/elfos.h (UNIQUE_SECTION_P): Remove.
6027 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
6028 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
6029 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6030 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6031 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6032 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6033 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6034 * config/pa/pa64-hpux.h,
6036 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6037 (TARGET_ASM_NAMED_SECTION): New.
6038 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6039 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6040 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6041 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6042 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6043 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6044 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6045 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6046 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6047 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6048 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6049 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6050 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6051 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6052 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6053 * config/sparc/sysv4.h: Likewise.
6055 * config/nextstep.h: Error until named sections implemented.
6057 * config/a29k/a29k.c (a29k_asm_named_section): New.
6058 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6059 (vms_section_type_flags, vms_asm_named_section): New.
6060 * config/arm/arm.c (arm_elf_asm_named_section): New.
6061 * config/avr/avr.c (asm_output_section_name): Remove.
6062 * config/avr/avr-protos.h: Update.
6063 * config/c4x/c4x.c (c4x_asm_named_section): New.
6064 * config/h8300/h8300.c (h8300_asm_named_section): New.
6065 * config/i386/i386.c (sco_asm_named_section): New.
6066 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6067 (i386_pe_section_type_flags): New.
6068 (i386_pe_asm_named_section): New.
6069 * config/i386/i386-protos.h: Update.
6070 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6071 * config/mcore/mcore.c (mcore_asm_named_section): New.
6072 * config/mips/mips.c (iris6_asm_named_section): New.
6073 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6074 instead of UNIQUE_SECTION_P.
6075 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6076 (xcoff_asm_named_section): New.
6077 * config/sh/sh.c (sh_asm_named_section): New.
6078 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6080 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6081 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6082 (EH_FRAME_SECTION_NAME): New.
6083 (EXCEPTION_SECTION): New.
6084 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6085 (DEBUG_*_SECTION): Remove.
6086 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6087 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6088 (EH_FRAME_SECTION_ASM_OP): Remove.
6090 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6091 (ASM_OUTPUT_SECTION_NAME): Remove.
6092 (TARGET_ASM_NAMED_SECTION): New.
6093 (TARGET_HAVE_NAMED_SECTIONS): New.
6094 (TARGET_SECTION_TYPE_FLAGS): New.
6095 (EH_FRAME_SECTION_ASM_OP): Remove.
6096 (EH_FRAME_SECTION_NAME): New.
6098 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6100 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6101 for complex expressions when cfun == 0.
6102 * doc/extend.texi: Document that __builtin_constant_p can be
6103 used in data initializers as well as functions.
6105 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6107 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6108 variable I locally, instead of expecting a declaration in the
6111 2001-08-03 Richard Henderson <rth@redhat.com>
6113 * except.c (collect_one_action_chain): Add an explicit cleanup
6114 action if regions surrounding a catch were encoded entirely
6115 within the call-site entry.
6117 2001-08-03 Richard Henderson <rth@redhat.com>
6119 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6120 don't take REGNO of a non-register.
6122 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6124 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6125 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6126 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6127 (__gthread_mutex_init_function): New function for mutex initialization.
6129 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6131 * Makefile.in: Revert screwed up commit.
6133 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6135 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6136 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6137 merged by linker script to get a final _exit().
6138 (__do_global_dtors): New for destructor handling in specific exit
6140 (__do_global_ctors): New for constructors in specific install section.
6141 (__map_data_section): Map data sections before running constructors.
6142 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6143 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6144 (DTORS_SECTION_ASM_OP): Likewise.
6145 (CTORS_SECTION_FUNCTION): Define to force a reference to
6147 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6149 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6151 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6153 * Makefile.in: Add df.h to gcse.c dependencies.
6155 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6157 * varasm.c (output_constant_def_contents): Use for the length of a
6158 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6159 depending on which is larger.
6161 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6163 * gcse.c: Include df.h for use as a dataflow analyzer.
6165 Declaration of reg_set_info: gone.
6166 New df_analyzer variable used by store motion.
6167 (reg_set_info): Deleted.
6168 (mark_mem_regs): New function, analyze regs used by a mem.
6169 (store_ops_ok): Use dataflow analyzer results to determine if
6170 necessary regs are changed in the block.
6171 (find_moveable_store): Remove check for symbol ref, we can handle
6172 much more complex expressions now.
6173 (compute_store_table): Remove most of the code, it's unnecessary
6174 now that the dataflow analyzer records the info for us.
6175 (store_killed_after): Add parameter to say whether to do the
6176 store_ops_okay test, used to speed up testing when we already know
6177 the answer, and just want to know if the store itself was killed.
6178 (build_store_vector): Largely rewritten to calculate the various
6179 vectors properly, and somewhat optimized.
6180 (store_motion): Init the df_analyzer, get REG_DEF chains.
6181 Also handle trapping expressions (since mems almost always trap)
6182 (simple_mem): Redefine what a simple mem is.
6184 2001-08-03 DJ Delorie <dj@redhat.com>
6186 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6187 set from a constant part of the condition.
6189 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6191 * mkdeps.c (deps_add_default_target): Make local variable
6192 ``start'' a const char pointer.
6193 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6195 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6197 * doc/install.texi (Configuration): Fix markup.
6198 (Specific, i?86-*-udk): Likewise.
6199 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6201 Document --enable-threads and --enable-libgcj status.
6202 (Specific, mips-sgi-irix*): Canonicalize triples.
6203 (Specific, mips-sgi-irix5): Warn about problems with this config.
6204 Mention required GNU as patch.
6205 Native assembler problems are fixed.
6206 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6207 Document --enable-threads and --enable-libgcj status.
6209 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6211 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6214 2001-08-03 Richard Henderson <rth@redhat.com>
6216 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6219 2001-08-03 Richard Henderson <rth@redhat.com>
6221 * rtlanal.c (find_first_parameter_load): Stop if we
6222 reach a CODE_LABEL at BOUNDARY.
6224 2001-08-03 Richard Henderson <rth@redhat.com>
6226 * config/alpha/alpha.md (force_movdi): New insn.
6227 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6228 Tweek FRP marking of VMS prologue insns.
6229 * config/alpha/vms.h (EPILOGUE_USES): New.
6231 2001-08-02 Richard Henderson <rth@redhat.com>
6233 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6235 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6237 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6238 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6239 config/convex/convex.h, config/d30v/d30v.c,
6240 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6241 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6242 config/mips/mips.h, config/mn10200/mn10200.h,
6243 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6244 config/v850/v850.h, config/vax/openbsd.h,
6245 config/vax/openbsd1.h, config/vax/ultrix.h,
6246 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6247 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6248 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6249 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6250 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6251 in comments and documentation.
6253 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6257 * Makefile.in (line-map.o): New.
6258 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6259 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6260 * cpperror.c (print_containing_files): Similarly.
6261 (print_location): Update. Don't output a space before _Pragma.
6262 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6263 (stack_include_filee, cpp_make_system_header): Update.
6264 (_cpp_execute_include): Get logical line number right for calling
6265 as-yet-unterminated #include.
6266 * cpphash.h (struct cpp_reader): Add line_maps.
6267 (_cpp_do_file_change): Update.
6268 * cppinit.c (cpp_create_reader): Initialize line maps.
6269 (cpp_destroy): Destroy line maps.
6270 (cpp_start_read): Get logical line number right.
6271 * cpplex.c (parse_string): Only warn once for multi-line strings.
6272 Use boolean variable for null warning.
6273 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6275 (do_include_common): End the directive early.
6276 (do_line): Don't warn about out-of-range lines in preprocessed
6277 source. Update. Remove unused variables.
6278 (_cpp_do_file_change): Update for new line mapping.
6279 (pragma_cb): New typedef.
6280 (cpp_register_pragma): Stop looking ahead before calling the
6282 (do_pragma_system_header): End directive early.
6283 (cpp_get_line_maps): New.
6284 (cpp_pop_buffer): Fudge logical line. Update.
6285 * cpplib.h: Include line-map.h
6286 (enum cpp_fc_reason): Remove.
6287 (struct cpp_file_change): Update.
6288 (cpp_get_line_maps): New.
6289 * cppmain.c (struct_printer): New member map.
6290 (cb_file_change): Update for new mappings.
6291 * fix-header.c (cb_file_change): Similarly.
6293 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6295 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6296 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6298 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6300 * config/vax/vax.c: include expr.h.
6302 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6304 * Makefile.in ($(srcdir)/configure): Only rebuild in
6306 ($(srcdir)/config.in): Only define in maintainer mode.
6307 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6309 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6311 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6313 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6315 * gcc.c (set_collect_gcc_options): New function, split out from
6317 Ignore elided switches.
6318 (do_spec_1): Invoke before executing command.
6319 (set_input): Export.
6320 Move declaration ...
6321 * gcc.h (set_input): ... here.
6322 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6325 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6328 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6330 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6332 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6334 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6335 for the unnamed instructions it expands to.
6337 2001-08-02 Richard Henderson <rth@redhat.com>
6339 * regclass.c (call_really_used_regs): Conditionally define.
6340 (init_reg_sets_1): Don't use it if not defined.
6341 (fix_register): Similarly, don't set it.
6343 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6345 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6346 Correct comment that had been missed in the previous change.
6348 2001-08-01 Stan Shebs <shebs@apple.com>
6350 * config/darwin.c (machopic_stub_name): Try matching by name.
6351 (update_stubs): New function.
6352 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6355 2001-08-01 Richard Henderson <rth@redhat.com>
6357 * except.c (output_function_exception_table): Use assemble_align.
6358 * varasm.c (assemble_eh_label): Remove.
6359 (assemble_eh_align, assemble_eh_integer): Remove.
6361 2001-08-01 Robert Lipe <robertl@caldera.com>
6363 * dwarfout.c: Remove reference to README.DWARF.
6365 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6367 * regclass.c (call_really_used_regs): New array for registers which
6368 are actually used by a call.
6369 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6371 (fix_register): Set call_really_used too.
6372 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6373 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6375 2001-08-01 Richard Henderson <rth@redhat.com>
6377 * read-rtl.c (read_name): Consider \r whitespace.
6379 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6381 * config.gcc: Recognize powerpc-*-netbsd*.
6383 * doc/install.texi (Host/target specific installation notes for
6384 GCC): Mention powerpc-*-netbsd*.
6386 * config/rs6000/netbsd.h: New file.
6387 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6388 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6389 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6390 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6391 (TARGET_VERSION): Redefine.
6393 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6394 mcall-netbsd as a match for mcall-sysv.
6395 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6396 (ncrti.S, ncrtn.S): New targets.
6397 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6399 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6400 "netbsd' as a V4 ABI.
6401 (ASM_SPEC): Check for -mcall-netbsd.
6402 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6403 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6404 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6405 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6406 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6407 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6408 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6410 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6411 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6413 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6415 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6416 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6417 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6418 including "unwind-pe.h".
6420 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6422 * rs6000.md (define_splits): Kill unused constraints.
6424 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6425 Jan Hubicka <jh@suse.cz>
6427 * function.c (thread_prologue_and_epilogue_insns): Kill code
6428 dealing with non-existent CFG.
6430 2001-08-01 Kazu Hirata <kazu@hxi.com>
6432 * alias.c: Fix comment formatting.
6433 * bitmap.c: Likewise.
6434 * builtins.c: Likewise.
6435 * calls.c: Likewise.
6436 * c-common.c: Likewise.
6437 * c-decl.c: Likewise.
6438 * c-dump.c: Likewise.
6439 * c-lex.c: Likewise.
6440 * collect2.c: Likewise.
6441 * combine.c: Likewise.
6442 * conflict.c: Likewise.
6443 * cppfiles.c: Likewise.
6444 * cppinit.c: Likewise.
6445 * cpplex.c: Likewise.
6446 * cpplib.c: Likewise.
6447 * cppmacro.c: Likewise.
6448 * cppspec.c: Likewise.
6449 * c-pragma.c: Likewise.
6450 * crtstuff.c: Likewise.
6452 * cselib.c: Likewise.
6453 * c-semantics.c: Likewise.
6454 * c-typeck.c: Likewise.
6456 2001-08-01 H.J. Lu <hjl@gnu.org>
6458 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6460 2001-08-01 H.J. Lu <hjl@gnu.org>
6462 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6464 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6466 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6467 contextualizing Objective-C class name lookup by the lexer.
6468 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6470 (protocoldef): Add support for forward @protocol declarations.
6471 (yylexname): Suppress ObjC class name lookup in certain contexts;
6472 re-enable after lookup is complete.
6473 (_yylex): Re-enable ObjC class name lookup when certain
6474 punctuation marks are seen.
6476 * objc/objc-act.c (check_protocol_recursively): New function used
6477 for finding circular dependencies in protocols.
6478 (objc_declare_protocols): New function for handling forward
6479 @protocol declarations.
6480 (receiver_is_class_object): Detect the case when 'self' is used
6481 inside of a class method.
6482 (build_message_expr): Issue a warning if class method is desired
6483 but instance method is found instead.
6484 (conforms_to_protocol): Streamline.
6485 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6486 protocol Foo, even if 'Bar foo' does not.
6487 (check_protocols): Streamline.
6488 (start_protocol): Add checks for circular and duplicate protocol
6490 (encode_aggregate_within): For typedefs of structs, encode the
6492 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6493 (objc_declare_protocols): New prototype.
6495 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6497 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6498 * cpplex.c (handle_newline): Update prototype. Maintain logical
6500 (skip_escaped_newlines, skip_block_comment, parse_string):
6502 (_cpp_lex_token): Update, and store token position within the token.
6503 * cpplib.h (struct cpp_token): Add line and column entries.
6504 * cppmacro.c (replace_args): Position stringified tokens correctly.
6506 2001-08-01 Andreas Jaeger <aj@suse.de>
6508 * basic-block.h: Add prototype for last_loop_beg_note.
6510 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6512 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6513 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6515 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6516 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6517 expand_decl_cleanup.
6518 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6520 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6521 operand while calling simple_cst_equal.
6522 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6523 operand is the cleanup expression, the third is the RTL_EXPR.
6524 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6526 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6528 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6530 2001-07-31 matthew green <mrg@eterna.com.au>
6532 * config.gcc (i386-*-netbsdelf): New description.
6533 * config/i386/netbsd-elf.h: New file.
6535 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6537 * loop.c (check_dbra_loop): Use single_set to compute
6540 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6542 PowerPC reorg and support for powerpc64-*-linux*.
6544 Also fixes emitting of constants on 32 bit and 64 bit
6547 * config.gcc: powerpc64-*-linux* is a new target.
6548 Things that needed aix.h now also include xcoff.h
6550 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6552 Move AIX specific stuff into aix.h.
6553 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6554 with more than just XCOFF now.
6555 (SET_ASM_OP): Remove, now defined where needed.
6556 (FUNCTION_PROLOGUE): New macro definition.
6557 (FUNCTION_EPILOGUE): New macro definition.
6558 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6560 * config/rs6000/xcoff.h: New file.
6562 * config/rs6000/linux64.h: New file.
6564 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6566 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6568 * rs6000.c (print_operand_address): Handle ELF syntax.
6569 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6570 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6571 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6573 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6575 * rs6000.c (rs6000_override_options): Only disable
6576 flag_function_sections for XCOFF.
6577 (exact_log2_cint_operand): New predicate.
6578 (reg_or_{add,sub}_cint64_operand): New predicates.
6579 (add_operand): Compare CONST_INT with fewer function calls.
6580 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6581 (print_operand, case 'p'): Ensure positive operand.
6582 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6583 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6584 (PREDICATE_CODES): Add new predicates.
6585 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6586 (divsi3, modsi3): Ensure positive power-of-2.
6587 (adddi3): Use new predicate. Split 32-bit constants more
6588 correctly. Re-arrange splitter to handle any constant.
6589 (subdi3): Use new predicate.
6590 (divdi3, moddi3): Ensure positive power-of-2.
6591 (movdi): Use rs6000_emit_set_const.
6592 (load_toc_v4_pic_di): Delete.
6594 2001-07-31 Graham Stott <grahams@redhat.com>
6596 * function.c (pad_below): Revert 2001-07-26 patch.
6598 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6600 * reg-stack (convert_regs_1): Fix best edge condition.
6602 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6604 * jump.c (duplicate_loop_exit_test): Better test for jumps
6605 entering the loop; create loop pre_header.
6607 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6609 * doc/install.texi: Add s390 and s390x as new targets.
6610 * doc/invoke.texi: Add documantation of S/390 and zSeries
6612 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6614 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6616 * config/m68k/m68k.md: Replace all general_operand with
6617 nonimmediate_operand for all destinations.
6618 * config/m68k/m68k.c (not_sp_operand): Likewise.
6620 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6622 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6624 2001-07-30 Richard Henderson <rth@redhat.com>
6626 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6627 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6629 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6631 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6632 Add missing doc strings
6633 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6634 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6636 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6638 * i386.c (ix86_output_main_function_alignment_hack): New function.
6639 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6641 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6642 edges by EDGE_DFS_BACK flag.
6643 (dump_edge_info): Add dfs_back flag.
6644 * basic-block.h (EDGE_DFS_BACK): New constant.
6645 (mark_dfs_back_edges): Declare.
6646 * alias.c (loop_p): Remove.
6647 (mark_constant_function): Use mark_dfs_back_edges.
6649 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6650 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6651 (compensate_edge): Break out from ...
6652 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6653 (convert_regs_2): Set block_done once block is really done;
6654 Do updating of the predecesors counts.
6656 * toplev.c (rest_of_compilation): Recompute block_for_insn
6657 before post-reload cfg_cleanup.
6658 * function.c (thread_prologue_epilogue_insns):
6659 Call set_block_for_new_insns when emitting prologue directly.
6661 2001-07-30 Andreas Jaeger <aj@suse.de>
6663 * jump.c: Add prototype for mark_modified_reg.
6665 * cse.c (set_live_p): Add unused attribute.
6667 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6669 (scan_for_source_files): Use long for count to avoid overflow.
6670 (output_data): Likewise.
6671 (output_data): Don't use string concatatenation to silence gcc
6674 * predict.c: Fix typos and grammar.
6676 * gcse.c (insert_insn_end_bb): Remove unused variables.
6678 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6680 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6681 (attempt_auto_inc): LIkewise.
6682 (mark_used_reg): Likewise.
6683 (try_pre_increment_1): Likewise.
6684 * regclass.c (regclass): Likewise.
6685 * global.c (allocno_compare): Update comment; change scaling factor.
6686 * local-alloc.c (QTY_CMP_PRI): Likewise.
6687 * regs.h (REG_FREQ_FROM_BB): New.
6688 (REG_FREQ_MAX): Likewise.
6690 2001-07-30 H.J. Lu <hjl@gnu.org>
6692 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6695 2001-07-30 H.J. Lu (hjl@gnu.org)
6697 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6698 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6699 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6701 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6703 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6704 as -mthumb-interwork when -mcpu=arm7 is specified.
6706 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6708 * predict.def (noreturn, loop branch, loop exit): Mark as first
6711 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6713 * combine.c (try_combine): Avoid barrier after noop jumps.
6715 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6717 * cpphash.h (struct cpp_reader): Remove import_warning.
6718 * cpplib.c (skip_rest_of_line): Don't bother turning off
6720 (parse_include): Move include handling to...
6721 (do_include_common): ... here. Move import warning from...
6722 (do_import): ... here.
6723 (do_pragma_poison): Don't do a callback for poison identifiers.
6724 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6725 * cppmain.c (setup_callbacks): Similarly.
6727 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6729 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6730 handle multiple sets.
6731 * except.c (sjlj_mark_call_sites): .... here.
6732 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6734 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6736 Suggested by Richard Henderson and Richard Kenner:
6737 * combine.c (recog_for_combine): Use the fake recog
6738 only if instruction does not match.
6739 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6740 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6742 * combine.c (try_combine): Discover noop jump as direct jump.
6744 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6746 * df.c (df_rd_global_compute): Add successors to worklist, not
6748 (df_ru_global_compute): Ditto.
6750 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6752 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6753 increment REG_N_SETS.
6755 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6757 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6759 * sbitmap.c (sbitmap_a_xor_b): New function.
6760 ifdef the basic block stuff on IN_GCC.
6762 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6764 * cppexp.c (parse_defined): Always record the macro name.
6765 (lex): Don't worry about identifiers, or special-case
6767 (_cpp_parse_expr): Figure out at the end of the routine
6768 whether we saw a valid !defined() expression.
6769 * cppfiles.c (stack_include_file): Update for mi_valid.
6770 (_cpp_pop_file_buffer): Similarly.
6771 * cpplex.c (_cpp_lex_token): Similarly.
6772 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6773 mi_if_not_defined, mi_lexed): Remove.
6775 * cpplib.c (do_if): Simplify.
6776 (do_endif, push_conditional, _cpp_handle_directive): Update
6777 for renaming of mi_state to mi_valid.
6779 * cpp.texi: Add index entries for digraphs, and add comment
6780 that C++ refers to them as alternative tokens.
6782 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6784 * basic-block.h (CLEANUP_PRE_LOOP): New.
6785 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6786 * sibcall.c (optimize_sibling_calls): Likewise.
6787 * toplev.c (rest_of_compilation): Likewise.
6788 * flow.c (try_forward_edges): Take argument MODE;
6789 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6790 (try_optimize_cfg): Update call of try_forward_edges.
6792 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6793 Jan Hubicka <jh@suse.cz>
6795 * (validate_replace_rtx_1): Fix simplification of MINUS.
6797 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6799 PR preprocessor/3669
6800 * cppinit.c (init_dependency_output): Turn off dump requests
6801 if sending dependencies to stdout.
6803 2001-07-28 Richard Henderson <rth@redhat.com>
6805 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6808 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6810 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6812 2001-07-28 Kazu Hirata <kazu@hxi.com>
6814 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6815 is VAR_DECL first to prevent an ICE.
6817 2001-07-28 Richard Henderson <rth@redhat.com>
6819 * varasm.c (immed_real_const_1): Don't elide special cases for
6821 (clear_const_double_mem): Clear const_tiny_rtx too.
6823 2001-07-28 Richard Henderson <rth@redhat.com>
6825 * dwarf2out.c (dw_val_class_offset): New.
6826 (struct dw_ranges_struct, dw_ranges_ref): New.
6827 (ranges_table, ranges_table_allocated): New.
6828 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6829 (add_AT_offset, add_ranges, output_ranges): New.
6830 (print_die, output_die): Handle dw_val_class_offset.
6831 (attr_checksum, size_of_die, value_format): Likewise.
6832 (gen_lexical_block_die): Handle non-contiguous blocks.
6833 (gen_block_die): Likewise.
6834 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6835 if needed. Dump the ranges table.
6836 * final.c (final_start_function): Remove unnecessary notes and
6837 rebuild the block tree before numbering the blocks.
6838 * function.c (reorder_blocks_0): Walk the existing block tree
6839 to unmark all blocks.
6840 (reorder_blocks_1): Create block fragments when duplicate block
6842 (reorder_fix_fragments): New.
6843 (reorder_blocks): Call it.
6844 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6846 2001-07-28 Richard Henderson <rth@redhat.com>
6848 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6850 2001-07-28 Richard Henderson <rth@redhat.com>
6852 * flow.c (add_to_mem_set_list): New function.
6853 (init_propagate_block_info): Use it.
6854 (mark_set_1): Likewise.
6855 (insn_dead_p): Canonicalize memory address for dead store
6856 comparison. Allow wider mode stores to kill narrower mode stores.
6857 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6858 (invalidate_mems_from_set): Don't handle MEMs.
6860 2001-07-28 Kazu Hirata <kazu@hxi.com>
6862 * config/h8300/h8300.h: Fix formatting.
6864 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6866 * basic-block.h (EDGE_FREQUENCY): New macro.
6867 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6869 * flow.c (find_sub_basic_blocks): Likewise.
6870 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6871 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6873 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6874 (HITRATE): New macro.
6875 (PRED_FLAG_FIRST_MATCH): New constant.
6876 (predictor_info): New field flgags.
6877 (combine_predictions_for_insn): Use DS theory to combine
6878 probabilities; set the edge probabilities when finished.
6879 (estimate_probability): Avoid duplicated matches
6880 of LOOP_BRANCH heuristics for nested loops; update comment.
6881 * predict.def: Add flags for each prediction, set probabilities
6882 according to B&L paper.
6883 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6885 * profile.c (compute_branch_probabilities): Cleanup way the edge
6886 probabilities are computed and REG_BR_PROB notes are dropped; if
6887 values does not match, emit error.
6888 (init_branch_prob): Do error instead of warning when profile driven
6889 feedback is missing or corrupt.
6891 2001-07-27 DJ Delorie <dj@redhat.com>
6893 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6894 against a constant, try to adjust the compare to have the desired
6895 constant in it so that min/max optimizations happen more often.
6897 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6899 * flow.c (last_loop_beg_note): New function.
6900 (redirect_edge_and_branch): Use it.
6901 (split_edge): Likewise.
6903 * alias.c (loop_p): Avoid uninitialized memory access.
6905 * flow.c (try_forward_edges): Avoid accessing freed memory.
6907 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6910 2001-07-26 Andrew Haley <aph@redhat.com>
6911 Joern Rennecke <amylaar@redhat.com>
6913 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6914 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6915 (SUBTARGET_CPP_SPEC): New.
6917 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6918 (SUBTARGET_CPP_PTR_SPEC): New.
6919 (CPP_DEFAULT_CPU_SPEC): New.
6920 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6921 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6922 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6923 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6924 (SUBTARGET_CPP_SPEC): Define as an empty string.
6926 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6928 * doc/install.texi (Configuration): Properly link the host
6929 specific instructions also when generating HTML.
6931 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6933 * flow.c (redirect_edge_and_branch_force): Test
6934 target->global_live_at_start.
6936 2001-07-26 Richard Henderson <rth@redhat.com>
6938 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6939 * rtl.h (avoid_constant_pool_reference): Declare it.
6940 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6941 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6943 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6945 * rtl.h (cleanup_barriers): Declare.
6946 * jump.c (cleanup_barriers): New function.
6947 * toplev.c (rest_of_compilation): Call cleanup_barriers
6948 before loop optimizer and after bb_reorder.
6950 * flow.c (back_edge_of_syntactic_loop_p): New.
6951 (split_edge): Use it.
6953 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6955 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6957 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6959 * cse.c (cse_process_notes): Replace any registers if the address
6962 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6964 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6965 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6966 (propagate_block): Update prototype.
6967 * flow.c (update_life_info): Simplify the CFG and
6968 recalculate the global regs which are alive when
6969 removing dead code during a global update.
6970 (propagate_block): Return non-zero if an INSN is
6973 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6975 * Makefile.in (LIBICONV): Define.
6977 2001-07-26 Catherine Moore <clm@redhat.com>
6979 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6980 of conditional to avoid tree checking errors.
6982 2001-07-26 Kazu Hirata <kazu@hxi.com>
6984 * regmove.c (regmove_optimize): Don't replace a reg with
6985 another reg of a different mode.
6987 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6989 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6990 limit length of dependancy flush list.
6991 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6992 * sched-int.h (struct deps): Add pending_flush_length field.
6993 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6994 has 1 element in it.
6995 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6996 (sched_analyze): After a jump, if the pending memory flush list is too
6997 large, flush the pending lists.
6998 (init_deps): Initialize pending_flush_length to 0.
6999 * doc/invoke.texi (max_pending_list_length): Document parameter.
7001 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
7003 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
7004 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
7005 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
7007 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7009 * cpphash.h (struct_lexer_state): Delete was_skipping.
7010 Move skipping here from struct cpp_reader.
7011 * cpplex.c (parse_identifier): Update.
7012 (_cpp_lex_token): Don't skip tokens in a directive.
7013 * cpplib.c (struct if_stack): Update.
7014 (start_directive, end_directive): Don't change skipping state.
7015 (_cpp_handle_directive): Update.
7016 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
7017 (do_else, do_endif): Update; only check for excess tokens if not
7018 in a skipped conditional block.
7019 (push_conditional): Update for new struct if_stack.
7021 2001-07-26 Graham Stott <grahams@redhat.com>
7023 * function.c (locate_and_pad_parm): Also pad initial offset
7024 so that the total argument size also includes the padding.
7026 2001-07-26 Graham Stott <grahams@redhat.com>
7028 * gensupport.c (alter_output_for_insn): Correct enable checking failure
7029 change XSTR to XTMPL.
7031 (process_one_cond_exec): Likewise
7033 2001-07-25 Richard Henderson <rth@redhat.com>
7035 * varasm.c (assemble_variable): Create DECL_RTL before setting
7038 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7040 * predict.c (estimate_probability): Avoid duplicated predictions.
7042 * loop.c (find_and_verify_loops): Grok multiple barriers.
7044 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7046 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7048 * dbxout.c: Consistently use putc instead of fputc.
7049 (print_wide_int): New function; call instead of direct fprintf.
7050 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7051 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7052 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7053 (print_int_cst_octal): Likewise.
7054 (print_octal): Show we wrote characters.
7055 (dbxout_type): Set have_used_extensions in more places.
7057 2001-07-25 Catherine Moore <clm@redhat.com>
7059 * config/v850/v850.c (v850_va_arg): Use addr
7060 instead of valist to build incr.
7062 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7064 * flow.c (delete_dead_jumptables): New function.
7065 (life_analyzis): Call it.
7066 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7069 2001-07-25 Richard Henderson <rth@redhat.com>
7071 * except.c (reachable_handlers): Handle a region being removed
7072 out from under a RESX.
7074 2001-07-25 Richard Henderson <rth@redhat.com>
7076 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7077 swap GE/GT if it is an fp comparison.
7079 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7081 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7084 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7086 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7087 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7090 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7092 (visit_expression): When attempting to simplify an expression,
7093 retrieve any modes for arguments before they are simplified
7096 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7097 Janis Johnson <janis@us.ibm.com>
7099 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7100 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7101 pointer parameters to match documented usage of nonlocal_goto.
7102 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7103 parameters to their correct order.
7104 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7105 parameters to their correct order.
7107 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7109 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7111 2001-07-25 Jan Hubicka <jh@suse.cz>
7112 Richard Henderson <rth@redhat.com>
7114 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7116 (make_edges): New argument update_p; populate the edge cache if set.
7117 (find_basic_blocks): Update make_edges invocation.
7119 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7121 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7123 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7125 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7126 -Acpu and -Amachine.h.
7127 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7128 Corrected header to say ELF not a.out.
7129 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7130 when given -msoft-float.
7132 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7134 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7135 extra multilib parts like arm-elf.
7136 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7137 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7138 crtfini.o as extra multilib parts.
7140 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7142 * configure.in: Add rtems as a supported thread model.
7143 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7144 * configure: Rebuilt.
7146 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7148 * stor-layout.c (get_mode_alignment): make it work when
7149 BITS_PER_UNIT is not a power of two.
7150 * builtins.c (get_pointer_alignment): Likewise.
7152 2001-07-24 Richard Henderson <rth@redhat.com>
7154 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7155 the retrieved constant into the expected mode.
7157 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7159 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7160 (verify_flow_info): Check for duplicated edges; clarify
7163 * flow.c (block_label): Update basic_block_for_insn.
7164 (commit_edge_insertions): Call compute_bb_for_insn.
7166 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7169 * flow.c (redirect_edge_and_branch,
7170 try_optimize_cfg): Use redirect_edge_succ_nodup
7171 (redirect_edge_succ_nodup): New.
7172 * basic_block.h (redirect_edge_succ_nodup): Declare.
7174 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7177 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7179 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7180 (try_crossjump_to_edge): Update commetns.
7181 (try_crossjump_bb): Likewise.
7183 2001-07-24 Richard Henderson <rth@redhat.com>
7185 * combine.c (distribute_notes): Move set of need_refresh
7186 for noop_move_p down to catch all cases.
7188 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7190 * recog.c (split_all_insns_noflow): New.
7191 * rtl.h (split_all_insns_noflow): Declare.
7192 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7193 * m68hc11.c (m68hc11_reorg): Likewise.
7194 * sh.c (machine_dependent_reorg): Likewise.
7195 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7198 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7200 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7201 (ashlsi3_n splitter): Likewise.
7202 (lshrsi3_n splitter): Likewise.
7204 (GOTaddr2picreg): Make const SImode.
7205 (sym_label2reg): Likewise.
7206 (symGOT2reg): Likewise.
7207 (symGOTOFF2reg) Likewise.
7209 (casesi_worker_0): Make unspec SImode.
7211 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7213 * config/sh/sh.c (barrier_align): Check that an operand really is
7214 an insn before extracting its INSN_CODE.
7216 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7218 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7221 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7222 for SImode to prevent overflow.
7224 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7226 * config/mips/irix6-libc-compat.c: New file.
7227 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7228 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7231 2001-07-24 lars brinkhoff <lars@nocrew.org>
7233 * rtl.texi (REG_POINTER): Document.
7234 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7235 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7237 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7239 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7241 2001-07-23 Richard Henderson <rth@redhat.com>
7243 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7245 2001-07-23 Kazu Hirata <kazu@hxi.com>
7247 * config/h8300/h8300-protos.h: Add a prototype for
7248 general_operand_dst_push.
7249 * config/h8300/h8300.c (general_operand_dst_push): New.
7250 * config/h8300/h8300.h (OK_FOR_T): New.
7251 (EXTRA_CONSTRAINT): Use it.
7252 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7253 the existing movqi pattern.
7254 (movhi_push): Likewise.
7256 * reload.c: Fix comment typos.
7258 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7260 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7262 2001-07-23 H.J. Lu (hjl@gnu.org)
7264 * doc/extend.texi: Update __builtin_return_address and
7265 __builtin_frame_address.
7267 2001-07-23 Richard Henderson <rth@redhat.com>
7269 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7271 * config/i386/i386.md: New setcc+movzbl peephole2.
7273 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7275 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7276 * objc/objc-act.c: Include debug.h.
7277 (synth_module_prologue): Save and restore debug hooks too.
7279 2001-07-23 lars brinkhoff <lars@nocrew.org>
7281 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7282 and C4X_FLOAT_FORMAT.
7283 (BOOL_TYPE_SIZE): Document.
7285 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7287 * unroll.c (loop_iterations): Fix miscalculation of initial
7290 2001-07-13 Andrew Haley <aph@redhat.com>
7292 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7293 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7294 * config/sh/sh.c (sh_can_redirect_branch): New function.
7295 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7296 * reorg.c (steal_delay_list_from_target): Use
7297 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7299 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7301 * flow.c (try_simplify_condjump): Unlink insn chain on
7302 fallthru edge; use can_fallthru.
7304 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7306 * basic-block.h (find_sub_basic_block): Declare.
7307 * flow.c (make_edges): New arguments MIN and MAX;
7308 (find_sub_basic_blocks): Revamp to use make_edges
7309 and purge_dead_edges.
7310 (find_basic_blocks): Update call of find_sub_basic_block.
7312 * recog.c (split_all_insns): Always expect CFG to be consistent;
7313 call find_sub_basic_blocks in case something has changed.
7314 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7317 * basic-block.h (delete_noop_moves): Declare.
7318 * combine.c (combine_instructions): Call it.
7319 (recog_for_combine): Tolerate noop moves
7320 (distribute_notes): Force refresh when register dies at noop move.
7321 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7323 (life_analysis): Update delete_noop_moves call.
7324 (set_noop_p): Move too ...
7325 * rtlanal.c (noop_move_p): ... here.
7326 * rtl.h (noop_move_p): Declare.
7328 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7329 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7331 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7332 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7334 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7336 * reload.c (push_reload): Fix typo in comment.
7337 (find_reloads_address): Ditto.
7338 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7340 2001-07-22 Richard Henderson <rth@redhat.com>
7342 * flow.c: Grammar check and clarify a lot of comments.
7343 (try_simplify_condjump): Rename variables to be clearer.
7344 (try_forward_edges): Skip complex and fallthru edges.
7345 Rearrange tests to avoid duplicate checks.
7346 (flow_find_cross_jump): Likewise.
7347 (outgoing_edges_match): Allow match if neither branch has
7348 probability data. Loosen probability match to 5%.
7349 (try_crossjump_to_edge): Hoist repeated indirection into
7351 (try_crossjump_bb): Don't check complex edges. Eliminate
7352 redundant crossjump tests.
7353 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7354 checks before more expensive checks.
7356 2001-07-22 Richard Henderson <rth@redhat.com>
7358 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7359 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7362 2001-07-22 Richard Henderson <rth@redhat.com>
7364 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7365 (const_sint32_operand): Likewise.
7366 * m68k.md (anon mulsi pattern): Use const_int_operand not
7367 const_sint32_operand.
7368 (umulsi3_highpart): Zero extend a constant input.
7369 (smulsi3_highpart): Don't bother checking SImode constant.
7370 (const_umulsi3_highpart): Give op3 DImode.
7371 (const_smulsi3_highpart): Likewise.
7373 2001-07-22 Richard Henderson <rth@redhat.com>
7375 * flow.c (split_block): Make sure bb_note is included in the
7376 new block when splitting before a label.
7378 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7380 * basic-block.h (redirect_edge_and_branch_force,
7381 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7382 * flow.c (redirect_edge_and_branch_force,
7383 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7384 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7385 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7386 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7387 instead of label; update CFG after transformation.
7388 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7389 for finishing the transformation; handle even case where ELSE
7390 does not follow THEN.
7391 (find_if_case_2): Update call of dead_or_predictable; simplify
7394 * emit-rtl.c (split_branch_probability): New global variable.
7395 (try_split): Take care to set split_branch_probability and
7396 create REG_BR_PROB note for new jump insns.
7397 * md.texi (define_split): Document new feature.
7399 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7401 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7403 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7404 (asm_out_file): Remove redundant declaration.
7405 (assemble_asm): Remove old #if 0 block.
7406 (assemble_variable): Remove end of function; debug output is
7407 now handled with global_decl. Remove old #if 0 block. Update.
7408 Remove saved_in_section and associated no-op code.
7409 * Makefile.in (varasm.o): Correct dependencies.
7411 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7413 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7414 the definition in defaults.h.
7416 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7418 * jump.c: Update comments.
7419 (delete_barrier_successors, delete_unreferenced_labels,
7420 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7421 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7422 jump_optimize, jump_optimize_minimal): Kill.
7423 (rebuild_jump_labels): Move code from jump_optimize_1.
7424 (purge_line_number_notes): Likewise.
7425 (copy_loop_headers): Likewise.
7426 * reg-stack.c: Update comment.
7428 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7429 JUMP_AFTER_REGSCAN): Kill.
7430 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7431 purge_line_number_notes and copy_loop_headers.
7433 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7434 Richard Henderson <rth@redhat.com>
7436 * dbxout.c (dbxout_global_decl): New.
7437 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7438 * sdbout.c (sdbout_finish): New.
7439 (sdbout_debug_hooks): Use it, add comments.
7440 (sdbout_global_decl): Defer initialised public vars to
7442 * varasm.c (assemble_variable): Don't output debug information
7443 for file-scope variables.
7445 2001-07-22 Richard Henderson <rth@redhat.com>
7447 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7448 (get_round_mode_suffix): New.
7449 (print_operand): Use them for [/]. Remove support for [&'`()+].
7450 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7451 * config/alpha/alpha.md (attr round_suffix): New.
7452 (attr trap_suffix): New.
7453 (all insns): Set them appropriately. Use %/ instead of the
7456 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7458 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7460 2001-07-22 Richard Henderson <rth@redhat.com>
7462 * regrename.c (regrename_optimize): Compute nregs for each
7463 potential target register.
7465 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7466 Richard Henderson <rth@redhat.com>
7468 * dbxout.c (dbxout_global_decl): New.
7469 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7470 * sdbout.c (sdbout_finish): New.
7471 (sdbout_debug_hooks): Use it, add comments.
7472 (sdbout_global_decl): Defer initialised public vars to
7474 * varasm.c (assemble_variable): Don't output debug information
7475 for file-scope variables.
7477 2001-07-21 H.J. Lu (hjl@gnu.org)
7479 * config/mips/mips.c (mips_cpu): Moved into ...
7480 (override_options): Here.
7482 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7484 (mips_cpu): Removed.
7486 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7488 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7489 ("iorqi3"): Likewise.
7490 ("xorqi3"): Likewise.
7491 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7492 ("*subhi3_sp): Likewise.
7493 ("*subhi3"): Likewise.
7494 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7497 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7499 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7500 * config/freebsd.h: Likewise.
7501 * config/linux.h: Likewise.
7502 * config/openbsd.h: Likewise.
7503 * config/alpha/linux-elf.h: Likewise.
7504 * config/arm/linux-elf.h: Likewise.
7505 * config/d30v/d30v.h: Likewise.
7506 * config/fr30/fr30.h: Likewise.
7507 * config/ia64/aix.h: Likewise.
7508 * config/ia64/ia64.h: Likewise.
7509 * config/mips/linux.h: Likewise.
7510 * config/pj/pj.h: Likewise.
7511 * config/rs6000/linux.h: Likewise.
7512 * config/sparc/linux.h: Likewise.
7513 * config/sparc/linux64.h: Likewise.
7515 2001-07-20 Bruce Korb <bkorb@gnu.org>
7517 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7518 because getc() and char* may disagree on signedness.
7520 2001-07-20 Richard Henderson <rth@redhat.com>
7522 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7524 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7525 insns to delete in the presence of cc0 in a jump insn.
7527 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7528 Jan Hubicka <jh@suse.cz>
7530 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7531 of doing the change by hand.
7533 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7535 * rtlanal.c (set_noop_p): Return true for noop jumps.
7537 * expr.c (emit_single_push_insn): Add call to push expander.
7538 * expr.h (optab_index): Add OTI_push
7539 (push_optab): New constant.
7540 * genopinit.c (optabs): Add push_optab.
7541 * optabs.c (init_optab): Init push optab.
7542 * md.texi (push??1): Document
7544 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7546 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7547 expand to emit the pattern; put a REG_INC note for push/pop
7549 ("movdf", "movdf_internal"): Likewise.
7550 ("movsi", "movsi_internal"): Likewise.
7551 ("movsf", "movsf_internal"): Likewise.
7552 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7554 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7556 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7559 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7561 * params.def: Change default max inline insns to 100.
7563 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7565 * combine.c (combine_simplify_rtx): Generate a new shift operation
7566 when simplifying the first operand of a (neg (ashift)) expression.
7568 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7570 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7572 2001-07-20 Kelley Cook <kelley.cook@home.com>
7574 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7575 information. Move rest into ...
7576 (*-*-solaris): ... here. Eliminate redundant information and
7577 reword necessary packages section. Delete 4.x assembler bug info.
7578 (sparc-sun-*): Merge into ...
7579 (sparc-sun-sunos*): here.
7581 2001-07-20 Catherine Moore <clm@redhat.com>
7583 * config/v850/v850.md (casesi): Generate LABEL_REF
7586 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7588 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7589 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7590 * i386.md (strclrsi expander): Use it.
7592 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7594 * integrate.c (copy_insn_list): handle
7595 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7596 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7597 identically as to CODE_LABEL.
7599 * fold-const (fold): Convert A/B/C to A/(B*C) and
7602 * except.c (connect_post_landing_pads): Delete the RESX insns.
7604 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7606 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7608 * config/mips/mips.md (nmadd/nmsub): Use macro.
7610 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7612 * cppinit.c (remove_dup_dir): Make static.
7613 (remove_dup_dirs): Make static. Only warn about preempting a
7614 system directory with a non-system directory.
7616 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7618 * ifcvt.c (noce_try_store_flag_constants): Correct order
7619 of parameters to trunc_int_for_mode.
7621 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7623 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7624 an exception that will be caught within this function, do not fill
7625 its delay slot with any subsequent instruction.
7627 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7629 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7630 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7631 pointer extension instruction.
7632 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7633 * simplify-rtx.c (simplify_unary_operation) Likewise.
7634 * explow.c (convert_memory_address) Check value of
7635 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7637 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7638 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7639 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7640 Add Multilib Support.
7641 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7642 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7643 Add Multilib Support.
7644 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7646 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7647 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7648 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7650 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7652 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7653 old and new operands in `<', `3' and `b'.
7655 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7657 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7658 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7659 (toplev.o): Don't depend on xcoffout.h.
7660 * c-decl.c: Include debug.h
7661 (duplicate_decls): Use debug hook.
7662 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7663 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7664 (dbxout_types): Remove.
7665 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7666 * debug.c (do_nothing_debug_hooks): Update.
7667 (debug_true_tree, debug_nothing_rtx): New.
7668 * debug.h (struct rtx_def): New.
7669 (struct gcc_debug_hooks): New hooks ignore_block,
7670 outlining_inline_function and label.
7671 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7672 dwarf2out_frame_finish): New.
7673 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7674 Make static, update prototype.
7675 (dwarf2_debug_hooks): Update.
7676 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7677 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7678 * dwarfout.c (dwarf_debug_hooks): Update.
7679 * emit-rtl.c: Include debug.h.
7680 (remove_unnecessary_notes): Use debug hook.
7681 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7682 (final_scan_insn): Use debug hook.
7683 * integrate.c (output_inline_function): Use debug hook.
7684 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7685 (sdb_debug_hooks): Update.
7686 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7687 * toplev.c: Don't include xcoffout.h.
7688 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7689 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7691 * tree.h (dwarf2out_do_frame): Remove.
7693 2001-07-19 Catherine Moore <clm@cygnus.com>
7695 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7697 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7699 * reload1.c (eliminate_regs_in_insn): When updating a set
7700 to the frame pointer to the hardware frame pointer, perform
7701 the update always not just when REPLACE is set.
7703 * reload1.c (choose_reload_regs): Don't inherit a reload
7704 that crosses multiple registers if registers past the first
7705 don't fit in the desired class.
7707 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7708 when negating constants.
7710 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7712 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7713 * doc/tree.texi: Ditto.
7715 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7716 Jakub Jelinek <jakub@redhat.com>
7718 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7719 (extract_cie_info): Handle "eh" augmentation properly,
7721 (struct frame_state, __frame_state_for): New.
7723 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7725 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7726 HANDLE_SYSV_PRAGMA): Define.
7727 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7729 (copy_object): Caller changed.
7731 2001-07-19 Andreas Schwab <schwab@suse.de>
7733 * configure.in (assembler dwarf2 debug_line support): Define nop
7735 * configure: Regenerated.
7737 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7739 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7741 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7742 to conditionally compiled block.
7743 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7744 * dbxout.h (dbxout_function): Remove.
7745 * debug.c (do_nothing_debug_hooks): Update.
7746 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7747 global_decl, deferred_inline_function.
7748 * dwarf2out.c (dwarf2_debug_hooks): Update.
7749 (dwarf2out_global_decl): New.
7750 * dwarfout.c: Don't include dwarfout.h.
7751 (dwarfout_global_decl, dwarfout_function_decl,
7752 dwarfout_deferred_inline_function): New.
7753 (dwarf_debug_hooks): Update.
7754 * dwarfout.h: Remove.
7755 * final.c: Don't include dwarfout.h.
7756 * sdbout.c (sdbout_global_decl): New.
7757 (sdbout_debug_hooks): Update.
7758 * toplev.c: Don't include dwarfout.h.
7759 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7760 (note_deferral_of_defined_inline_function): Remove.
7761 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7762 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7763 * ch/lex.c: Don't include dwarfout.h.
7764 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7765 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7766 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7767 * cp/optimize.c: Include debug.h.
7768 (maybe_clone_body): Use debug hook.
7769 * cp/semantics.c: Include debug.h.
7770 (expand_body): Use debug hook.
7771 * po/POTFILES.in: Remove dwarfout.h.
7773 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7775 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7776 * c-parse.in (yyerror, _yylex): Similarly.
7777 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7778 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7780 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7781 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7783 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7785 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7786 in-class declaration at -g1. Fixes c++/2814.
7788 2001-07-18 Richard Henderson <rth@redhat.com>
7790 * doc/md.texi (reload_in/out): Document restrictions in predicates
7791 and constraints for these patterns. Document empty string matching
7794 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7796 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7798 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7800 * cse.c: Undo my previous patch.
7802 2001-07-18 Tom Tromey <tromey@redhat.com>
7805 * configure: Rebuilt.
7806 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7808 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7810 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7811 Jan Hubicka <jh@suse.cz>
7813 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7814 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7815 * jump.c (mark_jump_label): Do not forward branches.
7817 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7819 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7820 when return value is unused.
7822 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7824 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7826 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7828 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7829 on error. We can't blindly return the result of
7830 pthread_mutex_trylock because it returns a positive number on
7831 error, while we must return -1 on error.
7832 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7834 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7836 2001-07-18 Andreas Jaeger <aj@suse.de>
7838 * integrate.c (output_inline_function): Correct type of debug_hooks.
7840 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7842 * combine.c (combine_simplify_rtx): DIV can be treated
7843 associatively for floats if unsafe math optimisations are enabled.
7845 2001-07-17 Richard Henderson <rth@redhat.com>
7847 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7849 2001-07-17 Richard Henderson <rth@redhat.com>
7851 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7852 don't force the function address into a register.
7853 (expand_call, emit_library_call_value_1): Update callers.
7854 * builtins.c (expand_builtin_apply): Likewise.
7855 * expr.h (prepare_call_address): Update decl.
7857 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7859 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7861 * config/i386/chorus.h: Move up.
7862 * config/sparc/chorus.h: Likewise.
7863 * config/rs6000/chorus.h: Likewise.
7864 * config/chorus.h: Moved here.
7866 2001-07-17 Andreas Schwab <schwab@suse.de>
7868 * configure.in (assembler eh_frame optimization): Handle big
7870 * configure: Regenerated.
7872 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7874 * expr.c (epxand_expr): Convert divisions into multiplications by
7875 reciprocals if -ffast-math.
7877 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7879 * dbxout.c (dbxout_really_begin_function): Rename to
7880 dbxout_begin_function.
7881 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7882 (dbxout_begin_function): Remove.
7883 (dbxout_function): Update.
7884 (dbxout_source_line): Update prototype.
7885 * dbxout.h (dbxout_begin_function): Remove.
7886 * debug.c (do_nothing_debug_hooks): Update.
7887 (debug_nothing_tree): Update.
7888 (debug_nothing_charstar_rtx): Remove.
7889 * debug.h (union tree_node): Declare.
7890 (struct rtx_def): Remove.
7891 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7892 begin_function. Change source_line prototype.
7893 (debug_nothing_tree): New.
7894 (debug_nothing_charstar_rtx): Delete.
7895 (dwarf2out_begin_prologue): Moved from ...
7897 * dwarf2out.c (dwarf2_debug_hooks): Update.
7898 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7899 debug info, call dwarf2out_source_line.
7900 (dwarf2out_souce_line): Update prototype.
7901 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7902 Change prototype, make static.
7903 (dwarfout_source_line): Update prototype.
7904 (dwarf_debug_hooks): Update.
7905 * dwarfout.h (dwarfout_begin_function): Remove.
7906 * final.c (final_start_function, final_scan_insn): Use appropriate
7907 debug hooks, update to use notice_source_line.
7908 (output_source_line): Rename notice_source_line. Don't call the
7909 source_line debug hook.
7910 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7911 make static, update prototype.
7912 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7914 (sdbout_end_prologue): New.
7915 (sdbout_source_line): Update prototype.
7916 (sdbout_debug_hooks): Update.
7917 (sdbout_symbol): Remove unused var.
7918 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7920 * varasm.c: Include debug.h.
7921 (assemble_start_function): Use begin_function debug_hook.
7922 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7923 update with prototype.
7924 (xcoffout_source_line): Update prototype.
7925 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7927 (xcoffout_source_line): Update prototype.
7929 2001-07-17 Richard Henderson <rth@redhat.com>
7931 * c-typeck.c (build_binary_op): Do not shorten unsigned
7932 right shift after sign extension.
7934 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7936 * combine.c (combine_simplify_rtx): Attempt to simplify
7937 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7939 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7940 (simplify_binary_operation, simplify_unary_operation,
7941 simplify_relational_operation): Use it.
7943 * combine.c (combine_simplify_rtx): Don't do associative law
7944 on divisions; allow associative law on floats.
7946 2001-07-17 H.J. Lu <hjl@gnu.org>
7947 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7949 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7950 ASM_OUTPUT_WEAK_ALIAS are defined.
7951 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7952 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7954 * config/mips/iris5.h: ... here.
7955 (HANDLE_SYSV_PRAGMA): Defined as 1.
7956 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7957 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7960 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7962 * c-parse.in (all_prefix_attributes): New variable.
7963 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7964 (maybe_resetattrs): New production.
7965 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7966 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7967 notype_initdcl, nested_function, notype_nested_function,
7968 component_decl, components, components_notype,
7969 component_declarator, component_notype_declarator,
7970 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7971 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7972 after a comma being applied to more than one declarator.
7973 * doc/extend.texi (Attribute Syntax): Update. Remove
7974 documentation of bugs that are no longer present.
7976 2001-07-13 Eric Christopher <echristo@redhat.com>
7978 * config/mips/mips.h: Change TUNE_MIPS* options to use
7980 (EXTRA_SPECS): Add cc1_cpu_spec.
7981 * config/mips/mips.md (muldf3): Fix typo.
7983 2001-07-16 Richard Henderson <rth@redhat.com>
7985 * config/m68k/m68k.c: Include expr.h and reload.h.
7986 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7987 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7989 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7990 Richard Henderson <rth@redhat.com>
7992 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7993 (insn_live_p): Fix fall off end of function.
7994 (dead_libcall_p): Remove COUNTS argument; update callers.
7995 (delete_trivially_dead_insns): Remove unused variables.
7997 2001-07-17 Andreas Jaeger <aj@suse.de>
7999 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
8002 * lcm.c (optimize_mode_switching): Avoid warning for unused
8003 variable if !NORMAL_MODE.
8005 * flow.c (try_crossjump_to_edge): Remove unused variable.
8007 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
8009 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
8010 atexit declaration in stdlib.h.
8012 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
8014 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
8016 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8018 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
8019 * except.c (finish_eh_generation): Update call of cleanup_cfg;
8020 do rebuild_jump_labels instead of jump_optimize
8021 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
8022 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
8023 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
8025 * flow.c: Include timevar.h
8026 (find_basic_block): Push/pop timevar;
8027 (cleanup_cfg): Likewise.
8028 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
8029 * Makefile: Add dependencies on timevar.h
8031 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8032 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8034 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8035 * toplev.c (rest_of_compilation): Update calls.
8036 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8037 (delete_trivially_dead_insns): ... here; accept new argument
8038 preserve_basic_blocks; preserve basic blocks if set.
8040 * reg-stack.c (stack_regs_mentioned): Return 0 if
8041 stack_regs_mentioned_data is not initialized.
8042 (reg_to_stack): Make stack_regs_mentioned survive after the
8043 reg-stack is completted; do not call cleanup_cfg.
8044 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8045 make cleanup_cfg after bb-reorder to output to debug file.
8047 2001-07-16 Richard Henderson <rth@redhat.com>
8049 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8050 from int_reg_class_contents.
8052 2001-07-16 Richard Henderson <rth@redhat.com>
8054 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8055 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8056 (init_reg_sets_1): Move initialization from cse_main.
8057 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8058 (cse_main): Move its initialization also.
8059 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8060 * flow.c (propagate_one_insn): Likewise.
8061 * gcse.c (compute_hash_table): Likewise.
8062 (compute_kill_rd, compute_store_table): Likewise.
8063 * sched-deps.c (sched_analyze_1): Likewise.
8065 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8067 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8070 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8072 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8073 in if statement so we don't access undefined memory.
8075 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8077 * gcse.c: Update comment at top.
8078 Update comment on mem handling.
8079 mem_last_set, mem_first_set, mem_set_in_block: gone.
8080 Declaration of reg_set_info: gone.
8081 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8082 pointless with load_killed_in_block_p (they are *more*
8083 conservative then it, not less, and less accurate).
8084 (oprs_not_set_p): Ditto.
8085 (alloc_gcse_mem): Don't allocate mem_set_in_block
8086 (free_gcse_mem): Don't free it, either.
8087 (record_last_mem_set_info): Update comment in front, remove
8088 mem_*set_* stuff. Note the reason we don't handle stores directly
8090 (compute_hash_table): Update comments to reflect reality. Remove
8091 mem_*set_* references.
8092 (reset_opr_set_tables): Remove mem_*set_* references.
8094 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8095 (mark_clobber): Ditto (on both parts, we double set here too).
8096 (expr_killed_p): Remove mem_set_in_block test.
8097 (compute_transp): Remove mem_set_in_block test.
8099 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8100 of edge, and removal of phi alternative to dump file.
8101 (ssa_ccp_substitute_constants): Add note about register now being
8102 constant, and which uses were replaced in what insns to dump file.
8104 2001-07-16 Andreas Jaeger <aj@suse.de>
8106 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8107 variables of type HOST_WIDEST_INT.
8109 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8110 (__bb_exit_func): Correct type of count_max to avoid overflow.
8111 (num_digits): Handle long long argument.
8113 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8115 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8117 * output.h (sdb_begin_function_line): Restore as an extern
8119 * sdbout.c (sdb_begin_function_line): Make extern.
8121 2001-07-15 Richard Henderson <rth@redhat.com>
8123 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8124 * genrecog.c (maybe_both_true_mode): New.
8125 (maybe_both_true_2): Use it.
8126 (write_switch): Don't put Pmode in a switch.
8127 * rtl.c (mode arrays): Don't explicitly size them.
8129 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8131 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8132 handling; move unconditional splitting before mode switching.
8134 * i386.md (type): Add fistp type.
8135 (i387, length_attr, scheduling definitions): Handle this type.
8136 (fix_trunc?f?i2): Revamp to use mode switching.
8137 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8138 * i386.h (fp_cw_mode): New enum
8139 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8140 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8142 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8144 * Makefile.in (integrate.o): Add debug.h.
8145 * integrate.c (debug.h): Add.
8146 (output_inline_function): Save, reset, and restore debug_hooks.
8148 2001-07-15 Richard Henderson <rth@redhat.com>
8150 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8151 instead of COMPARE for the EQUIV expression.
8153 2001-07-15 Richard Henderson <rth@redhat.com>
8155 * flow.c (redirect_edge_and_branch_force): Initialize
8156 global_live_at_start and global_live_at_end.
8157 (allocate_bb_life_data): Export.
8158 * basic-block.h (allocate_bb_life_data): Declare.
8159 * toplev.c (rest_of_compilation): Call it.
8161 2001-07-15 Richard Henderson <rth@redhat.com>
8163 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8164 (alpha_tablejump_best_label): New.
8165 * config/alpha/alpha-protos.h: Declare them.
8166 * config/alpha/alpha.md: Use braced strings for code blocks.
8167 (tablejump_osf): Break out add with r29.
8168 (tablejump_osf_internal): Remove.
8169 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8170 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8172 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8174 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8177 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8179 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8180 (ix86_fp_jump_nontrivial_p): New.
8181 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8182 use ix86_fp_jump_nontrivial_p.
8183 * i386.c (ix86_fp_jump_nontrivial_p): New.
8184 (ix86_split_fp_branch): Accept code instead of rtx.
8185 (ix86_expand_compare): Expand comparison early in case
8186 doing so is resonably cheap.
8188 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8190 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8192 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8193 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8195 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8197 * dbxout.c (dbxout_source_line): Make static, update prototype.
8198 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8199 (dbxout_init, dbxout_finish, dbxout_source_line,
8200 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8201 * dbxout.h (dbxout_source_line): Delete.
8202 * debug.c (debug_nothing_file, debug_nothing_file_int,
8203 debug_nothing_file_charstar_rtx): New.
8204 (do_nothing_debug_hooks): Update.
8205 (debug_nothing_void, debug_nothing_charstar_rtx,
8206 dwarf2out_end_epilogue): New.
8207 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8208 * debug.h (struct rtx_def): Declare.
8209 (gcc_debug_hooks): New hooks source_line, end_epilogue
8211 (debug_nothing_void, debug_nothing_charstar_rtx,
8212 dwarf2out_end_epilogue): New.
8213 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8214 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8215 (dwarf2_debug_hooks): Update.
8216 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8217 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8218 * dwarf2out.h (dwarf2out_source_line): Remove.
8219 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8220 Make static, update prototype.
8221 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8222 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8223 (dwarf_debug_hooks): Update.
8224 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8225 dwarfout_end_function): Remove.
8226 * final.c (profile_function): Use debug hooks for ending functions
8228 (output_source_line, final_end_function): Update prototype,
8230 (final_start_function, final_scan_insn): Update.
8231 * output.h (sdb_begin_function_line): Remove.
8232 (final_end_function): Update prototype.
8233 * sdbout.c (sdb_begin_function_line): Make static.
8234 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8235 (sdbout_source_line): New.
8236 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8238 (sdb_debug_hooks): Update.
8239 (sdbout_init, sdbout_source_line,
8240 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8241 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8242 * toplev.c (compile_file, rest_of_compilation): Update.
8243 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8244 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8245 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8246 Update for prototype changes.
8247 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8248 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8250 2001-07-15 Richard Henderson <rth@redhat.com>
8252 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8253 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8254 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8255 * config/alpha/alpha.c: Likewise.
8256 * config/alpha/alpha.md: Likewise.
8257 * config/alpha/alpha32.h: Likewise.
8258 * config/alpha/vms.h: Likewise.
8261 2001-07-14 Richard Henderson <rth@redhat.com>
8263 * config/alpha/alpha.md: Use define_constants for unspec values.
8264 Substitute throughout.
8266 2001-07-14 Tim Josling <tej@melbpc.org.au>
8268 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8270 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8272 * pa.md: Remove unused constraints from define_split's.
8274 2001-04-14 Richard Henderson <rth@redhat.com>
8276 * ifcvt.c (find_cond_trap): Test for exit block.
8278 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8280 Re-install recently reverted patch.
8281 * emit-rtl.c (try_split): Update mark_jump_label call.
8282 * flow.c (find_sub_basic_blocks): Likewise.
8283 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8285 (mark_all_labels): Kill second parameter.
8286 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8287 (rebuild_jump_labels, jump_optimize_minimal): Update call
8289 (jump_optimize_1): Kill crossjumping code.
8290 (mark_jump_label): Kill cross_jump parameter.
8291 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8292 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8293 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8295 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8297 (dump_file_info): Likewise.
8298 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8299 reorganize passes to do reg-stack first, bb-reorder second.
8300 * invoke.texi (-d letters doc): Remove the jump2 pass.
8302 2001-07-14 Richard Henderson <rth@redhat.com>
8304 * ifcvt.c (find_cond_trap): New.
8305 (find_if_header): Call it.
8306 (merge_if_block): Relax existing jump sanity check.
8307 * jump.c (jump_optimize_1): Remove conditional trap handling.
8309 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8311 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8313 (insn_refs_are_delayed): Correct comment.
8314 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8315 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8316 instead of r31. Make associated insn !TARGET_64BIT, and
8317 provide an additional 64-bit insn that clobbers r2.
8319 (udivsi3): Likewise.
8321 (umodsi3): Likewise.
8323 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8325 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8327 * flow.c (redirect_edge_and_branch_force, split_edge,
8328 try_crossjump_to_edge): Use set_block_for_new_insns.
8329 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8331 2001-07-13 H.J. Lu (hjl@gnu.org)
8333 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8336 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8338 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8340 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8342 * c-common.c (decl_attributes): Take a pointer to the node to
8343 which attributes are to be attached, and a flags argument.
8344 * c-common.h (enum attribute_flags): New.
8345 (decl_attributes): Update prototype.
8346 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8347 finish_enum, start_function): Update calls to decl_attributes.
8348 * c-parse.in (component_declarator, component_notype_declarator,
8349 label): Update calls to decl_attributes.
8351 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8353 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8354 * config/avr/avr.c (legitimate_address_p): Return value changed
8355 from letter to register classes. For better debugging.
8357 2001-07-13 Kazu Hirata <kazu@hxi.com>
8359 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8361 2001-07-13 H.J. Lu (hjl@gnu.org)
8363 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8365 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8367 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8368 correctly for shared configurations.
8369 * config/t-libgcc-pic: New.
8370 * config/{i386,m68k,sparc}/t-openbsd: New.
8371 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8372 Support -shared. Support debugging libraries with -g.
8373 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8374 frame information does not emit pointer diffs.
8375 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8378 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8380 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8382 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8384 * combine.c (try_combine): Ensure const_int pow2 is positive.
8386 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8388 * config.gcc: Add configuration for s/390.
8389 * config/s390/s390.c: New. Subroutines for code generation.
8390 * config/s390/s390.h: New. Definitions for s/390.
8391 * config/s390/s390-protos.h: New. Prototypes.
8392 * config/s390/linux.h: New. Definitions for linux for s/390.
8393 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8394 * config/s390/t-linux: New. Makefile fragment.
8395 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8396 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8398 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8400 * emit-rtl.c (try_split): Update mark_jump_label call.
8401 * flow.c (find_sub_basic_blocks): Likewise.
8402 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8404 (mark_all_labels): Kill second parameter.
8405 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8406 (rebuild_jump_labels, jump_optimize_minimal): Update call
8408 (jump_optimize_1): Kill crossjumping code.
8409 (mark_jump_label): Kill cross_jump parameter.
8410 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8411 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8412 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8414 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8416 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8417 reorganize passes to do reg-stack first, bb-reorder second.
8418 * invoke.texi (-d letters doc): Remove the jump2 pass.
8420 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8422 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8424 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8426 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8428 (verify_flow_info): Make diagnostics prettier.
8430 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8432 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8434 * flow.c (outgoing_edges_match): Return early if condition reversal
8437 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8439 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8440 (mips_move_2words): When splitting a move into two instructions,
8441 prefix the second address operand with '%D'.
8443 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8445 * Makefile.in (final.o): Depend on debug.h.
8446 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8447 (dbx_debug_hooks): Add new hooks.
8448 (xcoff_debug_hooks): New.
8449 * debug.c (debug_nothing_file_int_int): New.
8450 (do_nothing_debug_hooks): Update.
8451 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8452 (debug_nothing_file_int_int): New.
8453 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8454 static, update prototype.
8455 (dwarf2_debug_hooks): Update.
8456 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8457 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8458 static, update prototype.
8459 (dwarf_debug_hooks): Update.
8460 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8461 * final.c: Include debug.h.
8462 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8463 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8464 static, update prototype.
8465 (sdb_debug_hooks): Update.
8466 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8467 * toplev.c: Distinguish between xcoff and dbx.
8469 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8470 Call all debug hooks, not just dwarf ones.
8472 2001-07-11 Timothy Wall <twall@redhat.com>
8474 * config.gcc: Add configuration for AIX5/IA64.
8475 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8476 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8477 support prefix/suffix code.
8478 * config/ia64/t-aix: New. Makefile fragment.
8479 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8481 2001-07-11 Kazu Hirata <kazu@hxi.com>
8483 * recog.c (validate_change): Fix a comment typo.
8485 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8487 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8488 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8490 * dbxout.c (dbx_debug_hooks): Add new hooks.
8491 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8493 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8495 * dbxout.h (dbxout_start_new_source_file,
8496 dbxout_resume_previous_source_file): Delete.
8497 * debug.c (do_nothing_debug_hooks): Add new hooks.
8498 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8499 (debug_nothing_int_charstar, debug_nothing_int): New.
8500 * debug.h (gcc_debug_hooks): New hooks define, undef,
8501 start_source_file and end_source_file.
8502 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8503 (debug_nothing_int_charstar, debug_nothing_int): New.
8504 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8505 the conditionally compiled section.
8506 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8507 dwarf2out_define, dwarf2out_undef): Make static.
8508 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8509 dwarf2out_define, dwarf2out_undef): Remove.
8510 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8511 (dwarfout_start_source_file, dwarfout_end_source_file,
8512 dwarfout_define, dwarfout_undef): Make static.
8513 (dwarfout_start_source_file_check,
8514 dwarfout_end_source_file_check): New.
8515 (dwarfout_define, dwarfout_finish): Update.
8516 * dwarfout.h (dwarfout_start_new_source_file,
8517 dwarfout_resume_previous_source_file, dwarfout_define,
8518 dwarfout_undef): Remove.
8519 * sdbout.c (sdb_debug_hooks): Add new hooks.
8520 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8522 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8523 make static, take an arg.
8524 * sdbout.h (sdbout_start_new_source_file,
8525 sdbout_resume_previous_source_file): Delete.
8526 * toplev.c (debug_start_source_file, debug_end_source_file,
8527 debug_define, debug_undef): Delete.
8528 * toplev.h (debug_start_source_file, debug_end_source_file,
8529 debug_define, debug_undef): Delete.
8531 * java/jcf-parse.c: Include debug.h.
8532 (parse_class_file): Update to use debug hooks directly.
8533 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8535 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8537 * alias.c (set_mem_alias_set): New function.
8538 * rtl.h (set_mem_alias_set): Declare it.
8539 * builtins.c (expand_builtin_return_addr): Call it instead of
8540 using MEM_ALIAS_SET accessor.
8541 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8542 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8543 (expand_builtin_va_copy):Likewise.
8544 * caller-save.c (setup_save_areas): Likewise.
8545 * calls.c (compute_argument_addresses): Likewise.
8546 * explow.c (set_mem_attributes): Likewise.
8547 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8548 (expand_assignment, store_constructor_field, store_field): Likewise.
8549 (expand_expr_unaligned): Likewise.
8550 * function.c (assign_stack_temp_for_type): Likewise.
8551 (put_reg_into_stack, gen_mem_addressof): Likewise.
8552 * ifcvt.c (noce_try_cmove_arith): Likewise.
8553 * reload1.c (reload, alter_reg): Likewise.
8554 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8555 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8556 (alpha_expand_unaligned_store): Likewise
8557 (alpha_expand_unaligned_load_words): Likewise.
8558 (alpha_expand_unaligned_store_words): Likewise.
8559 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8560 (alpha_expand_epilogue): Likewise.
8561 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8562 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8563 * config/i386/i386.c (legitimize_pic_address): Likewise.
8564 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8565 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8566 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8567 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8568 * config/mips/mips.c (mips_va_arg): Likewise.
8569 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8570 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8571 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8572 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8573 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8574 (rs6000_emit_epilogue): Likewise.
8575 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8576 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8577 * config/v850/v850.c (v850_va_arg): Likewise.
8579 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8581 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8582 when fallthru edge is present.
8583 (mege_blocks): Handle case where creation of jump insn
8586 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8587 CLEANUP_POST_REGSTACK): New constants.
8588 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8589 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8590 * output.h (cleanup_cfg): Update prototype.
8591 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8592 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8593 cleanup_cfg call; kill missleading comment.
8594 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8595 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8596 parameter; control optimizations performed using it.
8597 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8598 try_crossjump_bb): New functions.
8600 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8602 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8604 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8605 pa_output_function_prologue.
8606 * pa-protos.h (pa_output_function_prologue): New prototype.
8608 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8610 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8611 and low to get correct sign extension in low+high test.
8613 2001-07-11 Janis Johnson <janis@us.ibm.com>
8615 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8616 for large hit count.
8618 * profile.c (branch_prob): Fix .bbg info for computed gotos
8621 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8623 * stmt.c (parse_output_constraint): New function, split out
8625 (expand_asm_operands): ... here. Use parse_output_constraint.
8626 * tree.h (parse_output_constraint): Declare it.
8628 2001-07-11 Richard Henderson <rth@redhat.com>
8630 * bitmap.c: Comment some functions; fiddle whitespace.
8631 (bitmap_free): Don't export.
8632 (bitmap_element_allocate): Use memset.
8633 * bitmap.h (bitmap_free): Don't declare.
8635 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8637 * gcse.c, lcm.c, sched-deps.c:
8638 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8640 * flow.c (flow_loops_find): Free dom if we found no loops, since
8641 we aren't going to save it.
8643 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8646 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8648 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8650 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8652 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8653 #ifndef DWARF2_DEBUGGING_INFO.
8655 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8657 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8659 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8661 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8662 reverse a branch if a NE comparison is implemented with GTU.
8664 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8665 H.J. Lu <hjl@gnu.org>
8667 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8669 (call_internal2): Likewise.
8670 (call_value_internal1): Likewise.
8671 (call_value_internal2): Likewise.
8672 (call_value_multiple_internal1): Likewise.
8673 (call_value_multiple_internal2): Likewise.
8675 2001-07-10 Kazu Hirata <kazu@hxi.com>
8677 * calls.c (emit_library_call_value_1): Fix a comment typo.
8678 * dwarf2out.c (mem_loc_descriptor): Likewise.
8679 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8681 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8683 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8685 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8687 * recog.c (offsettable_address_p): Handle LO_SUM case.
8688 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8689 instead of plus_constant.
8691 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8693 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8694 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8696 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8698 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8699 adjust_address_nv instead of plus_constant.
8701 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8703 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8704 dwarf2out.o): Depend on debug.h, wrap long lines.
8705 * dbxout.c: Include debug.h.
8706 (dbx_debug_hooks): New.
8707 (dbxout_init): Make static, take just 2 args.
8708 (dbxout_finish): Make static.
8709 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8710 * debug.c: New file.
8711 * debug.h: New file.
8712 * dwarf2out.c: Include debug.h.
8713 (dwarf2_debug_hooks): New.
8714 (dwarf2out_init): Make static.
8715 (dwarf2out_finish): Make static, take 2 args.
8716 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8717 * dwarfout.c: Include debug.h.
8718 (dwarf_debug_hooks): New.
8719 (dwarfout_init): Make static.
8720 (dwarfout_finish): Make static, take 2 args.
8721 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8722 * sdbout.c: Include debug.h.
8723 (sdb_debug_hooks): New.
8724 (sdbout_init): Make static, take 2 args.
8725 * sdbout.h (sdbout_init): Delete.
8726 * toplev.c: Include debug.h.
8728 (compile_file): Set deubg_hooks based on command line options.
8729 Use the hooks unconditionally rather than conditional compilation.
8731 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8733 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8734 first_insn_after_basic_block_note instead.
8736 * df.c (df_bb_refs_unlink): #if 0 out for now.
8738 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8740 * ssa.h: Add prototype for ssa_const_prop
8741 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8742 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8743 (ssa_fast_dce): Remove unused variable
8745 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8747 * diagnostic.c (finish_diagnostic): Rename to
8748 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8751 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8753 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8756 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8757 (dump_file): Only pad the demangled name with spaces if the
8758 mangled name was padded with spaces.
8760 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8762 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8765 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8767 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8768 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8771 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8772 whether can put offset inside LO_SUM to check mode alignment, not size.
8774 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8776 * doc/tm.texi (Misc): Fix thinko.
8778 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8780 * regmove.c (replace_in_call_usage): Fix warnings.
8781 * sched-deps.c (add_dependence): Fix warnings.
8782 * simplify-rtx.c (simplify_subreg): Likewise.
8783 Return NULL_RTX instead of NULL.
8785 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8786 (subst_asm_stack_regs): Likewise.
8788 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8791 * dwarf2out.c (output_call_frame_info): Declare i as int.
8792 (build_abbrev_table): Declare n_alloc as int.
8793 (dwarf2out_finish): Initialize die.
8794 * except.c: Declare sjlj_funcdef_number as unsigned.
8795 (connect_post_landing_pads): Declare j as unsigned.
8796 (convert_to_eh_region_ranges): Initialize call_site.
8797 (output_function_exception_table): Initialize tt_format_size.
8798 * expr.c (move_by_pieces_1): Initialize to1.
8799 (store_constructor): Initialize minelt and maxelt.
8800 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8801 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8803 * c-decl.c (combine_parm_decls): Unused, remove.
8804 * c-tree.h: Remove prototype for combine_parm_decls.
8806 * reload.c (push_reload): Fix warning.
8807 (regno_clobbered_p): Likewise.
8808 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8809 (reload_combine): Likewise.
8811 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8812 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8814 * bitmap.c (bitmap_operation): Change user.
8815 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8817 2001-07-10 Eric Christopher <echristo@redhat.com>
8819 * config/mips/mips.c (override_options): Fix typo.
8821 2001-07-09 Stan Shebs <shebs@apple.com>
8823 * target.h (struct gcc_target): New fields init_builtins and
8825 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8826 (TARGET_EXPAND_BUILTIN): New macro.
8827 (TARGET_INITIALIZER): Add them.
8828 * builtins.c: Include target.h.
8829 (expand_builtin): Use targetm.expand_builtin.
8830 (default_init_builtins): New function.
8831 (default_expand_builtin): New function.
8832 * expr.h (default_init_builtins): Declare.
8833 (default_expand_builtin): Declare.
8834 * c-common.c (c_common_nodes_and_builtins): Use
8835 targetm.init_builtins.
8836 * defaults.h (MD_INIT_BUILTINS): Remove.
8837 * Makefile.in (builtins.o): Depend on target.h.
8839 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8840 (TARGET_EXPAND_BUILTIN): Define.
8841 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8842 (MD_EXPAND_BUILTIN): Remove.
8844 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8845 (TARGET_EXPAND_BUILTIN): Define.
8846 (c4x_init_builtins): Make endlink arg a local.
8847 (c4x_print_operand): Fix typos in adjust_address usages.
8848 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8849 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8850 (MD_EXPAND_BUILTIN): Remove.
8852 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8853 (TARGET_EXPAND_BUILTIN): Define.
8854 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8855 (ix86_init_builtins): Call new function only if TARGET_MMX.
8856 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8857 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8858 (MD_EXPAND_BUILTIN): Remove.
8860 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8861 (TARGET_EXPAND_BUILTIN): Define.
8862 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8863 (MD_EXPAND_BUILTIN): Remove.
8865 * doc/tm.texi: Document these changes.
8867 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8869 * basic-block.h (tree_node): Forward declare if needed.
8870 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8871 (BLOCK_HEAD_TREE): Define.
8872 (BLOCK_END_TREE): Define.
8873 (struct loops): Rename field 'tree' to 'tree_root'.
8874 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8876 (flow_loops_tree_build): Rename reference to field 'tree' to
8878 (flow_loops_level_compute): Ditto.
8879 * predict.c (estimate_bb_frequencies): Ditto.
8880 * tree.h (struct tree_common): Add field 'aux'.
8882 2001-07-09 Stan Shebs <shebs@apple.com>
8884 * config/darwin.c (darwin_encode_section_info): Don't mark any
8885 DECL_EXTERNAL node as defined.
8887 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8889 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8890 pa_free_machine_status, hppa_init_pic_save): Delete.
8891 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8892 (hppa_profile_hook): Use hppa_pic_save_rtx.
8893 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8894 hppa_init_pic_save): Delete.
8895 (hppa_pic_save_rtx): Declare.
8896 * pa.md (call, call_value, sibcall, sibcall_value,
8897 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8899 2001-07-09 Kazu Hirata <kazu@hxi.com>
8901 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8902 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8904 2001-07-09 Andreas Jaeger <aj@suse.de>
8906 * output.h: Add declaration of final_forward_branch_p.
8908 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8910 * varray.c: Include errors.h for internal_error and trim_filename
8913 * Makefile.in (varray.o): Add errors.h.
8915 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8917 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8918 * optabs.c (have_add2_insn): Check whether the add insn chosen
8919 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8920 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8922 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8924 * Makefile.in (OBJS): Add ssa-ccp.o
8925 (ssa-ccp.o): Add dependencies.
8926 * toplev.c (DFI_ssa_ccp): New dump file enum.
8927 (dump_file): Add entry for dumping after SSA CCP.
8928 (flag_ssa_ccp): New flag variable.
8929 (f_options): Add -fssa-ccp.
8930 (rest_of_compilation): Run SSA CCP if requested.
8931 * timevar.def (TV_SSA_CCP): New timevar.
8932 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8933 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8934 Fix minor typo in SSA DCE documentation.
8935 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8936 Add documentation for new dump option. Renumber dump files
8939 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8941 * emit-rtl.c (gen_highpart_mode): New.
8942 * rtl.h (gen_highpart_mode): Declare.
8943 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8944 operand can be VOIDmode constant.
8946 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8948 * flow.c (redirect_edge_and_branch_force): New.
8949 (can_fallthru): Ensure that basic blocks are succeeding.
8950 (try_optimize_cfg): Do not delete basic block if it is the last one.
8952 * flow.c (try_redirect_by_replacing_jump): Do not remove
8953 jumps with side effects, unlink chain on fallthru edge;
8954 set block for new jump instruction; avoid basic block to
8955 over by line number note.
8957 * flow.c (try_simplify_condjump): Verify that the condjump
8958 is not always falling trought.
8961 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8963 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8964 (try_redirect_by_replacing_jump): Update properly the count
8965 and frequency information.
8967 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8969 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8970 address that is a LO_SUM specially.
8971 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8973 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8975 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8976 (operand_subword): Use them.
8977 (change_address_1): Renamed from change_address; new arg VALIDATE.
8978 * expr.h: Reflect above changes; change_address now macro.
8979 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8981 * cselib.c (add_mem_for_addr): Likewise.
8982 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8983 * regmove.c (try_apply_stack_adjustment): Likewise.
8984 * reload.c (push_reload, make_memloc): Likewise.
8985 * reload1.c (eliminate_regs): Likewise.
8986 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8987 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8989 * combine.c (make_extraction, simplify_shift_const): Likewise.
8990 (gen_lowpart_for_combine): Likewise.
8991 * cse.c (gen_lowpart_if_possible): Likewise.
8992 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8993 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8994 * optabs.c (gen_move_insn): Likewise.
8995 * reload1.c (alter_reg): Likewise.
8996 * simplify-rtx.c (simplify_subreg): Likewise.
8997 * stmt.c (expand_anon_union_decl): Likewise.
8998 * recog.c (validate_replace_rtx_1): Likewise.
9000 * Makefile.in (recog.o): Add $(EXPR_H).
9001 * explow.c (stabilize): Call replace_equiv_address.
9002 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
9003 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
9005 2001-07-03 Andrew Haley <aph@redhat.com>
9007 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
9008 the mode of the memory location.
9010 2001-07-09 Bo Thorsen <bo@suse.co.uk>
9012 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
9014 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
9016 * final.c (output_addr_const): Use target opening and
9017 closing parentheses.
9018 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
9019 defaults, add to TARGET_ASM_OUT.
9020 * target.h (struct gcc_target): Add open_paren and close_paren.
9021 * doc/md.texi: Update.
9022 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
9023 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
9024 TARGET_ASM_CLOSE_PAREN.
9025 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9027 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9029 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9030 * config/a29k/a29k.h: Similarly.
9031 * config/alpha/alpha.h: Similarly.
9032 * config/arc/arc.h: Similarly.
9033 * config/arm/aof.h: Similarly.
9034 * config/arm/aout.h: Similarly.
9035 * config/avr/avr.h: Similarly.
9036 * config/c4x/c4x.h: Similarly.
9037 * config/clipper/clipper.h: Similarly.
9038 * config/convex/convex.h: Similarly.
9039 * config/d30v/d30v.h: Similarly.
9040 * config/dsp16xx/dsp16xx.h: Similarly.
9041 * config/elxsi/elxsi.h: Similarly.
9042 * config/fr30/fr30.h: Similarly.
9043 * config/h8300/h8300.h: Similarly.
9044 * config/i370/i370.h: Similarly.
9045 * config/i386/i386.h: Similarly.
9046 * config/i860/i860.h: Similarly.
9047 * config/i960/i960.h: Similarly.
9048 * config/ia64/ia64.h: Similarly.
9049 * config/m32r/m32r.h: Similarly.
9050 * config/m68hc11/m68hc11.h: Similarly.
9051 * config/m68k/m68k.h: Similarly.
9052 * config/m88k/m88k.h: Similarly.
9053 * config/mcore/mcore.h: Similarly.
9054 * config/mips/mips.h: Similarly.
9055 * config/mn10200/mn10200.h: Similarly.
9056 * config/mn10300/mn10300.h: Similarly.
9057 * config/ns32k/ns32k.h: Similarly.
9058 * config/pa/pa.h: Similarly.
9059 * config/pdp11/pdp11.h: Similarly.
9060 * config/pj/pj.h: Similarly.
9061 * config/romp/romp.h: Similarly.
9062 * config/rs6000/rs6000.h: Similarly.
9063 * config/sh/sh.h: Similarly.
9064 * config/sparc/sparc.h: Similarly.
9065 * config/v850/v850.h: Similarly.
9066 * config/vax/vax.h: Similarly.
9067 * config/we32k/we32k.h: Similarly.
9069 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9071 * doc/c-tree.texi: Document representation of attributes.
9073 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9075 * doc/tm.texi: Update some places for the rename of target to
9078 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9080 * target.h (struct gcc_target): Add insert_attributes.
9081 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9082 (TARGET_INITIALIZER): Update.
9083 * tree.c, tree.h (default_insert_attributes): New function.
9084 Update comments on other default functions to refer to targetm,
9086 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9087 TARGET_INSERT_ATTRIBUTES.
9088 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9089 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9090 Don't use PRAGMA_INSERT_ATTRIBUTES.
9091 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9092 * c-decl.c (start_decl, start_function): Don't call
9093 SET_DEFAULT_DECL_ATTRIBUTES.
9094 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9095 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9097 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9098 (c4x_check_attribute): Avoid modifying attribute list itself.
9099 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9101 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9102 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9104 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9105 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9107 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9108 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9110 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9111 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9112 Adjust parameters. Make static.
9114 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9116 * c-common.c (decl_attributes): Only take a single attributes
9118 * c-common.h (decl_attributes): Update prototype.
9119 * c-decl.c (start_decl, start_function): Only take a single
9120 attributes parameter. Update calls to decl_attributes.
9121 (finish_struct, finish_enum): Update calls to decl_attributes.
9122 (push_parm_decl): Expect unified list of attributes. Update call
9124 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9125 notype_nested_function, component_declarator,
9126 component_notype_declarator, label): Update calls to
9128 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9129 lists that are passed to push_parm_decl.
9130 * c-tree.h (start_function, start_decl): Update prototypes.
9131 * config/sh/sh-protos.h, config/sh/sh.c
9132 (sh_pragma_insert_attributes): Only take a single attributes
9134 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9135 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9136 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9137 build_module_descriptor, generate_static_references,
9138 generate_strings, build_selector_translation_table,
9139 generate_descriptor_table, generate_protocols,
9140 generate_ivars_list, generate_dispatch_table,
9141 generate_protocol_list, generate_category,
9142 generate_shared_structures, really_start_method, add_objc_decls,
9143 generate_classref_translation_entry): Update calls to start_decl
9145 (build_tmp_function_decl, start_method_def): Unify attribute lists
9146 that are passed to push_parm_decl.
9148 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9150 * final.c (no_asm_to_stream): New.
9151 (final_scan_insn): Use target structures for prologue ends
9152 and epilogue starts.
9153 * output.h (no_asm_to_stream): New.
9154 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9155 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9156 (TARGET_ASM_OUT): Update.
9157 * target.h (struct gcc_target): New members function_end_prologue
9158 and function_begin_epilogue.
9159 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9160 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9161 * config/alpha/alpha.c (output_end_prologue): Rename to
9162 alpha_output_function_end_prologue. Use in target struct
9164 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9165 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9166 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9167 ia64_output_function_end_prologue. Use in target struct
9169 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9170 mistyped prototypes.
9171 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9172 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9174 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9175 an use in target struct, make static.
9176 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9179 2001-07-08 Richard Henderson <rth@redhat.com>
9181 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9183 2001-07-08 Richard Henderson <rth@redhat.com>
9185 * config/i386/i386.md: Remove constraints strings from define_split
9186 and define_peephole2 patterns.
9187 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9188 (eh_return): Use them.
9190 2001-07-08 Richard Henderson <rth@redhat.com>
9192 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9193 Document MD_FALLBACK_FRAME_STATE_FOR.
9195 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9197 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9198 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9200 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9202 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9204 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9205 of the label inside NAME as opposed to just the end of NAME.
9207 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9209 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9210 * config/alpha/alpha.c (alpha_init_machine_status,
9211 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9212 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9213 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9214 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9216 2001-07-06 Stan Shebs <shebs@apple.com>
9218 * target.h (targetm): Rename global from "target", so as not to
9219 conflict with local variables.
9221 * c-typeck.c: Ditto.
9225 * cp/decl2.c: Ditto.
9226 * cp/typeck.c: Ditto.
9227 * 1750a/1750a.c: Ditto.
9228 * a29k/a29k.c: Ditto.
9232 * clipper/clipper.c: Ditto.
9233 * convex/convex.c: Ditto.
9234 * d30v/d30v.c: Ditto.
9235 * dsp16xx/dsp16xx.c: Ditto.
9236 * elxsi/elxsi.c: Ditto.
9237 * fr30/fr30.c: Ditto.
9238 * h8300/h8300.c: Ditto.
9239 * i370/i370.c: Ditto.
9240 * i386/i386.c: Ditto.
9241 * i860/i860.c: Ditto.
9242 * i960/i960.c: Ditto.
9243 * ia64/ia64.c: Ditto.
9244 * m32r/m32r.c: Ditto.
9245 * m68hc11/m68hc11.c: Ditto.
9246 * m68k/m68k.c: Ditto.
9247 * m88k/m88k.c: Ditto.
9248 * mips/mips.c: Ditto.
9249 * ns32k/ns32k.c: Ditto.
9251 * pdp11/pdp11.c: Ditto.
9252 * romp/romp.c: Ditto.
9253 * rs6000/rs6000.c: Ditto.
9255 * sparc/sparc.c: Ditto.
9257 * we32k/we32k.c: Ditto.
9258 * doc/tm.texi: Update the manual to match.
9260 2001-07-06 Richard Henderson <rth@redhat.com>
9262 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9263 DWARF2_UNWIND_INFO not just whether it is defined.
9265 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9267 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9268 call to simplify_binary_operation returns a new pattern.
9270 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9272 * glimits.h (__SHRT_MAX__): New.
9273 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9274 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9276 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9278 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9281 2001-07-06 Richard Henderson <rth@redhat.com>
9283 * bitmap.c (bitmap_release_memory): Move adjacent to the
9284 allocation functions.
9285 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9286 the implementation. Binary search for the set bit.
9287 (bitmap_union_of_diff): Allocate the temporary on the stack
9288 instead of using xmalloc.
9290 2001-07-06 Richard Henderson <rth@redhat.com>
9292 * genrecog.c (validate_pattern): Warn for constraints in
9293 define_{expand,split,peephole2}. Remove strict_low_part
9294 before looking up match_dup.
9296 2001-07-06 DJ Delorie <dj@redhat.com>
9298 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9299 chapter about various build hints and history. Add section
9300 talking about the various types of native and cross builds.
9302 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9304 * Makefile.in (final.o): Depend on target.h.
9305 * final.c: Include target.h.
9306 (default_function_pro_epilogue): New.
9307 (final_start_function): Use target structure for function prologues.
9308 (final_end_function): Use target structure for function epilogues.
9309 * fold-const.c (real_hex_to_f): Constify s and p.
9310 * output.h (default_function_pro_epilogue): New.
9311 * real.h (real_hex_to_f): Update prototype.
9312 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9313 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9314 (TARGET_INITIALIZER): Update.
9315 * target.h (gcc_target): Add struct asm_out.
9316 * doc/tm.texi: Update.
9319 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9320 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9321 in cpu/cpu.c, or rename old functions consistently. Take
9322 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9323 redundant macros and prototypes. Make new functions static.
9325 * 1750a/1750a.c: Similarly.
9326 * 1750a/1750a.h: Similarly.
9327 * a29k/a29k-protos.h: Similarly.
9328 * a29k/a29k.c: Similarly.
9329 * a29k/a29k.h: Similarly.
9330 * arc/arc-protos.h: Similarly.
9331 * arc/arc.c: Similarly.
9332 * arc/arc.h: Similarly.
9333 * arm/arm-protos.h: Similarly.
9334 * arm/arm.c: Similarly.
9335 * arm/arm.h: Similarly.
9336 * avr/avr-protos.h: Similarly.
9337 * avr/avr.c: Similarly.
9338 * avr/avr.h: Similarly.
9339 * clipper/clipper-protos.h: Similarly.
9340 * clipper/clipper.c: Similarly.
9341 * clipper/clipper.h: Similarly.
9342 * convex/convex.c: Similarly.
9343 * convex/convex.h: Similarly.
9344 * d30v/d30v-protos.h: Similarly.
9345 * d30v/d30v.c: Similarly.
9346 * d30v/d30v.h: Similarly.
9347 * d30v/d30v.md: Similarly.
9348 * dsp16xx/dsp16xx-protos.h: Similarly.
9349 * dsp16xx/dsp16xx.c: Similarly.
9350 * dsp16xx/dsp16xx.h: Similarly.
9351 * elxsi/elxsi.c: Similarly.
9352 * elxsi/elxsi.h: Similarly.
9353 * fr30/fr30.c: Similarly.
9354 * fr30/fr30.md: Similarly.
9355 * h8300/h8300-protos.h: Similarly.
9356 * h8300/h8300.c: Similarly.
9357 * h8300/h8300.h: Similarly.
9358 * i370/i370-protos.h: Similarly.
9359 * i370/i370.c: Similarly.
9360 * i370/i370.h: Similarly.
9361 * i386/i386.c: Similarly.
9362 * i386/osf1elf.h: Similarly.
9363 * i386/osfrose.h: Similarly.
9364 * i860/i860-protos.h: Similarly.
9365 * i860/i860.c: Similarly.
9366 * i860/i860.h: Similarly.
9367 * i960/i960-protos.h: Similarly.
9368 * i960/i960.c: Similarly.
9369 * i960/i960.h: Similarly.
9370 * ia64/ia64-protos.h: Similarly.
9371 * ia64/ia64.c: Similarly.
9372 * ia64/ia64.h: Similarly.
9373 * m32r/m32r-protos.h: Similarly.
9374 * m32r/m32r.c: Similarly.
9375 * m32r/m32r.h: Similarly.
9376 * m68hc11/m68hc11-protos.h: Similarly.
9377 * m68hc11/m68hc11.c: Similarly.
9378 * m68hc11/m68hc11.h: Similarly.
9379 * m68k/crds.h: Similarly.
9380 * m68k/dpx2.h: Similarly.
9381 * m68k/m68k-protos.h: Similarly.
9382 * m68k/m68k.c: Similarly.
9383 * m68k/m68k.h: Similarly.
9384 * m68k/news.h: Similarly.
9385 * m88k/m88k-protos.h: Similarly.
9386 * m88k/m88k.c: Similarly.
9387 * m88k/m88k.h: Similarly.
9388 * mips/mips-protos.h: Similarly.
9389 * mips/mips.c: Similarly.
9390 * mips/mips.h: Similarly.
9391 * ns32k/merlin.h: Similarly.
9392 * ns32k/ns32k.c: Similarly.
9393 * ns32k/ns32k.h: Similarly.
9394 * ns32k/tek6000.h: Similarly.
9395 * pa/pa-protos.h: Similarly.
9396 * pa/pa.c: Similarly.
9397 * pa/pa.h: Similarly.
9398 * pdp11/2bsd.h: Similarly.
9399 * pdp11/pdp11-protos.h: Similarly.
9400 * pdp11/pdp11.c: Similarly.
9401 * pdp11/pdp11.h: Similarly.
9402 * romp/romp-protos.h: Similarly.
9403 * romp/romp.c: Similarly.
9404 * romp/romp.h: Similarly.
9405 * rs6000/rs6000-protos.h: Similarly.
9406 * rs6000/rs6000.c: Similarly.
9407 * rs6000/rs6000.h: Similarly.
9408 * rs6000/sysv4.h: Similarly.
9409 * sh/sh-protos.h: Similarly.
9410 * sh/sh.c: Similarly.
9411 * sh/sh.h: Similarly.
9412 * sparc/sparc-protos.h: Similarly.
9413 * sparc/sparc.c: Similarly.
9414 * sparc/sparc.h: Similarly.
9415 * vax/vax.c: Similarly.
9416 * vax/vax.h: Similarly.
9417 * vax/vms.h: Similarly.
9418 * we32k/we32k.c: Similarly.
9419 * we32k/we32k.h: Similarly.
9421 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9423 * basic-block.h (first_insn_after_basic_block_note): Declare.
9424 * flow.c (first_insn_after_basic_block_note): Define. Moved
9426 * ssa.c (first_insn_after_basic_block_note): Remove.
9427 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9429 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9430 nodes when we find a dead conditional branch. Insert BARRIERs
9431 after any blocks with no successors, but which do not have
9434 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9436 * varray.c (varray_check_failed): Use internal_error.
9438 2001-07-05 Andrew Haley <aph@redhat.com>
9440 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9441 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9442 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9444 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9446 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9447 reference if the target constant is also a SYMBOL_REF.
9449 2001-07-05 Eric Christopher <echristo@redhat.com>
9451 * config/mips/mips.h (MASK_MIPS3900): Remove.
9452 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9453 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9454 (TARGET_MIPS3900): Change to use mips_arch.
9455 (TARGET_MIPS4000): New.
9456 (TARGET_MIPS4100): New.
9457 (TARGET_MIPS4300): New.
9458 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9459 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9461 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9462 (ISA_HAS_BRANCHLIKELY): To here.
9463 (CC1_CPU_SPEC): New.
9464 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9465 (mips_arch_string): Declare.
9466 (mips_arch): Declare.
9467 (TARGET_OPTIONS): Add -march and -mtune.
9469 * config/mips/mips.c (mips_arch_string): New.
9471 (override_options): Handle -march for codegen and -mtune
9472 for scheduling. Use mips_arch. Move tx39 target default here.
9473 (mips_parse_cpu): Move error message to override_options.
9475 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9477 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9479 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9480 (MIPS Options): Ditto. Change mcpu entry to historical text.
9482 2001-07-05 H.J. Lu (hjl@gnu.org)
9484 * config/mips/mips.c (mips_parse_cpu): New function to parse
9487 2001-07-05 Jim Wilson <wilson@redhat.com>
9489 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9490 * config/ia64/t-ia64: Likewise.
9491 (LIB1ASMFUNCS): Update comment.
9493 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9495 * doc/install.texi (Install GCC: Binaries): Fix typo.
9497 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9499 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9500 reference using the stack pointer, adjust it since we push Y
9502 ("*ashrsi3"): Likewise.
9503 ("*lshrsi3"): Likewise.
9505 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9507 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9508 when -fomit-frame-pointer is used.
9510 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9512 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9513 (try_redirect_by_replacing_jump): Reverse updating properly the
9514 count and frequency information. Reverse removing cc0 setter.
9515 (forwarder_block_p): Reverse fixing for fallthru blocks.
9517 2001-07-05 DJ Delorie <dj@redhat.com>
9519 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9520 (translate_options): If the above is defined, use it to map
9521 given options to new options.
9522 * doc/tm.texi: Document it.
9524 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9525 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9527 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9528 cause programs using computed gotos to run more slowly.
9530 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9532 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9534 Consistently require binutils 2.11.2, not prereleases.
9535 (Specific, decstation-*): Canonicalize as mips-dec-*.
9536 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9538 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9539 (Specific, mips-*): Reword MIPS C compiler requirements.
9540 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9541 (Specific, sunv5): Removed, obsolete.
9543 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9545 * dwarf2out.c (output_loc_list): Use an all ones mask for
9546 .text asm output and don't rely on long long
9547 literals. Reformat some long lines.
9549 2001-07-05 Andreas Jaeger <aj@suse.de>
9551 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9554 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9556 * dwarf2out.c (dwarf2out_define): Update comment.
9557 (dwarf2out_undef): Ditto.
9558 (dwarf2out_start_source_file): Ditto.
9559 (dwarf2out_end_source_file): Ditto.
9560 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9561 since we never call the start/end debug hook for the primary file.
9563 2001-07-04 Kazu Hirata <kazu@hxi.com>
9565 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9568 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9570 * cppinit.c (remove_dup_dirs): Inform if a system include
9571 directory is being reordered.
9572 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9574 * doc/cpp.texi (Search Paths): Likewise.
9575 * doc/gcc.texi (Interoperation): Remove information about
9578 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9580 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9581 (VARRAY_TOP_CHAR_PTR): Likewise.
9583 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9585 * gcc.c (process_command): Don't assign elements of a const char*.
9587 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9589 * emit-rtl.c (change_address): Don't abort if invalid address while
9590 reload is in progress.
9592 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9594 * c-lex.c (cb_file_change): Pass line number to
9595 debug_start_source_file.
9596 (cb_undefine): Pass correct line number to debug_undef.
9598 * toplev.c (debug_start_source_file): Add line number to
9599 parameters. Pass it along to dwarf2out_start_source_file.
9600 (decode_g_option): Stop resetting debug level back to normal when
9601 we change debug formats, unless the current level is
9602 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9605 * toplev.h (debug_start_source_file): Add line number to
9608 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9611 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9613 Output debug_macinfo data for starting file if requested.
9614 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9616 (dwarf2out_define): Output debug_macinfo data for defining a macro
9618 (dwarf2out_undef): Output debug_macinfo data for undefining a
9620 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9621 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9622 (macinfo_section_label): New. DWARF2 macro info section label.
9623 (dwarf2out_init): If we want macro info, output the start label
9625 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9626 attribute to the compilation unit die pointing to the macro info.
9628 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9630 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9631 DWARF2_DEBUGGING_INFO.
9632 (add_loc_descr_to_loc_list): Ditto.
9633 (output_loc_list): Ditto.
9634 Also, fix thinko in curr not being initialized.
9635 (gen_internal_sym): Ditto.
9637 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9639 * emit-rtl.c (replace_equiv_address): New function.
9640 * expr.h (replace_equiv_address): New declaration.
9641 * explow.c (validize_mem): Call it instead of change_address and
9642 also call if -fforce-addr and address is constant.
9643 * expr.c: Replace more calls to change_address with adjust_address
9644 and/or replace_equiv_address or to validize_mem.
9645 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9646 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9647 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9648 * config/i370/i370.md, config/i860/i860.md: Likewise.
9649 * config/i960/i960.md, config/mips/mips.c: Likewise.
9650 * config/mips/mips.md, config/pa/pa.md: Likewise.
9651 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9652 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9654 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9656 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9658 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9661 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9663 * doc/include: New directory.
9664 * doc/fdl.texi: Move to doc/include/fdl.texi.
9665 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9666 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9667 * doc/gcc.texi: Use funding.texi and gpl.texi.
9668 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9669 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9670 Update dependencies and use -I $(docdir)/include.
9672 2001-07-04 Anthony Green <green@redhat.com>
9674 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9676 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9678 * doc/install.texi (sparc64-*-*): Remove garbage.
9680 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9682 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9683 Fix typo in last change to use adjust_address.
9685 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9687 * doc/install.texi (Specific): Update information for *-*-solaris*.
9689 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9691 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9693 2001-07-03 Stan Shebs <shebs@apple.com>
9695 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9696 case for flag_no_mach_text_sections.
9697 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9698 * config/darwin.c (flag_no_mach_text_sections): Remove.
9699 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9701 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9703 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9704 and avoid checking for constant as first operand.
9705 * recog.c (find_constant_term_loc): No longer static.
9706 (adj_offettable_operand): Delete.
9707 * rtl.h (adj_offsettable_operand): Delete declaration.
9708 (find_constant_term): Add declaration.
9709 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9711 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9712 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9713 * config/i386/i386.c, config/i386/i386.md: Likewise.
9714 * config/i860/i860.c, config/i960/i960.c: Likewise.
9715 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9716 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9717 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9718 * config/mips/mips.c, config/mips/mips.md: Likewise.
9719 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9720 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9721 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9722 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9723 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9724 * config/ns32k/ns32k.md: Likewise.
9726 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9728 * rtl.c (copy_rtx): Handle 'T' format letter.
9729 * gensupport.c (collect_insn_data): Likewise.
9730 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9732 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9734 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9735 -B option. Use 'dir' not 'foo' as example directory name.
9737 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9739 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9740 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9742 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9744 * doc/cppinternals.texi: Improve formatting and logical markup.
9746 2001-07-03 Andreas Jaeger <aj@suse.de>
9748 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9750 * genrecog.c (write_header): Include reload.h for prototypes in
9753 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9756 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9757 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9758 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9759 i386_pe_valid_type_attribute_p): Add.
9760 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9761 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9763 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9765 * explow.c (plus_constant_wide, case LO_SUM): New case.
9766 (plus_constant_for_output_wide): Delete.
9767 * rtl.h (plus_constant_for_output): Delete.
9768 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9769 instead of plus_constant_for_output.
9770 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9771 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9772 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9773 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9774 * config/sparc/sparc.md: Likewise.
9775 Convert some change_address calls to adjust_address.
9777 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9779 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9780 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9781 documentation of -std and -Wwrite-strings.
9783 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9785 * cse.c (canon_hash): Don't register registers in very small
9786 register classes, as extending their lifetime might cause
9789 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9791 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9793 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9794 (try_redirect_by_replacing_jump): Update properly the count
9795 and frequency information.
9797 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9799 * toplev.c (dump_file_index): Move SSA dumps just after first
9801 (dump_file): Corresponding changes.
9802 (rest_of_compilation): Move SSA path to just after the first
9804 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9805 * doc/invoke.texi: Update dump file #s as they were completely
9806 out of date with reality.
9808 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9810 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9812 * expr.c (emit_move_insn_1): Deal with non-default
9815 * expr.c (emit_single_push_insn): Fix warning.
9817 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9819 * expr.c (emit_move_insn_1): Avoid modifying
9820 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9822 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9824 * emit-rtl.c (adjust_address): New function.
9825 * expr.h (adjust_address): Add declaration.
9826 * builtins.c: Replace some calls to change_address with calls to it
9828 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9829 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9830 * config/arm/arm.c, config/convex/convex.c: Likewise.
9831 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9832 * config/i386/i386.c, config/i386/i386.md: Likewise.
9833 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9834 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9835 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9836 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9837 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9839 2001-07-02 Jim Wilson <wilson@redhat.com>
9841 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9843 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9845 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9846 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9848 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9850 * cppinit.c (lang_defaults): New table.
9851 (set_lang): Just read from lang_defaults into the live options
9854 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9856 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9857 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9858 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9860 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9862 * doc/install.texi: Various spelling and markup fixes.
9863 (Installing GCC): Component specific installation instructions are
9866 Warn about removing old install dir in the presence of shared libs.
9867 (Configuration): Invoke with options target to match configure
9869 Consistently refer to gas, gld pathnames.
9870 Invert --enable-multilib documentation.
9871 Remove references to old compiler versions.
9873 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9875 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9877 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9879 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9881 (Specific, mips*-sgi-irix5): Note IDO download.
9882 Reworded MIPS C hints.
9883 Use GNU as instead of GAS.
9885 Removed SGI Freeware reference, IRIX 6 only.
9886 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9887 Note N64 library requirement/workaround.
9889 Complete list of structure passing bug victims.
9891 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9893 * doc/install.texi: Remove CVS Id.
9895 2001-07-02 Andreas Jaeger <aj@suse.de>
9897 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9898 (find_inherently_necessary): Remove unused variable.
9900 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9902 * c-common.h (TDI_inlined): New ast dump phase.
9903 (dump_flag_name): New function.
9904 * c-dump.c (dump_files): Add inlined phase.
9905 (dump_flag_name): Define.
9906 * doc/invoke.texi (-fdump-ast-inlined): Document.
9908 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9910 * stor-layout.c (layout_decl): Revert change to handling of alignment
9913 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9915 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9918 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9920 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9923 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9925 * tlink.c (recompile_files): Remove COMPILER_PATH and
9926 LIBRARY_PATH from the environment.
9928 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9930 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9931 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9933 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9935 * c-parse.in (OBJC_STRING): Kill.
9936 (objc_string): Decompose to [objc_string] '@' STRING.
9937 (reswords): Take the leading '@' off all the Objective C keywords.
9938 (objc_rid_sans_at): Kill.
9939 (init_reswords): Don't initialize it.
9940 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9941 (_yylex): Kill reconsider label. Look ahead one token after
9942 an '@'; if we get an identifier, check whether it's an
9943 Objective C @-keyword. If so, return the keyword. Otherwise,
9944 put back the token and return the '@' as a terminal.
9946 * cpplib.c (lex_macro_node): Remove unnecessary check for
9947 leading '@' on identifier. Clarify control flow and commentary.
9949 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9951 * cse.c (new_label_ref): Variable deleted.
9952 (insert): Remove set of new_label_ref.
9953 (check_for_label_ref): New function.
9954 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9956 See ChangeLog.5 for earlier changes.