1 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
4 to ensure valid SImode constants.
6 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
8 * Makefile.in (c-decl.o): Depend on tree-inline.h.
9 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
10 * c-decl.c: Include tree-inline.h.
11 (c_expand_body): Call optimize_inline_calls. Determine whether
12 a function is inlinable upfront, and only clear
13 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
14 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
15 (c_disregard_inline_limits): New function.
16 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
17 (c_post_options): Enable tree inlining if inlining is enabled.
18 Don't inline trees when instrumenting functions.
19 (c_init): Initialize lang_disregard_inline_limits and
20 lang_cannot_inline_tree_fn.
21 * tree-inline.c (initialize_inlined_parameters): Handle calls
22 with fewer arguments than declared parameters, and fewer
23 parameters than passed arguments. Don't assume value is a
25 (declare_return_variable): Convert return value back to the
26 original type, if it was promoted.
27 (tree_inlinable_function_p): New function.
28 (inlinable_function_p): Don't look at DECL_INLINE if we're
29 inlining all functions. Make it work with a NULL id.
30 Re-check DECL_UNINLINABLE after language-specific checks.
31 * tree-inline.h (tree_inlinable_function_p): Declare it.
32 * integrate.c (save_for_inline): Don't bother to prepare argvec
34 * cse.c (check_for_label_ref): Don't check deleted labels.
36 * Makefile.in (tree-inline.o): Depend on newly-included headers.
37 * tree-inline.c: Include headers needed for the functions moved in.
38 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
39 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
40 (copy_body, initialize_inlined_parameters): Likewise.
41 (declare_return_variable, inlinable_function_p): Likewise.
42 (expand_call_inline, expand_calls_inline): Likewise.
43 (optimize_inline_calls, clone_body): Likewise.
44 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
45 (copy_tree_r, remap_save_expr): Likewise.
47 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
49 * Makefile.in (OBJS): Added tree-inline.o.
50 (c-common.o): Depend on tree-inline.h.
51 (tree-inline.o): New target.
52 * c-common.c: Include tree-inline.h.
53 (c_mark_lang_decl): Don't mark saved_tree.
54 (c_common_lang_init): Set lang_anon_aggr_type_p.
55 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
56 (struct c_lang_decl): Moved saved_tree to tree_decl.
57 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
58 * integrate.h (function_attribute_inlinable_p): Declare it.
59 * integrate.c (function_attribute_inlinable_p): Export it.
60 * tree-inline.c: New file. Define variables declared in...
61 * tree-inline.h: New file. Declare functions to be moved to
62 tree-inline.c. Define macros and declare types and hooks for
63 language-specific tree inlining.
64 (flag_inline_trees): Moved definition from cp/decl2.c.
65 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
66 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
67 (struct tree_decl): Moved saved_tree from c_lang_decl and
68 inlined_fns from C++'s lang_decl.
70 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
72 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
73 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
75 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
77 * doc/cppinternals.texi: Update.
79 2001-10-04 Eric Christopher <echristo@redhat.com>
81 * config/mips/mips.c (init_cumulative_args): Remember to set
83 * config.gcc: Redo linux configuration. Add target_cpu_default
84 of soft-float to all mipsisa32 combinations and tx39.
85 * config/mips/linux.h: Remove include of mips.h.
87 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
89 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
90 HOST_LDFLAGS and HOST_CPPFLAGS.
92 2001-10-03 Ziemowit Laski <zlaski@apple.com>
94 * c-parse.in (objc_inherit_code, objc_pq_context,
95 objc_public_flag): Make static.
96 (objc_interface_context, objc_implementation_context,
97 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
98 global tree array in objc/objc-act.[ch].
99 (methoddef): Remove unnecessary code.
101 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
102 Hoist struct definitions to objc-act.h.
103 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
104 cat_count): Place declaration in objc-act.h.
105 (objc_tree_index): Move enumeration to objc-act.h.
106 (objc_global_trees): Place declaration and macro accessors in
108 (implementation_context): Remove duplicate; use
109 objc_implementation_context instead:
110 (method_context): Remove duplicate; use objc_method_context
112 (objc_ellipsis_node, objc_method_prototype_template,
113 implemented_classes, function_type): Move global vars to
115 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
116 (build_message_expr): Move actual construction of ObjC message
117 send nodes to finish_message_expr.
118 (finish_message_expr): New routine, contains code formerly in
120 * objc/objc-act.h (finish_message_expr): New prototype.
121 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
122 declarations; these vars are now part of objc_global_trees.
123 (objc_tree_index, objc_global_trees): Move definitions from
125 * objc/objc-tree.def: Update copyright info.
127 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
129 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
131 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
132 only if TARGET_ARCH64.
134 2001-10-02 Bernd Schmidt <bernds@redhat.com>
136 * doc/extend.texi: Fix some problems with previous checkin.
137 * doc/invoke.texi: Likewise.
139 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
141 * cpphash.h: Update comments.
142 (cpp_context): Update.
143 (spec_nodes): Remove n__Pragma.
144 * cppinit.c (cpp_create_reader): Update.
145 (builtin_array): Add _Pragma.
146 * cpplib.h: Update comments.
147 (NODE_DISABLED, BT_PRAGMA): New.
148 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
149 * cppmacro.c (struct cpp_macro): Remove disabled.
150 (builtin_macro): Return int, handle _Pragma, push the new token
151 on the context stack.
152 (funlike_invocation_p): Unconstify, update.
153 (enter_macro_context): Handle builtins here.
154 (replace_args, push_token_context, push_ptoken_context):
155 Update for prototype changes.
156 (_cpp_pop_context): Update.
157 (cpp_get_token): Don't handle buitins, nor _Pragma here.
158 (cpp_sys_macro_p): Update.
159 (_cpp_free_definition): Clear disabled flag.
160 (_cpp_create_definition): Upate.
161 * cppmain.c: Update comments.
163 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
164 Andreas Jaeger <aj@suse.de>,
165 Jan Hubicka <jh@suse.cz>
167 * doc/invoke.texi (i386 Options): Document x86-64 options.
168 (i386 and x86-64 Options): Rename i386 options section.
170 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
171 (TARGET_SWITCHES): Add -munwind-info.
172 (MASK_NO_UNWIND_INFO): New.
173 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
175 (ASM_OUTPUT_DOUBLE_INT): New.
177 * config/i386/linux64.h: New spec file for Linux x86-64 support.
178 * config.gcc: Fix tm_file settings for x86-64.
179 * config/i386/x86-64.h: New file with OS independent x86-64
181 * config/i386/biarch64.h: New file used to configure compiler
182 to biarch/64bit compilation.
184 * config/i386/i386.c: (override_options): Set flags default
185 for 64bit compilation.
187 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
189 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
190 (ix86_expand_int_movcc): Optimize DImode conditional moves with
192 (ix86_attr_length_immediate_default): Support MODE_DI.
193 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
195 (indirect_jump, tablejump): Turn into expander.
197 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
199 * c-common.c (c_format_attribute_table): Make format and
200 format_arg attributes apply to function types rather than to
202 (is_valid_printf_arglist): Construct an attribute list and pass
203 that to check_function_format rather than a name.
204 * c-common.h (check_function_format): Adjust prototype.
205 * c-decl.c (duplicate_decls): Preserve attributes from type of
206 built-in decl when allowing for harmless conflict in types.
207 * c-format.c (record_function_format,
208 record_international_format, function_format_list,
209 international_format_info, international_format_list): Remove.
210 (function_format_info): Remove next, name and assembler_name.
211 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
212 (decode_format_attr): New.
213 (handle_format_attribute): Handle receiving a type rather than a
214 decl. Call decode_format_attr. Store format information in a
215 function_format_info.
216 (handle_format_arg_attribute): Correct comment. Handle receiving
217 a type rather than a decl. Use unsigned HOST_WIDE_INT for
219 (check_format_info_recurse, check_format_info_main): Take argument
220 numbers as unsigned HOST_WIDE_INT.
221 (check_function_format): Take a list of attributes from the
222 function type rather than a name or assembler name. Check for
223 format attributes in that list and the attributes on the type of
224 the current function rather than looking through
225 function_format_list.
226 (check_format_info): Use unsigned HOST_WIDE_INT for argument
228 (check_format_info_recurse): Take format_arg attributes from the
229 type of the function calls rather than using
230 international_format_list. Allow for multiple format_arg
232 * c-typeck.c (build_function_call): Pass type attributes to
233 check_function_format rather than name or assembler name. Don't
234 require there to be a name or assembler name to check formats.
236 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
238 * attribs.c (decl_attributes): Possibly call
239 insert_default_attributes to insert default attributes on
240 functions in a lazy manner.
241 * builtin-attrs.def: New file; define the default format and
242 format_arg attributes.
243 * c-common.c (c_format_attribute_table): Move to earlier in the
245 (c_common_nodes_and_builtins): Initialize format_attribute_table.
246 (enum built_in_attribute, built_in_attributes,
247 c_attrs_initialized, c_init_attributes,
248 c_common_insert_default_attributes): New.
249 (c_common_lang_init): Don't initialize format_attribute_table. Do
250 call c_init_attributes.
251 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
252 * c-common.h (init_function_format_info): Don't declare.
253 (c_common_insert_default_attributes): Declare.
254 * c-decl.c (implicitly_declare, builtin_function): Call
256 (init_decl_processing): Don't call init_function_format_info.
257 (insert_default_attributes): New.
258 * c-format.c (handle_format_attribute,
259 handle_format_arg_attribute): Be quiet about inappropriate
260 declaration when applying default attributes.
261 (init_function_format_info): Remove.
262 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
263 (insert_default_attributes): Declare.
265 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
267 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
269 2001-10-01 Jim Wilson <wilson@redhat.com>
271 * sched-deps.c (add_dependence): When elide conditional dependence,
272 check that insn doesn't modify cond2.
274 2001-10-01 Dale Johannesen <dalej@apple.com>
276 * config/rs6000/rs6000.h (enum processor_type): Add support
277 for 7400 (G4) and 7450.
279 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
280 (rs6000_issue_rate): Ditto.
281 (rs6000_adjust_cost): Fix cycle counts for compares.
282 (debug_stack_info): Fix an obvious typo.
283 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
284 * doc/invoke.texi: Document.
285 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
287 (PROCESSOR_DEFAULT): Ditto.
289 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
291 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
292 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
293 later recursive make invocation.
295 2001-10-01 Hans Boehm <boehm@acm.org>
297 * optabs.c (emit_libcall_block): When using non-call exceptions,
298 don't add REG_LIBCALL reg notes to trapping calls.
300 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
302 * flow.c (propagate_block_delete_libcall): Remove unused first arg
303 (propagate_one_insn): Update for above change
305 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
307 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
308 _Unwind_GetTextRelBase): Argument is unused.
310 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
312 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
313 Loop through NOPs, placeholders, and components.
314 Don't go through NOPs if change mode.
315 (record_alias_subset): Do nothing if SUBSET and SET are the same.
316 * emit-rtl.c (set_mem_alias_set): Enable check.
317 * expr.c (find_placeholder): New function.
318 (expand_expr, case PLACEHOLDER_EXPR): Use it.
319 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
320 to modify it and avoid unneeded copies.
321 * expr.h (expand_expr): Always define.
322 (find_placeholder): New declaration.
324 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
326 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
327 operand 2 is the stack pointer.
328 ("addr-peephole"): Fix address computation peephole when operand 2
329 is the stack pointer.
331 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
333 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
334 (ix86_setup_incoming_varargs): Likewise.
336 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
338 * stor-layout.c (layout_type): Don't complain about too-large
341 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
343 * function.c (keep_stack_depressed): Don't use delete_insn.
345 * expr.h (set_mem_alias_set): Move decl to here.
346 * rtl.h (mem_attrs): New typedef and struct.
347 (union rtunion_def): Add field for mem_attrs.
348 (X0MEMATTR, MEM_ATTRS): New macros.
349 (MEM_ALIAS_SET): Use MEM_ATTRS.
350 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
351 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
352 (set_mem_alias_set): Delete decl from here.
354 * alias.c (set_mem_alias_set): Delete from here.
355 * emit-rtl.c (mem_attrs_htab): New variable.
356 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
357 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
358 (mem_attrs_mark, get_mem_attrs): Likewise.
359 (gen_rtx_MEM): Clear MEM_ATTRS.
360 (set_mem_attributes): Move to here.
361 (set_mem_alias_set): Likewise, and call get_mem_attrs.
362 (init_emit_once): const_int_htab now deletable htab.
363 Initialize mem_attrs_htab.
364 * explow.c (set_mem_attributes): Delete from here.
365 * function.c (put_var_into_stack): Clear MEM_ATTRS.
366 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
367 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
368 * reload1.c (reload): Rework changing REG to MEM.
370 2001-09-30 H.J. Lu <hjl@gnu.org>
372 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
373 * config.in: Rebuild.
375 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
377 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
378 ("tsthi_1"): Avoid allocation in register y.
379 ("*movqi_68hc12"): Reorganize and fix constraints.
380 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
381 ("addqi3"): Likewise.
382 ("addhi3"): Fix constraints.
383 ("*logicalhi3_zexthi"): Disparage soft registers.
385 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
387 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
390 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
392 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
393 that we use setjmp/longjmp exceptions.
395 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
397 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
398 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
399 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
400 _cpp_pool_alloc, _cpp_next_chunk): Remove.
401 (_cpp_extend_buff, BUFF_ROOM): Update.
402 (_cpp_append_extend_buff): New.
403 (struct cpp_reader): Remove macro_pool, add a_buff.
404 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
406 (cpp_destroy): Free a_buff instead of macro_pool.
407 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
408 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
409 _cpp_pool_alloc, ): Remove.
410 (parse_number, parse_string): Update use of _cpp_extend_buff.
411 (_cpp_extend_buff): Update.
412 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
413 * cpplib.c (glue_header_name, parse_answer):
414 Update use of _cpp_extend_buff.
415 (cpp_register_pragma, cpp_register_pragma_space): Use
417 (do_assert, do_unassert): Check for EOL, update.
418 * cppmacro.c (stringify_arg, collect_args): Update to use
419 _cpp_extend_buff and _cpp_append_extend_buff.
420 (save_parameter, parse_params, alloc_expansion_token,
421 _cpp_create_definition): Rework memory management.
423 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
425 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
426 update md_exec_prefix.
427 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
430 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
432 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
433 (SELECT_CC_MODE): Use s390_select_ccmode.
434 * config/s390/s390-protos.h (s390_select_ccmode): Add.
435 * config/s390/s390.c (s390_select_ccmode): New.
436 (s390_match_ccmode): Add CCLmode.
437 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
438 (output_branch_condition, output_inverse_branch_condition): Removed.
439 (print_operand): Use s390_branch_condition_mnemonic.
440 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
441 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
442 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
444 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
445 when converting conditional branches to far branches.
446 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
447 cmpint_di): Use CCSmode instead of CCUmode.
449 * config/s390/s390.c (legitimate_la_operand_p): New.
450 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
451 * config/s390/s390.md (movsi): Convert load address patterns to
452 arithmetic operations when necessary.
453 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
454 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
455 (*do_la_reg_0): Don't use before reload.
457 * config/s390/s390.c (legitimize_address): Make more efficient
458 use of two-register addressing mode.
460 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
461 with -mno-backchain in some corner cases.
463 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
465 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
467 * reload.c (find_reloads): Mark new USE insns with QImode.
468 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
469 find_reloads_subreg_address): Likewise.
470 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
472 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
474 (reload): Make sure there are no USEs with mode other than
475 VOIDmode. At the end, remove those marked with QImode.
477 2001-09-29 Per Bothner <per@bothner.com>
479 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
480 * Makefile.in (includedir): Rename to local_includedir.
481 (includedir): Define as $(prefix)/include.
482 * config.in (PREFIX_INCLUDE_DIR): New variable.
483 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
485 2001-09-29 Bernd Schmidt <bernds@redhat.com>
487 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
489 * doc/extend.texi (Vector Extensions): New node.
490 * doc/invoke.texi (Machine Dependent Options): Add documentation for
491 i386 -mmmx, -msse, -m3dnow.
493 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
495 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
497 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
499 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
501 * doc/invoke.texi (Optimize Options): Delete spurious @table.
503 2001-09-28 Richard Henderson <rth@redhat.com>
505 * varasm.c (assemble_integer): Bound alignment check by
508 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
510 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
512 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
514 2001-09-25 Bernd Schmidt <bernds@redhat.com>
516 Mostly from Graham Stott <grahams@redhat.com>
517 * c-common.c (type_for_mode): Add support for V2SFmode.
518 * tree.c (build_common_tree_nodes_2): Likewise.
519 * tree.h (enum tree_index, global_trees): Likewise.
520 * config/i386/i386.c (x86_3dnow_a): New variable.
521 (override_options): Support 3Dnow extensions.
522 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
523 Athlon's version of 3Dnow.
524 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
525 (ix86_expand_builtin): Handle them.
526 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
527 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
528 TARGET_3DNOW_A): New macros.
529 (TARGET_SWITCHES): Add 3Dnow switches.
530 (VALID_MMX_REG_MODE_3DNOW): New macro.
531 (VECTOR_MODE_SUPPORTED_P): Use it.
532 (enum ix86_builtins): Add entries for 3Dnow builtins.
533 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
534 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
535 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
536 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
537 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
538 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
539 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
540 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
541 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
542 sfence_insn, prefetch): Make these available if TARGET_SSE or
545 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
547 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
548 ix86_va_start, ix86_build_va_list): Declare.
549 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
550 ix86_va_start, ix86_build_va_list): New global functions.
551 * i386.md (sse_prologue_save_insn): New insn.
552 (sse_prologue_save): New expander.
553 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
554 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
556 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
558 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
559 Use size_t everywhere, make definitions consistent with
562 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
564 * gcse.c (replace_store_insn): Use delete_insn.
565 * loop.c (move_movables): Likewise; avoid delete_insn
566 from clobbering notes moved elsewhere.
567 (check_dbra_loop): Use delete_insn.
568 * ssa.c (convert_from_ssa): Likewise.
569 * cse.c (cse_insn): Use delete_insn.
571 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
573 * cpphash.h (struct cpp_buff): Make unsigned.
574 (_cpp_get_buff): Take length of size_t.
575 (_cpp_unaligned_alloc): New.
576 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
577 (struct cpp_reader): Remove ident_pool. Add u_buff.
578 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
579 (cpp_destroy): Destroy u_buff, not ident_pool.
580 * cpplex.c (parse_number, parse_string, save_comment,
581 cpp_token_as_text): Update to use the unaligned buffer.
582 (new_buff): Make unsigned.
583 (_cpp_unaligned_alloc): New.
584 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
585 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
587 (collect_args): Make unsigned.
589 2001-09-27 Zack Weinberg <zack@codesourcery.com>
591 * cpplex.c (cpp_output_token): Use a putc loop for
592 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
594 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
595 * configure, config.in: Regenerate.
596 * system.h: Replace fwrite and fprintf with their unlocked
597 variants if available.
599 2001-09-27 Richard Henderson <rth@redhat.com>
601 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
602 in favour of .eh_frame.
604 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
606 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
608 (LIBCALL_VALUE): Likewise.
610 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
612 * cpphash.h: Update comment.
613 * cpplex.c: Update comments.
614 (_cpp_can_paste): Remove.
615 * cpplib.h (_cpp_can_paste): Remove.
616 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
617 lexer rather than _cpp_can_paste.
619 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
621 * doc/cppinternals.texi: Update.
623 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
625 * cpphash.h (struct cpp_pool): Remove locks and locked.
626 (struct cpp_context): Add member buff.
627 (struct cpp_reader): Remove member argument_pool.
628 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
629 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
630 * cpplex.c (chunk_suitable): Remove pool argument.
631 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
632 (new_buff, _cpp_extend_buff): Update.
633 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
634 which buffer is returned.
635 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
636 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
637 * cppmacro.c (lock_pools, unlock_pools): Remove.
638 (push_ptoken_context): Take a _cpp_buff.
639 (enter_macro_context): Pool locking removed.
640 (replace_args): Use a _cpp_buff for the replacement list with
642 (push_token_context): Clear buff.
643 (expand_arg): Use _cpp_pop_context.
644 (_cpp_pop_context): Free a context's buffer, if any.
646 2001-09-26 DJ Delorie <dj@redhat.com>
648 * c-typeck.c (digest_init): Check for sizeless arrays.
650 2001-09-26 Richard Henderson <rth@redhat.com>
652 * optabs.c (init_one_libfunc): Create a dummy function type
653 instead of using error_mark_node.
655 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
657 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
658 _cpp_extend_buff, _cpp_free_buff): New.
659 (struct cpp_reader): New member free_buffs.
660 * cppinit.c (cpp_destroy): Free buffers.
661 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
662 _cpp_extend_buff, _cpp_free_buff): New.
663 * cpplib.h (struct cpp_options): Remove unused member.
664 * cppmacro.c (collect_args): New. Combines the old parse_arg
665 and parse_args. Use _cpp_buff for memory allocation.
666 (funlike_invocation_p, replace_args): Update.
668 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
670 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
672 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
674 * except.c (sjlj_mark_call_sites): Change address inside sequence.
676 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
678 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
681 2001-09-25 Janis Johnson <janis187@us.ibm.com>
682 Jim Wilson <wilson@redhat.com>
684 * doc/install.texi (Specific, ia64-*-linux): Document.
686 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
688 * Makefile.in (cfgrtl.o): Add.
689 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
690 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
691 free_aux_for_edge): Declare.
693 (HAVE_return): Undefine.
694 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
695 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
696 free_aux_for_edge): New global functions.
697 (first_delete_block): New static variable.
698 (init_flow): Clear first_delete_block.
699 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
700 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
701 try_redirect_by_replacing_jump, last_loop_beg_note,
702 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
703 delete_insn, delete_insn_chain, create_basic_block_structure,
704 create_basic_block, flow_delete_block, compute_bb_for_insn,
705 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
706 set_block_for_new_insns, split_block, merge_blocks_nomove,
707 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
708 redirect_edge_and_branch, force_nonfallthru_and_redirect,
709 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
710 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
711 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
712 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
713 purge_all_dead_edges): Move to ....
714 * cfgrtl.c: New file; .... Here.
716 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
717 (reroder_basic_block): Use alloc_aux_for_blocks.
718 * predict.c (estimate_bb_frequencies): Likewise; use
720 * profile.c (compute_branch_probabilities): Likewise.
721 (branch_prob): Likewise.
722 * reg-stack.c (reg_to_stack): Likewise.
724 * emit-rtl.c (emit_insns_after): Never return NULL.
726 * basic-block.h (set_block_for_new_insns): Delete.
727 * cfgrtl.c (set_block_for_new_insns): Delete.
729 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
730 calls when crossjumping.
732 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
733 * unroll.c (copy_loop_body): Use delete_insn.
735 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
736 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
737 keep_stack_depressed): Likewise.
738 * gcse.c (cprop_cc0_jump): Likewise.
739 * local-alloc.c (update_equiv_regs): Likewise.
740 * loop.c (scan_loop, loop_delete_insns): Likewise.
741 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
742 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
743 delete_output_reload, delete_address_reloads_1,
744 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
746 * sibcall.c (replace_call_placeholder): Likewise.
747 * cse.c (cse_insn): Likewise.
749 2001-09-25 Bernd Schmidt <bernds@redhat.com>
751 From Graham Stott <grahams@redhat.com>
752 (def_builtin): Only define builtins appropriate for target_flags. All
754 (builtin_decsription): Add new field mask which is used to determine
755 when to define the builtin via the macro def_builtin.
757 (bdesc_comi): Initialise new mask fields.
758 (bdesc_2srg): Likewise.
759 (bdesc_1arg): Likewise.
761 * config/i386/i386.c (ix86_init_builtins): Correct return type
762 building v4hi_ftype_v4hi_int_int tree node.
763 (ix86_expand_sse_comi): Fix typo swapping operands.
764 Don't swap comparision condition, it is already swapped.
765 (ix86_expand_sse_compare): Before swapping operands
766 move operand 1 into new rtx and not the target rtx.
767 Don't swap comparison condition, it is already swapped.
768 Always check whether we need to create a new TARGET.
770 * config/i386/i386.md: (sse_comi) Fix typos.
771 (sse_ucomi): Likewise.
772 (cvtss2si): Fix operand 0 contraint.
773 (cvttss2si): Likewise.
774 (sse_unpckhps): Fix mode for operand 2.
775 (sse_unpcklps): Likewise.
777 2001-09-25 Graham Stott <grahams@redhat.com>
779 * sibcall.c (skip_copy_to_return_value): Tighten return value
782 2001-09-24 David Edelsohn <edelsohn@gnu.org>
784 * rs6000.c (lwa_operand): Address must be word aligned.
786 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
788 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
790 (type_hash_mark): Mark type itself.
792 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
794 * c-lex.c (cb_def_pragma): Update.
795 (c_lex): Update, and skip padding.
796 * cppexp.c (lex, parse_defined): Update, remove unused variable.
797 * cpphash.h (struct toklist): Delete.
799 (struct cpp_context): Update.
800 (struct cpp_reader): New members eof, avoid_paste.
801 (_cpp_temp_token): New.
802 * cppinit.c (cpp_create_reader): Update.
803 * cpplex.c (_cpp_temp_token): New.
804 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
805 (cpp_output_token): Don't print leading whitespace.
806 (cpp_output_line): Update.
807 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
808 do_include_common, do_line, do_ident, do_pragma,
809 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
810 parse_assertion): Update.
811 (get_token_no_padding): New.
812 * cpplib.h (CPP_PADDING): New.
813 (AVOID_LPASTE): Delete.
814 (struct cpp_token): New union member source.
815 (cpp_get_token): Update.
816 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
817 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
818 replace_args, quote_string, stringify_arg, parse_arg, next_context,
819 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
820 _cpp_backup_tokens, _cpp_create_definition): Update.
821 (push_arg_context): Delete.
822 (padding_token, push_token_context, push_ptoken_context): New.
823 (make_string_token, make_number_token): Update, rename.
824 (cpp_get_token): Update to handle tokens as pointers to const,
825 and insert padding appropriately.
826 * cppmain.c (struct printer): New member prev.
827 (check_multiline_token): Constify.
828 (do_preprocessing, cb_line_change): Update.
829 (scan_translation_unit): Update to handle spacing.
830 * scan-decls.c (get_a_token): New.
831 (skip_to_closing_brace, scan_decls): Update.
832 * fix-header.c (read_scan_file): Update.
834 * doc/cpp.texi: Update.
836 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
838 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
839 leak by passing malloc'ed pointer to reconcat, not concat.
841 2001-09-24 DJ Delorie <dj@redhat.com>
843 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
845 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
847 * flow.c (delete_dead_jumptables): Delete jumptable if the only
848 reference is from the literal pool.
850 2001-09-24 Janis Johnson <janis187@us.ibm.com>
852 * doc/install.texi (Final install): Request additional information
853 in mail about successful builds.
855 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
857 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
858 initial value of return pointer register instead of value in frame-20.
861 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
863 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
864 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
865 the libcall if there isn't a referenced identifier for the symbol.
867 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
869 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
870 non 64-bit machines. Use these as a plabel for the trampoline.
871 (TRAMPOLINE_SIZE): Adjust size for new words.
872 (INITIALIZE_TRAMPOLINE): Initialize new words.
873 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
874 pointer to the plabel in the trampoline.
876 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
878 * pa.c (function_arg): Pass floating arguments in both general and
879 floating registers in indirect (dynamic) calls when generating code
880 for the 32 bit ABI and the HP assembler.
882 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
884 * doc/install.texi: Markup fixes.
885 Use Solaris 2, SunOS 4 as appropriate.
886 (Specific, *-*-solaris2*): Explain this.
887 Unconditionally warn against /usr/ucb tools.
888 Remove Sun as warning, obsolete.
889 Move X11 header bug workaround here, update patches.
890 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
891 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
893 2001-09-23 Zack Weinberg <zack@codesourcery.com>
895 * errors.h (warning, error, fatal, internal_error): Don't mark
896 with ATTRIBUTE_PRINTF_n.
897 * toplev.h (internal_error, fatal_io_error, warning, error,
898 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
899 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
902 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
904 * function.c (pop_function_context_from): var_refs_queue
905 and temp slots now in GC memory.
906 (mark_function_status, free_after_compilation): Likewise;
907 also struct function now in GC memory.
908 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
909 (combine_temp_slots): Likewise.
910 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
911 (prepare_function_start): Use GC memory for struct function.
912 (mark_temp_slot): Deleted.
913 (gcc_mark_struct_function): struct function now in GC memory.
915 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
916 code for division, not modulus.
918 * rtl.def (MEM): Remove obsolete part of comment.
920 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
922 * c-format.c (init_function_format_info): Check __builtin_printf
923 and __builtin_fprintf even if -ffreestanding. Check C99 functions
926 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
928 * c-common.c (format_attribute_table): Remove decl.
929 * tree.h (format_attribute_table, lang_attribute_table): New decls.
930 (lang_attribute_common): Likewise.
932 * function.c (fix_lexical_address): Use set_mem_alias_set.
933 (expand_function_start): Likewise.
934 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
936 * varasm.c (output_constant): Fix unused variable warning.
938 * attribs.c: New file, from c-common.c.
939 (attribute_tables): Now four elements.
940 (format_attribute_table, lang_attribute_common): New variables.
941 (init_attributes): Reflect above changes.
942 (handle_mode_attribute): Delete check for wider than uintmax.
943 * c-common.c: Delete parts moved to attribs.c.
944 (enum attrs): Deleted; unused.
945 (c_format_attribute_table): New variable.
946 (c_common_lang_init): Initialize format_attribute_table with it.
947 * c-common.h (decl_attributes): Remove decl.
948 * tree.h (decl_attribute): Move it to here.
949 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
950 (attribs.o): New rule.
952 2001-09-22 Andreas Jaeger <aj@suse.de>
954 * builtins.c (c_getstr): Remove unused variable.
956 2001-09-21 Richard Henderson <rth@redhat.com>
958 * reload1.c (reload): Use delete_insn instead of splatting
961 2001-09-21 Richard Henderson <rth@redhat.com>
963 * reload.c (push_secondary_reload): Don't check for "=" in output
964 constraint after ""->ALL_REGS check.
966 2001-09-21 Richard Henderson <rth@redhat.com>
968 * predict.c (expected_value_to_br_prob): Use pc_set.
970 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
971 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
973 2001-09-21 Richard Henderson <rth@redhat.com>
975 * rtl.h (LCT_RETURNS_TWICE): New.
976 * calls.c (emit_call_1): Set current_function_calls_setjmp for
978 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
979 to ECF_RETURNS_TWICE.
980 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
983 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
985 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
988 2001-09-21 Richard Henderson <rth@redhat.com>
990 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
993 2001-09-21 Richard Henderson <rth@redhat.com>
995 * tree.def (FDESC_EXPR): New.
996 * expr.c (expand_expr): Handle it.
997 * varasm.c (initializer_constant_valid_p): Likewise.
998 (output_constant): Likewise.
999 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1000 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1001 (ASM_OUTPUT_FDESC): New.
1002 * doc/tm.texi: Document the new macros.
1004 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1006 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1007 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1008 once merging is complete.
1010 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1012 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1014 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1016 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1017 that would be invalid after a merge.
1019 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1021 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1022 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1024 (flow_delete_insn): This one.
1025 (delete_insn_chain): Rename from ...; do not care labels.
1026 (flow_delete_insn_chain): ... this one.
1027 (flow_delete_block): Remove the insns one BB has been expunged.
1028 (merge_blocks_nomove): Likewise.
1029 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1030 updating BB boundaries.
1031 (tidy_fallthru_edge): Likewise.
1032 (commit_one_edge_insertion): Likewise.
1033 * cfgbuild.c (find_basic_block): Likewise.
1034 (find_basic_blocks_1): Likewise.
1035 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1036 (try_crossjump_to_edge): Likewise.
1037 (try_optimize_cfg): Likewise.
1038 * cse.c (delete_trivially_dead_insns): Likewise.
1039 * df.c (df_insn_delete): Likewise.
1040 * doloop.c (doloop_modify): Use delete_related_insns.
1041 * emit-rtl.c (try_split): Likewise.
1042 (remove_insn): Update BB boundaries.
1043 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1044 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1045 updating BB boundaries.
1046 (propagate_block_delete_insn): Likewise.
1047 (propagate_block_delete_libcall): Likewise.
1048 * function.c (delete_handlers): Use delete_related_insns.
1049 (thread_prologue_and_epilogue_insns): Likewise.
1050 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1051 * genpeep.c (gen_peephole): Use delete_related_insns.
1052 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1054 (find_cond_trap): Likewise.
1055 * integrate.c (save_for_inline): Use delete_related_insns.
1056 (copy_insn_list): Likewise.
1057 * jump.c (pruge_linie_number_notes): Likewise.
1058 (duplicate_loop_exit_test): Likewise.
1059 (delete_computation): Likewise.
1060 (delete_related_insn): Rename from ...; use delete_insn
1061 (delete_insn): ... this one.
1062 (redirect_jump): Use delete_related_insns.
1063 * loop.c (scan_loop): Likewise.
1064 (move_movables): Likewise.
1065 (find_and_verify_loops): Likewise.
1066 (check_dbra_loop): Likewise.
1067 * recog.c (peephole2_optimize): Likewise.
1068 * reg-stack.c (delete_insn_for_stacker): Remove.
1069 (move_for_stack_reg): Use delete_insn.
1070 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1071 * reload1.c (delete_address_reloads): Use delete_related_insns.
1072 (fixup_abnormal_edges): Use delete_insn.
1073 * recog.c (emit_delay_sequence): Use delete_related_insns.
1074 (delete_from-delay_slot): Likewise.
1075 (delete_scheduled_jump): likewise.
1076 (optimize_skip): Likewise.
1077 (try_merge_delay_insns): Likewise.
1078 (full_simple_delay_slots): Likewise.
1079 (fill_slots_from_thread): Likewise.
1080 (relax_delay_slots): Likewise.
1081 (make_return_insns): Likewise.
1082 (dbr_schedule): Likewise.
1083 * rtl.h (delete_insn): Rename to delete_related_insns.
1084 (delete_insn, delete_insn_chain): New prototypes.
1085 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1086 by df_insn_delete already.
1087 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1088 * ssa.c (convert_from_ssa): Use delete_related_insns.
1089 * unroll.c (unroll_loop): Likewise.
1090 (calculate_giv_inc): Likewise.
1091 (copy_loop_body): Likewise.
1093 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1094 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1095 ix86_return_in_memory, ix86_function_value): Declare.
1096 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1097 new static valurables.
1098 (x86_64_reg_class): New enum
1099 (x86_64_reg_class_name): New array.
1100 (classify_argument, examine_argument, construct_container,
1101 merge_classes): New static functions.
1102 (optimization_options): Enable flag_omit_frame_pointer and disable
1103 flag_pcc_struct_return on 64bit.
1104 (ix86_libcall_value, ix86_function_value,
1105 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1106 ix86_return_in_memory, ix86_function_value): New global functions.
1107 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1108 (function_arg_advance): Handle x86_64 passing conventions.
1109 (function_arg): Likewise.
1110 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1111 (RETURN_IN_MEMORY): Move offline.
1112 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1113 (FUNCTION_VALUE_REGNO_P): New macro.
1114 (FUNCTION_ARG_REGNO_P): Move offline.
1115 (struct ix86_args): Add maybe_vaarg.
1116 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1117 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1119 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1121 * s390.md: Changed attributes for scheduling.
1122 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1125 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1127 Table-driven attributes.
1128 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1129 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1130 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1131 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1132 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1133 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1134 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1135 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1136 * tree.h (struct tree_decl): Change machine_attributes to
1138 * doc/c-tree.texi: Document that all attributes are now attached
1140 * c-common.c (add_attribute, attrtab, attrtab_idx,
1141 default_valid_lang_attribute, valid_lang_attribute): Remove.
1142 (attribute_tables, attributes_initialized,
1143 c_common_attribute_table, default_lang_attribute_table): New
1145 (handle_packed_attribute, handle_nocommon_attribute,
1146 handle_common_attribute, handle_noreturn_attribute,
1147 handle_unused_attribute, handle_const_attribute,
1148 handle_transparent_union_attribute, handle_constructor_attribute,
1149 handle_destructor_attribute, handle_mode_attribute,
1150 handle_section_attribute, handle_aligned_attribute,
1151 handle_weak_attribute, handle_alias_attribute,
1152 handle_no_instrument_function_attribute,
1153 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1154 handle_no_limit_stack_attribute, handle_pure_attribute): New
1156 (init_attributes, decl_attributes): Rewrite to implement
1157 table-driven attributes.
1158 * c-common.h (enum attribute_flags): Move to tree.h.
1159 * c-format.c (decl_handle_format_attribute,
1160 decl_handle_format_arg_attribute): Rename to
1161 handle_format_attribute and handle_format_arg_attribute. Update
1162 for table-driven attributes.
1163 * c-common.h (decl_handle_format_attribute,
1164 decl_handle_format_arg_attribute): Remove prototypes.
1165 (handle_format_attribute, handle_format_arg_attribute): Add
1167 * c-decl.c (grokdeclarator): Handle attributes nested inside
1169 * c-parse.in (setattrs, maybe_setattrs): Remove.
1170 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1171 Update to handle nested attributes properly.
1172 (maybe_resetattrs, after_type_declarator,
1173 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1174 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1176 (make_pointer_declarator): Update to handle nested attributes
1178 * doc/extend.texi: Update documentation of limits of attributes
1179 syntax. Warn about problems with attribute semantics in C++.
1180 * target.h (struct target): Remove valid_decl_attribute and
1181 valid_type_attribute. Add attribute_table and
1182 function_attribute_inlinable_p.
1183 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1184 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1185 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1187 (TARGET_INITIALIZER): Update.
1188 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1190 (function_attribute_inlinable_p): New function. Check for the
1191 presence of any machine attributes before using
1192 targetm.function_attribute_inlinable_p.
1193 (function_cannot_inline_p): Update.
1194 * Makefile.in (integrate.o): Update dependencies.
1195 * doc/tm.texi: Update documentation of target attributes and
1196 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1197 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1199 (default_target_attribute_table,
1200 default_function_attribute_inlinable_p): New.
1201 (lookup_attribute): Update comment to clarify handling of multiple
1202 attributes with the same name.
1203 (merge_attributes, attribute_list_contained): Allow multiple
1204 attributes with the same name but different arguments to appear in
1205 the same attribute list.
1206 * tree.h (default_valid_attribute_p): Remove prototype.
1207 (struct attribute_spec): New.
1208 (default_target_attribute_table): Declare.
1209 (enum attribute_flags): Move from c-common.h. Add
1210 ATTR_FLAG_TYPE_IN_PLACE.
1211 (default_function_attribute_inlinable_p): Declare.
1212 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1213 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1214 (TARGET_ATTRIBUTE_TABLE): Define.
1215 (vms_attribute_table): New.
1216 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1217 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1218 (TARGET_ATTRIBUTE_TABLE): Define.
1219 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1220 * config/arm/arm.c (arm_valid_type_attribute_p,
1221 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1223 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1225 (TARGET_ATTRIBUTE_TABLE): Define.
1226 (arm_attribute_table, arm_handle_fndecl_attribute,
1227 arm_handle_isr_attribute): New.
1228 * config/avr/avr.c (avr_valid_type_attribute,
1229 avr_valid_decl_attribute): Remove.
1230 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1232 (TARGET_ATTRIBUTE_TABLE): Define.
1233 (avr_attribute_table, avr_handle_progmem_attribute,
1234 avr_handle_fndecl_attribute): New.
1235 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1236 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1237 (TARGET_ATTRIBUTE_TABLE): Define.
1238 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1239 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1240 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1241 (TARGET_ATTRIBUTE_TABLE): Define.
1242 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1243 h8300_handle_eightbit_data_attribute,
1244 h8300_handle_tiny_data_attribute): New.
1245 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1246 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1248 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1250 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1251 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1253 (TARGET_ATTRIBUTE_TABLE): Define.
1254 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1255 ix86_handle_regparm_attribute): New.
1256 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1257 i386_pe_valid_type_attribute_p): Remove.
1258 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1259 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1260 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1261 (TARGET_ATTRIBUTE_TABLE): Define.
1262 (ia64_attribute_table): New.
1263 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1264 interrupt_ident2, model_ident1, model_ident2): Remove.
1265 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1266 (TARGET_ATTRIBUTE_TABLE): Define.
1267 (init_idents): Update.
1268 (m32r_attribute_table, m32r_handle_model_attribute): New.
1269 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1271 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1272 (TARGET_ATTRIBUTE_TABLE): Define.
1273 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1274 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1275 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1276 (TARGET_ATTRIBUTE_TABLE): Define.
1277 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1278 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1279 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1280 (TARGET_ATTRIBUTE_TABLE): Define.
1281 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1282 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1283 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1284 (TARGET_ATTRIBUTE_TABLE): Define.
1285 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1286 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1287 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1288 (TARGET_ATTRIBUTE_TABLE): Define.
1289 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1290 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1292 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1294 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1295 (TARGET_ATTRIBUTE_TABLE): Define.
1296 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1298 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1299 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1300 (TARGET_ATTRIBUTE_TABLE): Define.
1301 (v850_attribute_table, v850_handle_interrupt_attribute,
1302 v850_handle_data_area_attribute): New.
1303 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1304 Return void. Call decl_attributes instead of
1305 valid_machine_attribute.
1307 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1309 * sh-protos.h (sh_pr_n_sets): Declare.
1310 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1311 look at the copy to determine if PR needs to be saved.
1312 sh_pr_n_sets: New function.
1313 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1314 (ALLOCATE_INITIAL_VALUE): Define.
1316 * sh.c (initial_elimination_offset):
1317 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1319 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1321 * integrate.c (allocate_initial_values): New function.
1322 * integrate.h (allocate_initial_values): Declare.
1323 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1325 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1327 * toplev.c (rest_of_compilation): To here.
1328 Call allocate_initial_values.
1329 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1331 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1333 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1335 2001-09-20 DJ Delorie <dj@redhat.com>
1337 * c-typeck.c (really_start_incremental_init): Discriminate
1338 between zero-length arrays and flexible arrays.
1339 (push_init_level): Detect zero-length arrays and handle them
1340 like fixed-sized arrays.
1341 * expr.c (store_constructor): Handle zero-length arrays and
1342 flexible arrays correctly.
1343 * doc/extend.texi: Update zero-length array notes.
1345 2001-09-20 Jim Wilson <wilson@redhat.com>
1347 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1348 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1349 for issue port conflicts.
1350 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1352 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1354 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1357 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1359 * fold-const.c (hashtab.h): Include.
1360 (int_const_binop): Remove FORSIZE arg and compute from type; all
1362 Call size_int_type_wide for all single-word constants.
1363 (size_htab_hash, size_htab_eq): New functions.
1364 (size_int_type_wide): Rework to use hash table.
1365 * ggc-common.c (hashtab.h): Include.
1366 (struct d_htab_root): New struct.
1367 (d_htab_roots): New variable.
1368 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1369 (ggc_mark_roots): Handle deletable htabs.
1370 * ggc-page.c (ggc_marked_p): New function.
1371 * ggc-simple.c (ggc_marked_p): Likewise.
1372 * ggc.h: Reformatting throughout.
1373 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1374 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1375 (type_hash_add): Allocate struct type_hash from GC memory.
1376 (mark_hash_entry, mark_type_hash): Deleted.
1377 (type_hash_marked_p, type_hash_mark): New functions.
1378 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1380 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1382 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1385 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1387 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1388 array-too-large test for signed sizetype.
1390 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1392 * i386.md (indirect_jump): Allow Pmode operand.
1393 (tablejump): LIkewise; perform expansion to 64bit mode.
1394 * i386.c (symbolic_operand): Allow 64bit PIC references.
1395 (pic_symbolic_operand): Likewise.
1396 (ix86_find_base_term): Strip the 64bit PIC references.
1397 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1398 (legitimize_pic_address): Likewise.
1399 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1400 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1402 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1404 * stringpool.c (get_identifier_with_length): New function.
1405 * tree.h (get_identifier_with_length): New prototype.
1407 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1408 David Edelsohn <edelsohn@gnu.org>
1411 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1412 already sign-extended.
1414 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1415 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1417 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1418 (output_profile_hook): Declare label_name const.
1419 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1420 to match constraints.
1422 2001-09-19 Stan Shebs <shebs@apple.com>
1424 * alias.c: Fix typos in comments.
1425 * sched-rgn.c (init_ready_list): Ditto.
1426 * unwind-dw2.c (uw_frame_state_for): Ditto.
1427 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1428 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1429 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1431 2001-09-19 Richard Henderson <rth@redhat.com>
1433 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1435 * Makefile.in (cfg.o): Depend on TM_P_H.
1437 2001-09-19 Richard Henderson <rth@redhat.com>
1439 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1440 (local_symbolic_operand): ... here.
1441 (small_symbolic_operand): Check mode.
1442 (global_symbolic_operand): New.
1443 (input_operand): Reject symbolics if explicit relocs.
1444 (call_operand): Tidy.
1445 (alpha_legitimize_address): Use movdi_er_high_g.
1446 (alpha_expand_mov): Likewise.
1447 * config/alpha/alpha-protos.h: Update.
1448 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1449 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1450 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1451 (UNSPECV_LDGP2): Remove.
1452 (all call patterns): Use 's' not 'i' for symbolic constraint.
1453 (call_osf call_value_osf): Use call_operand.
1454 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1455 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1456 (prologue_ldgp_1_er): Remove.
1457 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1458 (builtin_setjmp_receiver_er patterns): Use them.
1459 (exception_receiver_er): Likewise.
1461 2001-09-19 Richard Henderson <rth@redhat.com>
1463 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1465 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1466 and NON_LOCAL_GOTO notes.
1467 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1468 copy over CALL_INSN_FUNCTION_USAGE.
1470 2001-09-18 Catherine Moore <clm@redhat.com>
1472 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1475 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1477 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1478 new-style tm_file specification. Specify correct tm_p_file,
1479 md_file, and out_file for s390x.
1481 * config/s390/linux.h, linux64.h: Don't include other target
1482 macro header files. Now handled via tm_file.
1484 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1485 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1486 are defined before use.
1488 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1490 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1491 code generation only for Gnu assembler.
1493 2001-09-18 Catherine Moore <clm@redhat.com>
1495 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1497 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1499 * config/mips/mips.c (mips_frame_set): New.
1500 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1501 a parallel frame-related expression with a set for each register.
1503 2001-09-18 Philip Blundell <philb@gnu.org>
1505 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1508 2001-09-17 Dale Johannesen <dalej@apple.com>
1510 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1511 * config/rs6000/aix.h (FIXED_R2): Define.
1512 * config/rs6000/darwin.h (FIXED_R2): Define.
1513 * config/rs6000/sysv4.h (FIXED_R2): Define.
1515 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1517 * except.c (dw2_build_landing_pads): New local
1518 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1519 barrier after clobbers. Fixes c++/4012.
1521 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1523 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1525 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1527 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1528 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1530 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1532 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1535 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1537 * cpphash.h (_cpp_lex_direct): New.
1538 * cpplex.c (_cpp_lex_token): Update.
1539 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1540 and increment that pointer.
1541 * cppmacro.c (alloc_expansion_token): New.
1542 (lex_expansion_token): Lex macro expansion directly into
1545 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1547 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1549 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1551 * basic-block.h (free_bb_for_insn): Declare.
1552 * bb-reorder.c (label_for_bb): Use block_label.
1553 (emit_jump_to_block_after): Remove.
1554 (insert_intra_1): Do not update block_for_insn.
1555 (insert_inter_bb_scope_notes): Likewise; update bb->end
1556 * cfg.c (free_bb_for_insn): New.
1557 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1558 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1559 (commit_one_edge_insertion): Likewise.
1560 (commit_one_edge_insertion): Do not update BB boundary.
1561 (commit_edge_insertions): Do not call compute_bb_for_insn.
1562 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1563 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1564 (merge_blocks_move_successor_nojumps): Likewise.
1565 (try_crossjump_to_edge): Do not update block_for_insn.
1566 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1567 * df.c (df_pattern_emit_later): Do not update BB boundary.
1568 (df_jump_pattern_emit_after): Likewise.
1569 (df_insn_move_before): Use emit_insn_before.
1570 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1572 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1573 boundaries and basic_block_for_insn.
1574 (reorder_insns_nobb): Rename from reorder_insns.
1575 (reorder_insns): New.
1576 (emit_block_insn_before, emit_block_insn_after): Kill.
1577 * flow.c (check_function_return_warnings): Do not call
1578 compute_bb_for_insn; Do not free basic_block_for_insn.
1579 (attempt_auto_inc): Do not update basic_block_for_insn.
1580 * function.c (emit_return_into_block): Likewise;
1581 do not update BB boundaries.
1582 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1583 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1584 (pre_insert_copy_insn): Likewise.
1585 (update_ld_motion_notes): Likewise.
1586 (insert_insn_start_bb): Likewise.
1587 (replace_store_insn): Likewise.
1588 * ifcvt.c (noce_process_if_block): Likewise.
1589 (if_convert): Do not call compute_bb_for_insn.
1590 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1591 Use emit_insn_before and emit_insn_after.
1592 * recog.c (split_all_insns): Do not update BB boundaries;
1593 Do not call compute_bb_for_insn.
1594 (peephole2_optimize): Do not update BB boundaries.
1595 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1597 (emit_swap_insn): Likewise.
1598 (convert_regs_1): Likewise.
1599 * reload1.c (reload): Call compute_bb_for_insn.
1600 * rtl.h (reorder_insns_nobb): Declare.
1601 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1602 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1603 at places CFG is invalidated; do not call compute_bb_for_insn.
1605 * cfg.c (expunge_block): Invalidate BB structure.
1607 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1610 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1612 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1614 * cpphash.h (_cpp_lex_token): Update prototype.
1615 * cpplex.c (_cpp_lex_token): New prototype.
1616 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1617 lex_macro_node, read_flag, do_pragma_poison): Update.
1618 * cppmacro.c (cpp_get_token, parse_params,
1619 lex_expansion_token): Update.
1621 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1623 * cppmain.c (scan_translation_unit): Don't worry about
1624 putting a space after hashes.
1625 * cpplib.c (directive_diagnostics): New.
1626 (_cpp_handle_directive): Update to use directive_diagnostics.
1627 (run_directive): Don't toggle prevent_expansion.
1628 (do_line): Backup in case of the line extension.
1629 * cpplib.h (cpp_lexer_pos): Remove.
1630 * cppmacro.c (_cpp_create_definition): Precede a leading #
1633 2001-09-15 Richard Henderson <rth@redhat.com>
1635 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1637 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1639 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1641 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1643 PR preprocessor/3571
1644 * tradcpp.c (handle_directive): Skip non-vertical space.
1646 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1648 * cppmain.c (setup_callbacks): Set line callback only
1649 if outputting preprocessed source.
1651 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1653 * collect2.c (main): Const-ification.
1654 * gcc.c (translate_options, process_command): Use xstrdup in
1655 lieu of xmalloc/strcpy.
1656 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1658 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1660 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1663 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1665 * scan-decls.c (scan_decls): Fix typo.
1667 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1669 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1670 Split mlstring_pos into mls_line and mls_col.
1671 * cppinit.c (cpp_create_reader): Initialize line to 1.
1672 (cpp_destroy): Free tokenruns.
1673 (push_include): Don't update lexer_pos.
1674 * cpplex.c (unterminated, parse_string): Update.
1675 (lex_token): Don't update lexer_pos, update.
1676 * cpplib.c (if_stack): Save line instead of line + col.
1677 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1678 push_conditional, _cpp_pop_buffer): Update.
1679 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1680 (_cpp_create_definition): Update.
1682 2001-09-15 Eric Christopher <echristo@redhat.com>
1684 * config/mips/abi64.h: Add support for MEABI.
1686 2001-09-15 Eric Christopher <echristo@redhat.com>
1688 * config/mips/mips.md: Add unspec #2.
1690 (reload_outdi): Ditto.
1691 (reload_outsi): Ditto.
1694 2001-09-15 Eric Christopher <echristo@redhat.com>
1695 Jason Eckhardt <jle@redhat.com>
1697 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1698 * config/mips/isa32-linux.h: New file.
1699 * config/mips/isa3264.h: Ditto.
1700 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1701 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1702 (output_block_mode): Support MEABI.
1703 (function_arg): Ditto. Fix floating point arg passing.
1704 (mips_va_start): Ditto.
1705 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1707 (mips_asm_file_start): Add new section to pass abi to gdb.
1708 (function_arg_pass_by_reference): Support MEABI.
1709 (mips_parse_cpu): Support mips32 and mips64 processors.
1710 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1711 TARGET_MIPS5KC. Support isa32 and isa64.
1712 (processor_type): Add r4kc, r5kc, r20kc.
1713 (GENERATE_MULT3_SI): New.
1714 (GENERATE_MULT3_DI): Ditto.
1715 (GENERATE_MULT3): Remove.
1716 (ISA_HAS_64BIT_REGS): Add isa == 64.
1717 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1718 (ISA_HAS_MADD_MSUB): New.
1719 (ISA_HAS_CLZ_CLO): Ditto.
1720 (ISA_HAS_DCLZ_DCLO): Ditto.
1721 (ABI_GAS_ASM_SPEC): New.
1722 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1725 (SUBTARGET_CC1_SPEC): Ditto.
1726 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1727 (PAD_VARARGS_DOWN): Support MEABI.
1728 (HARD_REGNO_NREGS): Move to mips.c.
1729 (ASM_OUTPUT_IDENT): Add #undef.
1730 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1731 (mulsi3): Use GENERATE_MULT3_SI.
1732 (mulsi3_mult3): Ditto. Support mips32, mips64.
1733 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1734 (mul_sub_si): New pattern.
1735 (unnamed splitters): New.
1736 (muldi3): Use GENERATE_MULT3_DI.
1737 (muldi3_internal2): Ditto.
1738 (movdicc): Support mips32.
1739 * config/mips/t-isa3264: New file.
1741 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1743 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1744 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1745 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1747 * reorg.c (fill_slots_from_thread): After call to
1748 steal_delay_list_from_target, update own_thread as new_thread may
1751 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * cpperror.c (print_location): Take line and column, for
1754 default positioning use the previously lexed token.
1755 (_cpp_begin_message): Take line and column.
1756 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1757 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1758 * cpphash.h (_cpp_begin_message): Update prototype.
1759 * cppinit.c (push_include): Don't set output line.
1760 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1761 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1762 (do_pragma): Kludge for front ends. Don't expand macros at all.
1763 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1764 (struct cpp_token): Remove output_line.
1765 (struct cpp_callbacks): New member line_change.
1766 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1767 cpp_get_token): Preserve BOL flag.
1768 (cpp_get_line): Remove.
1769 (_cpp_backup_tokens): Remove useless abort().
1770 * cppmain.c (cb_line_change): New.
1771 (scan_translation_unit): Don't worry about starting new lines here.
1772 * scan-decls.c (scan_decls): Update.
1773 * c-lex.c (c_lex, init_c_lex): Update.
1774 (cb_line_change, src_lineno): New.
1776 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1778 * tree.c (append_random_chars): Generate the random
1779 characters in a reproducable fashion.
1781 2001-09-14 Richard Henderson <rth@redhat.com>
1783 * config/i386/i386.c (internal_label_prefix): New.
1784 (internal_label_prefix_len): New.
1785 (override_options): Set them.
1786 (local_symbolic_operand): New.
1787 (legitimate_pic_address_disp_p): Use it.
1788 (legitimize_pic_address): Likewise.
1790 2001-09-14 Marc Espie <espie@openbsd.org>
1792 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1795 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1797 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1798 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1800 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1802 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1803 invocation of SUBREG_REGNO_OFFSET.
1805 * haifa-sched.c: Fix typo in FSF copyright statement.
1806 * sched-deps.c: Fix typo in FSF copyright statement.
1807 * sched-ebb.c: Fix typo in FSF copyright statement.
1808 * sched-rgn.c: Fix typo in FSF copyright statement.
1809 * sched-vis.c: Fix typo in FSF copyright statement.
1811 * config.gcc: Move inclusion of arm elf specific header files
1812 from the files themselves into the tm_file variable. Make
1813 sure that elfos.h is included before target specific elf
1815 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1817 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1818 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1819 ASM_OUTPUT_CASE_LABEL): Protect definition.
1820 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1821 not already defined.
1822 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1823 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1824 Remove duplicate definition.
1825 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1826 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1827 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1828 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1829 Remove inclusion of arm/elf.h.
1830 * config/arm/unknown-elf.h: as for conix-elf.h.
1831 (STARTFILE_SPEC): Include crti.o and crtn.o.
1832 * config/arm/linux-elf.h: as for conix-elf.h.
1833 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1834 * config/arm/strongarm-elf.h: Remove inclusion of
1836 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1837 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1838 unknown-elf.h and elf.h.
1839 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1840 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1841 ASM_WEAKEN_LABEL): Remove redundant definition.
1842 * config/arm/elf.h: Test for inclusion of elfos.h
1843 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1844 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1845 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1846 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1847 redundant definition.
1848 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1849 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1850 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1851 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1852 Add rules to build crti.o and crtn.o
1853 * crti.asm: New file.
1854 * crtn.asm: New file.
1856 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1858 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1859 * cpphash.h (struct tokenrun): Add prev.
1860 (struct lexer_state): Remove bol.
1861 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1862 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1864 * cppinit.c (cpp_create_reader): Don't set bol.
1865 (cpp_destroy): Don't free lookaheads.
1866 * cpplex.c (lex_directive): Remove.
1867 (next_tokenrun): Update.
1868 (_cpp_lex_token): Clean up logic.
1869 (lex_token): Update to return a pointer to lexed token, since it
1870 can move to the start of the buffer. Simpify newline handling.
1871 * cpplib.c (SEEN_EOL): Update.
1872 (skip_rest_of_line): Remove lookahead stuff.
1873 (end_directive): Line numbers are already incremented. Revert
1874 to start of lexed token buffer if we can.
1875 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1876 parse_answer): Use _cpp_backup_tokens.
1877 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1878 instead. Don't check for EOL.
1879 (do_include_common, do_line, do_pragma_system_header): Use
1881 * cpplib.h (BOL, _cpp_backup_tokens): New.
1882 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1883 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1884 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1885 (builtin_macro): Don't use cpp_get_line.
1886 (cpp_get_line): Short term kludge.
1887 (parse_arg): Handle directives in arguments here. Back up when
1888 appropriate. Store EOF at end of argument list.
1889 (funlike_invocation_p): Use _cpp_backup_tokens.
1890 (push_arg_context): Account for EOF at end of list.
1891 (cpp_get_token): Remove lookahead stuff. Update.
1893 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1895 * c-parse.in (yyerror): Const-ification and/or static-ization.
1896 * c-typeck.c (push_member_name): Likewise.
1897 * collect2.c (main): Likewise.
1898 * dbxout.c (dbxout_parms): Likewise.
1899 * diagnostic.c (format_with_decl): Likewise.
1900 * dwarf2out.c (output_ranges): Likewise.
1901 * dwarfout.c (fundamental_type_code): Likewise.
1902 * except.c (dw2_output_call_site_table): Likewise.
1903 * gcc.c (do_spec_1): Likewise.
1904 * genopinit.c (optabs): Likewise.
1905 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1906 gen_declaration_1, handle_impent): Likewise.
1907 * protoize.c (default_include, in_system_include_dir, abspath):
1909 * sched-vis.c (visualize_stall_cycles): Likewise.
1910 * sdbout.c (plain_type_1, sdbout_end_function,
1911 sdbout_end_epilogue): Likewise.
1912 * varasm.c (decode_reg_name): Likewise.
1914 * 1750a.c (mod_regno_adjust): Likewise.
1915 * alpha.c (alpha_write_one_linkage,
1916 unicosmk_output_default_externs): Likewise.
1917 * arm.c (arm_condition_codes): Likewise.
1918 * arm.h (arm_condition_codes): Likewise.
1919 * avr.c (output_movsisf, encode_section_info): Likewise.
1920 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1922 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1923 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1924 * m88k.c (output_function_profiler): Likewise.
1925 * mips.c (mips_output_conditional_branch): Likewise.
1926 * ns32k.c (ns32k_out_reg_names): Likewise.
1927 * ns32k.h (ns32k_out_reg_names): Likewise.
1928 * pj.c (pj_output_rval): Likewise.
1929 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1930 * sparc.c (sparc_flat_function_prologue,
1931 sparc_flat_function_epilogue): Likewise.
1933 2001-09-13 Markus Werle <numerical.simulation@web.de>
1934 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1936 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1937 Aachen University of Technology".
1939 2001-09-13 Andreas Schwab <schwab@suse.de>
1941 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1944 2001-09-13 Richard Henderson <rth@redhat.com>
1946 * config/alpha/alpha.c (small_symbolic_operand): New.
1947 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1948 (some_operand, input_operand): Don't handle HIGH.
1949 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1950 (alpha_expand_mov): Likewise.
1951 (print_operand) [H]: Just print HIGH symbol.
1952 (print_operand_address): Handle small data.
1953 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1954 (TARGET_SWITCHES): Add -msmall-data/large-data.
1955 (PIC_OFFSET_TABLE_REGNUM): New.
1956 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1957 (PREDICATE_COES): Update.
1958 * config/alpha/alpha.md (adddi_er_high): New.
1959 (adddi_er_low): Handle small data.
1960 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1961 prefer .sdata to .rodata.
1962 (SELECT_RTX_SECTION): Likewise.
1964 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1966 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1967 defining __size_t and leaving size_t undefined.
1969 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1971 * basic-block.h (expunge_block): Declare.
1972 * cfg.c (expunge_block): Remove static declaration.
1974 2001-09-12 Richard Henderson <rth@redhat.com>
1976 * integrate.c (copy_insn_list): Copy label name from
1977 NOTE_INSN_DELETED_LABEL.
1979 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1981 * c-common.c (c_tree_code_name): Const-ification.
1982 * c-decl.c (c_decode_option): Likewise.
1983 * c-typeck.c (warn_for_assignment): Likewise.
1984 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1986 * cppinit.c (output_deps): Likewise.
1987 * dependence.c (dependence_string, direction_string): Likewise.
1988 * dwarf2out.c (output_ranges): Likewise.
1989 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1990 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1991 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1992 standard_startfile_prefix, standard_startfile_prefix_1,
1993 standard_startfile_prefix_2, tooldir_base_prefix,
1994 standard_bindir_prefix, find_a_file): Likewise.
1995 * genattrtab.c (make_length_attrs): Likewise.
1996 * gencheck.c (tree_codes): Likewise.
1997 * genemit.c (gen_split): Likewise.
1998 * genrecog.c (special_mode_pred_table): Likewise.
1999 * graph.c (graph_ext): Likewise.
2000 * protoize (default_include): Likewise.
2001 * reload.c (reload_when_needed_name): Likewise.
2002 * sched-vis.c (visualize_stall_cycles): Likewise.
2003 * tlink.c (recompile_files): Likewise.
2004 * toplev.c (decode_g_option): Likewise.
2005 * tradcpp.c (output_deps): Likewise.
2006 * varasm.c (decode_reg_name): Likewise.
2008 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2011 * avr.c (avr_regnames, encode_section_info): Likewise.
2012 * c4x.c (float_reg_names): Likewise.
2013 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2014 * elfos.h (const_section): Likewise.
2015 * i386.c (ix86_comp_type_attributes): Likewise.
2016 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2017 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2018 * ia64.c (type_names): Likewise.
2019 * m68hc11.c (reg_class_names): Likewise.
2020 * m88k.c (m_options): Likewise.
2021 * mips.c (mips_output_conditional_branch, mips_unique_section):
2023 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2024 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2025 ultra_code_names): Likewise.
2026 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2028 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2030 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2031 Use --fatal-warnings option for gas.
2032 * configure: Rebuilt.
2034 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2036 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2038 2001-09-11 Jim Wilson <wilson@redhat.com>
2040 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2042 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2044 * builtins.c (c_strlen): Treat an offset too large for a
2045 HOST_WIDE_INT as out of range.
2047 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2049 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2050 (EDGE_CRITICAL_P): New predicate.
2051 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2053 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2054 (dump_edge_info): Remove "crit".
2055 * cfganal.c (mark_critical_edges): Kill.
2056 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2057 * cfgcleanup.c (cleanup_cfg): Likewise.
2058 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2059 (find_spanning_tree): Likewise.
2060 * reg-stack.c (convert_regs_1): Likewise.
2061 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2063 * basic-block.h (create_basic_block_structure): New.
2064 (create_basic_block): Update prototype.
2065 (force_nonfallthru): New.
2066 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2067 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2068 handle updating of block_for_insn, creating of empty BBs and BBs at
2069 the end of INSN chain.
2070 (create_basic_block): New function.
2071 (split_block): Use create_basic_block.
2072 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2073 (redirect_edge_and_branch_force): ... here.
2074 (force_nonfallthru): New.
2075 (split_edge): Rewrite to use force_nonfallthru and create_block.
2076 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2077 (find_basic_blocks): Free basic_block_for_insn.
2078 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2080 * cfg.c: Fix formating.
2081 * cfgcleanup.c: Fix formating.
2082 (merge_blocks, tail_recursion_label_p): Return bool.
2083 (merge_blocks_move_predecessor_nojumps,
2084 merge_blocks_move_successor_nojumps): Return void.
2086 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2088 * configure.in: Check whether assembler supports section merging.
2089 * config.in: Rebuilt.
2090 * configure: Rebuilt.
2091 * varasm.c (variable_section, output_constant_pool): Pass alignment
2092 to SELECT_SECTION and SELECT_RTX_SECTION.
2093 (mergeable_string_section): New.
2094 (mergeable_constant_section): New.
2095 (default_elf_asm_named_section): Output SECTION_MERGE and
2096 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2097 * output.h (mergeable_string_section): New.
2098 (mergeable_constant_section): New.
2099 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2100 * toplev.c (flag_merge_constants): New.
2101 (f_options): Add -fmerge-constants and -fmerge-all-constants
2103 (toplev_main): Default to -fno-merge-constants if not optimizing.
2104 * flags.h (flag_merge_constants): Add extern.
2105 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2106 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2108 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2109 Define if assembler has working .subsection -1 support.
2110 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2111 Put constant into special SHF_MERGE sections if the linker should
2112 attempt to merge duplicates.
2113 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2115 Put constant into special SHF_MERGE sections if the linker should
2116 attempt to merge duplicates.
2117 * config/alpha/elf.h: Likewise.
2118 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2119 has working .subsection -1 support.
2120 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2122 * config/svr3.h: Likewise.
2123 * config/darwin.h: Likewise.
2124 * config/arm/aof.h: Likewise.
2125 * config/arm/linux-elf.h: Likewise.
2126 * config/avr/avr.h: Likewise.
2127 * config/c4x/c4x.h: Likewise.
2128 * config/d30v/d30v.h: Likewise.
2129 * config/i386/dgux.h: Likewise.
2130 * config/i386/osfrose.h: Likewise.
2131 * config/i386/sco5.h: Likewise.
2132 * config/i386/svr3gas.h: Likewise.
2133 * config/ia64/aix.h: Likewise.
2134 * config/m32r/m32r.h: Likewise.
2135 * config/m68k/m68k.h: Likewise.
2136 * config/m88k/dgux.h: Likewise.
2137 * config/m88k/m88k.h: Likewise.
2138 * config/mcore/mcore-pe.h: Likewise.
2139 * config/mips/mips.h: Likewise.
2140 * config/pa/pa.h: Likewise.
2141 * config/pa/pa-linux.h: Likewise.
2142 * config/romp/romp.h: Likewise.
2143 * config/rs6000/sysv4.h: Likewise.
2144 * config/rs6000/xcoff.h: Likewise.
2145 * config/s390/linux.h: Likewise.
2146 * config/sparc/sparc.h: Likewise.
2147 * config/sparc/sysv4.h: Likewise.
2148 * config/stormy16/stormy16.h: Likewise.
2149 * config/v850/v850.h: Likewise.
2150 * config/vax/vms.h: Likewise.
2151 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2152 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2153 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2154 default_elf_asm_named_section for SHF_MERGE sections.
2156 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2158 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2161 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2163 * c-common.c (split_specs_attrs): Allow for empty attributes with
2164 empty TREE_PURPOSE. Fixes PR c/4294.
2166 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2168 * basic-block.h (cached_make_edge, make_single_succ): New.
2169 (make_edge): Remove first parameter.
2170 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2171 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2172 created edge; use obstack allocation.
2173 (make_edge, make_single_succ_edge): New.
2174 (first_removed_edge): New static variable.
2175 (init_flow): Initialize first_removed_edge and n_edges.
2176 (clear_edges): Use remove_edge.
2177 (flow_delete_block): Likewise.
2178 (remove_edge): Add removed edges to the removed edges list.
2179 (split_block, redirect_edge_and_branch_force, split_edge):
2181 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2182 (add_noreturn_fake_exit_edges): Likewise.
2183 (connect_infinite_loops_to_exit): Liekwise.
2184 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2185 Use cached_make_edge.
2186 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2187 * profile.c (branch_prob): Update make_edge call.
2188 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2190 2001-09-11 Richard Henderson <rth@redhat.com>
2192 * config/alpha/alpha.c: Tidy formatting.
2193 (local_symbolic_operand): Verify mode.
2194 (alpha_sa_mask): Ignore unicos for eh_return.
2195 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2196 * config/alpha/alpha.md (umk divsi patterns): Remove.
2197 (extendsfdf2): Remove unicos check.
2198 (tablejump): Merge vms and unicos code; always use direct set
2201 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2203 * config.gcc (alpha*-*-unicosmk*): New target.
2205 * config/alpha/alpha-protos.h (symbolic_operand,
2206 unicosmk_add_call_info_word, unicosmk_add_extern,
2207 unicosmk_defer_case_vector, unicosmk_unique_section,
2208 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2209 unicosmk_asm_file_start, unicosmk_asm_file_end,
2210 unicosmk_output_common): Declare.
2212 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2213 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2214 alpha_does_function_need_gp, alpha_end_function): Support Cray
2216 (alpha_init_machine_status, alpha_mark_machine_status,
2217 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2218 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2219 unicosmk_asm_named_section, unicosmk_insert_attributes,
2220 unicosmk_section_type_flags, symbolic_operand,
2221 unicosmk_output_module_name, unicosmk_output_default_externs,
2222 unicosmk_output_dex, unicosmk_output_externs,
2223 unicosmk_output_addr_vec, unicosmk_ssib_name,
2224 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2225 unicosmk_asm_file_end, unicosmk_output_common,
2226 unicosmk_section_type_flags, unicosmk_unique_section,
2227 unicosmk_add_call_info_word, unicosmk_text_section,
2228 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2229 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2230 unicosmk_dex_count, unicosmk_special_name): New.
2231 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2232 TARGET_ABI_UNICOSMK.
2233 (get_aligned_mem, alpha_expand_unaligned_load,
2234 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2235 alpha_expand_unaligned_store_words): Support big-endian mode.
2236 (print_operand): Likewise. New format specifier 't'. Use
2237 TARGET_AS_SLASH_BEFORE_SUFFIX.
2238 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2239 (alpha_pv_save_size): Update with above change.
2240 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2241 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2244 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2245 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2246 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2247 (EXTRA_CONSTRAINT): New constraint 'U'.
2248 (PREDICATE_CODES): Add symbolic_operand.
2250 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2251 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2252 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2253 (integer division and modulus patterns): Split in default and
2255 (*divmodsi_internal, *divmoddi_internal): Disable for
2256 TARGET_ABI_UNICOSMK.
2257 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2258 little-endian and big-endian versions.
2259 (ext, ins, msk): Likewise.
2260 (extv, extzv, insv): Support big-endian mode.
2261 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2262 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2263 *tablejump_umk_internal, *call_value_umk): New.
2264 (*movdi_nofix): Add pattern for loading an address into a register on
2265 TARGET_ABI_UNICOSMK.
2266 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2267 (umk_mismatch_args, arg_home_umk): New.
2268 (various insns): Don't use mov, fmov, nop, fnop and unop.
2269 (realign): Support TARGET_ABI_UNICOSMK.
2271 * config/alpha/unicosmk.h: New file.
2272 * config/alpha/t-unicosmk: New file.
2274 * fixinc/inclhack.def (unicosmk_restrict): New.
2275 * fixinc/fixincl.x: Regenerate.
2277 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2278 (wchar_t): Check for and define __WCHAR_T__.
2280 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2282 * combine.c (simplify_shift_const): Treat shifts by the mode
2285 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2287 * cpphash.h (struct tokenrun): New.
2288 (struct cpp_context): New member bol.
2289 (struct cpp_reader): New members.
2290 (_cpp_init_tokenrun): New.
2291 * cppinit.c (cpp_create_reader): Set up the token runs.
2292 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2293 (lex_token): New internalised version of _cpp_lex_token. Don't
2294 handle directives or the multiple include opimisation here any
2295 more. Simply lex a token.
2296 * cpplib.c (run_directive): Clear bol.
2297 (_cpp_pop_buffer): Set bol.
2298 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2301 2001-09-11 Michael Meissner <meissner@redhat.com>
2303 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2304 give an error if the user uses -mfp32.
2305 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2307 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2308 floating point register size.
2309 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2311 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2312 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2314 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2315 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2317 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2319 * dbxout.c (dbxout_parms): Fix typo in comment.
2320 * unroll.c (loop_find_equiv_value): Ditto.
2321 * toplev.c (rest_of_compilation): Ditto.
2322 * loop.c (scan_loop): Ditto.
2323 * dwarf2out.c (struct dw_fde_struct): Ditto.
2325 2001-09-10 Zack Weinberg <zackw@panix.com>
2327 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2328 copying identifier when we're just going to throw it away.
2329 (parse_identifier_slow): New routine to handle abnormal cases.
2330 (_cpp_lex_token): Update call site.
2332 * hashtable.c (ht_lookup): Don't assume that the string we've
2333 been given is NUL-terminated.
2334 * system.h: #define __builtin_expect(a, b) to (a) if not
2337 2001-09-10 Michael Meissner <meissner@redhat.com>
2339 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2342 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2344 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2346 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2348 * builtins.c (c_getstr): Correct thinko in last change and further
2351 2001-09-10 Tim Freeman <tim@fungibole.com>
2353 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2354 into varray's and register them as roots with the garbage
2355 collector so they are not collected too soon.
2357 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2359 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2361 * basic-block.h (flow_obstack, label_value_list,
2362 tail_recursion_label_list): Declare
2363 (tidy_fallthru_edges): Declare.
2364 (expunge_block, last_loop_beg_note): Delete.
2365 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2367 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2368 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2369 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2370 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2371 expunge_block, flow_delete_block, compute_bb_for_insn,
2372 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2373 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2374 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2375 try_redirect_by_replacing_jump, last_loop_beg_note,
2376 redirect_edge_and_branch, redirect_edge_and_branch_force,
2377 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2378 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2379 commit_edge_insertions, dump_flow_info, debug_flow_info,
2380 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2381 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2382 Move here from flow.c
2383 * cfganal.c: New file.
2384 (forwarder_block_p, can_fallthru, mark_critical_edges,
2385 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2386 find_unreachable_blocks, create_edge_list, free_edge_list,
2387 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2388 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2389 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2390 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2391 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2392 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2393 Move here from flow.c
2394 * cfgbuild.c: New file
2395 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2396 make_edges, find_basic_blocks_1, find_basic_blocks,
2397 find_sub_basic_blocks): Move here from flow.c
2398 * cfgcleanup.c: New file.
2399 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2400 merge_blocks_move_predecessor_nojumps,
2401 merge_blocks_move_successor_nojumps, merge_blocks,
2402 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2403 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2404 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2406 * cfgloop.c: New file
2407 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2408 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2409 flow_loop_exit_edges_find, flow_loop_nodes_find,
2410 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2411 flow_loop_tree_node_add, flow_loops_tree_build,
2412 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2413 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2414 Move here from flow.c
2415 * flow.c: Remove everything moved elsewhere
2416 * output.h (cleanup_cfg): Return bool.
2418 * bb-reorder.c (reorder_block_def): Remove 'index'.
2419 (insert_intra_1): Add argument BB, set block for new note.
2420 (make_reorder_chain): Do not depdent on BB indexes.
2421 (make_reorder_chain_1): Do not use BB indexes.
2422 (label_for_bb): Likewise; set BB for new insn.
2423 (emit_jump_to_block_after): Likewise.
2424 (fixup_reoder_chain): Sanity check that all basic blocks
2425 are chained; verify newly created insn chain; remove
2426 undocnitional jump simplifying; Do not use BB indexes;
2427 properly initialize count and frequency information;
2428 dump reordered sequence.
2429 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2430 (insert_inter_bb_scope_notes): Set block for new insn.
2431 (reorder_basic_blocks): Dump flow info before reoredering.
2433 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2435 * alias.c (clear_reg_alias_info): Use K&R format definition.
2436 Avoid unsigned warning.
2437 * builtins.c: Use "unsigned int", not "unsigned".
2438 (target_char_cast): Use host_integerp and tree_low_cst.
2439 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2440 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2441 (c_getstr): Likewise.
2442 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2443 (builtin_memcpy_read_str): Avoid unsigned warning.
2444 (expand_builtin_memcpy): Alignments are unsigned.
2445 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2446 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2447 * predict.c (expensive_function_p): LIMIT now unsigned.
2448 * resource.c (mark_target_live_regs): Make some vars unsigned.
2449 * sdbout.c: Use "unsigned int", not "unsigned".
2450 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2451 (sdbout_source_line): Likewise.
2452 (sdbout_record_type_name): Remove "const" for NAME declaration.
2453 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2455 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2457 * calls.c (store_one_arg): Expand comment.
2459 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2461 * calls.c (store_one_arg): Make sure that the entire argument is
2462 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2464 2001-09-09 Richard Henderson <rth@redhat.com>
2466 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2468 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2470 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2472 2001-09-09 Richard Henderson <rth@redhat.com>
2474 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2475 (alpha_this_literal_sequence_number): New.
2476 (alpha_this_gpdisp_sequence_number): New.
2477 (some_operand, input_operand): Add HIGH.
2478 (local_symbolic_operand): New.
2479 (alpha_encode_section_info): New.
2480 (alpha_legitimate_address_p): Allow LO_SUM.
2481 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2482 (alpha_expand_mov): Likewise.
2483 (secondary_reload_class): Check memory_operand not general_operand
2485 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2486 (alpha_expand_unaligned_store): Likewise.
2487 (alpha_expand_unaligned_load_words): Likewise.
2488 (alpha_expand_unaligned_store_words): Likewise.
2489 (alpha_expand_block_clear): Likewise.
2490 (print_operand): Handle %#, %*, %H.
2491 (print_operand_address): Handle LO_SUM.
2493 (alpha_does_function_need_gp): Use it.
2494 (alpha_expand_block_move): Fix signed compare warnings.
2495 (alpha_sa_mask, alpha_align_insns): Likewise.
2496 * config/alpha/alpha-protos.h: Update.
2497 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2498 (MASK_EXPLICIT_RELOCS): New.
2499 (TARGET_SWITCHES): Add -mexplicit-relocs.
2500 (EXTRA_CONSTRAINT): Add 'T'.
2501 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2502 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2503 (ENCODE_SECTION_INFO): Out line.
2504 (REDO_SECTION_INFO_P): New.
2505 (STRIP_NAME_ENCODING): New.
2506 (ASM_OUTPUT_LABELREF): New.
2507 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2508 (PREDICATE_CODES): Update.
2509 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2510 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2511 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2512 builtin_setjmp_receiver_er, exception_receiver_1_er,
2513 call_value_osf_1_er): New patterns.
2514 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2515 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2516 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2517 (FINAL_PRESCAN_INSN): New.
2519 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2521 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2523 2001-09-08 Andreas Jaeger <aj@suse.de>
2525 * i386.h (TARGET_SWITCHES): Fix description.
2527 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2529 * rs6000.c (num_insns_constant): Compute number of instructions
2532 * doc/install.texi: Explain AIX exception handling work-around.
2533 Update URL for AIX fixes.
2535 2001-09-07 Jim Wilson <wilson@redhat.com>
2537 * alias.c (clear_reg_alias_info): New.
2538 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2539 * rtl.h (clear_reg_alias_info): Declare.
2541 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2543 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2545 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2546 (m16m,edivm,emulm): Change declaration to match definition.
2548 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2550 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2551 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2554 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2556 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2557 which have no corresponding C type.
2558 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2559 the representation of 64-bit doubles to work with 64-bit ints.
2561 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2563 * config/mips/mips.c (override_options): Do not override ISA when ABI
2564 specified if MIPS_CPU_STRING_DEFAULT was specified.
2566 2001-09-07 Richard Henderson <rth@redhat.com>
2568 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2569 (express_from_1): Wrap lines.
2570 * rtlanal.c (commutative_operand_precedence): Rename from
2571 operand_preference; export.
2572 * rtl.h: Declare it.
2573 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2574 (simplify_binary_operation): Invoke simplify_plus_minus on
2575 (CONST (PLUS ...)) as well.
2576 (struct simplify_plus_minus_op_data): New.
2577 (simplify_plus_minus_op_data_cmp): New.
2578 (simplify_plus_minus): Use them. Avoid infinite recursion with
2579 simplify_binary_operation wrt CONST.
2581 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2583 * h8300-protos.h (general_operand_dst_push): Remove.
2584 * h8300.c (general_operand_dst_push): Likewise.
2585 * h8300.h (OK_FOR_T): Likewise.
2586 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2587 * h8300.md (pushqi_h8300): New.
2588 (pushqi_h8300hs): Likewise.
2590 (pushhi_h8300): Likewise.
2591 (pushhi_h8300hs): Likewise.
2594 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2596 * genattrtab.c (attr_printf): First arg is unsigned.
2597 Clean up formatting of callers.
2599 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2601 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2604 2001-09-07 Andreas Jaeger <aj@suse.de>
2606 * i386.h (TARGET_SWITCHES): Fix descriptions.
2608 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2610 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2612 2001-09-06 Ira Ruben <ira@apple.com>
2614 Remove OP_IDENTIFIER.
2615 * tree.def (OP_IDENTIFIER): Remove.
2616 * tree.c (tree_node_kind enum): Remove op_id_kind.
2617 (tree_node_kind_names): Remove "op_identifiers".
2618 (make_node): Remove OP_IDENTIFIER test.
2619 (build_op_identifier): Removed because it isn't being used.
2620 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2621 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2623 2001-09-06 Richard Henderson <rth@redhat.com>
2625 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2627 2001-09-06 Richard Henderson <rth@redhat.com>
2629 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2632 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2634 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2635 number used for CR register.
2637 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2638 Joern Rennecke (amylaar@cygnus.com)
2640 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2641 * h8300.c (initial_offset): Handle offset between RP and FP.
2642 (h8300_return_addr_rtx): New function.
2643 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2645 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2646 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2647 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2648 (CAN_ELIMINATE, REGISTER_NAMES):
2649 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2651 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2653 Remove TYPE_NONCOPIED_PARTS.
2654 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2655 (struct tree_type): Remove noncopied_parts.
2656 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2657 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2658 (fixed_type_p): Remove.
2659 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2660 (expand_expr, MODIFY_EXPR): Likewise.
2661 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2662 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2664 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2666 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2668 (mask64_operand): Likewise.
2669 (includes_rldic_lshift_p): Likewise.
2670 (includes_rldicr_lshift_p): Likewise.
2672 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2674 * objc/objc-act.c (build_message_expr): If a class method cannot
2675 be found, do not issue a warning if a corresponding instance
2676 method exists in the root class.
2678 2001-09-05 Richard Henderson <rth@redhat.com>
2680 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2682 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2684 * function.c (ggc_mark_struct_function): Mark f->outer.
2685 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2686 * integrate.c (output_inline_function): ... not here.
2688 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2690 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2692 * i386.c (size_cost): New static variable.
2693 (override_function): Use size_cost when -Os is specified.
2695 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2696 properly; Use current_function_calls_eh_return.
2697 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2698 use leave to avoid depdendancy chain.
2700 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2701 get BB loop_depth instead of computing it from LOOP notes.
2703 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2705 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2707 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2708 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2709 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2711 2001-09-05 Jeffrey A Law (law@cygnus.com)
2712 Jason Merrill (jason@redhat.com)
2714 * stor-layout.c (layout_type): Complain if an array's size can
2715 not be represented in a size_t.
2717 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2719 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2721 * gcc.c: (process_command) Add parentheses around assignment
2722 used as truth value.
2724 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2726 * config/mips/mips.c (save_restore_insns): Don't mark any register
2727 save slots as unchanging if current_function_calls_eh_return.
2729 2001-09-05 Richard Henderson <rth@redhat.com>
2731 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2732 * config/alpha/alpha-protos.h: Declare it.
2733 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2734 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2735 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2736 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2737 (REG_OK_FOR_BASE_P): Select one of the above.
2739 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2741 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2742 (crti.o): Prefix name of object file with $(T).
2745 2001-09-05 David S. Miller <davem@redhat.com>
2747 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2748 * config/sparc/linux64.h: Likewise.
2750 2001-09-05 Andreas Jaeger <aj@suse.de>
2752 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2753 available anymore, remove the documentation.
2754 (i386 Options): Fix typo, cleanup index entries.
2756 * prefix.c (concat): Remove, we can use the version from liberty.
2758 2001-09-05 Richard Henderson <rth@redhat.com>
2760 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2761 New functions split out of md file expanders.
2762 * config/alpha/alpha-protos.h: Declare them.
2763 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2765 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2767 * cppmacro.c (funlike_invocation_p): No need to restore context.
2769 2001-09-04 Richard Henderson <rth@redhat.com>
2771 * reload.c (push_reload): Export.
2772 * reload.h (push_reload): Declare it.
2774 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2775 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2776 * config/alpha/alpha.c (alpha_legitimize_address): New.
2777 (alpha_legitimize_reload_address): Likewise.
2778 * config/alpha/alpha-protos.h: Declare them.
2780 2001-09-04 Stan Shebs <shebs@apple.com>
2782 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2783 * config/darwin.c (machopic_stub_name): Account for internally
2784 generated lib calls such as memcpy.
2786 2001-09-04 Richard Henderson <rth@redhat.com>
2788 * unwind.h (_UA_END_OF_STACK): New flag.
2789 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2791 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2793 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2795 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2797 * config/mips/mips.c (save_restore_insns): Change base_offset to
2798 fp_offset in second call to mips_emit_frame_related_store.
2800 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2802 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2803 sometimes be represented as a NOTE of type
2804 NOTE_INSN_DELETED_LABEL.
2805 (Insns): Document NOTE_INSN_DELETED_LABEL.
2807 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2809 * c-common.h (tree_dump_index): Add more comments.
2810 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2811 (dump_option_value_info): New struct.
2812 (dump_options): New array.
2813 (dump_switch_p): Parse switch options symbolically.
2814 * doc/invoke.texi (-fdump-ast): Rename to ...
2815 (-fdump-tree): ... here. Document that options are symbolic, and
2816 not all are applicable.
2818 2001-09-04 David S. Miller <davem@redhat.com>
2820 * config/sparc/sparc.md (define_splits): Kill constraints.
2822 Cleanup redundant and unused insn attributes.
2823 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2824 binary, and move. Mark ialu as default.
2825 (commented out define_function_unit "alu"): Kill.
2826 (define_attr "use_clobbered"): Kill.
2827 (whole file): Kill address insn type references. Replace
2828 all unary/binary/move references with ialu.
2829 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2830 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2833 Simplify length insn attribute and make more judicious use
2834 of insn attribute defaulting.
2835 * config/sparc/sparc.md (all insns with length > one): Mark as
2836 insn type multi if real instructions, else use default if
2837 it is a forced splitter.
2838 (all insns with length == one): Use default insn length.
2839 (all insns of type ialu): Use default insn type.
2841 Fix erroneous insn attribute settings.
2842 (addx): Set insn type to misc.
2843 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2844 const_umulsidi3_sp64): Set insn type to imul.
2846 Track SFmode vs DFmode insns according to UltraSPARC
2848 * config/sparc/sparc.md ("fptype"): New attribute, default
2850 (all DFmode single insns): Mark as fptype "double".
2852 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2854 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2856 2001-09-03 Richard Henderson <rth@redhat.com>
2858 * function.h (struct function): Add arg_pointer_save_area_init.
2859 * function.c (expand_function_end): Init arg_pointer_save_area.
2860 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2861 when called from a nested function.
2863 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2865 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2868 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2870 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2872 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2874 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2875 (emit_push_insn): Use specified padding direction when
2876 STACK_PUSH_CODE is POST_INC.
2878 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2880 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2884 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2886 * cppinit.c (cpp_start_read): Free the imacros list as we
2887 traverse it. Don't free the chains before returning.
2888 (_cpp_push_next_buffer): Only try pushing buffers if we've
2889 completed -imacros handling.
2891 2001-08-31 Eric Christopher <echristo@redhat.com>
2893 * gcc.c (handle_braces): Add explaination for abort.
2895 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2897 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2898 move adjustment of bitpos instead.
2900 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2902 * function.c: Remove all_functions. Make outer_function_chain
2904 (init_function_start): Don't add new function structure to
2906 (find_function_data, push_function_context_to,
2907 pop_function_context_from, put_var_into_stack,
2908 trampoline_address): Update for changed structure element names.
2909 (push_function_context_to): Disentangle.
2910 (free_after_compilation): Also free F.
2911 (expand_dummy_function_end): Don't free cfun here.
2912 (put_var_into_stack): Comment why we can't use find_function_data here.
2913 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2914 (mark_function_chain): Split into maybe_mark_struct_function and
2915 ggc_mark_struct_function. Export the latter.
2916 (init_function_once): Mark from cfun and outer_function_chain;
2919 * function.h (struct function): Kill next_global. Rename next
2920 to outer. All users updated to match.
2921 (all_functions, outer_function_chain): Don't declare.
2923 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2924 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2925 don't touch f->inlinable, after calling rest_of_compilation.
2927 * tree.h: Forward-declare struct function. Prototype
2928 ggc_mark_struct_function.
2930 2001-08-31 Kazu Hirata <kazu@hxi.com>
2932 * config/h8300/h8300.md (*andorhi3): Fix typos.
2934 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2936 * calls.c (emit_library_call_value): Don't use a fixed
2937 argument after VA_CLOSE, i.e. out of scope in traditional C.
2939 * emit-rtl.c (gen_rtvec): Likewise.
2941 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2943 * Makefile.in (c-pragma.o): Depend on output.h.
2944 (reorg.o): Depend on except.h.
2946 * c-pragma.c: Include output.h.
2948 * reorg.c: Include except.h.
2950 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2952 2001-08-31 Richard Henderson <rth@redhat.com>
2954 * sched-deps.c (add_dependence): Don't elide dependancy if the
2955 conditional used by insn is modified in elem.
2957 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2959 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2961 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2963 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2966 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2968 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2970 (stormy16_asm_out_constructor): New function.
2971 (TARGET_ASM_CONSTRUCTOR): Define.
2972 (TARGET_ASM_DESTRUCTOR): Define.
2974 2001-08-31 Andreas Jaeger <aj@suse.de>
2976 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2977 * loop.c (add_label_notes): Likewise.
2978 * reload.c (find_reloads): Likewise.
2979 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2981 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2983 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2984 code here. Take _Unwind_{W,Sw}ord*.
2985 (read_encoded_value_with_base): Use them.
2986 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2988 (extract_cie_info): Simplify read_?leb128 handling.
2989 (execute_stack_op, execute_cfa_program): Likewise.
2990 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2992 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2994 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2995 the frame pointer to pop the stack if convenient.
2997 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2998 Don't use post-increment before combine.
2999 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3000 a call-saved register.
3002 2001-08-31 Andreas Jaeger <aj@suse.de>
3004 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3007 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3009 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3010 not DIV/MOD, of course.
3012 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3014 * rtl.def: Undo my patch commited 2001-08-27.
3016 * genattrtab.c: Ditto.
3020 * sched-int.h: Ditto.
3022 * target-def.h: Ditto.
3026 * haifa-sched.c: Ditto.
3028 * sched-rgn.c: Ditto.
3030 * sched-vis.c: Ditto.
3032 * Makefile.in: Ditto.
3034 * doc/md.texi: Ditto.
3036 * doc/tm.texi: Ditto.
3038 * doc/contrib.texi: Ditto.
3040 * doc/gcc.texi: Ditto.
3042 * genattrtab.h: Remove it.
3044 * genautomata.c: Remove it.
3046 * genattr.c: Undo my patch and Richard Henderson's patch commited
3049 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3051 * config.gcc (h8300-*-elf*): New case.
3052 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3053 (SUBTARGET_CPP_SPEC): Define.
3054 (EXTRA_SPECS): Define.
3055 (SUBTARGET_EXTRA_SPECS): Define.
3056 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3057 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3059 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3061 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3062 (LIB2FUNCS_EXTRA): Define.
3063 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3064 config/h8300/fixunssfsi.c: New file.
3066 2001-08-30 Kazu Hirata <kazu@hxi.com>
3068 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3069 define_expand to accomodate target-specific attributes.
3070 (anonymous zero_extendqihi2 patterns): New.
3072 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3074 * h8300.md (*andorhi3): New pattern.
3076 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3078 * h8300.c (dosize): Fix test for "sub".
3080 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3082 * c-typeck.c (pointer_diff): Try to eliminate common term before
3085 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3087 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3088 Account for the saves of the FP registers.
3090 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3091 (TEXT_SECTION_ASM_OP): Define.
3092 (INIT_SECTION_ASM_OP): Define.
3093 (FINI_SECTION_ASM_OP): Define.
3094 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3095 (RDATA_SECTION_FUNCITON): Provide prototype.
3097 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3099 * reload1.c (move2add_note_store): Correct typo checking for
3102 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3104 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3105 note should not be considered outside the libcall block.
3107 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3109 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3111 2001-08-29 Kazu Hirata <kazu@hxi.com>
3113 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3115 2001-08-29 Kazu Hirata <kazu@hxi.com>
3117 * config/h8300/h8300-protos.h: Add a prototype for
3119 * config/h8300/h8300.c (emit_logical_op): New.
3120 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3127 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3129 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3130 comparison with rtx INTVAL.
3131 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3133 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3135 2001-08-29 Kazu Hirata <kazu@hxi.com>
3137 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3140 2001-08-29 Kazu Hirata <kazu@hxi.com>
3142 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3143 (reg n) to (mem (pre_dec (reg n))
3144 (anonymous movsi pattern): Likewise.
3146 2001-08-29 Kazu Hirata <kazu@hxi.com>
3148 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3150 2001-08-29 Kazu Hirata <kazu@hxi.com>
3152 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3153 several special constants.
3155 2001-08-29 Kazu Hirata <kazu@hxi.com>
3157 * config/h8300/lib1funcs.asm: Fix comment typos.
3159 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3161 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3162 Fix format specifier warnings.
3164 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3165 inet_makeaddr, semctl): Prototype.
3167 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3168 (save_restore_insns): Use base_offset, not gp_offset.
3170 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3171 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3173 2001-08-29 Richard Henderson <rth@redhat.com>
3175 * bb-reorder.c (function_tail_eff_head): New.
3176 (record_effective_endpoints): Set it.
3177 (fixup_reorder_chain): Use it.
3179 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3183 2001-08-28 Dale Johannesen <dalej@apple.com>
3185 * config/darwin.c (machopic_function_base_name): Add const
3186 qualifier to a string.
3187 (darwin_encode_section_info): Ditto.
3189 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3191 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3192 function definition.
3194 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3196 * df.h (struct df): Add rts_order variable.
3198 * df.c (df_visit_next_rts): New function.
3199 (df_visit_next): Renamed to df_visit_next_rc
3200 (df_analyse_1): Allocate/compute/free rts_order as well.
3201 (df_rd_global_compute): Use df_visit_next_rc instead of
3203 (df_ru_global_compute): Use df_visit_next_rts instead of
3206 * flow.c (flow_reverse_top_sort_order_compute): New function.
3208 * basic-block.h: Add prototype.
3210 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3212 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3213 blocks, the BB_REACHABLE is now set, rather than aux being
3214 non-NULL. Update the test to reflect this.
3216 2001-08-28 Eric Christopher <echristo@redhat.com>
3218 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3219 config/mips/crti.asm: Ditto.
3221 2001-08-28 Eric Christopher <echristo@redhat.com>
3222 Richard Henderson <rth@redhat.com>
3224 * c-pragma.h (add_weak): Move prototype from here...
3225 * output.h (add_weak): ... to here.
3226 * varasm.c (add_weak): Fix typo.
3227 * config/mips/crti.asm: New file.
3228 * config/mips/crtn.asm: Ditto.
3229 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3230 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3231 (INVOKE__main): Ditto.
3232 (INIT_SECTION_ASM_OP): New.
3233 (FINI_SECTION_ASM_OP): Ditto.
3234 (STARTFILE_SPEC): Add crti.
3235 (ENDFILE_SPEC): Add crtn.
3236 * config/mips/elf64.h: Same.
3237 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3239 * config/mips/vxworks.h: Ditto.
3240 * config/mips/t-elf: Support crti and crtn.
3242 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3244 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3247 2001-08-28 Richard Henderson <rth@redhat.com>
3249 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3250 (one_cmplbi2 splitter): Remove redundant test.
3252 2001-08-28 Dale Johannesen <dalej@apple.com>
3254 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3256 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3258 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3260 2001-08-28 Stan Shebs <shebs@apple.com>
3262 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3263 (UNALIGNED_SHORT_ASM_OP): Define.
3264 (UNALIGNED_INT_ASM_OP): Define.
3266 2001-08-28 Will Cohen <wcohen@redhat.com>
3268 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3269 generation for first set.
3271 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3273 * flow.c (redirect_edge_succ_nodup): Return new edge.
3274 (try_simplify_condjump): Use new edge.
3275 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3277 * cse.c (cse_basic_block): Skip note instructions.
3279 2001-08-27 Richard Henderson <rth@redhat.com>
3281 * combine.c (combine_simplify_rtx): Don't reverse condition
3282 if there is no reverse for the condition.
3283 (simplify_comparison): Don't simplify subregs from INT to FP.
3285 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3286 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3287 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3288 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3289 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3290 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3292 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3294 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3295 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3297 (adddi_dilshr32, adddi_dishl32): Only data register can be
3298 source for mem destination.
3300 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3301 and use bitnum to decide about register move.
3303 2001-08-27 Richard Henderson <rth@redhat.com>
3305 * genattr.c (main): Emit state_t even when not doing scheduling.
3307 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3308 Richard Henderson <rth@redhat.com>
3310 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3311 (reg_avail_info, current_bb): ... these.
3312 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3313 (compute_hash_table): Likewise.
3315 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3317 * flow.c (verify_flow_info): Use checksums to verify edges.
3319 2001-08-27 Richard Henderson <rth@redhat.com>
3321 * genautomata.c (expand_automata): Always create a description.
3323 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3325 * optabs.c (expand_binop): Correctly handle the carry in multiword
3326 add/subtract operations.
3328 2001-08-27 Fred Fish <fnf@be.com>
3330 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3333 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3335 * reload.c (find_reloads_toplev): Back out this change:
3337 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3339 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3340 mem if the address is a mode_dependent_address_p.
3342 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3344 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3345 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3346 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3349 * genattr.c (main): New variable num_insn_reservations. Increase
3350 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3351 pipeline hazard recognizer interface.
3353 * genattrtab.h: New file.
3355 * genattrtab.c: Include genattrtab.h.
3356 (attr_printf, check_attr_test, make_internal_attr,
3357 make_numeric_value): Move protypes into genattrtab.h. Define them
3359 (num_dfa_decls): New global variable.
3360 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3361 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3362 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3363 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3365 * genautomata.c: New file.
3367 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3369 * sched-int.h: (curr_state): Add the external definition for
3370 automaton pipeline interface.
3371 (haifa_insn_data): Add comments for members blockage and units.
3373 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3374 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3375 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3376 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3377 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3378 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3379 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3381 (TARGET_SCHED): Use the new macros.
3383 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3384 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3385 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3386 dfa_bubble): New members in gcc_target.sched.
3388 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3389 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3390 (insn_queue): Redefine it as pointer to array.
3391 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3393 (max_insn_queue_index_macro_value): New variable.
3394 (curr_state, dfa_state_size, ready_try): New varaibles for
3395 automaton interface.
3396 (ready_element, ready_remove, max_issue): New function prototypes
3397 for automaton interface.
3398 (choose_ready): New function prototype.
3399 (insn_unit, blockage_range): Add comments.
3400 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3401 FUNCTION_UNITS_SIZE == 0.
3402 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3403 actual_hazard, potential_hazard): Add comments.
3404 (insn_cost): Use cost -1 as undefined value. Remove
3405 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3407 (ready_element, ready_remove): New functions for automaton
3409 (schedule_insn): Add new code for automaton pipeline interface.
3410 (queue_to_ready): Add new code for automaton pipeline interface.
3411 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3412 (debug_ready_list): Print newline when the queue is empty.
3413 (max_issue): New function for automaton pipeline interface.
3414 (choose_ready): New function.
3415 (schedule_block): Add new code for automaton pipeline interface.
3416 Print ready list before scheduling each insn.
3417 (sched_init): Add new code for automaton pipeline interface.
3418 Initiate insn cost by -1.
3419 (sched_finish): Free the current automaton state and finalize
3420 automaton pipeline interface.
3422 * sched-rgn.c: Include target.h.
3423 (init_ready_list, new_ready, debug_dependencies): Add new code for
3424 automaton pipeline interface.
3426 * sched-vis.c: Include target.h.
3427 (get_visual_tbl_length): Add code for automaton interface.
3428 (target_units, print_block_visualization): Add comments.
3430 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3431 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3432 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3433 (getruntime.o, genautomata.o): New entries.
3434 (genattrtab.o): Add new dependency file genattrtab.h.
3435 (genattrtab): Add new dependencies. Link it with `libm.a'.
3436 (getruntime.o, hashtab.o): New entries for canadian cross.
3438 * doc/md.texi: Description of automaton based model.
3440 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3442 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3443 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3444 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3445 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3446 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3447 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3448 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3450 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3451 MAX_DFA_ISSUE_RATE): New macro descriptions.
3453 * doc/contrib.texi: Add dfa based scheduler contribution.
3455 * doc/gcc.texi: Add more information about genattrtab.
3457 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3459 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3462 2001-08-27 Richard Henderson <rth@redhat.com>
3464 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3465 (get_arg_pointer_save_area): New. Create an init it here.
3466 (fix_lexical_addr): Use it.
3467 * function.h: Declare it.
3468 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3469 * stmt.c (expand_nl_goto_receiver): Use it.
3471 2001-08-27 Richard Henderson <rth@redhat.com>
3473 * final.c (final_scan_insn): Don't enter APP_ON mode for
3476 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3477 alignment for assemble_integer for DW_EH_PE_aligned.
3478 * except.c (output_function_exception_table): Likewise.
3480 2001-08-26 Andreas Jaeger <aj@suse.de>
3482 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3484 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3486 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3488 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3490 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3492 (mask64_operand): Likewise.
3493 (rldic_operand): Delete.
3494 (includes_lshift64_p): Delete.
3495 (includes_rldic_lshift_p): New function.
3496 (includes_rldicr_lshift_p): New function.
3497 (print_operand): Don't call rldic_operand in case 'W'.
3498 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3499 (includes_lshift64_p): Remove.
3500 (includes_rldic_lshift_p): Declare.
3501 (includes_rldicr_lshift_p): Declare.
3502 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3503 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3504 Replace match_operand rldic_operand predicate with
3505 const_int_operand. Replace includes_lshift64_p condition with
3506 includes_rldic_lshift_p.
3507 <ashldi3_internal 64 bit rldicr patterns>: New.
3509 2001-08-27 Andreas Jaeger <aj@suse.de>
3511 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3512 * errors.c: Likewise.
3513 * final.c: Likewise.
3514 * dwarf2asm.c: Likewise.
3515 * doprint.c (checkit): Likewise.
3516 * diagnostic.c: Likewise.
3517 * collect2.c: Likewise.
3518 * calls.c: Likewise.
3519 * c-semantics.c (build_stmt): Likewise.
3520 * c-format.c (status_warning): Likewise.
3521 * c-errors.c (pedwarn_c99): Likewise.
3522 * builtins.c (validate_arglist): Likewise.
3523 * config/pj/pj.c (pj_printf): Likewise.
3524 * fix-header.c: Likewise.
3526 * gcov.c (fnotice): Likewise.
3527 * gensupport.c (message_with_line): Likewise.
3528 * mips-tfile.c: Likewise.
3529 * protoize.c (notice): Likewise.
3530 * read-rtl.c (fatal_with_file_and_line): Likewise.
3531 * rtl-error.c: Likewise.
3532 * tradcpp.c: Likewise.
3534 * cp/tree.c (build_min_nt): Likewise.
3535 (build_min): Likewise.
3536 * cp/lex.c: Likewise.
3537 * cp/errfn.c: Likewise.
3538 * cp/rtti.c (create_pseudo_type_info): Likewise.
3540 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3542 * df.c (df_uses_record): Return after recording all uses
3545 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3547 * df.c (df_insn_modify): Realloc the INSN table here, if
3548 necessary, here, too.
3550 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3552 * config/mips/mips.c (mips_function_value): Handle complex return
3555 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3557 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3559 * reload.c (make_memloc): Copy result if it is still
3560 reg_equiv_memory_loc[regno] on return.
3561 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3562 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3563 reg_equiv_mem are modified by the substitutions.
3565 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3567 * predict.c (expensive_function_p): New.
3568 * rtl.h (expensive_function_p): Declare.
3569 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3570 (use_fast_prologue_epilogue): New static variable.
3571 (expand_prologue): Set it; emit short prologues if unset.
3572 (expand_epilogue): Likewise.
3574 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3576 * config.gcc: Add stormy16-*-elf case.
3577 * config/stormy16/stormy-abi: New file.
3578 * config/stormy16/stormy16-lib2.c: New file.
3579 * config/stormy16/stormy16-protos.h: New file.
3580 * config/stormy16/stormy16.c: New file.
3581 * config/stormy16/stormy16.h: New file.
3582 * config/stormy16/stormy16.md: New file.
3583 * config/stormy16/t-stormy16: New file.
3585 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3587 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3589 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3591 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3592 descriptor members are pointer size, not constant 4.
3593 * config/rs6000/rs6000.md (define_splits): Remove more unused
3596 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3598 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3600 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3602 * cp/rtti.c (VPARAMS): Fix parameter.
3604 2001-08-24 Zack Weinberg <zackw@panix.com>
3606 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3608 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3610 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3611 in if controlling use of insv.
3612 (extract_bit_field): Likewise, for extv and extzv.
3614 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3616 * i386.md (movcc peep2): Fix load of 0.
3618 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3620 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3621 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3623 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3625 * c-pragma.h: Move weak_syms and weak_decls...
3626 * varasm.c: ...here. Now static.
3627 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3628 depend on HANDLE_PRAGMA_WEAK.
3630 * c-common.c (c_alignof, c_alignof_expr): Move here...
3631 * c-typeck.c: ...from here.
3632 * c-tree.h, c-common.h: Adjust.
3634 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3636 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3637 instead of incrementing it.
3639 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3640 asm ready, don't try to move them all into the same array element.
3642 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3644 * function.c (thread_prologue_and_epilogue_insns): Avoid
3645 fallthru flag on edge to exit.
3647 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3649 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3652 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3654 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3655 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3656 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3659 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3661 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3662 replace "GNU CC" with "GCC".
3664 2001-08-23 Richard Henderson <rth@redhat.com>
3666 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3667 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3668 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3669 Need GR between FR and not GR_AND_FR.
3670 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3671 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3672 AR regs before GR regs.
3673 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3674 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3675 (REGISTER_MOVE_COST): Update.
3676 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3678 2001-08-23 Richard Henderson <rth@redhat.com>
3680 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3683 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3685 * reload1.c (emit_reload_insns): Don't look for notes
3686 on a NULL store_insn.
3688 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3690 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3691 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3692 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3693 format specifier warnings.
3694 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3696 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3698 * config/i386/i386-protos.h: Correct declaration of
3699 i386_pe_asm_named_section.
3701 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3703 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3705 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3707 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3709 * cpperror.c (print_location): Don't show _Pragma.
3710 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3711 and file change callback generation here.
3712 (stack_include_file): Update use of cpp_push_buffer.
3713 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3714 (struct cpp_buffer): Remove type, pfile members.
3715 * cppinit.c (cpp_handle_option): Use free_chain.
3716 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3717 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3718 a cpp_reader rather than a cpp_buffer.
3719 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3720 skip_line_comment, parse_string, lex_percent, lex_dot,
3721 _cpp_lex_token): Update accordingly.
3722 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3724 (cpp_push_buffer): Update prototype.
3725 (run_directive): Update use of cpp_push_buffer.
3726 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3727 handle_assertion): Update use of run_directive.
3728 * cpplib.h (enum cpp_buffer_type): Remove.
3729 (cpp_push_buffer): Update prototype.
3730 * fix-header.c (read_scan_file): Update.
3732 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3734 * gcc.c (struct prefix_list): Change prefix to const char *.
3736 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3738 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3740 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3742 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3745 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3748 * ifcvt.c (dead_or_predicable): Adjust.
3749 * loop.c (find_and_verify_loops): Adjust.
3750 * stmt.c (expand_end_case): Adjust.
3751 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3752 head and end insn pointers in the basic block, not just local copies.
3753 (merge_blocks_move_predecessor_nojumps): Likewise.
3755 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3757 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3758 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3759 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3760 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3761 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3762 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3763 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3764 conditions.h, config.gcc, configure.frag, configure.in,
3765 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3766 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3767 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3768 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3769 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3770 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3771 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3772 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3773 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3774 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3775 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3776 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3777 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3778 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3779 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3780 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3781 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3782 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3783 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3784 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3785 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3786 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3787 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3788 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3789 params.h, predict.c, predict.def, predict.h, prefix.c,
3790 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3791 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3792 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3793 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3794 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3795 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3796 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3797 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3798 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3799 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3800 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3801 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3802 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3803 xcoffout.h: replace "GNU CC" with "GCC".
3805 2001-08-21 Richard Henderson <rth@redhat.com>
3807 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3808 (final_scan_insn): Consider jump tables data even if we have no
3809 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3811 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3812 (ASM_OUTPUT_CASE_END): Remove.
3813 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3814 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3815 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3817 2001-08-21 Richard Henderson <rth@redhat.com>
3819 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3820 at barrier insns. Emit stop bits before barriers.
3822 * flow.c (flow_find_cross_jump): Don't consider unconditional
3823 return insns for commoning.
3825 * final.c (compute_alignments): Fix typo.
3827 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3828 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3829 (store_bit_field): Use mode_for_extraction more places.
3830 (extract_bit_field): Likewise.
3832 2001-08-21 Zack Weinberg <zackw@panix.com>
3834 * caller-save.c: Don't include insn-codes.h.
3835 (reg_save_code, reg_restore_code): Make arrays of int.
3836 All uses updated to match.
3837 (insert_save, insert_restore): No need to initialize "code"
3838 variable upon declaration.
3839 * Makefile.in: update dependencies; fix typo in clean rule.
3841 2001-08-21 Richard Henderson <rth@redhat.com>
3843 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3844 (merge_if_block): Handle fallout from same.
3846 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3848 * builtins.c (type_to_class): Fix typo in last change.
3850 2001-08-21 Richard Henderson <rth@redhat.com>
3852 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3853 ia64_asm_output_label.
3855 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3856 copy of gp while the real gp register contains garbage.
3858 2001-08-21 Zack Weinberg <zackw@panix.com>
3860 * expmed.c (mode_for_extraction): New function.
3861 (store_bit_field, extract_bit_field): Use it.
3862 * expr.h: Prototype it and provide an enum for its first argument.
3864 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3865 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3866 and digging through the insn_data tables.
3867 * Makefile.in: Update dependencies.
3869 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3871 * cppfiles.c (stack_include_file): line-map.c now handles include
3873 (handle_missing_handler): Similarly.
3874 (_cpp_execute_include): Similarly.
3875 (_cpp_pop_file_buffer): Similarly.
3876 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3877 buffer_stack_depth and include_depth.
3878 * cpplib.c (do_include_common): line-map.c now handles include depth.
3879 (cpp_push_buffer): Similarly.
3880 (_cpp_pop_buffer): Similarly.
3881 * cppmacro.c (builtin_macro): Update.
3882 * line-map.c (init_line_maps): Set depth.
3883 (add_line_map): Increment "used" earlier. Update and use the
3885 (trace_include): Use the include depth.
3886 * line-map.h (struct line_maps): New member depth.
3888 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3890 * cppfiles.c (stack_include_file): Don't handle -H here.
3891 * cppinit.c (cpp_start_read): Set include tracing after
3892 cpp_post_options and after stacking the main file.
3893 * line-map.c (trace_include): New.
3894 (init_line_maps, add_line_map): Update.
3895 * line-map.h (struct line_maps): New member trace_includes.
3897 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3899 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3900 * cppfiles.c (stack_include_file): Only stack a file if there
3901 is something to do. Return a boolean indicating whether a
3902 buffer was stacked or not.
3903 (_cpp_execute_include): Similarly.
3904 (_cpp_read_file): Similarly.
3905 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3907 2001-08-21 Sam Steingold <sds@gnu.org>
3909 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3910 (RECACHE): keep obufp_before_macroname up to date
3912 2001-08-21 Zack Weinberg <zackw@panix.com>
3914 * stmt.c: Don't include insn-codes.h.
3915 (expand_end_case): Machine specific logic moved to expr.c.
3916 No need to worry about __builtin_classify_type.
3917 (check_for_full_enumeration_handling, emit_case_nodes):
3920 * builtins.o (expand_builtin_classify_type): Split up so code
3921 can be shared with fold_builtin_classify_type.
3922 (type_to_class, fold_builtin_classify_type): New functions.
3923 (fold_builtins): Handle __builtin_classify_type.
3925 * expr.c (do_tablejump): Now static.
3926 (case_values_threshold, try_casesi, try_tablejump): New;
3927 code mostly from stmt.c (expand_end_case).
3928 (expr.h): Update prototypes.
3930 * Makefile.in (stmt.o): Update dependencies.
3932 2001-08-21 Will Cohen <wcohen@redhat.com>
3934 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3935 declaration of variable i.
3936 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3937 declaration of variable i.
3939 2001-08-21 Richard Henderson <rth@redhat.com>
3941 * crtstuff.c: Fix thinko last change. Move list tails to start
3942 of CRT_END section. Tidy ifdefs.
3943 (__EH_FRAME_BEGIN__): Always static for ELF.
3944 (__do_global_ctors_1): Rename from __frame_dummy.
3945 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3946 name change; don't hide __EH_FRAME_BEGIN__.
3948 2001-08-21 Richard Henderson <rth@redhat.com>
3950 * gdbinit.in: Move break on exit after break on fancy_abort.
3952 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3955 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3957 * cpphash.h (_cpp_push_next_buffer): New.
3958 * cppinit.c (do_includes): Remove.
3959 (push_include, free_chain, _cpp_push_next_buffer): New.
3960 (cpp_start_read): Use them to rework command line option handling.
3961 (cpp_handle_option): Combine handling of -include and -imacros.
3962 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3963 appropriate. Always insert missing \n at EOF.
3964 * cpplib.c (start_directive): Get the directive position right.
3965 * cppmain.c (cb_file_change): Always print the first line, unless
3968 2001-08-20 Andreas Jaeger <aj@suse.de>
3970 * profile.c (compute_branch_probabilities): Remove extra new-line
3972 * flow.c (verify_flow_info): Likewise.
3974 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3976 * basic-block.h (basic_block): Add new field 'flags'.
3977 (BB_REACHABLE): Define.
3978 (expunge_block): Declare.
3979 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3980 (EXIT_BLOCK_PTR): Ditto.
3981 (expunge_block): Remove static declaration.
3982 (cleanup_cfg): Clear bb->aux on every basic block.
3983 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3984 computing reachability.
3985 (delete_unreachable_blocks): Delete block b if b->flags has
3988 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3990 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3992 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3994 * sparc.c (sparc_variable_issue): Fix typo in last change.
3996 2001-08-20 Richard Henderson <rth@redhat.com>
3998 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4000 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4002 * pa.h (RETURN_IN_MEMORY): Improve comment.
4004 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4006 * doc/invoke.texi (Profiling options): Clarify the interactions
4007 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4009 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4011 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4014 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4016 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4019 2001-08-20 Richard Henderson <rth@redhat.com>
4021 * final.c (end_final): Fix typo last change.
4023 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4025 * cppinit.c (init_standard_includes): The returned buffer
4026 is already malloc-ed.
4027 * gcc.c (add_prefix): Similarly.
4028 * prefix.c (translate_name): Update to support clear buffer
4030 (update_path): Similarly. Be sure to free any newly allocated
4031 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4033 * prefix.h (update_path): Update prototype and document.
4034 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4035 up and update to new buffer ownership rules.
4036 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4038 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4040 * final.c (compute_alignments): New function.
4041 (init_insn_lengths): Do not care label_align.
4042 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4043 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4044 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4045 (shorted_branches): Realloc label_align array; do
4046 not call init_insn_lengths; Do not care about loop alignments.
4047 * output.h (compute_alignments): Declare.
4048 * toplev.c (rest_of_compilation): Call compute_alignments.
4049 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4051 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4052 change visited to tovisit.
4053 (propagate_freq): Use faster traversing algorithm.
4054 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4055 to tovisit; reverse meaning.
4057 * predict.c (struct block_info_def): Remove nvisited.
4058 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4059 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4061 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4063 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4064 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4065 (TARGET_FUSED_MADD): New.
4066 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4067 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4068 the multiply-add instructions.
4070 2001-08-19 Richard Henderson <rth@redhat.com>
4072 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4073 is aligned to pointer size.
4075 2001-08-19 Richard Henderson <rth@redhat.com>
4077 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4078 display markers during final schedule.
4080 2001-08-19 Richard Henderson <rth@redhat.com>
4082 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4084 2001-08-19 Richard Henderson <rth@redhat.com>
4086 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4088 (ASM_NAME_TO_STRING): Remove.
4089 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4090 in the same string. Remove support for expressions.
4092 2001-08-19 Richard Henderson <rth@redhat.com>
4094 * config/i386/i386.md (tablejump): Make an expander; handle
4095 pic relative addressing here.
4096 (tablejump_1): Rename from tablejump_pic.
4099 2001-08-19 Richard Henderson <rth@redhat.com>
4101 * regclass.c (fix_register): Fix typo.
4103 2001-08-18 Richard Henderson <rth@redhat.com>
4105 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4106 (struct _Unwind_Context): Expand br_loc to hold it.
4107 (uw_frame_state_for): Handle leaf functions better.
4108 (uw_update_reg_address): Update for br_loc change.
4110 2001-08-18 Richard Henderson <rth@redhat.com>
4112 * crtstuff.c: Move list heads before code that uses them.
4113 (__JCR_LIST__): Remove initial null.
4114 (frame_dummy, __frame_dummy): Do java registration here ...
4115 (__do_global_ctors_aux): ... not here.
4117 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4118 (__do_global_dtors_aux): Update to match.
4119 (__JCR_LIST__, __do_jv_register_classes): New.
4121 * config/ia64/crtend.asm (__JCR_END__): New.
4122 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4123 instead of an indirect LTOFF22 reloc.
4125 2001-08-18 Richard Henderson <rth@redhat.com>
4127 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4128 * regclass.c (init_reg_sets_1): Fix typo.
4129 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4130 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4131 (ia64_compute_frame_size): Make ar.unat live when in use.
4132 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4133 for ar.pfs; remove ar.unat handling.
4134 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4136 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4137 * config/ia64/ia64-protos.h: Update decls.
4138 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4139 (sibcall_pic): Likewise.
4141 2001-08-18 Richard Henderson <rth@redhat.com>
4143 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4144 pred_rel_mutex when searching for insn_group_barrier.
4145 * config/ia64/ia64.md (cycle_display): Combine the expander
4148 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4149 bit before asm as needed.
4151 2001-08-18 Richard Henderson <rth@redhat.com>
4153 * timevar.def (TV_MACH_DEP): New.
4154 * toplev.c (rest_of_compilation): Use it.
4155 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4157 2001-08-18 Zack Weinberg <zackw@panix.com>
4159 * unwind-dw2.c (execute_stack_op): Add default aborts to
4160 the inner switches to prevent warnings.
4162 2001-08-18 Richard Henderson <rth@redhat.com>
4164 * timevar.h (struct timevar_time_def): Change element type to float.
4165 (ticks_to_msec, clocks_to_msec): Likewise.
4166 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4167 (get_time): Likewise.
4168 (timevar_print): Adjust zero check and printing to match.
4170 2001-08-18 Zack Weinberg <zackw@panix.com>
4172 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4173 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4174 Eliminate overfull or underfull hboxes.
4176 2001-08-18 Zack Weinberg <zackw@panix.com>
4178 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4180 2001-08-18 Zack Weinberg <zackw@panix.com>
4182 * haifa-sched.c: Convert to target hooks. Macros replaced
4183 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4184 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4185 MD_SCHED_FINISH, and HAVE_cycle_display.
4186 * target-def.h (TARGET_SCHED_ADJUST_COST,
4187 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4188 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4189 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4190 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4191 New hook #defines to be overridden.
4192 (TARGET_SCHED): Bring them all together.
4193 (TARGET_INITIALIZER): Update.
4194 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4195 instead of 'struct rtx_def *' throughout.
4196 (struct sched): New set of hooks for the scheduler.
4197 * Makefile.in (haifa-sched.o): Depend on target.h.
4198 * doc/tm.texi: Document the new scheduler hooks, together in
4199 their own section, instead of scattered around.
4200 Fix a bunch of underfull/overfull hboxes.
4202 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4203 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4204 sparc.h: Don't define any of the old scheduler macros.
4206 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4207 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4208 sparc.c: Create hook functions from code extracted from
4209 corresponding target header, or make existing hooks static, as
4210 appropriate. Set the appropriate entries in targetm.
4212 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4213 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4214 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4215 Remove prototypes for functions which are now static.
4217 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4218 related gunk; the Haifa scheduler is now the only choice.
4220 2001-08-18 Zack Weinberg <zackw@panix.com>
4222 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4223 * genopinit.c: Put floating point divide insns in sdiv_optab.
4224 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4225 * config/gofast.h, config/c4x/c4x.h,
4226 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4227 config/pa/long_double.h, config/rs6000/sysv4.h,
4228 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4229 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4230 (init_optabs): Use init_optabv for overflow-trapping optabs.
4231 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4232 cmp_optab RTX codes so have_insn_for can find them.
4234 * optabs.c (expand_simple_binop, expand_simple_unop,
4235 have_insn_for, gen_sub3_insn): New interfaces.
4236 * expr.h: Prototype new functions.
4237 (enum optab_methods): Move here from optabs.h.
4239 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4240 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4241 Use new functions instead of working directly with optabs.
4242 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4243 unroll.c: Don't include optabs.h.
4244 * caller-save.c, combine.c, function.c, stmt.c: Just include
4245 insn-codes.h, not optabs.h.
4246 * Makefile.in: Update dependencies.
4248 * combine.c (make_compound_operation, simplify_comparison):
4249 Fix typos testing for this or that instruction.
4251 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4253 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4254 generating libgcc.a.
4256 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4258 * except.c (TYPE_HASH): Delete.
4260 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4263 * tree.c (TYPE_HASH): Delete.
4265 * tree.h (TYPE_HASH): Define.
4267 2001-08-18 Graham Stott <grahams@redhat.com>
4269 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4271 (adddi3_internal_2+2): Likewise.
4272 (eh_set_lr_di+1): Likewise.
4274 2001-08-17 Richard Henderson <rth@redhat.com>
4276 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4277 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4278 * dwarf2asm.c: ... here.
4279 * dwarfout.c: Remove them.
4281 * varasm.c (assemble_integer): Add align parameter.
4282 (assemble_real, output_constant, output_constructor): Likewise.
4283 * output.h: Update decls.
4284 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4285 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4286 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4287 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4288 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4291 * final.c (end_final): Abort profile block generation if we
4292 havn't layed it out properly.
4293 * output.h (assemble_eh_integer): Remove stale decl.
4294 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4296 (assemble_integer): Handle unaligned data.
4297 (assemble_real): Abort on unaligned data.
4298 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4300 (default_dtor_section_asm_out_destructor): Use assemble_align.
4301 (default_named_section_asm_out_constructor): Likewise.
4302 (default_ctor_section_asm_out_constructor): Likewise.
4303 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4304 (machopic_asm_out_destructor): Likewise.
4305 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4306 (nextstep_asm_out_destructor): Likewise.
4307 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4308 (vms_asm_out_destructor): Likewise.
4310 2001-08-17 Richard Henderson <rth@redhat.com>
4312 * config/mips/iris6.h (TARGET_IRIX6): New.
4313 (current_section_name, current_section_flags): New.
4314 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4315 (MAX_OFILE_ALIGNMENT): New.
4316 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4317 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4318 (copy_file_data): Split out from
4319 (mips_asm_file_end): ... here.
4320 (mips_asm_file_start): Remove extra .section directive. Use
4321 tmpfile instead of mips_make_temp_file.
4322 (mips_unique_section): Use const char * as needed for warnings.
4323 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4324 re-add align parameter.
4325 (iris6_asm_named_section): New.
4326 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4327 (iris6_asm_output_align, iris6_section_align_1): New.
4328 (iris6_asm_file_start, iris6_asm_file_end): New.
4329 * config/mips/mips-protos.h: Update decls.
4331 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4333 * doc/install.texi (Install GCC): Add links to build status pages.
4335 (Final install): Ditto; request updates for specific info
4337 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * cpperror.c (print_location): Don't take a file name; use the
4341 (_cpp_begin_message): Similarly.
4342 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4343 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4344 (cpp_pedwarn_with_file_and_line): Remove.
4345 * cppfiles.c (stack_include_file): Update; set filename to stdin
4346 here when appropriate.
4347 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4348 (_cpp_begin_message): Don't take a file name.
4349 * cppinit.c: Add comment.
4350 * cpplex.c: Fix end-of-directive indicator.
4351 * cpplib.c: Don't include intl.h.
4352 (run_directive, do_diagnostic): Update.
4353 (do_line): Update to not use nominal_fname.
4354 (cpp_push_buffer): Don't take a filename.
4355 * cpplib.h (struct ht): Remove.
4356 (cpp_push_buffer): Don't take a filename.
4357 (cpp_pedwarn_with_file_and_line): Remove.
4358 * cppmacro.c (struct cpp_macro): Remove file.
4359 (builtin_macro): Update.
4360 (_cpp_create_definition): Update.
4361 * cppmain.c: Correct comment.
4362 * fix-header.c (read_scan_file): Update.
4364 2001-08-17 Kazu Hirata <kazu@hxi.com>
4366 * sbitmap.c: Fix comment formatting.
4367 * sched-deps.c: Likewise.
4368 * sibcall.c: Likewise.
4369 * simplify-rtx.c: Likewise.
4371 * ssa-ccp.c: Likewise.
4372 * stor-layout.c: Likewise.
4373 * timevar.c: Likewise.
4374 * toplev.c: Likewise.
4375 * unwind-dw2.c: Likewise.
4376 * unwind-dw2-fde.c: Likewise.
4377 * varasm.c: Likewise.
4379 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4381 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4382 or larger than an integer in memory.
4384 2001-08-17 Zack Weinberg <zackw@panix.com>
4386 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4387 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4388 * rtl.h: Don't forward-declare union tree_node here. Don't
4389 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4390 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4391 and tree respectively.
4392 * tree.h: Don't forward-declare struct rtx_def here. Don't
4393 typedef tree here. Change all uses of struct rtx_def *,
4394 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4395 and tree respectively.
4397 2001-08-17 Richard Henderson <rth@redhat.com>
4399 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4400 config/mips/openbsd.h: Fix typos last change.
4402 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4404 * doc/invoke.texi (Optimize Options): The default for
4405 -finline-limit is 600.
4407 2001-08-17 Richard Henderson <rth@redhat.com>
4409 * varasm.c (text_section): Allow TEXT_SECTION to override the
4410 printing of TEXT_SECTION_ASM_OP.
4411 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4412 (DATA_SECTION, BSS_SECTION): Remove.
4413 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4414 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4415 Rename from s/_NAME//.
4416 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4417 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4418 (TEXT_SECTION): ... here. New.
4419 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4420 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4421 * config/mips/openbsd.h: Likewise.
4422 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4423 (mips_asm_file_end): Likewise test.
4424 (mips_output_function_epilogue): Likewise. Switch back to data
4425 section after emitting the function.
4427 * doc/tm.texi (Sections): Document TEXT_SECTION.
4429 2001-08-17 Richard Henderson <rth@redhat.com>
4431 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4432 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4434 2001-08-17 Richard Henderson <rth@redhat.com>
4436 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4437 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4438 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4439 Add aligned attribute.
4441 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4443 * config/sh/sh.md: Add modes to unspecs in first insn to match
4444 those in the second.
4446 * Makefile.in: Fix collect2 copy for Cygwin.
4448 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4450 Install the proper patch.
4451 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4452 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4453 (expand_function_start): Likewise.
4454 * stmt.c (expand_decl): Likewise.
4455 * varasm.c (make_decl_rtx): Likewise.
4457 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4459 * final.c: Undo my previous accidental checkin.
4460 * output.h: Likewise.
4461 * tm.texi: Likewise.
4463 2001-08-16 Richard Henderson <rth@redhat.com>
4465 * varasm.c (named_section_flags): Remove align parameter.
4466 * varasm.c, dwarf2out.c: Update all callers.
4467 * output.h: Update prototypes.
4469 * target.h (target.asm_out.named_section): Remove align parameter.
4470 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4471 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4472 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4473 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4474 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4476 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4477 (get_named_section_flags, set_named_section_flags): New.
4478 (named_section_flags): Use them.
4479 (named_section): Do decl vs section flags check here...
4480 (default_section_type_flags): ... not here.
4481 (init_varasm_once): Create in_named_htab.
4482 (resolve_unique_section): Mark reloc unused.
4484 2001-08-16 Richard Henderson <rth@redhat.com>
4486 * varasm.c (force_const_mem): Keep pool alignment in bits.
4487 (output_constant_pool): Use assemble_align.
4489 2001-08-16 Zack Weinberg <zackw@panix.com>
4491 * doc/tm.texi: Remove extra @table command.
4493 2001-08-16 Zack Weinberg <zackw@panix.com>
4495 * final.c (shorten_branches): Clear the end of the label_align
4496 array only if we made it larger. Break up messy expressions
4499 * diagnostic.c (internal_error): Check for error recursion
4500 before doing ICE suppression.
4502 * timevar.c: Timing variables now count in milliseconds.
4503 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4504 (get_time): Not here.
4505 (timevar_print): Don't print any timer whose user, cpu, and
4506 wall times are all zero as displayed.
4507 * timevar.h: Update comment aboout units. Make timevar
4510 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4512 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4513 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4514 (expand_function_start): Likewise.
4515 * stmt.c (expand_decl): Likewise.
4516 * varasm.c (make_decl_rtx): Likewise.
4518 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4520 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4521 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4523 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4525 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4528 2001-08-16 Andreas Jaeger <aj@suse.de>
4530 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4533 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4535 * rtl.h (only_sets_cc0_p): New prototype.
4536 * jump.c (sets_cc0_p): Handle INSN.
4537 (only_sets_cc0_p): New function.
4538 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4539 (tidy_fallthru_edge): Likewise.
4540 * integrate.c (copy_insn_list): Likewise.
4541 * unroll.c (unroll_loop): Likewise.
4542 (copy_loop_body): Likewise.
4544 2001-08-15 Jason Eckhardt <jle@redhat.com>
4546 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4548 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4550 * predict.c (struct block_info_def): Remove nvisited.
4551 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4552 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4554 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4555 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4558 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4560 * predict.def: Update hitrates.
4562 2001-08-15 Richard Henderson <rth@redhat.com>
4564 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4566 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4568 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4569 note from its associated jump.
4571 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4573 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4574 also on 64-bit s390x targets.
4576 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4578 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4580 (arm_expand_prologue): Handled nested functions which take a
4581 variable argument list.
4582 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4583 macro with an invocation of
4584 arm_compute_initial_elimination_offset.
4585 * config/arm/arm-protos.h: Prototype
4586 arm_compute_initial_elimination_offset.
4588 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4590 * doc/install.texi (Specific, avr): Fix markup.
4591 (Specific, c4x): Ditto.
4593 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4595 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4597 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4599 * Makefile.in (OBJS): Add rtl-error.o
4600 (rtl-error.o): New rule.
4601 (diagnostic.o): Adjust dependency.
4602 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4603 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4604 warning_for_asm): Move to...
4605 rtl-error.c: ...here. New file.
4607 2001-08-14 Richard Henderson <rth@redhat.com>
4609 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4610 if USING_SJLJ_EXCEPTIONS.
4612 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4614 * tlink.c (scan_linker_output): Check string for unsatisfied in
4615 addition to undefined and unresolved.
4617 2001-08-14 Graham Stott <grahams@redhat.com>
4619 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4620 EH_FRAME_SECTION_NAME.
4622 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4624 * genattrtab.c (simplify_test_exp_in_temp): New function.
4625 (simplify_test_exp): Avoid explicit use of temporary obstack.
4626 (simplify_cond, insert_right_side, evaluate_eq_attr,
4627 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4628 Use simplify_test_exp_in_temp.
4629 (optimize_attrs): Iterate until expression stabilizes.
4631 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4633 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4634 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4636 2001-08-13 Richard Henderson <rth@redhat.com>
4638 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4639 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4640 * config/arm/conix-elf.h: Likewise.
4642 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4644 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4646 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4648 * gcse.c (hash_scan_set): Expressions that are set as part of
4649 jump instructions are not available.
4651 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4653 * config/s390/s390.c (print_operand, s390_function_prologue,
4654 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4656 2001-08-13 Richard Henderson <rth@redhat.com>
4658 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4659 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4660 * doc/tm.texi (Exception Region Output): Document it.
4662 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4664 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4665 DWARF2 instead of stabs by default.
4667 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4669 * config/rs6000/rs6000.c: Include optabs.h.
4671 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4673 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4674 save/restore routines.
4675 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4677 2001-08-13 Andreas Jaeger <aj@suse.de>
4679 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4680 the english is correct.
4682 2001-08-13 Zack Weinberg <zackw@panix.com>
4684 * expr.h: Split out optab- and libfunc-related code to...
4685 * optabs.h, libfuncs.h: ... these new headers.
4687 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4689 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4691 * mkconfig.sh: Don't include insn-codes.h from config.h.
4693 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4694 enum insn_code is available. Move reload_in_optab and
4695 reload_out_optab array declarations to optabs.h.
4696 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4697 there, prototype in expr.h.
4698 * gencodes.c: Cleanup: zap global variables, don't use
4699 printf where puts will do, don't bother defining MAX_INSN_CODE
4700 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4702 * genemit.c, genopinit.c: Include optabs.h in generated file.
4703 * genoutput.c: Include insn-codes.h in generated file.
4704 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4705 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4706 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4707 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4708 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4709 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4711 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4712 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4713 config/m88k/m88k.c, config/sparc/sparc.c:
4715 * reload.c: Include expr.h and optabs.h before reload.h.
4716 * config/alpha/alpha.c: Include tree.h before reload.h.
4717 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4718 and reload.h in that order.
4719 * config/sparc/sparc.c: Include debug.h.
4720 * recog.c: Include insn-codes.h.
4722 2001-08-13 Andreas Jaeger <aj@suse.de>
4724 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4727 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4729 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4730 * gcc.c (init_spec): Fix typo in comment.
4731 * varasm.c (data_section): Fix typo in comment.
4733 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4735 * predict.c (dump_prediction): New argument "USED".
4736 (combine_predictions_for_insn): Determine the used heuristics,
4737 output the case no heuristic applied.
4738 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4740 2001-08-13 Andreas Jaeger <aj@suse.de>
4742 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4745 2001-08-13 Kazu Hirata <kazu@hxi.com>
4747 * jump.c: Fix formatting.
4749 2001-08-13 Kazu Hirata <kazu@hxi.com>
4751 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4754 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4756 * loop.c (check_dbra_loop): Use condjump_label to compute
4759 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4760 to better document the files they're in.
4762 2001-08-12 Zack Weinberg <zackw@panix.com>
4764 * recog.h (struct insn_operand_data): Shrink 'mode' field
4767 2001-08-12 Kazu Hirata <kazu@hxi.com>
4769 * gcc.c: Fix comment formatting.
4770 * gccspec.c: Likewise.
4773 * genemit.c: Likewise.
4774 * gengenrtl.c: Likewise.
4775 * genrecog.c: Likewise.
4776 * gensupport.c: Likewise.
4777 * ggc-page.c: Likewise.
4778 * global.c: Likewise.
4779 * graph.c: Likewise.
4780 * ifcvt.c: Likewise.
4781 * integrate.c: Likewise.
4783 * libgcc2.c: Likewise.
4785 * mbchar.c: Likewise.
4786 * optabs.c: Likewise.
4787 * predict.c: Likewise.
4788 * prefix.c: Likewise.
4789 * profile.c: Likewise.
4790 * protoize.c: Likewise.
4792 * recog.c: Likewise.
4793 * regclass.c: Likewise.
4794 * regmove.c: Likewise.
4795 * reg-stack.c: Likewise.
4796 * reload1.c: Likewise.
4797 * resource.c: Likewise.
4798 * rtlanal.c: Likewise.
4801 2001-08-12 Kazu Hirata <kazu@hxi.com>
4803 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4804 a tree representing a constant is passed to the macro.
4806 2001-08-12 Richard Henderson <rth@redhat.com>
4808 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4809 (rs6000_elf_asm_out_destructor): New.
4810 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4811 (DTORS_SECTION_ASM_OP): Remove.
4812 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4813 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4815 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4818 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4819 * gcc.c (set_collect_gcc_options): New function, split out from
4821 Ignore elided switches.
4822 (do_spec_1): Invoke before executing command.
4823 (set_input): Export.
4824 Move declaration ...
4825 * gcc.h (set_input): ... here.
4826 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4829 2001-08-12 Richard Henderson <rth@redhat.com>
4831 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4832 thinko wrt TARGET_RELOCATABLE.
4834 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4836 * fix-header.c (cb_file_change): Update prototype.
4838 2001-08-11 Zack Weinberg <zackw@panix.com>
4840 * toplev.c (set_float_handler): Make static.
4841 * toplev.h: Don't prototype set_float_handler.
4843 * simplify-rtx.c: Don't include setjmp.h.
4844 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4846 (simplify_unary_operation, simplify_binary_operation): Use them,
4847 via do_float_handler.
4849 * fold-const.c: Don't include setjmp.h.
4850 (exact_real_inverse_1): New function.
4851 (exact_real_inverse): Use it, via do_float_handler.
4853 * varasm.c: Don't include setjmp.h.
4854 (assemble_real_1): New function.
4855 (assemble_real): Use it, via do_float_handler.
4856 Call internal_error if we get a trap here.
4858 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4859 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4861 2001-08-11 Zack Weinberg <zackw@panix.com>
4863 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4864 STACK_BOUNDARY if not already defined.
4866 * calls.c, function.c, reload1.c, explow.c: Don't default
4867 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4868 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4870 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4873 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4874 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4876 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4878 * cppmacro.c (enter_macro_context): Push macro expansions even
4881 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4883 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4884 (rs6000_elf_section_type_flags): Actually return a value.
4886 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4888 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4889 Clean up code: add missing comments and prototypes, fix warnings,
4890 remove obsolete code, fix spacing to conform to coding style.
4892 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4894 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4895 and TARGET_ASM_CLOSE_PAREN.
4896 (regclass_map): CC register belongs to class NO_REGS.
4897 (legitimize_pic_address): Don't generate unnecessary moves
4898 (to avoid confusing loop optimization).
4899 (check_and_change_labels): Replace jump_long by indirect_jump.
4900 (s390_final_chunkify): Don't start a new literal pool on section
4901 switch in 64-bit code.
4902 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4904 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4905 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4906 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4908 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4909 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4910 (CONST_COSTS): Fixed incorrect costs.
4912 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4913 Use emit_jump instead of emit_jump_insn (gen_jump).
4914 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4915 (to avoid confusing flow analysis).
4916 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4917 (casesi, casesi_jump): New.
4918 (jump_long): Removed. Functionality merged into indirect_jump.
4919 (indirect_jump): Accept address_operand, not just register_operand.
4920 (cjump_long, icjump_long): Use same logic as indirect_jump.
4921 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4922 Fixed broken setjmp/longjmp handling.
4923 (do_builtin_setjmp_setup): Removed.
4925 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4926 broken GNU as versions that don't accept .quad with large
4927 negative values. Use hexadecimal output instead.
4928 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4929 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4930 FUNCTION_EPILOGUE): Removed. Now in targetm.
4932 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4934 * config/s390/fixdfdi.h: Add missing copyright statement.
4935 Fix type conflicts on 64-bit. Add missing SFmode routines.
4937 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4940 2001-08-11 Richard Henderson <rth@redhat.com>
4942 * rtl.h (REG_EH_RETHROW): Remove.
4943 * rtl.c (reg_note_name): Update.
4944 * combine.c (distribute_notes): Don't check for it.
4946 2001-08-11 Richard Henderson <rth@redhat.com>
4948 * combine.c (distribute_notes): Place REG_SETJMP.
4950 2001-08-11 Richard Henderson <rth@redhat.com>
4952 * doc/extend.texi (Arrays and pointers implementation): Discourage
4953 relying on sign-extension of pointers.
4955 2001-08-11 H.J. Lu <hjl@gnu.org>
4957 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4959 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4960 RDATA_SECTION_ASM_OP.
4962 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4964 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4965 main manual to work both for info and HTML versions.
4967 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4968 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4970 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4971 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4972 (struct cpp_pool): New member first.
4973 * cppinit.c (append_include_chain): Plug memory leaks.
4974 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4975 Allocate pragma structures from the (aligned) macro pool to
4976 avoid leaking memory.
4977 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4978 so we don't leak memory.
4979 * hashtable.c (ht_destroy): New.
4980 * hashtable.h (ht_destroy): New.
4982 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4983 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4985 * c-lex.c (map): Make const.
4986 (cb_file_change): Update for callback passing a line map.
4987 Don't assume we have a previous map. Remove sanity check
4988 about popping too many files.
4989 * cpperror.c (print_location): Make map const.
4990 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4991 (cpp_make_system_header): Similarly.
4992 (search_from): Similarly.
4993 (_cpp_execute_include): Don't remember where we came from.
4994 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4995 (struct cpp_reader): Make map const.
4996 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4997 * cpplib.c (do_line): Update; line maps now hold sysp.
4998 (cpp_push_buffer): Similarly.
4999 (_cpp_do_file_change): Similarly; callback with map instead.
5000 (cpp_get_line_maps): Constify return value.
5001 (_cpp_pop_buffer): Update.
5002 * cpplib.h (struct cpp_file_change): Remove.
5003 (struct cpp_callbacks): Update.
5004 (cpp_get_line_maps): Constify return value.
5005 * cppmacro.c (_cpp_create_definition): Update.
5006 * cppmain.c (struct printer): Constify map.
5007 (maybe_print_line): Similarly.
5008 (print_line): Similarly. Deduce flags 1 and 2 here.
5009 (cb_file_change): Update.
5010 * line-map.c (free_line_maps): Warn regardless.
5011 (add_line_map): Return pointer to const. When passed NULL to_file
5012 with LC_LEAVE, use the obvious values for the return point so the
5013 caller doesn't have to figure them out.
5014 (lookup_line): Return pointer to const.
5015 (print_containing_files): Take pointer to const.
5016 * line-map.h (struct line_map): New members reason, sysp.
5017 (add_line_map): Return pointer to const.
5018 (lookup_line): Similarly.
5019 (print_containing_files): Take pointer to const.
5021 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5022 Richard Henderson <rth@redhat.com>
5024 * regmove.c (regmove_optimize): Avoid setting a register twice in
5027 2001-08-10 Richard Henderson <rth@redhat.com>
5029 * doc/extend.texi (Arrays and pointers implementation): Document
5030 behavior of pointer/integer conversion.
5032 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5034 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5036 2001-08-10 Richard Henderson <rth@redhat.com>
5038 * doc/extend.texi (C Implementation): New chapter.
5039 * doc/gcc.texi (Top): Link it in.
5041 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5043 * doc/install.texi (Specific): Fix CVS merge botch.
5045 2001-08-10 Richard Henderson <rth@redhat.com>
5047 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5048 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5050 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5052 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5053 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5054 this macro is now required.
5056 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5057 loop.c (find_and_verify_loops), reload.c (reload): Check
5058 for rtx code of CALL_INSN, not CALL, when deciding if we
5059 need to check for REG_SETJMP note.
5061 * gcse.c (compute_hash_table, compute_store_table): Update
5062 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5065 * config/avr/avr.c: Fix typo.
5066 * config/convex/convex.c (expand_movstr): Use adjust_address.
5067 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5069 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5070 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5072 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5073 Do define STACK_BOUNDARY.
5074 * config/i370/i370.c: Include expr.h.
5075 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5076 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5077 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5078 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5079 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5080 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5081 * config/romp/romp.c: Include expr.h after tree.h.
5083 (output_fpop): Use xmalloc, not oballoc.
5084 * config/we32k/we32k.c: Include expr.h.
5086 2001-08-10 Kazu Hirata <kazu@hxi.com>
5088 * config/h8300/h8300.h: Fix formatting.
5090 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5092 * c-common.h (RETURN_NULLIFIED_P): Lose.
5093 * c-semantics.c (genrtl_return_stmt): Don't check it.
5095 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5097 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5098 (mips_annotate_frame_insn): New function.
5099 (mips_emit_frame_related_store): New function.
5100 (save_restore_insns): Don't mark instructions that set up the base
5101 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5102 the store instructions instead.
5103 (mips_expand_prologue): If the stack size is moved into a temporary
5104 register, do not mark that move as frame-related. Add a
5105 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5107 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5109 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5110 stack slot as unchanging if current_function_calls_eh_return.
5112 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5114 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5115 access the second half of the TFmode scratch operand.
5117 2001-08-10 Anthony Green <green@redhat.com>
5119 * java/class.c (emit_register_classes): Conditionalize code on
5122 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5124 * doc/install.texi (Specific, avr): Fix cross-reference to the
5125 main manual to work both for info and HTML versions.
5127 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5129 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5130 and "use_goto" argument.
5131 (expand_null_return, expand_value_return): Update all callers.
5132 * function.c (expand_function_end): Remove code to generate simple
5134 * config/vax/vax.md (epilogue): New expander for function return.
5135 * doc/md.texi (epilogue): Remove "if defined".
5137 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5139 * Makefile.in: Partially revert my previous change:
5140 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5141 of the hashtab.o and safe-ctype.o rules.
5143 2001-08-09 Richard Henderson <rth@redhat.com>
5145 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5146 (USE_COLLECT2): Remove duplicate definition.
5147 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5148 (use_collect2): Remove dead code.
5149 * configure.in (use_collect2): Remove will_use_collect2 and
5150 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5151 * configure: Rebuild.
5153 * target.h (targetm.asm_out.constructor): New.
5154 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5155 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5156 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5157 * varasm.c (in_ctors, in_dtors): New.
5158 (assemble_constructor, assemble_destructor): Remove.
5159 (default_stabs_asm_out_destructor): New.
5160 (default_named_section_asm_out_destructor): New.
5161 (dtors_section, default_dtor_section_asm_out_destructor): New.
5162 (default_stabs_asm_out_constructor): New.
5163 (default_named_section_asm_out_constructor): New.
5164 (ctors_section, default_ctor_section_asm_out_constructor): New.
5165 * output.h: Update declarations.
5166 * c-decl.c (c_expand_body): Use target hooks instead of
5167 assemble_constructor and assemble_destructor.
5168 * profile.c (output_func_start_profiler): Likewise.
5169 * objc/objc-act.c (finish_objc): Likewise.
5170 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5171 for the constructor.
5172 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5174 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5175 (DTORS_SECTION_ASM_OP): Likewise.
5176 (__CTOR_LIST__): Use attribute section when possible.
5177 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5179 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5180 ASM_OUTPUT_CONSTRUCTOR.
5182 * config/darwin.c (machopic_asm_out_constructor): New.
5183 (machopic_asm_out_destructor): New.
5184 * config/darwin-protos.h: Update declarations.
5185 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5186 (ASM_OUTPUT_DESTRUCTOR): Remove.
5187 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5188 * config/nextstep.c (nextstep_asm_out_constructor): New.
5189 (nextstep_asm_out_destructor): New.
5190 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5191 (ASM_OUTPUT_DESTRUCTOR): Remove.
5192 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5193 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5194 ASM_OUTPUT_*STRUCTOR.
5195 * config/i386/aix386ng.h: Likewise.
5197 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5198 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5199 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5200 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5201 * config/lynx.h: Likewise.
5202 * config/netware.h: Likewise.
5203 * config/psos.h: Likewise.
5204 * config/alpha/alpha-interix.h: Likewise.
5205 * config/alpha/elf.h: Likewise.
5206 * config/arc/arc.h: Likewise.
5207 * config/arm/aof.h: Likewise.
5208 * config/arm/coff.h: Likewise.
5209 * config/arm/elf.h: Likewise.
5210 * config/c4x/c4x.h: Likewise.
5211 * config/h8300/h8300.h: Likewise.
5212 * config/i386/cygwin.h: Likewise.
5213 * config/i386/djgpp.h: Likewise.
5214 * config/i386/i386-coff.h: Likewise.
5215 * config/i386/i386-interix.h: Likewise.
5216 * config/i386/sco5.h: Likewise.
5217 * config/i386/vsta.h: Likewise.
5218 * config/i386/win32.h: Likewise.
5219 * config/i960/i960-coff.h: Likewise.
5220 * config/ia64/sysv4.h: Likewise.
5221 * config/m68hc11/m68hc11.h: Likewise.
5222 * config/m68k/coff.h: Likewise.
5223 * config/m68k/mot3300.h: Likewise.
5224 * config/m88k/m88k.h: Likewise.
5225 * config/mcore/mcore-pe.h: Likewise.
5226 * config/mcore/mcore.h: Likewise.
5227 * config/mips/elf.h: Likewise.
5228 * config/mips/elf64.h: Likewise.
5229 * config/mips/iris6.h: Likewise.
5230 * config/pa/pa64-hpux.h: Likewise.
5231 * config/rs6000/sysv4.h: Likewise.
5232 * config/sh/sh.h: Likewise.
5233 * config/sparc/litecoff.h: Likewise.
5235 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5236 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5237 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5238 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5239 (ASM_OUTPUT_DESTRUCTOR): Remove.
5240 * config/a29k/a29k.c: Move include of tree.h.
5241 * config/a29k/udi.h: Delete file.
5242 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5243 (vms_asm_out_destructor): New.
5244 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5245 (EXTRA_SECTION_FUNCTIONS): Likewise.
5246 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5247 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5248 * config/c4x/c4x.c: Move include of tree.h.
5249 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5250 (clix_asm_out_destructor): New.
5251 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5252 (ASM_OUTPUT_DESTRUCTOR): Remove.
5253 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5254 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5255 (TARGET_ASM_CONSTRUCTOR): New.
5256 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5257 (sco_asm_out_constructor): New.
5258 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5259 * config/i386/svr3gas.h: Remove stack grows up code.
5260 Remove code duplicated from i386/sysv3.h.
5261 (TARGET_ASM_CONSTRUCTOR): New.
5262 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5263 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5264 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5265 (TARGET_ASM_CONSTRUCTOR): New.
5266 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5267 (m68hc11_asm_out_destructor): New.
5268 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5269 (TARGET_ASM_DESTRUCTOR): New.
5270 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5271 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5272 config/svr3.h pertaining to section manipulation.
5273 * config/m68k/dpx2g.h: Remove #if 0 code.
5274 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5275 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5276 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5277 (TARGET_ASM_CONSTRUCTOR): New.
5278 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5279 (m88k_svr3_asm_out_constructor): New.
5280 (m88k_svr3_asm_out_destructor): New.
5281 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5282 (ASM_OUTPUT_DESTRUCTOR): Remove.
5283 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5284 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5285 * config/rs6000/aix.h: Likewise.
5286 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5287 * config/mips/vxworks.h: Likewise.
5288 * config/rs6000/lynx.h: Likewise.
5289 * config/sh/elf.h: Likewise.
5290 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5291 (DTORS_SECTION_ASM_OP): New.
5292 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5293 (ASM_OUTPUT_DESTRUCTOR): Remove.
5294 * config/sparc/sol2-sld-64.h: Likewise.
5295 * config/vax/vax.c (vms_asm_out_constructor): New.
5296 (vms_asm_out_destructor): New.
5297 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5298 (ASM_OUTPUT_DESTRUCTOR): Remove.
5299 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5301 * doc/tm.texi (@node Initialization): Update.
5303 2001-08-09 Richard Henderson <rth@redhat.com>
5305 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5306 (__do_global_dtors_aux): Use gp-relative static data to avoid
5307 one dynamic relocation.
5308 (__do_frame_setup): Register Java classes.
5309 * config/alpha/crtend.asm (__JCR_END__): New.
5311 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5313 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5314 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5315 (GEN, STAGESTUFF): Add new files.
5316 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5317 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5318 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5319 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5320 as well as insn-codes.h and insn-flags.h in config.h; and no
5321 extra headers in tconfig.h and hconfig.h.
5323 * gencodes.c: Eliminate code to generate predicate declarations
5324 or #defines for md-file constants.
5325 * genconstants.c, genpreds.c: New files.
5327 * i386.md: Re-order guard expressions such that TARGET_64BIT
5328 comes first, when this permits better optimization. Add
5329 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5330 why this is desirable.
5332 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5334 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5335 (find_fde_for_dso): Remove.
5336 (_Unwind_IteratePhdrCallback): New.
5337 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5338 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5340 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5342 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5343 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5345 2001-08-09 Graham Stott <grahams@redhat.com>
5347 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5348 (vis_no_unit): Use it.
5349 (visualize_no_unit): Add the insn only if room exists.
5351 2001-08-09 Graham Stott <grahams@redhat.com>
5353 * predict.c (estimate_probability): Replace magic numbers with
5354 appropriate enumeration.
5356 2001-08-09 Graham Stott <grahams@redhat.com>
5358 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5360 (EXTRACT_FLAGS): Likewise.
5362 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5364 * config/mips/mips.c (mips_legitimate_address_p): Check for
5365 CONST_INT in last patch.
5367 2001-08-08 Anthony Green <green@redhat.com>
5369 * java/class.c (emit_register_classes): Use assemble_jcr if
5370 possible. Keep the original mechanism as a fallback.
5371 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5372 and weak symbol support.
5373 * crtstuff.c (__JCR_LIST__): Define.
5374 (__JCR_END__): Define.
5375 (_Jv_RegiserClasses): Define weak symbol if possible.
5376 (__do_global_ctors_aux): Register classes for ELF targets with
5377 weak symbol support.
5379 2001-08-08 Kazu Hirata <kazu@hxi.com>
5381 * dbxout.c: Fix comment formatting.
5382 * dependence.c: Likewise.
5384 * diagnostic.c: Likewise.
5385 * dominance.c: Likewise.
5386 * doprint.c: Likewise.
5387 * dwarf2out.c: Likewise.
5388 * dwarfout.c: Likewise.
5389 * emit-rtl.c: Likewise.
5390 * except.c: Likewise.
5391 * explow.c: Likewise.
5392 * expmed.c: Likewise.
5395 * fold-const.c: Likewise.
5396 * function.c: Likewise.
5398 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5400 * global.c (retry_global_alloc): Avoid shadowing allocno.
5402 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5404 * except.c (remove_fixup_regions): Fix typo.
5406 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5408 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5409 unsigned HOST_WIDE_INT to avoid warning.
5410 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5411 * flow.c (set_block_for_new_insns): Likewise.
5413 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5415 * sibcall.c (return_value_pseudo): New static variable.
5416 (skip_copy_to_return_value): Handle return_value_pseudo.
5417 (call_ends_block_p): Ensure that return_value_pseudo is set.
5418 (optimize_sibling_and_tail_recursive_call): Discover the
5419 load of pseudo return value in alternate exit block.
5421 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5423 * calls.c (ECF_ALWAYS_RETURN): New constant.
5424 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5425 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5426 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5427 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5428 * rtl.c (reg_note_name): New name.
5429 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5431 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5433 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5435 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5437 * alias.c (get_alias_set): Return a previously calculated
5438 alias set for a VAR_DECL.
5439 * function.c (gen_mem_addressof): Calculate the alias set before
5442 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5444 * predict.def: Set hitrates according our experimental run.
5446 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5448 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5450 2001-08-08 H.J. Lu <hjl@gnu.org>
5452 * config/mips/mips.c (mips_unique_section): New. Copied from
5455 * config/mips/mips-protos.h (mips_unique_section): New
5458 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5460 * config/mips/little.h: New. Generic little endian mips
5461 targets. Only mips*-*-linux* is converted to use it so far.
5463 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5464 (WCHAR_TYPE): Defined
5465 (WCHAR_TYPE_SIZE): Likewise.
5466 (INIT_SUBTARGET_OPTABS): Likewise.
5467 (BSS_SECTION_ASM_OP): Likewise.
5468 (SBSS_SECTION_ASM_OP): Likewise.
5469 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5470 (ASM_DECLARE_OBJECT_NAME): Likewise.
5471 (UNIQUE_SECTION): Likewise.
5472 (EXTRA_SECTIONS): Likewise.
5473 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5474 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5475 (ASM_OUTPUT_DEF): Likewise.
5476 (HANDLE_SYSV_PRAGMA): Removed.
5477 (NO_IMPLICIT_EXTERN_C): Likewise.
5478 (TARGET_MEM_FUNCTIONS): Likewise.
5479 (STARTFILE_SPEC): Likewise.
5480 (ENDFILE_SPEC): Likewise.
5481 (LIB_SPEC): Likewise.
5482 (INVOKE__main): Likewise.
5483 (CTOR_LIST_BEGIN): Likewise.
5484 (CTOR_LIST_END): Likewise.
5485 (DTOR_LIST_BEGIN): Likewise.
5486 (DTOR_LIST_END): Likewise.
5487 (SET_ASM_OP): Likewise.
5488 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5489 (ASM_OUTPUT_DEF): Likewise.
5490 (ASM_OUTPUT_IDENT): Likewise.
5492 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5493 (CPLUSPLUS_CPP_SPEC): Likewise.
5494 (ASM_APP_ON) Redefine only if not defined.
5495 (ASM_APP_OFF): Likewise.
5496 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5497 (ASM_OUTPUT_IDENT): Likewise.
5499 * config.gcc: Update tm_file for Linux/mips.
5501 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5503 * cselib.c (cselib_record_sets): If insn is predicated, turn
5504 sources into IF_THEN_ELSEs.
5506 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5507 Turn into define_insn_and_split.
5509 * sched-deps.c: Include "cselib.h".
5510 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5511 Use cselib to turn memory addresses into VALUEs.
5512 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5513 * sched-int.h (struct sched_info): New member USE_CSELIB.
5514 * sched-ebb.c (ebb_sched_info): Initialize it.
5515 * sched-rgn.c (rgn_sched_info): Likewise.
5516 * Makefile.in (sched-deps.o): Update dependencies.
5518 * cselib.h (cselib_subst_to_values): Declare.
5519 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5520 that have no value and autoincs to be handled by generating a new
5523 2001-08-08 Graham Stott <grahams@redhat.com>
5525 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5526 within fixed length SEQUENCE.
5528 2001-08-08 Graham Stott <grahams@redhat.com>
5530 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5531 (diagnostic_prefixing_rule): Likewise.
5532 (diagnostic_line_cutoff): Likewise.
5533 (diagnostic_kind_count): Likewise.
5535 2001-08-08 Graham Stott <grahams@redhat.com>
5537 * alias.c (find_base_decl): Delete redundent assignment.
5539 2001-08-08 Graham Stott <grahams@redhat.com>
5541 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5542 (abs): Uppercase and paranthesize macro parameter.
5543 (MEM_DEPENDENCY): Add whitespace.
5545 2001-08-08 Graham Stott <grahams@redhat.com>
5547 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5548 failure check for CONST_INT
5550 2001-08-08 Graham Stott <grahams@redhat.com>
5552 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5553 (libcall_dead_p): Likewise.
5555 (mark_used_regs): Constify fmt.
5556 (find_use_as_address): Likewise.
5558 2001-08-08 Graham Stott <grahams@redhat.com>
5560 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5563 2001-08-08 Graham Stott <grahams@redhat.com>
5565 * combine.c (combine_simplify_rtx): Update comment and
5566 remove erroneous test.
5568 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5570 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5571 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5572 take care to avoid multiple no-newline at EOF warnings in that
5575 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5577 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5578 (emit_library_call_value_1): Likewise.
5579 (emit_call_1): Emit REG_SETJMP note.
5580 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5582 * cselib.c (cselib_process_insn): Likewise.
5583 * flow.c (propagate_block): Likewise.
5584 * loop.c (find_and_verify_loops): Likewise.
5585 * reload.c (find_equiv_regs): Likewise.
5586 * reload1.c (reload): Likewise.
5587 * resource.c (mark_referenced_resources,
5588 mark_set_resources): Likewise.
5589 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5590 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5591 * haifa-sched.c (unlink_other_notes): Likewise.
5592 (reemit_notes): Likewise.
5593 * sched-ebb.c (sched_ebb): Likewise.
5594 * sched-rgc.c (sched_region): Likewise.
5595 * rtl.c (note_insn_name): Likewise.
5596 (reg_note_name): Add REG_SETJMP
5597 * rtl.h (reg_note): Add REG_SETJMP.
5598 (insn_note): Remove NOTE_INSN_SETJMP.
5600 * profile.c (branch_prob): Add fake edges for setjmp.
5602 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5604 * config.gcc: Quote target_cpu_default2 correctly for
5605 powerpc*-*-* targets.
5607 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5609 * cpplib.h, line-map.h: Update comments.
5610 * cppmain.c (printer_init): Move inline.
5611 (maybe_print_line, print_line): Take a map pointer.
5612 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5613 (cb_file_change): Don't use prior value of print.map.
5615 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5617 * doc/install.texi: Document fine-grained multilib configuration.
5619 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5621 * rtlanal.c (find_first_parameter_load): Call note_stores
5622 only on the instructions.
5624 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5626 * alias.c (nonlocal_mentioned_p):
5627 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5628 * calls.c (emit_call_1): Likewise.
5629 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5630 * cselib.c (cselib_process_insn): Likewise.
5631 * df.c (df_insns_modify): Likewise.
5632 * flow.c (need_fake_edge_p): Likewise.
5633 (propagate_one_insn): Likewise.
5634 * haifa-sched.c (reemit_notes): Likewise.
5635 * integrate.c (copy_insn_list): Likewise.
5636 * jump.c (delete_prior_computation): Likewise.
5637 * local-alloc.c (validate_equiv_mem): Likewise.
5638 * loop.c (scan_loop): Likewise.
5639 * predict.c (estimate_probability): Likewise.
5640 * reload.c (reload): Likewise.
5641 * sched-deps (sched_analyze): Likewise.
5642 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5643 * gcse.c (compute_hash_table): Likewise.
5644 (mark_call): Likewise.
5645 (store_killed_in_insn): Likewise.
5647 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5649 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5651 2001-08-06 Richard Henderson <rth@redhat.com>
5653 * varasm.c (assemble_gc_entry): Remove.
5654 * output.h: Likewise.
5656 2001-08-06 Richard Henderson <rth@redhat.com>
5658 * varasm.c (assemble_constructor): Take a symbol_ref and a
5659 priority instead of a bare string. Move priority handling
5660 here from cp/decl2.c.
5661 * output.h: Update decls.
5663 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5664 and assemble_destructor.
5665 * profile.c (output_func_start_profiler): Likewise.
5666 * objc/objc-act.c (finish_objc): Likewise.
5667 (build_module_descriptor): Return the symbol not the symbol name.
5669 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5671 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5672 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5673 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5674 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5675 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5676 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5678 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5680 * cpperror.c (print_containing_files): Moved to line-map.c.
5681 (print_location): line-map.c handles re-listing or otherwise.
5682 * cpphash.h (struct lexer_state): Remove next_bol.
5683 (struct cpp_buffer): Remove include_stack_listed.
5684 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5685 Remove faked buffer handling.
5686 (_cpp_do_file_change): Tweak.
5687 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5688 * cppmain.c (struct printer): Remove filename.
5689 (print_line, cb_file_change): Update accordingly.
5690 * line-map.c: Include intl.h.
5691 (init_line_maps): Initialize last_listed.
5692 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5693 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5694 (print_containing_files): New.
5695 * line-map.h (struct line_maps): New member last_listed.
5696 (print_containing_files, INCLUDED_FROM): New.
5697 * Makefile.in: Update.
5698 * po/POTFILES.in: Add line-map.c.
5700 2001-08-06 Richard Henderson <rth@redhat.com>
5702 * except.c (convert_from_eh_region_ranges_1): Never mark
5703 USE or CLOBBER insns as throwing.
5705 * expr.c (store_constructor): Don't clobber memory targets.
5707 2001-08-06 Andreas Jaeger <aj@suse.de>
5709 * profile.c (branch_prob): Remove unused variable insn.
5711 * Makefile.in (local-alloc.o): Add dependency on except.h.
5713 * local-alloc.c: Include except.h for can_throw_internal prototype.
5715 2001-08-06 Richard Henderson <rth@redhat.com>
5717 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5718 * function.c (expand_main_function): Implement it.
5719 * doc/tm.texi: Document it.
5721 2001-08-06 Stan Shebs <shebs@apple.com>
5723 * doc/install.texi: Document powerpc-*-darwin* details.
5725 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5727 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5728 (ASM_CPU_SPEC): Move back to rs6000.h
5729 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5731 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5733 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5736 * config/rs6000/linux64.h: Ditto.
5738 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5739 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5742 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5743 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5745 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5748 2001-08-05 Richard Henderson <rth@redhat.com>
5750 * local-alloc.c (update_equiv_regs): Do not move insns that
5753 2001-08-05 Jan Hubicka <jh@suse.cz>
5755 * Makefile.in (reload1.o): Add dedendancy on except.h
5756 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5758 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5759 indicating wehther edges has been cleaned up.
5760 * reload1.c: Inlucde except.h
5761 (fixup_abnormal_edges): Accept deleted insns.
5762 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5765 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5767 * cpplib.c (do_line): Correct line number after pop_buffer.
5769 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5771 PR preprocessor/3824
5772 * line-map.c: Update comments.
5773 * line-map.h: Update comments.
5774 * tradcif.y: Don't consider large numbers unsigned.
5776 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5778 PR preprocessor/3081
5779 * c-lex.c (map): New.
5780 (cb_file_change): Update map and use it.
5781 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5782 (c_lex): Update to use map.
5783 * cpperror.c (print_location): Move to using logical line numbers.
5784 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5785 (cpp_make_system_header): Similarly.
5786 (_cpp_execute_include): Stop line numbering hacks. Store the
5787 line we will return to.
5788 * cpphash.h (CPP_BUF_LINE): Remove.
5789 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5790 Add map and return_to_line.
5791 (_cpp_do_file_change): Update.
5792 * cppinit.c (cpp_start_read): Update line kludge.
5793 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5794 (trigraph_ok): Use logical line numbers for diagnostics.
5795 (skip_block_comment): Likewise.
5796 (skip_whitespace): Likewise.
5797 (skip_line_comment): Use pfile->line instead.
5798 (_cpp_lex_token): Update to use logical line numbering exclusively.
5799 Handle BOL locally. Accept new lines in directives, but keep
5800 pfile->line decremented. Diagnostics use logical lines. Update
5802 * cpplib.c (SEEN_EOL): New.
5803 (skip_rest_of_line, check_eol): Use it.
5804 (end_directive): Increase line number when accepting the newline
5805 at the end of a directive.
5806 (run_directive): Simplify.
5807 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5808 (_cpp_do_file_change): Update to take buffer line number as an
5809 argument, and store the current map in the cpp_reader. Remove
5810 line number kludges.
5811 (_cpp_do__Pragma): Restore output position after a _Pragma.
5812 (cpp_push_buffer): Don't set output line or lineno.
5813 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5814 Remove line kludge. Set output_line.
5815 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5816 (parse_arg): Use logical lines.
5817 (save_lookahead_token): Save EOFs too now.
5818 * cppmain.c (struct printer): Fix comments.
5819 (printer_init): Simplify, let caller do errors.
5820 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5821 (maybe_print_line): Simplify.
5822 (print_line): Don't print a linemarker if -P.
5823 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5824 (cb_file_change): Simplify.
5825 * line-map.h (LAST_SOURCE_LINE): Fix.
5826 (CURRENT_LINE_MAP): New.
5828 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5830 * doloop.c (doloop_modify_runtime): Properly compute number of
5831 iterations if loop was unrolled.
5833 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5834 if their CSELIB_VAL_PTRs are.
5836 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5837 (setup_spill_pointers): Initialize it.
5838 (spill_restore_mem): Set it.
5839 (do_spill, do_restore): Use it to add REG_INC note.
5840 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5842 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5843 asms if other insns are available.
5845 * config/ia64/ia64.c (condop_operator): New predicate.
5846 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5847 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5850 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5851 temporary register than directly using a MEM.
5853 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5855 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5856 parameter in last change.
5858 2001-08-04 Zack Weinberg <zackw@panix.com>
5860 * sparc.md: Don't use #if inside C test expression.
5862 2001-08-04 Richard Henderson <rth@redhat.com>
5864 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5866 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5868 * cpphash.h (struct cpp_reader): New member directive_line.
5869 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5870 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5871 do_pragma): Pass line to callbacks.
5872 (start_directive): Record line of directive.
5873 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5874 cb_include): Similarly.
5875 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5878 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5880 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5883 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5885 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5887 * reload1.c (fixup_abnormal_edges): New static function.
5890 * flow.c (need_fake_edge_p): New function.
5891 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5892 avoid call insn to be very last insn in the insn stream.
5894 * profile.c (branch_prob): Call flow_call_edges_add instead of
5895 doing that by hand; cleanup cfg to re-merge basic blocks once
5898 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5900 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5901 are also on line-map.h.
5902 * cppfiles.c (stack_include_file): Update.
5903 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5904 (_cpp_pop_buffer): New.
5905 * cppinit.c (cpp_destroy, cpp_finish): Update.
5906 (do_includes): Mark each buffer to return at EOF.
5907 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5908 return as requested.
5909 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5910 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5911 * cpplib.h (cpp_pop_buffer): Remove.
5912 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5913 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5915 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5917 (do_preprocessing): Update.
5918 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5919 * c-parse.in (_yylex): Similarly.
5920 * scan-decls.c (scan_decls): Similarly.
5921 * line-map.h: Update comments.
5923 * objc/Make-lang.in (objc-act.o): Update dependencies.
5925 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5927 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5928 and soft register for operand 0.
5929 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5931 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5933 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5934 register for operand 0.
5935 ("bitcmpqi_z_used"): Allow memory for operand 0.
5936 (split "bitcmpqi"): New split to handle address reg as operand 1.
5938 2001-08-04 Andreas Jaeger <aj@suse.de>
5940 * gcse.c: Revert Daniel's last patch.
5942 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5944 * sparc-protos.h: Add prototypes for fp_zero_operand and
5946 * sh-protos.h: Add prototype for fpul_operand.
5948 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5950 * doc/extend.texi (Other Builtins): Fix typo in last change.
5952 2001-08-03 Richard Henderson <rth@redhat.com>
5954 * target.h (gcc_target): Add asm_out.named_section,
5955 section_type_flags, have_named_sections.
5956 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5957 (TARGET_HAVE_NAMED_SECTIONS): New.
5958 (TARGET_SECTION_TYPE_FLAGS): New.
5960 * Makefile.in (toplev.o): Depend on TARGET_H.
5961 (varasm.o, dbxout.o): Likewise.
5962 * c-common.c (decl_attributes): Check targetm.have_named_sections
5963 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5964 * dbxout.c (dbxout_function_decl): Likewise.
5965 (dbxout_function_end): Likewise.
5966 * toplev.c (compile_file): Likewise.
5967 * varasm.c (exception_section): Likewise.
5968 * cp/decl2.c (finish_objects): Likewise.
5970 * defaults.h (EH_FRAME_SECTION): Remove.
5971 (EH_FRAME_SECTION_ASM_OP): Remove.
5972 (EH_FRAME_SECTION_NAME): New.
5973 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5974 (UNIQUE_SECTION_P): Remove.
5975 * dwarf2out.c (SECTION_FORMAT): Remove.
5976 (ASM_OUTPUT_SECTION): Remove.
5977 (output_call_frame_info): Use named_section_flags.
5978 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5979 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5980 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5981 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5982 (named_section_flags): New.
5983 (named_section): Use it and targetm.section_type_flags.
5984 (resolve_unique_section): New.
5985 (assemble_start_function): Use it.
5986 (asm_emit_uninitialised, assemble_variable): Likewise.
5987 (default_section_type_flags): New.
5988 (default_no_named_section, default_elf_asm_named_section): New.
5989 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5990 * output.h: Update varasm.c decls.
5991 (SECTION_*): New flags.
5993 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5994 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5996 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5997 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5998 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5999 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6000 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6001 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6002 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6003 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6004 * config/pa/pa64-hpux.h,
6006 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6007 (TARGET_ASM_NAMED_SECTION): New.
6008 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6009 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6010 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6011 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6012 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6013 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6014 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6015 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6016 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6017 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6018 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6019 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6020 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6021 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6022 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6023 * config/sparc/sysv4.h: Likewise.
6025 * config/nextstep.h: Error until named sections implemented.
6027 * config/a29k/a29k.c (a29k_asm_named_section): New.
6028 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6029 (vms_section_type_flags, vms_asm_named_section): New.
6030 * config/arm/arm.c (arm_elf_asm_named_section): New.
6031 * config/avr/avr.c (asm_output_section_name): Remove.
6032 * config/avr/avr-protos.h: Update.
6033 * config/c4x/c4x.c (c4x_asm_named_section): New.
6034 * config/h8300/h8300.c (h8300_asm_named_section): New.
6035 * config/i386/i386.c (sco_asm_named_section): New.
6036 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6037 (i386_pe_section_type_flags): New.
6038 (i386_pe_asm_named_section): New.
6039 * config/i386/i386-protos.h: Update.
6040 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6041 * config/mcore/mcore.c (mcore_asm_named_section): New.
6042 * config/mips/mips.c (iris6_asm_named_section): New.
6043 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6044 instead of UNIQUE_SECTION_P.
6045 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6046 (xcoff_asm_named_section): New.
6047 * config/sh/sh.c (sh_asm_named_section): New.
6048 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6050 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6051 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6052 (EH_FRAME_SECTION_NAME): New.
6053 (EXCEPTION_SECTION): New.
6054 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6055 (DEBUG_*_SECTION): Remove.
6056 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6057 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6058 (EH_FRAME_SECTION_ASM_OP): Remove.
6060 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6061 (ASM_OUTPUT_SECTION_NAME): Remove.
6062 (TARGET_ASM_NAMED_SECTION): New.
6063 (TARGET_HAVE_NAMED_SECTIONS): New.
6064 (TARGET_SECTION_TYPE_FLAGS): New.
6065 (EH_FRAME_SECTION_ASM_OP): Remove.
6066 (EH_FRAME_SECTION_NAME): New.
6068 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6070 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6071 for complex expressions when cfun == 0.
6072 * doc/extend.texi: Document that __builtin_constant_p can be
6073 used in data initializers as well as functions.
6075 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6077 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6078 variable I locally, instead of expecting a declaration in the
6081 2001-08-03 Richard Henderson <rth@redhat.com>
6083 * except.c (collect_one_action_chain): Add an explicit cleanup
6084 action if regions surrounding a catch were encoded entirely
6085 within the call-site entry.
6087 2001-08-03 Richard Henderson <rth@redhat.com>
6089 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6090 don't take REGNO of a non-register.
6092 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6094 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6095 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6096 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6097 (__gthread_mutex_init_function): New function for mutex initialization.
6099 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6101 * Makefile.in: Revert screwed up commit.
6103 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6105 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6106 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6107 merged by linker script to get a final _exit().
6108 (__do_global_dtors): New for destructor handling in specific exit
6110 (__do_global_ctors): New for constructors in specific install section.
6111 (__map_data_section): Map data sections before running constructors.
6112 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6113 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6114 (DTORS_SECTION_ASM_OP): Likewise.
6115 (CTORS_SECTION_FUNCTION): Define to force a reference to
6117 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6119 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6121 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6123 * Makefile.in: Add df.h to gcse.c dependencies.
6125 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6127 * varasm.c (output_constant_def_contents): Use for the length of a
6128 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6129 depending on which is larger.
6131 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6133 * gcse.c: Include df.h for use as a dataflow analyzer.
6135 Declaration of reg_set_info: gone.
6136 New df_analyzer variable used by store motion.
6137 (reg_set_info): Deleted.
6138 (mark_mem_regs): New function, analyze regs used by a mem.
6139 (store_ops_ok): Use dataflow analyzer results to determine if
6140 necessary regs are changed in the block.
6141 (find_moveable_store): Remove check for symbol ref, we can handle
6142 much more complex expressions now.
6143 (compute_store_table): Remove most of the code, it's unnecessary
6144 now that the dataflow analyzer records the info for us.
6145 (store_killed_after): Add parameter to say whether to do the
6146 store_ops_okay test, used to speed up testing when we already know
6147 the answer, and just want to know if the store itself was killed.
6148 (build_store_vector): Largely rewritten to calculate the various
6149 vectors properly, and somewhat optimized.
6150 (store_motion): Init the df_analyzer, get REG_DEF chains.
6151 Also handle trapping expressions (since mems almost always trap)
6152 (simple_mem): Redefine what a simple mem is.
6154 2001-08-03 DJ Delorie <dj@redhat.com>
6156 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6157 set from a constant part of the condition.
6159 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6161 * mkdeps.c (deps_add_default_target): Make local variable
6162 ``start'' a const char pointer.
6163 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6165 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6167 * doc/install.texi (Configuration): Fix markup.
6168 (Specific, i?86-*-udk): Likewise.
6169 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6171 Document --enable-threads and --enable-libgcj status.
6172 (Specific, mips-sgi-irix*): Canonicalize triples.
6173 (Specific, mips-sgi-irix5): Warn about problems with this config.
6174 Mention required GNU as patch.
6175 Native assembler problems are fixed.
6176 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6177 Document --enable-threads and --enable-libgcj status.
6179 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6181 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6184 2001-08-03 Richard Henderson <rth@redhat.com>
6186 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6189 2001-08-03 Richard Henderson <rth@redhat.com>
6191 * rtlanal.c (find_first_parameter_load): Stop if we
6192 reach a CODE_LABEL at BOUNDARY.
6194 2001-08-03 Richard Henderson <rth@redhat.com>
6196 * config/alpha/alpha.md (force_movdi): New insn.
6197 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6198 Tweek FRP marking of VMS prologue insns.
6199 * config/alpha/vms.h (EPILOGUE_USES): New.
6201 2001-08-02 Richard Henderson <rth@redhat.com>
6203 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6205 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6207 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6208 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6209 config/convex/convex.h, config/d30v/d30v.c,
6210 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6211 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6212 config/mips/mips.h, config/mn10200/mn10200.h,
6213 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6214 config/v850/v850.h, config/vax/openbsd.h,
6215 config/vax/openbsd1.h, config/vax/ultrix.h,
6216 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6217 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6218 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6219 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6220 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6221 in comments and documentation.
6223 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6227 * Makefile.in (line-map.o): New.
6228 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6229 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6230 * cpperror.c (print_containing_files): Similarly.
6231 (print_location): Update. Don't output a space before _Pragma.
6232 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6233 (stack_include_filee, cpp_make_system_header): Update.
6234 (_cpp_execute_include): Get logical line number right for calling
6235 as-yet-unterminated #include.
6236 * cpphash.h (struct cpp_reader): Add line_maps.
6237 (_cpp_do_file_change): Update.
6238 * cppinit.c (cpp_create_reader): Initialize line maps.
6239 (cpp_destroy): Destroy line maps.
6240 (cpp_start_read): Get logical line number right.
6241 * cpplex.c (parse_string): Only warn once for multi-line strings.
6242 Use boolean variable for null warning.
6243 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6245 (do_include_common): End the directive early.
6246 (do_line): Don't warn about out-of-range lines in preprocessed
6247 source. Update. Remove unused variables.
6248 (_cpp_do_file_change): Update for new line mapping.
6249 (pragma_cb): New typedef.
6250 (cpp_register_pragma): Stop looking ahead before calling the
6252 (do_pragma_system_header): End directive early.
6253 (cpp_get_line_maps): New.
6254 (cpp_pop_buffer): Fudge logical line. Update.
6255 * cpplib.h: Include line-map.h
6256 (enum cpp_fc_reason): Remove.
6257 (struct cpp_file_change): Update.
6258 (cpp_get_line_maps): New.
6259 * cppmain.c (struct_printer): New member map.
6260 (cb_file_change): Update for new mappings.
6261 * fix-header.c (cb_file_change): Similarly.
6263 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6265 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6266 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6268 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6270 * config/vax/vax.c: include expr.h.
6272 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6274 * Makefile.in ($(srcdir)/configure): Only rebuild in
6276 ($(srcdir)/config.in): Only define in maintainer mode.
6277 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6279 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6281 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6283 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6285 * gcc.c (set_collect_gcc_options): New function, split out from
6287 Ignore elided switches.
6288 (do_spec_1): Invoke before executing command.
6289 (set_input): Export.
6290 Move declaration ...
6291 * gcc.h (set_input): ... here.
6292 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6295 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6298 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6300 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6302 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6304 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6305 for the unnamed instructions it expands to.
6307 2001-08-02 Richard Henderson <rth@redhat.com>
6309 * regclass.c (call_really_used_regs): Conditionally define.
6310 (init_reg_sets_1): Don't use it if not defined.
6311 (fix_register): Similarly, don't set it.
6313 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6315 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6316 Correct comment that had been missed in the previous change.
6318 2001-08-01 Stan Shebs <shebs@apple.com>
6320 * config/darwin.c (machopic_stub_name): Try matching by name.
6321 (update_stubs): New function.
6322 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6325 2001-08-01 Richard Henderson <rth@redhat.com>
6327 * except.c (output_function_exception_table): Use assemble_align.
6328 * varasm.c (assemble_eh_label): Remove.
6329 (assemble_eh_align, assemble_eh_integer): Remove.
6331 2001-08-01 Robert Lipe <robertl@caldera.com>
6333 * dwarfout.c: Remove reference to README.DWARF.
6335 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6337 * regclass.c (call_really_used_regs): New array for registers which
6338 are actually used by a call.
6339 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6341 (fix_register): Set call_really_used too.
6342 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6343 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6345 2001-08-01 Richard Henderson <rth@redhat.com>
6347 * read-rtl.c (read_name): Consider \r whitespace.
6349 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6351 * config.gcc: Recognize powerpc-*-netbsd*.
6353 * doc/install.texi (Host/target specific installation notes for
6354 GCC): Mention powerpc-*-netbsd*.
6356 * config/rs6000/netbsd.h: New file.
6357 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6358 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6359 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6360 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6361 (TARGET_VERSION): Redefine.
6363 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6364 mcall-netbsd as a match for mcall-sysv.
6365 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6366 (ncrti.S, ncrtn.S): New targets.
6367 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6369 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6370 "netbsd' as a V4 ABI.
6371 (ASM_SPEC): Check for -mcall-netbsd.
6372 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6373 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6374 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6375 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6376 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6377 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6378 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6380 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6381 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6383 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6385 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6386 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6387 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6388 including "unwind-pe.h".
6390 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6392 * rs6000.md (define_splits): Kill unused constraints.
6394 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6395 Jan Hubicka <jh@suse.cz>
6397 * function.c (thread_prologue_and_epilogue_insns): Kill code
6398 dealing with non-existent CFG.
6400 2001-08-01 Kazu Hirata <kazu@hxi.com>
6402 * alias.c: Fix comment formatting.
6403 * bitmap.c: Likewise.
6404 * builtins.c: Likewise.
6405 * calls.c: Likewise.
6406 * c-common.c: Likewise.
6407 * c-decl.c: Likewise.
6408 * c-dump.c: Likewise.
6409 * c-lex.c: Likewise.
6410 * collect2.c: Likewise.
6411 * combine.c: Likewise.
6412 * conflict.c: Likewise.
6413 * cppfiles.c: Likewise.
6414 * cppinit.c: Likewise.
6415 * cpplex.c: Likewise.
6416 * cpplib.c: Likewise.
6417 * cppmacro.c: Likewise.
6418 * cppspec.c: Likewise.
6419 * c-pragma.c: Likewise.
6420 * crtstuff.c: Likewise.
6422 * cselib.c: Likewise.
6423 * c-semantics.c: Likewise.
6424 * c-typeck.c: Likewise.
6426 2001-08-01 H.J. Lu <hjl@gnu.org>
6428 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6430 2001-08-01 H.J. Lu <hjl@gnu.org>
6432 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6434 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6436 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6437 contextualizing Objective-C class name lookup by the lexer.
6438 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6440 (protocoldef): Add support for forward @protocol declarations.
6441 (yylexname): Suppress ObjC class name lookup in certain contexts;
6442 re-enable after lookup is complete.
6443 (_yylex): Re-enable ObjC class name lookup when certain
6444 punctuation marks are seen.
6446 * objc/objc-act.c (check_protocol_recursively): New function used
6447 for finding circular dependencies in protocols.
6448 (objc_declare_protocols): New function for handling forward
6449 @protocol declarations.
6450 (receiver_is_class_object): Detect the case when 'self' is used
6451 inside of a class method.
6452 (build_message_expr): Issue a warning if class method is desired
6453 but instance method is found instead.
6454 (conforms_to_protocol): Streamline.
6455 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6456 protocol Foo, even if 'Bar foo' does not.
6457 (check_protocols): Streamline.
6458 (start_protocol): Add checks for circular and duplicate protocol
6460 (encode_aggregate_within): For typedefs of structs, encode the
6462 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6463 (objc_declare_protocols): New prototype.
6465 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6467 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6468 * cpplex.c (handle_newline): Update prototype. Maintain logical
6470 (skip_escaped_newlines, skip_block_comment, parse_string):
6472 (_cpp_lex_token): Update, and store token position within the token.
6473 * cpplib.h (struct cpp_token): Add line and column entries.
6474 * cppmacro.c (replace_args): Position stringified tokens correctly.
6476 2001-08-01 Andreas Jaeger <aj@suse.de>
6478 * basic-block.h: Add prototype for last_loop_beg_note.
6480 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6482 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6483 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6485 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6486 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6487 expand_decl_cleanup.
6488 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6490 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6491 operand while calling simple_cst_equal.
6492 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6493 operand is the cleanup expression, the third is the RTL_EXPR.
6494 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6496 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6498 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6500 2001-07-31 matthew green <mrg@eterna.com.au>
6502 * config.gcc (i386-*-netbsdelf): New description.
6503 * config/i386/netbsd-elf.h: New file.
6505 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6507 * loop.c (check_dbra_loop): Use single_set to compute
6510 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6512 PowerPC reorg and support for powerpc64-*-linux*.
6514 Also fixes emitting of constants on 32 bit and 64 bit
6517 * config.gcc: powerpc64-*-linux* is a new target.
6518 Things that needed aix.h now also include xcoff.h
6520 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6522 Move AIX specific stuff into aix.h.
6523 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6524 with more than just XCOFF now.
6525 (SET_ASM_OP): Remove, now defined where needed.
6526 (FUNCTION_PROLOGUE): New macro definition.
6527 (FUNCTION_EPILOGUE): New macro definition.
6528 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6530 * config/rs6000/xcoff.h: New file.
6532 * config/rs6000/linux64.h: New file.
6534 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6536 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6538 * rs6000.c (print_operand_address): Handle ELF syntax.
6539 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6540 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6541 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6543 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6545 * rs6000.c (rs6000_override_options): Only disable
6546 flag_function_sections for XCOFF.
6547 (exact_log2_cint_operand): New predicate.
6548 (reg_or_{add,sub}_cint64_operand): New predicates.
6549 (add_operand): Compare CONST_INT with fewer function calls.
6550 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6551 (print_operand, case 'p'): Ensure positive operand.
6552 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6553 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6554 (PREDICATE_CODES): Add new predicates.
6555 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6556 (divsi3, modsi3): Ensure positive power-of-2.
6557 (adddi3): Use new predicate. Split 32-bit constants more
6558 correctly. Re-arrange splitter to handle any constant.
6559 (subdi3): Use new predicate.
6560 (divdi3, moddi3): Ensure positive power-of-2.
6561 (movdi): Use rs6000_emit_set_const.
6562 (load_toc_v4_pic_di): Delete.
6564 2001-07-31 Graham Stott <grahams@redhat.com>
6566 * function.c (pad_below): Revert 2001-07-26 patch.
6568 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6570 * reg-stack (convert_regs_1): Fix best edge condition.
6572 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6574 * jump.c (duplicate_loop_exit_test): Better test for jumps
6575 entering the loop; create loop pre_header.
6577 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6579 * doc/install.texi: Add s390 and s390x as new targets.
6580 * doc/invoke.texi: Add documantation of S/390 and zSeries
6582 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6584 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6586 * config/m68k/m68k.md: Replace all general_operand with
6587 nonimmediate_operand for all destinations.
6588 * config/m68k/m68k.c (not_sp_operand): Likewise.
6590 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6592 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6594 2001-07-30 Richard Henderson <rth@redhat.com>
6596 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6597 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6599 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6601 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6602 Add missing doc strings
6603 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6604 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6606 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6608 * i386.c (ix86_output_main_function_alignment_hack): New function.
6609 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6611 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6612 edges by EDGE_DFS_BACK flag.
6613 (dump_edge_info): Add dfs_back flag.
6614 * basic-block.h (EDGE_DFS_BACK): New constant.
6615 (mark_dfs_back_edges): Declare.
6616 * alias.c (loop_p): Remove.
6617 (mark_constant_function): Use mark_dfs_back_edges.
6619 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6620 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6621 (compensate_edge): Break out from ...
6622 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6623 (convert_regs_2): Set block_done once block is really done;
6624 Do updating of the predecesors counts.
6626 * toplev.c (rest_of_compilation): Recompute block_for_insn
6627 before post-reload cfg_cleanup.
6628 * function.c (thread_prologue_epilogue_insns):
6629 Call set_block_for_new_insns when emitting prologue directly.
6631 2001-07-30 Andreas Jaeger <aj@suse.de>
6633 * jump.c: Add prototype for mark_modified_reg.
6635 * cse.c (set_live_p): Add unused attribute.
6637 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6639 (scan_for_source_files): Use long for count to avoid overflow.
6640 (output_data): Likewise.
6641 (output_data): Don't use string concatatenation to silence gcc
6644 * predict.c: Fix typos and grammar.
6646 * gcse.c (insert_insn_end_bb): Remove unused variables.
6648 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6650 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6651 (attempt_auto_inc): LIkewise.
6652 (mark_used_reg): Likewise.
6653 (try_pre_increment_1): Likewise.
6654 * regclass.c (regclass): Likewise.
6655 * global.c (allocno_compare): Update comment; change scaling factor.
6656 * local-alloc.c (QTY_CMP_PRI): Likewise.
6657 * regs.h (REG_FREQ_FROM_BB): New.
6658 (REG_FREQ_MAX): Likewise.
6660 2001-07-30 H.J. Lu <hjl@gnu.org>
6662 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6665 2001-07-30 H.J. Lu (hjl@gnu.org)
6667 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6668 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6669 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6671 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6673 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6674 as -mthumb-interwork when -mcpu=arm7 is specified.
6676 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6678 * predict.def (noreturn, loop branch, loop exit): Mark as first
6681 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6683 * combine.c (try_combine): Avoid barrier after noop jumps.
6685 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6687 * cpphash.h (struct cpp_reader): Remove import_warning.
6688 * cpplib.c (skip_rest_of_line): Don't bother turning off
6690 (parse_include): Move include handling to...
6691 (do_include_common): ... here. Move import warning from...
6692 (do_import): ... here.
6693 (do_pragma_poison): Don't do a callback for poison identifiers.
6694 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6695 * cppmain.c (setup_callbacks): Similarly.
6697 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6699 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6700 handle multiple sets.
6701 * except.c (sjlj_mark_call_sites): .... here.
6702 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6704 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6706 Suggested by Richard Henderson and Richard Kenner:
6707 * combine.c (recog_for_combine): Use the fake recog
6708 only if instruction does not match.
6709 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6710 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6712 * combine.c (try_combine): Discover noop jump as direct jump.
6714 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6716 * df.c (df_rd_global_compute): Add successors to worklist, not
6718 (df_ru_global_compute): Ditto.
6720 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6722 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6723 increment REG_N_SETS.
6725 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6727 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6729 * sbitmap.c (sbitmap_a_xor_b): New function.
6730 ifdef the basic block stuff on IN_GCC.
6732 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6734 * cppexp.c (parse_defined): Always record the macro name.
6735 (lex): Don't worry about identifiers, or special-case
6737 (_cpp_parse_expr): Figure out at the end of the routine
6738 whether we saw a valid !defined() expression.
6739 * cppfiles.c (stack_include_file): Update for mi_valid.
6740 (_cpp_pop_file_buffer): Similarly.
6741 * cpplex.c (_cpp_lex_token): Similarly.
6742 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6743 mi_if_not_defined, mi_lexed): Remove.
6745 * cpplib.c (do_if): Simplify.
6746 (do_endif, push_conditional, _cpp_handle_directive): Update
6747 for renaming of mi_state to mi_valid.
6749 * cpp.texi: Add index entries for digraphs, and add comment
6750 that C++ refers to them as alternative tokens.
6752 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6754 * basic-block.h (CLEANUP_PRE_LOOP): New.
6755 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6756 * sibcall.c (optimize_sibling_calls): Likewise.
6757 * toplev.c (rest_of_compilation): Likewise.
6758 * flow.c (try_forward_edges): Take argument MODE;
6759 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6760 (try_optimize_cfg): Update call of try_forward_edges.
6762 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6763 Jan Hubicka <jh@suse.cz>
6765 * (validate_replace_rtx_1): Fix simplification of MINUS.
6767 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6769 PR preprocessor/3669
6770 * cppinit.c (init_dependency_output): Turn off dump requests
6771 if sending dependencies to stdout.
6773 2001-07-28 Richard Henderson <rth@redhat.com>
6775 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6778 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6780 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6782 2001-07-28 Kazu Hirata <kazu@hxi.com>
6784 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6785 is VAR_DECL first to prevent an ICE.
6787 2001-07-28 Richard Henderson <rth@redhat.com>
6789 * varasm.c (immed_real_const_1): Don't elide special cases for
6791 (clear_const_double_mem): Clear const_tiny_rtx too.
6793 2001-07-28 Richard Henderson <rth@redhat.com>
6795 * dwarf2out.c (dw_val_class_offset): New.
6796 (struct dw_ranges_struct, dw_ranges_ref): New.
6797 (ranges_table, ranges_table_allocated): New.
6798 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6799 (add_AT_offset, add_ranges, output_ranges): New.
6800 (print_die, output_die): Handle dw_val_class_offset.
6801 (attr_checksum, size_of_die, value_format): Likewise.
6802 (gen_lexical_block_die): Handle non-contiguous blocks.
6803 (gen_block_die): Likewise.
6804 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6805 if needed. Dump the ranges table.
6806 * final.c (final_start_function): Remove unnecessary notes and
6807 rebuild the block tree before numbering the blocks.
6808 * function.c (reorder_blocks_0): Walk the existing block tree
6809 to unmark all blocks.
6810 (reorder_blocks_1): Create block fragments when duplicate block
6812 (reorder_fix_fragments): New.
6813 (reorder_blocks): Call it.
6814 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6816 2001-07-28 Richard Henderson <rth@redhat.com>
6818 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6820 2001-07-28 Richard Henderson <rth@redhat.com>
6822 * flow.c (add_to_mem_set_list): New function.
6823 (init_propagate_block_info): Use it.
6824 (mark_set_1): Likewise.
6825 (insn_dead_p): Canonicalize memory address for dead store
6826 comparison. Allow wider mode stores to kill narrower mode stores.
6827 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6828 (invalidate_mems_from_set): Don't handle MEMs.
6830 2001-07-28 Kazu Hirata <kazu@hxi.com>
6832 * config/h8300/h8300.h: Fix formatting.
6834 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6836 * basic-block.h (EDGE_FREQUENCY): New macro.
6837 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6839 * flow.c (find_sub_basic_blocks): Likewise.
6840 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6841 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6843 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6844 (HITRATE): New macro.
6845 (PRED_FLAG_FIRST_MATCH): New constant.
6846 (predictor_info): New field flgags.
6847 (combine_predictions_for_insn): Use DS theory to combine
6848 probabilities; set the edge probabilities when finished.
6849 (estimate_probability): Avoid duplicated matches
6850 of LOOP_BRANCH heuristics for nested loops; update comment.
6851 * predict.def: Add flags for each prediction, set probabilities
6852 according to B&L paper.
6853 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6855 * profile.c (compute_branch_probabilities): Cleanup way the edge
6856 probabilities are computed and REG_BR_PROB notes are dropped; if
6857 values does not match, emit error.
6858 (init_branch_prob): Do error instead of warning when profile driven
6859 feedback is missing or corrupt.
6861 2001-07-27 DJ Delorie <dj@redhat.com>
6863 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6864 against a constant, try to adjust the compare to have the desired
6865 constant in it so that min/max optimizations happen more often.
6867 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6869 * flow.c (last_loop_beg_note): New function.
6870 (redirect_edge_and_branch): Use it.
6871 (split_edge): Likewise.
6873 * alias.c (loop_p): Avoid uninitialized memory access.
6875 * flow.c (try_forward_edges): Avoid accessing freed memory.
6877 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6880 2001-07-26 Andrew Haley <aph@redhat.com>
6881 Joern Rennecke <amylaar@redhat.com>
6883 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6884 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6885 (SUBTARGET_CPP_SPEC): New.
6887 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6888 (SUBTARGET_CPP_PTR_SPEC): New.
6889 (CPP_DEFAULT_CPU_SPEC): New.
6890 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6891 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6892 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6893 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6894 (SUBTARGET_CPP_SPEC): Define as an empty string.
6896 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6898 * doc/install.texi (Configuration): Properly link the host
6899 specific instructions also when generating HTML.
6901 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6903 * flow.c (redirect_edge_and_branch_force): Test
6904 target->global_live_at_start.
6906 2001-07-26 Richard Henderson <rth@redhat.com>
6908 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6909 * rtl.h (avoid_constant_pool_reference): Declare it.
6910 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6911 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6913 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6915 * rtl.h (cleanup_barriers): Declare.
6916 * jump.c (cleanup_barriers): New function.
6917 * toplev.c (rest_of_compilation): Call cleanup_barriers
6918 before loop optimizer and after bb_reorder.
6920 * flow.c (back_edge_of_syntactic_loop_p): New.
6921 (split_edge): Use it.
6923 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6925 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6927 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6929 * cse.c (cse_process_notes): Replace any registers if the address
6932 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6934 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6935 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6936 (propagate_block): Update prototype.
6937 * flow.c (update_life_info): Simplify the CFG and
6938 recalculate the global regs which are alive when
6939 removing dead code during a global update.
6940 (propagate_block): Return non-zero if an INSN is
6943 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6945 * Makefile.in (LIBICONV): Define.
6947 2001-07-26 Catherine Moore <clm@redhat.com>
6949 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6950 of conditional to avoid tree checking errors.
6952 2001-07-26 Kazu Hirata <kazu@hxi.com>
6954 * regmove.c (regmove_optimize): Don't replace a reg with
6955 another reg of a different mode.
6957 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6959 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6960 limit length of dependancy flush list.
6961 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6962 * sched-int.h (struct deps): Add pending_flush_length field.
6963 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6964 has 1 element in it.
6965 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6966 (sched_analyze): After a jump, if the pending memory flush list is too
6967 large, flush the pending lists.
6968 (init_deps): Initialize pending_flush_length to 0.
6969 * doc/invoke.texi (max_pending_list_length): Document parameter.
6971 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6973 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6974 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6975 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6977 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6979 * cpphash.h (struct_lexer_state): Delete was_skipping.
6980 Move skipping here from struct cpp_reader.
6981 * cpplex.c (parse_identifier): Update.
6982 (_cpp_lex_token): Don't skip tokens in a directive.
6983 * cpplib.c (struct if_stack): Update.
6984 (start_directive, end_directive): Don't change skipping state.
6985 (_cpp_handle_directive): Update.
6986 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6987 (do_else, do_endif): Update; only check for excess tokens if not
6988 in a skipped conditional block.
6989 (push_conditional): Update for new struct if_stack.
6991 2001-07-26 Graham Stott <grahams@redhat.com>
6993 * function.c (locate_and_pad_parm): Also pad initial offset
6994 so that the total argument size also includes the padding.
6996 2001-07-26 Graham Stott <grahams@redhat.com>
6998 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6999 change XSTR to XTMPL.
7001 (process_one_cond_exec): Likewise
7003 2001-07-25 Richard Henderson <rth@redhat.com>
7005 * varasm.c (assemble_variable): Create DECL_RTL before setting
7008 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7010 * predict.c (estimate_probability): Avoid duplicated predictions.
7012 * loop.c (find_and_verify_loops): Grok multiple barriers.
7014 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7016 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7018 * dbxout.c: Consistently use putc instead of fputc.
7019 (print_wide_int): New function; call instead of direct fprintf.
7020 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7021 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7022 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7023 (print_int_cst_octal): Likewise.
7024 (print_octal): Show we wrote characters.
7025 (dbxout_type): Set have_used_extensions in more places.
7027 2001-07-25 Catherine Moore <clm@redhat.com>
7029 * config/v850/v850.c (v850_va_arg): Use addr
7030 instead of valist to build incr.
7032 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7034 * flow.c (delete_dead_jumptables): New function.
7035 (life_analyzis): Call it.
7036 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7039 2001-07-25 Richard Henderson <rth@redhat.com>
7041 * except.c (reachable_handlers): Handle a region being removed
7042 out from under a RESX.
7044 2001-07-25 Richard Henderson <rth@redhat.com>
7046 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7047 swap GE/GT if it is an fp comparison.
7049 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7051 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7054 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7056 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7057 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7060 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7062 (visit_expression): When attempting to simplify an expression,
7063 retrieve any modes for arguments before they are simplified
7066 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7067 Janis Johnson <janis@us.ibm.com>
7069 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7070 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7071 pointer parameters to match documented usage of nonlocal_goto.
7072 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7073 parameters to their correct order.
7074 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7075 parameters to their correct order.
7077 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7079 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7081 2001-07-25 Jan Hubicka <jh@suse.cz>
7082 Richard Henderson <rth@redhat.com>
7084 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7086 (make_edges): New argument update_p; populate the edge cache if set.
7087 (find_basic_blocks): Update make_edges invocation.
7089 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7091 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7093 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7095 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7096 -Acpu and -Amachine.h.
7097 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7098 Corrected header to say ELF not a.out.
7099 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7100 when given -msoft-float.
7102 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7104 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7105 extra multilib parts like arm-elf.
7106 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7107 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7108 crtfini.o as extra multilib parts.
7110 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7112 * configure.in: Add rtems as a supported thread model.
7113 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7114 * configure: Rebuilt.
7116 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7118 * stor-layout.c (get_mode_alignment): make it work when
7119 BITS_PER_UNIT is not a power of two.
7120 * builtins.c (get_pointer_alignment): Likewise.
7122 2001-07-24 Richard Henderson <rth@redhat.com>
7124 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7125 the retrieved constant into the expected mode.
7127 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7129 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7130 (verify_flow_info): Check for duplicated edges; clarify
7133 * flow.c (block_label): Update basic_block_for_insn.
7134 (commit_edge_insertions): Call compute_bb_for_insn.
7136 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7139 * flow.c (redirect_edge_and_branch,
7140 try_optimize_cfg): Use redirect_edge_succ_nodup
7141 (redirect_edge_succ_nodup): New.
7142 * basic_block.h (redirect_edge_succ_nodup): Declare.
7144 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7147 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7149 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7150 (try_crossjump_to_edge): Update commetns.
7151 (try_crossjump_bb): Likewise.
7153 2001-07-24 Richard Henderson <rth@redhat.com>
7155 * combine.c (distribute_notes): Move set of need_refresh
7156 for noop_move_p down to catch all cases.
7158 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7160 * recog.c (split_all_insns_noflow): New.
7161 * rtl.h (split_all_insns_noflow): Declare.
7162 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7163 * m68hc11.c (m68hc11_reorg): Likewise.
7164 * sh.c (machine_dependent_reorg): Likewise.
7165 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7168 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7170 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7171 (ashlsi3_n splitter): Likewise.
7172 (lshrsi3_n splitter): Likewise.
7174 (GOTaddr2picreg): Make const SImode.
7175 (sym_label2reg): Likewise.
7176 (symGOT2reg): Likewise.
7177 (symGOTOFF2reg) Likewise.
7179 (casesi_worker_0): Make unspec SImode.
7181 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7183 * config/sh/sh.c (barrier_align): Check that an operand really is
7184 an insn before extracting its INSN_CODE.
7186 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7188 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7191 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7192 for SImode to prevent overflow.
7194 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7196 * config/mips/irix6-libc-compat.c: New file.
7197 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7198 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7201 2001-07-24 lars brinkhoff <lars@nocrew.org>
7203 * rtl.texi (REG_POINTER): Document.
7204 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7205 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7207 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7209 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7211 2001-07-23 Richard Henderson <rth@redhat.com>
7213 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7215 2001-07-23 Kazu Hirata <kazu@hxi.com>
7217 * config/h8300/h8300-protos.h: Add a prototype for
7218 general_operand_dst_push.
7219 * config/h8300/h8300.c (general_operand_dst_push): New.
7220 * config/h8300/h8300.h (OK_FOR_T): New.
7221 (EXTRA_CONSTRAINT): Use it.
7222 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7223 the existing movqi pattern.
7224 (movhi_push): Likewise.
7226 * reload.c: Fix comment typos.
7228 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7230 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7232 2001-07-23 H.J. Lu (hjl@gnu.org)
7234 * doc/extend.texi: Update __builtin_return_address and
7235 __builtin_frame_address.
7237 2001-07-23 Richard Henderson <rth@redhat.com>
7239 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7241 * config/i386/i386.md: New setcc+movzbl peephole2.
7243 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7245 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7246 * objc/objc-act.c: Include debug.h.
7247 (synth_module_prologue): Save and restore debug hooks too.
7249 2001-07-23 lars brinkhoff <lars@nocrew.org>
7251 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7252 and C4X_FLOAT_FORMAT.
7253 (BOOL_TYPE_SIZE): Document.
7255 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7257 * unroll.c (loop_iterations): Fix miscalculation of initial
7260 2001-07-13 Andrew Haley <aph@redhat.com>
7262 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7263 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7264 * config/sh/sh.c (sh_can_redirect_branch): New function.
7265 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7266 * reorg.c (steal_delay_list_from_target): Use
7267 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7269 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7271 * flow.c (try_simplify_condjump): Unlink insn chain on
7272 fallthru edge; use can_fallthru.
7274 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7276 * basic-block.h (find_sub_basic_block): Declare.
7277 * flow.c (make_edges): New arguments MIN and MAX;
7278 (find_sub_basic_blocks): Revamp to use make_edges
7279 and purge_dead_edges.
7280 (find_basic_blocks): Update call of find_sub_basic_block.
7282 * recog.c (split_all_insns): Always expect CFG to be consistent;
7283 call find_sub_basic_blocks in case something has changed.
7284 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7287 * basic-block.h (delete_noop_moves): Declare.
7288 * combine.c (combine_instructions): Call it.
7289 (recog_for_combine): Tolerate noop moves
7290 (distribute_notes): Force refresh when register dies at noop move.
7291 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7293 (life_analysis): Update delete_noop_moves call.
7294 (set_noop_p): Move too ...
7295 * rtlanal.c (noop_move_p): ... here.
7296 * rtl.h (noop_move_p): Declare.
7298 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7299 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7301 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7302 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7304 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7306 * reload.c (push_reload): Fix typo in comment.
7307 (find_reloads_address): Ditto.
7308 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7310 2001-07-22 Richard Henderson <rth@redhat.com>
7312 * flow.c: Grammar check and clarify a lot of comments.
7313 (try_simplify_condjump): Rename variables to be clearer.
7314 (try_forward_edges): Skip complex and fallthru edges.
7315 Rearrange tests to avoid duplicate checks.
7316 (flow_find_cross_jump): Likewise.
7317 (outgoing_edges_match): Allow match if neither branch has
7318 probability data. Loosen probability match to 5%.
7319 (try_crossjump_to_edge): Hoist repeated indirection into
7321 (try_crossjump_bb): Don't check complex edges. Eliminate
7322 redundant crossjump tests.
7323 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7324 checks before more expensive checks.
7326 2001-07-22 Richard Henderson <rth@redhat.com>
7328 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7329 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7332 2001-07-22 Richard Henderson <rth@redhat.com>
7334 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7335 (const_sint32_operand): Likewise.
7336 * m68k.md (anon mulsi pattern): Use const_int_operand not
7337 const_sint32_operand.
7338 (umulsi3_highpart): Zero extend a constant input.
7339 (smulsi3_highpart): Don't bother checking SImode constant.
7340 (const_umulsi3_highpart): Give op3 DImode.
7341 (const_smulsi3_highpart): Likewise.
7343 2001-07-22 Richard Henderson <rth@redhat.com>
7345 * flow.c (split_block): Make sure bb_note is included in the
7346 new block when splitting before a label.
7348 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7350 * basic-block.h (redirect_edge_and_branch_force,
7351 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7352 * flow.c (redirect_edge_and_branch_force,
7353 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7354 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7355 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7356 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7357 instead of label; update CFG after transformation.
7358 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7359 for finishing the transformation; handle even case where ELSE
7360 does not follow THEN.
7361 (find_if_case_2): Update call of dead_or_predictable; simplify
7364 * emit-rtl.c (split_branch_probability): New global variable.
7365 (try_split): Take care to set split_branch_probability and
7366 create REG_BR_PROB note for new jump insns.
7367 * md.texi (define_split): Document new feature.
7369 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7371 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7373 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7374 (asm_out_file): Remove redundant declaration.
7375 (assemble_asm): Remove old #if 0 block.
7376 (assemble_variable): Remove end of function; debug output is
7377 now handled with global_decl. Remove old #if 0 block. Update.
7378 Remove saved_in_section and associated no-op code.
7379 * Makefile.in (varasm.o): Correct dependencies.
7381 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7383 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7384 the definition in defaults.h.
7386 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7388 * jump.c: Update comments.
7389 (delete_barrier_successors, delete_unreferenced_labels,
7390 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7391 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7392 jump_optimize, jump_optimize_minimal): Kill.
7393 (rebuild_jump_labels): Move code from jump_optimize_1.
7394 (purge_line_number_notes): Likewise.
7395 (copy_loop_headers): Likewise.
7396 * reg-stack.c: Update comment.
7398 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7399 JUMP_AFTER_REGSCAN): Kill.
7400 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7401 purge_line_number_notes and copy_loop_headers.
7403 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7404 Richard Henderson <rth@redhat.com>
7406 * dbxout.c (dbxout_global_decl): New.
7407 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7408 * sdbout.c (sdbout_finish): New.
7409 (sdbout_debug_hooks): Use it, add comments.
7410 (sdbout_global_decl): Defer initialised public vars to
7412 * varasm.c (assemble_variable): Don't output debug information
7413 for file-scope variables.
7415 2001-07-22 Richard Henderson <rth@redhat.com>
7417 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7418 (get_round_mode_suffix): New.
7419 (print_operand): Use them for [/]. Remove support for [&'`()+].
7420 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7421 * config/alpha/alpha.md (attr round_suffix): New.
7422 (attr trap_suffix): New.
7423 (all insns): Set them appropriately. Use %/ instead of the
7426 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7428 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7430 2001-07-22 Richard Henderson <rth@redhat.com>
7432 * regrename.c (regrename_optimize): Compute nregs for each
7433 potential target register.
7435 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7436 Richard Henderson <rth@redhat.com>
7438 * dbxout.c (dbxout_global_decl): New.
7439 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7440 * sdbout.c (sdbout_finish): New.
7441 (sdbout_debug_hooks): Use it, add comments.
7442 (sdbout_global_decl): Defer initialised public vars to
7444 * varasm.c (assemble_variable): Don't output debug information
7445 for file-scope variables.
7447 2001-07-21 H.J. Lu (hjl@gnu.org)
7449 * config/mips/mips.c (mips_cpu): Moved into ...
7450 (override_options): Here.
7452 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7454 (mips_cpu): Removed.
7456 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7458 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7459 ("iorqi3"): Likewise.
7460 ("xorqi3"): Likewise.
7461 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7462 ("*subhi3_sp): Likewise.
7463 ("*subhi3"): Likewise.
7464 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7467 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7469 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7470 * config/freebsd.h: Likewise.
7471 * config/linux.h: Likewise.
7472 * config/openbsd.h: Likewise.
7473 * config/alpha/linux-elf.h: Likewise.
7474 * config/arm/linux-elf.h: Likewise.
7475 * config/d30v/d30v.h: Likewise.
7476 * config/fr30/fr30.h: Likewise.
7477 * config/ia64/aix.h: Likewise.
7478 * config/ia64/ia64.h: Likewise.
7479 * config/mips/linux.h: Likewise.
7480 * config/pj/pj.h: Likewise.
7481 * config/rs6000/linux.h: Likewise.
7482 * config/sparc/linux.h: Likewise.
7483 * config/sparc/linux64.h: Likewise.
7485 2001-07-20 Bruce Korb <bkorb@gnu.org>
7487 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7488 because getc() and char* may disagree on signedness.
7490 2001-07-20 Richard Henderson <rth@redhat.com>
7492 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7494 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7495 insns to delete in the presence of cc0 in a jump insn.
7497 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7498 Jan Hubicka <jh@suse.cz>
7500 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7501 of doing the change by hand.
7503 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7505 * rtlanal.c (set_noop_p): Return true for noop jumps.
7507 * expr.c (emit_single_push_insn): Add call to push expander.
7508 * expr.h (optab_index): Add OTI_push
7509 (push_optab): New constant.
7510 * genopinit.c (optabs): Add push_optab.
7511 * optabs.c (init_optab): Init push optab.
7512 * md.texi (push??1): Document
7514 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7516 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7517 expand to emit the pattern; put a REG_INC note for push/pop
7519 ("movdf", "movdf_internal"): Likewise.
7520 ("movsi", "movsi_internal"): Likewise.
7521 ("movsf", "movsf_internal"): Likewise.
7522 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7524 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7526 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7529 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7531 * params.def: Change default max inline insns to 100.
7533 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7535 * combine.c (combine_simplify_rtx): Generate a new shift operation
7536 when simplifying the first operand of a (neg (ashift)) expression.
7538 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7540 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7542 2001-07-20 Kelley Cook <kelley.cook@home.com>
7544 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7545 information. Move rest into ...
7546 (*-*-solaris): ... here. Eliminate redundant information and
7547 reword necessary packages section. Delete 4.x assembler bug info.
7548 (sparc-sun-*): Merge into ...
7549 (sparc-sun-sunos*): here.
7551 2001-07-20 Catherine Moore <clm@redhat.com>
7553 * config/v850/v850.md (casesi): Generate LABEL_REF
7556 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7558 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7559 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7560 * i386.md (strclrsi expander): Use it.
7562 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7564 * integrate.c (copy_insn_list): handle
7565 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7566 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7567 identically as to CODE_LABEL.
7569 * fold-const (fold): Convert A/B/C to A/(B*C) and
7572 * except.c (connect_post_landing_pads): Delete the RESX insns.
7574 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7576 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7578 * config/mips/mips.md (nmadd/nmsub): Use macro.
7580 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7582 * cppinit.c (remove_dup_dir): Make static.
7583 (remove_dup_dirs): Make static. Only warn about preempting a
7584 system directory with a non-system directory.
7586 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7588 * ifcvt.c (noce_try_store_flag_constants): Correct order
7589 of parameters to trunc_int_for_mode.
7591 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7593 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7594 an exception that will be caught within this function, do not fill
7595 its delay slot with any subsequent instruction.
7597 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7599 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7600 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7601 pointer extension instruction.
7602 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7603 * simplify-rtx.c (simplify_unary_operation) Likewise.
7604 * explow.c (convert_memory_address) Check value of
7605 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7607 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7608 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7609 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7610 Add Multilib Support.
7611 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7612 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7613 Add Multilib Support.
7614 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7616 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7617 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7618 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7620 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7622 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7623 old and new operands in `<', `3' and `b'.
7625 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7627 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7628 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7629 (toplev.o): Don't depend on xcoffout.h.
7630 * c-decl.c: Include debug.h
7631 (duplicate_decls): Use debug hook.
7632 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7633 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7634 (dbxout_types): Remove.
7635 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7636 * debug.c (do_nothing_debug_hooks): Update.
7637 (debug_true_tree, debug_nothing_rtx): New.
7638 * debug.h (struct rtx_def): New.
7639 (struct gcc_debug_hooks): New hooks ignore_block,
7640 outlining_inline_function and label.
7641 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7642 dwarf2out_frame_finish): New.
7643 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7644 Make static, update prototype.
7645 (dwarf2_debug_hooks): Update.
7646 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7647 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7648 * dwarfout.c (dwarf_debug_hooks): Update.
7649 * emit-rtl.c: Include debug.h.
7650 (remove_unnecessary_notes): Use debug hook.
7651 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7652 (final_scan_insn): Use debug hook.
7653 * integrate.c (output_inline_function): Use debug hook.
7654 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7655 (sdb_debug_hooks): Update.
7656 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7657 * toplev.c: Don't include xcoffout.h.
7658 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7659 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7661 * tree.h (dwarf2out_do_frame): Remove.
7663 2001-07-19 Catherine Moore <clm@cygnus.com>
7665 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7667 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7669 * reload1.c (eliminate_regs_in_insn): When updating a set
7670 to the frame pointer to the hardware frame pointer, perform
7671 the update always not just when REPLACE is set.
7673 * reload1.c (choose_reload_regs): Don't inherit a reload
7674 that crosses multiple registers if registers past the first
7675 don't fit in the desired class.
7677 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7678 when negating constants.
7680 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7682 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7683 * doc/tree.texi: Ditto.
7685 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7686 Jakub Jelinek <jakub@redhat.com>
7688 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7689 (extract_cie_info): Handle "eh" augmentation properly,
7691 (struct frame_state, __frame_state_for): New.
7693 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7695 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7696 HANDLE_SYSV_PRAGMA): Define.
7697 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7699 (copy_object): Caller changed.
7701 2001-07-19 Andreas Schwab <schwab@suse.de>
7703 * configure.in (assembler dwarf2 debug_line support): Define nop
7705 * configure: Regenerated.
7707 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7709 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7711 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7712 to conditionally compiled block.
7713 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7714 * dbxout.h (dbxout_function): Remove.
7715 * debug.c (do_nothing_debug_hooks): Update.
7716 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7717 global_decl, deferred_inline_function.
7718 * dwarf2out.c (dwarf2_debug_hooks): Update.
7719 (dwarf2out_global_decl): New.
7720 * dwarfout.c: Don't include dwarfout.h.
7721 (dwarfout_global_decl, dwarfout_function_decl,
7722 dwarfout_deferred_inline_function): New.
7723 (dwarf_debug_hooks): Update.
7724 * dwarfout.h: Remove.
7725 * final.c: Don't include dwarfout.h.
7726 * sdbout.c (sdbout_global_decl): New.
7727 (sdbout_debug_hooks): Update.
7728 * toplev.c: Don't include dwarfout.h.
7729 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7730 (note_deferral_of_defined_inline_function): Remove.
7731 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7732 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7733 * ch/lex.c: Don't include dwarfout.h.
7734 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7735 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7736 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7737 * cp/optimize.c: Include debug.h.
7738 (maybe_clone_body): Use debug hook.
7739 * cp/semantics.c: Include debug.h.
7740 (expand_body): Use debug hook.
7741 * po/POTFILES.in: Remove dwarfout.h.
7743 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7745 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7746 * c-parse.in (yyerror, _yylex): Similarly.
7747 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7748 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7750 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7751 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7753 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7755 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7756 in-class declaration at -g1. Fixes c++/2814.
7758 2001-07-18 Richard Henderson <rth@redhat.com>
7760 * doc/md.texi (reload_in/out): Document restrictions in predicates
7761 and constraints for these patterns. Document empty string matching
7764 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7766 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7768 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7770 * cse.c: Undo my previous patch.
7772 2001-07-18 Tom Tromey <tromey@redhat.com>
7775 * configure: Rebuilt.
7776 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7778 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7780 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7781 Jan Hubicka <jh@suse.cz>
7783 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7784 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7785 * jump.c (mark_jump_label): Do not forward branches.
7787 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7789 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7790 when return value is unused.
7792 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7794 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7796 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7798 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7799 on error. We can't blindly return the result of
7800 pthread_mutex_trylock because it returns a positive number on
7801 error, while we must return -1 on error.
7802 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7804 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7806 2001-07-18 Andreas Jaeger <aj@suse.de>
7808 * integrate.c (output_inline_function): Correct type of debug_hooks.
7810 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7812 * combine.c (combine_simplify_rtx): DIV can be treated
7813 associatively for floats if unsafe math optimisations are enabled.
7815 2001-07-17 Richard Henderson <rth@redhat.com>
7817 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7819 2001-07-17 Richard Henderson <rth@redhat.com>
7821 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7822 don't force the function address into a register.
7823 (expand_call, emit_library_call_value_1): Update callers.
7824 * builtins.c (expand_builtin_apply): Likewise.
7825 * expr.h (prepare_call_address): Update decl.
7827 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7829 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7831 * config/i386/chorus.h: Move up.
7832 * config/sparc/chorus.h: Likewise.
7833 * config/rs6000/chorus.h: Likewise.
7834 * config/chorus.h: Moved here.
7836 2001-07-17 Andreas Schwab <schwab@suse.de>
7838 * configure.in (assembler eh_frame optimization): Handle big
7840 * configure: Regenerated.
7842 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7844 * expr.c (epxand_expr): Convert divisions into multiplications by
7845 reciprocals if -ffast-math.
7847 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7849 * dbxout.c (dbxout_really_begin_function): Rename to
7850 dbxout_begin_function.
7851 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7852 (dbxout_begin_function): Remove.
7853 (dbxout_function): Update.
7854 (dbxout_source_line): Update prototype.
7855 * dbxout.h (dbxout_begin_function): Remove.
7856 * debug.c (do_nothing_debug_hooks): Update.
7857 (debug_nothing_tree): Update.
7858 (debug_nothing_charstar_rtx): Remove.
7859 * debug.h (union tree_node): Declare.
7860 (struct rtx_def): Remove.
7861 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7862 begin_function. Change source_line prototype.
7863 (debug_nothing_tree): New.
7864 (debug_nothing_charstar_rtx): Delete.
7865 (dwarf2out_begin_prologue): Moved from ...
7867 * dwarf2out.c (dwarf2_debug_hooks): Update.
7868 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7869 debug info, call dwarf2out_source_line.
7870 (dwarf2out_souce_line): Update prototype.
7871 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7872 Change prototype, make static.
7873 (dwarfout_source_line): Update prototype.
7874 (dwarf_debug_hooks): Update.
7875 * dwarfout.h (dwarfout_begin_function): Remove.
7876 * final.c (final_start_function, final_scan_insn): Use appropriate
7877 debug hooks, update to use notice_source_line.
7878 (output_source_line): Rename notice_source_line. Don't call the
7879 source_line debug hook.
7880 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7881 make static, update prototype.
7882 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7884 (sdbout_end_prologue): New.
7885 (sdbout_source_line): Update prototype.
7886 (sdbout_debug_hooks): Update.
7887 (sdbout_symbol): Remove unused var.
7888 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7890 * varasm.c: Include debug.h.
7891 (assemble_start_function): Use begin_function debug_hook.
7892 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7893 update with prototype.
7894 (xcoffout_source_line): Update prototype.
7895 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7897 (xcoffout_source_line): Update prototype.
7899 2001-07-17 Richard Henderson <rth@redhat.com>
7901 * c-typeck.c (build_binary_op): Do not shorten unsigned
7902 right shift after sign extension.
7904 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7906 * combine.c (combine_simplify_rtx): Attempt to simplify
7907 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7909 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7910 (simplify_binary_operation, simplify_unary_operation,
7911 simplify_relational_operation): Use it.
7913 * combine.c (combine_simplify_rtx): Don't do associative law
7914 on divisions; allow associative law on floats.
7916 2001-07-17 H.J. Lu <hjl@gnu.org>
7917 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7919 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7920 ASM_OUTPUT_WEAK_ALIAS are defined.
7921 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7922 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7924 * config/mips/iris5.h: ... here.
7925 (HANDLE_SYSV_PRAGMA): Defined as 1.
7926 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7927 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7930 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7932 * c-parse.in (all_prefix_attributes): New variable.
7933 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7934 (maybe_resetattrs): New production.
7935 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7936 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7937 notype_initdcl, nested_function, notype_nested_function,
7938 component_decl, components, components_notype,
7939 component_declarator, component_notype_declarator,
7940 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7941 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7942 after a comma being applied to more than one declarator.
7943 * doc/extend.texi (Attribute Syntax): Update. Remove
7944 documentation of bugs that are no longer present.
7946 2001-07-13 Eric Christopher <echristo@redhat.com>
7948 * config/mips/mips.h: Change TUNE_MIPS* options to use
7950 (EXTRA_SPECS): Add cc1_cpu_spec.
7951 * config/mips/mips.md (muldf3): Fix typo.
7953 2001-07-16 Richard Henderson <rth@redhat.com>
7955 * config/m68k/m68k.c: Include expr.h and reload.h.
7956 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7957 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7959 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7960 Richard Henderson <rth@redhat.com>
7962 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7963 (insn_live_p): Fix fall off end of function.
7964 (dead_libcall_p): Remove COUNTS argument; update callers.
7965 (delete_trivially_dead_insns): Remove unused variables.
7967 2001-07-17 Andreas Jaeger <aj@suse.de>
7969 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7972 * lcm.c (optimize_mode_switching): Avoid warning for unused
7973 variable if !NORMAL_MODE.
7975 * flow.c (try_crossjump_to_edge): Remove unused variable.
7977 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7979 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7980 atexit declaration in stdlib.h.
7982 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7984 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7986 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7988 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7989 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7990 do rebuild_jump_labels instead of jump_optimize
7991 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7992 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7993 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7995 * flow.c: Include timevar.h
7996 (find_basic_block): Push/pop timevar;
7997 (cleanup_cfg): Likewise.
7998 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7999 * Makefile: Add dependencies on timevar.h
8001 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8002 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8004 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8005 * toplev.c (rest_of_compilation): Update calls.
8006 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8007 (delete_trivially_dead_insns): ... here; accept new argument
8008 preserve_basic_blocks; preserve basic blocks if set.
8010 * reg-stack.c (stack_regs_mentioned): Return 0 if
8011 stack_regs_mentioned_data is not initialized.
8012 (reg_to_stack): Make stack_regs_mentioned survive after the
8013 reg-stack is completted; do not call cleanup_cfg.
8014 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8015 make cleanup_cfg after bb-reorder to output to debug file.
8017 2001-07-16 Richard Henderson <rth@redhat.com>
8019 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8020 from int_reg_class_contents.
8022 2001-07-16 Richard Henderson <rth@redhat.com>
8024 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8025 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8026 (init_reg_sets_1): Move initialization from cse_main.
8027 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8028 (cse_main): Move its initialization also.
8029 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8030 * flow.c (propagate_one_insn): Likewise.
8031 * gcse.c (compute_hash_table): Likewise.
8032 (compute_kill_rd, compute_store_table): Likewise.
8033 * sched-deps.c (sched_analyze_1): Likewise.
8035 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8037 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8040 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8042 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8043 in if statement so we don't access undefined memory.
8045 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8047 * gcse.c: Update comment at top.
8048 Update comment on mem handling.
8049 mem_last_set, mem_first_set, mem_set_in_block: gone.
8050 Declaration of reg_set_info: gone.
8051 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8052 pointless with load_killed_in_block_p (they are *more*
8053 conservative then it, not less, and less accurate).
8054 (oprs_not_set_p): Ditto.
8055 (alloc_gcse_mem): Don't allocate mem_set_in_block
8056 (free_gcse_mem): Don't free it, either.
8057 (record_last_mem_set_info): Update comment in front, remove
8058 mem_*set_* stuff. Note the reason we don't handle stores directly
8060 (compute_hash_table): Update comments to reflect reality. Remove
8061 mem_*set_* references.
8062 (reset_opr_set_tables): Remove mem_*set_* references.
8064 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8065 (mark_clobber): Ditto (on both parts, we double set here too).
8066 (expr_killed_p): Remove mem_set_in_block test.
8067 (compute_transp): Remove mem_set_in_block test.
8069 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8070 of edge, and removal of phi alternative to dump file.
8071 (ssa_ccp_substitute_constants): Add note about register now being
8072 constant, and which uses were replaced in what insns to dump file.
8074 2001-07-16 Andreas Jaeger <aj@suse.de>
8076 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8077 variables of type HOST_WIDEST_INT.
8079 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8080 (__bb_exit_func): Correct type of count_max to avoid overflow.
8081 (num_digits): Handle long long argument.
8083 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8085 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8087 * output.h (sdb_begin_function_line): Restore as an extern
8089 * sdbout.c (sdb_begin_function_line): Make extern.
8091 2001-07-15 Richard Henderson <rth@redhat.com>
8093 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8094 * genrecog.c (maybe_both_true_mode): New.
8095 (maybe_both_true_2): Use it.
8096 (write_switch): Don't put Pmode in a switch.
8097 * rtl.c (mode arrays): Don't explicitly size them.
8099 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8101 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8102 handling; move unconditional splitting before mode switching.
8104 * i386.md (type): Add fistp type.
8105 (i387, length_attr, scheduling definitions): Handle this type.
8106 (fix_trunc?f?i2): Revamp to use mode switching.
8107 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8108 * i386.h (fp_cw_mode): New enum
8109 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8110 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8112 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8114 * Makefile.in (integrate.o): Add debug.h.
8115 * integrate.c (debug.h): Add.
8116 (output_inline_function): Save, reset, and restore debug_hooks.
8118 2001-07-15 Richard Henderson <rth@redhat.com>
8120 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8121 instead of COMPARE for the EQUIV expression.
8123 2001-07-15 Richard Henderson <rth@redhat.com>
8125 * flow.c (redirect_edge_and_branch_force): Initialize
8126 global_live_at_start and global_live_at_end.
8127 (allocate_bb_life_data): Export.
8128 * basic-block.h (allocate_bb_life_data): Declare.
8129 * toplev.c (rest_of_compilation): Call it.
8131 2001-07-15 Richard Henderson <rth@redhat.com>
8133 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8134 (alpha_tablejump_best_label): New.
8135 * config/alpha/alpha-protos.h: Declare them.
8136 * config/alpha/alpha.md: Use braced strings for code blocks.
8137 (tablejump_osf): Break out add with r29.
8138 (tablejump_osf_internal): Remove.
8139 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8140 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8142 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8144 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8147 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8149 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8150 (ix86_fp_jump_nontrivial_p): New.
8151 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8152 use ix86_fp_jump_nontrivial_p.
8153 * i386.c (ix86_fp_jump_nontrivial_p): New.
8154 (ix86_split_fp_branch): Accept code instead of rtx.
8155 (ix86_expand_compare): Expand comparison early in case
8156 doing so is resonably cheap.
8158 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8160 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8162 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8163 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8165 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8167 * dbxout.c (dbxout_source_line): Make static, update prototype.
8168 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8169 (dbxout_init, dbxout_finish, dbxout_source_line,
8170 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8171 * dbxout.h (dbxout_source_line): Delete.
8172 * debug.c (debug_nothing_file, debug_nothing_file_int,
8173 debug_nothing_file_charstar_rtx): New.
8174 (do_nothing_debug_hooks): Update.
8175 (debug_nothing_void, debug_nothing_charstar_rtx,
8176 dwarf2out_end_epilogue): New.
8177 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8178 * debug.h (struct rtx_def): Declare.
8179 (gcc_debug_hooks): New hooks source_line, end_epilogue
8181 (debug_nothing_void, debug_nothing_charstar_rtx,
8182 dwarf2out_end_epilogue): New.
8183 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8184 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8185 (dwarf2_debug_hooks): Update.
8186 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8187 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8188 * dwarf2out.h (dwarf2out_source_line): Remove.
8189 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8190 Make static, update prototype.
8191 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8192 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8193 (dwarf_debug_hooks): Update.
8194 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8195 dwarfout_end_function): Remove.
8196 * final.c (profile_function): Use debug hooks for ending functions
8198 (output_source_line, final_end_function): Update prototype,
8200 (final_start_function, final_scan_insn): Update.
8201 * output.h (sdb_begin_function_line): Remove.
8202 (final_end_function): Update prototype.
8203 * sdbout.c (sdb_begin_function_line): Make static.
8204 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8205 (sdbout_source_line): New.
8206 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8208 (sdb_debug_hooks): Update.
8209 (sdbout_init, sdbout_source_line,
8210 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8211 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8212 * toplev.c (compile_file, rest_of_compilation): Update.
8213 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8214 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8215 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8216 Update for prototype changes.
8217 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8218 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8220 2001-07-15 Richard Henderson <rth@redhat.com>
8222 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8223 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8224 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8225 * config/alpha/alpha.c: Likewise.
8226 * config/alpha/alpha.md: Likewise.
8227 * config/alpha/alpha32.h: Likewise.
8228 * config/alpha/vms.h: Likewise.
8231 2001-07-14 Richard Henderson <rth@redhat.com>
8233 * config/alpha/alpha.md: Use define_constants for unspec values.
8234 Substitute throughout.
8236 2001-07-14 Tim Josling <tej@melbpc.org.au>
8238 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8240 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8242 * pa.md: Remove unused constraints from define_split's.
8244 2001-04-14 Richard Henderson <rth@redhat.com>
8246 * ifcvt.c (find_cond_trap): Test for exit block.
8248 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8250 Re-install recently reverted patch.
8251 * emit-rtl.c (try_split): Update mark_jump_label call.
8252 * flow.c (find_sub_basic_blocks): Likewise.
8253 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8255 (mark_all_labels): Kill second parameter.
8256 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8257 (rebuild_jump_labels, jump_optimize_minimal): Update call
8259 (jump_optimize_1): Kill crossjumping code.
8260 (mark_jump_label): Kill cross_jump parameter.
8261 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8262 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8263 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8265 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8267 (dump_file_info): Likewise.
8268 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8269 reorganize passes to do reg-stack first, bb-reorder second.
8270 * invoke.texi (-d letters doc): Remove the jump2 pass.
8272 2001-07-14 Richard Henderson <rth@redhat.com>
8274 * ifcvt.c (find_cond_trap): New.
8275 (find_if_header): Call it.
8276 (merge_if_block): Relax existing jump sanity check.
8277 * jump.c (jump_optimize_1): Remove conditional trap handling.
8279 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8281 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8283 (insn_refs_are_delayed): Correct comment.
8284 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8285 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8286 instead of r31. Make associated insn !TARGET_64BIT, and
8287 provide an additional 64-bit insn that clobbers r2.
8289 (udivsi3): Likewise.
8291 (umodsi3): Likewise.
8293 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8295 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8297 * flow.c (redirect_edge_and_branch_force, split_edge,
8298 try_crossjump_to_edge): Use set_block_for_new_insns.
8299 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8301 2001-07-13 H.J. Lu (hjl@gnu.org)
8303 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8306 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8308 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8310 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8312 * c-common.c (decl_attributes): Take a pointer to the node to
8313 which attributes are to be attached, and a flags argument.
8314 * c-common.h (enum attribute_flags): New.
8315 (decl_attributes): Update prototype.
8316 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8317 finish_enum, start_function): Update calls to decl_attributes.
8318 * c-parse.in (component_declarator, component_notype_declarator,
8319 label): Update calls to decl_attributes.
8321 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8323 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8324 * config/avr/avr.c (legitimate_address_p): Return value changed
8325 from letter to register classes. For better debugging.
8327 2001-07-13 Kazu Hirata <kazu@hxi.com>
8329 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8331 2001-07-13 H.J. Lu (hjl@gnu.org)
8333 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8335 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8337 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8338 correctly for shared configurations.
8339 * config/t-libgcc-pic: New.
8340 * config/{i386,m68k,sparc}/t-openbsd: New.
8341 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8342 Support -shared. Support debugging libraries with -g.
8343 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8344 frame information does not emit pointer diffs.
8345 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8348 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8350 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8352 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8354 * combine.c (try_combine): Ensure const_int pow2 is positive.
8356 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8358 * config.gcc: Add configuration for s/390.
8359 * config/s390/s390.c: New. Subroutines for code generation.
8360 * config/s390/s390.h: New. Definitions for s/390.
8361 * config/s390/s390-protos.h: New. Prototypes.
8362 * config/s390/linux.h: New. Definitions for linux for s/390.
8363 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8364 * config/s390/t-linux: New. Makefile fragment.
8365 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8366 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8368 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8370 * emit-rtl.c (try_split): Update mark_jump_label call.
8371 * flow.c (find_sub_basic_blocks): Likewise.
8372 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8374 (mark_all_labels): Kill second parameter.
8375 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8376 (rebuild_jump_labels, jump_optimize_minimal): Update call
8378 (jump_optimize_1): Kill crossjumping code.
8379 (mark_jump_label): Kill cross_jump parameter.
8380 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8381 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8382 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8384 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8386 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8387 reorganize passes to do reg-stack first, bb-reorder second.
8388 * invoke.texi (-d letters doc): Remove the jump2 pass.
8390 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8392 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8394 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8396 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8398 (verify_flow_info): Make diagnostics prettier.
8400 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8402 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8404 * flow.c (outgoing_edges_match): Return early if condition reversal
8407 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8409 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8410 (mips_move_2words): When splitting a move into two instructions,
8411 prefix the second address operand with '%D'.
8413 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8415 * Makefile.in (final.o): Depend on debug.h.
8416 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8417 (dbx_debug_hooks): Add new hooks.
8418 (xcoff_debug_hooks): New.
8419 * debug.c (debug_nothing_file_int_int): New.
8420 (do_nothing_debug_hooks): Update.
8421 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8422 (debug_nothing_file_int_int): New.
8423 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8424 static, update prototype.
8425 (dwarf2_debug_hooks): Update.
8426 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8427 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8428 static, update prototype.
8429 (dwarf_debug_hooks): Update.
8430 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8431 * final.c: Include debug.h.
8432 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8433 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8434 static, update prototype.
8435 (sdb_debug_hooks): Update.
8436 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8437 * toplev.c: Distinguish between xcoff and dbx.
8439 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8440 Call all debug hooks, not just dwarf ones.
8442 2001-07-11 Timothy Wall <twall@redhat.com>
8444 * config.gcc: Add configuration for AIX5/IA64.
8445 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8446 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8447 support prefix/suffix code.
8448 * config/ia64/t-aix: New. Makefile fragment.
8449 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8451 2001-07-11 Kazu Hirata <kazu@hxi.com>
8453 * recog.c (validate_change): Fix a comment typo.
8455 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8457 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8458 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8460 * dbxout.c (dbx_debug_hooks): Add new hooks.
8461 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8463 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8465 * dbxout.h (dbxout_start_new_source_file,
8466 dbxout_resume_previous_source_file): Delete.
8467 * debug.c (do_nothing_debug_hooks): Add new hooks.
8468 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8469 (debug_nothing_int_charstar, debug_nothing_int): New.
8470 * debug.h (gcc_debug_hooks): New hooks define, undef,
8471 start_source_file and end_source_file.
8472 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8473 (debug_nothing_int_charstar, debug_nothing_int): New.
8474 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8475 the conditionally compiled section.
8476 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8477 dwarf2out_define, dwarf2out_undef): Make static.
8478 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8479 dwarf2out_define, dwarf2out_undef): Remove.
8480 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8481 (dwarfout_start_source_file, dwarfout_end_source_file,
8482 dwarfout_define, dwarfout_undef): Make static.
8483 (dwarfout_start_source_file_check,
8484 dwarfout_end_source_file_check): New.
8485 (dwarfout_define, dwarfout_finish): Update.
8486 * dwarfout.h (dwarfout_start_new_source_file,
8487 dwarfout_resume_previous_source_file, dwarfout_define,
8488 dwarfout_undef): Remove.
8489 * sdbout.c (sdb_debug_hooks): Add new hooks.
8490 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8492 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8493 make static, take an arg.
8494 * sdbout.h (sdbout_start_new_source_file,
8495 sdbout_resume_previous_source_file): Delete.
8496 * toplev.c (debug_start_source_file, debug_end_source_file,
8497 debug_define, debug_undef): Delete.
8498 * toplev.h (debug_start_source_file, debug_end_source_file,
8499 debug_define, debug_undef): Delete.
8501 * java/jcf-parse.c: Include debug.h.
8502 (parse_class_file): Update to use debug hooks directly.
8503 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8505 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8507 * alias.c (set_mem_alias_set): New function.
8508 * rtl.h (set_mem_alias_set): Declare it.
8509 * builtins.c (expand_builtin_return_addr): Call it instead of
8510 using MEM_ALIAS_SET accessor.
8511 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8512 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8513 (expand_builtin_va_copy):Likewise.
8514 * caller-save.c (setup_save_areas): Likewise.
8515 * calls.c (compute_argument_addresses): Likewise.
8516 * explow.c (set_mem_attributes): Likewise.
8517 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8518 (expand_assignment, store_constructor_field, store_field): Likewise.
8519 (expand_expr_unaligned): Likewise.
8520 * function.c (assign_stack_temp_for_type): Likewise.
8521 (put_reg_into_stack, gen_mem_addressof): Likewise.
8522 * ifcvt.c (noce_try_cmove_arith): Likewise.
8523 * reload1.c (reload, alter_reg): Likewise.
8524 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8525 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8526 (alpha_expand_unaligned_store): Likewise
8527 (alpha_expand_unaligned_load_words): Likewise.
8528 (alpha_expand_unaligned_store_words): Likewise.
8529 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8530 (alpha_expand_epilogue): Likewise.
8531 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8532 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8533 * config/i386/i386.c (legitimize_pic_address): Likewise.
8534 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8535 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8536 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8537 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8538 * config/mips/mips.c (mips_va_arg): Likewise.
8539 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8540 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8541 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8542 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8543 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8544 (rs6000_emit_epilogue): Likewise.
8545 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8546 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8547 * config/v850/v850.c (v850_va_arg): Likewise.
8549 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8551 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8552 when fallthru edge is present.
8553 (mege_blocks): Handle case where creation of jump insn
8556 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8557 CLEANUP_POST_REGSTACK): New constants.
8558 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8559 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8560 * output.h (cleanup_cfg): Update prototype.
8561 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8562 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8563 cleanup_cfg call; kill missleading comment.
8564 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8565 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8566 parameter; control optimizations performed using it.
8567 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8568 try_crossjump_bb): New functions.
8570 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8572 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8574 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8575 pa_output_function_prologue.
8576 * pa-protos.h (pa_output_function_prologue): New prototype.
8578 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8580 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8581 and low to get correct sign extension in low+high test.
8583 2001-07-11 Janis Johnson <janis@us.ibm.com>
8585 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8586 for large hit count.
8588 * profile.c (branch_prob): Fix .bbg info for computed gotos
8591 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8593 * stmt.c (parse_output_constraint): New function, split out
8595 (expand_asm_operands): ... here. Use parse_output_constraint.
8596 * tree.h (parse_output_constraint): Declare it.
8598 2001-07-11 Richard Henderson <rth@redhat.com>
8600 * bitmap.c: Comment some functions; fiddle whitespace.
8601 (bitmap_free): Don't export.
8602 (bitmap_element_allocate): Use memset.
8603 * bitmap.h (bitmap_free): Don't declare.
8605 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8607 * gcse.c, lcm.c, sched-deps.c:
8608 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8610 * flow.c (flow_loops_find): Free dom if we found no loops, since
8611 we aren't going to save it.
8613 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8616 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8618 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8620 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8622 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8623 #ifndef DWARF2_DEBUGGING_INFO.
8625 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8627 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8629 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8631 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8632 reverse a branch if a NE comparison is implemented with GTU.
8634 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8635 H.J. Lu <hjl@gnu.org>
8637 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8639 (call_internal2): Likewise.
8640 (call_value_internal1): Likewise.
8641 (call_value_internal2): Likewise.
8642 (call_value_multiple_internal1): Likewise.
8643 (call_value_multiple_internal2): Likewise.
8645 2001-07-10 Kazu Hirata <kazu@hxi.com>
8647 * calls.c (emit_library_call_value_1): Fix a comment typo.
8648 * dwarf2out.c (mem_loc_descriptor): Likewise.
8649 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8651 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8653 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8655 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8657 * recog.c (offsettable_address_p): Handle LO_SUM case.
8658 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8659 instead of plus_constant.
8661 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8663 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8664 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8666 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8668 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8669 adjust_address_nv instead of plus_constant.
8671 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8673 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8674 dwarf2out.o): Depend on debug.h, wrap long lines.
8675 * dbxout.c: Include debug.h.
8676 (dbx_debug_hooks): New.
8677 (dbxout_init): Make static, take just 2 args.
8678 (dbxout_finish): Make static.
8679 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8680 * debug.c: New file.
8681 * debug.h: New file.
8682 * dwarf2out.c: Include debug.h.
8683 (dwarf2_debug_hooks): New.
8684 (dwarf2out_init): Make static.
8685 (dwarf2out_finish): Make static, take 2 args.
8686 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8687 * dwarfout.c: Include debug.h.
8688 (dwarf_debug_hooks): New.
8689 (dwarfout_init): Make static.
8690 (dwarfout_finish): Make static, take 2 args.
8691 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8692 * sdbout.c: Include debug.h.
8693 (sdb_debug_hooks): New.
8694 (sdbout_init): Make static, take 2 args.
8695 * sdbout.h (sdbout_init): Delete.
8696 * toplev.c: Include debug.h.
8698 (compile_file): Set deubg_hooks based on command line options.
8699 Use the hooks unconditionally rather than conditional compilation.
8701 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8703 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8704 first_insn_after_basic_block_note instead.
8706 * df.c (df_bb_refs_unlink): #if 0 out for now.
8708 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8710 * ssa.h: Add prototype for ssa_const_prop
8711 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8712 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8713 (ssa_fast_dce): Remove unused variable
8715 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8717 * diagnostic.c (finish_diagnostic): Rename to
8718 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8721 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8723 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8726 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8727 (dump_file): Only pad the demangled name with spaces if the
8728 mangled name was padded with spaces.
8730 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8732 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8735 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8737 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8738 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8741 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8742 whether can put offset inside LO_SUM to check mode alignment, not size.
8744 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8746 * doc/tm.texi (Misc): Fix thinko.
8748 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8750 * regmove.c (replace_in_call_usage): Fix warnings.
8751 * sched-deps.c (add_dependence): Fix warnings.
8752 * simplify-rtx.c (simplify_subreg): Likewise.
8753 Return NULL_RTX instead of NULL.
8755 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8756 (subst_asm_stack_regs): Likewise.
8758 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8761 * dwarf2out.c (output_call_frame_info): Declare i as int.
8762 (build_abbrev_table): Declare n_alloc as int.
8763 (dwarf2out_finish): Initialize die.
8764 * except.c: Declare sjlj_funcdef_number as unsigned.
8765 (connect_post_landing_pads): Declare j as unsigned.
8766 (convert_to_eh_region_ranges): Initialize call_site.
8767 (output_function_exception_table): Initialize tt_format_size.
8768 * expr.c (move_by_pieces_1): Initialize to1.
8769 (store_constructor): Initialize minelt and maxelt.
8770 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8771 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8773 * c-decl.c (combine_parm_decls): Unused, remove.
8774 * c-tree.h: Remove prototype for combine_parm_decls.
8776 * reload.c (push_reload): Fix warning.
8777 (regno_clobbered_p): Likewise.
8778 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8779 (reload_combine): Likewise.
8781 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8782 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8784 * bitmap.c (bitmap_operation): Change user.
8785 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8787 2001-07-10 Eric Christopher <echristo@redhat.com>
8789 * config/mips/mips.c (override_options): Fix typo.
8791 2001-07-09 Stan Shebs <shebs@apple.com>
8793 * target.h (struct gcc_target): New fields init_builtins and
8795 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8796 (TARGET_EXPAND_BUILTIN): New macro.
8797 (TARGET_INITIALIZER): Add them.
8798 * builtins.c: Include target.h.
8799 (expand_builtin): Use targetm.expand_builtin.
8800 (default_init_builtins): New function.
8801 (default_expand_builtin): New function.
8802 * expr.h (default_init_builtins): Declare.
8803 (default_expand_builtin): Declare.
8804 * c-common.c (c_common_nodes_and_builtins): Use
8805 targetm.init_builtins.
8806 * defaults.h (MD_INIT_BUILTINS): Remove.
8807 * Makefile.in (builtins.o): Depend on target.h.
8809 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8810 (TARGET_EXPAND_BUILTIN): Define.
8811 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8812 (MD_EXPAND_BUILTIN): Remove.
8814 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8815 (TARGET_EXPAND_BUILTIN): Define.
8816 (c4x_init_builtins): Make endlink arg a local.
8817 (c4x_print_operand): Fix typos in adjust_address usages.
8818 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8819 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8820 (MD_EXPAND_BUILTIN): Remove.
8822 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8823 (TARGET_EXPAND_BUILTIN): Define.
8824 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8825 (ix86_init_builtins): Call new function only if TARGET_MMX.
8826 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8827 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8828 (MD_EXPAND_BUILTIN): Remove.
8830 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8831 (TARGET_EXPAND_BUILTIN): Define.
8832 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8833 (MD_EXPAND_BUILTIN): Remove.
8835 * doc/tm.texi: Document these changes.
8837 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8839 * basic-block.h (tree_node): Forward declare if needed.
8840 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8841 (BLOCK_HEAD_TREE): Define.
8842 (BLOCK_END_TREE): Define.
8843 (struct loops): Rename field 'tree' to 'tree_root'.
8844 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8846 (flow_loops_tree_build): Rename reference to field 'tree' to
8848 (flow_loops_level_compute): Ditto.
8849 * predict.c (estimate_bb_frequencies): Ditto.
8850 * tree.h (struct tree_common): Add field 'aux'.
8852 2001-07-09 Stan Shebs <shebs@apple.com>
8854 * config/darwin.c (darwin_encode_section_info): Don't mark any
8855 DECL_EXTERNAL node as defined.
8857 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8859 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8860 pa_free_machine_status, hppa_init_pic_save): Delete.
8861 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8862 (hppa_profile_hook): Use hppa_pic_save_rtx.
8863 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8864 hppa_init_pic_save): Delete.
8865 (hppa_pic_save_rtx): Declare.
8866 * pa.md (call, call_value, sibcall, sibcall_value,
8867 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8869 2001-07-09 Kazu Hirata <kazu@hxi.com>
8871 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8872 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8874 2001-07-09 Andreas Jaeger <aj@suse.de>
8876 * output.h: Add declaration of final_forward_branch_p.
8878 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8880 * varray.c: Include errors.h for internal_error and trim_filename
8883 * Makefile.in (varray.o): Add errors.h.
8885 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8887 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8888 * optabs.c (have_add2_insn): Check whether the add insn chosen
8889 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8890 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8892 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8894 * Makefile.in (OBJS): Add ssa-ccp.o
8895 (ssa-ccp.o): Add dependencies.
8896 * toplev.c (DFI_ssa_ccp): New dump file enum.
8897 (dump_file): Add entry for dumping after SSA CCP.
8898 (flag_ssa_ccp): New flag variable.
8899 (f_options): Add -fssa-ccp.
8900 (rest_of_compilation): Run SSA CCP if requested.
8901 * timevar.def (TV_SSA_CCP): New timevar.
8902 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8903 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8904 Fix minor typo in SSA DCE documentation.
8905 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8906 Add documentation for new dump option. Renumber dump files
8909 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8911 * emit-rtl.c (gen_highpart_mode): New.
8912 * rtl.h (gen_highpart_mode): Declare.
8913 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8914 operand can be VOIDmode constant.
8916 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8918 * flow.c (redirect_edge_and_branch_force): New.
8919 (can_fallthru): Ensure that basic blocks are succeeding.
8920 (try_optimize_cfg): Do not delete basic block if it is the last one.
8922 * flow.c (try_redirect_by_replacing_jump): Do not remove
8923 jumps with side effects, unlink chain on fallthru edge;
8924 set block for new jump instruction; avoid basic block to
8925 over by line number note.
8927 * flow.c (try_simplify_condjump): Verify that the condjump
8928 is not always falling trought.
8931 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8933 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8934 (try_redirect_by_replacing_jump): Update properly the count
8935 and frequency information.
8937 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8939 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8940 address that is a LO_SUM specially.
8941 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8943 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8945 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8946 (operand_subword): Use them.
8947 (change_address_1): Renamed from change_address; new arg VALIDATE.
8948 * expr.h: Reflect above changes; change_address now macro.
8949 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8951 * cselib.c (add_mem_for_addr): Likewise.
8952 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8953 * regmove.c (try_apply_stack_adjustment): Likewise.
8954 * reload.c (push_reload, make_memloc): Likewise.
8955 * reload1.c (eliminate_regs): Likewise.
8956 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8957 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8959 * combine.c (make_extraction, simplify_shift_const): Likewise.
8960 (gen_lowpart_for_combine): Likewise.
8961 * cse.c (gen_lowpart_if_possible): Likewise.
8962 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8963 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8964 * optabs.c (gen_move_insn): Likewise.
8965 * reload1.c (alter_reg): Likewise.
8966 * simplify-rtx.c (simplify_subreg): Likewise.
8967 * stmt.c (expand_anon_union_decl): Likewise.
8968 * recog.c (validate_replace_rtx_1): Likewise.
8970 * Makefile.in (recog.o): Add $(EXPR_H).
8971 * explow.c (stabilize): Call replace_equiv_address.
8972 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8973 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8975 2001-07-03 Andrew Haley <aph@redhat.com>
8977 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8978 the mode of the memory location.
8980 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8982 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8984 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8986 * final.c (output_addr_const): Use target opening and
8987 closing parentheses.
8988 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8989 defaults, add to TARGET_ASM_OUT.
8990 * target.h (struct gcc_target): Add open_paren and close_paren.
8991 * doc/md.texi: Update.
8992 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8993 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8994 TARGET_ASM_CLOSE_PAREN.
8995 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8997 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8999 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9000 * config/a29k/a29k.h: Similarly.
9001 * config/alpha/alpha.h: Similarly.
9002 * config/arc/arc.h: Similarly.
9003 * config/arm/aof.h: Similarly.
9004 * config/arm/aout.h: Similarly.
9005 * config/avr/avr.h: Similarly.
9006 * config/c4x/c4x.h: Similarly.
9007 * config/clipper/clipper.h: Similarly.
9008 * config/convex/convex.h: Similarly.
9009 * config/d30v/d30v.h: Similarly.
9010 * config/dsp16xx/dsp16xx.h: Similarly.
9011 * config/elxsi/elxsi.h: Similarly.
9012 * config/fr30/fr30.h: Similarly.
9013 * config/h8300/h8300.h: Similarly.
9014 * config/i370/i370.h: Similarly.
9015 * config/i386/i386.h: Similarly.
9016 * config/i860/i860.h: Similarly.
9017 * config/i960/i960.h: Similarly.
9018 * config/ia64/ia64.h: Similarly.
9019 * config/m32r/m32r.h: Similarly.
9020 * config/m68hc11/m68hc11.h: Similarly.
9021 * config/m68k/m68k.h: Similarly.
9022 * config/m88k/m88k.h: Similarly.
9023 * config/mcore/mcore.h: Similarly.
9024 * config/mips/mips.h: Similarly.
9025 * config/mn10200/mn10200.h: Similarly.
9026 * config/mn10300/mn10300.h: Similarly.
9027 * config/ns32k/ns32k.h: Similarly.
9028 * config/pa/pa.h: Similarly.
9029 * config/pdp11/pdp11.h: Similarly.
9030 * config/pj/pj.h: Similarly.
9031 * config/romp/romp.h: Similarly.
9032 * config/rs6000/rs6000.h: Similarly.
9033 * config/sh/sh.h: Similarly.
9034 * config/sparc/sparc.h: Similarly.
9035 * config/v850/v850.h: Similarly.
9036 * config/vax/vax.h: Similarly.
9037 * config/we32k/we32k.h: Similarly.
9039 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9041 * doc/c-tree.texi: Document representation of attributes.
9043 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9045 * doc/tm.texi: Update some places for the rename of target to
9048 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9050 * target.h (struct gcc_target): Add insert_attributes.
9051 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9052 (TARGET_INITIALIZER): Update.
9053 * tree.c, tree.h (default_insert_attributes): New function.
9054 Update comments on other default functions to refer to targetm,
9056 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9057 TARGET_INSERT_ATTRIBUTES.
9058 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9059 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9060 Don't use PRAGMA_INSERT_ATTRIBUTES.
9061 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9062 * c-decl.c (start_decl, start_function): Don't call
9063 SET_DEFAULT_DECL_ATTRIBUTES.
9064 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9065 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9067 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9068 (c4x_check_attribute): Avoid modifying attribute list itself.
9069 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9071 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9072 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9074 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9075 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9077 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9078 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9080 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9081 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9082 Adjust parameters. Make static.
9084 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9086 * c-common.c (decl_attributes): Only take a single attributes
9088 * c-common.h (decl_attributes): Update prototype.
9089 * c-decl.c (start_decl, start_function): Only take a single
9090 attributes parameter. Update calls to decl_attributes.
9091 (finish_struct, finish_enum): Update calls to decl_attributes.
9092 (push_parm_decl): Expect unified list of attributes. Update call
9094 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9095 notype_nested_function, component_declarator,
9096 component_notype_declarator, label): Update calls to
9098 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9099 lists that are passed to push_parm_decl.
9100 * c-tree.h (start_function, start_decl): Update prototypes.
9101 * config/sh/sh-protos.h, config/sh/sh.c
9102 (sh_pragma_insert_attributes): Only take a single attributes
9104 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9105 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9106 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9107 build_module_descriptor, generate_static_references,
9108 generate_strings, build_selector_translation_table,
9109 generate_descriptor_table, generate_protocols,
9110 generate_ivars_list, generate_dispatch_table,
9111 generate_protocol_list, generate_category,
9112 generate_shared_structures, really_start_method, add_objc_decls,
9113 generate_classref_translation_entry): Update calls to start_decl
9115 (build_tmp_function_decl, start_method_def): Unify attribute lists
9116 that are passed to push_parm_decl.
9118 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9120 * final.c (no_asm_to_stream): New.
9121 (final_scan_insn): Use target structures for prologue ends
9122 and epilogue starts.
9123 * output.h (no_asm_to_stream): New.
9124 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9125 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9126 (TARGET_ASM_OUT): Update.
9127 * target.h (struct gcc_target): New members function_end_prologue
9128 and function_begin_epilogue.
9129 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9130 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9131 * config/alpha/alpha.c (output_end_prologue): Rename to
9132 alpha_output_function_end_prologue. Use in target struct
9134 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9135 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9136 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9137 ia64_output_function_end_prologue. Use in target struct
9139 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9140 mistyped prototypes.
9141 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9142 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9144 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9145 an use in target struct, make static.
9146 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9149 2001-07-08 Richard Henderson <rth@redhat.com>
9151 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9153 2001-07-08 Richard Henderson <rth@redhat.com>
9155 * config/i386/i386.md: Remove constraints strings from define_split
9156 and define_peephole2 patterns.
9157 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9158 (eh_return): Use them.
9160 2001-07-08 Richard Henderson <rth@redhat.com>
9162 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9163 Document MD_FALLBACK_FRAME_STATE_FOR.
9165 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9167 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9168 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9170 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9172 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9174 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9175 of the label inside NAME as opposed to just the end of NAME.
9177 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9179 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9180 * config/alpha/alpha.c (alpha_init_machine_status,
9181 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9182 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9183 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9184 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9186 2001-07-06 Stan Shebs <shebs@apple.com>
9188 * target.h (targetm): Rename global from "target", so as not to
9189 conflict with local variables.
9191 * c-typeck.c: Ditto.
9195 * cp/decl2.c: Ditto.
9196 * cp/typeck.c: Ditto.
9197 * 1750a/1750a.c: Ditto.
9198 * a29k/a29k.c: Ditto.
9202 * clipper/clipper.c: Ditto.
9203 * convex/convex.c: Ditto.
9204 * d30v/d30v.c: Ditto.
9205 * dsp16xx/dsp16xx.c: Ditto.
9206 * elxsi/elxsi.c: Ditto.
9207 * fr30/fr30.c: Ditto.
9208 * h8300/h8300.c: Ditto.
9209 * i370/i370.c: Ditto.
9210 * i386/i386.c: Ditto.
9211 * i860/i860.c: Ditto.
9212 * i960/i960.c: Ditto.
9213 * ia64/ia64.c: Ditto.
9214 * m32r/m32r.c: Ditto.
9215 * m68hc11/m68hc11.c: Ditto.
9216 * m68k/m68k.c: Ditto.
9217 * m88k/m88k.c: Ditto.
9218 * mips/mips.c: Ditto.
9219 * ns32k/ns32k.c: Ditto.
9221 * pdp11/pdp11.c: Ditto.
9222 * romp/romp.c: Ditto.
9223 * rs6000/rs6000.c: Ditto.
9225 * sparc/sparc.c: Ditto.
9227 * we32k/we32k.c: Ditto.
9228 * doc/tm.texi: Update the manual to match.
9230 2001-07-06 Richard Henderson <rth@redhat.com>
9232 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9233 DWARF2_UNWIND_INFO not just whether it is defined.
9235 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9237 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9238 call to simplify_binary_operation returns a new pattern.
9240 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9242 * glimits.h (__SHRT_MAX__): New.
9243 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9244 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9246 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9248 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9251 2001-07-06 Richard Henderson <rth@redhat.com>
9253 * bitmap.c (bitmap_release_memory): Move adjacent to the
9254 allocation functions.
9255 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9256 the implementation. Binary search for the set bit.
9257 (bitmap_union_of_diff): Allocate the temporary on the stack
9258 instead of using xmalloc.
9260 2001-07-06 Richard Henderson <rth@redhat.com>
9262 * genrecog.c (validate_pattern): Warn for constraints in
9263 define_{expand,split,peephole2}. Remove strict_low_part
9264 before looking up match_dup.
9266 2001-07-06 DJ Delorie <dj@redhat.com>
9268 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9269 chapter about various build hints and history. Add section
9270 talking about the various types of native and cross builds.
9272 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9274 * Makefile.in (final.o): Depend on target.h.
9275 * final.c: Include target.h.
9276 (default_function_pro_epilogue): New.
9277 (final_start_function): Use target structure for function prologues.
9278 (final_end_function): Use target structure for function epilogues.
9279 * fold-const.c (real_hex_to_f): Constify s and p.
9280 * output.h (default_function_pro_epilogue): New.
9281 * real.h (real_hex_to_f): Update prototype.
9282 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9283 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9284 (TARGET_INITIALIZER): Update.
9285 * target.h (gcc_target): Add struct asm_out.
9286 * doc/tm.texi: Update.
9289 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9290 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9291 in cpu/cpu.c, or rename old functions consistently. Take
9292 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9293 redundant macros and prototypes. Make new functions static.
9295 * 1750a/1750a.c: Similarly.
9296 * 1750a/1750a.h: Similarly.
9297 * a29k/a29k-protos.h: Similarly.
9298 * a29k/a29k.c: Similarly.
9299 * a29k/a29k.h: Similarly.
9300 * arc/arc-protos.h: Similarly.
9301 * arc/arc.c: Similarly.
9302 * arc/arc.h: Similarly.
9303 * arm/arm-protos.h: Similarly.
9304 * arm/arm.c: Similarly.
9305 * arm/arm.h: Similarly.
9306 * avr/avr-protos.h: Similarly.
9307 * avr/avr.c: Similarly.
9308 * avr/avr.h: Similarly.
9309 * clipper/clipper-protos.h: Similarly.
9310 * clipper/clipper.c: Similarly.
9311 * clipper/clipper.h: Similarly.
9312 * convex/convex.c: Similarly.
9313 * convex/convex.h: Similarly.
9314 * d30v/d30v-protos.h: Similarly.
9315 * d30v/d30v.c: Similarly.
9316 * d30v/d30v.h: Similarly.
9317 * d30v/d30v.md: Similarly.
9318 * dsp16xx/dsp16xx-protos.h: Similarly.
9319 * dsp16xx/dsp16xx.c: Similarly.
9320 * dsp16xx/dsp16xx.h: Similarly.
9321 * elxsi/elxsi.c: Similarly.
9322 * elxsi/elxsi.h: Similarly.
9323 * fr30/fr30.c: Similarly.
9324 * fr30/fr30.md: Similarly.
9325 * h8300/h8300-protos.h: Similarly.
9326 * h8300/h8300.c: Similarly.
9327 * h8300/h8300.h: Similarly.
9328 * i370/i370-protos.h: Similarly.
9329 * i370/i370.c: Similarly.
9330 * i370/i370.h: Similarly.
9331 * i386/i386.c: Similarly.
9332 * i386/osf1elf.h: Similarly.
9333 * i386/osfrose.h: Similarly.
9334 * i860/i860-protos.h: Similarly.
9335 * i860/i860.c: Similarly.
9336 * i860/i860.h: Similarly.
9337 * i960/i960-protos.h: Similarly.
9338 * i960/i960.c: Similarly.
9339 * i960/i960.h: Similarly.
9340 * ia64/ia64-protos.h: Similarly.
9341 * ia64/ia64.c: Similarly.
9342 * ia64/ia64.h: Similarly.
9343 * m32r/m32r-protos.h: Similarly.
9344 * m32r/m32r.c: Similarly.
9345 * m32r/m32r.h: Similarly.
9346 * m68hc11/m68hc11-protos.h: Similarly.
9347 * m68hc11/m68hc11.c: Similarly.
9348 * m68hc11/m68hc11.h: Similarly.
9349 * m68k/crds.h: Similarly.
9350 * m68k/dpx2.h: Similarly.
9351 * m68k/m68k-protos.h: Similarly.
9352 * m68k/m68k.c: Similarly.
9353 * m68k/m68k.h: Similarly.
9354 * m68k/news.h: Similarly.
9355 * m88k/m88k-protos.h: Similarly.
9356 * m88k/m88k.c: Similarly.
9357 * m88k/m88k.h: Similarly.
9358 * mips/mips-protos.h: Similarly.
9359 * mips/mips.c: Similarly.
9360 * mips/mips.h: Similarly.
9361 * ns32k/merlin.h: Similarly.
9362 * ns32k/ns32k.c: Similarly.
9363 * ns32k/ns32k.h: Similarly.
9364 * ns32k/tek6000.h: Similarly.
9365 * pa/pa-protos.h: Similarly.
9366 * pa/pa.c: Similarly.
9367 * pa/pa.h: Similarly.
9368 * pdp11/2bsd.h: Similarly.
9369 * pdp11/pdp11-protos.h: Similarly.
9370 * pdp11/pdp11.c: Similarly.
9371 * pdp11/pdp11.h: Similarly.
9372 * romp/romp-protos.h: Similarly.
9373 * romp/romp.c: Similarly.
9374 * romp/romp.h: Similarly.
9375 * rs6000/rs6000-protos.h: Similarly.
9376 * rs6000/rs6000.c: Similarly.
9377 * rs6000/rs6000.h: Similarly.
9378 * rs6000/sysv4.h: Similarly.
9379 * sh/sh-protos.h: Similarly.
9380 * sh/sh.c: Similarly.
9381 * sh/sh.h: Similarly.
9382 * sparc/sparc-protos.h: Similarly.
9383 * sparc/sparc.c: Similarly.
9384 * sparc/sparc.h: Similarly.
9385 * vax/vax.c: Similarly.
9386 * vax/vax.h: Similarly.
9387 * vax/vms.h: Similarly.
9388 * we32k/we32k.c: Similarly.
9389 * we32k/we32k.h: Similarly.
9391 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9393 * basic-block.h (first_insn_after_basic_block_note): Declare.
9394 * flow.c (first_insn_after_basic_block_note): Define. Moved
9396 * ssa.c (first_insn_after_basic_block_note): Remove.
9397 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9399 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9400 nodes when we find a dead conditional branch. Insert BARRIERs
9401 after any blocks with no successors, but which do not have
9404 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9406 * varray.c (varray_check_failed): Use internal_error.
9408 2001-07-05 Andrew Haley <aph@redhat.com>
9410 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9411 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9412 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9414 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9416 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9417 reference if the target constant is also a SYMBOL_REF.
9419 2001-07-05 Eric Christopher <echristo@redhat.com>
9421 * config/mips/mips.h (MASK_MIPS3900): Remove.
9422 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9423 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9424 (TARGET_MIPS3900): Change to use mips_arch.
9425 (TARGET_MIPS4000): New.
9426 (TARGET_MIPS4100): New.
9427 (TARGET_MIPS4300): New.
9428 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9429 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9431 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9432 (ISA_HAS_BRANCHLIKELY): To here.
9433 (CC1_CPU_SPEC): New.
9434 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9435 (mips_arch_string): Declare.
9436 (mips_arch): Declare.
9437 (TARGET_OPTIONS): Add -march and -mtune.
9439 * config/mips/mips.c (mips_arch_string): New.
9441 (override_options): Handle -march for codegen and -mtune
9442 for scheduling. Use mips_arch. Move tx39 target default here.
9443 (mips_parse_cpu): Move error message to override_options.
9445 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9447 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9449 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9450 (MIPS Options): Ditto. Change mcpu entry to historical text.
9452 2001-07-05 H.J. Lu (hjl@gnu.org)
9454 * config/mips/mips.c (mips_parse_cpu): New function to parse
9457 2001-07-05 Jim Wilson <wilson@redhat.com>
9459 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9460 * config/ia64/t-ia64: Likewise.
9461 (LIB1ASMFUNCS): Update comment.
9463 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9465 * doc/install.texi (Install GCC: Binaries): Fix typo.
9467 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9469 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9470 reference using the stack pointer, adjust it since we push Y
9472 ("*ashrsi3"): Likewise.
9473 ("*lshrsi3"): Likewise.
9475 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9477 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9478 when -fomit-frame-pointer is used.
9480 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9482 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9483 (try_redirect_by_replacing_jump): Reverse updating properly the
9484 count and frequency information. Reverse removing cc0 setter.
9485 (forwarder_block_p): Reverse fixing for fallthru blocks.
9487 2001-07-05 DJ Delorie <dj@redhat.com>
9489 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9490 (translate_options): If the above is defined, use it to map
9491 given options to new options.
9492 * doc/tm.texi: Document it.
9494 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9495 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9497 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9498 cause programs using computed gotos to run more slowly.
9500 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9502 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9504 Consistently require binutils 2.11.2, not prereleases.
9505 (Specific, decstation-*): Canonicalize as mips-dec-*.
9506 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9508 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9509 (Specific, mips-*): Reword MIPS C compiler requirements.
9510 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9511 (Specific, sunv5): Removed, obsolete.
9513 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9515 * dwarf2out.c (output_loc_list): Use an all ones mask for
9516 .text asm output and don't rely on long long
9517 literals. Reformat some long lines.
9519 2001-07-05 Andreas Jaeger <aj@suse.de>
9521 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9524 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9526 * dwarf2out.c (dwarf2out_define): Update comment.
9527 (dwarf2out_undef): Ditto.
9528 (dwarf2out_start_source_file): Ditto.
9529 (dwarf2out_end_source_file): Ditto.
9530 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9531 since we never call the start/end debug hook for the primary file.
9533 2001-07-04 Kazu Hirata <kazu@hxi.com>
9535 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9538 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9540 * cppinit.c (remove_dup_dirs): Inform if a system include
9541 directory is being reordered.
9542 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9544 * doc/cpp.texi (Search Paths): Likewise.
9545 * doc/gcc.texi (Interoperation): Remove information about
9548 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9550 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9551 (VARRAY_TOP_CHAR_PTR): Likewise.
9553 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9555 * gcc.c (process_command): Don't assign elements of a const char*.
9557 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9559 * emit-rtl.c (change_address): Don't abort if invalid address while
9560 reload is in progress.
9562 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9564 * c-lex.c (cb_file_change): Pass line number to
9565 debug_start_source_file.
9566 (cb_undefine): Pass correct line number to debug_undef.
9568 * toplev.c (debug_start_source_file): Add line number to
9569 parameters. Pass it along to dwarf2out_start_source_file.
9570 (decode_g_option): Stop resetting debug level back to normal when
9571 we change debug formats, unless the current level is
9572 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9575 * toplev.h (debug_start_source_file): Add line number to
9578 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9581 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9583 Output debug_macinfo data for starting file if requested.
9584 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9586 (dwarf2out_define): Output debug_macinfo data for defining a macro
9588 (dwarf2out_undef): Output debug_macinfo data for undefining a
9590 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9591 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9592 (macinfo_section_label): New. DWARF2 macro info section label.
9593 (dwarf2out_init): If we want macro info, output the start label
9595 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9596 attribute to the compilation unit die pointing to the macro info.
9598 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9600 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9601 DWARF2_DEBUGGING_INFO.
9602 (add_loc_descr_to_loc_list): Ditto.
9603 (output_loc_list): Ditto.
9604 Also, fix thinko in curr not being initialized.
9605 (gen_internal_sym): Ditto.
9607 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9609 * emit-rtl.c (replace_equiv_address): New function.
9610 * expr.h (replace_equiv_address): New declaration.
9611 * explow.c (validize_mem): Call it instead of change_address and
9612 also call if -fforce-addr and address is constant.
9613 * expr.c: Replace more calls to change_address with adjust_address
9614 and/or replace_equiv_address or to validize_mem.
9615 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9616 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9617 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9618 * config/i370/i370.md, config/i860/i860.md: Likewise.
9619 * config/i960/i960.md, config/mips/mips.c: Likewise.
9620 * config/mips/mips.md, config/pa/pa.md: Likewise.
9621 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9622 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9624 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9626 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9628 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9631 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9633 * doc/include: New directory.
9634 * doc/fdl.texi: Move to doc/include/fdl.texi.
9635 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9636 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9637 * doc/gcc.texi: Use funding.texi and gpl.texi.
9638 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9639 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9640 Update dependencies and use -I $(docdir)/include.
9642 2001-07-04 Anthony Green <green@redhat.com>
9644 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9646 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9648 * doc/install.texi (sparc64-*-*): Remove garbage.
9650 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9652 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9653 Fix typo in last change to use adjust_address.
9655 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9657 * doc/install.texi (Specific): Update information for *-*-solaris*.
9659 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9661 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9663 2001-07-03 Stan Shebs <shebs@apple.com>
9665 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9666 case for flag_no_mach_text_sections.
9667 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9668 * config/darwin.c (flag_no_mach_text_sections): Remove.
9669 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9671 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9673 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9674 and avoid checking for constant as first operand.
9675 * recog.c (find_constant_term_loc): No longer static.
9676 (adj_offettable_operand): Delete.
9677 * rtl.h (adj_offsettable_operand): Delete declaration.
9678 (find_constant_term): Add declaration.
9679 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9681 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9682 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9683 * config/i386/i386.c, config/i386/i386.md: Likewise.
9684 * config/i860/i860.c, config/i960/i960.c: Likewise.
9685 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9686 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9687 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9688 * config/mips/mips.c, config/mips/mips.md: Likewise.
9689 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9690 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9691 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9692 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9693 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9694 * config/ns32k/ns32k.md: Likewise.
9696 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9698 * rtl.c (copy_rtx): Handle 'T' format letter.
9699 * gensupport.c (collect_insn_data): Likewise.
9700 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9702 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9704 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9705 -B option. Use 'dir' not 'foo' as example directory name.
9707 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9709 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9710 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9712 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9714 * doc/cppinternals.texi: Improve formatting and logical markup.
9716 2001-07-03 Andreas Jaeger <aj@suse.de>
9718 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9720 * genrecog.c (write_header): Include reload.h for prototypes in
9723 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9726 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9727 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9728 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9729 i386_pe_valid_type_attribute_p): Add.
9730 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9731 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9733 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9735 * explow.c (plus_constant_wide, case LO_SUM): New case.
9736 (plus_constant_for_output_wide): Delete.
9737 * rtl.h (plus_constant_for_output): Delete.
9738 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9739 instead of plus_constant_for_output.
9740 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9741 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9742 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9743 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9744 * config/sparc/sparc.md: Likewise.
9745 Convert some change_address calls to adjust_address.
9747 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9749 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9750 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9751 documentation of -std and -Wwrite-strings.
9753 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9755 * cse.c (canon_hash): Don't register registers in very small
9756 register classes, as extending their lifetime might cause
9759 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9761 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9763 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9764 (try_redirect_by_replacing_jump): Update properly the count
9765 and frequency information.
9767 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9769 * toplev.c (dump_file_index): Move SSA dumps just after first
9771 (dump_file): Corresponding changes.
9772 (rest_of_compilation): Move SSA path to just after the first
9774 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9775 * doc/invoke.texi: Update dump file #s as they were completely
9776 out of date with reality.
9778 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9780 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9782 * expr.c (emit_move_insn_1): Deal with non-default
9785 * expr.c (emit_single_push_insn): Fix warning.
9787 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9789 * expr.c (emit_move_insn_1): Avoid modifying
9790 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9792 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9794 * emit-rtl.c (adjust_address): New function.
9795 * expr.h (adjust_address): Add declaration.
9796 * builtins.c: Replace some calls to change_address with calls to it
9798 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9799 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9800 * config/arm/arm.c, config/convex/convex.c: Likewise.
9801 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9802 * config/i386/i386.c, config/i386/i386.md: Likewise.
9803 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9804 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9805 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9806 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9807 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9809 2001-07-02 Jim Wilson <wilson@redhat.com>
9811 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9813 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9815 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9816 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9818 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9820 * cppinit.c (lang_defaults): New table.
9821 (set_lang): Just read from lang_defaults into the live options
9824 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9826 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9827 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9828 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9830 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9832 * doc/install.texi: Various spelling and markup fixes.
9833 (Installing GCC): Component specific installation instructions are
9836 Warn about removing old install dir in the presence of shared libs.
9837 (Configuration): Invoke with options target to match configure
9839 Consistently refer to gas, gld pathnames.
9840 Invert --enable-multilib documentation.
9841 Remove references to old compiler versions.
9843 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9845 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9847 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9849 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9851 (Specific, mips*-sgi-irix5): Note IDO download.
9852 Reworded MIPS C hints.
9853 Use GNU as instead of GAS.
9855 Removed SGI Freeware reference, IRIX 6 only.
9856 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9857 Note N64 library requirement/workaround.
9859 Complete list of structure passing bug victims.
9861 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9863 * doc/install.texi: Remove CVS Id.
9865 2001-07-02 Andreas Jaeger <aj@suse.de>
9867 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9868 (find_inherently_necessary): Remove unused variable.
9870 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9872 * c-common.h (TDI_inlined): New ast dump phase.
9873 (dump_flag_name): New function.
9874 * c-dump.c (dump_files): Add inlined phase.
9875 (dump_flag_name): Define.
9876 * doc/invoke.texi (-fdump-ast-inlined): Document.
9878 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9880 * stor-layout.c (layout_decl): Revert change to handling of alignment
9883 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9885 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9888 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9890 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9893 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9895 * tlink.c (recompile_files): Remove COMPILER_PATH and
9896 LIBRARY_PATH from the environment.
9898 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9900 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9901 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9903 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9905 * c-parse.in (OBJC_STRING): Kill.
9906 (objc_string): Decompose to [objc_string] '@' STRING.
9907 (reswords): Take the leading '@' off all the Objective C keywords.
9908 (objc_rid_sans_at): Kill.
9909 (init_reswords): Don't initialize it.
9910 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9911 (_yylex): Kill reconsider label. Look ahead one token after
9912 an '@'; if we get an identifier, check whether it's an
9913 Objective C @-keyword. If so, return the keyword. Otherwise,
9914 put back the token and return the '@' as a terminal.
9916 * cpplib.c (lex_macro_node): Remove unnecessary check for
9917 leading '@' on identifier. Clarify control flow and commentary.
9919 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9921 * cse.c (new_label_ref): Variable deleted.
9922 (insert): Remove set of new_label_ref.
9923 (check_for_label_ref): New function.
9924 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9926 See ChangeLog.5 for earlier changes.