1 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
3 * doc/cppinternals.texi: Update.
5 2001-10-04 Eric Christopher <echristo@redhat.com>
7 * config/mips/mips.c (init_cumulative_args): Remember to set
9 * config.gcc: Redo linux configuration. Add target_cpu_default
10 of soft-float to all mipsisa32 combinations and tx39.
11 * config/mips/linux.h: Remove include of mips.h.
13 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
15 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
16 HOST_LDFLAGS and HOST_CPPFLAGS.
18 2001-10-03 Ziemowit Laski <zlaski@apple.com>
20 * c-parse.in (objc_inherit_code, objc_pq_context,
21 objc_public_flag): Make static.
22 (objc_interface_context, objc_implementation_context,
23 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
24 global tree array in objc/objc-act.[ch].
25 (methoddef): Remove unnecessary code.
27 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
28 Hoist struct definitions to objc-act.h.
29 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
30 cat_count): Place declaration in objc-act.h.
31 (objc_tree_index): Move enumeration to objc-act.h.
32 (objc_global_trees): Place declaration and macro accessors in
34 (implementation_context): Remove duplicate; use
35 objc_implementation_context instead:
36 (method_context): Remove duplicate; use objc_method_context
38 (objc_ellipsis_node, objc_method_prototype_template,
39 implemented_classes, function_type): Move global vars to
41 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
42 (build_message_expr): Move actual construction of ObjC message
43 send nodes to finish_message_expr.
44 (finish_message_expr): New routine, contains code formerly in
46 * objc/objc-act.h (finish_message_expr): New prototype.
47 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
48 declarations; these vars are now part of objc_global_trees.
49 (objc_tree_index, objc_global_trees): Move definitions from
51 * objc/objc-tree.def: Update copyright info.
53 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
55 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
57 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
58 only if TARGET_ARCH64.
60 2001-10-02 Bernd Schmidt <bernds@redhat.com>
62 * doc/extend.texi: Fix some problems with previous checkin.
63 * doc/invoke.texi: Likewise.
65 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
67 * cpphash.h: Update comments.
68 (cpp_context): Update.
69 (spec_nodes): Remove n__Pragma.
70 * cppinit.c (cpp_create_reader): Update.
71 (builtin_array): Add _Pragma.
72 * cpplib.h: Update comments.
73 (NODE_DISABLED, BT_PRAGMA): New.
74 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
75 * cppmacro.c (struct cpp_macro): Remove disabled.
76 (builtin_macro): Return int, handle _Pragma, push the new token
78 (funlike_invocation_p): Unconstify, update.
79 (enter_macro_context): Handle builtins here.
80 (replace_args, push_token_context, push_ptoken_context):
81 Update for prototype changes.
82 (_cpp_pop_context): Update.
83 (cpp_get_token): Don't handle buitins, nor _Pragma here.
84 (cpp_sys_macro_p): Update.
85 (_cpp_free_definition): Clear disabled flag.
86 (_cpp_create_definition): Upate.
87 * cppmain.c: Update comments.
89 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
90 Andreas Jaeger <aj@suse.de>,
91 Jan Hubicka <jh@suse.cz>
93 * doc/invoke.texi (i386 Options): Document x86-64 options.
94 (i386 and x86-64 Options): Rename i386 options section.
96 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
97 (TARGET_SWITCHES): Add -munwind-info.
98 (MASK_NO_UNWIND_INFO): New.
99 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
101 (ASM_OUTPUT_DOUBLE_INT): New.
103 * config/i386/linux64.h: New spec file for Linux x86-64 support.
104 * config.gcc: Fix tm_file settings for x86-64.
105 * config/i386/x86-64.h: New file with OS independent x86-64
107 * config/i386/biarch64.h: New file used to configure compiler
108 to biarch/64bit compilation.
110 * config/i386/i386.c: (override_options): Set flags default
111 for 64bit compilation.
113 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
115 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
116 (ix86_expand_int_movcc): Optimize DImode conditional moves with
118 (ix86_attr_length_immediate_default): Support MODE_DI.
119 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
121 (indirect_jump, tablejump): Turn into expander.
123 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
125 * c-common.c (c_format_attribute_table): Make format and
126 format_arg attributes apply to function types rather than to
128 (is_valid_printf_arglist): Construct an attribute list and pass
129 that to check_function_format rather than a name.
130 * c-common.h (check_function_format): Adjust prototype.
131 * c-decl.c (duplicate_decls): Preserve attributes from type of
132 built-in decl when allowing for harmless conflict in types.
133 * c-format.c (record_function_format,
134 record_international_format, function_format_list,
135 international_format_info, international_format_list): Remove.
136 (function_format_info): Remove next, name and assembler_name.
137 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
138 (decode_format_attr): New.
139 (handle_format_attribute): Handle receiving a type rather than a
140 decl. Call decode_format_attr. Store format information in a
141 function_format_info.
142 (handle_format_arg_attribute): Correct comment. Handle receiving
143 a type rather than a decl. Use unsigned HOST_WIDE_INT for
145 (check_format_info_recurse, check_format_info_main): Take argument
146 numbers as unsigned HOST_WIDE_INT.
147 (check_function_format): Take a list of attributes from the
148 function type rather than a name or assembler name. Check for
149 format attributes in that list and the attributes on the type of
150 the current function rather than looking through
151 function_format_list.
152 (check_format_info): Use unsigned HOST_WIDE_INT for argument
154 (check_format_info_recurse): Take format_arg attributes from the
155 type of the function calls rather than using
156 international_format_list. Allow for multiple format_arg
158 * c-typeck.c (build_function_call): Pass type attributes to
159 check_function_format rather than name or assembler name. Don't
160 require there to be a name or assembler name to check formats.
162 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
164 * attribs.c (decl_attributes): Possibly call
165 insert_default_attributes to insert default attributes on
166 functions in a lazy manner.
167 * builtin-attrs.def: New file; define the default format and
168 format_arg attributes.
169 * c-common.c (c_format_attribute_table): Move to earlier in the
171 (c_common_nodes_and_builtins): Initialize format_attribute_table.
172 (enum built_in_attribute, built_in_attributes,
173 c_attrs_initialized, c_init_attributes,
174 c_common_insert_default_attributes): New.
175 (c_common_lang_init): Don't initialize format_attribute_table. Do
176 call c_init_attributes.
177 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
178 * c-common.h (init_function_format_info): Don't declare.
179 (c_common_insert_default_attributes): Declare.
180 * c-decl.c (implicitly_declare, builtin_function): Call
182 (init_decl_processing): Don't call init_function_format_info.
183 (insert_default_attributes): New.
184 * c-format.c (handle_format_attribute,
185 handle_format_arg_attribute): Be quiet about inappropriate
186 declaration when applying default attributes.
187 (init_function_format_info): Remove.
188 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
189 (insert_default_attributes): Declare.
191 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
193 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
195 2001-10-01 Jim Wilson <wilson@redhat.com>
197 * sched-deps.c (add_dependence): When elide conditional dependence,
198 check that insn doesn't modify cond2.
200 2001-10-01 Dale Johannesen <dalej@apple.com>
202 * config/rs6000/rs6000.h (enum processor_type): Add support
203 for 7400 (G4) and 7450.
205 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
206 (rs6000_issue_rate): Ditto.
207 (rs6000_adjust_cost): Fix cycle counts for compares.
208 (debug_stack_info): Fix an obvious typo.
209 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
210 * doc/invoke.texi: Document.
211 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
213 (PROCESSOR_DEFAULT): Ditto.
215 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
217 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
218 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
219 later recursive make invocation.
221 2001-10-01 Hans Boehm <boehm@acm.org>
223 * optabs.c (emit_libcall_block): When using non-call exceptions,
224 don't add REG_LIBCALL reg notes to trapping calls.
226 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
228 * flow.c (propagate_block_delete_libcall): Remove unused first arg
229 (propagate_one_insn): Update for above change
231 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
233 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
234 _Unwind_GetTextRelBase): Argument is unused.
236 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
238 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
239 Loop through NOPs, placeholders, and components.
240 Don't go through NOPs if change mode.
241 (record_alias_subset): Do nothing if SUBSET and SET are the same.
242 * emit-rtl.c (set_mem_alias_set): Enable check.
243 * expr.c (find_placeholder): New function.
244 (expand_expr, case PLACEHOLDER_EXPR): Use it.
245 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
246 to modify it and avoid unneeded copies.
247 * expr.h (expand_expr): Always define.
248 (find_placeholder): New declaration.
250 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
252 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
253 operand 2 is the stack pointer.
254 ("addr-peephole"): Fix address computation peephole when operand 2
255 is the stack pointer.
257 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
259 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
260 (ix86_setup_incoming_varargs): Likewise.
262 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
264 * stor-layout.c (layout_type): Don't complain about too-large
267 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
269 * function.c (keep_stack_depressed): Don't use delete_insn.
271 * expr.h (set_mem_alias_set): Move decl to here.
272 * rtl.h (mem_attrs): New typedef and struct.
273 (union rtunion_def): Add field for mem_attrs.
274 (X0MEMATTR, MEM_ATTRS): New macros.
275 (MEM_ALIAS_SET): Use MEM_ATTRS.
276 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
277 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
278 (set_mem_alias_set): Delete decl from here.
280 * alias.c (set_mem_alias_set): Delete from here.
281 * emit-rtl.c (mem_attrs_htab): New variable.
282 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
283 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
284 (mem_attrs_mark, get_mem_attrs): Likewise.
285 (gen_rtx_MEM): Clear MEM_ATTRS.
286 (set_mem_attributes): Move to here.
287 (set_mem_alias_set): Likewise, and call get_mem_attrs.
288 (init_emit_once): const_int_htab now deletable htab.
289 Initialize mem_attrs_htab.
290 * explow.c (set_mem_attributes): Delete from here.
291 * function.c (put_var_into_stack): Clear MEM_ATTRS.
292 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
293 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
294 * reload1.c (reload): Rework changing REG to MEM.
296 2001-09-30 H.J. Lu <hjl@gnu.org>
298 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
299 * config.in: Rebuild.
301 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
303 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
304 ("tsthi_1"): Avoid allocation in register y.
305 ("*movqi_68hc12"): Reorganize and fix constraints.
306 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
307 ("addqi3"): Likewise.
308 ("addhi3"): Fix constraints.
309 ("*logicalhi3_zexthi"): Disparage soft registers.
311 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
313 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
316 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
318 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
319 that we use setjmp/longjmp exceptions.
321 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
323 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
324 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
325 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
326 _cpp_pool_alloc, _cpp_next_chunk): Remove.
327 (_cpp_extend_buff, BUFF_ROOM): Update.
328 (_cpp_append_extend_buff): New.
329 (struct cpp_reader): Remove macro_pool, add a_buff.
330 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
332 (cpp_destroy): Free a_buff instead of macro_pool.
333 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
334 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
335 _cpp_pool_alloc, ): Remove.
336 (parse_number, parse_string): Update use of _cpp_extend_buff.
337 (_cpp_extend_buff): Update.
338 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
339 * cpplib.c (glue_header_name, parse_answer):
340 Update use of _cpp_extend_buff.
341 (cpp_register_pragma, cpp_register_pragma_space): Use
343 (do_assert, do_unassert): Check for EOL, update.
344 * cppmacro.c (stringify_arg, collect_args): Update to use
345 _cpp_extend_buff and _cpp_append_extend_buff.
346 (save_parameter, parse_params, alloc_expansion_token,
347 _cpp_create_definition): Rework memory management.
349 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
351 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
352 update md_exec_prefix.
353 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
356 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
358 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
359 (SELECT_CC_MODE): Use s390_select_ccmode.
360 * config/s390/s390-protos.h (s390_select_ccmode): Add.
361 * config/s390/s390.c (s390_select_ccmode): New.
362 (s390_match_ccmode): Add CCLmode.
363 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
364 (output_branch_condition, output_inverse_branch_condition): Removed.
365 (print_operand): Use s390_branch_condition_mnemonic.
366 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
367 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
368 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
370 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
371 when converting conditional branches to far branches.
372 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
373 cmpint_di): Use CCSmode instead of CCUmode.
375 * config/s390/s390.c (legitimate_la_operand_p): New.
376 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
377 * config/s390/s390.md (movsi): Convert load address patterns to
378 arithmetic operations when necessary.
379 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
380 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
381 (*do_la_reg_0): Don't use before reload.
383 * config/s390/s390.c (legitimize_address): Make more efficient
384 use of two-register addressing mode.
386 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
387 with -mno-backchain in some corner cases.
389 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
391 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
393 * reload.c (find_reloads): Mark new USE insns with QImode.
394 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
395 find_reloads_subreg_address): Likewise.
396 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
398 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
400 (reload): Make sure there are no USEs with mode other than
401 VOIDmode. At the end, remove those marked with QImode.
403 2001-09-29 Per Bothner <per@bothner.com>
405 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
406 * Makefile.in (includedir): Rename to local_includedir.
407 (includedir): Define as $(prefix)/include.
408 * config.in (PREFIX_INCLUDE_DIR): New variable.
409 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
411 2001-09-29 Bernd Schmidt <bernds@redhat.com>
413 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
415 * doc/extend.texi (Vector Extensions): New node.
416 * doc/invoke.texi (Machine Dependent Options): Add documentation for
417 i386 -mmmx, -msse, -m3dnow.
419 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
421 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
423 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
425 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
427 * doc/invoke.texi (Optimize Options): Delete spurious @table.
429 2001-09-28 Richard Henderson <rth@redhat.com>
431 * varasm.c (assemble_integer): Bound alignment check by
434 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
436 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
438 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
440 2001-09-25 Bernd Schmidt <bernds@redhat.com>
442 Mostly from Graham Stott <grahams@redhat.com>
443 * c-common.c (type_for_mode): Add support for V2SFmode.
444 * tree.c (build_common_tree_nodes_2): Likewise.
445 * tree.h (enum tree_index, global_trees): Likewise.
446 * config/i386/i386.c (x86_3dnow_a): New variable.
447 (override_options): Support 3Dnow extensions.
448 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
449 Athlon's version of 3Dnow.
450 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
451 (ix86_expand_builtin): Handle them.
452 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
453 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
454 TARGET_3DNOW_A): New macros.
455 (TARGET_SWITCHES): Add 3Dnow switches.
456 (VALID_MMX_REG_MODE_3DNOW): New macro.
457 (VECTOR_MODE_SUPPORTED_P): Use it.
458 (enum ix86_builtins): Add entries for 3Dnow builtins.
459 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
460 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
461 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
462 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
463 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
464 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
465 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
466 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
467 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
468 sfence_insn, prefetch): Make these available if TARGET_SSE or
471 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
473 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
474 ix86_va_start, ix86_build_va_list): Declare.
475 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
476 ix86_va_start, ix86_build_va_list): New global functions.
477 * i386.md (sse_prologue_save_insn): New insn.
478 (sse_prologue_save): New expander.
479 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
480 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
482 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
484 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
485 Use size_t everywhere, make definitions consistent with
488 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
490 * gcse.c (replace_store_insn): Use delete_insn.
491 * loop.c (move_movables): Likewise; avoid delete_insn
492 from clobbering notes moved elsewhere.
493 (check_dbra_loop): Use delete_insn.
494 * ssa.c (convert_from_ssa): Likewise.
495 * cse.c (cse_insn): Use delete_insn.
497 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
499 * cpphash.h (struct cpp_buff): Make unsigned.
500 (_cpp_get_buff): Take length of size_t.
501 (_cpp_unaligned_alloc): New.
502 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
503 (struct cpp_reader): Remove ident_pool. Add u_buff.
504 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
505 (cpp_destroy): Destroy u_buff, not ident_pool.
506 * cpplex.c (parse_number, parse_string, save_comment,
507 cpp_token_as_text): Update to use the unaligned buffer.
508 (new_buff): Make unsigned.
509 (_cpp_unaligned_alloc): New.
510 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
511 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
513 (collect_args): Make unsigned.
515 2001-09-27 Zack Weinberg <zack@codesourcery.com>
517 * cpplex.c (cpp_output_token): Use a putc loop for
518 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
520 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
521 * configure, config.in: Regenerate.
522 * system.h: Replace fwrite and fprintf with their unlocked
523 variants if available.
525 2001-09-27 Richard Henderson <rth@redhat.com>
527 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
528 in favour of .eh_frame.
530 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
532 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
534 (LIBCALL_VALUE): Likewise.
536 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
538 * cpphash.h: Update comment.
539 * cpplex.c: Update comments.
540 (_cpp_can_paste): Remove.
541 * cpplib.h (_cpp_can_paste): Remove.
542 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
543 lexer rather than _cpp_can_paste.
545 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
547 * doc/cppinternals.texi: Update.
549 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
551 * cpphash.h (struct cpp_pool): Remove locks and locked.
552 (struct cpp_context): Add member buff.
553 (struct cpp_reader): Remove member argument_pool.
554 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
555 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
556 * cpplex.c (chunk_suitable): Remove pool argument.
557 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
558 (new_buff, _cpp_extend_buff): Update.
559 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
560 which buffer is returned.
561 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
562 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
563 * cppmacro.c (lock_pools, unlock_pools): Remove.
564 (push_ptoken_context): Take a _cpp_buff.
565 (enter_macro_context): Pool locking removed.
566 (replace_args): Use a _cpp_buff for the replacement list with
568 (push_token_context): Clear buff.
569 (expand_arg): Use _cpp_pop_context.
570 (_cpp_pop_context): Free a context's buffer, if any.
572 2001-09-26 DJ Delorie <dj@redhat.com>
574 * c-typeck.c (digest_init): Check for sizeless arrays.
576 2001-09-26 Richard Henderson <rth@redhat.com>
578 * optabs.c (init_one_libfunc): Create a dummy function type
579 instead of using error_mark_node.
581 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
583 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
584 _cpp_extend_buff, _cpp_free_buff): New.
585 (struct cpp_reader): New member free_buffs.
586 * cppinit.c (cpp_destroy): Free buffers.
587 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
588 _cpp_extend_buff, _cpp_free_buff): New.
589 * cpplib.h (struct cpp_options): Remove unused member.
590 * cppmacro.c (collect_args): New. Combines the old parse_arg
591 and parse_args. Use _cpp_buff for memory allocation.
592 (funlike_invocation_p, replace_args): Update.
594 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
596 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
598 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
600 * except.c (sjlj_mark_call_sites): Change address inside sequence.
602 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
604 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
607 2001-09-25 Janis Johnson <janis187@us.ibm.com>
608 Jim Wilson <wilson@redhat.com>
610 * doc/install.texi (Specific, ia64-*-linux): Document.
612 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
614 * Makefile.in (cfgrtl.o): Add.
615 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
616 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
617 free_aux_for_edge): Declare.
619 (HAVE_return): Undefine.
620 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
621 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
622 free_aux_for_edge): New global functions.
623 (first_delete_block): New static variable.
624 (init_flow): Clear first_delete_block.
625 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
626 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
627 try_redirect_by_replacing_jump, last_loop_beg_note,
628 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
629 delete_insn, delete_insn_chain, create_basic_block_structure,
630 create_basic_block, flow_delete_block, compute_bb_for_insn,
631 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
632 set_block_for_new_insns, split_block, merge_blocks_nomove,
633 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
634 redirect_edge_and_branch, force_nonfallthru_and_redirect,
635 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
636 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
637 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
638 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
639 purge_all_dead_edges): Move to ....
640 * cfgrtl.c: New file; .... Here.
642 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
643 (reroder_basic_block): Use alloc_aux_for_blocks.
644 * predict.c (estimate_bb_frequencies): Likewise; use
646 * profile.c (compute_branch_probabilities): Likewise.
647 (branch_prob): Likewise.
648 * reg-stack.c (reg_to_stack): Likewise.
650 * emit-rtl.c (emit_insns_after): Never return NULL.
652 * basic-block.h (set_block_for_new_insns): Delete.
653 * cfgrtl.c (set_block_for_new_insns): Delete.
655 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
656 calls when crossjumping.
658 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
659 * unroll.c (copy_loop_body): Use delete_insn.
661 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
662 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
663 keep_stack_depressed): Likewise.
664 * gcse.c (cprop_cc0_jump): Likewise.
665 * local-alloc.c (update_equiv_regs): Likewise.
666 * loop.c (scan_loop, loop_delete_insns): Likewise.
667 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
668 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
669 delete_output_reload, delete_address_reloads_1,
670 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
672 * sibcall.c (replace_call_placeholder): Likewise.
673 * cse.c (cse_insn): Likewise.
675 2001-09-25 Bernd Schmidt <bernds@redhat.com>
677 From Graham Stott <grahams@redhat.com>
678 (def_builtin): Only define builtins appropriate for target_flags. All
680 (builtin_decsription): Add new field mask which is used to determine
681 when to define the builtin via the macro def_builtin.
683 (bdesc_comi): Initialise new mask fields.
684 (bdesc_2srg): Likewise.
685 (bdesc_1arg): Likewise.
687 * config/i386/i386.c (ix86_init_builtins): Correct return type
688 building v4hi_ftype_v4hi_int_int tree node.
689 (ix86_expand_sse_comi): Fix typo swapping operands.
690 Don't swap comparision condition, it is already swapped.
691 (ix86_expand_sse_compare): Before swapping operands
692 move operand 1 into new rtx and not the target rtx.
693 Don't swap comparison condition, it is already swapped.
694 Always check whether we need to create a new TARGET.
696 * config/i386/i386.md: (sse_comi) Fix typos.
697 (sse_ucomi): Likewise.
698 (cvtss2si): Fix operand 0 contraint.
699 (cvttss2si): Likewise.
700 (sse_unpckhps): Fix mode for operand 2.
701 (sse_unpcklps): Likewise.
703 2001-09-25 Graham Stott <grahams@redhat.com>
705 * sibcall.c (skip_copy_to_return_value): Tighten return value
708 2001-09-24 David Edelsohn <edelsohn@gnu.org>
710 * rs6000.c (lwa_operand): Address must be word aligned.
712 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
716 (type_hash_mark): Mark type itself.
718 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
720 * c-lex.c (cb_def_pragma): Update.
721 (c_lex): Update, and skip padding.
722 * cppexp.c (lex, parse_defined): Update, remove unused variable.
723 * cpphash.h (struct toklist): Delete.
725 (struct cpp_context): Update.
726 (struct cpp_reader): New members eof, avoid_paste.
727 (_cpp_temp_token): New.
728 * cppinit.c (cpp_create_reader): Update.
729 * cpplex.c (_cpp_temp_token): New.
730 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
731 (cpp_output_token): Don't print leading whitespace.
732 (cpp_output_line): Update.
733 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
734 do_include_common, do_line, do_ident, do_pragma,
735 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
736 parse_assertion): Update.
737 (get_token_no_padding): New.
738 * cpplib.h (CPP_PADDING): New.
739 (AVOID_LPASTE): Delete.
740 (struct cpp_token): New union member source.
741 (cpp_get_token): Update.
742 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
743 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
744 replace_args, quote_string, stringify_arg, parse_arg, next_context,
745 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
746 _cpp_backup_tokens, _cpp_create_definition): Update.
747 (push_arg_context): Delete.
748 (padding_token, push_token_context, push_ptoken_context): New.
749 (make_string_token, make_number_token): Update, rename.
750 (cpp_get_token): Update to handle tokens as pointers to const,
751 and insert padding appropriately.
752 * cppmain.c (struct printer): New member prev.
753 (check_multiline_token): Constify.
754 (do_preprocessing, cb_line_change): Update.
755 (scan_translation_unit): Update to handle spacing.
756 * scan-decls.c (get_a_token): New.
757 (skip_to_closing_brace, scan_decls): Update.
758 * fix-header.c (read_scan_file): Update.
760 * doc/cpp.texi: Update.
762 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
764 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
765 leak by passing malloc'ed pointer to reconcat, not concat.
767 2001-09-24 DJ Delorie <dj@redhat.com>
769 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
771 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
773 * flow.c (delete_dead_jumptables): Delete jumptable if the only
774 reference is from the literal pool.
776 2001-09-24 Janis Johnson <janis187@us.ibm.com>
778 * doc/install.texi (Final install): Request additional information
779 in mail about successful builds.
781 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
783 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
784 initial value of return pointer register instead of value in frame-20.
787 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
789 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
790 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
791 the libcall if there isn't a referenced identifier for the symbol.
793 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
795 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
796 non 64-bit machines. Use these as a plabel for the trampoline.
797 (TRAMPOLINE_SIZE): Adjust size for new words.
798 (INITIALIZE_TRAMPOLINE): Initialize new words.
799 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
800 pointer to the plabel in the trampoline.
802 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
804 * pa.c (function_arg): Pass floating arguments in both general and
805 floating registers in indirect (dynamic) calls when generating code
806 for the 32 bit ABI and the HP assembler.
808 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
810 * doc/install.texi: Markup fixes.
811 Use Solaris 2, SunOS 4 as appropriate.
812 (Specific, *-*-solaris2*): Explain this.
813 Unconditionally warn against /usr/ucb tools.
814 Remove Sun as warning, obsolete.
815 Move X11 header bug workaround here, update patches.
816 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
817 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
819 2001-09-23 Zack Weinberg <zack@codesourcery.com>
821 * errors.h (warning, error, fatal, internal_error): Don't mark
822 with ATTRIBUTE_PRINTF_n.
823 * toplev.h (internal_error, fatal_io_error, warning, error,
824 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
825 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
828 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
830 * function.c (pop_function_context_from): var_refs_queue
831 and temp slots now in GC memory.
832 (mark_function_status, free_after_compilation): Likewise;
833 also struct function now in GC memory.
834 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
835 (combine_temp_slots): Likewise.
836 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
837 (prepare_function_start): Use GC memory for struct function.
838 (mark_temp_slot): Deleted.
839 (gcc_mark_struct_function): struct function now in GC memory.
841 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
842 code for division, not modulus.
844 * rtl.def (MEM): Remove obsolete part of comment.
846 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
848 * c-format.c (init_function_format_info): Check __builtin_printf
849 and __builtin_fprintf even if -ffreestanding. Check C99 functions
852 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
854 * c-common.c (format_attribute_table): Remove decl.
855 * tree.h (format_attribute_table, lang_attribute_table): New decls.
856 (lang_attribute_common): Likewise.
858 * function.c (fix_lexical_address): Use set_mem_alias_set.
859 (expand_function_start): Likewise.
860 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
862 * varasm.c (output_constant): Fix unused variable warning.
864 * attribs.c: New file, from c-common.c.
865 (attribute_tables): Now four elements.
866 (format_attribute_table, lang_attribute_common): New variables.
867 (init_attributes): Reflect above changes.
868 (handle_mode_attribute): Delete check for wider than uintmax.
869 * c-common.c: Delete parts moved to attribs.c.
870 (enum attrs): Deleted; unused.
871 (c_format_attribute_table): New variable.
872 (c_common_lang_init): Initialize format_attribute_table with it.
873 * c-common.h (decl_attributes): Remove decl.
874 * tree.h (decl_attribute): Move it to here.
875 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
876 (attribs.o): New rule.
878 2001-09-22 Andreas Jaeger <aj@suse.de>
880 * builtins.c (c_getstr): Remove unused variable.
882 2001-09-21 Richard Henderson <rth@redhat.com>
884 * reload1.c (reload): Use delete_insn instead of splatting
887 2001-09-21 Richard Henderson <rth@redhat.com>
889 * reload.c (push_secondary_reload): Don't check for "=" in output
890 constraint after ""->ALL_REGS check.
892 2001-09-21 Richard Henderson <rth@redhat.com>
894 * predict.c (expected_value_to_br_prob): Use pc_set.
896 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
897 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
899 2001-09-21 Richard Henderson <rth@redhat.com>
901 * rtl.h (LCT_RETURNS_TWICE): New.
902 * calls.c (emit_call_1): Set current_function_calls_setjmp for
904 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
905 to ECF_RETURNS_TWICE.
906 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
909 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
911 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
914 2001-09-21 Richard Henderson <rth@redhat.com>
916 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
919 2001-09-21 Richard Henderson <rth@redhat.com>
921 * tree.def (FDESC_EXPR): New.
922 * expr.c (expand_expr): Handle it.
923 * varasm.c (initializer_constant_valid_p): Likewise.
924 (output_constant): Likewise.
925 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
926 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
927 (ASM_OUTPUT_FDESC): New.
928 * doc/tm.texi: Document the new macros.
930 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
932 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
933 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
934 once merging is complete.
936 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
938 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
940 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
942 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
943 that would be invalid after a merge.
945 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
947 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
948 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
950 (flow_delete_insn): This one.
951 (delete_insn_chain): Rename from ...; do not care labels.
952 (flow_delete_insn_chain): ... this one.
953 (flow_delete_block): Remove the insns one BB has been expunged.
954 (merge_blocks_nomove): Likewise.
955 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
956 updating BB boundaries.
957 (tidy_fallthru_edge): Likewise.
958 (commit_one_edge_insertion): Likewise.
959 * cfgbuild.c (find_basic_block): Likewise.
960 (find_basic_blocks_1): Likewise.
961 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
962 (try_crossjump_to_edge): Likewise.
963 (try_optimize_cfg): Likewise.
964 * cse.c (delete_trivially_dead_insns): Likewise.
965 * df.c (df_insn_delete): Likewise.
966 * doloop.c (doloop_modify): Use delete_related_insns.
967 * emit-rtl.c (try_split): Likewise.
968 (remove_insn): Update BB boundaries.
969 * expect.c (connect_post_landing_pads): Use delete_related_insns.
970 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
971 updating BB boundaries.
972 (propagate_block_delete_insn): Likewise.
973 (propagate_block_delete_libcall): Likewise.
974 * function.c (delete_handlers): Use delete_related_insns.
975 (thread_prologue_and_epilogue_insns): Likewise.
976 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
977 * genpeep.c (gen_peephole): Use delete_related_insns.
978 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
980 (find_cond_trap): Likewise.
981 * integrate.c (save_for_inline): Use delete_related_insns.
982 (copy_insn_list): Likewise.
983 * jump.c (pruge_linie_number_notes): Likewise.
984 (duplicate_loop_exit_test): Likewise.
985 (delete_computation): Likewise.
986 (delete_related_insn): Rename from ...; use delete_insn
987 (delete_insn): ... this one.
988 (redirect_jump): Use delete_related_insns.
989 * loop.c (scan_loop): Likewise.
990 (move_movables): Likewise.
991 (find_and_verify_loops): Likewise.
992 (check_dbra_loop): Likewise.
993 * recog.c (peephole2_optimize): Likewise.
994 * reg-stack.c (delete_insn_for_stacker): Remove.
995 (move_for_stack_reg): Use delete_insn.
996 * regmove.c (combine_stack_adjustments_for_block): Likewise.
997 * reload1.c (delete_address_reloads): Use delete_related_insns.
998 (fixup_abnormal_edges): Use delete_insn.
999 * recog.c (emit_delay_sequence): Use delete_related_insns.
1000 (delete_from-delay_slot): Likewise.
1001 (delete_scheduled_jump): likewise.
1002 (optimize_skip): Likewise.
1003 (try_merge_delay_insns): Likewise.
1004 (full_simple_delay_slots): Likewise.
1005 (fill_slots_from_thread): Likewise.
1006 (relax_delay_slots): Likewise.
1007 (make_return_insns): Likewise.
1008 (dbr_schedule): Likewise.
1009 * rtl.h (delete_insn): Rename to delete_related_insns.
1010 (delete_insn, delete_insn_chain): New prototypes.
1011 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1012 by df_insn_delete already.
1013 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1014 * ssa.c (convert_from_ssa): Use delete_related_insns.
1015 * unroll.c (unroll_loop): Likewise.
1016 (calculate_giv_inc): Likewise.
1017 (copy_loop_body): Likewise.
1019 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1020 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1021 ix86_return_in_memory, ix86_function_value): Declare.
1022 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1023 new static valurables.
1024 (x86_64_reg_class): New enum
1025 (x86_64_reg_class_name): New array.
1026 (classify_argument, examine_argument, construct_container,
1027 merge_classes): New static functions.
1028 (optimization_options): Enable flag_omit_frame_pointer and disable
1029 flag_pcc_struct_return on 64bit.
1030 (ix86_libcall_value, ix86_function_value,
1031 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1032 ix86_return_in_memory, ix86_function_value): New global functions.
1033 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1034 (function_arg_advance): Handle x86_64 passing conventions.
1035 (function_arg): Likewise.
1036 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1037 (RETURN_IN_MEMORY): Move offline.
1038 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1039 (FUNCTION_VALUE_REGNO_P): New macro.
1040 (FUNCTION_ARG_REGNO_P): Move offline.
1041 (struct ix86_args): Add maybe_vaarg.
1042 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1043 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1045 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1047 * s390.md: Changed attributes for scheduling.
1048 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1051 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1053 Table-driven attributes.
1054 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1055 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1056 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1057 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1058 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1059 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1060 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1061 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1062 * tree.h (struct tree_decl): Change machine_attributes to
1064 * doc/c-tree.texi: Document that all attributes are now attached
1066 * c-common.c (add_attribute, attrtab, attrtab_idx,
1067 default_valid_lang_attribute, valid_lang_attribute): Remove.
1068 (attribute_tables, attributes_initialized,
1069 c_common_attribute_table, default_lang_attribute_table): New
1071 (handle_packed_attribute, handle_nocommon_attribute,
1072 handle_common_attribute, handle_noreturn_attribute,
1073 handle_unused_attribute, handle_const_attribute,
1074 handle_transparent_union_attribute, handle_constructor_attribute,
1075 handle_destructor_attribute, handle_mode_attribute,
1076 handle_section_attribute, handle_aligned_attribute,
1077 handle_weak_attribute, handle_alias_attribute,
1078 handle_no_instrument_function_attribute,
1079 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1080 handle_no_limit_stack_attribute, handle_pure_attribute): New
1082 (init_attributes, decl_attributes): Rewrite to implement
1083 table-driven attributes.
1084 * c-common.h (enum attribute_flags): Move to tree.h.
1085 * c-format.c (decl_handle_format_attribute,
1086 decl_handle_format_arg_attribute): Rename to
1087 handle_format_attribute and handle_format_arg_attribute. Update
1088 for table-driven attributes.
1089 * c-common.h (decl_handle_format_attribute,
1090 decl_handle_format_arg_attribute): Remove prototypes.
1091 (handle_format_attribute, handle_format_arg_attribute): Add
1093 * c-decl.c (grokdeclarator): Handle attributes nested inside
1095 * c-parse.in (setattrs, maybe_setattrs): Remove.
1096 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1097 Update to handle nested attributes properly.
1098 (maybe_resetattrs, after_type_declarator,
1099 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1100 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1102 (make_pointer_declarator): Update to handle nested attributes
1104 * doc/extend.texi: Update documentation of limits of attributes
1105 syntax. Warn about problems with attribute semantics in C++.
1106 * target.h (struct target): Remove valid_decl_attribute and
1107 valid_type_attribute. Add attribute_table and
1108 function_attribute_inlinable_p.
1109 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1110 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1111 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1113 (TARGET_INITIALIZER): Update.
1114 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1116 (function_attribute_inlinable_p): New function. Check for the
1117 presence of any machine attributes before using
1118 targetm.function_attribute_inlinable_p.
1119 (function_cannot_inline_p): Update.
1120 * Makefile.in (integrate.o): Update dependencies.
1121 * doc/tm.texi: Update documentation of target attributes and
1122 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1123 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1125 (default_target_attribute_table,
1126 default_function_attribute_inlinable_p): New.
1127 (lookup_attribute): Update comment to clarify handling of multiple
1128 attributes with the same name.
1129 (merge_attributes, attribute_list_contained): Allow multiple
1130 attributes with the same name but different arguments to appear in
1131 the same attribute list.
1132 * tree.h (default_valid_attribute_p): Remove prototype.
1133 (struct attribute_spec): New.
1134 (default_target_attribute_table): Declare.
1135 (enum attribute_flags): Move from c-common.h. Add
1136 ATTR_FLAG_TYPE_IN_PLACE.
1137 (default_function_attribute_inlinable_p): Declare.
1138 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1139 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1140 (TARGET_ATTRIBUTE_TABLE): Define.
1141 (vms_attribute_table): New.
1142 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1143 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1144 (TARGET_ATTRIBUTE_TABLE): Define.
1145 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1146 * config/arm/arm.c (arm_valid_type_attribute_p,
1147 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1149 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1151 (TARGET_ATTRIBUTE_TABLE): Define.
1152 (arm_attribute_table, arm_handle_fndecl_attribute,
1153 arm_handle_isr_attribute): New.
1154 * config/avr/avr.c (avr_valid_type_attribute,
1155 avr_valid_decl_attribute): Remove.
1156 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1158 (TARGET_ATTRIBUTE_TABLE): Define.
1159 (avr_attribute_table, avr_handle_progmem_attribute,
1160 avr_handle_fndecl_attribute): New.
1161 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1162 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1163 (TARGET_ATTRIBUTE_TABLE): Define.
1164 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1165 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1166 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1167 (TARGET_ATTRIBUTE_TABLE): Define.
1168 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1169 h8300_handle_eightbit_data_attribute,
1170 h8300_handle_tiny_data_attribute): New.
1171 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1172 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1174 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1176 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1177 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1179 (TARGET_ATTRIBUTE_TABLE): Define.
1180 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1181 ix86_handle_regparm_attribute): New.
1182 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1183 i386_pe_valid_type_attribute_p): Remove.
1184 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1185 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1186 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1187 (TARGET_ATTRIBUTE_TABLE): Define.
1188 (ia64_attribute_table): New.
1189 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1190 interrupt_ident2, model_ident1, model_ident2): Remove.
1191 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1192 (TARGET_ATTRIBUTE_TABLE): Define.
1193 (init_idents): Update.
1194 (m32r_attribute_table, m32r_handle_model_attribute): New.
1195 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1197 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1198 (TARGET_ATTRIBUTE_TABLE): Define.
1199 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1200 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1201 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1202 (TARGET_ATTRIBUTE_TABLE): Define.
1203 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1204 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1205 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1206 (TARGET_ATTRIBUTE_TABLE): Define.
1207 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1208 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1209 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1210 (TARGET_ATTRIBUTE_TABLE): Define.
1211 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1212 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1213 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1214 (TARGET_ATTRIBUTE_TABLE): Define.
1215 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1216 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1218 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1220 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1221 (TARGET_ATTRIBUTE_TABLE): Define.
1222 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1224 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1225 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1226 (TARGET_ATTRIBUTE_TABLE): Define.
1227 (v850_attribute_table, v850_handle_interrupt_attribute,
1228 v850_handle_data_area_attribute): New.
1229 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1230 Return void. Call decl_attributes instead of
1231 valid_machine_attribute.
1233 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1235 * sh-protos.h (sh_pr_n_sets): Declare.
1236 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1237 look at the copy to determine if PR needs to be saved.
1238 sh_pr_n_sets: New function.
1239 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1240 (ALLOCATE_INITIAL_VALUE): Define.
1242 * sh.c (initial_elimination_offset):
1243 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1245 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1247 * integrate.c (allocate_initial_values): New function.
1248 * integrate.h (allocate_initial_values): Declare.
1249 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1251 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1253 * toplev.c (rest_of_compilation): To here.
1254 Call allocate_initial_values.
1255 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1257 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1259 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1261 2001-09-20 DJ Delorie <dj@redhat.com>
1263 * c-typeck.c (really_start_incremental_init): Discriminate
1264 between zero-length arrays and flexible arrays.
1265 (push_init_level): Detect zero-length arrays and handle them
1266 like fixed-sized arrays.
1267 * expr.c (store_constructor): Handle zero-length arrays and
1268 flexible arrays correctly.
1269 * doc/extend.texi: Update zero-length array notes.
1271 2001-09-20 Jim Wilson <wilson@redhat.com>
1273 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1274 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1275 for issue port conflicts.
1276 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1278 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1280 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1283 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1285 * fold-const.c (hashtab.h): Include.
1286 (int_const_binop): Remove FORSIZE arg and compute from type; all
1288 Call size_int_type_wide for all single-word constants.
1289 (size_htab_hash, size_htab_eq): New functions.
1290 (size_int_type_wide): Rework to use hash table.
1291 * ggc-common.c (hashtab.h): Include.
1292 (struct d_htab_root): New struct.
1293 (d_htab_roots): New variable.
1294 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1295 (ggc_mark_roots): Handle deletable htabs.
1296 * ggc-page.c (ggc_marked_p): New function.
1297 * ggc-simple.c (ggc_marked_p): Likewise.
1298 * ggc.h: Reformatting throughout.
1299 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1300 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1301 (type_hash_add): Allocate struct type_hash from GC memory.
1302 (mark_hash_entry, mark_type_hash): Deleted.
1303 (type_hash_marked_p, type_hash_mark): New functions.
1304 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1306 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1308 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1311 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1313 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1314 array-too-large test for signed sizetype.
1316 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1318 * i386.md (indirect_jump): Allow Pmode operand.
1319 (tablejump): LIkewise; perform expansion to 64bit mode.
1320 * i386.c (symbolic_operand): Allow 64bit PIC references.
1321 (pic_symbolic_operand): Likewise.
1322 (ix86_find_base_term): Strip the 64bit PIC references.
1323 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1324 (legitimize_pic_address): Likewise.
1325 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1326 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1328 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1330 * stringpool.c (get_identifier_with_length): New function.
1331 * tree.h (get_identifier_with_length): New prototype.
1333 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1334 David Edelsohn <edelsohn@gnu.org>
1337 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1338 already sign-extended.
1340 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1341 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1343 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1344 (output_profile_hook): Declare label_name const.
1345 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1346 to match constraints.
1348 2001-09-19 Stan Shebs <shebs@apple.com>
1350 * alias.c: Fix typos in comments.
1351 * sched-rgn.c (init_ready_list): Ditto.
1352 * unwind-dw2.c (uw_frame_state_for): Ditto.
1353 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1354 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1355 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1357 2001-09-19 Richard Henderson <rth@redhat.com>
1359 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1361 * Makefile.in (cfg.o): Depend on TM_P_H.
1363 2001-09-19 Richard Henderson <rth@redhat.com>
1365 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1366 (local_symbolic_operand): ... here.
1367 (small_symbolic_operand): Check mode.
1368 (global_symbolic_operand): New.
1369 (input_operand): Reject symbolics if explicit relocs.
1370 (call_operand): Tidy.
1371 (alpha_legitimize_address): Use movdi_er_high_g.
1372 (alpha_expand_mov): Likewise.
1373 * config/alpha/alpha-protos.h: Update.
1374 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1375 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1376 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1377 (UNSPECV_LDGP2): Remove.
1378 (all call patterns): Use 's' not 'i' for symbolic constraint.
1379 (call_osf call_value_osf): Use call_operand.
1380 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1381 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1382 (prologue_ldgp_1_er): Remove.
1383 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1384 (builtin_setjmp_receiver_er patterns): Use them.
1385 (exception_receiver_er): Likewise.
1387 2001-09-19 Richard Henderson <rth@redhat.com>
1389 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1391 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1392 and NON_LOCAL_GOTO notes.
1393 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1394 copy over CALL_INSN_FUNCTION_USAGE.
1396 2001-09-18 Catherine Moore <clm@redhat.com>
1398 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1401 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1403 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1404 new-style tm_file specification. Specify correct tm_p_file,
1405 md_file, and out_file for s390x.
1407 * config/s390/linux.h, linux64.h: Don't include other target
1408 macro header files. Now handled via tm_file.
1410 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1411 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1412 are defined before use.
1414 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1416 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1417 code generation only for Gnu assembler.
1419 2001-09-18 Catherine Moore <clm@redhat.com>
1421 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1423 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1425 * config/mips/mips.c (mips_frame_set): New.
1426 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1427 a parallel frame-related expression with a set for each register.
1429 2001-09-18 Philip Blundell <philb@gnu.org>
1431 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1434 2001-09-17 Dale Johannesen <dalej@apple.com>
1436 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1437 * config/rs6000/aix.h (FIXED_R2): Define.
1438 * config/rs6000/darwin.h (FIXED_R2): Define.
1439 * config/rs6000/sysv4.h (FIXED_R2): Define.
1441 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1443 * except.c (dw2_build_landing_pads): New local
1444 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1445 barrier after clobbers. Fixes c++/4012.
1447 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1449 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1451 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1453 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1454 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1456 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1458 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1461 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * cpphash.h (_cpp_lex_direct): New.
1464 * cpplex.c (_cpp_lex_token): Update.
1465 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1466 and increment that pointer.
1467 * cppmacro.c (alloc_expansion_token): New.
1468 (lex_expansion_token): Lex macro expansion directly into
1471 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1473 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1475 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1477 * basic-block.h (free_bb_for_insn): Declare.
1478 * bb-reorder.c (label_for_bb): Use block_label.
1479 (emit_jump_to_block_after): Remove.
1480 (insert_intra_1): Do not update block_for_insn.
1481 (insert_inter_bb_scope_notes): Likewise; update bb->end
1482 * cfg.c (free_bb_for_insn): New.
1483 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1484 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1485 (commit_one_edge_insertion): Likewise.
1486 (commit_one_edge_insertion): Do not update BB boundary.
1487 (commit_edge_insertions): Do not call compute_bb_for_insn.
1488 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1489 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1490 (merge_blocks_move_successor_nojumps): Likewise.
1491 (try_crossjump_to_edge): Do not update block_for_insn.
1492 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1493 * df.c (df_pattern_emit_later): Do not update BB boundary.
1494 (df_jump_pattern_emit_after): Likewise.
1495 (df_insn_move_before): Use emit_insn_before.
1496 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1498 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1499 boundaries and basic_block_for_insn.
1500 (reorder_insns_nobb): Rename from reorder_insns.
1501 (reorder_insns): New.
1502 (emit_block_insn_before, emit_block_insn_after): Kill.
1503 * flow.c (check_function_return_warnings): Do not call
1504 compute_bb_for_insn; Do not free basic_block_for_insn.
1505 (attempt_auto_inc): Do not update basic_block_for_insn.
1506 * function.c (emit_return_into_block): Likewise;
1507 do not update BB boundaries.
1508 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1509 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1510 (pre_insert_copy_insn): Likewise.
1511 (update_ld_motion_notes): Likewise.
1512 (insert_insn_start_bb): Likewise.
1513 (replace_store_insn): Likewise.
1514 * ifcvt.c (noce_process_if_block): Likewise.
1515 (if_convert): Do not call compute_bb_for_insn.
1516 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1517 Use emit_insn_before and emit_insn_after.
1518 * recog.c (split_all_insns): Do not update BB boundaries;
1519 Do not call compute_bb_for_insn.
1520 (peephole2_optimize): Do not update BB boundaries.
1521 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1523 (emit_swap_insn): Likewise.
1524 (convert_regs_1): Likewise.
1525 * reload1.c (reload): Call compute_bb_for_insn.
1526 * rtl.h (reorder_insns_nobb): Declare.
1527 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1528 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1529 at places CFG is invalidated; do not call compute_bb_for_insn.
1531 * cfg.c (expunge_block): Invalidate BB structure.
1533 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1536 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1538 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1540 * cpphash.h (_cpp_lex_token): Update prototype.
1541 * cpplex.c (_cpp_lex_token): New prototype.
1542 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1543 lex_macro_node, read_flag, do_pragma_poison): Update.
1544 * cppmacro.c (cpp_get_token, parse_params,
1545 lex_expansion_token): Update.
1547 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1549 * cppmain.c (scan_translation_unit): Don't worry about
1550 putting a space after hashes.
1551 * cpplib.c (directive_diagnostics): New.
1552 (_cpp_handle_directive): Update to use directive_diagnostics.
1553 (run_directive): Don't toggle prevent_expansion.
1554 (do_line): Backup in case of the line extension.
1555 * cpplib.h (cpp_lexer_pos): Remove.
1556 * cppmacro.c (_cpp_create_definition): Precede a leading #
1559 2001-09-15 Richard Henderson <rth@redhat.com>
1561 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1563 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1565 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1567 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1569 PR preprocessor/3571
1570 * tradcpp.c (handle_directive): Skip non-vertical space.
1572 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1574 * cppmain.c (setup_callbacks): Set line callback only
1575 if outputting preprocessed source.
1577 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * collect2.c (main): Const-ification.
1580 * gcc.c (translate_options, process_command): Use xstrdup in
1581 lieu of xmalloc/strcpy.
1582 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1584 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1586 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1589 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1591 * scan-decls.c (scan_decls): Fix typo.
1593 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1595 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1596 Split mlstring_pos into mls_line and mls_col.
1597 * cppinit.c (cpp_create_reader): Initialize line to 1.
1598 (cpp_destroy): Free tokenruns.
1599 (push_include): Don't update lexer_pos.
1600 * cpplex.c (unterminated, parse_string): Update.
1601 (lex_token): Don't update lexer_pos, update.
1602 * cpplib.c (if_stack): Save line instead of line + col.
1603 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1604 push_conditional, _cpp_pop_buffer): Update.
1605 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1606 (_cpp_create_definition): Update.
1608 2001-09-15 Eric Christopher <echristo@redhat.com>
1610 * config/mips/abi64.h: Add support for MEABI.
1612 2001-09-15 Eric Christopher <echristo@redhat.com>
1614 * config/mips/mips.md: Add unspec #2.
1616 (reload_outdi): Ditto.
1617 (reload_outsi): Ditto.
1620 2001-09-15 Eric Christopher <echristo@redhat.com>
1621 Jason Eckhardt <jle@redhat.com>
1623 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1624 * config/mips/isa32-linux.h: New file.
1625 * config/mips/isa3264.h: Ditto.
1626 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1627 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1628 (output_block_mode): Support MEABI.
1629 (function_arg): Ditto. Fix floating point arg passing.
1630 (mips_va_start): Ditto.
1631 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1633 (mips_asm_file_start): Add new section to pass abi to gdb.
1634 (function_arg_pass_by_reference): Support MEABI.
1635 (mips_parse_cpu): Support mips32 and mips64 processors.
1636 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1637 TARGET_MIPS5KC. Support isa32 and isa64.
1638 (processor_type): Add r4kc, r5kc, r20kc.
1639 (GENERATE_MULT3_SI): New.
1640 (GENERATE_MULT3_DI): Ditto.
1641 (GENERATE_MULT3): Remove.
1642 (ISA_HAS_64BIT_REGS): Add isa == 64.
1643 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1644 (ISA_HAS_MADD_MSUB): New.
1645 (ISA_HAS_CLZ_CLO): Ditto.
1646 (ISA_HAS_DCLZ_DCLO): Ditto.
1647 (ABI_GAS_ASM_SPEC): New.
1648 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1651 (SUBTARGET_CC1_SPEC): Ditto.
1652 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1653 (PAD_VARARGS_DOWN): Support MEABI.
1654 (HARD_REGNO_NREGS): Move to mips.c.
1655 (ASM_OUTPUT_IDENT): Add #undef.
1656 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1657 (mulsi3): Use GENERATE_MULT3_SI.
1658 (mulsi3_mult3): Ditto. Support mips32, mips64.
1659 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1660 (mul_sub_si): New pattern.
1661 (unnamed splitters): New.
1662 (muldi3): Use GENERATE_MULT3_DI.
1663 (muldi3_internal2): Ditto.
1664 (movdicc): Support mips32.
1665 * config/mips/t-isa3264: New file.
1667 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1669 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1670 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1671 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1673 * reorg.c (fill_slots_from_thread): After call to
1674 steal_delay_list_from_target, update own_thread as new_thread may
1677 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1679 * cpperror.c (print_location): Take line and column, for
1680 default positioning use the previously lexed token.
1681 (_cpp_begin_message): Take line and column.
1682 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1683 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1684 * cpphash.h (_cpp_begin_message): Update prototype.
1685 * cppinit.c (push_include): Don't set output line.
1686 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1687 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1688 (do_pragma): Kludge for front ends. Don't expand macros at all.
1689 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1690 (struct cpp_token): Remove output_line.
1691 (struct cpp_callbacks): New member line_change.
1692 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1693 cpp_get_token): Preserve BOL flag.
1694 (cpp_get_line): Remove.
1695 (_cpp_backup_tokens): Remove useless abort().
1696 * cppmain.c (cb_line_change): New.
1697 (scan_translation_unit): Don't worry about starting new lines here.
1698 * scan-decls.c (scan_decls): Update.
1699 * c-lex.c (c_lex, init_c_lex): Update.
1700 (cb_line_change, src_lineno): New.
1702 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1704 * tree.c (append_random_chars): Generate the random
1705 characters in a reproducable fashion.
1707 2001-09-14 Richard Henderson <rth@redhat.com>
1709 * config/i386/i386.c (internal_label_prefix): New.
1710 (internal_label_prefix_len): New.
1711 (override_options): Set them.
1712 (local_symbolic_operand): New.
1713 (legitimate_pic_address_disp_p): Use it.
1714 (legitimize_pic_address): Likewise.
1716 2001-09-14 Marc Espie <espie@openbsd.org>
1718 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1721 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1723 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1724 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1726 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1728 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1729 invocation of SUBREG_REGNO_OFFSET.
1731 * haifa-sched.c: Fix typo in FSF copyright statement.
1732 * sched-deps.c: Fix typo in FSF copyright statement.
1733 * sched-ebb.c: Fix typo in FSF copyright statement.
1734 * sched-rgn.c: Fix typo in FSF copyright statement.
1735 * sched-vis.c: Fix typo in FSF copyright statement.
1737 * config.gcc: Move inclusion of arm elf specific header files
1738 from the files themselves into the tm_file variable. Make
1739 sure that elfos.h is included before target specific elf
1741 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1743 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1744 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1745 ASM_OUTPUT_CASE_LABEL): Protect definition.
1746 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1747 not already defined.
1748 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1749 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1750 Remove duplicate definition.
1751 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1752 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1753 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1754 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1755 Remove inclusion of arm/elf.h.
1756 * config/arm/unknown-elf.h: as for conix-elf.h.
1757 (STARTFILE_SPEC): Include crti.o and crtn.o.
1758 * config/arm/linux-elf.h: as for conix-elf.h.
1759 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1760 * config/arm/strongarm-elf.h: Remove inclusion of
1762 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1763 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1764 unknown-elf.h and elf.h.
1765 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1766 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1767 ASM_WEAKEN_LABEL): Remove redundant definition.
1768 * config/arm/elf.h: Test for inclusion of elfos.h
1769 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1770 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1771 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1772 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1773 redundant definition.
1774 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1775 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1776 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1777 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1778 Add rules to build crti.o and crtn.o
1779 * crti.asm: New file.
1780 * crtn.asm: New file.
1782 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1784 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1785 * cpphash.h (struct tokenrun): Add prev.
1786 (struct lexer_state): Remove bol.
1787 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1788 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1790 * cppinit.c (cpp_create_reader): Don't set bol.
1791 (cpp_destroy): Don't free lookaheads.
1792 * cpplex.c (lex_directive): Remove.
1793 (next_tokenrun): Update.
1794 (_cpp_lex_token): Clean up logic.
1795 (lex_token): Update to return a pointer to lexed token, since it
1796 can move to the start of the buffer. Simpify newline handling.
1797 * cpplib.c (SEEN_EOL): Update.
1798 (skip_rest_of_line): Remove lookahead stuff.
1799 (end_directive): Line numbers are already incremented. Revert
1800 to start of lexed token buffer if we can.
1801 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1802 parse_answer): Use _cpp_backup_tokens.
1803 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1804 instead. Don't check for EOL.
1805 (do_include_common, do_line, do_pragma_system_header): Use
1807 * cpplib.h (BOL, _cpp_backup_tokens): New.
1808 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1809 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1810 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1811 (builtin_macro): Don't use cpp_get_line.
1812 (cpp_get_line): Short term kludge.
1813 (parse_arg): Handle directives in arguments here. Back up when
1814 appropriate. Store EOF at end of argument list.
1815 (funlike_invocation_p): Use _cpp_backup_tokens.
1816 (push_arg_context): Account for EOF at end of list.
1817 (cpp_get_token): Remove lookahead stuff. Update.
1819 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1821 * c-parse.in (yyerror): Const-ification and/or static-ization.
1822 * c-typeck.c (push_member_name): Likewise.
1823 * collect2.c (main): Likewise.
1824 * dbxout.c (dbxout_parms): Likewise.
1825 * diagnostic.c (format_with_decl): Likewise.
1826 * dwarf2out.c (output_ranges): Likewise.
1827 * dwarfout.c (fundamental_type_code): Likewise.
1828 * except.c (dw2_output_call_site_table): Likewise.
1829 * gcc.c (do_spec_1): Likewise.
1830 * genopinit.c (optabs): Likewise.
1831 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1832 gen_declaration_1, handle_impent): Likewise.
1833 * protoize.c (default_include, in_system_include_dir, abspath):
1835 * sched-vis.c (visualize_stall_cycles): Likewise.
1836 * sdbout.c (plain_type_1, sdbout_end_function,
1837 sdbout_end_epilogue): Likewise.
1838 * varasm.c (decode_reg_name): Likewise.
1840 * 1750a.c (mod_regno_adjust): Likewise.
1841 * alpha.c (alpha_write_one_linkage,
1842 unicosmk_output_default_externs): Likewise.
1843 * arm.c (arm_condition_codes): Likewise.
1844 * arm.h (arm_condition_codes): Likewise.
1845 * avr.c (output_movsisf, encode_section_info): Likewise.
1846 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1848 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1849 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1850 * m88k.c (output_function_profiler): Likewise.
1851 * mips.c (mips_output_conditional_branch): Likewise.
1852 * ns32k.c (ns32k_out_reg_names): Likewise.
1853 * ns32k.h (ns32k_out_reg_names): Likewise.
1854 * pj.c (pj_output_rval): Likewise.
1855 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1856 * sparc.c (sparc_flat_function_prologue,
1857 sparc_flat_function_epilogue): Likewise.
1859 2001-09-13 Markus Werle <numerical.simulation@web.de>
1860 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1862 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1863 Aachen University of Technology".
1865 2001-09-13 Andreas Schwab <schwab@suse.de>
1867 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1870 2001-09-13 Richard Henderson <rth@redhat.com>
1872 * config/alpha/alpha.c (small_symbolic_operand): New.
1873 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1874 (some_operand, input_operand): Don't handle HIGH.
1875 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1876 (alpha_expand_mov): Likewise.
1877 (print_operand) [H]: Just print HIGH symbol.
1878 (print_operand_address): Handle small data.
1879 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1880 (TARGET_SWITCHES): Add -msmall-data/large-data.
1881 (PIC_OFFSET_TABLE_REGNUM): New.
1882 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1883 (PREDICATE_COES): Update.
1884 * config/alpha/alpha.md (adddi_er_high): New.
1885 (adddi_er_low): Handle small data.
1886 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1887 prefer .sdata to .rodata.
1888 (SELECT_RTX_SECTION): Likewise.
1890 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1892 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1893 defining __size_t and leaving size_t undefined.
1895 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1897 * basic-block.h (expunge_block): Declare.
1898 * cfg.c (expunge_block): Remove static declaration.
1900 2001-09-12 Richard Henderson <rth@redhat.com>
1902 * integrate.c (copy_insn_list): Copy label name from
1903 NOTE_INSN_DELETED_LABEL.
1905 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1907 * c-common.c (c_tree_code_name): Const-ification.
1908 * c-decl.c (c_decode_option): Likewise.
1909 * c-typeck.c (warn_for_assignment): Likewise.
1910 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1912 * cppinit.c (output_deps): Likewise.
1913 * dependence.c (dependence_string, direction_string): Likewise.
1914 * dwarf2out.c (output_ranges): Likewise.
1915 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1916 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1917 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1918 standard_startfile_prefix, standard_startfile_prefix_1,
1919 standard_startfile_prefix_2, tooldir_base_prefix,
1920 standard_bindir_prefix, find_a_file): Likewise.
1921 * genattrtab.c (make_length_attrs): Likewise.
1922 * gencheck.c (tree_codes): Likewise.
1923 * genemit.c (gen_split): Likewise.
1924 * genrecog.c (special_mode_pred_table): Likewise.
1925 * graph.c (graph_ext): Likewise.
1926 * protoize (default_include): Likewise.
1927 * reload.c (reload_when_needed_name): Likewise.
1928 * sched-vis.c (visualize_stall_cycles): Likewise.
1929 * tlink.c (recompile_files): Likewise.
1930 * toplev.c (decode_g_option): Likewise.
1931 * tradcpp.c (output_deps): Likewise.
1932 * varasm.c (decode_reg_name): Likewise.
1934 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1937 * avr.c (avr_regnames, encode_section_info): Likewise.
1938 * c4x.c (float_reg_names): Likewise.
1939 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1940 * elfos.h (const_section): Likewise.
1941 * i386.c (ix86_comp_type_attributes): Likewise.
1942 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1943 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1944 * ia64.c (type_names): Likewise.
1945 * m68hc11.c (reg_class_names): Likewise.
1946 * m88k.c (m_options): Likewise.
1947 * mips.c (mips_output_conditional_branch, mips_unique_section):
1949 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1950 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1951 ultra_code_names): Likewise.
1952 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1954 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1956 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1957 Use --fatal-warnings option for gas.
1958 * configure: Rebuilt.
1960 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1962 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1964 2001-09-11 Jim Wilson <wilson@redhat.com>
1966 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1968 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1970 * builtins.c (c_strlen): Treat an offset too large for a
1971 HOST_WIDE_INT as out of range.
1973 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1975 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1976 (EDGE_CRITICAL_P): New predicate.
1977 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1979 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1980 (dump_edge_info): Remove "crit".
1981 * cfganal.c (mark_critical_edges): Kill.
1982 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1983 * cfgcleanup.c (cleanup_cfg): Likewise.
1984 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1985 (find_spanning_tree): Likewise.
1986 * reg-stack.c (convert_regs_1): Likewise.
1987 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1989 * basic-block.h (create_basic_block_structure): New.
1990 (create_basic_block): Update prototype.
1991 (force_nonfallthru): New.
1992 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1993 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1994 handle updating of block_for_insn, creating of empty BBs and BBs at
1995 the end of INSN chain.
1996 (create_basic_block): New function.
1997 (split_block): Use create_basic_block.
1998 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1999 (redirect_edge_and_branch_force): ... here.
2000 (force_nonfallthru): New.
2001 (split_edge): Rewrite to use force_nonfallthru and create_block.
2002 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2003 (find_basic_blocks): Free basic_block_for_insn.
2004 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2006 * cfg.c: Fix formating.
2007 * cfgcleanup.c: Fix formating.
2008 (merge_blocks, tail_recursion_label_p): Return bool.
2009 (merge_blocks_move_predecessor_nojumps,
2010 merge_blocks_move_successor_nojumps): Return void.
2012 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2014 * configure.in: Check whether assembler supports section merging.
2015 * config.in: Rebuilt.
2016 * configure: Rebuilt.
2017 * varasm.c (variable_section, output_constant_pool): Pass alignment
2018 to SELECT_SECTION and SELECT_RTX_SECTION.
2019 (mergeable_string_section): New.
2020 (mergeable_constant_section): New.
2021 (default_elf_asm_named_section): Output SECTION_MERGE and
2022 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2023 * output.h (mergeable_string_section): New.
2024 (mergeable_constant_section): New.
2025 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2026 * toplev.c (flag_merge_constants): New.
2027 (f_options): Add -fmerge-constants and -fmerge-all-constants
2029 (toplev_main): Default to -fno-merge-constants if not optimizing.
2030 * flags.h (flag_merge_constants): Add extern.
2031 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2032 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2034 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2035 Define if assembler has working .subsection -1 support.
2036 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2037 Put constant into special SHF_MERGE sections if the linker should
2038 attempt to merge duplicates.
2039 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2041 Put constant into special SHF_MERGE sections if the linker should
2042 attempt to merge duplicates.
2043 * config/alpha/elf.h: Likewise.
2044 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2045 has working .subsection -1 support.
2046 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2048 * config/svr3.h: Likewise.
2049 * config/darwin.h: Likewise.
2050 * config/arm/aof.h: Likewise.
2051 * config/arm/linux-elf.h: Likewise.
2052 * config/avr/avr.h: Likewise.
2053 * config/c4x/c4x.h: Likewise.
2054 * config/d30v/d30v.h: Likewise.
2055 * config/i386/dgux.h: Likewise.
2056 * config/i386/osfrose.h: Likewise.
2057 * config/i386/sco5.h: Likewise.
2058 * config/i386/svr3gas.h: Likewise.
2059 * config/ia64/aix.h: Likewise.
2060 * config/m32r/m32r.h: Likewise.
2061 * config/m68k/m68k.h: Likewise.
2062 * config/m88k/dgux.h: Likewise.
2063 * config/m88k/m88k.h: Likewise.
2064 * config/mcore/mcore-pe.h: Likewise.
2065 * config/mips/mips.h: Likewise.
2066 * config/pa/pa.h: Likewise.
2067 * config/pa/pa-linux.h: Likewise.
2068 * config/romp/romp.h: Likewise.
2069 * config/rs6000/sysv4.h: Likewise.
2070 * config/rs6000/xcoff.h: Likewise.
2071 * config/s390/linux.h: Likewise.
2072 * config/sparc/sparc.h: Likewise.
2073 * config/sparc/sysv4.h: Likewise.
2074 * config/stormy16/stormy16.h: Likewise.
2075 * config/v850/v850.h: Likewise.
2076 * config/vax/vms.h: Likewise.
2077 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2078 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2079 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2080 default_elf_asm_named_section for SHF_MERGE sections.
2082 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2084 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2087 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2089 * c-common.c (split_specs_attrs): Allow for empty attributes with
2090 empty TREE_PURPOSE. Fixes PR c/4294.
2092 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2094 * basic-block.h (cached_make_edge, make_single_succ): New.
2095 (make_edge): Remove first parameter.
2096 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2097 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2098 created edge; use obstack allocation.
2099 (make_edge, make_single_succ_edge): New.
2100 (first_removed_edge): New static variable.
2101 (init_flow): Initialize first_removed_edge and n_edges.
2102 (clear_edges): Use remove_edge.
2103 (flow_delete_block): Likewise.
2104 (remove_edge): Add removed edges to the removed edges list.
2105 (split_block, redirect_edge_and_branch_force, split_edge):
2107 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2108 (add_noreturn_fake_exit_edges): Likewise.
2109 (connect_infinite_loops_to_exit): Liekwise.
2110 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2111 Use cached_make_edge.
2112 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2113 * profile.c (branch_prob): Update make_edge call.
2114 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2116 2001-09-11 Richard Henderson <rth@redhat.com>
2118 * config/alpha/alpha.c: Tidy formatting.
2119 (local_symbolic_operand): Verify mode.
2120 (alpha_sa_mask): Ignore unicos for eh_return.
2121 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2122 * config/alpha/alpha.md (umk divsi patterns): Remove.
2123 (extendsfdf2): Remove unicos check.
2124 (tablejump): Merge vms and unicos code; always use direct set
2127 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2129 * config.gcc (alpha*-*-unicosmk*): New target.
2131 * config/alpha/alpha-protos.h (symbolic_operand,
2132 unicosmk_add_call_info_word, unicosmk_add_extern,
2133 unicosmk_defer_case_vector, unicosmk_unique_section,
2134 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2135 unicosmk_asm_file_start, unicosmk_asm_file_end,
2136 unicosmk_output_common): Declare.
2138 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2139 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2140 alpha_does_function_need_gp, alpha_end_function): Support Cray
2142 (alpha_init_machine_status, alpha_mark_machine_status,
2143 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2144 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2145 unicosmk_asm_named_section, unicosmk_insert_attributes,
2146 unicosmk_section_type_flags, symbolic_operand,
2147 unicosmk_output_module_name, unicosmk_output_default_externs,
2148 unicosmk_output_dex, unicosmk_output_externs,
2149 unicosmk_output_addr_vec, unicosmk_ssib_name,
2150 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2151 unicosmk_asm_file_end, unicosmk_output_common,
2152 unicosmk_section_type_flags, unicosmk_unique_section,
2153 unicosmk_add_call_info_word, unicosmk_text_section,
2154 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2155 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2156 unicosmk_dex_count, unicosmk_special_name): New.
2157 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2158 TARGET_ABI_UNICOSMK.
2159 (get_aligned_mem, alpha_expand_unaligned_load,
2160 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2161 alpha_expand_unaligned_store_words): Support big-endian mode.
2162 (print_operand): Likewise. New format specifier 't'. Use
2163 TARGET_AS_SLASH_BEFORE_SUFFIX.
2164 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2165 (alpha_pv_save_size): Update with above change.
2166 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2167 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2170 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2171 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2172 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2173 (EXTRA_CONSTRAINT): New constraint 'U'.
2174 (PREDICATE_CODES): Add symbolic_operand.
2176 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2177 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2178 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2179 (integer division and modulus patterns): Split in default and
2181 (*divmodsi_internal, *divmoddi_internal): Disable for
2182 TARGET_ABI_UNICOSMK.
2183 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2184 little-endian and big-endian versions.
2185 (ext, ins, msk): Likewise.
2186 (extv, extzv, insv): Support big-endian mode.
2187 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2188 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2189 *tablejump_umk_internal, *call_value_umk): New.
2190 (*movdi_nofix): Add pattern for loading an address into a register on
2191 TARGET_ABI_UNICOSMK.
2192 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2193 (umk_mismatch_args, arg_home_umk): New.
2194 (various insns): Don't use mov, fmov, nop, fnop and unop.
2195 (realign): Support TARGET_ABI_UNICOSMK.
2197 * config/alpha/unicosmk.h: New file.
2198 * config/alpha/t-unicosmk: New file.
2200 * fixinc/inclhack.def (unicosmk_restrict): New.
2201 * fixinc/fixincl.x: Regenerate.
2203 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2204 (wchar_t): Check for and define __WCHAR_T__.
2206 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2208 * combine.c (simplify_shift_const): Treat shifts by the mode
2211 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2213 * cpphash.h (struct tokenrun): New.
2214 (struct cpp_context): New member bol.
2215 (struct cpp_reader): New members.
2216 (_cpp_init_tokenrun): New.
2217 * cppinit.c (cpp_create_reader): Set up the token runs.
2218 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2219 (lex_token): New internalised version of _cpp_lex_token. Don't
2220 handle directives or the multiple include opimisation here any
2221 more. Simply lex a token.
2222 * cpplib.c (run_directive): Clear bol.
2223 (_cpp_pop_buffer): Set bol.
2224 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2227 2001-09-11 Michael Meissner <meissner@redhat.com>
2229 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2230 give an error if the user uses -mfp32.
2231 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2233 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2234 floating point register size.
2235 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2237 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2238 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2240 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2241 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2243 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2245 * dbxout.c (dbxout_parms): Fix typo in comment.
2246 * unroll.c (loop_find_equiv_value): Ditto.
2247 * toplev.c (rest_of_compilation): Ditto.
2248 * loop.c (scan_loop): Ditto.
2249 * dwarf2out.c (struct dw_fde_struct): Ditto.
2251 2001-09-10 Zack Weinberg <zackw@panix.com>
2253 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2254 copying identifier when we're just going to throw it away.
2255 (parse_identifier_slow): New routine to handle abnormal cases.
2256 (_cpp_lex_token): Update call site.
2258 * hashtable.c (ht_lookup): Don't assume that the string we've
2259 been given is NUL-terminated.
2260 * system.h: #define __builtin_expect(a, b) to (a) if not
2263 2001-09-10 Michael Meissner <meissner@redhat.com>
2265 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2268 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2270 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2272 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2274 * builtins.c (c_getstr): Correct thinko in last change and further
2277 2001-09-10 Tim Freeman <tim@fungibole.com>
2279 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2280 into varray's and register them as roots with the garbage
2281 collector so they are not collected too soon.
2283 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2285 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2287 * basic-block.h (flow_obstack, label_value_list,
2288 tail_recursion_label_list): Declare
2289 (tidy_fallthru_edges): Declare.
2290 (expunge_block, last_loop_beg_note): Delete.
2291 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2293 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2294 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2295 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2296 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2297 expunge_block, flow_delete_block, compute_bb_for_insn,
2298 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2299 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2300 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2301 try_redirect_by_replacing_jump, last_loop_beg_note,
2302 redirect_edge_and_branch, redirect_edge_and_branch_force,
2303 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2304 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2305 commit_edge_insertions, dump_flow_info, debug_flow_info,
2306 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2307 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2308 Move here from flow.c
2309 * cfganal.c: New file.
2310 (forwarder_block_p, can_fallthru, mark_critical_edges,
2311 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2312 find_unreachable_blocks, create_edge_list, free_edge_list,
2313 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2314 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2315 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2316 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2317 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2318 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2319 Move here from flow.c
2320 * cfgbuild.c: New file
2321 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2322 make_edges, find_basic_blocks_1, find_basic_blocks,
2323 find_sub_basic_blocks): Move here from flow.c
2324 * cfgcleanup.c: New file.
2325 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2326 merge_blocks_move_predecessor_nojumps,
2327 merge_blocks_move_successor_nojumps, merge_blocks,
2328 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2329 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2330 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2332 * cfgloop.c: New file
2333 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2334 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2335 flow_loop_exit_edges_find, flow_loop_nodes_find,
2336 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2337 flow_loop_tree_node_add, flow_loops_tree_build,
2338 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2339 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2340 Move here from flow.c
2341 * flow.c: Remove everything moved elsewhere
2342 * output.h (cleanup_cfg): Return bool.
2344 * bb-reorder.c (reorder_block_def): Remove 'index'.
2345 (insert_intra_1): Add argument BB, set block for new note.
2346 (make_reorder_chain): Do not depdent on BB indexes.
2347 (make_reorder_chain_1): Do not use BB indexes.
2348 (label_for_bb): Likewise; set BB for new insn.
2349 (emit_jump_to_block_after): Likewise.
2350 (fixup_reoder_chain): Sanity check that all basic blocks
2351 are chained; verify newly created insn chain; remove
2352 undocnitional jump simplifying; Do not use BB indexes;
2353 properly initialize count and frequency information;
2354 dump reordered sequence.
2355 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2356 (insert_inter_bb_scope_notes): Set block for new insn.
2357 (reorder_basic_blocks): Dump flow info before reoredering.
2359 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2361 * alias.c (clear_reg_alias_info): Use K&R format definition.
2362 Avoid unsigned warning.
2363 * builtins.c: Use "unsigned int", not "unsigned".
2364 (target_char_cast): Use host_integerp and tree_low_cst.
2365 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2366 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2367 (c_getstr): Likewise.
2368 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2369 (builtin_memcpy_read_str): Avoid unsigned warning.
2370 (expand_builtin_memcpy): Alignments are unsigned.
2371 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2372 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2373 * predict.c (expensive_function_p): LIMIT now unsigned.
2374 * resource.c (mark_target_live_regs): Make some vars unsigned.
2375 * sdbout.c: Use "unsigned int", not "unsigned".
2376 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2377 (sdbout_source_line): Likewise.
2378 (sdbout_record_type_name): Remove "const" for NAME declaration.
2379 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2381 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2383 * calls.c (store_one_arg): Expand comment.
2385 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2387 * calls.c (store_one_arg): Make sure that the entire argument is
2388 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2390 2001-09-09 Richard Henderson <rth@redhat.com>
2392 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2394 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2396 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2398 2001-09-09 Richard Henderson <rth@redhat.com>
2400 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2401 (alpha_this_literal_sequence_number): New.
2402 (alpha_this_gpdisp_sequence_number): New.
2403 (some_operand, input_operand): Add HIGH.
2404 (local_symbolic_operand): New.
2405 (alpha_encode_section_info): New.
2406 (alpha_legitimate_address_p): Allow LO_SUM.
2407 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2408 (alpha_expand_mov): Likewise.
2409 (secondary_reload_class): Check memory_operand not general_operand
2411 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2412 (alpha_expand_unaligned_store): Likewise.
2413 (alpha_expand_unaligned_load_words): Likewise.
2414 (alpha_expand_unaligned_store_words): Likewise.
2415 (alpha_expand_block_clear): Likewise.
2416 (print_operand): Handle %#, %*, %H.
2417 (print_operand_address): Handle LO_SUM.
2419 (alpha_does_function_need_gp): Use it.
2420 (alpha_expand_block_move): Fix signed compare warnings.
2421 (alpha_sa_mask, alpha_align_insns): Likewise.
2422 * config/alpha/alpha-protos.h: Update.
2423 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2424 (MASK_EXPLICIT_RELOCS): New.
2425 (TARGET_SWITCHES): Add -mexplicit-relocs.
2426 (EXTRA_CONSTRAINT): Add 'T'.
2427 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2428 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2429 (ENCODE_SECTION_INFO): Out line.
2430 (REDO_SECTION_INFO_P): New.
2431 (STRIP_NAME_ENCODING): New.
2432 (ASM_OUTPUT_LABELREF): New.
2433 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2434 (PREDICATE_CODES): Update.
2435 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2436 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2437 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2438 builtin_setjmp_receiver_er, exception_receiver_1_er,
2439 call_value_osf_1_er): New patterns.
2440 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2441 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2442 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2443 (FINAL_PRESCAN_INSN): New.
2445 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2447 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2449 2001-09-08 Andreas Jaeger <aj@suse.de>
2451 * i386.h (TARGET_SWITCHES): Fix description.
2453 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2455 * rs6000.c (num_insns_constant): Compute number of instructions
2458 * doc/install.texi: Explain AIX exception handling work-around.
2459 Update URL for AIX fixes.
2461 2001-09-07 Jim Wilson <wilson@redhat.com>
2463 * alias.c (clear_reg_alias_info): New.
2464 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2465 * rtl.h (clear_reg_alias_info): Declare.
2467 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2469 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2471 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2472 (m16m,edivm,emulm): Change declaration to match definition.
2474 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2476 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2477 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2480 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2482 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2483 which have no corresponding C type.
2484 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2485 the representation of 64-bit doubles to work with 64-bit ints.
2487 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2489 * config/mips/mips.c (override_options): Do not override ISA when ABI
2490 specified if MIPS_CPU_STRING_DEFAULT was specified.
2492 2001-09-07 Richard Henderson <rth@redhat.com>
2494 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2495 (express_from_1): Wrap lines.
2496 * rtlanal.c (commutative_operand_precedence): Rename from
2497 operand_preference; export.
2498 * rtl.h: Declare it.
2499 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2500 (simplify_binary_operation): Invoke simplify_plus_minus on
2501 (CONST (PLUS ...)) as well.
2502 (struct simplify_plus_minus_op_data): New.
2503 (simplify_plus_minus_op_data_cmp): New.
2504 (simplify_plus_minus): Use them. Avoid infinite recursion with
2505 simplify_binary_operation wrt CONST.
2507 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2509 * h8300-protos.h (general_operand_dst_push): Remove.
2510 * h8300.c (general_operand_dst_push): Likewise.
2511 * h8300.h (OK_FOR_T): Likewise.
2512 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2513 * h8300.md (pushqi_h8300): New.
2514 (pushqi_h8300hs): Likewise.
2516 (pushhi_h8300): Likewise.
2517 (pushhi_h8300hs): Likewise.
2520 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2522 * genattrtab.c (attr_printf): First arg is unsigned.
2523 Clean up formatting of callers.
2525 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2527 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2530 2001-09-07 Andreas Jaeger <aj@suse.de>
2532 * i386.h (TARGET_SWITCHES): Fix descriptions.
2534 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2536 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2538 2001-09-06 Ira Ruben <ira@apple.com>
2540 Remove OP_IDENTIFIER.
2541 * tree.def (OP_IDENTIFIER): Remove.
2542 * tree.c (tree_node_kind enum): Remove op_id_kind.
2543 (tree_node_kind_names): Remove "op_identifiers".
2544 (make_node): Remove OP_IDENTIFIER test.
2545 (build_op_identifier): Removed because it isn't being used.
2546 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2547 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2549 2001-09-06 Richard Henderson <rth@redhat.com>
2551 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2553 2001-09-06 Richard Henderson <rth@redhat.com>
2555 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2558 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2560 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2561 number used for CR register.
2563 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2564 Joern Rennecke (amylaar@cygnus.com)
2566 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2567 * h8300.c (initial_offset): Handle offset between RP and FP.
2568 (h8300_return_addr_rtx): New function.
2569 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2571 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2572 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2573 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2574 (CAN_ELIMINATE, REGISTER_NAMES):
2575 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2577 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2579 Remove TYPE_NONCOPIED_PARTS.
2580 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2581 (struct tree_type): Remove noncopied_parts.
2582 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2583 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2584 (fixed_type_p): Remove.
2585 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2586 (expand_expr, MODIFY_EXPR): Likewise.
2587 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2588 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2590 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2592 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2594 (mask64_operand): Likewise.
2595 (includes_rldic_lshift_p): Likewise.
2596 (includes_rldicr_lshift_p): Likewise.
2598 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2600 * objc/objc-act.c (build_message_expr): If a class method cannot
2601 be found, do not issue a warning if a corresponding instance
2602 method exists in the root class.
2604 2001-09-05 Richard Henderson <rth@redhat.com>
2606 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2608 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2610 * function.c (ggc_mark_struct_function): Mark f->outer.
2611 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2612 * integrate.c (output_inline_function): ... not here.
2614 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2616 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2618 * i386.c (size_cost): New static variable.
2619 (override_function): Use size_cost when -Os is specified.
2621 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2622 properly; Use current_function_calls_eh_return.
2623 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2624 use leave to avoid depdendancy chain.
2626 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2627 get BB loop_depth instead of computing it from LOOP notes.
2629 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2631 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2633 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2634 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2635 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2637 2001-09-05 Jeffrey A Law (law@cygnus.com)
2638 Jason Merrill (jason@redhat.com)
2640 * stor-layout.c (layout_type): Complain if an array's size can
2641 not be represented in a size_t.
2643 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2645 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2647 * gcc.c: (process_command) Add parentheses around assignment
2648 used as truth value.
2650 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2652 * config/mips/mips.c (save_restore_insns): Don't mark any register
2653 save slots as unchanging if current_function_calls_eh_return.
2655 2001-09-05 Richard Henderson <rth@redhat.com>
2657 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2658 * config/alpha/alpha-protos.h: Declare it.
2659 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2660 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2661 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2662 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2663 (REG_OK_FOR_BASE_P): Select one of the above.
2665 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2667 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2668 (crti.o): Prefix name of object file with $(T).
2671 2001-09-05 David S. Miller <davem@redhat.com>
2673 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2674 * config/sparc/linux64.h: Likewise.
2676 2001-09-05 Andreas Jaeger <aj@suse.de>
2678 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2679 available anymore, remove the documentation.
2680 (i386 Options): Fix typo, cleanup index entries.
2682 * prefix.c (concat): Remove, we can use the version from liberty.
2684 2001-09-05 Richard Henderson <rth@redhat.com>
2686 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2687 New functions split out of md file expanders.
2688 * config/alpha/alpha-protos.h: Declare them.
2689 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2691 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2693 * cppmacro.c (funlike_invocation_p): No need to restore context.
2695 2001-09-04 Richard Henderson <rth@redhat.com>
2697 * reload.c (push_reload): Export.
2698 * reload.h (push_reload): Declare it.
2700 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2701 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2702 * config/alpha/alpha.c (alpha_legitimize_address): New.
2703 (alpha_legitimize_reload_address): Likewise.
2704 * config/alpha/alpha-protos.h: Declare them.
2706 2001-09-04 Stan Shebs <shebs@apple.com>
2708 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2709 * config/darwin.c (machopic_stub_name): Account for internally
2710 generated lib calls such as memcpy.
2712 2001-09-04 Richard Henderson <rth@redhat.com>
2714 * unwind.h (_UA_END_OF_STACK): New flag.
2715 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2717 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2719 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2721 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2723 * config/mips/mips.c (save_restore_insns): Change base_offset to
2724 fp_offset in second call to mips_emit_frame_related_store.
2726 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2728 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2729 sometimes be represented as a NOTE of type
2730 NOTE_INSN_DELETED_LABEL.
2731 (Insns): Document NOTE_INSN_DELETED_LABEL.
2733 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2735 * c-common.h (tree_dump_index): Add more comments.
2736 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2737 (dump_option_value_info): New struct.
2738 (dump_options): New array.
2739 (dump_switch_p): Parse switch options symbolically.
2740 * doc/invoke.texi (-fdump-ast): Rename to ...
2741 (-fdump-tree): ... here. Document that options are symbolic, and
2742 not all are applicable.
2744 2001-09-04 David S. Miller <davem@redhat.com>
2746 * config/sparc/sparc.md (define_splits): Kill constraints.
2748 Cleanup redundant and unused insn attributes.
2749 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2750 binary, and move. Mark ialu as default.
2751 (commented out define_function_unit "alu"): Kill.
2752 (define_attr "use_clobbered"): Kill.
2753 (whole file): Kill address insn type references. Replace
2754 all unary/binary/move references with ialu.
2755 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2756 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2759 Simplify length insn attribute and make more judicious use
2760 of insn attribute defaulting.
2761 * config/sparc/sparc.md (all insns with length > one): Mark as
2762 insn type multi if real instructions, else use default if
2763 it is a forced splitter.
2764 (all insns with length == one): Use default insn length.
2765 (all insns of type ialu): Use default insn type.
2767 Fix erroneous insn attribute settings.
2768 (addx): Set insn type to misc.
2769 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2770 const_umulsidi3_sp64): Set insn type to imul.
2772 Track SFmode vs DFmode insns according to UltraSPARC
2774 * config/sparc/sparc.md ("fptype"): New attribute, default
2776 (all DFmode single insns): Mark as fptype "double".
2778 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2780 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2782 2001-09-03 Richard Henderson <rth@redhat.com>
2784 * function.h (struct function): Add arg_pointer_save_area_init.
2785 * function.c (expand_function_end): Init arg_pointer_save_area.
2786 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2787 when called from a nested function.
2789 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2791 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2794 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2796 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2798 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2800 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2801 (emit_push_insn): Use specified padding direction when
2802 STACK_PUSH_CODE is POST_INC.
2804 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2806 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2808 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2810 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2812 * cppinit.c (cpp_start_read): Free the imacros list as we
2813 traverse it. Don't free the chains before returning.
2814 (_cpp_push_next_buffer): Only try pushing buffers if we've
2815 completed -imacros handling.
2817 2001-08-31 Eric Christopher <echristo@redhat.com>
2819 * gcc.c (handle_braces): Add explaination for abort.
2821 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2823 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2824 move adjustment of bitpos instead.
2826 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2828 * function.c: Remove all_functions. Make outer_function_chain
2830 (init_function_start): Don't add new function structure to
2832 (find_function_data, push_function_context_to,
2833 pop_function_context_from, put_var_into_stack,
2834 trampoline_address): Update for changed structure element names.
2835 (push_function_context_to): Disentangle.
2836 (free_after_compilation): Also free F.
2837 (expand_dummy_function_end): Don't free cfun here.
2838 (put_var_into_stack): Comment why we can't use find_function_data here.
2839 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2840 (mark_function_chain): Split into maybe_mark_struct_function and
2841 ggc_mark_struct_function. Export the latter.
2842 (init_function_once): Mark from cfun and outer_function_chain;
2845 * function.h (struct function): Kill next_global. Rename next
2846 to outer. All users updated to match.
2847 (all_functions, outer_function_chain): Don't declare.
2849 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2850 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2851 don't touch f->inlinable, after calling rest_of_compilation.
2853 * tree.h: Forward-declare struct function. Prototype
2854 ggc_mark_struct_function.
2856 2001-08-31 Kazu Hirata <kazu@hxi.com>
2858 * config/h8300/h8300.md (*andorhi3): Fix typos.
2860 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * calls.c (emit_library_call_value): Don't use a fixed
2863 argument after VA_CLOSE, i.e. out of scope in traditional C.
2865 * emit-rtl.c (gen_rtvec): Likewise.
2867 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2869 * Makefile.in (c-pragma.o): Depend on output.h.
2870 (reorg.o): Depend on except.h.
2872 * c-pragma.c: Include output.h.
2874 * reorg.c: Include except.h.
2876 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2878 2001-08-31 Richard Henderson <rth@redhat.com>
2880 * sched-deps.c (add_dependence): Don't elide dependancy if the
2881 conditional used by insn is modified in elem.
2883 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2885 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2887 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2889 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2892 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2894 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2896 (stormy16_asm_out_constructor): New function.
2897 (TARGET_ASM_CONSTRUCTOR): Define.
2898 (TARGET_ASM_DESTRUCTOR): Define.
2900 2001-08-31 Andreas Jaeger <aj@suse.de>
2902 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2903 * loop.c (add_label_notes): Likewise.
2904 * reload.c (find_reloads): Likewise.
2905 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2907 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2909 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2910 code here. Take _Unwind_{W,Sw}ord*.
2911 (read_encoded_value_with_base): Use them.
2912 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2914 (extract_cie_info): Simplify read_?leb128 handling.
2915 (execute_stack_op, execute_cfa_program): Likewise.
2916 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2918 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2920 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2921 the frame pointer to pop the stack if convenient.
2923 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2924 Don't use post-increment before combine.
2925 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2926 a call-saved register.
2928 2001-08-31 Andreas Jaeger <aj@suse.de>
2930 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2933 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2935 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2936 not DIV/MOD, of course.
2938 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2940 * rtl.def: Undo my patch commited 2001-08-27.
2942 * genattrtab.c: Ditto.
2946 * sched-int.h: Ditto.
2948 * target-def.h: Ditto.
2952 * haifa-sched.c: Ditto.
2954 * sched-rgn.c: Ditto.
2956 * sched-vis.c: Ditto.
2958 * Makefile.in: Ditto.
2960 * doc/md.texi: Ditto.
2962 * doc/tm.texi: Ditto.
2964 * doc/contrib.texi: Ditto.
2966 * doc/gcc.texi: Ditto.
2968 * genattrtab.h: Remove it.
2970 * genautomata.c: Remove it.
2972 * genattr.c: Undo my patch and Richard Henderson's patch commited
2975 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2977 * config.gcc (h8300-*-elf*): New case.
2978 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2979 (SUBTARGET_CPP_SPEC): Define.
2980 (EXTRA_SPECS): Define.
2981 (SUBTARGET_EXTRA_SPECS): Define.
2982 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2983 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2985 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2987 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2988 (LIB2FUNCS_EXTRA): Define.
2989 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2990 config/h8300/fixunssfsi.c: New file.
2992 2001-08-30 Kazu Hirata <kazu@hxi.com>
2994 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2995 define_expand to accomodate target-specific attributes.
2996 (anonymous zero_extendqihi2 patterns): New.
2998 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3000 * h8300.md (*andorhi3): New pattern.
3002 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3004 * h8300.c (dosize): Fix test for "sub".
3006 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3008 * c-typeck.c (pointer_diff): Try to eliminate common term before
3011 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3013 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3014 Account for the saves of the FP registers.
3016 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3017 (TEXT_SECTION_ASM_OP): Define.
3018 (INIT_SECTION_ASM_OP): Define.
3019 (FINI_SECTION_ASM_OP): Define.
3020 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3021 (RDATA_SECTION_FUNCITON): Provide prototype.
3023 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3025 * reload1.c (move2add_note_store): Correct typo checking for
3028 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3030 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3031 note should not be considered outside the libcall block.
3033 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3035 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3037 2001-08-29 Kazu Hirata <kazu@hxi.com>
3039 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3041 2001-08-29 Kazu Hirata <kazu@hxi.com>
3043 * config/h8300/h8300-protos.h: Add a prototype for
3045 * config/h8300/h8300.c (emit_logical_op): New.
3046 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3053 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3055 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3056 comparison with rtx INTVAL.
3057 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3059 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3061 2001-08-29 Kazu Hirata <kazu@hxi.com>
3063 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3066 2001-08-29 Kazu Hirata <kazu@hxi.com>
3068 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3069 (reg n) to (mem (pre_dec (reg n))
3070 (anonymous movsi pattern): Likewise.
3072 2001-08-29 Kazu Hirata <kazu@hxi.com>
3074 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3076 2001-08-29 Kazu Hirata <kazu@hxi.com>
3078 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3079 several special constants.
3081 2001-08-29 Kazu Hirata <kazu@hxi.com>
3083 * config/h8300/lib1funcs.asm: Fix comment typos.
3085 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3087 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3088 Fix format specifier warnings.
3090 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3091 inet_makeaddr, semctl): Prototype.
3093 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3094 (save_restore_insns): Use base_offset, not gp_offset.
3096 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3097 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3099 2001-08-29 Richard Henderson <rth@redhat.com>
3101 * bb-reorder.c (function_tail_eff_head): New.
3102 (record_effective_endpoints): Set it.
3103 (fixup_reorder_chain): Use it.
3105 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3107 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3109 2001-08-28 Dale Johannesen <dalej@apple.com>
3111 * config/darwin.c (machopic_function_base_name): Add const
3112 qualifier to a string.
3113 (darwin_encode_section_info): Ditto.
3115 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3117 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3118 function definition.
3120 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3122 * df.h (struct df): Add rts_order variable.
3124 * df.c (df_visit_next_rts): New function.
3125 (df_visit_next): Renamed to df_visit_next_rc
3126 (df_analyse_1): Allocate/compute/free rts_order as well.
3127 (df_rd_global_compute): Use df_visit_next_rc instead of
3129 (df_ru_global_compute): Use df_visit_next_rts instead of
3132 * flow.c (flow_reverse_top_sort_order_compute): New function.
3134 * basic-block.h: Add prototype.
3136 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3138 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3139 blocks, the BB_REACHABLE is now set, rather than aux being
3140 non-NULL. Update the test to reflect this.
3142 2001-08-28 Eric Christopher <echristo@redhat.com>
3144 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3145 config/mips/crti.asm: Ditto.
3147 2001-08-28 Eric Christopher <echristo@redhat.com>
3148 Richard Henderson <rth@redhat.com>
3150 * c-pragma.h (add_weak): Move prototype from here...
3151 * output.h (add_weak): ... to here.
3152 * varasm.c (add_weak): Fix typo.
3153 * config/mips/crti.asm: New file.
3154 * config/mips/crtn.asm: Ditto.
3155 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3156 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3157 (INVOKE__main): Ditto.
3158 (INIT_SECTION_ASM_OP): New.
3159 (FINI_SECTION_ASM_OP): Ditto.
3160 (STARTFILE_SPEC): Add crti.
3161 (ENDFILE_SPEC): Add crtn.
3162 * config/mips/elf64.h: Same.
3163 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3165 * config/mips/vxworks.h: Ditto.
3166 * config/mips/t-elf: Support crti and crtn.
3168 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3170 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3173 2001-08-28 Richard Henderson <rth@redhat.com>
3175 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3176 (one_cmplbi2 splitter): Remove redundant test.
3178 2001-08-28 Dale Johannesen <dalej@apple.com>
3180 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3182 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3184 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3186 2001-08-28 Stan Shebs <shebs@apple.com>
3188 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3189 (UNALIGNED_SHORT_ASM_OP): Define.
3190 (UNALIGNED_INT_ASM_OP): Define.
3192 2001-08-28 Will Cohen <wcohen@redhat.com>
3194 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3195 generation for first set.
3197 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3199 * flow.c (redirect_edge_succ_nodup): Return new edge.
3200 (try_simplify_condjump): Use new edge.
3201 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3203 * cse.c (cse_basic_block): Skip note instructions.
3205 2001-08-27 Richard Henderson <rth@redhat.com>
3207 * combine.c (combine_simplify_rtx): Don't reverse condition
3208 if there is no reverse for the condition.
3209 (simplify_comparison): Don't simplify subregs from INT to FP.
3211 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3212 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3213 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3214 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3215 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3216 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3218 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3220 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3221 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3223 (adddi_dilshr32, adddi_dishl32): Only data register can be
3224 source for mem destination.
3226 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3227 and use bitnum to decide about register move.
3229 2001-08-27 Richard Henderson <rth@redhat.com>
3231 * genattr.c (main): Emit state_t even when not doing scheduling.
3233 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3234 Richard Henderson <rth@redhat.com>
3236 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3237 (reg_avail_info, current_bb): ... these.
3238 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3239 (compute_hash_table): Likewise.
3241 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3243 * flow.c (verify_flow_info): Use checksums to verify edges.
3245 2001-08-27 Richard Henderson <rth@redhat.com>
3247 * genautomata.c (expand_automata): Always create a description.
3249 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3251 * optabs.c (expand_binop): Correctly handle the carry in multiword
3252 add/subtract operations.
3254 2001-08-27 Fred Fish <fnf@be.com>
3256 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3259 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3261 * reload.c (find_reloads_toplev): Back out this change:
3263 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3265 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3266 mem if the address is a mode_dependent_address_p.
3268 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3270 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3271 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3272 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3275 * genattr.c (main): New variable num_insn_reservations. Increase
3276 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3277 pipeline hazard recognizer interface.
3279 * genattrtab.h: New file.
3281 * genattrtab.c: Include genattrtab.h.
3282 (attr_printf, check_attr_test, make_internal_attr,
3283 make_numeric_value): Move protypes into genattrtab.h. Define them
3285 (num_dfa_decls): New global variable.
3286 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3287 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3288 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3289 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3291 * genautomata.c: New file.
3293 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3295 * sched-int.h: (curr_state): Add the external definition for
3296 automaton pipeline interface.
3297 (haifa_insn_data): Add comments for members blockage and units.
3299 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3300 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3301 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3302 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3303 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3304 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3305 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3307 (TARGET_SCHED): Use the new macros.
3309 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3310 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3311 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3312 dfa_bubble): New members in gcc_target.sched.
3314 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3315 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3316 (insn_queue): Redefine it as pointer to array.
3317 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3319 (max_insn_queue_index_macro_value): New variable.
3320 (curr_state, dfa_state_size, ready_try): New varaibles for
3321 automaton interface.
3322 (ready_element, ready_remove, max_issue): New function prototypes
3323 for automaton interface.
3324 (choose_ready): New function prototype.
3325 (insn_unit, blockage_range): Add comments.
3326 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3327 FUNCTION_UNITS_SIZE == 0.
3328 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3329 actual_hazard, potential_hazard): Add comments.
3330 (insn_cost): Use cost -1 as undefined value. Remove
3331 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3333 (ready_element, ready_remove): New functions for automaton
3335 (schedule_insn): Add new code for automaton pipeline interface.
3336 (queue_to_ready): Add new code for automaton pipeline interface.
3337 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3338 (debug_ready_list): Print newline when the queue is empty.
3339 (max_issue): New function for automaton pipeline interface.
3340 (choose_ready): New function.
3341 (schedule_block): Add new code for automaton pipeline interface.
3342 Print ready list before scheduling each insn.
3343 (sched_init): Add new code for automaton pipeline interface.
3344 Initiate insn cost by -1.
3345 (sched_finish): Free the current automaton state and finalize
3346 automaton pipeline interface.
3348 * sched-rgn.c: Include target.h.
3349 (init_ready_list, new_ready, debug_dependencies): Add new code for
3350 automaton pipeline interface.
3352 * sched-vis.c: Include target.h.
3353 (get_visual_tbl_length): Add code for automaton interface.
3354 (target_units, print_block_visualization): Add comments.
3356 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3357 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3358 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3359 (getruntime.o, genautomata.o): New entries.
3360 (genattrtab.o): Add new dependency file genattrtab.h.
3361 (genattrtab): Add new dependencies. Link it with `libm.a'.
3362 (getruntime.o, hashtab.o): New entries for canadian cross.
3364 * doc/md.texi: Description of automaton based model.
3366 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3368 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3369 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3370 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3371 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3372 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3373 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3374 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3376 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3377 MAX_DFA_ISSUE_RATE): New macro descriptions.
3379 * doc/contrib.texi: Add dfa based scheduler contribution.
3381 * doc/gcc.texi: Add more information about genattrtab.
3383 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3385 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3388 2001-08-27 Richard Henderson <rth@redhat.com>
3390 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3391 (get_arg_pointer_save_area): New. Create an init it here.
3392 (fix_lexical_addr): Use it.
3393 * function.h: Declare it.
3394 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3395 * stmt.c (expand_nl_goto_receiver): Use it.
3397 2001-08-27 Richard Henderson <rth@redhat.com>
3399 * final.c (final_scan_insn): Don't enter APP_ON mode for
3402 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3403 alignment for assemble_integer for DW_EH_PE_aligned.
3404 * except.c (output_function_exception_table): Likewise.
3406 2001-08-26 Andreas Jaeger <aj@suse.de>
3408 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3410 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3412 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3414 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3416 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3418 (mask64_operand): Likewise.
3419 (rldic_operand): Delete.
3420 (includes_lshift64_p): Delete.
3421 (includes_rldic_lshift_p): New function.
3422 (includes_rldicr_lshift_p): New function.
3423 (print_operand): Don't call rldic_operand in case 'W'.
3424 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3425 (includes_lshift64_p): Remove.
3426 (includes_rldic_lshift_p): Declare.
3427 (includes_rldicr_lshift_p): Declare.
3428 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3429 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3430 Replace match_operand rldic_operand predicate with
3431 const_int_operand. Replace includes_lshift64_p condition with
3432 includes_rldic_lshift_p.
3433 <ashldi3_internal 64 bit rldicr patterns>: New.
3435 2001-08-27 Andreas Jaeger <aj@suse.de>
3437 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3438 * errors.c: Likewise.
3439 * final.c: Likewise.
3440 * dwarf2asm.c: Likewise.
3441 * doprint.c (checkit): Likewise.
3442 * diagnostic.c: Likewise.
3443 * collect2.c: Likewise.
3444 * calls.c: Likewise.
3445 * c-semantics.c (build_stmt): Likewise.
3446 * c-format.c (status_warning): Likewise.
3447 * c-errors.c (pedwarn_c99): Likewise.
3448 * builtins.c (validate_arglist): Likewise.
3449 * config/pj/pj.c (pj_printf): Likewise.
3450 * fix-header.c: Likewise.
3452 * gcov.c (fnotice): Likewise.
3453 * gensupport.c (message_with_line): Likewise.
3454 * mips-tfile.c: Likewise.
3455 * protoize.c (notice): Likewise.
3456 * read-rtl.c (fatal_with_file_and_line): Likewise.
3457 * rtl-error.c: Likewise.
3458 * tradcpp.c: Likewise.
3460 * cp/tree.c (build_min_nt): Likewise.
3461 (build_min): Likewise.
3462 * cp/lex.c: Likewise.
3463 * cp/errfn.c: Likewise.
3464 * cp/rtti.c (create_pseudo_type_info): Likewise.
3466 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3468 * df.c (df_uses_record): Return after recording all uses
3471 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3473 * df.c (df_insn_modify): Realloc the INSN table here, if
3474 necessary, here, too.
3476 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3478 * config/mips/mips.c (mips_function_value): Handle complex return
3481 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3483 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3485 * reload.c (make_memloc): Copy result if it is still
3486 reg_equiv_memory_loc[regno] on return.
3487 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3488 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3489 reg_equiv_mem are modified by the substitutions.
3491 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3493 * predict.c (expensive_function_p): New.
3494 * rtl.h (expensive_function_p): Declare.
3495 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3496 (use_fast_prologue_epilogue): New static variable.
3497 (expand_prologue): Set it; emit short prologues if unset.
3498 (expand_epilogue): Likewise.
3500 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3502 * config.gcc: Add stormy16-*-elf case.
3503 * config/stormy16/stormy-abi: New file.
3504 * config/stormy16/stormy16-lib2.c: New file.
3505 * config/stormy16/stormy16-protos.h: New file.
3506 * config/stormy16/stormy16.c: New file.
3507 * config/stormy16/stormy16.h: New file.
3508 * config/stormy16/stormy16.md: New file.
3509 * config/stormy16/t-stormy16: New file.
3511 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3513 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3515 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3517 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3518 descriptor members are pointer size, not constant 4.
3519 * config/rs6000/rs6000.md (define_splits): Remove more unused
3522 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3524 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3526 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3528 * cp/rtti.c (VPARAMS): Fix parameter.
3530 2001-08-24 Zack Weinberg <zackw@panix.com>
3532 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3534 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3536 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3537 in if controlling use of insv.
3538 (extract_bit_field): Likewise, for extv and extzv.
3540 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3542 * i386.md (movcc peep2): Fix load of 0.
3544 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3546 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3547 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3549 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3551 * c-pragma.h: Move weak_syms and weak_decls...
3552 * varasm.c: ...here. Now static.
3553 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3554 depend on HANDLE_PRAGMA_WEAK.
3556 * c-common.c (c_alignof, c_alignof_expr): Move here...
3557 * c-typeck.c: ...from here.
3558 * c-tree.h, c-common.h: Adjust.
3560 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3562 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3563 instead of incrementing it.
3565 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3566 asm ready, don't try to move them all into the same array element.
3568 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3570 * function.c (thread_prologue_and_epilogue_insns): Avoid
3571 fallthru flag on edge to exit.
3573 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3575 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3578 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3580 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3581 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3582 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3585 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3587 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3588 replace "GNU CC" with "GCC".
3590 2001-08-23 Richard Henderson <rth@redhat.com>
3592 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3593 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3594 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3595 Need GR between FR and not GR_AND_FR.
3596 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3597 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3598 AR regs before GR regs.
3599 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3600 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3601 (REGISTER_MOVE_COST): Update.
3602 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3604 2001-08-23 Richard Henderson <rth@redhat.com>
3606 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3609 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3611 * reload1.c (emit_reload_insns): Don't look for notes
3612 on a NULL store_insn.
3614 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3616 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3617 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3618 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3619 format specifier warnings.
3620 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3622 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3624 * config/i386/i386-protos.h: Correct declaration of
3625 i386_pe_asm_named_section.
3627 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3629 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3631 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3633 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3635 * cpperror.c (print_location): Don't show _Pragma.
3636 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3637 and file change callback generation here.
3638 (stack_include_file): Update use of cpp_push_buffer.
3639 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3640 (struct cpp_buffer): Remove type, pfile members.
3641 * cppinit.c (cpp_handle_option): Use free_chain.
3642 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3643 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3644 a cpp_reader rather than a cpp_buffer.
3645 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3646 skip_line_comment, parse_string, lex_percent, lex_dot,
3647 _cpp_lex_token): Update accordingly.
3648 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3650 (cpp_push_buffer): Update prototype.
3651 (run_directive): Update use of cpp_push_buffer.
3652 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3653 handle_assertion): Update use of run_directive.
3654 * cpplib.h (enum cpp_buffer_type): Remove.
3655 (cpp_push_buffer): Update prototype.
3656 * fix-header.c (read_scan_file): Update.
3658 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3660 * gcc.c (struct prefix_list): Change prefix to const char *.
3662 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3664 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3666 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3668 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3671 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3674 * ifcvt.c (dead_or_predicable): Adjust.
3675 * loop.c (find_and_verify_loops): Adjust.
3676 * stmt.c (expand_end_case): Adjust.
3677 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3678 head and end insn pointers in the basic block, not just local copies.
3679 (merge_blocks_move_predecessor_nojumps): Likewise.
3681 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3683 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3684 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3685 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3686 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3687 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3688 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3689 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3690 conditions.h, config.gcc, configure.frag, configure.in,
3691 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3692 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3693 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3694 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3695 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3696 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3697 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3698 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3699 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3700 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3701 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3702 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3703 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3704 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3705 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3706 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3707 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3708 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3709 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3710 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3711 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3712 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3713 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3714 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3715 params.h, predict.c, predict.def, predict.h, prefix.c,
3716 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3717 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3718 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3719 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3720 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3721 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3722 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3723 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3724 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3725 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3726 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3727 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3728 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3729 xcoffout.h: replace "GNU CC" with "GCC".
3731 2001-08-21 Richard Henderson <rth@redhat.com>
3733 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3734 (final_scan_insn): Consider jump tables data even if we have no
3735 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3737 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3738 (ASM_OUTPUT_CASE_END): Remove.
3739 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3740 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3741 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3743 2001-08-21 Richard Henderson <rth@redhat.com>
3745 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3746 at barrier insns. Emit stop bits before barriers.
3748 * flow.c (flow_find_cross_jump): Don't consider unconditional
3749 return insns for commoning.
3751 * final.c (compute_alignments): Fix typo.
3753 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3754 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3755 (store_bit_field): Use mode_for_extraction more places.
3756 (extract_bit_field): Likewise.
3758 2001-08-21 Zack Weinberg <zackw@panix.com>
3760 * caller-save.c: Don't include insn-codes.h.
3761 (reg_save_code, reg_restore_code): Make arrays of int.
3762 All uses updated to match.
3763 (insert_save, insert_restore): No need to initialize "code"
3764 variable upon declaration.
3765 * Makefile.in: update dependencies; fix typo in clean rule.
3767 2001-08-21 Richard Henderson <rth@redhat.com>
3769 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3770 (merge_if_block): Handle fallout from same.
3772 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3774 * builtins.c (type_to_class): Fix typo in last change.
3776 2001-08-21 Richard Henderson <rth@redhat.com>
3778 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3779 ia64_asm_output_label.
3781 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3782 copy of gp while the real gp register contains garbage.
3784 2001-08-21 Zack Weinberg <zackw@panix.com>
3786 * expmed.c (mode_for_extraction): New function.
3787 (store_bit_field, extract_bit_field): Use it.
3788 * expr.h: Prototype it and provide an enum for its first argument.
3790 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3791 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3792 and digging through the insn_data tables.
3793 * Makefile.in: Update dependencies.
3795 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3797 * cppfiles.c (stack_include_file): line-map.c now handles include
3799 (handle_missing_handler): Similarly.
3800 (_cpp_execute_include): Similarly.
3801 (_cpp_pop_file_buffer): Similarly.
3802 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3803 buffer_stack_depth and include_depth.
3804 * cpplib.c (do_include_common): line-map.c now handles include depth.
3805 (cpp_push_buffer): Similarly.
3806 (_cpp_pop_buffer): Similarly.
3807 * cppmacro.c (builtin_macro): Update.
3808 * line-map.c (init_line_maps): Set depth.
3809 (add_line_map): Increment "used" earlier. Update and use the
3811 (trace_include): Use the include depth.
3812 * line-map.h (struct line_maps): New member depth.
3814 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3816 * cppfiles.c (stack_include_file): Don't handle -H here.
3817 * cppinit.c (cpp_start_read): Set include tracing after
3818 cpp_post_options and after stacking the main file.
3819 * line-map.c (trace_include): New.
3820 (init_line_maps, add_line_map): Update.
3821 * line-map.h (struct line_maps): New member trace_includes.
3823 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3825 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3826 * cppfiles.c (stack_include_file): Only stack a file if there
3827 is something to do. Return a boolean indicating whether a
3828 buffer was stacked or not.
3829 (_cpp_execute_include): Similarly.
3830 (_cpp_read_file): Similarly.
3831 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3833 2001-08-21 Sam Steingold <sds@gnu.org>
3835 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3836 (RECACHE): keep obufp_before_macroname up to date
3838 2001-08-21 Zack Weinberg <zackw@panix.com>
3840 * stmt.c: Don't include insn-codes.h.
3841 (expand_end_case): Machine specific logic moved to expr.c.
3842 No need to worry about __builtin_classify_type.
3843 (check_for_full_enumeration_handling, emit_case_nodes):
3846 * builtins.o (expand_builtin_classify_type): Split up so code
3847 can be shared with fold_builtin_classify_type.
3848 (type_to_class, fold_builtin_classify_type): New functions.
3849 (fold_builtins): Handle __builtin_classify_type.
3851 * expr.c (do_tablejump): Now static.
3852 (case_values_threshold, try_casesi, try_tablejump): New;
3853 code mostly from stmt.c (expand_end_case).
3854 (expr.h): Update prototypes.
3856 * Makefile.in (stmt.o): Update dependencies.
3858 2001-08-21 Will Cohen <wcohen@redhat.com>
3860 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3861 declaration of variable i.
3862 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3863 declaration of variable i.
3865 2001-08-21 Richard Henderson <rth@redhat.com>
3867 * crtstuff.c: Fix thinko last change. Move list tails to start
3868 of CRT_END section. Tidy ifdefs.
3869 (__EH_FRAME_BEGIN__): Always static for ELF.
3870 (__do_global_ctors_1): Rename from __frame_dummy.
3871 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3872 name change; don't hide __EH_FRAME_BEGIN__.
3874 2001-08-21 Richard Henderson <rth@redhat.com>
3876 * gdbinit.in: Move break on exit after break on fancy_abort.
3878 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3881 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3883 * cpphash.h (_cpp_push_next_buffer): New.
3884 * cppinit.c (do_includes): Remove.
3885 (push_include, free_chain, _cpp_push_next_buffer): New.
3886 (cpp_start_read): Use them to rework command line option handling.
3887 (cpp_handle_option): Combine handling of -include and -imacros.
3888 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3889 appropriate. Always insert missing \n at EOF.
3890 * cpplib.c (start_directive): Get the directive position right.
3891 * cppmain.c (cb_file_change): Always print the first line, unless
3894 2001-08-20 Andreas Jaeger <aj@suse.de>
3896 * profile.c (compute_branch_probabilities): Remove extra new-line
3898 * flow.c (verify_flow_info): Likewise.
3900 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3902 * basic-block.h (basic_block): Add new field 'flags'.
3903 (BB_REACHABLE): Define.
3904 (expunge_block): Declare.
3905 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3906 (EXIT_BLOCK_PTR): Ditto.
3907 (expunge_block): Remove static declaration.
3908 (cleanup_cfg): Clear bb->aux on every basic block.
3909 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3910 computing reachability.
3911 (delete_unreachable_blocks): Delete block b if b->flags has
3914 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3916 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3918 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3920 * sparc.c (sparc_variable_issue): Fix typo in last change.
3922 2001-08-20 Richard Henderson <rth@redhat.com>
3924 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3926 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3928 * pa.h (RETURN_IN_MEMORY): Improve comment.
3930 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3932 * doc/invoke.texi (Profiling options): Clarify the interactions
3933 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3935 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3937 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3940 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3942 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3945 2001-08-20 Richard Henderson <rth@redhat.com>
3947 * final.c (end_final): Fix typo last change.
3949 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3951 * cppinit.c (init_standard_includes): The returned buffer
3952 is already malloc-ed.
3953 * gcc.c (add_prefix): Similarly.
3954 * prefix.c (translate_name): Update to support clear buffer
3956 (update_path): Similarly. Be sure to free any newly allocated
3957 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3959 * prefix.h (update_path): Update prototype and document.
3960 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3961 up and update to new buffer ownership rules.
3962 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3964 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3966 * final.c (compute_alignments): New function.
3967 (init_insn_lengths): Do not care label_align.
3968 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3969 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3970 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3971 (shorted_branches): Realloc label_align array; do
3972 not call init_insn_lengths; Do not care about loop alignments.
3973 * output.h (compute_alignments): Declare.
3974 * toplev.c (rest_of_compilation): Call compute_alignments.
3975 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3977 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3978 change visited to tovisit.
3979 (propagate_freq): Use faster traversing algorithm.
3980 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3981 to tovisit; reverse meaning.
3983 * predict.c (struct block_info_def): Remove nvisited.
3984 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3985 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3987 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3989 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3990 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3991 (TARGET_FUSED_MADD): New.
3992 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3993 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3994 the multiply-add instructions.
3996 2001-08-19 Richard Henderson <rth@redhat.com>
3998 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3999 is aligned to pointer size.
4001 2001-08-19 Richard Henderson <rth@redhat.com>
4003 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4004 display markers during final schedule.
4006 2001-08-19 Richard Henderson <rth@redhat.com>
4008 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4010 2001-08-19 Richard Henderson <rth@redhat.com>
4012 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4014 (ASM_NAME_TO_STRING): Remove.
4015 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4016 in the same string. Remove support for expressions.
4018 2001-08-19 Richard Henderson <rth@redhat.com>
4020 * config/i386/i386.md (tablejump): Make an expander; handle
4021 pic relative addressing here.
4022 (tablejump_1): Rename from tablejump_pic.
4025 2001-08-19 Richard Henderson <rth@redhat.com>
4027 * regclass.c (fix_register): Fix typo.
4029 2001-08-18 Richard Henderson <rth@redhat.com>
4031 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4032 (struct _Unwind_Context): Expand br_loc to hold it.
4033 (uw_frame_state_for): Handle leaf functions better.
4034 (uw_update_reg_address): Update for br_loc change.
4036 2001-08-18 Richard Henderson <rth@redhat.com>
4038 * crtstuff.c: Move list heads before code that uses them.
4039 (__JCR_LIST__): Remove initial null.
4040 (frame_dummy, __frame_dummy): Do java registration here ...
4041 (__do_global_ctors_aux): ... not here.
4043 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4044 (__do_global_dtors_aux): Update to match.
4045 (__JCR_LIST__, __do_jv_register_classes): New.
4047 * config/ia64/crtend.asm (__JCR_END__): New.
4048 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4049 instead of an indirect LTOFF22 reloc.
4051 2001-08-18 Richard Henderson <rth@redhat.com>
4053 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4054 * regclass.c (init_reg_sets_1): Fix typo.
4055 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4056 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4057 (ia64_compute_frame_size): Make ar.unat live when in use.
4058 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4059 for ar.pfs; remove ar.unat handling.
4060 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4062 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4063 * config/ia64/ia64-protos.h: Update decls.
4064 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4065 (sibcall_pic): Likewise.
4067 2001-08-18 Richard Henderson <rth@redhat.com>
4069 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4070 pred_rel_mutex when searching for insn_group_barrier.
4071 * config/ia64/ia64.md (cycle_display): Combine the expander
4074 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4075 bit before asm as needed.
4077 2001-08-18 Richard Henderson <rth@redhat.com>
4079 * timevar.def (TV_MACH_DEP): New.
4080 * toplev.c (rest_of_compilation): Use it.
4081 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4083 2001-08-18 Zack Weinberg <zackw@panix.com>
4085 * unwind-dw2.c (execute_stack_op): Add default aborts to
4086 the inner switches to prevent warnings.
4088 2001-08-18 Richard Henderson <rth@redhat.com>
4090 * timevar.h (struct timevar_time_def): Change element type to float.
4091 (ticks_to_msec, clocks_to_msec): Likewise.
4092 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4093 (get_time): Likewise.
4094 (timevar_print): Adjust zero check and printing to match.
4096 2001-08-18 Zack Weinberg <zackw@panix.com>
4098 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4099 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4100 Eliminate overfull or underfull hboxes.
4102 2001-08-18 Zack Weinberg <zackw@panix.com>
4104 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4106 2001-08-18 Zack Weinberg <zackw@panix.com>
4108 * haifa-sched.c: Convert to target hooks. Macros replaced
4109 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4110 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4111 MD_SCHED_FINISH, and HAVE_cycle_display.
4112 * target-def.h (TARGET_SCHED_ADJUST_COST,
4113 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4114 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4115 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4116 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4117 New hook #defines to be overridden.
4118 (TARGET_SCHED): Bring them all together.
4119 (TARGET_INITIALIZER): Update.
4120 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4121 instead of 'struct rtx_def *' throughout.
4122 (struct sched): New set of hooks for the scheduler.
4123 * Makefile.in (haifa-sched.o): Depend on target.h.
4124 * doc/tm.texi: Document the new scheduler hooks, together in
4125 their own section, instead of scattered around.
4126 Fix a bunch of underfull/overfull hboxes.
4128 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4129 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4130 sparc.h: Don't define any of the old scheduler macros.
4132 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4133 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4134 sparc.c: Create hook functions from code extracted from
4135 corresponding target header, or make existing hooks static, as
4136 appropriate. Set the appropriate entries in targetm.
4138 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4139 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4140 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4141 Remove prototypes for functions which are now static.
4143 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4144 related gunk; the Haifa scheduler is now the only choice.
4146 2001-08-18 Zack Weinberg <zackw@panix.com>
4148 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4149 * genopinit.c: Put floating point divide insns in sdiv_optab.
4150 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4151 * config/gofast.h, config/c4x/c4x.h,
4152 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4153 config/pa/long_double.h, config/rs6000/sysv4.h,
4154 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4155 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4156 (init_optabs): Use init_optabv for overflow-trapping optabs.
4157 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4158 cmp_optab RTX codes so have_insn_for can find them.
4160 * optabs.c (expand_simple_binop, expand_simple_unop,
4161 have_insn_for, gen_sub3_insn): New interfaces.
4162 * expr.h: Prototype new functions.
4163 (enum optab_methods): Move here from optabs.h.
4165 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4166 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4167 Use new functions instead of working directly with optabs.
4168 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4169 unroll.c: Don't include optabs.h.
4170 * caller-save.c, combine.c, function.c, stmt.c: Just include
4171 insn-codes.h, not optabs.h.
4172 * Makefile.in: Update dependencies.
4174 * combine.c (make_compound_operation, simplify_comparison):
4175 Fix typos testing for this or that instruction.
4177 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4179 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4180 generating libgcc.a.
4182 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4184 * except.c (TYPE_HASH): Delete.
4186 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4189 * tree.c (TYPE_HASH): Delete.
4191 * tree.h (TYPE_HASH): Define.
4193 2001-08-18 Graham Stott <grahams@redhat.com>
4195 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4197 (adddi3_internal_2+2): Likewise.
4198 (eh_set_lr_di+1): Likewise.
4200 2001-08-17 Richard Henderson <rth@redhat.com>
4202 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4203 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4204 * dwarf2asm.c: ... here.
4205 * dwarfout.c: Remove them.
4207 * varasm.c (assemble_integer): Add align parameter.
4208 (assemble_real, output_constant, output_constructor): Likewise.
4209 * output.h: Update decls.
4210 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4211 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4212 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4213 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4214 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4217 * final.c (end_final): Abort profile block generation if we
4218 havn't layed it out properly.
4219 * output.h (assemble_eh_integer): Remove stale decl.
4220 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4222 (assemble_integer): Handle unaligned data.
4223 (assemble_real): Abort on unaligned data.
4224 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4226 (default_dtor_section_asm_out_destructor): Use assemble_align.
4227 (default_named_section_asm_out_constructor): Likewise.
4228 (default_ctor_section_asm_out_constructor): Likewise.
4229 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4230 (machopic_asm_out_destructor): Likewise.
4231 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4232 (nextstep_asm_out_destructor): Likewise.
4233 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4234 (vms_asm_out_destructor): Likewise.
4236 2001-08-17 Richard Henderson <rth@redhat.com>
4238 * config/mips/iris6.h (TARGET_IRIX6): New.
4239 (current_section_name, current_section_flags): New.
4240 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4241 (MAX_OFILE_ALIGNMENT): New.
4242 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4243 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4244 (copy_file_data): Split out from
4245 (mips_asm_file_end): ... here.
4246 (mips_asm_file_start): Remove extra .section directive. Use
4247 tmpfile instead of mips_make_temp_file.
4248 (mips_unique_section): Use const char * as needed for warnings.
4249 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4250 re-add align parameter.
4251 (iris6_asm_named_section): New.
4252 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4253 (iris6_asm_output_align, iris6_section_align_1): New.
4254 (iris6_asm_file_start, iris6_asm_file_end): New.
4255 * config/mips/mips-protos.h: Update decls.
4257 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4259 * doc/install.texi (Install GCC): Add links to build status pages.
4261 (Final install): Ditto; request updates for specific info
4263 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4265 * cpperror.c (print_location): Don't take a file name; use the
4267 (_cpp_begin_message): Similarly.
4268 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4269 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4270 (cpp_pedwarn_with_file_and_line): Remove.
4271 * cppfiles.c (stack_include_file): Update; set filename to stdin
4272 here when appropriate.
4273 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4274 (_cpp_begin_message): Don't take a file name.
4275 * cppinit.c: Add comment.
4276 * cpplex.c: Fix end-of-directive indicator.
4277 * cpplib.c: Don't include intl.h.
4278 (run_directive, do_diagnostic): Update.
4279 (do_line): Update to not use nominal_fname.
4280 (cpp_push_buffer): Don't take a filename.
4281 * cpplib.h (struct ht): Remove.
4282 (cpp_push_buffer): Don't take a filename.
4283 (cpp_pedwarn_with_file_and_line): Remove.
4284 * cppmacro.c (struct cpp_macro): Remove file.
4285 (builtin_macro): Update.
4286 (_cpp_create_definition): Update.
4287 * cppmain.c: Correct comment.
4288 * fix-header.c (read_scan_file): Update.
4290 2001-08-17 Kazu Hirata <kazu@hxi.com>
4292 * sbitmap.c: Fix comment formatting.
4293 * sched-deps.c: Likewise.
4294 * sibcall.c: Likewise.
4295 * simplify-rtx.c: Likewise.
4297 * ssa-ccp.c: Likewise.
4298 * stor-layout.c: Likewise.
4299 * timevar.c: Likewise.
4300 * toplev.c: Likewise.
4301 * unwind-dw2.c: Likewise.
4302 * unwind-dw2-fde.c: Likewise.
4303 * varasm.c: Likewise.
4305 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4307 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4308 or larger than an integer in memory.
4310 2001-08-17 Zack Weinberg <zackw@panix.com>
4312 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4313 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4314 * rtl.h: Don't forward-declare union tree_node here. Don't
4315 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4316 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4317 and tree respectively.
4318 * tree.h: Don't forward-declare struct rtx_def here. Don't
4319 typedef tree here. Change all uses of struct rtx_def *,
4320 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4321 and tree respectively.
4323 2001-08-17 Richard Henderson <rth@redhat.com>
4325 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4326 config/mips/openbsd.h: Fix typos last change.
4328 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4330 * doc/invoke.texi (Optimize Options): The default for
4331 -finline-limit is 600.
4333 2001-08-17 Richard Henderson <rth@redhat.com>
4335 * varasm.c (text_section): Allow TEXT_SECTION to override the
4336 printing of TEXT_SECTION_ASM_OP.
4337 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4338 (DATA_SECTION, BSS_SECTION): Remove.
4339 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4340 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4341 Rename from s/_NAME//.
4342 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4343 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4344 (TEXT_SECTION): ... here. New.
4345 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4346 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4347 * config/mips/openbsd.h: Likewise.
4348 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4349 (mips_asm_file_end): Likewise test.
4350 (mips_output_function_epilogue): Likewise. Switch back to data
4351 section after emitting the function.
4353 * doc/tm.texi (Sections): Document TEXT_SECTION.
4355 2001-08-17 Richard Henderson <rth@redhat.com>
4357 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4358 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4360 2001-08-17 Richard Henderson <rth@redhat.com>
4362 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4363 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4364 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4365 Add aligned attribute.
4367 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4369 * config/sh/sh.md: Add modes to unspecs in first insn to match
4370 those in the second.
4372 * Makefile.in: Fix collect2 copy for Cygwin.
4374 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4376 Install the proper patch.
4377 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4378 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4379 (expand_function_start): Likewise.
4380 * stmt.c (expand_decl): Likewise.
4381 * varasm.c (make_decl_rtx): Likewise.
4383 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4385 * final.c: Undo my previous accidental checkin.
4386 * output.h: Likewise.
4387 * tm.texi: Likewise.
4389 2001-08-16 Richard Henderson <rth@redhat.com>
4391 * varasm.c (named_section_flags): Remove align parameter.
4392 * varasm.c, dwarf2out.c: Update all callers.
4393 * output.h: Update prototypes.
4395 * target.h (target.asm_out.named_section): Remove align parameter.
4396 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4397 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4398 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4399 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4400 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4402 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4403 (get_named_section_flags, set_named_section_flags): New.
4404 (named_section_flags): Use them.
4405 (named_section): Do decl vs section flags check here...
4406 (default_section_type_flags): ... not here.
4407 (init_varasm_once): Create in_named_htab.
4408 (resolve_unique_section): Mark reloc unused.
4410 2001-08-16 Richard Henderson <rth@redhat.com>
4412 * varasm.c (force_const_mem): Keep pool alignment in bits.
4413 (output_constant_pool): Use assemble_align.
4415 2001-08-16 Zack Weinberg <zackw@panix.com>
4417 * doc/tm.texi: Remove extra @table command.
4419 2001-08-16 Zack Weinberg <zackw@panix.com>
4421 * final.c (shorten_branches): Clear the end of the label_align
4422 array only if we made it larger. Break up messy expressions
4425 * diagnostic.c (internal_error): Check for error recursion
4426 before doing ICE suppression.
4428 * timevar.c: Timing variables now count in milliseconds.
4429 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4430 (get_time): Not here.
4431 (timevar_print): Don't print any timer whose user, cpu, and
4432 wall times are all zero as displayed.
4433 * timevar.h: Update comment aboout units. Make timevar
4436 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4438 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4439 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4440 (expand_function_start): Likewise.
4441 * stmt.c (expand_decl): Likewise.
4442 * varasm.c (make_decl_rtx): Likewise.
4444 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4446 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4447 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4449 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4451 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4454 2001-08-16 Andreas Jaeger <aj@suse.de>
4456 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4459 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4461 * rtl.h (only_sets_cc0_p): New prototype.
4462 * jump.c (sets_cc0_p): Handle INSN.
4463 (only_sets_cc0_p): New function.
4464 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4465 (tidy_fallthru_edge): Likewise.
4466 * integrate.c (copy_insn_list): Likewise.
4467 * unroll.c (unroll_loop): Likewise.
4468 (copy_loop_body): Likewise.
4470 2001-08-15 Jason Eckhardt <jle@redhat.com>
4472 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4474 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4476 * predict.c (struct block_info_def): Remove nvisited.
4477 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4478 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4480 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4481 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4484 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4486 * predict.def: Update hitrates.
4488 2001-08-15 Richard Henderson <rth@redhat.com>
4490 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4492 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4494 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4495 note from its associated jump.
4497 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4499 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4500 also on 64-bit s390x targets.
4502 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4504 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4506 (arm_expand_prologue): Handled nested functions which take a
4507 variable argument list.
4508 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4509 macro with an invocation of
4510 arm_compute_initial_elimination_offset.
4511 * config/arm/arm-protos.h: Prototype
4512 arm_compute_initial_elimination_offset.
4514 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4516 * doc/install.texi (Specific, avr): Fix markup.
4517 (Specific, c4x): Ditto.
4519 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4521 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4523 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4525 * Makefile.in (OBJS): Add rtl-error.o
4526 (rtl-error.o): New rule.
4527 (diagnostic.o): Adjust dependency.
4528 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4529 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4530 warning_for_asm): Move to...
4531 rtl-error.c: ...here. New file.
4533 2001-08-14 Richard Henderson <rth@redhat.com>
4535 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4536 if USING_SJLJ_EXCEPTIONS.
4538 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4540 * tlink.c (scan_linker_output): Check string for unsatisfied in
4541 addition to undefined and unresolved.
4543 2001-08-14 Graham Stott <grahams@redhat.com>
4545 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4546 EH_FRAME_SECTION_NAME.
4548 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4550 * genattrtab.c (simplify_test_exp_in_temp): New function.
4551 (simplify_test_exp): Avoid explicit use of temporary obstack.
4552 (simplify_cond, insert_right_side, evaluate_eq_attr,
4553 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4554 Use simplify_test_exp_in_temp.
4555 (optimize_attrs): Iterate until expression stabilizes.
4557 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4559 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4560 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4562 2001-08-13 Richard Henderson <rth@redhat.com>
4564 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4565 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4566 * config/arm/conix-elf.h: Likewise.
4568 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4570 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4572 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4574 * gcse.c (hash_scan_set): Expressions that are set as part of
4575 jump instructions are not available.
4577 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4579 * config/s390/s390.c (print_operand, s390_function_prologue,
4580 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4582 2001-08-13 Richard Henderson <rth@redhat.com>
4584 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4585 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4586 * doc/tm.texi (Exception Region Output): Document it.
4588 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4590 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4591 DWARF2 instead of stabs by default.
4593 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4595 * config/rs6000/rs6000.c: Include optabs.h.
4597 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4599 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4600 save/restore routines.
4601 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4603 2001-08-13 Andreas Jaeger <aj@suse.de>
4605 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4606 the english is correct.
4608 2001-08-13 Zack Weinberg <zackw@panix.com>
4610 * expr.h: Split out optab- and libfunc-related code to...
4611 * optabs.h, libfuncs.h: ... these new headers.
4613 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4615 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4617 * mkconfig.sh: Don't include insn-codes.h from config.h.
4619 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4620 enum insn_code is available. Move reload_in_optab and
4621 reload_out_optab array declarations to optabs.h.
4622 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4623 there, prototype in expr.h.
4624 * gencodes.c: Cleanup: zap global variables, don't use
4625 printf where puts will do, don't bother defining MAX_INSN_CODE
4626 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4628 * genemit.c, genopinit.c: Include optabs.h in generated file.
4629 * genoutput.c: Include insn-codes.h in generated file.
4630 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4631 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4632 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4633 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4634 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4635 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4637 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4638 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4639 config/m88k/m88k.c, config/sparc/sparc.c:
4641 * reload.c: Include expr.h and optabs.h before reload.h.
4642 * config/alpha/alpha.c: Include tree.h before reload.h.
4643 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4644 and reload.h in that order.
4645 * config/sparc/sparc.c: Include debug.h.
4646 * recog.c: Include insn-codes.h.
4648 2001-08-13 Andreas Jaeger <aj@suse.de>
4650 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4653 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4655 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4656 * gcc.c (init_spec): Fix typo in comment.
4657 * varasm.c (data_section): Fix typo in comment.
4659 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4661 * predict.c (dump_prediction): New argument "USED".
4662 (combine_predictions_for_insn): Determine the used heuristics,
4663 output the case no heuristic applied.
4664 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4666 2001-08-13 Andreas Jaeger <aj@suse.de>
4668 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4671 2001-08-13 Kazu Hirata <kazu@hxi.com>
4673 * jump.c: Fix formatting.
4675 2001-08-13 Kazu Hirata <kazu@hxi.com>
4677 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4680 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4682 * loop.c (check_dbra_loop): Use condjump_label to compute
4685 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4686 to better document the files they're in.
4688 2001-08-12 Zack Weinberg <zackw@panix.com>
4690 * recog.h (struct insn_operand_data): Shrink 'mode' field
4693 2001-08-12 Kazu Hirata <kazu@hxi.com>
4695 * gcc.c: Fix comment formatting.
4696 * gccspec.c: Likewise.
4699 * genemit.c: Likewise.
4700 * gengenrtl.c: Likewise.
4701 * genrecog.c: Likewise.
4702 * gensupport.c: Likewise.
4703 * ggc-page.c: Likewise.
4704 * global.c: Likewise.
4705 * graph.c: Likewise.
4706 * ifcvt.c: Likewise.
4707 * integrate.c: Likewise.
4709 * libgcc2.c: Likewise.
4711 * mbchar.c: Likewise.
4712 * optabs.c: Likewise.
4713 * predict.c: Likewise.
4714 * prefix.c: Likewise.
4715 * profile.c: Likewise.
4716 * protoize.c: Likewise.
4718 * recog.c: Likewise.
4719 * regclass.c: Likewise.
4720 * regmove.c: Likewise.
4721 * reg-stack.c: Likewise.
4722 * reload1.c: Likewise.
4723 * resource.c: Likewise.
4724 * rtlanal.c: Likewise.
4727 2001-08-12 Kazu Hirata <kazu@hxi.com>
4729 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4730 a tree representing a constant is passed to the macro.
4732 2001-08-12 Richard Henderson <rth@redhat.com>
4734 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4735 (rs6000_elf_asm_out_destructor): New.
4736 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4737 (DTORS_SECTION_ASM_OP): Remove.
4738 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4739 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4741 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4744 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4745 * gcc.c (set_collect_gcc_options): New function, split out from
4747 Ignore elided switches.
4748 (do_spec_1): Invoke before executing command.
4749 (set_input): Export.
4750 Move declaration ...
4751 * gcc.h (set_input): ... here.
4752 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4755 2001-08-12 Richard Henderson <rth@redhat.com>
4757 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4758 thinko wrt TARGET_RELOCATABLE.
4760 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4762 * fix-header.c (cb_file_change): Update prototype.
4764 2001-08-11 Zack Weinberg <zackw@panix.com>
4766 * toplev.c (set_float_handler): Make static.
4767 * toplev.h: Don't prototype set_float_handler.
4769 * simplify-rtx.c: Don't include setjmp.h.
4770 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4772 (simplify_unary_operation, simplify_binary_operation): Use them,
4773 via do_float_handler.
4775 * fold-const.c: Don't include setjmp.h.
4776 (exact_real_inverse_1): New function.
4777 (exact_real_inverse): Use it, via do_float_handler.
4779 * varasm.c: Don't include setjmp.h.
4780 (assemble_real_1): New function.
4781 (assemble_real): Use it, via do_float_handler.
4782 Call internal_error if we get a trap here.
4784 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4785 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4787 2001-08-11 Zack Weinberg <zackw@panix.com>
4789 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4790 STACK_BOUNDARY if not already defined.
4792 * calls.c, function.c, reload1.c, explow.c: Don't default
4793 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4794 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4796 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4799 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4800 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4802 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4804 * cppmacro.c (enter_macro_context): Push macro expansions even
4807 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4809 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4810 (rs6000_elf_section_type_flags): Actually return a value.
4812 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4814 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4815 Clean up code: add missing comments and prototypes, fix warnings,
4816 remove obsolete code, fix spacing to conform to coding style.
4818 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4820 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4821 and TARGET_ASM_CLOSE_PAREN.
4822 (regclass_map): CC register belongs to class NO_REGS.
4823 (legitimize_pic_address): Don't generate unnecessary moves
4824 (to avoid confusing loop optimization).
4825 (check_and_change_labels): Replace jump_long by indirect_jump.
4826 (s390_final_chunkify): Don't start a new literal pool on section
4827 switch in 64-bit code.
4828 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4830 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4831 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4832 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4834 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4835 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4836 (CONST_COSTS): Fixed incorrect costs.
4838 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4839 Use emit_jump instead of emit_jump_insn (gen_jump).
4840 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4841 (to avoid confusing flow analysis).
4842 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4843 (casesi, casesi_jump): New.
4844 (jump_long): Removed. Functionality merged into indirect_jump.
4845 (indirect_jump): Accept address_operand, not just register_operand.
4846 (cjump_long, icjump_long): Use same logic as indirect_jump.
4847 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4848 Fixed broken setjmp/longjmp handling.
4849 (do_builtin_setjmp_setup): Removed.
4851 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4852 broken GNU as versions that don't accept .quad with large
4853 negative values. Use hexadecimal output instead.
4854 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4855 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4856 FUNCTION_EPILOGUE): Removed. Now in targetm.
4858 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4860 * config/s390/fixdfdi.h: Add missing copyright statement.
4861 Fix type conflicts on 64-bit. Add missing SFmode routines.
4863 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4866 2001-08-11 Richard Henderson <rth@redhat.com>
4868 * rtl.h (REG_EH_RETHROW): Remove.
4869 * rtl.c (reg_note_name): Update.
4870 * combine.c (distribute_notes): Don't check for it.
4872 2001-08-11 Richard Henderson <rth@redhat.com>
4874 * combine.c (distribute_notes): Place REG_SETJMP.
4876 2001-08-11 Richard Henderson <rth@redhat.com>
4878 * doc/extend.texi (Arrays and pointers implementation): Discourage
4879 relying on sign-extension of pointers.
4881 2001-08-11 H.J. Lu <hjl@gnu.org>
4883 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4885 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4886 RDATA_SECTION_ASM_OP.
4888 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4890 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4891 main manual to work both for info and HTML versions.
4893 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4894 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4896 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4897 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4898 (struct cpp_pool): New member first.
4899 * cppinit.c (append_include_chain): Plug memory leaks.
4900 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4901 Allocate pragma structures from the (aligned) macro pool to
4902 avoid leaking memory.
4903 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4904 so we don't leak memory.
4905 * hashtable.c (ht_destroy): New.
4906 * hashtable.h (ht_destroy): New.
4908 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4909 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4911 * c-lex.c (map): Make const.
4912 (cb_file_change): Update for callback passing a line map.
4913 Don't assume we have a previous map. Remove sanity check
4914 about popping too many files.
4915 * cpperror.c (print_location): Make map const.
4916 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4917 (cpp_make_system_header): Similarly.
4918 (search_from): Similarly.
4919 (_cpp_execute_include): Don't remember where we came from.
4920 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4921 (struct cpp_reader): Make map const.
4922 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4923 * cpplib.c (do_line): Update; line maps now hold sysp.
4924 (cpp_push_buffer): Similarly.
4925 (_cpp_do_file_change): Similarly; callback with map instead.
4926 (cpp_get_line_maps): Constify return value.
4927 (_cpp_pop_buffer): Update.
4928 * cpplib.h (struct cpp_file_change): Remove.
4929 (struct cpp_callbacks): Update.
4930 (cpp_get_line_maps): Constify return value.
4931 * cppmacro.c (_cpp_create_definition): Update.
4932 * cppmain.c (struct printer): Constify map.
4933 (maybe_print_line): Similarly.
4934 (print_line): Similarly. Deduce flags 1 and 2 here.
4935 (cb_file_change): Update.
4936 * line-map.c (free_line_maps): Warn regardless.
4937 (add_line_map): Return pointer to const. When passed NULL to_file
4938 with LC_LEAVE, use the obvious values for the return point so the
4939 caller doesn't have to figure them out.
4940 (lookup_line): Return pointer to const.
4941 (print_containing_files): Take pointer to const.
4942 * line-map.h (struct line_map): New members reason, sysp.
4943 (add_line_map): Return pointer to const.
4944 (lookup_line): Similarly.
4945 (print_containing_files): Take pointer to const.
4947 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4948 Richard Henderson <rth@redhat.com>
4950 * regmove.c (regmove_optimize): Avoid setting a register twice in
4953 2001-08-10 Richard Henderson <rth@redhat.com>
4955 * doc/extend.texi (Arrays and pointers implementation): Document
4956 behavior of pointer/integer conversion.
4958 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4960 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4962 2001-08-10 Richard Henderson <rth@redhat.com>
4964 * doc/extend.texi (C Implementation): New chapter.
4965 * doc/gcc.texi (Top): Link it in.
4967 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4969 * doc/install.texi (Specific): Fix CVS merge botch.
4971 2001-08-10 Richard Henderson <rth@redhat.com>
4973 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4974 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4976 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4978 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4979 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4980 this macro is now required.
4982 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4983 loop.c (find_and_verify_loops), reload.c (reload): Check
4984 for rtx code of CALL_INSN, not CALL, when deciding if we
4985 need to check for REG_SETJMP note.
4987 * gcse.c (compute_hash_table, compute_store_table): Update
4988 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4991 * config/avr/avr.c: Fix typo.
4992 * config/convex/convex.c (expand_movstr): Use adjust_address.
4993 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4995 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4996 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4998 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4999 Do define STACK_BOUNDARY.
5000 * config/i370/i370.c: Include expr.h.
5001 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5002 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5003 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5004 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5005 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5006 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5007 * config/romp/romp.c: Include expr.h after tree.h.
5009 (output_fpop): Use xmalloc, not oballoc.
5010 * config/we32k/we32k.c: Include expr.h.
5012 2001-08-10 Kazu Hirata <kazu@hxi.com>
5014 * config/h8300/h8300.h: Fix formatting.
5016 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5018 * c-common.h (RETURN_NULLIFIED_P): Lose.
5019 * c-semantics.c (genrtl_return_stmt): Don't check it.
5021 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5023 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5024 (mips_annotate_frame_insn): New function.
5025 (mips_emit_frame_related_store): New function.
5026 (save_restore_insns): Don't mark instructions that set up the base
5027 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5028 the store instructions instead.
5029 (mips_expand_prologue): If the stack size is moved into a temporary
5030 register, do not mark that move as frame-related. Add a
5031 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5033 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5035 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5036 stack slot as unchanging if current_function_calls_eh_return.
5038 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5040 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5041 access the second half of the TFmode scratch operand.
5043 2001-08-10 Anthony Green <green@redhat.com>
5045 * java/class.c (emit_register_classes): Conditionalize code on
5048 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5050 * doc/install.texi (Specific, avr): Fix cross-reference to the
5051 main manual to work both for info and HTML versions.
5053 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5055 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5056 and "use_goto" argument.
5057 (expand_null_return, expand_value_return): Update all callers.
5058 * function.c (expand_function_end): Remove code to generate simple
5060 * config/vax/vax.md (epilogue): New expander for function return.
5061 * doc/md.texi (epilogue): Remove "if defined".
5063 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5065 * Makefile.in: Partially revert my previous change:
5066 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5067 of the hashtab.o and safe-ctype.o rules.
5069 2001-08-09 Richard Henderson <rth@redhat.com>
5071 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5072 (USE_COLLECT2): Remove duplicate definition.
5073 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5074 (use_collect2): Remove dead code.
5075 * configure.in (use_collect2): Remove will_use_collect2 and
5076 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5077 * configure: Rebuild.
5079 * target.h (targetm.asm_out.constructor): New.
5080 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5081 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5082 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5083 * varasm.c (in_ctors, in_dtors): New.
5084 (assemble_constructor, assemble_destructor): Remove.
5085 (default_stabs_asm_out_destructor): New.
5086 (default_named_section_asm_out_destructor): New.
5087 (dtors_section, default_dtor_section_asm_out_destructor): New.
5088 (default_stabs_asm_out_constructor): New.
5089 (default_named_section_asm_out_constructor): New.
5090 (ctors_section, default_ctor_section_asm_out_constructor): New.
5091 * output.h: Update declarations.
5092 * c-decl.c (c_expand_body): Use target hooks instead of
5093 assemble_constructor and assemble_destructor.
5094 * profile.c (output_func_start_profiler): Likewise.
5095 * objc/objc-act.c (finish_objc): Likewise.
5096 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5097 for the constructor.
5098 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5100 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5101 (DTORS_SECTION_ASM_OP): Likewise.
5102 (__CTOR_LIST__): Use attribute section when possible.
5103 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5105 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5106 ASM_OUTPUT_CONSTRUCTOR.
5108 * config/darwin.c (machopic_asm_out_constructor): New.
5109 (machopic_asm_out_destructor): New.
5110 * config/darwin-protos.h: Update declarations.
5111 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5112 (ASM_OUTPUT_DESTRUCTOR): Remove.
5113 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5114 * config/nextstep.c (nextstep_asm_out_constructor): New.
5115 (nextstep_asm_out_destructor): New.
5116 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5117 (ASM_OUTPUT_DESTRUCTOR): Remove.
5118 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5119 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5120 ASM_OUTPUT_*STRUCTOR.
5121 * config/i386/aix386ng.h: Likewise.
5123 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5124 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5125 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5126 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5127 * config/lynx.h: Likewise.
5128 * config/netware.h: Likewise.
5129 * config/psos.h: Likewise.
5130 * config/alpha/alpha-interix.h: Likewise.
5131 * config/alpha/elf.h: Likewise.
5132 * config/arc/arc.h: Likewise.
5133 * config/arm/aof.h: Likewise.
5134 * config/arm/coff.h: Likewise.
5135 * config/arm/elf.h: Likewise.
5136 * config/c4x/c4x.h: Likewise.
5137 * config/h8300/h8300.h: Likewise.
5138 * config/i386/cygwin.h: Likewise.
5139 * config/i386/djgpp.h: Likewise.
5140 * config/i386/i386-coff.h: Likewise.
5141 * config/i386/i386-interix.h: Likewise.
5142 * config/i386/sco5.h: Likewise.
5143 * config/i386/vsta.h: Likewise.
5144 * config/i386/win32.h: Likewise.
5145 * config/i960/i960-coff.h: Likewise.
5146 * config/ia64/sysv4.h: Likewise.
5147 * config/m68hc11/m68hc11.h: Likewise.
5148 * config/m68k/coff.h: Likewise.
5149 * config/m68k/mot3300.h: Likewise.
5150 * config/m88k/m88k.h: Likewise.
5151 * config/mcore/mcore-pe.h: Likewise.
5152 * config/mcore/mcore.h: Likewise.
5153 * config/mips/elf.h: Likewise.
5154 * config/mips/elf64.h: Likewise.
5155 * config/mips/iris6.h: Likewise.
5156 * config/pa/pa64-hpux.h: Likewise.
5157 * config/rs6000/sysv4.h: Likewise.
5158 * config/sh/sh.h: Likewise.
5159 * config/sparc/litecoff.h: Likewise.
5161 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5162 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5163 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5164 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5165 (ASM_OUTPUT_DESTRUCTOR): Remove.
5166 * config/a29k/a29k.c: Move include of tree.h.
5167 * config/a29k/udi.h: Delete file.
5168 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5169 (vms_asm_out_destructor): New.
5170 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5171 (EXTRA_SECTION_FUNCTIONS): Likewise.
5172 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5173 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5174 * config/c4x/c4x.c: Move include of tree.h.
5175 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5176 (clix_asm_out_destructor): New.
5177 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5178 (ASM_OUTPUT_DESTRUCTOR): Remove.
5179 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5180 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5181 (TARGET_ASM_CONSTRUCTOR): New.
5182 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5183 (sco_asm_out_constructor): New.
5184 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5185 * config/i386/svr3gas.h: Remove stack grows up code.
5186 Remove code duplicated from i386/sysv3.h.
5187 (TARGET_ASM_CONSTRUCTOR): New.
5188 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5189 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5190 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5191 (TARGET_ASM_CONSTRUCTOR): New.
5192 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5193 (m68hc11_asm_out_destructor): New.
5194 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5195 (TARGET_ASM_DESTRUCTOR): New.
5196 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5197 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5198 config/svr3.h pertaining to section manipulation.
5199 * config/m68k/dpx2g.h: Remove #if 0 code.
5200 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5201 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5202 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5203 (TARGET_ASM_CONSTRUCTOR): New.
5204 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5205 (m88k_svr3_asm_out_constructor): New.
5206 (m88k_svr3_asm_out_destructor): New.
5207 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5208 (ASM_OUTPUT_DESTRUCTOR): Remove.
5209 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5210 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5211 * config/rs6000/aix.h: Likewise.
5212 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5213 * config/mips/vxworks.h: Likewise.
5214 * config/rs6000/lynx.h: Likewise.
5215 * config/sh/elf.h: Likewise.
5216 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5217 (DTORS_SECTION_ASM_OP): New.
5218 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5219 (ASM_OUTPUT_DESTRUCTOR): Remove.
5220 * config/sparc/sol2-sld-64.h: Likewise.
5221 * config/vax/vax.c (vms_asm_out_constructor): New.
5222 (vms_asm_out_destructor): New.
5223 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5224 (ASM_OUTPUT_DESTRUCTOR): Remove.
5225 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5227 * doc/tm.texi (@node Initialization): Update.
5229 2001-08-09 Richard Henderson <rth@redhat.com>
5231 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5232 (__do_global_dtors_aux): Use gp-relative static data to avoid
5233 one dynamic relocation.
5234 (__do_frame_setup): Register Java classes.
5235 * config/alpha/crtend.asm (__JCR_END__): New.
5237 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5239 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5240 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5241 (GEN, STAGESTUFF): Add new files.
5242 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5243 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5244 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5245 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5246 as well as insn-codes.h and insn-flags.h in config.h; and no
5247 extra headers in tconfig.h and hconfig.h.
5249 * gencodes.c: Eliminate code to generate predicate declarations
5250 or #defines for md-file constants.
5251 * genconstants.c, genpreds.c: New files.
5253 * i386.md: Re-order guard expressions such that TARGET_64BIT
5254 comes first, when this permits better optimization. Add
5255 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5256 why this is desirable.
5258 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5260 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5261 (find_fde_for_dso): Remove.
5262 (_Unwind_IteratePhdrCallback): New.
5263 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5264 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5266 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5268 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5269 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5271 2001-08-09 Graham Stott <grahams@redhat.com>
5273 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5274 (vis_no_unit): Use it.
5275 (visualize_no_unit): Add the insn only if room exists.
5277 2001-08-09 Graham Stott <grahams@redhat.com>
5279 * predict.c (estimate_probability): Replace magic numbers with
5280 appropriate enumeration.
5282 2001-08-09 Graham Stott <grahams@redhat.com>
5284 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5286 (EXTRACT_FLAGS): Likewise.
5288 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5290 * config/mips/mips.c (mips_legitimate_address_p): Check for
5291 CONST_INT in last patch.
5293 2001-08-08 Anthony Green <green@redhat.com>
5295 * java/class.c (emit_register_classes): Use assemble_jcr if
5296 possible. Keep the original mechanism as a fallback.
5297 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5298 and weak symbol support.
5299 * crtstuff.c (__JCR_LIST__): Define.
5300 (__JCR_END__): Define.
5301 (_Jv_RegiserClasses): Define weak symbol if possible.
5302 (__do_global_ctors_aux): Register classes for ELF targets with
5303 weak symbol support.
5305 2001-08-08 Kazu Hirata <kazu@hxi.com>
5307 * dbxout.c: Fix comment formatting.
5308 * dependence.c: Likewise.
5310 * diagnostic.c: Likewise.
5311 * dominance.c: Likewise.
5312 * doprint.c: Likewise.
5313 * dwarf2out.c: Likewise.
5314 * dwarfout.c: Likewise.
5315 * emit-rtl.c: Likewise.
5316 * except.c: Likewise.
5317 * explow.c: Likewise.
5318 * expmed.c: Likewise.
5321 * fold-const.c: Likewise.
5322 * function.c: Likewise.
5324 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5326 * global.c (retry_global_alloc): Avoid shadowing allocno.
5328 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5330 * except.c (remove_fixup_regions): Fix typo.
5332 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5334 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5335 unsigned HOST_WIDE_INT to avoid warning.
5336 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5337 * flow.c (set_block_for_new_insns): Likewise.
5339 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5341 * sibcall.c (return_value_pseudo): New static variable.
5342 (skip_copy_to_return_value): Handle return_value_pseudo.
5343 (call_ends_block_p): Ensure that return_value_pseudo is set.
5344 (optimize_sibling_and_tail_recursive_call): Discover the
5345 load of pseudo return value in alternate exit block.
5347 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5349 * calls.c (ECF_ALWAYS_RETURN): New constant.
5350 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5351 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5352 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5353 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5354 * rtl.c (reg_note_name): New name.
5355 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5357 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5359 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5361 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5363 * alias.c (get_alias_set): Return a previously calculated
5364 alias set for a VAR_DECL.
5365 * function.c (gen_mem_addressof): Calculate the alias set before
5368 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5370 * predict.def: Set hitrates according our experimental run.
5372 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5374 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5376 2001-08-08 H.J. Lu <hjl@gnu.org>
5378 * config/mips/mips.c (mips_unique_section): New. Copied from
5381 * config/mips/mips-protos.h (mips_unique_section): New
5384 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5386 * config/mips/little.h: New. Generic little endian mips
5387 targets. Only mips*-*-linux* is converted to use it so far.
5389 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5390 (WCHAR_TYPE): Defined
5391 (WCHAR_TYPE_SIZE): Likewise.
5392 (INIT_SUBTARGET_OPTABS): Likewise.
5393 (BSS_SECTION_ASM_OP): Likewise.
5394 (SBSS_SECTION_ASM_OP): Likewise.
5395 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5396 (ASM_DECLARE_OBJECT_NAME): Likewise.
5397 (UNIQUE_SECTION): Likewise.
5398 (EXTRA_SECTIONS): Likewise.
5399 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5400 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5401 (ASM_OUTPUT_DEF): Likewise.
5402 (HANDLE_SYSV_PRAGMA): Removed.
5403 (NO_IMPLICIT_EXTERN_C): Likewise.
5404 (TARGET_MEM_FUNCTIONS): Likewise.
5405 (STARTFILE_SPEC): Likewise.
5406 (ENDFILE_SPEC): Likewise.
5407 (LIB_SPEC): Likewise.
5408 (INVOKE__main): Likewise.
5409 (CTOR_LIST_BEGIN): Likewise.
5410 (CTOR_LIST_END): Likewise.
5411 (DTOR_LIST_BEGIN): Likewise.
5412 (DTOR_LIST_END): Likewise.
5413 (SET_ASM_OP): Likewise.
5414 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5415 (ASM_OUTPUT_DEF): Likewise.
5416 (ASM_OUTPUT_IDENT): Likewise.
5418 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5419 (CPLUSPLUS_CPP_SPEC): Likewise.
5420 (ASM_APP_ON) Redefine only if not defined.
5421 (ASM_APP_OFF): Likewise.
5422 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5423 (ASM_OUTPUT_IDENT): Likewise.
5425 * config.gcc: Update tm_file for Linux/mips.
5427 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5429 * cselib.c (cselib_record_sets): If insn is predicated, turn
5430 sources into IF_THEN_ELSEs.
5432 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5433 Turn into define_insn_and_split.
5435 * sched-deps.c: Include "cselib.h".
5436 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5437 Use cselib to turn memory addresses into VALUEs.
5438 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5439 * sched-int.h (struct sched_info): New member USE_CSELIB.
5440 * sched-ebb.c (ebb_sched_info): Initialize it.
5441 * sched-rgn.c (rgn_sched_info): Likewise.
5442 * Makefile.in (sched-deps.o): Update dependencies.
5444 * cselib.h (cselib_subst_to_values): Declare.
5445 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5446 that have no value and autoincs to be handled by generating a new
5449 2001-08-08 Graham Stott <grahams@redhat.com>
5451 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5452 within fixed length SEQUENCE.
5454 2001-08-08 Graham Stott <grahams@redhat.com>
5456 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5457 (diagnostic_prefixing_rule): Likewise.
5458 (diagnostic_line_cutoff): Likewise.
5459 (diagnostic_kind_count): Likewise.
5461 2001-08-08 Graham Stott <grahams@redhat.com>
5463 * alias.c (find_base_decl): Delete redundent assignment.
5465 2001-08-08 Graham Stott <grahams@redhat.com>
5467 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5468 (abs): Uppercase and paranthesize macro parameter.
5469 (MEM_DEPENDENCY): Add whitespace.
5471 2001-08-08 Graham Stott <grahams@redhat.com>
5473 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5474 failure check for CONST_INT
5476 2001-08-08 Graham Stott <grahams@redhat.com>
5478 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5479 (libcall_dead_p): Likewise.
5481 (mark_used_regs): Constify fmt.
5482 (find_use_as_address): Likewise.
5484 2001-08-08 Graham Stott <grahams@redhat.com>
5486 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5489 2001-08-08 Graham Stott <grahams@redhat.com>
5491 * combine.c (combine_simplify_rtx): Update comment and
5492 remove erroneous test.
5494 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5496 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5497 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5498 take care to avoid multiple no-newline at EOF warnings in that
5501 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5503 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5504 (emit_library_call_value_1): Likewise.
5505 (emit_call_1): Emit REG_SETJMP note.
5506 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5508 * cselib.c (cselib_process_insn): Likewise.
5509 * flow.c (propagate_block): Likewise.
5510 * loop.c (find_and_verify_loops): Likewise.
5511 * reload.c (find_equiv_regs): Likewise.
5512 * reload1.c (reload): Likewise.
5513 * resource.c (mark_referenced_resources,
5514 mark_set_resources): Likewise.
5515 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5516 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5517 * haifa-sched.c (unlink_other_notes): Likewise.
5518 (reemit_notes): Likewise.
5519 * sched-ebb.c (sched_ebb): Likewise.
5520 * sched-rgc.c (sched_region): Likewise.
5521 * rtl.c (note_insn_name): Likewise.
5522 (reg_note_name): Add REG_SETJMP
5523 * rtl.h (reg_note): Add REG_SETJMP.
5524 (insn_note): Remove NOTE_INSN_SETJMP.
5526 * profile.c (branch_prob): Add fake edges for setjmp.
5528 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5530 * config.gcc: Quote target_cpu_default2 correctly for
5531 powerpc*-*-* targets.
5533 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5535 * cpplib.h, line-map.h: Update comments.
5536 * cppmain.c (printer_init): Move inline.
5537 (maybe_print_line, print_line): Take a map pointer.
5538 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5539 (cb_file_change): Don't use prior value of print.map.
5541 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5543 * doc/install.texi: Document fine-grained multilib configuration.
5545 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5547 * rtlanal.c (find_first_parameter_load): Call note_stores
5548 only on the instructions.
5550 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5552 * alias.c (nonlocal_mentioned_p):
5553 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5554 * calls.c (emit_call_1): Likewise.
5555 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5556 * cselib.c (cselib_process_insn): Likewise.
5557 * df.c (df_insns_modify): Likewise.
5558 * flow.c (need_fake_edge_p): Likewise.
5559 (propagate_one_insn): Likewise.
5560 * haifa-sched.c (reemit_notes): Likewise.
5561 * integrate.c (copy_insn_list): Likewise.
5562 * jump.c (delete_prior_computation): Likewise.
5563 * local-alloc.c (validate_equiv_mem): Likewise.
5564 * loop.c (scan_loop): Likewise.
5565 * predict.c (estimate_probability): Likewise.
5566 * reload.c (reload): Likewise.
5567 * sched-deps (sched_analyze): Likewise.
5568 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5569 * gcse.c (compute_hash_table): Likewise.
5570 (mark_call): Likewise.
5571 (store_killed_in_insn): Likewise.
5573 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5575 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5577 2001-08-06 Richard Henderson <rth@redhat.com>
5579 * varasm.c (assemble_gc_entry): Remove.
5580 * output.h: Likewise.
5582 2001-08-06 Richard Henderson <rth@redhat.com>
5584 * varasm.c (assemble_constructor): Take a symbol_ref and a
5585 priority instead of a bare string. Move priority handling
5586 here from cp/decl2.c.
5587 * output.h: Update decls.
5589 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5590 and assemble_destructor.
5591 * profile.c (output_func_start_profiler): Likewise.
5592 * objc/objc-act.c (finish_objc): Likewise.
5593 (build_module_descriptor): Return the symbol not the symbol name.
5595 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5597 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5598 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5599 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5600 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5601 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5602 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5604 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5606 * cpperror.c (print_containing_files): Moved to line-map.c.
5607 (print_location): line-map.c handles re-listing or otherwise.
5608 * cpphash.h (struct lexer_state): Remove next_bol.
5609 (struct cpp_buffer): Remove include_stack_listed.
5610 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5611 Remove faked buffer handling.
5612 (_cpp_do_file_change): Tweak.
5613 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5614 * cppmain.c (struct printer): Remove filename.
5615 (print_line, cb_file_change): Update accordingly.
5616 * line-map.c: Include intl.h.
5617 (init_line_maps): Initialize last_listed.
5618 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5619 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5620 (print_containing_files): New.
5621 * line-map.h (struct line_maps): New member last_listed.
5622 (print_containing_files, INCLUDED_FROM): New.
5623 * Makefile.in: Update.
5624 * po/POTFILES.in: Add line-map.c.
5626 2001-08-06 Richard Henderson <rth@redhat.com>
5628 * except.c (convert_from_eh_region_ranges_1): Never mark
5629 USE or CLOBBER insns as throwing.
5631 * expr.c (store_constructor): Don't clobber memory targets.
5633 2001-08-06 Andreas Jaeger <aj@suse.de>
5635 * profile.c (branch_prob): Remove unused variable insn.
5637 * Makefile.in (local-alloc.o): Add dependency on except.h.
5639 * local-alloc.c: Include except.h for can_throw_internal prototype.
5641 2001-08-06 Richard Henderson <rth@redhat.com>
5643 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5644 * function.c (expand_main_function): Implement it.
5645 * doc/tm.texi: Document it.
5647 2001-08-06 Stan Shebs <shebs@apple.com>
5649 * doc/install.texi: Document powerpc-*-darwin* details.
5651 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5653 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5654 (ASM_CPU_SPEC): Move back to rs6000.h
5655 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5657 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5659 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5662 * config/rs6000/linux64.h: Ditto.
5664 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5665 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5668 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5669 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5671 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5674 2001-08-05 Richard Henderson <rth@redhat.com>
5676 * local-alloc.c (update_equiv_regs): Do not move insns that
5679 2001-08-05 Jan Hubicka <jh@suse.cz>
5681 * Makefile.in (reload1.o): Add dedendancy on except.h
5682 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5684 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5685 indicating wehther edges has been cleaned up.
5686 * reload1.c: Inlucde except.h
5687 (fixup_abnormal_edges): Accept deleted insns.
5688 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5691 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5693 * cpplib.c (do_line): Correct line number after pop_buffer.
5695 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5697 PR preprocessor/3824
5698 * line-map.c: Update comments.
5699 * line-map.h: Update comments.
5700 * tradcif.y: Don't consider large numbers unsigned.
5702 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5704 PR preprocessor/3081
5705 * c-lex.c (map): New.
5706 (cb_file_change): Update map and use it.
5707 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5708 (c_lex): Update to use map.
5709 * cpperror.c (print_location): Move to using logical line numbers.
5710 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5711 (cpp_make_system_header): Similarly.
5712 (_cpp_execute_include): Stop line numbering hacks. Store the
5713 line we will return to.
5714 * cpphash.h (CPP_BUF_LINE): Remove.
5715 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5716 Add map and return_to_line.
5717 (_cpp_do_file_change): Update.
5718 * cppinit.c (cpp_start_read): Update line kludge.
5719 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5720 (trigraph_ok): Use logical line numbers for diagnostics.
5721 (skip_block_comment): Likewise.
5722 (skip_whitespace): Likewise.
5723 (skip_line_comment): Use pfile->line instead.
5724 (_cpp_lex_token): Update to use logical line numbering exclusively.
5725 Handle BOL locally. Accept new lines in directives, but keep
5726 pfile->line decremented. Diagnostics use logical lines. Update
5728 * cpplib.c (SEEN_EOL): New.
5729 (skip_rest_of_line, check_eol): Use it.
5730 (end_directive): Increase line number when accepting the newline
5731 at the end of a directive.
5732 (run_directive): Simplify.
5733 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5734 (_cpp_do_file_change): Update to take buffer line number as an
5735 argument, and store the current map in the cpp_reader. Remove
5736 line number kludges.
5737 (_cpp_do__Pragma): Restore output position after a _Pragma.
5738 (cpp_push_buffer): Don't set output line or lineno.
5739 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5740 Remove line kludge. Set output_line.
5741 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5742 (parse_arg): Use logical lines.
5743 (save_lookahead_token): Save EOFs too now.
5744 * cppmain.c (struct printer): Fix comments.
5745 (printer_init): Simplify, let caller do errors.
5746 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5747 (maybe_print_line): Simplify.
5748 (print_line): Don't print a linemarker if -P.
5749 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5750 (cb_file_change): Simplify.
5751 * line-map.h (LAST_SOURCE_LINE): Fix.
5752 (CURRENT_LINE_MAP): New.
5754 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5756 * doloop.c (doloop_modify_runtime): Properly compute number of
5757 iterations if loop was unrolled.
5759 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5760 if their CSELIB_VAL_PTRs are.
5762 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5763 (setup_spill_pointers): Initialize it.
5764 (spill_restore_mem): Set it.
5765 (do_spill, do_restore): Use it to add REG_INC note.
5766 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5768 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5769 asms if other insns are available.
5771 * config/ia64/ia64.c (condop_operator): New predicate.
5772 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5773 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5776 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5777 temporary register than directly using a MEM.
5779 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5781 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5782 parameter in last change.
5784 2001-08-04 Zack Weinberg <zackw@panix.com>
5786 * sparc.md: Don't use #if inside C test expression.
5788 2001-08-04 Richard Henderson <rth@redhat.com>
5790 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5792 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5794 * cpphash.h (struct cpp_reader): New member directive_line.
5795 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5796 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5797 do_pragma): Pass line to callbacks.
5798 (start_directive): Record line of directive.
5799 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5800 cb_include): Similarly.
5801 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5804 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5806 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5809 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5811 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5813 * reload1.c (fixup_abnormal_edges): New static function.
5816 * flow.c (need_fake_edge_p): New function.
5817 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5818 avoid call insn to be very last insn in the insn stream.
5820 * profile.c (branch_prob): Call flow_call_edges_add instead of
5821 doing that by hand; cleanup cfg to re-merge basic blocks once
5824 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5826 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5827 are also on line-map.h.
5828 * cppfiles.c (stack_include_file): Update.
5829 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5830 (_cpp_pop_buffer): New.
5831 * cppinit.c (cpp_destroy, cpp_finish): Update.
5832 (do_includes): Mark each buffer to return at EOF.
5833 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5834 return as requested.
5835 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5836 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5837 * cpplib.h (cpp_pop_buffer): Remove.
5838 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5839 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5841 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5843 (do_preprocessing): Update.
5844 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5845 * c-parse.in (_yylex): Similarly.
5846 * scan-decls.c (scan_decls): Similarly.
5847 * line-map.h: Update comments.
5849 * objc/Make-lang.in (objc-act.o): Update dependencies.
5851 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5853 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5854 and soft register for operand 0.
5855 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5857 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5859 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5860 register for operand 0.
5861 ("bitcmpqi_z_used"): Allow memory for operand 0.
5862 (split "bitcmpqi"): New split to handle address reg as operand 1.
5864 2001-08-04 Andreas Jaeger <aj@suse.de>
5866 * gcse.c: Revert Daniel's last patch.
5868 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5870 * sparc-protos.h: Add prototypes for fp_zero_operand and
5872 * sh-protos.h: Add prototype for fpul_operand.
5874 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5876 * doc/extend.texi (Other Builtins): Fix typo in last change.
5878 2001-08-03 Richard Henderson <rth@redhat.com>
5880 * target.h (gcc_target): Add asm_out.named_section,
5881 section_type_flags, have_named_sections.
5882 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5883 (TARGET_HAVE_NAMED_SECTIONS): New.
5884 (TARGET_SECTION_TYPE_FLAGS): New.
5886 * Makefile.in (toplev.o): Depend on TARGET_H.
5887 (varasm.o, dbxout.o): Likewise.
5888 * c-common.c (decl_attributes): Check targetm.have_named_sections
5889 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5890 * dbxout.c (dbxout_function_decl): Likewise.
5891 (dbxout_function_end): Likewise.
5892 * toplev.c (compile_file): Likewise.
5893 * varasm.c (exception_section): Likewise.
5894 * cp/decl2.c (finish_objects): Likewise.
5896 * defaults.h (EH_FRAME_SECTION): Remove.
5897 (EH_FRAME_SECTION_ASM_OP): Remove.
5898 (EH_FRAME_SECTION_NAME): New.
5899 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5900 (UNIQUE_SECTION_P): Remove.
5901 * dwarf2out.c (SECTION_FORMAT): Remove.
5902 (ASM_OUTPUT_SECTION): Remove.
5903 (output_call_frame_info): Use named_section_flags.
5904 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5905 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5906 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5907 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5908 (named_section_flags): New.
5909 (named_section): Use it and targetm.section_type_flags.
5910 (resolve_unique_section): New.
5911 (assemble_start_function): Use it.
5912 (asm_emit_uninitialised, assemble_variable): Likewise.
5913 (default_section_type_flags): New.
5914 (default_no_named_section, default_elf_asm_named_section): New.
5915 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5916 * output.h: Update varasm.c decls.
5917 (SECTION_*): New flags.
5919 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5920 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5922 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5923 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5924 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5925 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5926 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5927 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5928 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5929 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5930 * config/pa/pa64-hpux.h,
5932 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5933 (TARGET_ASM_NAMED_SECTION): New.
5934 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5935 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5936 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5937 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5938 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5939 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5940 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5941 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5942 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5943 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5944 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5945 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5946 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5947 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5948 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5949 * config/sparc/sysv4.h: Likewise.
5951 * config/nextstep.h: Error until named sections implemented.
5953 * config/a29k/a29k.c (a29k_asm_named_section): New.
5954 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5955 (vms_section_type_flags, vms_asm_named_section): New.
5956 * config/arm/arm.c (arm_elf_asm_named_section): New.
5957 * config/avr/avr.c (asm_output_section_name): Remove.
5958 * config/avr/avr-protos.h: Update.
5959 * config/c4x/c4x.c (c4x_asm_named_section): New.
5960 * config/h8300/h8300.c (h8300_asm_named_section): New.
5961 * config/i386/i386.c (sco_asm_named_section): New.
5962 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5963 (i386_pe_section_type_flags): New.
5964 (i386_pe_asm_named_section): New.
5965 * config/i386/i386-protos.h: Update.
5966 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5967 * config/mcore/mcore.c (mcore_asm_named_section): New.
5968 * config/mips/mips.c (iris6_asm_named_section): New.
5969 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5970 instead of UNIQUE_SECTION_P.
5971 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5972 (xcoff_asm_named_section): New.
5973 * config/sh/sh.c (sh_asm_named_section): New.
5974 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5976 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5977 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5978 (EH_FRAME_SECTION_NAME): New.
5979 (EXCEPTION_SECTION): New.
5980 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5981 (DEBUG_*_SECTION): Remove.
5982 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5983 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5984 (EH_FRAME_SECTION_ASM_OP): Remove.
5986 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5987 (ASM_OUTPUT_SECTION_NAME): Remove.
5988 (TARGET_ASM_NAMED_SECTION): New.
5989 (TARGET_HAVE_NAMED_SECTIONS): New.
5990 (TARGET_SECTION_TYPE_FLAGS): New.
5991 (EH_FRAME_SECTION_ASM_OP): Remove.
5992 (EH_FRAME_SECTION_NAME): New.
5994 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5996 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5997 for complex expressions when cfun == 0.
5998 * doc/extend.texi: Document that __builtin_constant_p can be
5999 used in data initializers as well as functions.
6001 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6003 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6004 variable I locally, instead of expecting a declaration in the
6007 2001-08-03 Richard Henderson <rth@redhat.com>
6009 * except.c (collect_one_action_chain): Add an explicit cleanup
6010 action if regions surrounding a catch were encoded entirely
6011 within the call-site entry.
6013 2001-08-03 Richard Henderson <rth@redhat.com>
6015 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6016 don't take REGNO of a non-register.
6018 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6020 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6021 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6022 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6023 (__gthread_mutex_init_function): New function for mutex initialization.
6025 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6027 * Makefile.in: Revert screwed up commit.
6029 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6031 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6032 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6033 merged by linker script to get a final _exit().
6034 (__do_global_dtors): New for destructor handling in specific exit
6036 (__do_global_ctors): New for constructors in specific install section.
6037 (__map_data_section): Map data sections before running constructors.
6038 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6039 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6040 (DTORS_SECTION_ASM_OP): Likewise.
6041 (CTORS_SECTION_FUNCTION): Define to force a reference to
6043 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6045 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6047 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6049 * Makefile.in: Add df.h to gcse.c dependencies.
6051 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6053 * varasm.c (output_constant_def_contents): Use for the length of a
6054 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6055 depending on which is larger.
6057 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6059 * gcse.c: Include df.h for use as a dataflow analyzer.
6061 Declaration of reg_set_info: gone.
6062 New df_analyzer variable used by store motion.
6063 (reg_set_info): Deleted.
6064 (mark_mem_regs): New function, analyze regs used by a mem.
6065 (store_ops_ok): Use dataflow analyzer results to determine if
6066 necessary regs are changed in the block.
6067 (find_moveable_store): Remove check for symbol ref, we can handle
6068 much more complex expressions now.
6069 (compute_store_table): Remove most of the code, it's unnecessary
6070 now that the dataflow analyzer records the info for us.
6071 (store_killed_after): Add parameter to say whether to do the
6072 store_ops_okay test, used to speed up testing when we already know
6073 the answer, and just want to know if the store itself was killed.
6074 (build_store_vector): Largely rewritten to calculate the various
6075 vectors properly, and somewhat optimized.
6076 (store_motion): Init the df_analyzer, get REG_DEF chains.
6077 Also handle trapping expressions (since mems almost always trap)
6078 (simple_mem): Redefine what a simple mem is.
6080 2001-08-03 DJ Delorie <dj@redhat.com>
6082 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6083 set from a constant part of the condition.
6085 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6087 * mkdeps.c (deps_add_default_target): Make local variable
6088 ``start'' a const char pointer.
6089 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6091 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6093 * doc/install.texi (Configuration): Fix markup.
6094 (Specific, i?86-*-udk): Likewise.
6095 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6097 Document --enable-threads and --enable-libgcj status.
6098 (Specific, mips-sgi-irix*): Canonicalize triples.
6099 (Specific, mips-sgi-irix5): Warn about problems with this config.
6100 Mention required GNU as patch.
6101 Native assembler problems are fixed.
6102 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6103 Document --enable-threads and --enable-libgcj status.
6105 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6107 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6110 2001-08-03 Richard Henderson <rth@redhat.com>
6112 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6115 2001-08-03 Richard Henderson <rth@redhat.com>
6117 * rtlanal.c (find_first_parameter_load): Stop if we
6118 reach a CODE_LABEL at BOUNDARY.
6120 2001-08-03 Richard Henderson <rth@redhat.com>
6122 * config/alpha/alpha.md (force_movdi): New insn.
6123 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6124 Tweek FRP marking of VMS prologue insns.
6125 * config/alpha/vms.h (EPILOGUE_USES): New.
6127 2001-08-02 Richard Henderson <rth@redhat.com>
6129 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6131 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6133 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6134 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6135 config/convex/convex.h, config/d30v/d30v.c,
6136 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6137 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6138 config/mips/mips.h, config/mn10200/mn10200.h,
6139 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6140 config/v850/v850.h, config/vax/openbsd.h,
6141 config/vax/openbsd1.h, config/vax/ultrix.h,
6142 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6143 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6144 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6145 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6146 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6147 in comments and documentation.
6149 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6153 * Makefile.in (line-map.o): New.
6154 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6155 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6156 * cpperror.c (print_containing_files): Similarly.
6157 (print_location): Update. Don't output a space before _Pragma.
6158 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6159 (stack_include_filee, cpp_make_system_header): Update.
6160 (_cpp_execute_include): Get logical line number right for calling
6161 as-yet-unterminated #include.
6162 * cpphash.h (struct cpp_reader): Add line_maps.
6163 (_cpp_do_file_change): Update.
6164 * cppinit.c (cpp_create_reader): Initialize line maps.
6165 (cpp_destroy): Destroy line maps.
6166 (cpp_start_read): Get logical line number right.
6167 * cpplex.c (parse_string): Only warn once for multi-line strings.
6168 Use boolean variable for null warning.
6169 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6171 (do_include_common): End the directive early.
6172 (do_line): Don't warn about out-of-range lines in preprocessed
6173 source. Update. Remove unused variables.
6174 (_cpp_do_file_change): Update for new line mapping.
6175 (pragma_cb): New typedef.
6176 (cpp_register_pragma): Stop looking ahead before calling the
6178 (do_pragma_system_header): End directive early.
6179 (cpp_get_line_maps): New.
6180 (cpp_pop_buffer): Fudge logical line. Update.
6181 * cpplib.h: Include line-map.h
6182 (enum cpp_fc_reason): Remove.
6183 (struct cpp_file_change): Update.
6184 (cpp_get_line_maps): New.
6185 * cppmain.c (struct_printer): New member map.
6186 (cb_file_change): Update for new mappings.
6187 * fix-header.c (cb_file_change): Similarly.
6189 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6191 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6192 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6194 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6196 * config/vax/vax.c: include expr.h.
6198 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6200 * Makefile.in ($(srcdir)/configure): Only rebuild in
6202 ($(srcdir)/config.in): Only define in maintainer mode.
6203 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6205 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6207 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6209 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6211 * gcc.c (set_collect_gcc_options): New function, split out from
6213 Ignore elided switches.
6214 (do_spec_1): Invoke before executing command.
6215 (set_input): Export.
6216 Move declaration ...
6217 * gcc.h (set_input): ... here.
6218 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6221 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6224 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6226 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6228 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6230 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6231 for the unnamed instructions it expands to.
6233 2001-08-02 Richard Henderson <rth@redhat.com>
6235 * regclass.c (call_really_used_regs): Conditionally define.
6236 (init_reg_sets_1): Don't use it if not defined.
6237 (fix_register): Similarly, don't set it.
6239 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6241 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6242 Correct comment that had been missed in the previous change.
6244 2001-08-01 Stan Shebs <shebs@apple.com>
6246 * config/darwin.c (machopic_stub_name): Try matching by name.
6247 (update_stubs): New function.
6248 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6251 2001-08-01 Richard Henderson <rth@redhat.com>
6253 * except.c (output_function_exception_table): Use assemble_align.
6254 * varasm.c (assemble_eh_label): Remove.
6255 (assemble_eh_align, assemble_eh_integer): Remove.
6257 2001-08-01 Robert Lipe <robertl@caldera.com>
6259 * dwarfout.c: Remove reference to README.DWARF.
6261 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6263 * regclass.c (call_really_used_regs): New array for registers which
6264 are actually used by a call.
6265 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6267 (fix_register): Set call_really_used too.
6268 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6269 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6271 2001-08-01 Richard Henderson <rth@redhat.com>
6273 * read-rtl.c (read_name): Consider \r whitespace.
6275 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6277 * config.gcc: Recognize powerpc-*-netbsd*.
6279 * doc/install.texi (Host/target specific installation notes for
6280 GCC): Mention powerpc-*-netbsd*.
6282 * config/rs6000/netbsd.h: New file.
6283 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6284 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6285 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6286 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6287 (TARGET_VERSION): Redefine.
6289 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6290 mcall-netbsd as a match for mcall-sysv.
6291 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6292 (ncrti.S, ncrtn.S): New targets.
6293 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6295 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6296 "netbsd' as a V4 ABI.
6297 (ASM_SPEC): Check for -mcall-netbsd.
6298 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6299 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6300 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6301 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6302 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6303 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6304 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6306 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6307 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6309 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6311 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6312 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6313 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6314 including "unwind-pe.h".
6316 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6318 * rs6000.md (define_splits): Kill unused constraints.
6320 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6321 Jan Hubicka <jh@suse.cz>
6323 * function.c (thread_prologue_and_epilogue_insns): Kill code
6324 dealing with non-existent CFG.
6326 2001-08-01 Kazu Hirata <kazu@hxi.com>
6328 * alias.c: Fix comment formatting.
6329 * bitmap.c: Likewise.
6330 * builtins.c: Likewise.
6331 * calls.c: Likewise.
6332 * c-common.c: Likewise.
6333 * c-decl.c: Likewise.
6334 * c-dump.c: Likewise.
6335 * c-lex.c: Likewise.
6336 * collect2.c: Likewise.
6337 * combine.c: Likewise.
6338 * conflict.c: Likewise.
6339 * cppfiles.c: Likewise.
6340 * cppinit.c: Likewise.
6341 * cpplex.c: Likewise.
6342 * cpplib.c: Likewise.
6343 * cppmacro.c: Likewise.
6344 * cppspec.c: Likewise.
6345 * c-pragma.c: Likewise.
6346 * crtstuff.c: Likewise.
6348 * cselib.c: Likewise.
6349 * c-semantics.c: Likewise.
6350 * c-typeck.c: Likewise.
6352 2001-08-01 H.J. Lu <hjl@gnu.org>
6354 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6356 2001-08-01 H.J. Lu <hjl@gnu.org>
6358 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6360 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6362 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6363 contextualizing Objective-C class name lookup by the lexer.
6364 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6366 (protocoldef): Add support for forward @protocol declarations.
6367 (yylexname): Suppress ObjC class name lookup in certain contexts;
6368 re-enable after lookup is complete.
6369 (_yylex): Re-enable ObjC class name lookup when certain
6370 punctuation marks are seen.
6372 * objc/objc-act.c (check_protocol_recursively): New function used
6373 for finding circular dependencies in protocols.
6374 (objc_declare_protocols): New function for handling forward
6375 @protocol declarations.
6376 (receiver_is_class_object): Detect the case when 'self' is used
6377 inside of a class method.
6378 (build_message_expr): Issue a warning if class method is desired
6379 but instance method is found instead.
6380 (conforms_to_protocol): Streamline.
6381 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6382 protocol Foo, even if 'Bar foo' does not.
6383 (check_protocols): Streamline.
6384 (start_protocol): Add checks for circular and duplicate protocol
6386 (encode_aggregate_within): For typedefs of structs, encode the
6388 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6389 (objc_declare_protocols): New prototype.
6391 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6393 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6394 * cpplex.c (handle_newline): Update prototype. Maintain logical
6396 (skip_escaped_newlines, skip_block_comment, parse_string):
6398 (_cpp_lex_token): Update, and store token position within the token.
6399 * cpplib.h (struct cpp_token): Add line and column entries.
6400 * cppmacro.c (replace_args): Position stringified tokens correctly.
6402 2001-08-01 Andreas Jaeger <aj@suse.de>
6404 * basic-block.h: Add prototype for last_loop_beg_note.
6406 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6408 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6409 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6411 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6412 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6413 expand_decl_cleanup.
6414 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6416 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6417 operand while calling simple_cst_equal.
6418 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6419 operand is the cleanup expression, the third is the RTL_EXPR.
6420 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6422 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6424 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6426 2001-07-31 matthew green <mrg@eterna.com.au>
6428 * config.gcc (i386-*-netbsdelf): New description.
6429 * config/i386/netbsd-elf.h: New file.
6431 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6433 * loop.c (check_dbra_loop): Use single_set to compute
6436 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6438 PowerPC reorg and support for powerpc64-*-linux*.
6440 Also fixes emitting of constants on 32 bit and 64 bit
6443 * config.gcc: powerpc64-*-linux* is a new target.
6444 Things that needed aix.h now also include xcoff.h
6446 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6448 Move AIX specific stuff into aix.h.
6449 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6450 with more than just XCOFF now.
6451 (SET_ASM_OP): Remove, now defined where needed.
6452 (FUNCTION_PROLOGUE): New macro definition.
6453 (FUNCTION_EPILOGUE): New macro definition.
6454 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6456 * config/rs6000/xcoff.h: New file.
6458 * config/rs6000/linux64.h: New file.
6460 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6462 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6464 * rs6000.c (print_operand_address): Handle ELF syntax.
6465 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6466 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6467 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6469 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6471 * rs6000.c (rs6000_override_options): Only disable
6472 flag_function_sections for XCOFF.
6473 (exact_log2_cint_operand): New predicate.
6474 (reg_or_{add,sub}_cint64_operand): New predicates.
6475 (add_operand): Compare CONST_INT with fewer function calls.
6476 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6477 (print_operand, case 'p'): Ensure positive operand.
6478 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6479 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6480 (PREDICATE_CODES): Add new predicates.
6481 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6482 (divsi3, modsi3): Ensure positive power-of-2.
6483 (adddi3): Use new predicate. Split 32-bit constants more
6484 correctly. Re-arrange splitter to handle any constant.
6485 (subdi3): Use new predicate.
6486 (divdi3, moddi3): Ensure positive power-of-2.
6487 (movdi): Use rs6000_emit_set_const.
6488 (load_toc_v4_pic_di): Delete.
6490 2001-07-31 Graham Stott <grahams@redhat.com>
6492 * function.c (pad_below): Revert 2001-07-26 patch.
6494 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6496 * reg-stack (convert_regs_1): Fix best edge condition.
6498 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6500 * jump.c (duplicate_loop_exit_test): Better test for jumps
6501 entering the loop; create loop pre_header.
6503 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6505 * doc/install.texi: Add s390 and s390x as new targets.
6506 * doc/invoke.texi: Add documantation of S/390 and zSeries
6508 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6510 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6512 * config/m68k/m68k.md: Replace all general_operand with
6513 nonimmediate_operand for all destinations.
6514 * config/m68k/m68k.c (not_sp_operand): Likewise.
6516 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6518 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6520 2001-07-30 Richard Henderson <rth@redhat.com>
6522 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6523 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6525 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6527 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6528 Add missing doc strings
6529 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6530 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6532 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6534 * i386.c (ix86_output_main_function_alignment_hack): New function.
6535 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6537 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6538 edges by EDGE_DFS_BACK flag.
6539 (dump_edge_info): Add dfs_back flag.
6540 * basic-block.h (EDGE_DFS_BACK): New constant.
6541 (mark_dfs_back_edges): Declare.
6542 * alias.c (loop_p): Remove.
6543 (mark_constant_function): Use mark_dfs_back_edges.
6545 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6546 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6547 (compensate_edge): Break out from ...
6548 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6549 (convert_regs_2): Set block_done once block is really done;
6550 Do updating of the predecesors counts.
6552 * toplev.c (rest_of_compilation): Recompute block_for_insn
6553 before post-reload cfg_cleanup.
6554 * function.c (thread_prologue_epilogue_insns):
6555 Call set_block_for_new_insns when emitting prologue directly.
6557 2001-07-30 Andreas Jaeger <aj@suse.de>
6559 * jump.c: Add prototype for mark_modified_reg.
6561 * cse.c (set_live_p): Add unused attribute.
6563 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6565 (scan_for_source_files): Use long for count to avoid overflow.
6566 (output_data): Likewise.
6567 (output_data): Don't use string concatatenation to silence gcc
6570 * predict.c: Fix typos and grammar.
6572 * gcse.c (insert_insn_end_bb): Remove unused variables.
6574 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6576 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6577 (attempt_auto_inc): LIkewise.
6578 (mark_used_reg): Likewise.
6579 (try_pre_increment_1): Likewise.
6580 * regclass.c (regclass): Likewise.
6581 * global.c (allocno_compare): Update comment; change scaling factor.
6582 * local-alloc.c (QTY_CMP_PRI): Likewise.
6583 * regs.h (REG_FREQ_FROM_BB): New.
6584 (REG_FREQ_MAX): Likewise.
6586 2001-07-30 H.J. Lu <hjl@gnu.org>
6588 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6591 2001-07-30 H.J. Lu (hjl@gnu.org)
6593 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6594 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6595 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6597 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6599 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6600 as -mthumb-interwork when -mcpu=arm7 is specified.
6602 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6604 * predict.def (noreturn, loop branch, loop exit): Mark as first
6607 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6609 * combine.c (try_combine): Avoid barrier after noop jumps.
6611 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6613 * cpphash.h (struct cpp_reader): Remove import_warning.
6614 * cpplib.c (skip_rest_of_line): Don't bother turning off
6616 (parse_include): Move include handling to...
6617 (do_include_common): ... here. Move import warning from...
6618 (do_import): ... here.
6619 (do_pragma_poison): Don't do a callback for poison identifiers.
6620 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6621 * cppmain.c (setup_callbacks): Similarly.
6623 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6625 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6626 handle multiple sets.
6627 * except.c (sjlj_mark_call_sites): .... here.
6628 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6630 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6632 Suggested by Richard Henderson and Richard Kenner:
6633 * combine.c (recog_for_combine): Use the fake recog
6634 only if instruction does not match.
6635 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6636 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6638 * combine.c (try_combine): Discover noop jump as direct jump.
6640 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6642 * df.c (df_rd_global_compute): Add successors to worklist, not
6644 (df_ru_global_compute): Ditto.
6646 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6648 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6649 increment REG_N_SETS.
6651 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6653 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6655 * sbitmap.c (sbitmap_a_xor_b): New function.
6656 ifdef the basic block stuff on IN_GCC.
6658 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6660 * cppexp.c (parse_defined): Always record the macro name.
6661 (lex): Don't worry about identifiers, or special-case
6663 (_cpp_parse_expr): Figure out at the end of the routine
6664 whether we saw a valid !defined() expression.
6665 * cppfiles.c (stack_include_file): Update for mi_valid.
6666 (_cpp_pop_file_buffer): Similarly.
6667 * cpplex.c (_cpp_lex_token): Similarly.
6668 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6669 mi_if_not_defined, mi_lexed): Remove.
6671 * cpplib.c (do_if): Simplify.
6672 (do_endif, push_conditional, _cpp_handle_directive): Update
6673 for renaming of mi_state to mi_valid.
6675 * cpp.texi: Add index entries for digraphs, and add comment
6676 that C++ refers to them as alternative tokens.
6678 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6680 * basic-block.h (CLEANUP_PRE_LOOP): New.
6681 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6682 * sibcall.c (optimize_sibling_calls): Likewise.
6683 * toplev.c (rest_of_compilation): Likewise.
6684 * flow.c (try_forward_edges): Take argument MODE;
6685 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6686 (try_optimize_cfg): Update call of try_forward_edges.
6688 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6689 Jan Hubicka <jh@suse.cz>
6691 * (validate_replace_rtx_1): Fix simplification of MINUS.
6693 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6695 PR preprocessor/3669
6696 * cppinit.c (init_dependency_output): Turn off dump requests
6697 if sending dependencies to stdout.
6699 2001-07-28 Richard Henderson <rth@redhat.com>
6701 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6704 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6706 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6708 2001-07-28 Kazu Hirata <kazu@hxi.com>
6710 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6711 is VAR_DECL first to prevent an ICE.
6713 2001-07-28 Richard Henderson <rth@redhat.com>
6715 * varasm.c (immed_real_const_1): Don't elide special cases for
6717 (clear_const_double_mem): Clear const_tiny_rtx too.
6719 2001-07-28 Richard Henderson <rth@redhat.com>
6721 * dwarf2out.c (dw_val_class_offset): New.
6722 (struct dw_ranges_struct, dw_ranges_ref): New.
6723 (ranges_table, ranges_table_allocated): New.
6724 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6725 (add_AT_offset, add_ranges, output_ranges): New.
6726 (print_die, output_die): Handle dw_val_class_offset.
6727 (attr_checksum, size_of_die, value_format): Likewise.
6728 (gen_lexical_block_die): Handle non-contiguous blocks.
6729 (gen_block_die): Likewise.
6730 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6731 if needed. Dump the ranges table.
6732 * final.c (final_start_function): Remove unnecessary notes and
6733 rebuild the block tree before numbering the blocks.
6734 * function.c (reorder_blocks_0): Walk the existing block tree
6735 to unmark all blocks.
6736 (reorder_blocks_1): Create block fragments when duplicate block
6738 (reorder_fix_fragments): New.
6739 (reorder_blocks): Call it.
6740 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6742 2001-07-28 Richard Henderson <rth@redhat.com>
6744 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6746 2001-07-28 Richard Henderson <rth@redhat.com>
6748 * flow.c (add_to_mem_set_list): New function.
6749 (init_propagate_block_info): Use it.
6750 (mark_set_1): Likewise.
6751 (insn_dead_p): Canonicalize memory address for dead store
6752 comparison. Allow wider mode stores to kill narrower mode stores.
6753 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6754 (invalidate_mems_from_set): Don't handle MEMs.
6756 2001-07-28 Kazu Hirata <kazu@hxi.com>
6758 * config/h8300/h8300.h: Fix formatting.
6760 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6762 * basic-block.h (EDGE_FREQUENCY): New macro.
6763 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6765 * flow.c (find_sub_basic_blocks): Likewise.
6766 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6767 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6769 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6770 (HITRATE): New macro.
6771 (PRED_FLAG_FIRST_MATCH): New constant.
6772 (predictor_info): New field flgags.
6773 (combine_predictions_for_insn): Use DS theory to combine
6774 probabilities; set the edge probabilities when finished.
6775 (estimate_probability): Avoid duplicated matches
6776 of LOOP_BRANCH heuristics for nested loops; update comment.
6777 * predict.def: Add flags for each prediction, set probabilities
6778 according to B&L paper.
6779 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6781 * profile.c (compute_branch_probabilities): Cleanup way the edge
6782 probabilities are computed and REG_BR_PROB notes are dropped; if
6783 values does not match, emit error.
6784 (init_branch_prob): Do error instead of warning when profile driven
6785 feedback is missing or corrupt.
6787 2001-07-27 DJ Delorie <dj@redhat.com>
6789 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6790 against a constant, try to adjust the compare to have the desired
6791 constant in it so that min/max optimizations happen more often.
6793 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6795 * flow.c (last_loop_beg_note): New function.
6796 (redirect_edge_and_branch): Use it.
6797 (split_edge): Likewise.
6799 * alias.c (loop_p): Avoid uninitialized memory access.
6801 * flow.c (try_forward_edges): Avoid accessing freed memory.
6803 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6806 2001-07-26 Andrew Haley <aph@redhat.com>
6807 Joern Rennecke <amylaar@redhat.com>
6809 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6810 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6811 (SUBTARGET_CPP_SPEC): New.
6813 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6814 (SUBTARGET_CPP_PTR_SPEC): New.
6815 (CPP_DEFAULT_CPU_SPEC): New.
6816 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6817 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6818 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6819 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6820 (SUBTARGET_CPP_SPEC): Define as an empty string.
6822 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6824 * doc/install.texi (Configuration): Properly link the host
6825 specific instructions also when generating HTML.
6827 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6829 * flow.c (redirect_edge_and_branch_force): Test
6830 target->global_live_at_start.
6832 2001-07-26 Richard Henderson <rth@redhat.com>
6834 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6835 * rtl.h (avoid_constant_pool_reference): Declare it.
6836 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6837 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6839 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6841 * rtl.h (cleanup_barriers): Declare.
6842 * jump.c (cleanup_barriers): New function.
6843 * toplev.c (rest_of_compilation): Call cleanup_barriers
6844 before loop optimizer and after bb_reorder.
6846 * flow.c (back_edge_of_syntactic_loop_p): New.
6847 (split_edge): Use it.
6849 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6851 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6853 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6855 * cse.c (cse_process_notes): Replace any registers if the address
6858 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6860 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6861 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6862 (propagate_block): Update prototype.
6863 * flow.c (update_life_info): Simplify the CFG and
6864 recalculate the global regs which are alive when
6865 removing dead code during a global update.
6866 (propagate_block): Return non-zero if an INSN is
6869 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6871 * Makefile.in (LIBICONV): Define.
6873 2001-07-26 Catherine Moore <clm@redhat.com>
6875 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6876 of conditional to avoid tree checking errors.
6878 2001-07-26 Kazu Hirata <kazu@hxi.com>
6880 * regmove.c (regmove_optimize): Don't replace a reg with
6881 another reg of a different mode.
6883 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6885 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6886 limit length of dependancy flush list.
6887 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6888 * sched-int.h (struct deps): Add pending_flush_length field.
6889 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6890 has 1 element in it.
6891 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6892 (sched_analyze): After a jump, if the pending memory flush list is too
6893 large, flush the pending lists.
6894 (init_deps): Initialize pending_flush_length to 0.
6895 * doc/invoke.texi (max_pending_list_length): Document parameter.
6897 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6899 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6900 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6901 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6903 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6905 * cpphash.h (struct_lexer_state): Delete was_skipping.
6906 Move skipping here from struct cpp_reader.
6907 * cpplex.c (parse_identifier): Update.
6908 (_cpp_lex_token): Don't skip tokens in a directive.
6909 * cpplib.c (struct if_stack): Update.
6910 (start_directive, end_directive): Don't change skipping state.
6911 (_cpp_handle_directive): Update.
6912 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6913 (do_else, do_endif): Update; only check for excess tokens if not
6914 in a skipped conditional block.
6915 (push_conditional): Update for new struct if_stack.
6917 2001-07-26 Graham Stott <grahams@redhat.com>
6919 * function.c (locate_and_pad_parm): Also pad initial offset
6920 so that the total argument size also includes the padding.
6922 2001-07-26 Graham Stott <grahams@redhat.com>
6924 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6925 change XSTR to XTMPL.
6927 (process_one_cond_exec): Likewise
6929 2001-07-25 Richard Henderson <rth@redhat.com>
6931 * varasm.c (assemble_variable): Create DECL_RTL before setting
6934 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6936 * predict.c (estimate_probability): Avoid duplicated predictions.
6938 * loop.c (find_and_verify_loops): Grok multiple barriers.
6940 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6942 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6944 * dbxout.c: Consistently use putc instead of fputc.
6945 (print_wide_int): New function; call instead of direct fprintf.
6946 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6947 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6948 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6949 (print_int_cst_octal): Likewise.
6950 (print_octal): Show we wrote characters.
6951 (dbxout_type): Set have_used_extensions in more places.
6953 2001-07-25 Catherine Moore <clm@redhat.com>
6955 * config/v850/v850.c (v850_va_arg): Use addr
6956 instead of valist to build incr.
6958 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6960 * flow.c (delete_dead_jumptables): New function.
6961 (life_analyzis): Call it.
6962 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6965 2001-07-25 Richard Henderson <rth@redhat.com>
6967 * except.c (reachable_handlers): Handle a region being removed
6968 out from under a RESX.
6970 2001-07-25 Richard Henderson <rth@redhat.com>
6972 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6973 swap GE/GT if it is an fp comparison.
6975 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6977 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6980 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6982 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6983 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6986 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6988 (visit_expression): When attempting to simplify an expression,
6989 retrieve any modes for arguments before they are simplified
6992 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6993 Janis Johnson <janis@us.ibm.com>
6995 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6996 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6997 pointer parameters to match documented usage of nonlocal_goto.
6998 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6999 parameters to their correct order.
7000 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7001 parameters to their correct order.
7003 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7005 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7007 2001-07-25 Jan Hubicka <jh@suse.cz>
7008 Richard Henderson <rth@redhat.com>
7010 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7012 (make_edges): New argument update_p; populate the edge cache if set.
7013 (find_basic_blocks): Update make_edges invocation.
7015 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7017 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7019 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7021 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7022 -Acpu and -Amachine.h.
7023 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7024 Corrected header to say ELF not a.out.
7025 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7026 when given -msoft-float.
7028 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7030 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7031 extra multilib parts like arm-elf.
7032 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7033 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7034 crtfini.o as extra multilib parts.
7036 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7038 * configure.in: Add rtems as a supported thread model.
7039 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7040 * configure: Rebuilt.
7042 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7044 * stor-layout.c (get_mode_alignment): make it work when
7045 BITS_PER_UNIT is not a power of two.
7046 * builtins.c (get_pointer_alignment): Likewise.
7048 2001-07-24 Richard Henderson <rth@redhat.com>
7050 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7051 the retrieved constant into the expected mode.
7053 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7055 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7056 (verify_flow_info): Check for duplicated edges; clarify
7059 * flow.c (block_label): Update basic_block_for_insn.
7060 (commit_edge_insertions): Call compute_bb_for_insn.
7062 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7065 * flow.c (redirect_edge_and_branch,
7066 try_optimize_cfg): Use redirect_edge_succ_nodup
7067 (redirect_edge_succ_nodup): New.
7068 * basic_block.h (redirect_edge_succ_nodup): Declare.
7070 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7073 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7075 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7076 (try_crossjump_to_edge): Update commetns.
7077 (try_crossjump_bb): Likewise.
7079 2001-07-24 Richard Henderson <rth@redhat.com>
7081 * combine.c (distribute_notes): Move set of need_refresh
7082 for noop_move_p down to catch all cases.
7084 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7086 * recog.c (split_all_insns_noflow): New.
7087 * rtl.h (split_all_insns_noflow): Declare.
7088 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7089 * m68hc11.c (m68hc11_reorg): Likewise.
7090 * sh.c (machine_dependent_reorg): Likewise.
7091 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7094 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7096 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7097 (ashlsi3_n splitter): Likewise.
7098 (lshrsi3_n splitter): Likewise.
7100 (GOTaddr2picreg): Make const SImode.
7101 (sym_label2reg): Likewise.
7102 (symGOT2reg): Likewise.
7103 (symGOTOFF2reg) Likewise.
7105 (casesi_worker_0): Make unspec SImode.
7107 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7109 * config/sh/sh.c (barrier_align): Check that an operand really is
7110 an insn before extracting its INSN_CODE.
7112 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7114 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7117 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7118 for SImode to prevent overflow.
7120 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7122 * config/mips/irix6-libc-compat.c: New file.
7123 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7124 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7127 2001-07-24 lars brinkhoff <lars@nocrew.org>
7129 * rtl.texi (REG_POINTER): Document.
7130 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7131 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7133 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7135 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7137 2001-07-23 Richard Henderson <rth@redhat.com>
7139 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7141 2001-07-23 Kazu Hirata <kazu@hxi.com>
7143 * config/h8300/h8300-protos.h: Add a prototype for
7144 general_operand_dst_push.
7145 * config/h8300/h8300.c (general_operand_dst_push): New.
7146 * config/h8300/h8300.h (OK_FOR_T): New.
7147 (EXTRA_CONSTRAINT): Use it.
7148 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7149 the existing movqi pattern.
7150 (movhi_push): Likewise.
7152 * reload.c: Fix comment typos.
7154 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7156 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7158 2001-07-23 H.J. Lu (hjl@gnu.org)
7160 * doc/extend.texi: Update __builtin_return_address and
7161 __builtin_frame_address.
7163 2001-07-23 Richard Henderson <rth@redhat.com>
7165 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7167 * config/i386/i386.md: New setcc+movzbl peephole2.
7169 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7171 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7172 * objc/objc-act.c: Include debug.h.
7173 (synth_module_prologue): Save and restore debug hooks too.
7175 2001-07-23 lars brinkhoff <lars@nocrew.org>
7177 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7178 and C4X_FLOAT_FORMAT.
7179 (BOOL_TYPE_SIZE): Document.
7181 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7183 * unroll.c (loop_iterations): Fix miscalculation of initial
7186 2001-07-13 Andrew Haley <aph@redhat.com>
7188 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7189 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7190 * config/sh/sh.c (sh_can_redirect_branch): New function.
7191 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7192 * reorg.c (steal_delay_list_from_target): Use
7193 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7195 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7197 * flow.c (try_simplify_condjump): Unlink insn chain on
7198 fallthru edge; use can_fallthru.
7200 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7202 * basic-block.h (find_sub_basic_block): Declare.
7203 * flow.c (make_edges): New arguments MIN and MAX;
7204 (find_sub_basic_blocks): Revamp to use make_edges
7205 and purge_dead_edges.
7206 (find_basic_blocks): Update call of find_sub_basic_block.
7208 * recog.c (split_all_insns): Always expect CFG to be consistent;
7209 call find_sub_basic_blocks in case something has changed.
7210 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7213 * basic-block.h (delete_noop_moves): Declare.
7214 * combine.c (combine_instructions): Call it.
7215 (recog_for_combine): Tolerate noop moves
7216 (distribute_notes): Force refresh when register dies at noop move.
7217 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7219 (life_analysis): Update delete_noop_moves call.
7220 (set_noop_p): Move too ...
7221 * rtlanal.c (noop_move_p): ... here.
7222 * rtl.h (noop_move_p): Declare.
7224 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7225 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7227 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7228 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7230 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7232 * reload.c (push_reload): Fix typo in comment.
7233 (find_reloads_address): Ditto.
7234 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7236 2001-07-22 Richard Henderson <rth@redhat.com>
7238 * flow.c: Grammar check and clarify a lot of comments.
7239 (try_simplify_condjump): Rename variables to be clearer.
7240 (try_forward_edges): Skip complex and fallthru edges.
7241 Rearrange tests to avoid duplicate checks.
7242 (flow_find_cross_jump): Likewise.
7243 (outgoing_edges_match): Allow match if neither branch has
7244 probability data. Loosen probability match to 5%.
7245 (try_crossjump_to_edge): Hoist repeated indirection into
7247 (try_crossjump_bb): Don't check complex edges. Eliminate
7248 redundant crossjump tests.
7249 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7250 checks before more expensive checks.
7252 2001-07-22 Richard Henderson <rth@redhat.com>
7254 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7255 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7258 2001-07-22 Richard Henderson <rth@redhat.com>
7260 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7261 (const_sint32_operand): Likewise.
7262 * m68k.md (anon mulsi pattern): Use const_int_operand not
7263 const_sint32_operand.
7264 (umulsi3_highpart): Zero extend a constant input.
7265 (smulsi3_highpart): Don't bother checking SImode constant.
7266 (const_umulsi3_highpart): Give op3 DImode.
7267 (const_smulsi3_highpart): Likewise.
7269 2001-07-22 Richard Henderson <rth@redhat.com>
7271 * flow.c (split_block): Make sure bb_note is included in the
7272 new block when splitting before a label.
7274 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7276 * basic-block.h (redirect_edge_and_branch_force,
7277 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7278 * flow.c (redirect_edge_and_branch_force,
7279 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7280 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7281 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7282 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7283 instead of label; update CFG after transformation.
7284 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7285 for finishing the transformation; handle even case where ELSE
7286 does not follow THEN.
7287 (find_if_case_2): Update call of dead_or_predictable; simplify
7290 * emit-rtl.c (split_branch_probability): New global variable.
7291 (try_split): Take care to set split_branch_probability and
7292 create REG_BR_PROB note for new jump insns.
7293 * md.texi (define_split): Document new feature.
7295 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7297 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7299 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7300 (asm_out_file): Remove redundant declaration.
7301 (assemble_asm): Remove old #if 0 block.
7302 (assemble_variable): Remove end of function; debug output is
7303 now handled with global_decl. Remove old #if 0 block. Update.
7304 Remove saved_in_section and associated no-op code.
7305 * Makefile.in (varasm.o): Correct dependencies.
7307 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7309 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7310 the definition in defaults.h.
7312 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7314 * jump.c: Update comments.
7315 (delete_barrier_successors, delete_unreferenced_labels,
7316 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7317 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7318 jump_optimize, jump_optimize_minimal): Kill.
7319 (rebuild_jump_labels): Move code from jump_optimize_1.
7320 (purge_line_number_notes): Likewise.
7321 (copy_loop_headers): Likewise.
7322 * reg-stack.c: Update comment.
7324 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7325 JUMP_AFTER_REGSCAN): Kill.
7326 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7327 purge_line_number_notes and copy_loop_headers.
7329 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7330 Richard Henderson <rth@redhat.com>
7332 * dbxout.c (dbxout_global_decl): New.
7333 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7334 * sdbout.c (sdbout_finish): New.
7335 (sdbout_debug_hooks): Use it, add comments.
7336 (sdbout_global_decl): Defer initialised public vars to
7338 * varasm.c (assemble_variable): Don't output debug information
7339 for file-scope variables.
7341 2001-07-22 Richard Henderson <rth@redhat.com>
7343 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7344 (get_round_mode_suffix): New.
7345 (print_operand): Use them for [/]. Remove support for [&'`()+].
7346 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7347 * config/alpha/alpha.md (attr round_suffix): New.
7348 (attr trap_suffix): New.
7349 (all insns): Set them appropriately. Use %/ instead of the
7352 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7354 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7356 2001-07-22 Richard Henderson <rth@redhat.com>
7358 * regrename.c (regrename_optimize): Compute nregs for each
7359 potential target register.
7361 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7362 Richard Henderson <rth@redhat.com>
7364 * dbxout.c (dbxout_global_decl): New.
7365 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7366 * sdbout.c (sdbout_finish): New.
7367 (sdbout_debug_hooks): Use it, add comments.
7368 (sdbout_global_decl): Defer initialised public vars to
7370 * varasm.c (assemble_variable): Don't output debug information
7371 for file-scope variables.
7373 2001-07-21 H.J. Lu (hjl@gnu.org)
7375 * config/mips/mips.c (mips_cpu): Moved into ...
7376 (override_options): Here.
7378 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7380 (mips_cpu): Removed.
7382 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7384 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7385 ("iorqi3"): Likewise.
7386 ("xorqi3"): Likewise.
7387 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7388 ("*subhi3_sp): Likewise.
7389 ("*subhi3"): Likewise.
7390 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7393 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7395 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7396 * config/freebsd.h: Likewise.
7397 * config/linux.h: Likewise.
7398 * config/openbsd.h: Likewise.
7399 * config/alpha/linux-elf.h: Likewise.
7400 * config/arm/linux-elf.h: Likewise.
7401 * config/d30v/d30v.h: Likewise.
7402 * config/fr30/fr30.h: Likewise.
7403 * config/ia64/aix.h: Likewise.
7404 * config/ia64/ia64.h: Likewise.
7405 * config/mips/linux.h: Likewise.
7406 * config/pj/pj.h: Likewise.
7407 * config/rs6000/linux.h: Likewise.
7408 * config/sparc/linux.h: Likewise.
7409 * config/sparc/linux64.h: Likewise.
7411 2001-07-20 Bruce Korb <bkorb@gnu.org>
7413 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7414 because getc() and char* may disagree on signedness.
7416 2001-07-20 Richard Henderson <rth@redhat.com>
7418 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7420 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7421 insns to delete in the presence of cc0 in a jump insn.
7423 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7424 Jan Hubicka <jh@suse.cz>
7426 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7427 of doing the change by hand.
7429 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7431 * rtlanal.c (set_noop_p): Return true for noop jumps.
7433 * expr.c (emit_single_push_insn): Add call to push expander.
7434 * expr.h (optab_index): Add OTI_push
7435 (push_optab): New constant.
7436 * genopinit.c (optabs): Add push_optab.
7437 * optabs.c (init_optab): Init push optab.
7438 * md.texi (push??1): Document
7440 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7442 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7443 expand to emit the pattern; put a REG_INC note for push/pop
7445 ("movdf", "movdf_internal"): Likewise.
7446 ("movsi", "movsi_internal"): Likewise.
7447 ("movsf", "movsf_internal"): Likewise.
7448 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7450 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7452 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7455 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7457 * params.def: Change default max inline insns to 100.
7459 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7461 * combine.c (combine_simplify_rtx): Generate a new shift operation
7462 when simplifying the first operand of a (neg (ashift)) expression.
7464 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7466 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7468 2001-07-20 Kelley Cook <kelley.cook@home.com>
7470 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7471 information. Move rest into ...
7472 (*-*-solaris): ... here. Eliminate redundant information and
7473 reword necessary packages section. Delete 4.x assembler bug info.
7474 (sparc-sun-*): Merge into ...
7475 (sparc-sun-sunos*): here.
7477 2001-07-20 Catherine Moore <clm@redhat.com>
7479 * config/v850/v850.md (casesi): Generate LABEL_REF
7482 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7484 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7485 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7486 * i386.md (strclrsi expander): Use it.
7488 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7490 * integrate.c (copy_insn_list): handle
7491 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7492 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7493 identically as to CODE_LABEL.
7495 * fold-const (fold): Convert A/B/C to A/(B*C) and
7498 * except.c (connect_post_landing_pads): Delete the RESX insns.
7500 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7502 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7504 * config/mips/mips.md (nmadd/nmsub): Use macro.
7506 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7508 * cppinit.c (remove_dup_dir): Make static.
7509 (remove_dup_dirs): Make static. Only warn about preempting a
7510 system directory with a non-system directory.
7512 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7514 * ifcvt.c (noce_try_store_flag_constants): Correct order
7515 of parameters to trunc_int_for_mode.
7517 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7519 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7520 an exception that will be caught within this function, do not fill
7521 its delay slot with any subsequent instruction.
7523 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7525 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7526 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7527 pointer extension instruction.
7528 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7529 * simplify-rtx.c (simplify_unary_operation) Likewise.
7530 * explow.c (convert_memory_address) Check value of
7531 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7533 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7534 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7535 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7536 Add Multilib Support.
7537 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7538 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7539 Add Multilib Support.
7540 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7542 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7543 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7544 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7546 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7548 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7549 old and new operands in `<', `3' and `b'.
7551 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7553 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7554 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7555 (toplev.o): Don't depend on xcoffout.h.
7556 * c-decl.c: Include debug.h
7557 (duplicate_decls): Use debug hook.
7558 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7559 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7560 (dbxout_types): Remove.
7561 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7562 * debug.c (do_nothing_debug_hooks): Update.
7563 (debug_true_tree, debug_nothing_rtx): New.
7564 * debug.h (struct rtx_def): New.
7565 (struct gcc_debug_hooks): New hooks ignore_block,
7566 outlining_inline_function and label.
7567 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7568 dwarf2out_frame_finish): New.
7569 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7570 Make static, update prototype.
7571 (dwarf2_debug_hooks): Update.
7572 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7573 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7574 * dwarfout.c (dwarf_debug_hooks): Update.
7575 * emit-rtl.c: Include debug.h.
7576 (remove_unnecessary_notes): Use debug hook.
7577 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7578 (final_scan_insn): Use debug hook.
7579 * integrate.c (output_inline_function): Use debug hook.
7580 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7581 (sdb_debug_hooks): Update.
7582 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7583 * toplev.c: Don't include xcoffout.h.
7584 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7585 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7587 * tree.h (dwarf2out_do_frame): Remove.
7589 2001-07-19 Catherine Moore <clm@cygnus.com>
7591 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7593 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7595 * reload1.c (eliminate_regs_in_insn): When updating a set
7596 to the frame pointer to the hardware frame pointer, perform
7597 the update always not just when REPLACE is set.
7599 * reload1.c (choose_reload_regs): Don't inherit a reload
7600 that crosses multiple registers if registers past the first
7601 don't fit in the desired class.
7603 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7604 when negating constants.
7606 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7608 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7609 * doc/tree.texi: Ditto.
7611 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7612 Jakub Jelinek <jakub@redhat.com>
7614 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7615 (extract_cie_info): Handle "eh" augmentation properly,
7617 (struct frame_state, __frame_state_for): New.
7619 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7621 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7622 HANDLE_SYSV_PRAGMA): Define.
7623 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7625 (copy_object): Caller changed.
7627 2001-07-19 Andreas Schwab <schwab@suse.de>
7629 * configure.in (assembler dwarf2 debug_line support): Define nop
7631 * configure: Regenerated.
7633 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7635 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7637 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7638 to conditionally compiled block.
7639 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7640 * dbxout.h (dbxout_function): Remove.
7641 * debug.c (do_nothing_debug_hooks): Update.
7642 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7643 global_decl, deferred_inline_function.
7644 * dwarf2out.c (dwarf2_debug_hooks): Update.
7645 (dwarf2out_global_decl): New.
7646 * dwarfout.c: Don't include dwarfout.h.
7647 (dwarfout_global_decl, dwarfout_function_decl,
7648 dwarfout_deferred_inline_function): New.
7649 (dwarf_debug_hooks): Update.
7650 * dwarfout.h: Remove.
7651 * final.c: Don't include dwarfout.h.
7652 * sdbout.c (sdbout_global_decl): New.
7653 (sdbout_debug_hooks): Update.
7654 * toplev.c: Don't include dwarfout.h.
7655 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7656 (note_deferral_of_defined_inline_function): Remove.
7657 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7658 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7659 * ch/lex.c: Don't include dwarfout.h.
7660 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7661 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7662 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7663 * cp/optimize.c: Include debug.h.
7664 (maybe_clone_body): Use debug hook.
7665 * cp/semantics.c: Include debug.h.
7666 (expand_body): Use debug hook.
7667 * po/POTFILES.in: Remove dwarfout.h.
7669 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7671 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7672 * c-parse.in (yyerror, _yylex): Similarly.
7673 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7674 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7676 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7677 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7679 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7681 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7682 in-class declaration at -g1. Fixes c++/2814.
7684 2001-07-18 Richard Henderson <rth@redhat.com>
7686 * doc/md.texi (reload_in/out): Document restrictions in predicates
7687 and constraints for these patterns. Document empty string matching
7690 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7692 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7694 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7696 * cse.c: Undo my previous patch.
7698 2001-07-18 Tom Tromey <tromey@redhat.com>
7701 * configure: Rebuilt.
7702 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7704 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7706 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7707 Jan Hubicka <jh@suse.cz>
7709 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7710 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7711 * jump.c (mark_jump_label): Do not forward branches.
7713 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7715 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7716 when return value is unused.
7718 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7720 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7722 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7724 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7725 on error. We can't blindly return the result of
7726 pthread_mutex_trylock because it returns a positive number on
7727 error, while we must return -1 on error.
7728 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7730 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7732 2001-07-18 Andreas Jaeger <aj@suse.de>
7734 * integrate.c (output_inline_function): Correct type of debug_hooks.
7736 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7738 * combine.c (combine_simplify_rtx): DIV can be treated
7739 associatively for floats if unsafe math optimisations are enabled.
7741 2001-07-17 Richard Henderson <rth@redhat.com>
7743 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7745 2001-07-17 Richard Henderson <rth@redhat.com>
7747 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7748 don't force the function address into a register.
7749 (expand_call, emit_library_call_value_1): Update callers.
7750 * builtins.c (expand_builtin_apply): Likewise.
7751 * expr.h (prepare_call_address): Update decl.
7753 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7755 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7757 * config/i386/chorus.h: Move up.
7758 * config/sparc/chorus.h: Likewise.
7759 * config/rs6000/chorus.h: Likewise.
7760 * config/chorus.h: Moved here.
7762 2001-07-17 Andreas Schwab <schwab@suse.de>
7764 * configure.in (assembler eh_frame optimization): Handle big
7766 * configure: Regenerated.
7768 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7770 * expr.c (epxand_expr): Convert divisions into multiplications by
7771 reciprocals if -ffast-math.
7773 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7775 * dbxout.c (dbxout_really_begin_function): Rename to
7776 dbxout_begin_function.
7777 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7778 (dbxout_begin_function): Remove.
7779 (dbxout_function): Update.
7780 (dbxout_source_line): Update prototype.
7781 * dbxout.h (dbxout_begin_function): Remove.
7782 * debug.c (do_nothing_debug_hooks): Update.
7783 (debug_nothing_tree): Update.
7784 (debug_nothing_charstar_rtx): Remove.
7785 * debug.h (union tree_node): Declare.
7786 (struct rtx_def): Remove.
7787 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7788 begin_function. Change source_line prototype.
7789 (debug_nothing_tree): New.
7790 (debug_nothing_charstar_rtx): Delete.
7791 (dwarf2out_begin_prologue): Moved from ...
7793 * dwarf2out.c (dwarf2_debug_hooks): Update.
7794 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7795 debug info, call dwarf2out_source_line.
7796 (dwarf2out_souce_line): Update prototype.
7797 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7798 Change prototype, make static.
7799 (dwarfout_source_line): Update prototype.
7800 (dwarf_debug_hooks): Update.
7801 * dwarfout.h (dwarfout_begin_function): Remove.
7802 * final.c (final_start_function, final_scan_insn): Use appropriate
7803 debug hooks, update to use notice_source_line.
7804 (output_source_line): Rename notice_source_line. Don't call the
7805 source_line debug hook.
7806 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7807 make static, update prototype.
7808 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7810 (sdbout_end_prologue): New.
7811 (sdbout_source_line): Update prototype.
7812 (sdbout_debug_hooks): Update.
7813 (sdbout_symbol): Remove unused var.
7814 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7816 * varasm.c: Include debug.h.
7817 (assemble_start_function): Use begin_function debug_hook.
7818 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7819 update with prototype.
7820 (xcoffout_source_line): Update prototype.
7821 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7823 (xcoffout_source_line): Update prototype.
7825 2001-07-17 Richard Henderson <rth@redhat.com>
7827 * c-typeck.c (build_binary_op): Do not shorten unsigned
7828 right shift after sign extension.
7830 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7832 * combine.c (combine_simplify_rtx): Attempt to simplify
7833 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7835 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7836 (simplify_binary_operation, simplify_unary_operation,
7837 simplify_relational_operation): Use it.
7839 * combine.c (combine_simplify_rtx): Don't do associative law
7840 on divisions; allow associative law on floats.
7842 2001-07-17 H.J. Lu <hjl@gnu.org>
7843 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7845 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7846 ASM_OUTPUT_WEAK_ALIAS are defined.
7847 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7848 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7850 * config/mips/iris5.h: ... here.
7851 (HANDLE_SYSV_PRAGMA): Defined as 1.
7852 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7853 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7856 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7858 * c-parse.in (all_prefix_attributes): New variable.
7859 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7860 (maybe_resetattrs): New production.
7861 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7862 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7863 notype_initdcl, nested_function, notype_nested_function,
7864 component_decl, components, components_notype,
7865 component_declarator, component_notype_declarator,
7866 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7867 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7868 after a comma being applied to more than one declarator.
7869 * doc/extend.texi (Attribute Syntax): Update. Remove
7870 documentation of bugs that are no longer present.
7872 2001-07-13 Eric Christopher <echristo@redhat.com>
7874 * config/mips/mips.h: Change TUNE_MIPS* options to use
7876 (EXTRA_SPECS): Add cc1_cpu_spec.
7877 * config/mips/mips.md (muldf3): Fix typo.
7879 2001-07-16 Richard Henderson <rth@redhat.com>
7881 * config/m68k/m68k.c: Include expr.h and reload.h.
7882 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7883 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7885 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7886 Richard Henderson <rth@redhat.com>
7888 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7889 (insn_live_p): Fix fall off end of function.
7890 (dead_libcall_p): Remove COUNTS argument; update callers.
7891 (delete_trivially_dead_insns): Remove unused variables.
7893 2001-07-17 Andreas Jaeger <aj@suse.de>
7895 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7898 * lcm.c (optimize_mode_switching): Avoid warning for unused
7899 variable if !NORMAL_MODE.
7901 * flow.c (try_crossjump_to_edge): Remove unused variable.
7903 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7905 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7906 atexit declaration in stdlib.h.
7908 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7910 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7912 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7914 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7915 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7916 do rebuild_jump_labels instead of jump_optimize
7917 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7918 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7919 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7921 * flow.c: Include timevar.h
7922 (find_basic_block): Push/pop timevar;
7923 (cleanup_cfg): Likewise.
7924 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7925 * Makefile: Add dependencies on timevar.h
7927 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7928 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7930 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7931 * toplev.c (rest_of_compilation): Update calls.
7932 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7933 (delete_trivially_dead_insns): ... here; accept new argument
7934 preserve_basic_blocks; preserve basic blocks if set.
7936 * reg-stack.c (stack_regs_mentioned): Return 0 if
7937 stack_regs_mentioned_data is not initialized.
7938 (reg_to_stack): Make stack_regs_mentioned survive after the
7939 reg-stack is completted; do not call cleanup_cfg.
7940 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7941 make cleanup_cfg after bb-reorder to output to debug file.
7943 2001-07-16 Richard Henderson <rth@redhat.com>
7945 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7946 from int_reg_class_contents.
7948 2001-07-16 Richard Henderson <rth@redhat.com>
7950 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7951 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7952 (init_reg_sets_1): Move initialization from cse_main.
7953 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7954 (cse_main): Move its initialization also.
7955 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7956 * flow.c (propagate_one_insn): Likewise.
7957 * gcse.c (compute_hash_table): Likewise.
7958 (compute_kill_rd, compute_store_table): Likewise.
7959 * sched-deps.c (sched_analyze_1): Likewise.
7961 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7963 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7966 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7968 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7969 in if statement so we don't access undefined memory.
7971 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7973 * gcse.c: Update comment at top.
7974 Update comment on mem handling.
7975 mem_last_set, mem_first_set, mem_set_in_block: gone.
7976 Declaration of reg_set_info: gone.
7977 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7978 pointless with load_killed_in_block_p (they are *more*
7979 conservative then it, not less, and less accurate).
7980 (oprs_not_set_p): Ditto.
7981 (alloc_gcse_mem): Don't allocate mem_set_in_block
7982 (free_gcse_mem): Don't free it, either.
7983 (record_last_mem_set_info): Update comment in front, remove
7984 mem_*set_* stuff. Note the reason we don't handle stores directly
7986 (compute_hash_table): Update comments to reflect reality. Remove
7987 mem_*set_* references.
7988 (reset_opr_set_tables): Remove mem_*set_* references.
7990 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7991 (mark_clobber): Ditto (on both parts, we double set here too).
7992 (expr_killed_p): Remove mem_set_in_block test.
7993 (compute_transp): Remove mem_set_in_block test.
7995 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7996 of edge, and removal of phi alternative to dump file.
7997 (ssa_ccp_substitute_constants): Add note about register now being
7998 constant, and which uses were replaced in what insns to dump file.
8000 2001-07-16 Andreas Jaeger <aj@suse.de>
8002 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8003 variables of type HOST_WIDEST_INT.
8005 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8006 (__bb_exit_func): Correct type of count_max to avoid overflow.
8007 (num_digits): Handle long long argument.
8009 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8011 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8013 * output.h (sdb_begin_function_line): Restore as an extern
8015 * sdbout.c (sdb_begin_function_line): Make extern.
8017 2001-07-15 Richard Henderson <rth@redhat.com>
8019 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8020 * genrecog.c (maybe_both_true_mode): New.
8021 (maybe_both_true_2): Use it.
8022 (write_switch): Don't put Pmode in a switch.
8023 * rtl.c (mode arrays): Don't explicitly size them.
8025 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8027 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8028 handling; move unconditional splitting before mode switching.
8030 * i386.md (type): Add fistp type.
8031 (i387, length_attr, scheduling definitions): Handle this type.
8032 (fix_trunc?f?i2): Revamp to use mode switching.
8033 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8034 * i386.h (fp_cw_mode): New enum
8035 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8036 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8038 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8040 * Makefile.in (integrate.o): Add debug.h.
8041 * integrate.c (debug.h): Add.
8042 (output_inline_function): Save, reset, and restore debug_hooks.
8044 2001-07-15 Richard Henderson <rth@redhat.com>
8046 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8047 instead of COMPARE for the EQUIV expression.
8049 2001-07-15 Richard Henderson <rth@redhat.com>
8051 * flow.c (redirect_edge_and_branch_force): Initialize
8052 global_live_at_start and global_live_at_end.
8053 (allocate_bb_life_data): Export.
8054 * basic-block.h (allocate_bb_life_data): Declare.
8055 * toplev.c (rest_of_compilation): Call it.
8057 2001-07-15 Richard Henderson <rth@redhat.com>
8059 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8060 (alpha_tablejump_best_label): New.
8061 * config/alpha/alpha-protos.h: Declare them.
8062 * config/alpha/alpha.md: Use braced strings for code blocks.
8063 (tablejump_osf): Break out add with r29.
8064 (tablejump_osf_internal): Remove.
8065 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8066 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8068 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8070 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8073 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8075 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8076 (ix86_fp_jump_nontrivial_p): New.
8077 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8078 use ix86_fp_jump_nontrivial_p.
8079 * i386.c (ix86_fp_jump_nontrivial_p): New.
8080 (ix86_split_fp_branch): Accept code instead of rtx.
8081 (ix86_expand_compare): Expand comparison early in case
8082 doing so is resonably cheap.
8084 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8086 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8088 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8089 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8091 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8093 * dbxout.c (dbxout_source_line): Make static, update prototype.
8094 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8095 (dbxout_init, dbxout_finish, dbxout_source_line,
8096 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8097 * dbxout.h (dbxout_source_line): Delete.
8098 * debug.c (debug_nothing_file, debug_nothing_file_int,
8099 debug_nothing_file_charstar_rtx): New.
8100 (do_nothing_debug_hooks): Update.
8101 (debug_nothing_void, debug_nothing_charstar_rtx,
8102 dwarf2out_end_epilogue): New.
8103 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8104 * debug.h (struct rtx_def): Declare.
8105 (gcc_debug_hooks): New hooks source_line, end_epilogue
8107 (debug_nothing_void, debug_nothing_charstar_rtx,
8108 dwarf2out_end_epilogue): New.
8109 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8110 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8111 (dwarf2_debug_hooks): Update.
8112 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8113 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8114 * dwarf2out.h (dwarf2out_source_line): Remove.
8115 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8116 Make static, update prototype.
8117 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8118 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8119 (dwarf_debug_hooks): Update.
8120 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8121 dwarfout_end_function): Remove.
8122 * final.c (profile_function): Use debug hooks for ending functions
8124 (output_source_line, final_end_function): Update prototype,
8126 (final_start_function, final_scan_insn): Update.
8127 * output.h (sdb_begin_function_line): Remove.
8128 (final_end_function): Update prototype.
8129 * sdbout.c (sdb_begin_function_line): Make static.
8130 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8131 (sdbout_source_line): New.
8132 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8134 (sdb_debug_hooks): Update.
8135 (sdbout_init, sdbout_source_line,
8136 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8137 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8138 * toplev.c (compile_file, rest_of_compilation): Update.
8139 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8140 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8141 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8142 Update for prototype changes.
8143 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8144 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8146 2001-07-15 Richard Henderson <rth@redhat.com>
8148 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8149 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8150 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8151 * config/alpha/alpha.c: Likewise.
8152 * config/alpha/alpha.md: Likewise.
8153 * config/alpha/alpha32.h: Likewise.
8154 * config/alpha/vms.h: Likewise.
8157 2001-07-14 Richard Henderson <rth@redhat.com>
8159 * config/alpha/alpha.md: Use define_constants for unspec values.
8160 Substitute throughout.
8162 2001-07-14 Tim Josling <tej@melbpc.org.au>
8164 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8166 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8168 * pa.md: Remove unused constraints from define_split's.
8170 2001-04-14 Richard Henderson <rth@redhat.com>
8172 * ifcvt.c (find_cond_trap): Test for exit block.
8174 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8176 Re-install recently reverted patch.
8177 * emit-rtl.c (try_split): Update mark_jump_label call.
8178 * flow.c (find_sub_basic_blocks): Likewise.
8179 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8181 (mark_all_labels): Kill second parameter.
8182 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8183 (rebuild_jump_labels, jump_optimize_minimal): Update call
8185 (jump_optimize_1): Kill crossjumping code.
8186 (mark_jump_label): Kill cross_jump parameter.
8187 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8188 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8189 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8191 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8193 (dump_file_info): Likewise.
8194 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8195 reorganize passes to do reg-stack first, bb-reorder second.
8196 * invoke.texi (-d letters doc): Remove the jump2 pass.
8198 2001-07-14 Richard Henderson <rth@redhat.com>
8200 * ifcvt.c (find_cond_trap): New.
8201 (find_if_header): Call it.
8202 (merge_if_block): Relax existing jump sanity check.
8203 * jump.c (jump_optimize_1): Remove conditional trap handling.
8205 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8207 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8209 (insn_refs_are_delayed): Correct comment.
8210 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8211 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8212 instead of r31. Make associated insn !TARGET_64BIT, and
8213 provide an additional 64-bit insn that clobbers r2.
8215 (udivsi3): Likewise.
8217 (umodsi3): Likewise.
8219 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8221 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8223 * flow.c (redirect_edge_and_branch_force, split_edge,
8224 try_crossjump_to_edge): Use set_block_for_new_insns.
8225 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8227 2001-07-13 H.J. Lu (hjl@gnu.org)
8229 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8232 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8234 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8236 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8238 * c-common.c (decl_attributes): Take a pointer to the node to
8239 which attributes are to be attached, and a flags argument.
8240 * c-common.h (enum attribute_flags): New.
8241 (decl_attributes): Update prototype.
8242 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8243 finish_enum, start_function): Update calls to decl_attributes.
8244 * c-parse.in (component_declarator, component_notype_declarator,
8245 label): Update calls to decl_attributes.
8247 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8249 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8250 * config/avr/avr.c (legitimate_address_p): Return value changed
8251 from letter to register classes. For better debugging.
8253 2001-07-13 Kazu Hirata <kazu@hxi.com>
8255 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8257 2001-07-13 H.J. Lu (hjl@gnu.org)
8259 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8261 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8263 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8264 correctly for shared configurations.
8265 * config/t-libgcc-pic: New.
8266 * config/{i386,m68k,sparc}/t-openbsd: New.
8267 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8268 Support -shared. Support debugging libraries with -g.
8269 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8270 frame information does not emit pointer diffs.
8271 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8274 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8276 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8278 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8280 * combine.c (try_combine): Ensure const_int pow2 is positive.
8282 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8284 * config.gcc: Add configuration for s/390.
8285 * config/s390/s390.c: New. Subroutines for code generation.
8286 * config/s390/s390.h: New. Definitions for s/390.
8287 * config/s390/s390-protos.h: New. Prototypes.
8288 * config/s390/linux.h: New. Definitions for linux for s/390.
8289 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8290 * config/s390/t-linux: New. Makefile fragment.
8291 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8292 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8294 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8296 * emit-rtl.c (try_split): Update mark_jump_label call.
8297 * flow.c (find_sub_basic_blocks): Likewise.
8298 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8300 (mark_all_labels): Kill second parameter.
8301 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8302 (rebuild_jump_labels, jump_optimize_minimal): Update call
8304 (jump_optimize_1): Kill crossjumping code.
8305 (mark_jump_label): Kill cross_jump parameter.
8306 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8307 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8308 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8310 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8312 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8313 reorganize passes to do reg-stack first, bb-reorder second.
8314 * invoke.texi (-d letters doc): Remove the jump2 pass.
8316 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8318 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8320 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8322 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8324 (verify_flow_info): Make diagnostics prettier.
8326 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8328 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8330 * flow.c (outgoing_edges_match): Return early if condition reversal
8333 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8335 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8336 (mips_move_2words): When splitting a move into two instructions,
8337 prefix the second address operand with '%D'.
8339 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8341 * Makefile.in (final.o): Depend on debug.h.
8342 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8343 (dbx_debug_hooks): Add new hooks.
8344 (xcoff_debug_hooks): New.
8345 * debug.c (debug_nothing_file_int_int): New.
8346 (do_nothing_debug_hooks): Update.
8347 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8348 (debug_nothing_file_int_int): New.
8349 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8350 static, update prototype.
8351 (dwarf2_debug_hooks): Update.
8352 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8353 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8354 static, update prototype.
8355 (dwarf_debug_hooks): Update.
8356 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8357 * final.c: Include debug.h.
8358 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8359 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8360 static, update prototype.
8361 (sdb_debug_hooks): Update.
8362 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8363 * toplev.c: Distinguish between xcoff and dbx.
8365 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8366 Call all debug hooks, not just dwarf ones.
8368 2001-07-11 Timothy Wall <twall@redhat.com>
8370 * config.gcc: Add configuration for AIX5/IA64.
8371 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8372 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8373 support prefix/suffix code.
8374 * config/ia64/t-aix: New. Makefile fragment.
8375 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8377 2001-07-11 Kazu Hirata <kazu@hxi.com>
8379 * recog.c (validate_change): Fix a comment typo.
8381 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8383 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8384 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8386 * dbxout.c (dbx_debug_hooks): Add new hooks.
8387 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8389 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8391 * dbxout.h (dbxout_start_new_source_file,
8392 dbxout_resume_previous_source_file): Delete.
8393 * debug.c (do_nothing_debug_hooks): Add new hooks.
8394 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8395 (debug_nothing_int_charstar, debug_nothing_int): New.
8396 * debug.h (gcc_debug_hooks): New hooks define, undef,
8397 start_source_file and end_source_file.
8398 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8399 (debug_nothing_int_charstar, debug_nothing_int): New.
8400 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8401 the conditionally compiled section.
8402 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8403 dwarf2out_define, dwarf2out_undef): Make static.
8404 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8405 dwarf2out_define, dwarf2out_undef): Remove.
8406 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8407 (dwarfout_start_source_file, dwarfout_end_source_file,
8408 dwarfout_define, dwarfout_undef): Make static.
8409 (dwarfout_start_source_file_check,
8410 dwarfout_end_source_file_check): New.
8411 (dwarfout_define, dwarfout_finish): Update.
8412 * dwarfout.h (dwarfout_start_new_source_file,
8413 dwarfout_resume_previous_source_file, dwarfout_define,
8414 dwarfout_undef): Remove.
8415 * sdbout.c (sdb_debug_hooks): Add new hooks.
8416 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8418 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8419 make static, take an arg.
8420 * sdbout.h (sdbout_start_new_source_file,
8421 sdbout_resume_previous_source_file): Delete.
8422 * toplev.c (debug_start_source_file, debug_end_source_file,
8423 debug_define, debug_undef): Delete.
8424 * toplev.h (debug_start_source_file, debug_end_source_file,
8425 debug_define, debug_undef): Delete.
8427 * java/jcf-parse.c: Include debug.h.
8428 (parse_class_file): Update to use debug hooks directly.
8429 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8431 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8433 * alias.c (set_mem_alias_set): New function.
8434 * rtl.h (set_mem_alias_set): Declare it.
8435 * builtins.c (expand_builtin_return_addr): Call it instead of
8436 using MEM_ALIAS_SET accessor.
8437 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8438 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8439 (expand_builtin_va_copy):Likewise.
8440 * caller-save.c (setup_save_areas): Likewise.
8441 * calls.c (compute_argument_addresses): Likewise.
8442 * explow.c (set_mem_attributes): Likewise.
8443 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8444 (expand_assignment, store_constructor_field, store_field): Likewise.
8445 (expand_expr_unaligned): Likewise.
8446 * function.c (assign_stack_temp_for_type): Likewise.
8447 (put_reg_into_stack, gen_mem_addressof): Likewise.
8448 * ifcvt.c (noce_try_cmove_arith): Likewise.
8449 * reload1.c (reload, alter_reg): Likewise.
8450 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8451 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8452 (alpha_expand_unaligned_store): Likewise
8453 (alpha_expand_unaligned_load_words): Likewise.
8454 (alpha_expand_unaligned_store_words): Likewise.
8455 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8456 (alpha_expand_epilogue): Likewise.
8457 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8458 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8459 * config/i386/i386.c (legitimize_pic_address): Likewise.
8460 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8461 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8462 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8463 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8464 * config/mips/mips.c (mips_va_arg): Likewise.
8465 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8466 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8467 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8468 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8469 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8470 (rs6000_emit_epilogue): Likewise.
8471 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8472 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8473 * config/v850/v850.c (v850_va_arg): Likewise.
8475 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8477 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8478 when fallthru edge is present.
8479 (mege_blocks): Handle case where creation of jump insn
8482 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8483 CLEANUP_POST_REGSTACK): New constants.
8484 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8485 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8486 * output.h (cleanup_cfg): Update prototype.
8487 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8488 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8489 cleanup_cfg call; kill missleading comment.
8490 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8491 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8492 parameter; control optimizations performed using it.
8493 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8494 try_crossjump_bb): New functions.
8496 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8498 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8500 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8501 pa_output_function_prologue.
8502 * pa-protos.h (pa_output_function_prologue): New prototype.
8504 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8506 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8507 and low to get correct sign extension in low+high test.
8509 2001-07-11 Janis Johnson <janis@us.ibm.com>
8511 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8512 for large hit count.
8514 * profile.c (branch_prob): Fix .bbg info for computed gotos
8517 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8519 * stmt.c (parse_output_constraint): New function, split out
8521 (expand_asm_operands): ... here. Use parse_output_constraint.
8522 * tree.h (parse_output_constraint): Declare it.
8524 2001-07-11 Richard Henderson <rth@redhat.com>
8526 * bitmap.c: Comment some functions; fiddle whitespace.
8527 (bitmap_free): Don't export.
8528 (bitmap_element_allocate): Use memset.
8529 * bitmap.h (bitmap_free): Don't declare.
8531 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8533 * gcse.c, lcm.c, sched-deps.c:
8534 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8536 * flow.c (flow_loops_find): Free dom if we found no loops, since
8537 we aren't going to save it.
8539 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8542 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8544 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8546 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8548 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8549 #ifndef DWARF2_DEBUGGING_INFO.
8551 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8553 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8555 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8557 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8558 reverse a branch if a NE comparison is implemented with GTU.
8560 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8561 H.J. Lu <hjl@gnu.org>
8563 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8565 (call_internal2): Likewise.
8566 (call_value_internal1): Likewise.
8567 (call_value_internal2): Likewise.
8568 (call_value_multiple_internal1): Likewise.
8569 (call_value_multiple_internal2): Likewise.
8571 2001-07-10 Kazu Hirata <kazu@hxi.com>
8573 * calls.c (emit_library_call_value_1): Fix a comment typo.
8574 * dwarf2out.c (mem_loc_descriptor): Likewise.
8575 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8577 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8579 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8581 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8583 * recog.c (offsettable_address_p): Handle LO_SUM case.
8584 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8585 instead of plus_constant.
8587 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8589 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8590 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8592 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8594 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8595 adjust_address_nv instead of plus_constant.
8597 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8599 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8600 dwarf2out.o): Depend on debug.h, wrap long lines.
8601 * dbxout.c: Include debug.h.
8602 (dbx_debug_hooks): New.
8603 (dbxout_init): Make static, take just 2 args.
8604 (dbxout_finish): Make static.
8605 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8606 * debug.c: New file.
8607 * debug.h: New file.
8608 * dwarf2out.c: Include debug.h.
8609 (dwarf2_debug_hooks): New.
8610 (dwarf2out_init): Make static.
8611 (dwarf2out_finish): Make static, take 2 args.
8612 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8613 * dwarfout.c: Include debug.h.
8614 (dwarf_debug_hooks): New.
8615 (dwarfout_init): Make static.
8616 (dwarfout_finish): Make static, take 2 args.
8617 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8618 * sdbout.c: Include debug.h.
8619 (sdb_debug_hooks): New.
8620 (sdbout_init): Make static, take 2 args.
8621 * sdbout.h (sdbout_init): Delete.
8622 * toplev.c: Include debug.h.
8624 (compile_file): Set deubg_hooks based on command line options.
8625 Use the hooks unconditionally rather than conditional compilation.
8627 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8629 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8630 first_insn_after_basic_block_note instead.
8632 * df.c (df_bb_refs_unlink): #if 0 out for now.
8634 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8636 * ssa.h: Add prototype for ssa_const_prop
8637 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8638 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8639 (ssa_fast_dce): Remove unused variable
8641 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8643 * diagnostic.c (finish_diagnostic): Rename to
8644 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8647 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8649 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8652 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8653 (dump_file): Only pad the demangled name with spaces if the
8654 mangled name was padded with spaces.
8656 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8658 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8661 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8663 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8664 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8667 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8668 whether can put offset inside LO_SUM to check mode alignment, not size.
8670 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8672 * doc/tm.texi (Misc): Fix thinko.
8674 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8676 * regmove.c (replace_in_call_usage): Fix warnings.
8677 * sched-deps.c (add_dependence): Fix warnings.
8678 * simplify-rtx.c (simplify_subreg): Likewise.
8679 Return NULL_RTX instead of NULL.
8681 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8682 (subst_asm_stack_regs): Likewise.
8684 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8687 * dwarf2out.c (output_call_frame_info): Declare i as int.
8688 (build_abbrev_table): Declare n_alloc as int.
8689 (dwarf2out_finish): Initialize die.
8690 * except.c: Declare sjlj_funcdef_number as unsigned.
8691 (connect_post_landing_pads): Declare j as unsigned.
8692 (convert_to_eh_region_ranges): Initialize call_site.
8693 (output_function_exception_table): Initialize tt_format_size.
8694 * expr.c (move_by_pieces_1): Initialize to1.
8695 (store_constructor): Initialize minelt and maxelt.
8696 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8697 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8699 * c-decl.c (combine_parm_decls): Unused, remove.
8700 * c-tree.h: Remove prototype for combine_parm_decls.
8702 * reload.c (push_reload): Fix warning.
8703 (regno_clobbered_p): Likewise.
8704 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8705 (reload_combine): Likewise.
8707 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8708 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8710 * bitmap.c (bitmap_operation): Change user.
8711 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8713 2001-07-10 Eric Christopher <echristo@redhat.com>
8715 * config/mips/mips.c (override_options): Fix typo.
8717 2001-07-09 Stan Shebs <shebs@apple.com>
8719 * target.h (struct gcc_target): New fields init_builtins and
8721 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8722 (TARGET_EXPAND_BUILTIN): New macro.
8723 (TARGET_INITIALIZER): Add them.
8724 * builtins.c: Include target.h.
8725 (expand_builtin): Use targetm.expand_builtin.
8726 (default_init_builtins): New function.
8727 (default_expand_builtin): New function.
8728 * expr.h (default_init_builtins): Declare.
8729 (default_expand_builtin): Declare.
8730 * c-common.c (c_common_nodes_and_builtins): Use
8731 targetm.init_builtins.
8732 * defaults.h (MD_INIT_BUILTINS): Remove.
8733 * Makefile.in (builtins.o): Depend on target.h.
8735 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8736 (TARGET_EXPAND_BUILTIN): Define.
8737 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8738 (MD_EXPAND_BUILTIN): Remove.
8740 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8741 (TARGET_EXPAND_BUILTIN): Define.
8742 (c4x_init_builtins): Make endlink arg a local.
8743 (c4x_print_operand): Fix typos in adjust_address usages.
8744 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8745 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8746 (MD_EXPAND_BUILTIN): Remove.
8748 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8749 (TARGET_EXPAND_BUILTIN): Define.
8750 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8751 (ix86_init_builtins): Call new function only if TARGET_MMX.
8752 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8753 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8754 (MD_EXPAND_BUILTIN): Remove.
8756 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8757 (TARGET_EXPAND_BUILTIN): Define.
8758 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8759 (MD_EXPAND_BUILTIN): Remove.
8761 * doc/tm.texi: Document these changes.
8763 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8765 * basic-block.h (tree_node): Forward declare if needed.
8766 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8767 (BLOCK_HEAD_TREE): Define.
8768 (BLOCK_END_TREE): Define.
8769 (struct loops): Rename field 'tree' to 'tree_root'.
8770 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8772 (flow_loops_tree_build): Rename reference to field 'tree' to
8774 (flow_loops_level_compute): Ditto.
8775 * predict.c (estimate_bb_frequencies): Ditto.
8776 * tree.h (struct tree_common): Add field 'aux'.
8778 2001-07-09 Stan Shebs <shebs@apple.com>
8780 * config/darwin.c (darwin_encode_section_info): Don't mark any
8781 DECL_EXTERNAL node as defined.
8783 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8785 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8786 pa_free_machine_status, hppa_init_pic_save): Delete.
8787 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8788 (hppa_profile_hook): Use hppa_pic_save_rtx.
8789 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8790 hppa_init_pic_save): Delete.
8791 (hppa_pic_save_rtx): Declare.
8792 * pa.md (call, call_value, sibcall, sibcall_value,
8793 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8795 2001-07-09 Kazu Hirata <kazu@hxi.com>
8797 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8798 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8800 2001-07-09 Andreas Jaeger <aj@suse.de>
8802 * output.h: Add declaration of final_forward_branch_p.
8804 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8806 * varray.c: Include errors.h for internal_error and trim_filename
8809 * Makefile.in (varray.o): Add errors.h.
8811 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8813 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8814 * optabs.c (have_add2_insn): Check whether the add insn chosen
8815 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8816 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8818 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8820 * Makefile.in (OBJS): Add ssa-ccp.o
8821 (ssa-ccp.o): Add dependencies.
8822 * toplev.c (DFI_ssa_ccp): New dump file enum.
8823 (dump_file): Add entry for dumping after SSA CCP.
8824 (flag_ssa_ccp): New flag variable.
8825 (f_options): Add -fssa-ccp.
8826 (rest_of_compilation): Run SSA CCP if requested.
8827 * timevar.def (TV_SSA_CCP): New timevar.
8828 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8829 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8830 Fix minor typo in SSA DCE documentation.
8831 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8832 Add documentation for new dump option. Renumber dump files
8835 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8837 * emit-rtl.c (gen_highpart_mode): New.
8838 * rtl.h (gen_highpart_mode): Declare.
8839 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8840 operand can be VOIDmode constant.
8842 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8844 * flow.c (redirect_edge_and_branch_force): New.
8845 (can_fallthru): Ensure that basic blocks are succeeding.
8846 (try_optimize_cfg): Do not delete basic block if it is the last one.
8848 * flow.c (try_redirect_by_replacing_jump): Do not remove
8849 jumps with side effects, unlink chain on fallthru edge;
8850 set block for new jump instruction; avoid basic block to
8851 over by line number note.
8853 * flow.c (try_simplify_condjump): Verify that the condjump
8854 is not always falling trought.
8857 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8859 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8860 (try_redirect_by_replacing_jump): Update properly the count
8861 and frequency information.
8863 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8865 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8866 address that is a LO_SUM specially.
8867 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8869 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8871 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8872 (operand_subword): Use them.
8873 (change_address_1): Renamed from change_address; new arg VALIDATE.
8874 * expr.h: Reflect above changes; change_address now macro.
8875 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8877 * cselib.c (add_mem_for_addr): Likewise.
8878 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8879 * regmove.c (try_apply_stack_adjustment): Likewise.
8880 * reload.c (push_reload, make_memloc): Likewise.
8881 * reload1.c (eliminate_regs): Likewise.
8882 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8883 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8885 * combine.c (make_extraction, simplify_shift_const): Likewise.
8886 (gen_lowpart_for_combine): Likewise.
8887 * cse.c (gen_lowpart_if_possible): Likewise.
8888 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8889 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8890 * optabs.c (gen_move_insn): Likewise.
8891 * reload1.c (alter_reg): Likewise.
8892 * simplify-rtx.c (simplify_subreg): Likewise.
8893 * stmt.c (expand_anon_union_decl): Likewise.
8894 * recog.c (validate_replace_rtx_1): Likewise.
8896 * Makefile.in (recog.o): Add $(EXPR_H).
8897 * explow.c (stabilize): Call replace_equiv_address.
8898 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8899 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8901 2001-07-03 Andrew Haley <aph@redhat.com>
8903 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8904 the mode of the memory location.
8906 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8908 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8910 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8912 * final.c (output_addr_const): Use target opening and
8913 closing parentheses.
8914 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8915 defaults, add to TARGET_ASM_OUT.
8916 * target.h (struct gcc_target): Add open_paren and close_paren.
8917 * doc/md.texi: Update.
8918 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8919 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8920 TARGET_ASM_CLOSE_PAREN.
8921 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8923 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8925 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8926 * config/a29k/a29k.h: Similarly.
8927 * config/alpha/alpha.h: Similarly.
8928 * config/arc/arc.h: Similarly.
8929 * config/arm/aof.h: Similarly.
8930 * config/arm/aout.h: Similarly.
8931 * config/avr/avr.h: Similarly.
8932 * config/c4x/c4x.h: Similarly.
8933 * config/clipper/clipper.h: Similarly.
8934 * config/convex/convex.h: Similarly.
8935 * config/d30v/d30v.h: Similarly.
8936 * config/dsp16xx/dsp16xx.h: Similarly.
8937 * config/elxsi/elxsi.h: Similarly.
8938 * config/fr30/fr30.h: Similarly.
8939 * config/h8300/h8300.h: Similarly.
8940 * config/i370/i370.h: Similarly.
8941 * config/i386/i386.h: Similarly.
8942 * config/i860/i860.h: Similarly.
8943 * config/i960/i960.h: Similarly.
8944 * config/ia64/ia64.h: Similarly.
8945 * config/m32r/m32r.h: Similarly.
8946 * config/m68hc11/m68hc11.h: Similarly.
8947 * config/m68k/m68k.h: Similarly.
8948 * config/m88k/m88k.h: Similarly.
8949 * config/mcore/mcore.h: Similarly.
8950 * config/mips/mips.h: Similarly.
8951 * config/mn10200/mn10200.h: Similarly.
8952 * config/mn10300/mn10300.h: Similarly.
8953 * config/ns32k/ns32k.h: Similarly.
8954 * config/pa/pa.h: Similarly.
8955 * config/pdp11/pdp11.h: Similarly.
8956 * config/pj/pj.h: Similarly.
8957 * config/romp/romp.h: Similarly.
8958 * config/rs6000/rs6000.h: Similarly.
8959 * config/sh/sh.h: Similarly.
8960 * config/sparc/sparc.h: Similarly.
8961 * config/v850/v850.h: Similarly.
8962 * config/vax/vax.h: Similarly.
8963 * config/we32k/we32k.h: Similarly.
8965 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8967 * doc/c-tree.texi: Document representation of attributes.
8969 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8971 * doc/tm.texi: Update some places for the rename of target to
8974 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8976 * target.h (struct gcc_target): Add insert_attributes.
8977 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8978 (TARGET_INITIALIZER): Update.
8979 * tree.c, tree.h (default_insert_attributes): New function.
8980 Update comments on other default functions to refer to targetm,
8982 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8983 TARGET_INSERT_ATTRIBUTES.
8984 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8985 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8986 Don't use PRAGMA_INSERT_ATTRIBUTES.
8987 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8988 * c-decl.c (start_decl, start_function): Don't call
8989 SET_DEFAULT_DECL_ATTRIBUTES.
8990 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8991 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8993 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8994 (c4x_check_attribute): Avoid modifying attribute list itself.
8995 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8997 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8998 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9000 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9001 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9003 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9004 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9006 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9007 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9008 Adjust parameters. Make static.
9010 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9012 * c-common.c (decl_attributes): Only take a single attributes
9014 * c-common.h (decl_attributes): Update prototype.
9015 * c-decl.c (start_decl, start_function): Only take a single
9016 attributes parameter. Update calls to decl_attributes.
9017 (finish_struct, finish_enum): Update calls to decl_attributes.
9018 (push_parm_decl): Expect unified list of attributes. Update call
9020 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9021 notype_nested_function, component_declarator,
9022 component_notype_declarator, label): Update calls to
9024 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9025 lists that are passed to push_parm_decl.
9026 * c-tree.h (start_function, start_decl): Update prototypes.
9027 * config/sh/sh-protos.h, config/sh/sh.c
9028 (sh_pragma_insert_attributes): Only take a single attributes
9030 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9031 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9032 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9033 build_module_descriptor, generate_static_references,
9034 generate_strings, build_selector_translation_table,
9035 generate_descriptor_table, generate_protocols,
9036 generate_ivars_list, generate_dispatch_table,
9037 generate_protocol_list, generate_category,
9038 generate_shared_structures, really_start_method, add_objc_decls,
9039 generate_classref_translation_entry): Update calls to start_decl
9041 (build_tmp_function_decl, start_method_def): Unify attribute lists
9042 that are passed to push_parm_decl.
9044 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9046 * final.c (no_asm_to_stream): New.
9047 (final_scan_insn): Use target structures for prologue ends
9048 and epilogue starts.
9049 * output.h (no_asm_to_stream): New.
9050 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9051 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9052 (TARGET_ASM_OUT): Update.
9053 * target.h (struct gcc_target): New members function_end_prologue
9054 and function_begin_epilogue.
9055 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9056 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9057 * config/alpha/alpha.c (output_end_prologue): Rename to
9058 alpha_output_function_end_prologue. Use in target struct
9060 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9061 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9062 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9063 ia64_output_function_end_prologue. Use in target struct
9065 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9066 mistyped prototypes.
9067 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9068 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9070 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9071 an use in target struct, make static.
9072 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9075 2001-07-08 Richard Henderson <rth@redhat.com>
9077 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9079 2001-07-08 Richard Henderson <rth@redhat.com>
9081 * config/i386/i386.md: Remove constraints strings from define_split
9082 and define_peephole2 patterns.
9083 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9084 (eh_return): Use them.
9086 2001-07-08 Richard Henderson <rth@redhat.com>
9088 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9089 Document MD_FALLBACK_FRAME_STATE_FOR.
9091 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9093 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9094 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9096 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9098 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9100 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9101 of the label inside NAME as opposed to just the end of NAME.
9103 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9105 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9106 * config/alpha/alpha.c (alpha_init_machine_status,
9107 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9108 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9109 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9110 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9112 2001-07-06 Stan Shebs <shebs@apple.com>
9114 * target.h (targetm): Rename global from "target", so as not to
9115 conflict with local variables.
9117 * c-typeck.c: Ditto.
9121 * cp/decl2.c: Ditto.
9122 * cp/typeck.c: Ditto.
9123 * 1750a/1750a.c: Ditto.
9124 * a29k/a29k.c: Ditto.
9128 * clipper/clipper.c: Ditto.
9129 * convex/convex.c: Ditto.
9130 * d30v/d30v.c: Ditto.
9131 * dsp16xx/dsp16xx.c: Ditto.
9132 * elxsi/elxsi.c: Ditto.
9133 * fr30/fr30.c: Ditto.
9134 * h8300/h8300.c: Ditto.
9135 * i370/i370.c: Ditto.
9136 * i386/i386.c: Ditto.
9137 * i860/i860.c: Ditto.
9138 * i960/i960.c: Ditto.
9139 * ia64/ia64.c: Ditto.
9140 * m32r/m32r.c: Ditto.
9141 * m68hc11/m68hc11.c: Ditto.
9142 * m68k/m68k.c: Ditto.
9143 * m88k/m88k.c: Ditto.
9144 * mips/mips.c: Ditto.
9145 * ns32k/ns32k.c: Ditto.
9147 * pdp11/pdp11.c: Ditto.
9148 * romp/romp.c: Ditto.
9149 * rs6000/rs6000.c: Ditto.
9151 * sparc/sparc.c: Ditto.
9153 * we32k/we32k.c: Ditto.
9154 * doc/tm.texi: Update the manual to match.
9156 2001-07-06 Richard Henderson <rth@redhat.com>
9158 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9159 DWARF2_UNWIND_INFO not just whether it is defined.
9161 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9163 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9164 call to simplify_binary_operation returns a new pattern.
9166 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9168 * glimits.h (__SHRT_MAX__): New.
9169 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9170 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9172 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9174 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9177 2001-07-06 Richard Henderson <rth@redhat.com>
9179 * bitmap.c (bitmap_release_memory): Move adjacent to the
9180 allocation functions.
9181 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9182 the implementation. Binary search for the set bit.
9183 (bitmap_union_of_diff): Allocate the temporary on the stack
9184 instead of using xmalloc.
9186 2001-07-06 Richard Henderson <rth@redhat.com>
9188 * genrecog.c (validate_pattern): Warn for constraints in
9189 define_{expand,split,peephole2}. Remove strict_low_part
9190 before looking up match_dup.
9192 2001-07-06 DJ Delorie <dj@redhat.com>
9194 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9195 chapter about various build hints and history. Add section
9196 talking about the various types of native and cross builds.
9198 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9200 * Makefile.in (final.o): Depend on target.h.
9201 * final.c: Include target.h.
9202 (default_function_pro_epilogue): New.
9203 (final_start_function): Use target structure for function prologues.
9204 (final_end_function): Use target structure for function epilogues.
9205 * fold-const.c (real_hex_to_f): Constify s and p.
9206 * output.h (default_function_pro_epilogue): New.
9207 * real.h (real_hex_to_f): Update prototype.
9208 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9209 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9210 (TARGET_INITIALIZER): Update.
9211 * target.h (gcc_target): Add struct asm_out.
9212 * doc/tm.texi: Update.
9215 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9216 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9217 in cpu/cpu.c, or rename old functions consistently. Take
9218 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9219 redundant macros and prototypes. Make new functions static.
9221 * 1750a/1750a.c: Similarly.
9222 * 1750a/1750a.h: Similarly.
9223 * a29k/a29k-protos.h: Similarly.
9224 * a29k/a29k.c: Similarly.
9225 * a29k/a29k.h: Similarly.
9226 * arc/arc-protos.h: Similarly.
9227 * arc/arc.c: Similarly.
9228 * arc/arc.h: Similarly.
9229 * arm/arm-protos.h: Similarly.
9230 * arm/arm.c: Similarly.
9231 * arm/arm.h: Similarly.
9232 * avr/avr-protos.h: Similarly.
9233 * avr/avr.c: Similarly.
9234 * avr/avr.h: Similarly.
9235 * clipper/clipper-protos.h: Similarly.
9236 * clipper/clipper.c: Similarly.
9237 * clipper/clipper.h: Similarly.
9238 * convex/convex.c: Similarly.
9239 * convex/convex.h: Similarly.
9240 * d30v/d30v-protos.h: Similarly.
9241 * d30v/d30v.c: Similarly.
9242 * d30v/d30v.h: Similarly.
9243 * d30v/d30v.md: Similarly.
9244 * dsp16xx/dsp16xx-protos.h: Similarly.
9245 * dsp16xx/dsp16xx.c: Similarly.
9246 * dsp16xx/dsp16xx.h: Similarly.
9247 * elxsi/elxsi.c: Similarly.
9248 * elxsi/elxsi.h: Similarly.
9249 * fr30/fr30.c: Similarly.
9250 * fr30/fr30.md: Similarly.
9251 * h8300/h8300-protos.h: Similarly.
9252 * h8300/h8300.c: Similarly.
9253 * h8300/h8300.h: Similarly.
9254 * i370/i370-protos.h: Similarly.
9255 * i370/i370.c: Similarly.
9256 * i370/i370.h: Similarly.
9257 * i386/i386.c: Similarly.
9258 * i386/osf1elf.h: Similarly.
9259 * i386/osfrose.h: Similarly.
9260 * i860/i860-protos.h: Similarly.
9261 * i860/i860.c: Similarly.
9262 * i860/i860.h: Similarly.
9263 * i960/i960-protos.h: Similarly.
9264 * i960/i960.c: Similarly.
9265 * i960/i960.h: Similarly.
9266 * ia64/ia64-protos.h: Similarly.
9267 * ia64/ia64.c: Similarly.
9268 * ia64/ia64.h: Similarly.
9269 * m32r/m32r-protos.h: Similarly.
9270 * m32r/m32r.c: Similarly.
9271 * m32r/m32r.h: Similarly.
9272 * m68hc11/m68hc11-protos.h: Similarly.
9273 * m68hc11/m68hc11.c: Similarly.
9274 * m68hc11/m68hc11.h: Similarly.
9275 * m68k/crds.h: Similarly.
9276 * m68k/dpx2.h: Similarly.
9277 * m68k/m68k-protos.h: Similarly.
9278 * m68k/m68k.c: Similarly.
9279 * m68k/m68k.h: Similarly.
9280 * m68k/news.h: Similarly.
9281 * m88k/m88k-protos.h: Similarly.
9282 * m88k/m88k.c: Similarly.
9283 * m88k/m88k.h: Similarly.
9284 * mips/mips-protos.h: Similarly.
9285 * mips/mips.c: Similarly.
9286 * mips/mips.h: Similarly.
9287 * ns32k/merlin.h: Similarly.
9288 * ns32k/ns32k.c: Similarly.
9289 * ns32k/ns32k.h: Similarly.
9290 * ns32k/tek6000.h: Similarly.
9291 * pa/pa-protos.h: Similarly.
9292 * pa/pa.c: Similarly.
9293 * pa/pa.h: Similarly.
9294 * pdp11/2bsd.h: Similarly.
9295 * pdp11/pdp11-protos.h: Similarly.
9296 * pdp11/pdp11.c: Similarly.
9297 * pdp11/pdp11.h: Similarly.
9298 * romp/romp-protos.h: Similarly.
9299 * romp/romp.c: Similarly.
9300 * romp/romp.h: Similarly.
9301 * rs6000/rs6000-protos.h: Similarly.
9302 * rs6000/rs6000.c: Similarly.
9303 * rs6000/rs6000.h: Similarly.
9304 * rs6000/sysv4.h: Similarly.
9305 * sh/sh-protos.h: Similarly.
9306 * sh/sh.c: Similarly.
9307 * sh/sh.h: Similarly.
9308 * sparc/sparc-protos.h: Similarly.
9309 * sparc/sparc.c: Similarly.
9310 * sparc/sparc.h: Similarly.
9311 * vax/vax.c: Similarly.
9312 * vax/vax.h: Similarly.
9313 * vax/vms.h: Similarly.
9314 * we32k/we32k.c: Similarly.
9315 * we32k/we32k.h: Similarly.
9317 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9319 * basic-block.h (first_insn_after_basic_block_note): Declare.
9320 * flow.c (first_insn_after_basic_block_note): Define. Moved
9322 * ssa.c (first_insn_after_basic_block_note): Remove.
9323 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9325 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9326 nodes when we find a dead conditional branch. Insert BARRIERs
9327 after any blocks with no successors, but which do not have
9330 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9332 * varray.c (varray_check_failed): Use internal_error.
9334 2001-07-05 Andrew Haley <aph@redhat.com>
9336 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9337 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9338 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9340 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9342 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9343 reference if the target constant is also a SYMBOL_REF.
9345 2001-07-05 Eric Christopher <echristo@redhat.com>
9347 * config/mips/mips.h (MASK_MIPS3900): Remove.
9348 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9349 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9350 (TARGET_MIPS3900): Change to use mips_arch.
9351 (TARGET_MIPS4000): New.
9352 (TARGET_MIPS4100): New.
9353 (TARGET_MIPS4300): New.
9354 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9355 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9357 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9358 (ISA_HAS_BRANCHLIKELY): To here.
9359 (CC1_CPU_SPEC): New.
9360 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9361 (mips_arch_string): Declare.
9362 (mips_arch): Declare.
9363 (TARGET_OPTIONS): Add -march and -mtune.
9365 * config/mips/mips.c (mips_arch_string): New.
9367 (override_options): Handle -march for codegen and -mtune
9368 for scheduling. Use mips_arch. Move tx39 target default here.
9369 (mips_parse_cpu): Move error message to override_options.
9371 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9373 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9375 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9376 (MIPS Options): Ditto. Change mcpu entry to historical text.
9378 2001-07-05 H.J. Lu (hjl@gnu.org)
9380 * config/mips/mips.c (mips_parse_cpu): New function to parse
9383 2001-07-05 Jim Wilson <wilson@redhat.com>
9385 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9386 * config/ia64/t-ia64: Likewise.
9387 (LIB1ASMFUNCS): Update comment.
9389 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9391 * doc/install.texi (Install GCC: Binaries): Fix typo.
9393 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9395 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9396 reference using the stack pointer, adjust it since we push Y
9398 ("*ashrsi3"): Likewise.
9399 ("*lshrsi3"): Likewise.
9401 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9403 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9404 when -fomit-frame-pointer is used.
9406 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9408 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9409 (try_redirect_by_replacing_jump): Reverse updating properly the
9410 count and frequency information. Reverse removing cc0 setter.
9411 (forwarder_block_p): Reverse fixing for fallthru blocks.
9413 2001-07-05 DJ Delorie <dj@redhat.com>
9415 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9416 (translate_options): If the above is defined, use it to map
9417 given options to new options.
9418 * doc/tm.texi: Document it.
9420 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9421 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9423 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9424 cause programs using computed gotos to run more slowly.
9426 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9428 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9430 Consistently require binutils 2.11.2, not prereleases.
9431 (Specific, decstation-*): Canonicalize as mips-dec-*.
9432 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9434 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9435 (Specific, mips-*): Reword MIPS C compiler requirements.
9436 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9437 (Specific, sunv5): Removed, obsolete.
9439 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9441 * dwarf2out.c (output_loc_list): Use an all ones mask for
9442 .text asm output and don't rely on long long
9443 literals. Reformat some long lines.
9445 2001-07-05 Andreas Jaeger <aj@suse.de>
9447 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9450 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9452 * dwarf2out.c (dwarf2out_define): Update comment.
9453 (dwarf2out_undef): Ditto.
9454 (dwarf2out_start_source_file): Ditto.
9455 (dwarf2out_end_source_file): Ditto.
9456 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9457 since we never call the start/end debug hook for the primary file.
9459 2001-07-04 Kazu Hirata <kazu@hxi.com>
9461 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9464 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9466 * cppinit.c (remove_dup_dirs): Inform if a system include
9467 directory is being reordered.
9468 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9470 * doc/cpp.texi (Search Paths): Likewise.
9471 * doc/gcc.texi (Interoperation): Remove information about
9474 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9476 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9477 (VARRAY_TOP_CHAR_PTR): Likewise.
9479 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9481 * gcc.c (process_command): Don't assign elements of a const char*.
9483 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9485 * emit-rtl.c (change_address): Don't abort if invalid address while
9486 reload is in progress.
9488 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9490 * c-lex.c (cb_file_change): Pass line number to
9491 debug_start_source_file.
9492 (cb_undefine): Pass correct line number to debug_undef.
9494 * toplev.c (debug_start_source_file): Add line number to
9495 parameters. Pass it along to dwarf2out_start_source_file.
9496 (decode_g_option): Stop resetting debug level back to normal when
9497 we change debug formats, unless the current level is
9498 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9501 * toplev.h (debug_start_source_file): Add line number to
9504 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9507 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9509 Output debug_macinfo data for starting file if requested.
9510 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9512 (dwarf2out_define): Output debug_macinfo data for defining a macro
9514 (dwarf2out_undef): Output debug_macinfo data for undefining a
9516 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9517 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9518 (macinfo_section_label): New. DWARF2 macro info section label.
9519 (dwarf2out_init): If we want macro info, output the start label
9521 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9522 attribute to the compilation unit die pointing to the macro info.
9524 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9526 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9527 DWARF2_DEBUGGING_INFO.
9528 (add_loc_descr_to_loc_list): Ditto.
9529 (output_loc_list): Ditto.
9530 Also, fix thinko in curr not being initialized.
9531 (gen_internal_sym): Ditto.
9533 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9535 * emit-rtl.c (replace_equiv_address): New function.
9536 * expr.h (replace_equiv_address): New declaration.
9537 * explow.c (validize_mem): Call it instead of change_address and
9538 also call if -fforce-addr and address is constant.
9539 * expr.c: Replace more calls to change_address with adjust_address
9540 and/or replace_equiv_address or to validize_mem.
9541 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9542 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9543 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9544 * config/i370/i370.md, config/i860/i860.md: Likewise.
9545 * config/i960/i960.md, config/mips/mips.c: Likewise.
9546 * config/mips/mips.md, config/pa/pa.md: Likewise.
9547 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9548 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9550 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9552 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9554 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9557 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9559 * doc/include: New directory.
9560 * doc/fdl.texi: Move to doc/include/fdl.texi.
9561 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9562 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9563 * doc/gcc.texi: Use funding.texi and gpl.texi.
9564 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9565 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9566 Update dependencies and use -I $(docdir)/include.
9568 2001-07-04 Anthony Green <green@redhat.com>
9570 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9572 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9574 * doc/install.texi (sparc64-*-*): Remove garbage.
9576 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9578 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9579 Fix typo in last change to use adjust_address.
9581 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9583 * doc/install.texi (Specific): Update information for *-*-solaris*.
9585 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9587 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9589 2001-07-03 Stan Shebs <shebs@apple.com>
9591 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9592 case for flag_no_mach_text_sections.
9593 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9594 * config/darwin.c (flag_no_mach_text_sections): Remove.
9595 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9597 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9599 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9600 and avoid checking for constant as first operand.
9601 * recog.c (find_constant_term_loc): No longer static.
9602 (adj_offettable_operand): Delete.
9603 * rtl.h (adj_offsettable_operand): Delete declaration.
9604 (find_constant_term): Add declaration.
9605 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9607 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9608 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9609 * config/i386/i386.c, config/i386/i386.md: Likewise.
9610 * config/i860/i860.c, config/i960/i960.c: Likewise.
9611 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9612 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9613 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9614 * config/mips/mips.c, config/mips/mips.md: Likewise.
9615 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9616 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9617 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9618 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9619 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9620 * config/ns32k/ns32k.md: Likewise.
9622 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9624 * rtl.c (copy_rtx): Handle 'T' format letter.
9625 * gensupport.c (collect_insn_data): Likewise.
9626 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9628 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9630 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9631 -B option. Use 'dir' not 'foo' as example directory name.
9633 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9635 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9636 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9638 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9640 * doc/cppinternals.texi: Improve formatting and logical markup.
9642 2001-07-03 Andreas Jaeger <aj@suse.de>
9644 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9646 * genrecog.c (write_header): Include reload.h for prototypes in
9649 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9652 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9653 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9654 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9655 i386_pe_valid_type_attribute_p): Add.
9656 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9657 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9659 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9661 * explow.c (plus_constant_wide, case LO_SUM): New case.
9662 (plus_constant_for_output_wide): Delete.
9663 * rtl.h (plus_constant_for_output): Delete.
9664 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9665 instead of plus_constant_for_output.
9666 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9667 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9668 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9669 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9670 * config/sparc/sparc.md: Likewise.
9671 Convert some change_address calls to adjust_address.
9673 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9675 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9676 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9677 documentation of -std and -Wwrite-strings.
9679 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9681 * cse.c (canon_hash): Don't register registers in very small
9682 register classes, as extending their lifetime might cause
9685 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9687 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9689 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9690 (try_redirect_by_replacing_jump): Update properly the count
9691 and frequency information.
9693 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9695 * toplev.c (dump_file_index): Move SSA dumps just after first
9697 (dump_file): Corresponding changes.
9698 (rest_of_compilation): Move SSA path to just after the first
9700 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9701 * doc/invoke.texi: Update dump file #s as they were completely
9702 out of date with reality.
9704 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9706 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9708 * expr.c (emit_move_insn_1): Deal with non-default
9711 * expr.c (emit_single_push_insn): Fix warning.
9713 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9715 * expr.c (emit_move_insn_1): Avoid modifying
9716 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9718 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9720 * emit-rtl.c (adjust_address): New function.
9721 * expr.h (adjust_address): Add declaration.
9722 * builtins.c: Replace some calls to change_address with calls to it
9724 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9725 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9726 * config/arm/arm.c, config/convex/convex.c: Likewise.
9727 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9728 * config/i386/i386.c, config/i386/i386.md: Likewise.
9729 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9730 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9731 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9732 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9733 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9735 2001-07-02 Jim Wilson <wilson@redhat.com>
9737 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9739 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9741 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9742 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9744 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9746 * cppinit.c (lang_defaults): New table.
9747 (set_lang): Just read from lang_defaults into the live options
9750 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9752 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9753 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9754 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9756 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9758 * doc/install.texi: Various spelling and markup fixes.
9759 (Installing GCC): Component specific installation instructions are
9762 Warn about removing old install dir in the presence of shared libs.
9763 (Configuration): Invoke with options target to match configure
9765 Consistently refer to gas, gld pathnames.
9766 Invert --enable-multilib documentation.
9767 Remove references to old compiler versions.
9769 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9771 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9773 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9775 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9777 (Specific, mips*-sgi-irix5): Note IDO download.
9778 Reworded MIPS C hints.
9779 Use GNU as instead of GAS.
9781 Removed SGI Freeware reference, IRIX 6 only.
9782 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9783 Note N64 library requirement/workaround.
9785 Complete list of structure passing bug victims.
9787 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9789 * doc/install.texi: Remove CVS Id.
9791 2001-07-02 Andreas Jaeger <aj@suse.de>
9793 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9794 (find_inherently_necessary): Remove unused variable.
9796 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9798 * c-common.h (TDI_inlined): New ast dump phase.
9799 (dump_flag_name): New function.
9800 * c-dump.c (dump_files): Add inlined phase.
9801 (dump_flag_name): Define.
9802 * doc/invoke.texi (-fdump-ast-inlined): Document.
9804 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9806 * stor-layout.c (layout_decl): Revert change to handling of alignment
9809 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9811 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9814 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9816 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9819 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9821 * tlink.c (recompile_files): Remove COMPILER_PATH and
9822 LIBRARY_PATH from the environment.
9824 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9826 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9827 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9829 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9831 * c-parse.in (OBJC_STRING): Kill.
9832 (objc_string): Decompose to [objc_string] '@' STRING.
9833 (reswords): Take the leading '@' off all the Objective C keywords.
9834 (objc_rid_sans_at): Kill.
9835 (init_reswords): Don't initialize it.
9836 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9837 (_yylex): Kill reconsider label. Look ahead one token after
9838 an '@'; if we get an identifier, check whether it's an
9839 Objective C @-keyword. If so, return the keyword. Otherwise,
9840 put back the token and return the '@' as a terminal.
9842 * cpplib.c (lex_macro_node): Remove unnecessary check for
9843 leading '@' on identifier. Clarify control flow and commentary.
9845 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9847 * cse.c (new_label_ref): Variable deleted.
9848 (insert): Remove set of new_label_ref.
9849 (check_for_label_ref): New function.
9850 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9852 See ChangeLog.5 for earlier changes.