1 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * rtl.def (MEM): Remove obsolete part of comment.
5 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
7 * c-format.c (init_function_format_info): Check __builtin_printf
8 and __builtin_fprintf even if -ffreestanding. Check C99 functions
11 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13 * c-common.c (format_attribute_table): Remove decl.
14 * tree.h (format_attribute_table, lang_attribute_table): New decls.
15 (lang_attribute_common): Likewise.
17 * function.c (fix_lexical_address): Use set_mem_alias_set.
18 (expand_function_start): Likewise.
19 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
21 * varasm.c (output_constant): Fix unused variable warning.
23 * attribs.c: New file, from c-common.c.
24 (attribute_tables): Now four elements.
25 (format_attribute_table, lang_attribute_common): New variables.
26 (init_attributes): Reflect above changes.
27 (handle_mode_attribute): Delete check for wider than uintmax.
28 * c-common.c: Delete parts moved to attribs.c.
29 (enum attrs): Deleted; unused.
30 (c_format_attribute_table): New variable.
31 (c_common_lang_init): Initialize format_attribute_table with it.
32 * c-common.h (decl_attributes): Remove decl.
33 * tree.h (decl_attribute): Move it to here.
34 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
35 (attribs.o): New rule.
37 2001-09-22 Andreas Jaeger <aj@suse.de>
39 * builtins.c (c_getstr): Remove unused variable.
41 2001-09-21 Richard Henderson <rth@redhat.com>
43 * reload1.c (reload): Use delete_insn instead of splatting
46 2001-09-21 Richard Henderson <rth@redhat.com>
48 * reload.c (push_secondary_reload): Don't check for "=" in output
49 constraint after ""->ALL_REGS check.
51 2001-09-21 Richard Henderson <rth@redhat.com>
53 * predict.c (expected_value_to_br_prob): Use pc_set.
55 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
56 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
58 2001-09-21 Richard Henderson <rth@redhat.com>
60 * rtl.h (LCT_RETURNS_TWICE): New.
61 * calls.c (emit_call_1): Set current_function_calls_setjmp for
63 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
65 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
68 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
70 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
73 2001-09-21 Richard Henderson <rth@redhat.com>
75 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
78 2001-09-21 Richard Henderson <rth@redhat.com>
80 * tree.def (FDESC_EXPR): New.
81 * expr.c (expand_expr): Handle it.
82 * varasm.c (initializer_constant_valid_p): Likewise.
83 (output_constant): Likewise.
84 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
85 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
86 (ASM_OUTPUT_FDESC): New.
87 * doc/tm.texi: Document the new macros.
89 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
91 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
92 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
93 once merging is complete.
95 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
97 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
99 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
101 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
102 that would be invalid after a merge.
104 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
106 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
107 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
109 (flow_delete_insn): This one.
110 (delete_insn_chain): Rename from ...; do not care labels.
111 (flow_delete_insn_chain): ... this one.
112 (flow_delete_block): Remove the insns one BB has been expunged.
113 (merge_blocks_nomove): Likewise.
114 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
115 updating BB boundaries.
116 (tidy_fallthru_edge): Likewise.
117 (commit_one_edge_insertion): Likewise.
118 * cfgbuild.c (find_basic_block): Likewise.
119 (find_basic_blocks_1): Likewise.
120 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
121 (try_crossjump_to_edge): Likewise.
122 (try_optimize_cfg): Likewise.
123 * cse.c (delete_trivially_dead_insns): Likewise.
124 * df.c (df_insn_delete): Likewise.
125 * doloop.c (doloop_modify): Use delete_related_insns.
126 * emit-rtl.c (try_split): Likewise.
127 (remove_insn): Update BB boundaries.
128 * expect.c (connect_post_landing_pads): Use delete_related_insns.
129 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
130 updating BB boundaries.
131 (propagate_block_delete_insn): Likewise.
132 (propagate_block_delete_libcall): Likewise.
133 * function.c (delete_handlers): Use delete_related_insns.
134 (thread_prologue_and_epilogue_insns): Likewise.
135 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
136 * genpeep.c (gen_peephole): Use delete_related_insns.
137 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
139 (find_cond_trap): Likewise.
140 * integrate.c (save_for_inline): Use delete_related_insns.
141 (copy_insn_list): Likewise.
142 * jump.c (pruge_linie_number_notes): Likewise.
143 (duplicate_loop_exit_test): Likewise.
144 (delete_computation): Likewise.
145 (delete_related_insn): Rename from ...; use delete_insn
146 (delete_insn): ... this one.
147 (redirect_jump): Use delete_related_insns.
148 * loop.c (scan_loop): Likewise.
149 (move_movables): Likewise.
150 (find_and_verify_loops): Likewise.
151 (check_dbra_loop): Likewise.
152 * recog.c (peephole2_optimize): Likewise.
153 * reg-stack.c (delete_insn_for_stacker): Remove.
154 (move_for_stack_reg): Use delete_insn.
155 * regmove.c (combine_stack_adjustments_for_block): Likewise.
156 * reload1.c (delete_address_reloads): Use delete_related_insns.
157 (fixup_abnormal_edges): Use delete_insn.
158 * recog.c (emit_delay_sequence): Use delete_related_insns.
159 (delete_from-delay_slot): Likewise.
160 (delete_scheduled_jump): likewise.
161 (optimize_skip): Likewise.
162 (try_merge_delay_insns): Likewise.
163 (full_simple_delay_slots): Likewise.
164 (fill_slots_from_thread): Likewise.
165 (relax_delay_slots): Likewise.
166 (make_return_insns): Likewise.
167 (dbr_schedule): Likewise.
168 * rtl.h (delete_insn): Rename to delete_related_insns.
169 (delete_insn, delete_insn_chain): New prototypes.
170 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
171 by df_insn_delete already.
172 * ssa-dce.c (delete_insn_bb): Use delete_insn.
173 * ssa.c (convert_from_ssa): Use delete_related_insns.
174 * unroll.c (unroll_loop): Likewise.
175 (calculate_giv_inc): Likewise.
176 (copy_loop_body): Likewise.
178 * i386-protos.h (ix86_libcall_value, ix86_function_value,
179 ix86_function_arg_regno_p, ix86_function_arg_boundary,
180 ix86_return_in_memory, ix86_function_value): Declare.
181 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
182 new static valurables.
183 (x86_64_reg_class): New enum
184 (x86_64_reg_class_name): New array.
185 (classify_argument, examine_argument, construct_container,
186 merge_classes): New static functions.
187 (optimization_options): Enable flag_omit_frame_pointer and disable
188 flag_pcc_struct_return on 64bit.
189 (ix86_libcall_value, ix86_function_value,
190 ix86_function_arg_regno_p, ix86_function_arg_boundary,
191 ix86_return_in_memory, ix86_function_value): New global functions.
192 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
193 (function_arg_advance): Handle x86_64 passing conventions.
194 (function_arg): Likewise.
195 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
196 (RETURN_IN_MEMORY): Move offline.
197 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
198 (FUNCTION_VALUE_REGNO_P): New macro.
199 (FUNCTION_ARG_REGNO_P): Move offline.
200 (struct ix86_args): Add maybe_vaarg.
201 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
202 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
204 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
206 * s390.md: Changed attributes for scheduling.
207 * s390.c: (s390_adjust_cost, s390_adjust_priority)
210 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
212 Table-driven attributes.
213 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
214 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
215 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
216 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
217 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
218 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
219 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
220 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
221 * tree.h (struct tree_decl): Change machine_attributes to
223 * doc/c-tree.texi: Document that all attributes are now attached
225 * c-common.c (add_attribute, attrtab, attrtab_idx,
226 default_valid_lang_attribute, valid_lang_attribute): Remove.
227 (attribute_tables, attributes_initialized,
228 c_common_attribute_table, default_lang_attribute_table): New
230 (handle_packed_attribute, handle_nocommon_attribute,
231 handle_common_attribute, handle_noreturn_attribute,
232 handle_unused_attribute, handle_const_attribute,
233 handle_transparent_union_attribute, handle_constructor_attribute,
234 handle_destructor_attribute, handle_mode_attribute,
235 handle_section_attribute, handle_aligned_attribute,
236 handle_weak_attribute, handle_alias_attribute,
237 handle_no_instrument_function_attribute,
238 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
239 handle_no_limit_stack_attribute, handle_pure_attribute): New
241 (init_attributes, decl_attributes): Rewrite to implement
242 table-driven attributes.
243 * c-common.h (enum attribute_flags): Move to tree.h.
244 * c-format.c (decl_handle_format_attribute,
245 decl_handle_format_arg_attribute): Rename to
246 handle_format_attribute and handle_format_arg_attribute. Update
247 for table-driven attributes.
248 * c-common.h (decl_handle_format_attribute,
249 decl_handle_format_arg_attribute): Remove prototypes.
250 (handle_format_attribute, handle_format_arg_attribute): Add
252 * c-decl.c (grokdeclarator): Handle attributes nested inside
254 * c-parse.in (setattrs, maybe_setattrs): Remove.
255 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
256 Update to handle nested attributes properly.
257 (maybe_resetattrs, after_type_declarator,
258 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
259 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
261 (make_pointer_declarator): Update to handle nested attributes
263 * doc/extend.texi: Update documentation of limits of attributes
264 syntax. Warn about problems with attribute semantics in C++.
265 * target.h (struct target): Remove valid_decl_attribute and
266 valid_type_attribute. Add attribute_table and
267 function_attribute_inlinable_p.
268 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
269 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
270 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
272 (TARGET_INITIALIZER): Update.
273 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
275 (function_attribute_inlinable_p): New function. Check for the
276 presence of any machine attributes before using
277 targetm.function_attribute_inlinable_p.
278 (function_cannot_inline_p): Update.
279 * Makefile.in (integrate.o): Update dependencies.
280 * doc/tm.texi: Update documentation of target attributes and
281 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
282 * tree.c (default_valid_attribute_p, valid_machine_attribute):
284 (default_target_attribute_table,
285 default_function_attribute_inlinable_p): New.
286 (lookup_attribute): Update comment to clarify handling of multiple
287 attributes with the same name.
288 (merge_attributes, attribute_list_contained): Allow multiple
289 attributes with the same name but different arguments to appear in
290 the same attribute list.
291 * tree.h (default_valid_attribute_p): Remove prototype.
292 (struct attribute_spec): New.
293 (default_target_attribute_table): Declare.
294 (enum attribute_flags): Move from c-common.h. Add
295 ATTR_FLAG_TYPE_IN_PLACE.
296 (default_function_attribute_inlinable_p): Declare.
297 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
298 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
299 (TARGET_ATTRIBUTE_TABLE): Define.
300 (vms_attribute_table): New.
301 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
302 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
303 (TARGET_ATTRIBUTE_TABLE): Define.
304 (arc_attribute_table, arc_handle_interrupt_attribute): New.
305 * config/arm/arm.c (arm_valid_type_attribute_p,
306 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
308 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
310 (TARGET_ATTRIBUTE_TABLE): Define.
311 (arm_attribute_table, arm_handle_fndecl_attribute,
312 arm_handle_isr_attribute): New.
313 * config/avr/avr.c (avr_valid_type_attribute,
314 avr_valid_decl_attribute): Remove.
315 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
317 (TARGET_ATTRIBUTE_TABLE): Define.
318 (avr_attribute_table, avr_handle_progmem_attribute,
319 avr_handle_fndecl_attribute): New.
320 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
321 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
322 (TARGET_ATTRIBUTE_TABLE): Define.
323 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
324 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
325 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
326 (TARGET_ATTRIBUTE_TABLE): Define.
327 (h8300_attribute_table, h8300_handle_fndecl_attribute,
328 h8300_handle_eightbit_data_attribute,
329 h8300_handle_tiny_data_attribute): New.
330 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
331 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
333 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
335 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
336 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
338 (TARGET_ATTRIBUTE_TABLE): Define.
339 (ix86_attribute_table, ix86_handle_cdecl_attribute,
340 ix86_handle_regparm_attribute): New.
341 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
342 i386_pe_valid_type_attribute_p): Remove.
343 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
344 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
345 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
346 (TARGET_ATTRIBUTE_TABLE): Define.
347 (ia64_attribute_table): New.
348 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
349 interrupt_ident2, model_ident1, model_ident2): Remove.
350 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
351 (TARGET_ATTRIBUTE_TABLE): Define.
352 (init_idents): Update.
353 (m32r_attribute_table, m32r_handle_model_attribute): New.
354 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
356 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
357 (TARGET_ATTRIBUTE_TABLE): Define.
358 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
359 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
360 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
361 (TARGET_ATTRIBUTE_TABLE): Define.
362 (mcore_attribute_table, mcore_handle_naked_attribute): New.
363 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
364 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
365 (TARGET_ATTRIBUTE_TABLE): Define.
366 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
367 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
368 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
369 (TARGET_ATTRIBUTE_TABLE): Define.
370 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
371 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
372 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
373 (TARGET_ATTRIBUTE_TABLE): Define.
374 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
375 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
377 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
379 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
380 (TARGET_ATTRIBUTE_TABLE): Define.
381 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
383 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
384 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
385 (TARGET_ATTRIBUTE_TABLE): Define.
386 (v850_attribute_table, v850_handle_interrupt_attribute,
387 v850_handle_data_area_attribute): New.
388 * config/v850/v850-c.c (mark_current_function_as_interrupt):
389 Return void. Call decl_attributes instead of
390 valid_machine_attribute.
392 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
394 * sh-protos.h (sh_pr_n_sets): Declare.
395 * sh.c (calc_live_regs): If the initial value for PR has been copied,
396 look at the copy to determine if PR needs to be saved.
397 sh_pr_n_sets: New function.
398 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
399 (ALLOCATE_INITIAL_VALUE): Define.
401 * sh.c (initial_elimination_offset):
402 Fix RETURN_ADDRESS_POINTER_REGNUM case.
404 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
406 * integrate.c (allocate_initial_values): New function.
407 * integrate.h (allocate_initial_values): Declare.
408 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
410 * reload1.c (reload): And initialization of reg_equiv_memory_loc
412 * toplev.c (rest_of_compilation): To here.
413 Call allocate_initial_values.
414 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
416 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
418 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
420 2001-09-20 DJ Delorie <dj@redhat.com>
422 * c-typeck.c (really_start_incremental_init): Discriminate
423 between zero-length arrays and flexible arrays.
424 (push_init_level): Detect zero-length arrays and handle them
425 like fixed-sized arrays.
426 * expr.c (store_constructor): Handle zero-length arrays and
427 flexible arrays correctly.
428 * doc/extend.texi: Update zero-length array notes.
430 2001-09-20 Jim Wilson <wilson@redhat.com>
432 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
433 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
434 for issue port conflicts.
435 (cycle_end_fill_slots): TYPE_L instructions take two slots.
437 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
439 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
442 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
444 * fold-const.c (hashtab.h): Include.
445 (int_const_binop): Remove FORSIZE arg and compute from type; all
447 Call size_int_type_wide for all single-word constants.
448 (size_htab_hash, size_htab_eq): New functions.
449 (size_int_type_wide): Rework to use hash table.
450 * ggc-common.c (hashtab.h): Include.
451 (struct d_htab_root): New struct.
452 (d_htab_roots): New variable.
453 (ggc_add_deletable_htab, ggc_htab_delete): New functions
454 (ggc_mark_roots): Handle deletable htabs.
455 * ggc-page.c (ggc_marked_p): New function.
456 * ggc-simple.c (ggc_marked_p): Likewise.
457 * ggc.h: Reformatting throughout.
458 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
459 * tree.c (init_obstacks): Make type_hash_table a deletable root.
460 (type_hash_add): Allocate struct type_hash from GC memory.
461 (mark_hash_entry, mark_type_hash): Deleted.
462 (type_hash_marked_p, type_hash_mark): New functions.
463 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
465 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
467 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
470 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
472 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
473 array-too-large test for signed sizetype.
475 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
477 * i386.md (indirect_jump): Allow Pmode operand.
478 (tablejump): LIkewise; perform expansion to 64bit mode.
479 * i386.c (symbolic_operand): Allow 64bit PIC references.
480 (pic_symbolic_operand): Likewise.
481 (ix86_find_base_term): Strip the 64bit PIC references.
482 (legitimate_pic_address_disp_p): Handle 64bit PIC.
483 (legitimize_pic_address): Likewise.
484 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
485 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
487 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
489 * stringpool.c (get_identifier_with_length): New function.
490 * tree.h (get_identifier_with_length): New prototype.
492 2001-09-19 Alan Modra <amodra@bigpond.net.au>
493 David Edelsohn <edelsohn@gnu.org>
496 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
497 already sign-extended.
499 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
500 * config/rs6000/rs6000.c (logical_operand): Always compare op as
502 (rs6000_emit_set_long_const): Avoid unnecessary shift.
503 (output_profile_hook): Declare label_name const.
504 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
505 to match constraints.
507 2001-09-19 Stan Shebs <shebs@apple.com>
509 * alias.c: Fix typos in comments.
510 * sched-rgn.c (init_ready_list): Ditto.
511 * unwind-dw2.c (uw_frame_state_for): Ditto.
512 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
513 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
514 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
516 2001-09-19 Richard Henderson <rth@redhat.com>
518 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
520 * Makefile.in (cfg.o): Depend on TM_P_H.
522 2001-09-19 Richard Henderson <rth@redhat.com>
524 * config/alpha/alpha.c (local_symbol_p): Split out from ...
525 (local_symbolic_operand): ... here.
526 (small_symbolic_operand): Check mode.
527 (global_symbolic_operand): New.
528 (input_operand): Reject symbolics if explicit relocs.
529 (call_operand): Tidy.
530 (alpha_legitimize_address): Use movdi_er_high_g.
531 (alpha_expand_mov): Likewise.
532 * config/alpha/alpha-protos.h: Update.
533 * config/alpha/alpha.h (PREDICATE_CODES): Update.
534 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
535 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
536 (UNSPECV_LDGP2): Remove.
537 (all call patterns): Use 's' not 'i' for symbolic constraint.
538 (call_osf call_value_osf): Use call_operand.
539 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
540 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
541 (prologue_ldgp_1_er): Remove.
542 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
543 (builtin_setjmp_receiver_er patterns): Use them.
544 (exception_receiver_er): Likewise.
546 2001-09-19 Richard Henderson <rth@redhat.com>
548 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
550 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
551 and NON_LOCAL_GOTO notes.
552 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
553 copy over CALL_INSN_FUNCTION_USAGE.
555 2001-09-18 Catherine Moore <clm@redhat.com>
557 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
560 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
562 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
563 new-style tm_file specification. Specify correct tm_p_file,
564 md_file, and out_file for s390x.
566 * config/s390/linux.h, linux64.h: Don't include other target
567 macro header files. Now handled via tm_file.
569 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
570 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
571 are defined before use.
573 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
575 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
576 code generation only for Gnu assembler.
578 2001-09-18 Catherine Moore <clm@redhat.com>
580 * config/stormy16 (LIB_SPEC): Remove -lnosys.
582 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
584 * config/mips/mips.c (mips_frame_set): New.
585 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
586 a parallel frame-related expression with a set for each register.
588 2001-09-18 Philip Blundell <philb@gnu.org>
590 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
593 2001-09-17 Dale Johannesen <dalej@apple.com>
595 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
596 * config/rs6000/aix.h (FIXED_R2): Define.
597 * config/rs6000/darwin.h (FIXED_R2): Define.
598 * config/rs6000/sysv4.h (FIXED_R2): Define.
600 2001-09-17 Jeff Sturm <jsturm@one-point.com>
602 * except.c (dw2_build_landing_pads): New local
603 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
604 barrier after clobbers. Fixes c++/4012.
606 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
608 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
610 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
612 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
613 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
615 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
617 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
620 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
622 * cpphash.h (_cpp_lex_direct): New.
623 * cpplex.c (_cpp_lex_token): Update.
624 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
625 and increment that pointer.
626 * cppmacro.c (alloc_expansion_token): New.
627 (lex_expansion_token): Lex macro expansion directly into
630 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
632 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
634 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
636 * basic-block.h (free_bb_for_insn): Declare.
637 * bb-reorder.c (label_for_bb): Use block_label.
638 (emit_jump_to_block_after): Remove.
639 (insert_intra_1): Do not update block_for_insn.
640 (insert_inter_bb_scope_notes): Likewise; update bb->end
641 * cfg.c (free_bb_for_insn): New.
642 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
643 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
644 (commit_one_edge_insertion): Likewise.
645 (commit_one_edge_insertion): Do not update BB boundary.
646 (commit_edge_insertions): Do not call compute_bb_for_insn.
647 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
648 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
649 (merge_blocks_move_successor_nojumps): Likewise.
650 (try_crossjump_to_edge): Do not update block_for_insn.
651 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
652 * df.c (df_pattern_emit_later): Do not update BB boundary.
653 (df_jump_pattern_emit_after): Likewise.
654 (df_insn_move_before): Use emit_insn_before.
655 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
657 (add_insn_after, add_insn_before, emit_insns_after): Update BB
658 boundaries and basic_block_for_insn.
659 (reorder_insns_nobb): Rename from reorder_insns.
660 (reorder_insns): New.
661 (emit_block_insn_before, emit_block_insn_after): Kill.
662 * flow.c (check_function_return_warnings): Do not call
663 compute_bb_for_insn; Do not free basic_block_for_insn.
664 (attempt_auto_inc): Do not update basic_block_for_insn.
665 * function.c (emit_return_into_block): Likewise;
666 do not update BB boundaries.
667 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
668 (insert_insn_end_bb): Use emit_insn_before; Likewise.
669 (pre_insert_copy_insn): Likewise.
670 (update_ld_motion_notes): Likewise.
671 (insert_insn_start_bb): Likewise.
672 (replace_store_insn): Likewise.
673 * ifcvt.c (noce_process_if_block): Likewise.
674 (if_convert): Do not call compute_bb_for_insn.
675 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
676 Use emit_insn_before and emit_insn_after.
677 * recog.c (split_all_insns): Do not update BB boundaries;
678 Do not call compute_bb_for_insn.
679 (peephole2_optimize): Do not update BB boundaries.
680 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
682 (emit_swap_insn): Likewise.
683 (convert_regs_1): Likewise.
684 * reload1.c (reload): Call compute_bb_for_insn.
685 * rtl.h (reorder_insns_nobb): Declare.
686 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
687 * toplev.c (rest_of_compilation): Call free_bb_for_insn
688 at places CFG is invalidated; do not call compute_bb_for_insn.
690 * cfg.c (expunge_block): Invalidate BB structure.
692 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
695 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
697 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
699 * cpphash.h (_cpp_lex_token): Update prototype.
700 * cpplex.c (_cpp_lex_token): New prototype.
701 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
702 lex_macro_node, read_flag, do_pragma_poison): Update.
703 * cppmacro.c (cpp_get_token, parse_params,
704 lex_expansion_token): Update.
706 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
708 * cppmain.c (scan_translation_unit): Don't worry about
709 putting a space after hashes.
710 * cpplib.c (directive_diagnostics): New.
711 (_cpp_handle_directive): Update to use directive_diagnostics.
712 (run_directive): Don't toggle prevent_expansion.
713 (do_line): Backup in case of the line extension.
714 * cpplib.h (cpp_lexer_pos): Remove.
715 * cppmacro.c (_cpp_create_definition): Precede a leading #
718 2001-09-15 Richard Henderson <rth@redhat.com>
720 * c-typeck.c (comptypes): Handle zero-length arrays properly.
722 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
724 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
726 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
729 * tradcpp.c (handle_directive): Skip non-vertical space.
731 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
733 * cppmain.c (setup_callbacks): Set line callback only
734 if outputting preprocessed source.
736 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
738 * collect2.c (main): Const-ification.
739 * gcc.c (translate_options, process_command): Use xstrdup in
740 lieu of xmalloc/strcpy.
741 (main): Use concat in lieu of xmalloc/strcpy/strcat.
743 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
745 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
748 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
750 * scan-decls.c (scan_decls): Fix typo.
752 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
754 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
755 Split mlstring_pos into mls_line and mls_col.
756 * cppinit.c (cpp_create_reader): Initialize line to 1.
757 (cpp_destroy): Free tokenruns.
758 (push_include): Don't update lexer_pos.
759 * cpplex.c (unterminated, parse_string): Update.
760 (lex_token): Don't update lexer_pos, update.
761 * cpplib.c (if_stack): Save line instead of line + col.
762 (start_directive, _cpp_do__Pragma, do_else, do_elif,
763 push_conditional, _cpp_pop_buffer): Update.
764 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
765 (_cpp_create_definition): Update.
767 2001-09-15 Eric Christopher <echristo@redhat.com>
769 * config/mips/abi64.h: Add support for MEABI.
771 2001-09-15 Eric Christopher <echristo@redhat.com>
773 * config/mips/mips.md: Add unspec #2.
775 (reload_outdi): Ditto.
776 (reload_outsi): Ditto.
779 2001-09-15 Eric Christopher <echristo@redhat.com>
780 Jason Eckhardt <jle@redhat.com>
782 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
783 * config/mips/isa32-linux.h: New file.
784 * config/mips/isa3264.h: Ditto.
785 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
786 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
787 (output_block_mode): Support MEABI.
788 (function_arg): Ditto. Fix floating point arg passing.
789 (mips_va_start): Ditto.
790 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
792 (mips_asm_file_start): Add new section to pass abi to gdb.
793 (function_arg_pass_by_reference): Support MEABI.
794 (mips_parse_cpu): Support mips32 and mips64 processors.
795 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
796 TARGET_MIPS5KC. Support isa32 and isa64.
797 (processor_type): Add r4kc, r5kc, r20kc.
798 (GENERATE_MULT3_SI): New.
799 (GENERATE_MULT3_DI): Ditto.
800 (GENERATE_MULT3): Remove.
801 (ISA_HAS_64BIT_REGS): Add isa == 64.
802 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
803 (ISA_HAS_MADD_MSUB): New.
804 (ISA_HAS_CLZ_CLO): Ditto.
805 (ISA_HAS_DCLZ_DCLO): Ditto.
806 (ABI_GAS_ASM_SPEC): New.
807 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
810 (SUBTARGET_CC1_SPEC): Ditto.
811 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
812 (PAD_VARARGS_DOWN): Support MEABI.
813 (HARD_REGNO_NREGS): Move to mips.c.
814 (ASM_OUTPUT_IDENT): Add #undef.
815 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
816 (mulsi3): Use GENERATE_MULT3_SI.
817 (mulsi3_mult3): Ditto. Support mips32, mips64.
818 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
819 (mul_sub_si): New pattern.
820 (unnamed splitters): New.
821 (muldi3): Use GENERATE_MULT3_DI.
822 (muldi3_internal2): Ditto.
823 (movdicc): Support mips32.
824 * config/mips/t-isa3264: New file.
826 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
828 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
829 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
830 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
832 * reorg.c (fill_slots_from_thread): After call to
833 steal_delay_list_from_target, update own_thread as new_thread may
836 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
838 * cpperror.c (print_location): Take line and column, for
839 default positioning use the previously lexed token.
840 (_cpp_begin_message): Take line and column.
841 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
842 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
843 * cpphash.h (_cpp_begin_message): Update prototype.
844 * cppinit.c (push_include): Don't set output line.
845 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
846 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
847 (do_pragma): Kludge for front ends. Don't expand macros at all.
848 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
849 (struct cpp_token): Remove output_line.
850 (struct cpp_callbacks): New member line_change.
851 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
852 cpp_get_token): Preserve BOL flag.
853 (cpp_get_line): Remove.
854 (_cpp_backup_tokens): Remove useless abort().
855 * cppmain.c (cb_line_change): New.
856 (scan_translation_unit): Don't worry about starting new lines here.
857 * scan-decls.c (scan_decls): Update.
858 * c-lex.c (c_lex, init_c_lex): Update.
859 (cb_line_change, src_lineno): New.
861 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
863 * tree.c (append_random_chars): Generate the random
864 characters in a reproducable fashion.
866 2001-09-14 Richard Henderson <rth@redhat.com>
868 * config/i386/i386.c (internal_label_prefix): New.
869 (internal_label_prefix_len): New.
870 (override_options): Set them.
871 (local_symbolic_operand): New.
872 (legitimate_pic_address_disp_p): Use it.
873 (legitimize_pic_address): Likewise.
875 2001-09-14 Marc Espie <espie@openbsd.org>
877 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
880 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
882 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
883 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
885 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
887 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
888 invocation of SUBREG_REGNO_OFFSET.
890 * haifa-sched.c: Fix typo in FSF copyright statement.
891 * sched-deps.c: Fix typo in FSF copyright statement.
892 * sched-ebb.c: Fix typo in FSF copyright statement.
893 * sched-rgn.c: Fix typo in FSF copyright statement.
894 * sched-vis.c: Fix typo in FSF copyright statement.
896 * config.gcc: Move inclusion of arm elf specific header files
897 from the files themselves into the tm_file variable. Make
898 sure that elfos.h is included before target specific elf
900 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
902 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
903 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
904 ASM_OUTPUT_CASE_LABEL): Protect definition.
905 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
907 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
908 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
909 Remove duplicate definition.
910 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
911 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
912 (RDATA_SECTION_FUNCTION): Remove redundant definition.
913 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
914 Remove inclusion of arm/elf.h.
915 * config/arm/unknown-elf.h: as for conix-elf.h.
916 (STARTFILE_SPEC): Include crti.o and crtn.o.
917 * config/arm/linux-elf.h: as for conix-elf.h.
918 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
919 * config/arm/strongarm-elf.h: Remove inclusion of
921 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
922 * config/arm/unknown-elf-oabi.h: Remove inclusion of
923 unknown-elf.h and elf.h.
924 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
925 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
926 ASM_WEAKEN_LABEL): Remove redundant definition.
927 * config/arm/elf.h: Test for inclusion of elfos.h
928 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
929 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
930 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
931 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
932 redundant definition.
933 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
934 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
935 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
936 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
937 Add rules to build crti.o and crtn.o
938 * crti.asm: New file.
939 * crtn.asm: New file.
941 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
943 * c-parse.in (_yylex): Use _cpp_backup_tokens.
944 * cpphash.h (struct tokenrun): Add prev.
945 (struct lexer_state): Remove bol.
946 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
947 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
949 * cppinit.c (cpp_create_reader): Don't set bol.
950 (cpp_destroy): Don't free lookaheads.
951 * cpplex.c (lex_directive): Remove.
952 (next_tokenrun): Update.
953 (_cpp_lex_token): Clean up logic.
954 (lex_token): Update to return a pointer to lexed token, since it
955 can move to the start of the buffer. Simpify newline handling.
956 * cpplib.c (SEEN_EOL): Update.
957 (skip_rest_of_line): Remove lookahead stuff.
958 (end_directive): Line numbers are already incremented. Revert
959 to start of lexed token buffer if we can.
960 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
961 parse_answer): Use _cpp_backup_tokens.
962 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
963 instead. Don't check for EOL.
964 (do_include_common, do_line, do_pragma_system_header): Use
966 * cpplib.h (BOL, _cpp_backup_tokens): New.
967 * cppmacro.c (save_lookahead_token, take_lookahead_token,
968 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
969 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
970 (builtin_macro): Don't use cpp_get_line.
971 (cpp_get_line): Short term kludge.
972 (parse_arg): Handle directives in arguments here. Back up when
973 appropriate. Store EOF at end of argument list.
974 (funlike_invocation_p): Use _cpp_backup_tokens.
975 (push_arg_context): Account for EOF at end of list.
976 (cpp_get_token): Remove lookahead stuff. Update.
978 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
980 * c-parse.in (yyerror): Const-ification and/or static-ization.
981 * c-typeck.c (push_member_name): Likewise.
982 * collect2.c (main): Likewise.
983 * dbxout.c (dbxout_parms): Likewise.
984 * diagnostic.c (format_with_decl): Likewise.
985 * dwarf2out.c (output_ranges): Likewise.
986 * dwarfout.c (fundamental_type_code): Likewise.
987 * except.c (dw2_output_call_site_table): Likewise.
988 * gcc.c (do_spec_1): Likewise.
989 * genopinit.c (optabs): Likewise.
990 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
991 gen_declaration_1, handle_impent): Likewise.
992 * protoize.c (default_include, in_system_include_dir, abspath):
994 * sched-vis.c (visualize_stall_cycles): Likewise.
995 * sdbout.c (plain_type_1, sdbout_end_function,
996 sdbout_end_epilogue): Likewise.
997 * varasm.c (decode_reg_name): Likewise.
999 * 1750a.c (mod_regno_adjust): Likewise.
1000 * alpha.c (alpha_write_one_linkage,
1001 unicosmk_output_default_externs): Likewise.
1002 * arm.c (arm_condition_codes): Likewise.
1003 * arm.h (arm_condition_codes): Likewise.
1004 * avr.c (output_movsisf, encode_section_info): Likewise.
1005 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1007 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1008 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1009 * m88k.c (output_function_profiler): Likewise.
1010 * mips.c (mips_output_conditional_branch): Likewise.
1011 * ns32k.c (ns32k_out_reg_names): Likewise.
1012 * ns32k.h (ns32k_out_reg_names): Likewise.
1013 * pj.c (pj_output_rval): Likewise.
1014 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1015 * sparc.c (sparc_flat_function_prologue,
1016 sparc_flat_function_epilogue): Likewise.
1018 2001-09-13 Markus Werle <numerical.simulation@web.de>
1019 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1021 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1022 Aachen University of Technology".
1024 2001-09-13 Andreas Schwab <schwab@suse.de>
1026 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1029 2001-09-13 Richard Henderson <rth@redhat.com>
1031 * config/alpha/alpha.c (small_symbolic_operand): New.
1032 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1033 (some_operand, input_operand): Don't handle HIGH.
1034 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1035 (alpha_expand_mov): Likewise.
1036 (print_operand) [H]: Just print HIGH symbol.
1037 (print_operand_address): Handle small data.
1038 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1039 (TARGET_SWITCHES): Add -msmall-data/large-data.
1040 (PIC_OFFSET_TABLE_REGNUM): New.
1041 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1042 (PREDICATE_COES): Update.
1043 * config/alpha/alpha.md (adddi_er_high): New.
1044 (adddi_er_low): Handle small data.
1045 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1046 prefer .sdata to .rodata.
1047 (SELECT_RTX_SECTION): Likewise.
1049 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1051 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1052 defining __size_t and leaving size_t undefined.
1054 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1056 * basic-block.h (expunge_block): Declare.
1057 * cfg.c (expunge_block): Remove static declaration.
1059 2001-09-12 Richard Henderson <rth@redhat.com>
1061 * integrate.c (copy_insn_list): Copy label name from
1062 NOTE_INSN_DELETED_LABEL.
1064 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1066 * c-common.c (c_tree_code_name): Const-ification.
1067 * c-decl.c (c_decode_option): Likewise.
1068 * c-typeck.c (warn_for_assignment): Likewise.
1069 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1071 * cppinit.c (output_deps): Likewise.
1072 * dependence.c (dependence_string, direction_string): Likewise.
1073 * dwarf2out.c (output_ranges): Likewise.
1074 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1075 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1076 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1077 standard_startfile_prefix, standard_startfile_prefix_1,
1078 standard_startfile_prefix_2, tooldir_base_prefix,
1079 standard_bindir_prefix, find_a_file): Likewise.
1080 * genattrtab.c (make_length_attrs): Likewise.
1081 * gencheck.c (tree_codes): Likewise.
1082 * genemit.c (gen_split): Likewise.
1083 * genrecog.c (special_mode_pred_table): Likewise.
1084 * graph.c (graph_ext): Likewise.
1085 * protoize (default_include): Likewise.
1086 * reload.c (reload_when_needed_name): Likewise.
1087 * sched-vis.c (visualize_stall_cycles): Likewise.
1088 * tlink.c (recompile_files): Likewise.
1089 * toplev.c (decode_g_option): Likewise.
1090 * tradcpp.c (output_deps): Likewise.
1091 * varasm.c (decode_reg_name): Likewise.
1093 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1096 * avr.c (avr_regnames, encode_section_info): Likewise.
1097 * c4x.c (float_reg_names): Likewise.
1098 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1099 * elfos.h (const_section): Likewise.
1100 * i386.c (ix86_comp_type_attributes): Likewise.
1101 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1102 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1103 * ia64.c (type_names): Likewise.
1104 * m68hc11.c (reg_class_names): Likewise.
1105 * m88k.c (m_options): Likewise.
1106 * mips.c (mips_output_conditional_branch, mips_unique_section):
1108 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1109 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1110 ultra_code_names): Likewise.
1111 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1113 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1115 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1116 Use --fatal-warnings option for gas.
1117 * configure: Rebuilt.
1119 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1121 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1123 2001-09-11 Jim Wilson <wilson@redhat.com>
1125 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1127 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1129 * builtins.c (c_strlen): Treat an offset too large for a
1130 HOST_WIDE_INT as out of range.
1132 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1134 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1135 (EDGE_CRITICAL_P): New predicate.
1136 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1138 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1139 (dump_edge_info): Remove "crit".
1140 * cfganal.c (mark_critical_edges): Kill.
1141 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1142 * cfgcleanup.c (cleanup_cfg): Likewise.
1143 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1144 (find_spanning_tree): Likewise.
1145 * reg-stack.c (convert_regs_1): Likewise.
1146 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1148 * basic-block.h (create_basic_block_structure): New.
1149 (create_basic_block): Update prototype.
1150 (force_nonfallthru): New.
1151 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1152 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1153 handle updating of block_for_insn, creating of empty BBs and BBs at
1154 the end of INSN chain.
1155 (create_basic_block): New function.
1156 (split_block): Use create_basic_block.
1157 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1158 (redirect_edge_and_branch_force): ... here.
1159 (force_nonfallthru): New.
1160 (split_edge): Rewrite to use force_nonfallthru and create_block.
1161 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1162 (find_basic_blocks): Free basic_block_for_insn.
1163 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1165 * cfg.c: Fix formating.
1166 * cfgcleanup.c: Fix formating.
1167 (merge_blocks, tail_recursion_label_p): Return bool.
1168 (merge_blocks_move_predecessor_nojumps,
1169 merge_blocks_move_successor_nojumps): Return void.
1171 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1173 * configure.in: Check whether assembler supports section merging.
1174 * config.in: Rebuilt.
1175 * configure: Rebuilt.
1176 * varasm.c (variable_section, output_constant_pool): Pass alignment
1177 to SELECT_SECTION and SELECT_RTX_SECTION.
1178 (mergeable_string_section): New.
1179 (mergeable_constant_section): New.
1180 (default_elf_asm_named_section): Output SECTION_MERGE and
1181 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1182 * output.h (mergeable_string_section): New.
1183 (mergeable_constant_section): New.
1184 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1185 * toplev.c (flag_merge_constants): New.
1186 (f_options): Add -fmerge-constants and -fmerge-all-constants
1188 (toplev_main): Default to -fno-merge-constants if not optimizing.
1189 * flags.h (flag_merge_constants): Add extern.
1190 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1191 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1193 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1194 Define if assembler has working .subsection -1 support.
1195 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1196 Put constant into special SHF_MERGE sections if the linker should
1197 attempt to merge duplicates.
1198 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1200 Put constant into special SHF_MERGE sections if the linker should
1201 attempt to merge duplicates.
1202 * config/alpha/elf.h: Likewise.
1203 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1204 has working .subsection -1 support.
1205 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1207 * config/svr3.h: Likewise.
1208 * config/darwin.h: Likewise.
1209 * config/arm/aof.h: Likewise.
1210 * config/arm/linux-elf.h: Likewise.
1211 * config/avr/avr.h: Likewise.
1212 * config/c4x/c4x.h: Likewise.
1213 * config/d30v/d30v.h: Likewise.
1214 * config/i386/dgux.h: Likewise.
1215 * config/i386/osfrose.h: Likewise.
1216 * config/i386/sco5.h: Likewise.
1217 * config/i386/svr3gas.h: Likewise.
1218 * config/ia64/aix.h: Likewise.
1219 * config/m32r/m32r.h: Likewise.
1220 * config/m68k/m68k.h: Likewise.
1221 * config/m88k/dgux.h: Likewise.
1222 * config/m88k/m88k.h: Likewise.
1223 * config/mcore/mcore-pe.h: Likewise.
1224 * config/mips/mips.h: Likewise.
1225 * config/pa/pa.h: Likewise.
1226 * config/pa/pa-linux.h: Likewise.
1227 * config/romp/romp.h: Likewise.
1228 * config/rs6000/sysv4.h: Likewise.
1229 * config/rs6000/xcoff.h: Likewise.
1230 * config/s390/linux.h: Likewise.
1231 * config/sparc/sparc.h: Likewise.
1232 * config/sparc/sysv4.h: Likewise.
1233 * config/stormy16/stormy16.h: Likewise.
1234 * config/v850/v850.h: Likewise.
1235 * config/vax/vms.h: Likewise.
1236 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1237 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1238 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1239 default_elf_asm_named_section for SHF_MERGE sections.
1241 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1243 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1246 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1248 * c-common.c (split_specs_attrs): Allow for empty attributes with
1249 empty TREE_PURPOSE. Fixes PR c/4294.
1251 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1253 * basic-block.h (cached_make_edge, make_single_succ): New.
1254 (make_edge): Remove first parameter.
1255 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1256 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1257 created edge; use obstack allocation.
1258 (make_edge, make_single_succ_edge): New.
1259 (first_removed_edge): New static variable.
1260 (init_flow): Initialize first_removed_edge and n_edges.
1261 (clear_edges): Use remove_edge.
1262 (flow_delete_block): Likewise.
1263 (remove_edge): Add removed edges to the removed edges list.
1264 (split_block, redirect_edge_and_branch_force, split_edge):
1266 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1267 (add_noreturn_fake_exit_edges): Likewise.
1268 (connect_infinite_loops_to_exit): Liekwise.
1269 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1270 Use cached_make_edge.
1271 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1272 * profile.c (branch_prob): Update make_edge call.
1273 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1275 2001-09-11 Richard Henderson <rth@redhat.com>
1277 * config/alpha/alpha.c: Tidy formatting.
1278 (local_symbolic_operand): Verify mode.
1279 (alpha_sa_mask): Ignore unicos for eh_return.
1280 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1281 * config/alpha/alpha.md (umk divsi patterns): Remove.
1282 (extendsfdf2): Remove unicos check.
1283 (tablejump): Merge vms and unicos code; always use direct set
1286 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1288 * config.gcc (alpha*-*-unicosmk*): New target.
1290 * config/alpha/alpha-protos.h (symbolic_operand,
1291 unicosmk_add_call_info_word, unicosmk_add_extern,
1292 unicosmk_defer_case_vector, unicosmk_unique_section,
1293 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1294 unicosmk_asm_file_start, unicosmk_asm_file_end,
1295 unicosmk_output_common): Declare.
1297 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1298 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1299 alpha_does_function_need_gp, alpha_end_function): Support Cray
1301 (alpha_init_machine_status, alpha_mark_machine_status,
1302 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1303 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1304 unicosmk_asm_named_section, unicosmk_insert_attributes,
1305 unicosmk_section_type_flags, symbolic_operand,
1306 unicosmk_output_module_name, unicosmk_output_default_externs,
1307 unicosmk_output_dex, unicosmk_output_externs,
1308 unicosmk_output_addr_vec, unicosmk_ssib_name,
1309 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1310 unicosmk_asm_file_end, unicosmk_output_common,
1311 unicosmk_section_type_flags, unicosmk_unique_section,
1312 unicosmk_add_call_info_word, unicosmk_text_section,
1313 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1314 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1315 unicosmk_dex_count, unicosmk_special_name): New.
1316 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1317 TARGET_ABI_UNICOSMK.
1318 (get_aligned_mem, alpha_expand_unaligned_load,
1319 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1320 alpha_expand_unaligned_store_words): Support big-endian mode.
1321 (print_operand): Likewise. New format specifier 't'. Use
1322 TARGET_AS_SLASH_BEFORE_SUFFIX.
1323 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1324 (alpha_pv_save_size): Update with above change.
1325 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1326 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1329 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1330 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1331 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1332 (EXTRA_CONSTRAINT): New constraint 'U'.
1333 (PREDICATE_CODES): Add symbolic_operand.
1335 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1336 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1337 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1338 (integer division and modulus patterns): Split in default and
1340 (*divmodsi_internal, *divmoddi_internal): Disable for
1341 TARGET_ABI_UNICOSMK.
1342 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1343 little-endian and big-endian versions.
1344 (ext, ins, msk): Likewise.
1345 (extv, extzv, insv): Support big-endian mode.
1346 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1347 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1348 *tablejump_umk_internal, *call_value_umk): New.
1349 (*movdi_nofix): Add pattern for loading an address into a register on
1350 TARGET_ABI_UNICOSMK.
1351 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1352 (umk_mismatch_args, arg_home_umk): New.
1353 (various insns): Don't use mov, fmov, nop, fnop and unop.
1354 (realign): Support TARGET_ABI_UNICOSMK.
1356 * config/alpha/unicosmk.h: New file.
1357 * config/alpha/t-unicosmk: New file.
1359 * fixinc/inclhack.def (unicosmk_restrict): New.
1360 * fixinc/fixincl.x: Regenerate.
1362 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1363 (wchar_t): Check for and define __WCHAR_T__.
1365 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1367 * combine.c (simplify_shift_const): Treat shifts by the mode
1370 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1372 * cpphash.h (struct tokenrun): New.
1373 (struct cpp_context): New member bol.
1374 (struct cpp_reader): New members.
1375 (_cpp_init_tokenrun): New.
1376 * cppinit.c (cpp_create_reader): Set up the token runs.
1377 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1378 (lex_token): New internalised version of _cpp_lex_token. Don't
1379 handle directives or the multiple include opimisation here any
1380 more. Simply lex a token.
1381 * cpplib.c (run_directive): Clear bol.
1382 (_cpp_pop_buffer): Set bol.
1383 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1386 2001-09-11 Michael Meissner <meissner@redhat.com>
1388 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1389 give an error if the user uses -mfp32.
1390 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1392 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1393 floating point register size.
1394 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1396 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1397 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1399 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1400 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1402 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1404 * dbxout.c (dbxout_parms): Fix typo in comment.
1405 * unroll.c (loop_find_equiv_value): Ditto.
1406 * toplev.c (rest_of_compilation): Ditto.
1407 * loop.c (scan_loop): Ditto.
1408 * dwarf2out.c (struct dw_fde_struct): Ditto.
1410 2001-09-10 Zack Weinberg <zackw@panix.com>
1412 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1413 copying identifier when we're just going to throw it away.
1414 (parse_identifier_slow): New routine to handle abnormal cases.
1415 (_cpp_lex_token): Update call site.
1417 * hashtable.c (ht_lookup): Don't assume that the string we've
1418 been given is NUL-terminated.
1419 * system.h: #define __builtin_expect(a, b) to (a) if not
1422 2001-09-10 Michael Meissner <meissner@redhat.com>
1424 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1427 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1429 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1431 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1433 * builtins.c (c_getstr): Correct thinko in last change and further
1436 2001-09-10 Tim Freeman <tim@fungibole.com>
1438 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1439 into varray's and register them as roots with the garbage
1440 collector so they are not collected too soon.
1442 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1444 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1446 * basic-block.h (flow_obstack, label_value_list,
1447 tail_recursion_label_list): Declare
1448 (tidy_fallthru_edges): Declare.
1449 (expunge_block, last_loop_beg_note): Delete.
1450 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1452 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1453 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1454 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1455 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1456 expunge_block, flow_delete_block, compute_bb_for_insn,
1457 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1458 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1459 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1460 try_redirect_by_replacing_jump, last_loop_beg_note,
1461 redirect_edge_and_branch, redirect_edge_and_branch_force,
1462 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1463 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1464 commit_edge_insertions, dump_flow_info, debug_flow_info,
1465 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1466 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1467 Move here from flow.c
1468 * cfganal.c: New file.
1469 (forwarder_block_p, can_fallthru, mark_critical_edges,
1470 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1471 find_unreachable_blocks, create_edge_list, free_edge_list,
1472 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1473 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1474 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1475 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1476 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1477 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1478 Move here from flow.c
1479 * cfgbuild.c: New file
1480 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1481 make_edges, find_basic_blocks_1, find_basic_blocks,
1482 find_sub_basic_blocks): Move here from flow.c
1483 * cfgcleanup.c: New file.
1484 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1485 merge_blocks_move_predecessor_nojumps,
1486 merge_blocks_move_successor_nojumps, merge_blocks,
1487 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1488 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1489 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1491 * cfgloop.c: New file
1492 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1493 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1494 flow_loop_exit_edges_find, flow_loop_nodes_find,
1495 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1496 flow_loop_tree_node_add, flow_loops_tree_build,
1497 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1498 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1499 Move here from flow.c
1500 * flow.c: Remove everything moved elsewhere
1501 * output.h (cleanup_cfg): Return bool.
1503 * bb-reorder.c (reorder_block_def): Remove 'index'.
1504 (insert_intra_1): Add argument BB, set block for new note.
1505 (make_reorder_chain): Do not depdent on BB indexes.
1506 (make_reorder_chain_1): Do not use BB indexes.
1507 (label_for_bb): Likewise; set BB for new insn.
1508 (emit_jump_to_block_after): Likewise.
1509 (fixup_reoder_chain): Sanity check that all basic blocks
1510 are chained; verify newly created insn chain; remove
1511 undocnitional jump simplifying; Do not use BB indexes;
1512 properly initialize count and frequency information;
1513 dump reordered sequence.
1514 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1515 (insert_inter_bb_scope_notes): Set block for new insn.
1516 (reorder_basic_blocks): Dump flow info before reoredering.
1518 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1520 * alias.c (clear_reg_alias_info): Use K&R format definition.
1521 Avoid unsigned warning.
1522 * builtins.c: Use "unsigned int", not "unsigned".
1523 (target_char_cast): Use host_integerp and tree_low_cst.
1524 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1525 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1526 (c_getstr): Likewise.
1527 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1528 (builtin_memcpy_read_str): Avoid unsigned warning.
1529 (expand_builtin_memcpy): Alignments are unsigned.
1530 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1531 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1532 * predict.c (expensive_function_p): LIMIT now unsigned.
1533 * resource.c (mark_target_live_regs): Make some vars unsigned.
1534 * sdbout.c: Use "unsigned int", not "unsigned".
1535 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1536 (sdbout_source_line): Likewise.
1537 (sdbout_record_type_name): Remove "const" for NAME declaration.
1538 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1540 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1542 * calls.c (store_one_arg): Expand comment.
1544 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1546 * calls.c (store_one_arg): Make sure that the entire argument is
1547 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1549 2001-09-09 Richard Henderson <rth@redhat.com>
1551 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1553 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1555 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1557 2001-09-09 Richard Henderson <rth@redhat.com>
1559 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1560 (alpha_this_literal_sequence_number): New.
1561 (alpha_this_gpdisp_sequence_number): New.
1562 (some_operand, input_operand): Add HIGH.
1563 (local_symbolic_operand): New.
1564 (alpha_encode_section_info): New.
1565 (alpha_legitimate_address_p): Allow LO_SUM.
1566 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1567 (alpha_expand_mov): Likewise.
1568 (secondary_reload_class): Check memory_operand not general_operand
1570 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1571 (alpha_expand_unaligned_store): Likewise.
1572 (alpha_expand_unaligned_load_words): Likewise.
1573 (alpha_expand_unaligned_store_words): Likewise.
1574 (alpha_expand_block_clear): Likewise.
1575 (print_operand): Handle %#, %*, %H.
1576 (print_operand_address): Handle LO_SUM.
1578 (alpha_does_function_need_gp): Use it.
1579 (alpha_expand_block_move): Fix signed compare warnings.
1580 (alpha_sa_mask, alpha_align_insns): Likewise.
1581 * config/alpha/alpha-protos.h: Update.
1582 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1583 (MASK_EXPLICIT_RELOCS): New.
1584 (TARGET_SWITCHES): Add -mexplicit-relocs.
1585 (EXTRA_CONSTRAINT): Add 'T'.
1586 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1587 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1588 (ENCODE_SECTION_INFO): Out line.
1589 (REDO_SECTION_INFO_P): New.
1590 (STRIP_NAME_ENCODING): New.
1591 (ASM_OUTPUT_LABELREF): New.
1592 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1593 (PREDICATE_CODES): Update.
1594 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1595 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1596 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1597 builtin_setjmp_receiver_er, exception_receiver_1_er,
1598 call_value_osf_1_er): New patterns.
1599 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1600 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1601 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1602 (FINAL_PRESCAN_INSN): New.
1604 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1606 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1608 2001-09-08 Andreas Jaeger <aj@suse.de>
1610 * i386.h (TARGET_SWITCHES): Fix description.
1612 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1614 * rs6000.c (num_insns_constant): Compute number of instructions
1617 * doc/install.texi: Explain AIX exception handling work-around.
1618 Update URL for AIX fixes.
1620 2001-09-07 Jim Wilson <wilson@redhat.com>
1622 * alias.c (clear_reg_alias_info): New.
1623 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1624 * rtl.h (clear_reg_alias_info): Declare.
1626 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1628 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1630 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1631 (m16m,edivm,emulm): Change declaration to match definition.
1633 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1635 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1636 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1639 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1641 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1642 which have no corresponding C type.
1643 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1644 the representation of 64-bit doubles to work with 64-bit ints.
1646 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1648 * config/mips/mips.c (override_options): Do not override ISA when ABI
1649 specified if MIPS_CPU_STRING_DEFAULT was specified.
1651 2001-09-07 Richard Henderson <rth@redhat.com>
1653 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1654 (express_from_1): Wrap lines.
1655 * rtlanal.c (commutative_operand_precedence): Rename from
1656 operand_preference; export.
1657 * rtl.h: Declare it.
1658 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1659 (simplify_binary_operation): Invoke simplify_plus_minus on
1660 (CONST (PLUS ...)) as well.
1661 (struct simplify_plus_minus_op_data): New.
1662 (simplify_plus_minus_op_data_cmp): New.
1663 (simplify_plus_minus): Use them. Avoid infinite recursion with
1664 simplify_binary_operation wrt CONST.
1666 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1668 * h8300-protos.h (general_operand_dst_push): Remove.
1669 * h8300.c (general_operand_dst_push): Likewise.
1670 * h8300.h (OK_FOR_T): Likewise.
1671 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1672 * h8300.md (pushqi_h8300): New.
1673 (pushqi_h8300hs): Likewise.
1675 (pushhi_h8300): Likewise.
1676 (pushhi_h8300hs): Likewise.
1679 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1681 * genattrtab.c (attr_printf): First arg is unsigned.
1682 Clean up formatting of callers.
1684 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1686 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1689 2001-09-07 Andreas Jaeger <aj@suse.de>
1691 * i386.h (TARGET_SWITCHES): Fix descriptions.
1693 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1695 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1697 2001-09-06 Ira Ruben <ira@apple.com>
1699 Remove OP_IDENTIFIER.
1700 * tree.def (OP_IDENTIFIER): Remove.
1701 * tree.c (tree_node_kind enum): Remove op_id_kind.
1702 (tree_node_kind_names): Remove "op_identifiers".
1703 (make_node): Remove OP_IDENTIFIER test.
1704 (build_op_identifier): Removed because it isn't being used.
1705 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1706 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1708 2001-09-06 Richard Henderson <rth@redhat.com>
1710 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1712 2001-09-06 Richard Henderson <rth@redhat.com>
1714 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1717 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1719 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1720 number used for CR register.
1722 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1723 Joern Rennecke (amylaar@cygnus.com)
1725 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1726 * h8300.c (initial_offset): Handle offset between RP and FP.
1727 (h8300_return_addr_rtx): New function.
1728 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1730 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1731 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1732 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1733 (CAN_ELIMINATE, REGISTER_NAMES):
1734 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1736 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1738 Remove TYPE_NONCOPIED_PARTS.
1739 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1740 (struct tree_type): Remove noncopied_parts.
1741 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1742 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1743 (fixed_type_p): Remove.
1744 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1745 (expand_expr, MODIFY_EXPR): Likewise.
1746 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1747 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1749 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1751 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1753 (mask64_operand): Likewise.
1754 (includes_rldic_lshift_p): Likewise.
1755 (includes_rldicr_lshift_p): Likewise.
1757 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1759 * objc/objc-act.c (build_message_expr): If a class method cannot
1760 be found, do not issue a warning if a corresponding instance
1761 method exists in the root class.
1763 2001-09-05 Richard Henderson <rth@redhat.com>
1765 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1767 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1769 * function.c (ggc_mark_struct_function): Mark f->outer.
1770 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1771 * integrate.c (output_inline_function): ... not here.
1773 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1775 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1777 * i386.c (size_cost): New static variable.
1778 (override_function): Use size_cost when -Os is specified.
1780 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1781 properly; Use current_function_calls_eh_return.
1782 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1783 use leave to avoid depdendancy chain.
1785 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1786 get BB loop_depth instead of computing it from LOOP notes.
1788 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1790 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1792 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1793 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1794 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1796 2001-09-05 Jeffrey A Law (law@cygnus.com)
1797 Jason Merrill (jason@redhat.com)
1799 * stor-layout.c (layout_type): Complain if an array's size can
1800 not be represented in a size_t.
1802 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1804 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1806 * gcc.c: (process_command) Add parentheses around assignment
1807 used as truth value.
1809 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1811 * config/mips/mips.c (save_restore_insns): Don't mark any register
1812 save slots as unchanging if current_function_calls_eh_return.
1814 2001-09-05 Richard Henderson <rth@redhat.com>
1816 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1817 * config/alpha/alpha-protos.h: Declare it.
1818 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1819 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1820 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1821 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1822 (REG_OK_FOR_BASE_P): Select one of the above.
1824 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1826 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1827 (crti.o): Prefix name of object file with $(T).
1830 2001-09-05 David S. Miller <davem@redhat.com>
1832 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1833 * config/sparc/linux64.h: Likewise.
1835 2001-09-05 Andreas Jaeger <aj@suse.de>
1837 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1838 available anymore, remove the documentation.
1839 (i386 Options): Fix typo, cleanup index entries.
1841 * prefix.c (concat): Remove, we can use the version from liberty.
1843 2001-09-05 Richard Henderson <rth@redhat.com>
1845 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1846 New functions split out of md file expanders.
1847 * config/alpha/alpha-protos.h: Declare them.
1848 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1850 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1852 * cppmacro.c (funlike_invocation_p): No need to restore context.
1854 2001-09-04 Richard Henderson <rth@redhat.com>
1856 * reload.c (push_reload): Export.
1857 * reload.h (push_reload): Declare it.
1859 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1860 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1861 * config/alpha/alpha.c (alpha_legitimize_address): New.
1862 (alpha_legitimize_reload_address): Likewise.
1863 * config/alpha/alpha-protos.h: Declare them.
1865 2001-09-04 Stan Shebs <shebs@apple.com>
1867 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1868 * config/darwin.c (machopic_stub_name): Account for internally
1869 generated lib calls such as memcpy.
1871 2001-09-04 Richard Henderson <rth@redhat.com>
1873 * unwind.h (_UA_END_OF_STACK): New flag.
1874 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1876 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1878 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1880 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1882 * config/mips/mips.c (save_restore_insns): Change base_offset to
1883 fp_offset in second call to mips_emit_frame_related_store.
1885 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1887 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1888 sometimes be represented as a NOTE of type
1889 NOTE_INSN_DELETED_LABEL.
1890 (Insns): Document NOTE_INSN_DELETED_LABEL.
1892 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1894 * c-common.h (tree_dump_index): Add more comments.
1895 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1896 (dump_option_value_info): New struct.
1897 (dump_options): New array.
1898 (dump_switch_p): Parse switch options symbolically.
1899 * doc/invoke.texi (-fdump-ast): Rename to ...
1900 (-fdump-tree): ... here. Document that options are symbolic, and
1901 not all are applicable.
1903 2001-09-04 David S. Miller <davem@redhat.com>
1905 * config/sparc/sparc.md (define_splits): Kill constraints.
1907 Cleanup redundant and unused insn attributes.
1908 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1909 binary, and move. Mark ialu as default.
1910 (commented out define_function_unit "alu"): Kill.
1911 (define_attr "use_clobbered"): Kill.
1912 (whole file): Kill address insn type references. Replace
1913 all unary/binary/move references with ialu.
1914 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1915 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1918 Simplify length insn attribute and make more judicious use
1919 of insn attribute defaulting.
1920 * config/sparc/sparc.md (all insns with length > one): Mark as
1921 insn type multi if real instructions, else use default if
1922 it is a forced splitter.
1923 (all insns with length == one): Use default insn length.
1924 (all insns of type ialu): Use default insn type.
1926 Fix erroneous insn attribute settings.
1927 (addx): Set insn type to misc.
1928 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1929 const_umulsidi3_sp64): Set insn type to imul.
1931 Track SFmode vs DFmode insns according to UltraSPARC
1933 * config/sparc/sparc.md ("fptype"): New attribute, default
1935 (all DFmode single insns): Mark as fptype "double".
1937 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1939 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1941 2001-09-03 Richard Henderson <rth@redhat.com>
1943 * function.h (struct function): Add arg_pointer_save_area_init.
1944 * function.c (expand_function_end): Init arg_pointer_save_area.
1945 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1946 when called from a nested function.
1948 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1950 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1953 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1955 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1957 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1959 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1960 (emit_push_insn): Use specified padding direction when
1961 STACK_PUSH_CODE is POST_INC.
1963 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1965 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1967 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1969 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1971 * cppinit.c (cpp_start_read): Free the imacros list as we
1972 traverse it. Don't free the chains before returning.
1973 (_cpp_push_next_buffer): Only try pushing buffers if we've
1974 completed -imacros handling.
1976 2001-08-31 Eric Christopher <echristo@redhat.com>
1978 * gcc.c (handle_braces): Add explaination for abort.
1980 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1982 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1983 move adjustment of bitpos instead.
1985 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1987 * function.c: Remove all_functions. Make outer_function_chain
1989 (init_function_start): Don't add new function structure to
1991 (find_function_data, push_function_context_to,
1992 pop_function_context_from, put_var_into_stack,
1993 trampoline_address): Update for changed structure element names.
1994 (push_function_context_to): Disentangle.
1995 (free_after_compilation): Also free F.
1996 (expand_dummy_function_end): Don't free cfun here.
1997 (put_var_into_stack): Comment why we can't use find_function_data here.
1998 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1999 (mark_function_chain): Split into maybe_mark_struct_function and
2000 ggc_mark_struct_function. Export the latter.
2001 (init_function_once): Mark from cfun and outer_function_chain;
2004 * function.h (struct function): Kill next_global. Rename next
2005 to outer. All users updated to match.
2006 (all_functions, outer_function_chain): Don't declare.
2008 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2009 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2010 don't touch f->inlinable, after calling rest_of_compilation.
2012 * tree.h: Forward-declare struct function. Prototype
2013 ggc_mark_struct_function.
2015 2001-08-31 Kazu Hirata <kazu@hxi.com>
2017 * config/h8300/h8300.md (*andorhi3): Fix typos.
2019 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2021 * calls.c (emit_library_call_value): Don't use a fixed
2022 argument after VA_CLOSE, i.e. out of scope in traditional C.
2024 * emit-rtl.c (gen_rtvec): Likewise.
2026 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2028 * Makefile.in (c-pragma.o): Depend on output.h.
2029 (reorg.o): Depend on except.h.
2031 * c-pragma.c: Include output.h.
2033 * reorg.c: Include except.h.
2035 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2037 2001-08-31 Richard Henderson <rth@redhat.com>
2039 * sched-deps.c (add_dependence): Don't elide dependancy if the
2040 conditional used by insn is modified in elem.
2042 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2044 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2046 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2048 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2051 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2053 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2055 (stormy16_asm_out_constructor): New function.
2056 (TARGET_ASM_CONSTRUCTOR): Define.
2057 (TARGET_ASM_DESTRUCTOR): Define.
2059 2001-08-31 Andreas Jaeger <aj@suse.de>
2061 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2062 * loop.c (add_label_notes): Likewise.
2063 * reload.c (find_reloads): Likewise.
2064 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2066 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2068 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2069 code here. Take _Unwind_{W,Sw}ord*.
2070 (read_encoded_value_with_base): Use them.
2071 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2073 (extract_cie_info): Simplify read_?leb128 handling.
2074 (execute_stack_op, execute_cfa_program): Likewise.
2075 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2077 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2079 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2080 the frame pointer to pop the stack if convenient.
2082 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2083 Don't use post-increment before combine.
2084 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2085 a call-saved register.
2087 2001-08-31 Andreas Jaeger <aj@suse.de>
2089 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2092 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2094 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2095 not DIV/MOD, of course.
2097 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2099 * rtl.def: Undo my patch commited 2001-08-27.
2101 * genattrtab.c: Ditto.
2105 * sched-int.h: Ditto.
2107 * target-def.h: Ditto.
2111 * haifa-sched.c: Ditto.
2113 * sched-rgn.c: Ditto.
2115 * sched-vis.c: Ditto.
2117 * Makefile.in: Ditto.
2119 * doc/md.texi: Ditto.
2121 * doc/tm.texi: Ditto.
2123 * doc/contrib.texi: Ditto.
2125 * doc/gcc.texi: Ditto.
2127 * genattrtab.h: Remove it.
2129 * genautomata.c: Remove it.
2131 * genattr.c: Undo my patch and Richard Henderson's patch commited
2134 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2136 * config.gcc (h8300-*-elf*): New case.
2137 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2138 (SUBTARGET_CPP_SPEC): Define.
2139 (EXTRA_SPECS): Define.
2140 (SUBTARGET_EXTRA_SPECS): Define.
2141 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2142 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2144 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2146 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2147 (LIB2FUNCS_EXTRA): Define.
2148 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2149 config/h8300/fixunssfsi.c: New file.
2151 2001-08-30 Kazu Hirata <kazu@hxi.com>
2153 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2154 define_expand to accomodate target-specific attributes.
2155 (anonymous zero_extendqihi2 patterns): New.
2157 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2159 * h8300.md (*andorhi3): New pattern.
2161 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2163 * h8300.c (dosize): Fix test for "sub".
2165 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2167 * c-typeck.c (pointer_diff): Try to eliminate common term before
2170 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2172 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2173 Account for the saves of the FP registers.
2175 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2176 (TEXT_SECTION_ASM_OP): Define.
2177 (INIT_SECTION_ASM_OP): Define.
2178 (FINI_SECTION_ASM_OP): Define.
2179 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2180 (RDATA_SECTION_FUNCITON): Provide prototype.
2182 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2184 * reload1.c (move2add_note_store): Correct typo checking for
2187 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2189 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2190 note should not be considered outside the libcall block.
2192 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2194 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2196 2001-08-29 Kazu Hirata <kazu@hxi.com>
2198 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2200 2001-08-29 Kazu Hirata <kazu@hxi.com>
2202 * config/h8300/h8300-protos.h: Add a prototype for
2204 * config/h8300/h8300.c (emit_logical_op): New.
2205 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2212 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2214 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2215 comparison with rtx INTVAL.
2216 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2218 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2220 2001-08-29 Kazu Hirata <kazu@hxi.com>
2222 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2225 2001-08-29 Kazu Hirata <kazu@hxi.com>
2227 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2228 (reg n) to (mem (pre_dec (reg n))
2229 (anonymous movsi pattern): Likewise.
2231 2001-08-29 Kazu Hirata <kazu@hxi.com>
2233 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2235 2001-08-29 Kazu Hirata <kazu@hxi.com>
2237 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2238 several special constants.
2240 2001-08-29 Kazu Hirata <kazu@hxi.com>
2242 * config/h8300/lib1funcs.asm: Fix comment typos.
2244 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2247 Fix format specifier warnings.
2249 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2250 inet_makeaddr, semctl): Prototype.
2252 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2253 (save_restore_insns): Use base_offset, not gp_offset.
2255 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2256 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2258 2001-08-29 Richard Henderson <rth@redhat.com>
2260 * bb-reorder.c (function_tail_eff_head): New.
2261 (record_effective_endpoints): Set it.
2262 (fixup_reorder_chain): Use it.
2264 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2266 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2268 2001-08-28 Dale Johannesen <dalej@apple.com>
2270 * config/darwin.c (machopic_function_base_name): Add const
2271 qualifier to a string.
2272 (darwin_encode_section_info): Ditto.
2274 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2276 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2277 function definition.
2279 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2281 * df.h (struct df): Add rts_order variable.
2283 * df.c (df_visit_next_rts): New function.
2284 (df_visit_next): Renamed to df_visit_next_rc
2285 (df_analyse_1): Allocate/compute/free rts_order as well.
2286 (df_rd_global_compute): Use df_visit_next_rc instead of
2288 (df_ru_global_compute): Use df_visit_next_rts instead of
2291 * flow.c (flow_reverse_top_sort_order_compute): New function.
2293 * basic-block.h: Add prototype.
2295 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2297 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2298 blocks, the BB_REACHABLE is now set, rather than aux being
2299 non-NULL. Update the test to reflect this.
2301 2001-08-28 Eric Christopher <echristo@redhat.com>
2303 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2304 config/mips/crti.asm: Ditto.
2306 2001-08-28 Eric Christopher <echristo@redhat.com>
2307 Richard Henderson <rth@redhat.com>
2309 * c-pragma.h (add_weak): Move prototype from here...
2310 * output.h (add_weak): ... to here.
2311 * varasm.c (add_weak): Fix typo.
2312 * config/mips/crti.asm: New file.
2313 * config/mips/crtn.asm: Ditto.
2314 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2315 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2316 (INVOKE__main): Ditto.
2317 (INIT_SECTION_ASM_OP): New.
2318 (FINI_SECTION_ASM_OP): Ditto.
2319 (STARTFILE_SPEC): Add crti.
2320 (ENDFILE_SPEC): Add crtn.
2321 * config/mips/elf64.h: Same.
2322 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2324 * config/mips/vxworks.h: Ditto.
2325 * config/mips/t-elf: Support crti and crtn.
2327 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2329 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2332 2001-08-28 Richard Henderson <rth@redhat.com>
2334 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2335 (one_cmplbi2 splitter): Remove redundant test.
2337 2001-08-28 Dale Johannesen <dalej@apple.com>
2339 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2341 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2343 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2345 2001-08-28 Stan Shebs <shebs@apple.com>
2347 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2348 (UNALIGNED_SHORT_ASM_OP): Define.
2349 (UNALIGNED_INT_ASM_OP): Define.
2351 2001-08-28 Will Cohen <wcohen@redhat.com>
2353 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2354 generation for first set.
2356 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2358 * flow.c (redirect_edge_succ_nodup): Return new edge.
2359 (try_simplify_condjump): Use new edge.
2360 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2362 * cse.c (cse_basic_block): Skip note instructions.
2364 2001-08-27 Richard Henderson <rth@redhat.com>
2366 * combine.c (combine_simplify_rtx): Don't reverse condition
2367 if there is no reverse for the condition.
2368 (simplify_comparison): Don't simplify subregs from INT to FP.
2370 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2371 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2372 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2373 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2374 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2375 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2377 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2379 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2380 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2382 (adddi_dilshr32, adddi_dishl32): Only data register can be
2383 source for mem destination.
2385 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2386 and use bitnum to decide about register move.
2388 2001-08-27 Richard Henderson <rth@redhat.com>
2390 * genattr.c (main): Emit state_t even when not doing scheduling.
2392 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2393 Richard Henderson <rth@redhat.com>
2395 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2396 (reg_avail_info, current_bb): ... these.
2397 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2398 (compute_hash_table): Likewise.
2400 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2402 * flow.c (verify_flow_info): Use checksums to verify edges.
2404 2001-08-27 Richard Henderson <rth@redhat.com>
2406 * genautomata.c (expand_automata): Always create a description.
2408 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2410 * optabs.c (expand_binop): Correctly handle the carry in multiword
2411 add/subtract operations.
2413 2001-08-27 Fred Fish <fnf@be.com>
2415 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2418 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2420 * reload.c (find_reloads_toplev): Back out this change:
2422 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2424 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2425 mem if the address is a mode_dependent_address_p.
2427 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2429 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2430 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2431 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2434 * genattr.c (main): New variable num_insn_reservations. Increase
2435 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2436 pipeline hazard recognizer interface.
2438 * genattrtab.h: New file.
2440 * genattrtab.c: Include genattrtab.h.
2441 (attr_printf, check_attr_test, make_internal_attr,
2442 make_numeric_value): Move protypes into genattrtab.h. Define them
2444 (num_dfa_decls): New global variable.
2445 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2446 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2447 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2448 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2450 * genautomata.c: New file.
2452 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2454 * sched-int.h: (curr_state): Add the external definition for
2455 automaton pipeline interface.
2456 (haifa_insn_data): Add comments for members blockage and units.
2458 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2459 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2460 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2461 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2462 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2463 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2464 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2466 (TARGET_SCHED): Use the new macros.
2468 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2469 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2470 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2471 dfa_bubble): New members in gcc_target.sched.
2473 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2474 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2475 (insn_queue): Redefine it as pointer to array.
2476 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2478 (max_insn_queue_index_macro_value): New variable.
2479 (curr_state, dfa_state_size, ready_try): New varaibles for
2480 automaton interface.
2481 (ready_element, ready_remove, max_issue): New function prototypes
2482 for automaton interface.
2483 (choose_ready): New function prototype.
2484 (insn_unit, blockage_range): Add comments.
2485 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2486 FUNCTION_UNITS_SIZE == 0.
2487 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2488 actual_hazard, potential_hazard): Add comments.
2489 (insn_cost): Use cost -1 as undefined value. Remove
2490 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2492 (ready_element, ready_remove): New functions for automaton
2494 (schedule_insn): Add new code for automaton pipeline interface.
2495 (queue_to_ready): Add new code for automaton pipeline interface.
2496 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2497 (debug_ready_list): Print newline when the queue is empty.
2498 (max_issue): New function for automaton pipeline interface.
2499 (choose_ready): New function.
2500 (schedule_block): Add new code for automaton pipeline interface.
2501 Print ready list before scheduling each insn.
2502 (sched_init): Add new code for automaton pipeline interface.
2503 Initiate insn cost by -1.
2504 (sched_finish): Free the current automaton state and finalize
2505 automaton pipeline interface.
2507 * sched-rgn.c: Include target.h.
2508 (init_ready_list, new_ready, debug_dependencies): Add new code for
2509 automaton pipeline interface.
2511 * sched-vis.c: Include target.h.
2512 (get_visual_tbl_length): Add code for automaton interface.
2513 (target_units, print_block_visualization): Add comments.
2515 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2516 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2517 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2518 (getruntime.o, genautomata.o): New entries.
2519 (genattrtab.o): Add new dependency file genattrtab.h.
2520 (genattrtab): Add new dependencies. Link it with `libm.a'.
2521 (getruntime.o, hashtab.o): New entries for canadian cross.
2523 * doc/md.texi: Description of automaton based model.
2525 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2527 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2528 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2529 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2530 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2531 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2532 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2533 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2535 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2536 MAX_DFA_ISSUE_RATE): New macro descriptions.
2538 * doc/contrib.texi: Add dfa based scheduler contribution.
2540 * doc/gcc.texi: Add more information about genattrtab.
2542 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2544 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2547 2001-08-27 Richard Henderson <rth@redhat.com>
2549 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2550 (get_arg_pointer_save_area): New. Create an init it here.
2551 (fix_lexical_addr): Use it.
2552 * function.h: Declare it.
2553 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2554 * stmt.c (expand_nl_goto_receiver): Use it.
2556 2001-08-27 Richard Henderson <rth@redhat.com>
2558 * final.c (final_scan_insn): Don't enter APP_ON mode for
2561 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2562 alignment for assemble_integer for DW_EH_PE_aligned.
2563 * except.c (output_function_exception_table): Likewise.
2565 2001-08-26 Andreas Jaeger <aj@suse.de>
2567 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2569 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2571 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2573 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2575 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2577 (mask64_operand): Likewise.
2578 (rldic_operand): Delete.
2579 (includes_lshift64_p): Delete.
2580 (includes_rldic_lshift_p): New function.
2581 (includes_rldicr_lshift_p): New function.
2582 (print_operand): Don't call rldic_operand in case 'W'.
2583 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2584 (includes_lshift64_p): Remove.
2585 (includes_rldic_lshift_p): Declare.
2586 (includes_rldicr_lshift_p): Declare.
2587 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2588 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2589 Replace match_operand rldic_operand predicate with
2590 const_int_operand. Replace includes_lshift64_p condition with
2591 includes_rldic_lshift_p.
2592 <ashldi3_internal 64 bit rldicr patterns>: New.
2594 2001-08-27 Andreas Jaeger <aj@suse.de>
2596 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2597 * errors.c: Likewise.
2598 * final.c: Likewise.
2599 * dwarf2asm.c: Likewise.
2600 * doprint.c (checkit): Likewise.
2601 * diagnostic.c: Likewise.
2602 * collect2.c: Likewise.
2603 * calls.c: Likewise.
2604 * c-semantics.c (build_stmt): Likewise.
2605 * c-format.c (status_warning): Likewise.
2606 * c-errors.c (pedwarn_c99): Likewise.
2607 * builtins.c (validate_arglist): Likewise.
2608 * config/pj/pj.c (pj_printf): Likewise.
2609 * fix-header.c: Likewise.
2611 * gcov.c (fnotice): Likewise.
2612 * gensupport.c (message_with_line): Likewise.
2613 * mips-tfile.c: Likewise.
2614 * protoize.c (notice): Likewise.
2615 * read-rtl.c (fatal_with_file_and_line): Likewise.
2616 * rtl-error.c: Likewise.
2617 * tradcpp.c: Likewise.
2619 * cp/tree.c (build_min_nt): Likewise.
2620 (build_min): Likewise.
2621 * cp/lex.c: Likewise.
2622 * cp/errfn.c: Likewise.
2623 * cp/rtti.c (create_pseudo_type_info): Likewise.
2625 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2627 * df.c (df_uses_record): Return after recording all uses
2630 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2632 * df.c (df_insn_modify): Realloc the INSN table here, if
2633 necessary, here, too.
2635 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2637 * config/mips/mips.c (mips_function_value): Handle complex return
2640 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2642 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2644 * reload.c (make_memloc): Copy result if it is still
2645 reg_equiv_memory_loc[regno] on return.
2646 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2647 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2648 reg_equiv_mem are modified by the substitutions.
2650 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2652 * predict.c (expensive_function_p): New.
2653 * rtl.h (expensive_function_p): Declare.
2654 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2655 (use_fast_prologue_epilogue): New static variable.
2656 (expand_prologue): Set it; emit short prologues if unset.
2657 (expand_epilogue): Likewise.
2659 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2661 * config.gcc: Add stormy16-*-elf case.
2662 * config/stormy16/stormy-abi: New file.
2663 * config/stormy16/stormy16-lib2.c: New file.
2664 * config/stormy16/stormy16-protos.h: New file.
2665 * config/stormy16/stormy16.c: New file.
2666 * config/stormy16/stormy16.h: New file.
2667 * config/stormy16/stormy16.md: New file.
2668 * config/stormy16/t-stormy16: New file.
2670 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2672 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2674 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2676 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2677 descriptor members are pointer size, not constant 4.
2678 * config/rs6000/rs6000.md (define_splits): Remove more unused
2681 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2683 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2685 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2687 * cp/rtti.c (VPARAMS): Fix parameter.
2689 2001-08-24 Zack Weinberg <zackw@panix.com>
2691 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2693 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2695 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2696 in if controlling use of insv.
2697 (extract_bit_field): Likewise, for extv and extzv.
2699 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2701 * i386.md (movcc peep2): Fix load of 0.
2703 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2705 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2706 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2708 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2710 * c-pragma.h: Move weak_syms and weak_decls...
2711 * varasm.c: ...here. Now static.
2712 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2713 depend on HANDLE_PRAGMA_WEAK.
2715 * c-common.c (c_alignof, c_alignof_expr): Move here...
2716 * c-typeck.c: ...from here.
2717 * c-tree.h, c-common.h: Adjust.
2719 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2721 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2722 instead of incrementing it.
2724 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2725 asm ready, don't try to move them all into the same array element.
2727 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2729 * function.c (thread_prologue_and_epilogue_insns): Avoid
2730 fallthru flag on edge to exit.
2732 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2734 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2737 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2739 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2740 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2741 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2744 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2746 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2747 replace "GNU CC" with "GCC".
2749 2001-08-23 Richard Henderson <rth@redhat.com>
2751 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2752 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2753 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2754 Need GR between FR and not GR_AND_FR.
2755 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2756 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2757 AR regs before GR regs.
2758 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2759 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2760 (REGISTER_MOVE_COST): Update.
2761 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2763 2001-08-23 Richard Henderson <rth@redhat.com>
2765 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2768 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2770 * reload1.c (emit_reload_insns): Don't look for notes
2771 on a NULL store_insn.
2773 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2775 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2776 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2777 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2778 format specifier warnings.
2779 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2781 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2783 * config/i386/i386-protos.h: Correct declaration of
2784 i386_pe_asm_named_section.
2786 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2788 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2790 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2792 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2794 * cpperror.c (print_location): Don't show _Pragma.
2795 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2796 and file change callback generation here.
2797 (stack_include_file): Update use of cpp_push_buffer.
2798 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2799 (struct cpp_buffer): Remove type, pfile members.
2800 * cppinit.c (cpp_handle_option): Use free_chain.
2801 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2802 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2803 a cpp_reader rather than a cpp_buffer.
2804 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2805 skip_line_comment, parse_string, lex_percent, lex_dot,
2806 _cpp_lex_token): Update accordingly.
2807 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2809 (cpp_push_buffer): Update prototype.
2810 (run_directive): Update use of cpp_push_buffer.
2811 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2812 handle_assertion): Update use of run_directive.
2813 * cpplib.h (enum cpp_buffer_type): Remove.
2814 (cpp_push_buffer): Update prototype.
2815 * fix-header.c (read_scan_file): Update.
2817 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2819 * gcc.c (struct prefix_list): Change prefix to const char *.
2821 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2823 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2825 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2827 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2830 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2833 * ifcvt.c (dead_or_predicable): Adjust.
2834 * loop.c (find_and_verify_loops): Adjust.
2835 * stmt.c (expand_end_case): Adjust.
2836 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2837 head and end insn pointers in the basic block, not just local copies.
2838 (merge_blocks_move_predecessor_nojumps): Likewise.
2840 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2842 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2843 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2844 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2845 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2846 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2847 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2848 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2849 conditions.h, config.gcc, configure.frag, configure.in,
2850 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2851 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2852 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2853 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2854 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2855 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2856 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2857 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2858 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2859 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2860 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2861 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2862 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2863 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2864 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2865 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2866 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2867 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2868 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2869 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2870 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2871 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2872 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2873 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2874 params.h, predict.c, predict.def, predict.h, prefix.c,
2875 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2876 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2877 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2878 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2879 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2880 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2881 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2882 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2883 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2884 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2885 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2886 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2887 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2888 xcoffout.h: replace "GNU CC" with "GCC".
2890 2001-08-21 Richard Henderson <rth@redhat.com>
2892 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2893 (final_scan_insn): Consider jump tables data even if we have no
2894 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2896 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2897 (ASM_OUTPUT_CASE_END): Remove.
2898 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2899 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2900 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2902 2001-08-21 Richard Henderson <rth@redhat.com>
2904 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2905 at barrier insns. Emit stop bits before barriers.
2907 * flow.c (flow_find_cross_jump): Don't consider unconditional
2908 return insns for commoning.
2910 * final.c (compute_alignments): Fix typo.
2912 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2913 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2914 (store_bit_field): Use mode_for_extraction more places.
2915 (extract_bit_field): Likewise.
2917 2001-08-21 Zack Weinberg <zackw@panix.com>
2919 * caller-save.c: Don't include insn-codes.h.
2920 (reg_save_code, reg_restore_code): Make arrays of int.
2921 All uses updated to match.
2922 (insert_save, insert_restore): No need to initialize "code"
2923 variable upon declaration.
2924 * Makefile.in: update dependencies; fix typo in clean rule.
2926 2001-08-21 Richard Henderson <rth@redhat.com>
2928 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2929 (merge_if_block): Handle fallout from same.
2931 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2933 * builtins.c (type_to_class): Fix typo in last change.
2935 2001-08-21 Richard Henderson <rth@redhat.com>
2937 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2938 ia64_asm_output_label.
2940 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2941 copy of gp while the real gp register contains garbage.
2943 2001-08-21 Zack Weinberg <zackw@panix.com>
2945 * expmed.c (mode_for_extraction): New function.
2946 (store_bit_field, extract_bit_field): Use it.
2947 * expr.h: Prototype it and provide an enum for its first argument.
2949 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2950 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2951 and digging through the insn_data tables.
2952 * Makefile.in: Update dependencies.
2954 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2956 * cppfiles.c (stack_include_file): line-map.c now handles include
2958 (handle_missing_handler): Similarly.
2959 (_cpp_execute_include): Similarly.
2960 (_cpp_pop_file_buffer): Similarly.
2961 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2962 buffer_stack_depth and include_depth.
2963 * cpplib.c (do_include_common): line-map.c now handles include depth.
2964 (cpp_push_buffer): Similarly.
2965 (_cpp_pop_buffer): Similarly.
2966 * cppmacro.c (builtin_macro): Update.
2967 * line-map.c (init_line_maps): Set depth.
2968 (add_line_map): Increment "used" earlier. Update and use the
2970 (trace_include): Use the include depth.
2971 * line-map.h (struct line_maps): New member depth.
2973 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2975 * cppfiles.c (stack_include_file): Don't handle -H here.
2976 * cppinit.c (cpp_start_read): Set include tracing after
2977 cpp_post_options and after stacking the main file.
2978 * line-map.c (trace_include): New.
2979 (init_line_maps, add_line_map): Update.
2980 * line-map.h (struct line_maps): New member trace_includes.
2982 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2984 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2985 * cppfiles.c (stack_include_file): Only stack a file if there
2986 is something to do. Return a boolean indicating whether a
2987 buffer was stacked or not.
2988 (_cpp_execute_include): Similarly.
2989 (_cpp_read_file): Similarly.
2990 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2992 2001-08-21 Sam Steingold <sds@gnu.org>
2994 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2995 (RECACHE): keep obufp_before_macroname up to date
2997 2001-08-21 Zack Weinberg <zackw@panix.com>
2999 * stmt.c: Don't include insn-codes.h.
3000 (expand_end_case): Machine specific logic moved to expr.c.
3001 No need to worry about __builtin_classify_type.
3002 (check_for_full_enumeration_handling, emit_case_nodes):
3005 * builtins.o (expand_builtin_classify_type): Split up so code
3006 can be shared with fold_builtin_classify_type.
3007 (type_to_class, fold_builtin_classify_type): New functions.
3008 (fold_builtins): Handle __builtin_classify_type.
3010 * expr.c (do_tablejump): Now static.
3011 (case_values_threshold, try_casesi, try_tablejump): New;
3012 code mostly from stmt.c (expand_end_case).
3013 (expr.h): Update prototypes.
3015 * Makefile.in (stmt.o): Update dependencies.
3017 2001-08-21 Will Cohen <wcohen@redhat.com>
3019 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3020 declaration of variable i.
3021 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3022 declaration of variable i.
3024 2001-08-21 Richard Henderson <rth@redhat.com>
3026 * crtstuff.c: Fix thinko last change. Move list tails to start
3027 of CRT_END section. Tidy ifdefs.
3028 (__EH_FRAME_BEGIN__): Always static for ELF.
3029 (__do_global_ctors_1): Rename from __frame_dummy.
3030 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3031 name change; don't hide __EH_FRAME_BEGIN__.
3033 2001-08-21 Richard Henderson <rth@redhat.com>
3035 * gdbinit.in: Move break on exit after break on fancy_abort.
3037 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3040 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3042 * cpphash.h (_cpp_push_next_buffer): New.
3043 * cppinit.c (do_includes): Remove.
3044 (push_include, free_chain, _cpp_push_next_buffer): New.
3045 (cpp_start_read): Use them to rework command line option handling.
3046 (cpp_handle_option): Combine handling of -include and -imacros.
3047 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3048 appropriate. Always insert missing \n at EOF.
3049 * cpplib.c (start_directive): Get the directive position right.
3050 * cppmain.c (cb_file_change): Always print the first line, unless
3053 2001-08-20 Andreas Jaeger <aj@suse.de>
3055 * profile.c (compute_branch_probabilities): Remove extra new-line
3057 * flow.c (verify_flow_info): Likewise.
3059 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3061 * basic-block.h (basic_block): Add new field 'flags'.
3062 (BB_REACHABLE): Define.
3063 (expunge_block): Declare.
3064 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3065 (EXIT_BLOCK_PTR): Ditto.
3066 (expunge_block): Remove static declaration.
3067 (cleanup_cfg): Clear bb->aux on every basic block.
3068 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3069 computing reachability.
3070 (delete_unreachable_blocks): Delete block b if b->flags has
3073 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3075 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3077 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * sparc.c (sparc_variable_issue): Fix typo in last change.
3081 2001-08-20 Richard Henderson <rth@redhat.com>
3083 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3085 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3087 * pa.h (RETURN_IN_MEMORY): Improve comment.
3089 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3091 * doc/invoke.texi (Profiling options): Clarify the interactions
3092 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3094 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3096 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3099 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3101 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3104 2001-08-20 Richard Henderson <rth@redhat.com>
3106 * final.c (end_final): Fix typo last change.
3108 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3110 * cppinit.c (init_standard_includes): The returned buffer
3111 is already malloc-ed.
3112 * gcc.c (add_prefix): Similarly.
3113 * prefix.c (translate_name): Update to support clear buffer
3115 (update_path): Similarly. Be sure to free any newly allocated
3116 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3118 * prefix.h (update_path): Update prototype and document.
3119 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3120 up and update to new buffer ownership rules.
3121 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3123 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3125 * final.c (compute_alignments): New function.
3126 (init_insn_lengths): Do not care label_align.
3127 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3128 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3129 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3130 (shorted_branches): Realloc label_align array; do
3131 not call init_insn_lengths; Do not care about loop alignments.
3132 * output.h (compute_alignments): Declare.
3133 * toplev.c (rest_of_compilation): Call compute_alignments.
3134 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3136 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3137 change visited to tovisit.
3138 (propagate_freq): Use faster traversing algorithm.
3139 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3140 to tovisit; reverse meaning.
3142 * predict.c (struct block_info_def): Remove nvisited.
3143 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3144 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3146 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3148 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3149 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3150 (TARGET_FUSED_MADD): New.
3151 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3152 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3153 the multiply-add instructions.
3155 2001-08-19 Richard Henderson <rth@redhat.com>
3157 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3158 is aligned to pointer size.
3160 2001-08-19 Richard Henderson <rth@redhat.com>
3162 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3163 display markers during final schedule.
3165 2001-08-19 Richard Henderson <rth@redhat.com>
3167 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3169 2001-08-19 Richard Henderson <rth@redhat.com>
3171 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3173 (ASM_NAME_TO_STRING): Remove.
3174 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3175 in the same string. Remove support for expressions.
3177 2001-08-19 Richard Henderson <rth@redhat.com>
3179 * config/i386/i386.md (tablejump): Make an expander; handle
3180 pic relative addressing here.
3181 (tablejump_1): Rename from tablejump_pic.
3184 2001-08-19 Richard Henderson <rth@redhat.com>
3186 * regclass.c (fix_register): Fix typo.
3188 2001-08-18 Richard Henderson <rth@redhat.com>
3190 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3191 (struct _Unwind_Context): Expand br_loc to hold it.
3192 (uw_frame_state_for): Handle leaf functions better.
3193 (uw_update_reg_address): Update for br_loc change.
3195 2001-08-18 Richard Henderson <rth@redhat.com>
3197 * crtstuff.c: Move list heads before code that uses them.
3198 (__JCR_LIST__): Remove initial null.
3199 (frame_dummy, __frame_dummy): Do java registration here ...
3200 (__do_global_ctors_aux): ... not here.
3202 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3203 (__do_global_dtors_aux): Update to match.
3204 (__JCR_LIST__, __do_jv_register_classes): New.
3206 * config/ia64/crtend.asm (__JCR_END__): New.
3207 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3208 instead of an indirect LTOFF22 reloc.
3210 2001-08-18 Richard Henderson <rth@redhat.com>
3212 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3213 * regclass.c (init_reg_sets_1): Fix typo.
3214 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3215 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3216 (ia64_compute_frame_size): Make ar.unat live when in use.
3217 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3218 for ar.pfs; remove ar.unat handling.
3219 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3221 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3222 * config/ia64/ia64-protos.h: Update decls.
3223 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3224 (sibcall_pic): Likewise.
3226 2001-08-18 Richard Henderson <rth@redhat.com>
3228 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3229 pred_rel_mutex when searching for insn_group_barrier.
3230 * config/ia64/ia64.md (cycle_display): Combine the expander
3233 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3234 bit before asm as needed.
3236 2001-08-18 Richard Henderson <rth@redhat.com>
3238 * timevar.def (TV_MACH_DEP): New.
3239 * toplev.c (rest_of_compilation): Use it.
3240 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3242 2001-08-18 Zack Weinberg <zackw@panix.com>
3244 * unwind-dw2.c (execute_stack_op): Add default aborts to
3245 the inner switches to prevent warnings.
3247 2001-08-18 Richard Henderson <rth@redhat.com>
3249 * timevar.h (struct timevar_time_def): Change element type to float.
3250 (ticks_to_msec, clocks_to_msec): Likewise.
3251 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3252 (get_time): Likewise.
3253 (timevar_print): Adjust zero check and printing to match.
3255 2001-08-18 Zack Weinberg <zackw@panix.com>
3257 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3258 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3259 Eliminate overfull or underfull hboxes.
3261 2001-08-18 Zack Weinberg <zackw@panix.com>
3263 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3265 2001-08-18 Zack Weinberg <zackw@panix.com>
3267 * haifa-sched.c: Convert to target hooks. Macros replaced
3268 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3269 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3270 MD_SCHED_FINISH, and HAVE_cycle_display.
3271 * target-def.h (TARGET_SCHED_ADJUST_COST,
3272 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3273 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3274 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3275 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3276 New hook #defines to be overridden.
3277 (TARGET_SCHED): Bring them all together.
3278 (TARGET_INITIALIZER): Update.
3279 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3280 instead of 'struct rtx_def *' throughout.
3281 (struct sched): New set of hooks for the scheduler.
3282 * Makefile.in (haifa-sched.o): Depend on target.h.
3283 * doc/tm.texi: Document the new scheduler hooks, together in
3284 their own section, instead of scattered around.
3285 Fix a bunch of underfull/overfull hboxes.
3287 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3288 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3289 sparc.h: Don't define any of the old scheduler macros.
3291 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3292 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3293 sparc.c: Create hook functions from code extracted from
3294 corresponding target header, or make existing hooks static, as
3295 appropriate. Set the appropriate entries in targetm.
3297 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3298 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3299 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3300 Remove prototypes for functions which are now static.
3302 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3303 related gunk; the Haifa scheduler is now the only choice.
3305 2001-08-18 Zack Weinberg <zackw@panix.com>
3307 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3308 * genopinit.c: Put floating point divide insns in sdiv_optab.
3309 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3310 * config/gofast.h, config/c4x/c4x.h,
3311 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3312 config/pa/long_double.h, config/rs6000/sysv4.h,
3313 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3314 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3315 (init_optabs): Use init_optabv for overflow-trapping optabs.
3316 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3317 cmp_optab RTX codes so have_insn_for can find them.
3319 * optabs.c (expand_simple_binop, expand_simple_unop,
3320 have_insn_for, gen_sub3_insn): New interfaces.
3321 * expr.h: Prototype new functions.
3322 (enum optab_methods): Move here from optabs.h.
3324 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3325 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3326 Use new functions instead of working directly with optabs.
3327 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3328 unroll.c: Don't include optabs.h.
3329 * caller-save.c, combine.c, function.c, stmt.c: Just include
3330 insn-codes.h, not optabs.h.
3331 * Makefile.in: Update dependencies.
3333 * combine.c (make_compound_operation, simplify_comparison):
3334 Fix typos testing for this or that instruction.
3336 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3338 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3339 generating libgcc.a.
3341 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3343 * except.c (TYPE_HASH): Delete.
3345 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3348 * tree.c (TYPE_HASH): Delete.
3350 * tree.h (TYPE_HASH): Define.
3352 2001-08-18 Graham Stott <grahams@redhat.com>
3354 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3356 (adddi3_internal_2+2): Likewise.
3357 (eh_set_lr_di+1): Likewise.
3359 2001-08-17 Richard Henderson <rth@redhat.com>
3361 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3362 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3363 * dwarf2asm.c: ... here.
3364 * dwarfout.c: Remove them.
3366 * varasm.c (assemble_integer): Add align parameter.
3367 (assemble_real, output_constant, output_constructor): Likewise.
3368 * output.h: Update decls.
3369 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3370 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3371 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3372 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3373 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3376 * final.c (end_final): Abort profile block generation if we
3377 havn't layed it out properly.
3378 * output.h (assemble_eh_integer): Remove stale decl.
3379 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3381 (assemble_integer): Handle unaligned data.
3382 (assemble_real): Abort on unaligned data.
3383 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3385 (default_dtor_section_asm_out_destructor): Use assemble_align.
3386 (default_named_section_asm_out_constructor): Likewise.
3387 (default_ctor_section_asm_out_constructor): Likewise.
3388 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3389 (machopic_asm_out_destructor): Likewise.
3390 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3391 (nextstep_asm_out_destructor): Likewise.
3392 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3393 (vms_asm_out_destructor): Likewise.
3395 2001-08-17 Richard Henderson <rth@redhat.com>
3397 * config/mips/iris6.h (TARGET_IRIX6): New.
3398 (current_section_name, current_section_flags): New.
3399 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3400 (MAX_OFILE_ALIGNMENT): New.
3401 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3402 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3403 (copy_file_data): Split out from
3404 (mips_asm_file_end): ... here.
3405 (mips_asm_file_start): Remove extra .section directive. Use
3406 tmpfile instead of mips_make_temp_file.
3407 (mips_unique_section): Use const char * as needed for warnings.
3408 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3409 re-add align parameter.
3410 (iris6_asm_named_section): New.
3411 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3412 (iris6_asm_output_align, iris6_section_align_1): New.
3413 (iris6_asm_file_start, iris6_asm_file_end): New.
3414 * config/mips/mips-protos.h: Update decls.
3416 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3418 * doc/install.texi (Install GCC): Add links to build status pages.
3420 (Final install): Ditto; request updates for specific info
3422 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3424 * cpperror.c (print_location): Don't take a file name; use the
3426 (_cpp_begin_message): Similarly.
3427 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3428 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3429 (cpp_pedwarn_with_file_and_line): Remove.
3430 * cppfiles.c (stack_include_file): Update; set filename to stdin
3431 here when appropriate.
3432 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3433 (_cpp_begin_message): Don't take a file name.
3434 * cppinit.c: Add comment.
3435 * cpplex.c: Fix end-of-directive indicator.
3436 * cpplib.c: Don't include intl.h.
3437 (run_directive, do_diagnostic): Update.
3438 (do_line): Update to not use nominal_fname.
3439 (cpp_push_buffer): Don't take a filename.
3440 * cpplib.h (struct ht): Remove.
3441 (cpp_push_buffer): Don't take a filename.
3442 (cpp_pedwarn_with_file_and_line): Remove.
3443 * cppmacro.c (struct cpp_macro): Remove file.
3444 (builtin_macro): Update.
3445 (_cpp_create_definition): Update.
3446 * cppmain.c: Correct comment.
3447 * fix-header.c (read_scan_file): Update.
3449 2001-08-17 Kazu Hirata <kazu@hxi.com>
3451 * sbitmap.c: Fix comment formatting.
3452 * sched-deps.c: Likewise.
3453 * sibcall.c: Likewise.
3454 * simplify-rtx.c: Likewise.
3456 * ssa-ccp.c: Likewise.
3457 * stor-layout.c: Likewise.
3458 * timevar.c: Likewise.
3459 * toplev.c: Likewise.
3460 * unwind-dw2.c: Likewise.
3461 * unwind-dw2-fde.c: Likewise.
3462 * varasm.c: Likewise.
3464 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3466 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3467 or larger than an integer in memory.
3469 2001-08-17 Zack Weinberg <zackw@panix.com>
3471 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3472 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3473 * rtl.h: Don't forward-declare union tree_node here. Don't
3474 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3475 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3476 and tree respectively.
3477 * tree.h: Don't forward-declare struct rtx_def here. Don't
3478 typedef tree here. Change all uses of struct rtx_def *,
3479 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3480 and tree respectively.
3482 2001-08-17 Richard Henderson <rth@redhat.com>
3484 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3485 config/mips/openbsd.h: Fix typos last change.
3487 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3489 * doc/invoke.texi (Optimize Options): The default for
3490 -finline-limit is 600.
3492 2001-08-17 Richard Henderson <rth@redhat.com>
3494 * varasm.c (text_section): Allow TEXT_SECTION to override the
3495 printing of TEXT_SECTION_ASM_OP.
3496 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3497 (DATA_SECTION, BSS_SECTION): Remove.
3498 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3499 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3500 Rename from s/_NAME//.
3501 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3502 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3503 (TEXT_SECTION): ... here. New.
3504 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3505 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3506 * config/mips/openbsd.h: Likewise.
3507 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3508 (mips_asm_file_end): Likewise test.
3509 (mips_output_function_epilogue): Likewise. Switch back to data
3510 section after emitting the function.
3512 * doc/tm.texi (Sections): Document TEXT_SECTION.
3514 2001-08-17 Richard Henderson <rth@redhat.com>
3516 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3517 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3519 2001-08-17 Richard Henderson <rth@redhat.com>
3521 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3522 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3523 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3524 Add aligned attribute.
3526 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3528 * config/sh/sh.md: Add modes to unspecs in first insn to match
3529 those in the second.
3531 * Makefile.in: Fix collect2 copy for Cygwin.
3533 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3535 Install the proper patch.
3536 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3537 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3538 (expand_function_start): Likewise.
3539 * stmt.c (expand_decl): Likewise.
3540 * varasm.c (make_decl_rtx): Likewise.
3542 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3544 * final.c: Undo my previous accidental checkin.
3545 * output.h: Likewise.
3546 * tm.texi: Likewise.
3548 2001-08-16 Richard Henderson <rth@redhat.com>
3550 * varasm.c (named_section_flags): Remove align parameter.
3551 * varasm.c, dwarf2out.c: Update all callers.
3552 * output.h: Update prototypes.
3554 * target.h (target.asm_out.named_section): Remove align parameter.
3555 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3556 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3557 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3558 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3559 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3561 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3562 (get_named_section_flags, set_named_section_flags): New.
3563 (named_section_flags): Use them.
3564 (named_section): Do decl vs section flags check here...
3565 (default_section_type_flags): ... not here.
3566 (init_varasm_once): Create in_named_htab.
3567 (resolve_unique_section): Mark reloc unused.
3569 2001-08-16 Richard Henderson <rth@redhat.com>
3571 * varasm.c (force_const_mem): Keep pool alignment in bits.
3572 (output_constant_pool): Use assemble_align.
3574 2001-08-16 Zack Weinberg <zackw@panix.com>
3576 * doc/tm.texi: Remove extra @table command.
3578 2001-08-16 Zack Weinberg <zackw@panix.com>
3580 * final.c (shorten_branches): Clear the end of the label_align
3581 array only if we made it larger. Break up messy expressions
3584 * diagnostic.c (internal_error): Check for error recursion
3585 before doing ICE suppression.
3587 * timevar.c: Timing variables now count in milliseconds.
3588 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3589 (get_time): Not here.
3590 (timevar_print): Don't print any timer whose user, cpu, and
3591 wall times are all zero as displayed.
3592 * timevar.h: Update comment aboout units. Make timevar
3595 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3597 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3598 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3599 (expand_function_start): Likewise.
3600 * stmt.c (expand_decl): Likewise.
3601 * varasm.c (make_decl_rtx): Likewise.
3603 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3605 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3606 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3608 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3610 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3613 2001-08-16 Andreas Jaeger <aj@suse.de>
3615 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3618 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3620 * rtl.h (only_sets_cc0_p): New prototype.
3621 * jump.c (sets_cc0_p): Handle INSN.
3622 (only_sets_cc0_p): New function.
3623 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3624 (tidy_fallthru_edge): Likewise.
3625 * integrate.c (copy_insn_list): Likewise.
3626 * unroll.c (unroll_loop): Likewise.
3627 (copy_loop_body): Likewise.
3629 2001-08-15 Jason Eckhardt <jle@redhat.com>
3631 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3633 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3635 * predict.c (struct block_info_def): Remove nvisited.
3636 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3637 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3639 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3640 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3643 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3645 * predict.def: Update hitrates.
3647 2001-08-15 Richard Henderson <rth@redhat.com>
3649 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3651 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3653 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3654 note from its associated jump.
3656 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3658 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3659 also on 64-bit s390x targets.
3661 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3663 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3665 (arm_expand_prologue): Handled nested functions which take a
3666 variable argument list.
3667 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3668 macro with an invocation of
3669 arm_compute_initial_elimination_offset.
3670 * config/arm/arm-protos.h: Prototype
3671 arm_compute_initial_elimination_offset.
3673 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3675 * doc/install.texi (Specific, avr): Fix markup.
3676 (Specific, c4x): Ditto.
3678 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3680 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3682 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3684 * Makefile.in (OBJS): Add rtl-error.o
3685 (rtl-error.o): New rule.
3686 (diagnostic.o): Adjust dependency.
3687 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3688 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3689 warning_for_asm): Move to...
3690 rtl-error.c: ...here. New file.
3692 2001-08-14 Richard Henderson <rth@redhat.com>
3694 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3695 if USING_SJLJ_EXCEPTIONS.
3697 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3699 * tlink.c (scan_linker_output): Check string for unsatisfied in
3700 addition to undefined and unresolved.
3702 2001-08-14 Graham Stott <grahams@redhat.com>
3704 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3705 EH_FRAME_SECTION_NAME.
3707 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3709 * genattrtab.c (simplify_test_exp_in_temp): New function.
3710 (simplify_test_exp): Avoid explicit use of temporary obstack.
3711 (simplify_cond, insert_right_side, evaluate_eq_attr,
3712 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3713 Use simplify_test_exp_in_temp.
3714 (optimize_attrs): Iterate until expression stabilizes.
3716 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3718 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3719 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3721 2001-08-13 Richard Henderson <rth@redhat.com>
3723 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3724 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3725 * config/arm/conix-elf.h: Likewise.
3727 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3729 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3731 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3733 * gcse.c (hash_scan_set): Expressions that are set as part of
3734 jump instructions are not available.
3736 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3738 * config/s390/s390.c (print_operand, s390_function_prologue,
3739 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3741 2001-08-13 Richard Henderson <rth@redhat.com>
3743 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3744 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3745 * doc/tm.texi (Exception Region Output): Document it.
3747 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3749 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3750 DWARF2 instead of stabs by default.
3752 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3754 * config/rs6000/rs6000.c: Include optabs.h.
3756 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3758 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3759 save/restore routines.
3760 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3762 2001-08-13 Andreas Jaeger <aj@suse.de>
3764 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3765 the english is correct.
3767 2001-08-13 Zack Weinberg <zackw@panix.com>
3769 * expr.h: Split out optab- and libfunc-related code to...
3770 * optabs.h, libfuncs.h: ... these new headers.
3772 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3774 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3776 * mkconfig.sh: Don't include insn-codes.h from config.h.
3778 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3779 enum insn_code is available. Move reload_in_optab and
3780 reload_out_optab array declarations to optabs.h.
3781 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3782 there, prototype in expr.h.
3783 * gencodes.c: Cleanup: zap global variables, don't use
3784 printf where puts will do, don't bother defining MAX_INSN_CODE
3785 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3787 * genemit.c, genopinit.c: Include optabs.h in generated file.
3788 * genoutput.c: Include insn-codes.h in generated file.
3789 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3790 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3791 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3792 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3793 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3794 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3796 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3797 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3798 config/m88k/m88k.c, config/sparc/sparc.c:
3800 * reload.c: Include expr.h and optabs.h before reload.h.
3801 * config/alpha/alpha.c: Include tree.h before reload.h.
3802 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3803 and reload.h in that order.
3804 * config/sparc/sparc.c: Include debug.h.
3805 * recog.c: Include insn-codes.h.
3807 2001-08-13 Andreas Jaeger <aj@suse.de>
3809 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3812 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3814 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3815 * gcc.c (init_spec): Fix typo in comment.
3816 * varasm.c (data_section): Fix typo in comment.
3818 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3820 * predict.c (dump_prediction): New argument "USED".
3821 (combine_predictions_for_insn): Determine the used heuristics,
3822 output the case no heuristic applied.
3823 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3825 2001-08-13 Andreas Jaeger <aj@suse.de>
3827 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3830 2001-08-13 Kazu Hirata <kazu@hxi.com>
3832 * jump.c: Fix formatting.
3834 2001-08-13 Kazu Hirata <kazu@hxi.com>
3836 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3839 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3841 * loop.c (check_dbra_loop): Use condjump_label to compute
3844 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3845 to better document the files they're in.
3847 2001-08-12 Zack Weinberg <zackw@panix.com>
3849 * recog.h (struct insn_operand_data): Shrink 'mode' field
3852 2001-08-12 Kazu Hirata <kazu@hxi.com>
3854 * gcc.c: Fix comment formatting.
3855 * gccspec.c: Likewise.
3858 * genemit.c: Likewise.
3859 * gengenrtl.c: Likewise.
3860 * genrecog.c: Likewise.
3861 * gensupport.c: Likewise.
3862 * ggc-page.c: Likewise.
3863 * global.c: Likewise.
3864 * graph.c: Likewise.
3865 * ifcvt.c: Likewise.
3866 * integrate.c: Likewise.
3868 * libgcc2.c: Likewise.
3870 * mbchar.c: Likewise.
3871 * optabs.c: Likewise.
3872 * predict.c: Likewise.
3873 * prefix.c: Likewise.
3874 * profile.c: Likewise.
3875 * protoize.c: Likewise.
3877 * recog.c: Likewise.
3878 * regclass.c: Likewise.
3879 * regmove.c: Likewise.
3880 * reg-stack.c: Likewise.
3881 * reload1.c: Likewise.
3882 * resource.c: Likewise.
3883 * rtlanal.c: Likewise.
3886 2001-08-12 Kazu Hirata <kazu@hxi.com>
3888 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3889 a tree representing a constant is passed to the macro.
3891 2001-08-12 Richard Henderson <rth@redhat.com>
3893 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3894 (rs6000_elf_asm_out_destructor): New.
3895 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3896 (DTORS_SECTION_ASM_OP): Remove.
3897 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3898 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3900 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3903 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3904 * gcc.c (set_collect_gcc_options): New function, split out from
3906 Ignore elided switches.
3907 (do_spec_1): Invoke before executing command.
3908 (set_input): Export.
3909 Move declaration ...
3910 * gcc.h (set_input): ... here.
3911 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3914 2001-08-12 Richard Henderson <rth@redhat.com>
3916 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3917 thinko wrt TARGET_RELOCATABLE.
3919 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3921 * fix-header.c (cb_file_change): Update prototype.
3923 2001-08-11 Zack Weinberg <zackw@panix.com>
3925 * toplev.c (set_float_handler): Make static.
3926 * toplev.h: Don't prototype set_float_handler.
3928 * simplify-rtx.c: Don't include setjmp.h.
3929 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3931 (simplify_unary_operation, simplify_binary_operation): Use them,
3932 via do_float_handler.
3934 * fold-const.c: Don't include setjmp.h.
3935 (exact_real_inverse_1): New function.
3936 (exact_real_inverse): Use it, via do_float_handler.
3938 * varasm.c: Don't include setjmp.h.
3939 (assemble_real_1): New function.
3940 (assemble_real): Use it, via do_float_handler.
3941 Call internal_error if we get a trap here.
3943 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3944 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3946 2001-08-11 Zack Weinberg <zackw@panix.com>
3948 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3949 STACK_BOUNDARY if not already defined.
3951 * calls.c, function.c, reload1.c, explow.c: Don't default
3952 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3953 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3955 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3958 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3959 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3961 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3963 * cppmacro.c (enter_macro_context): Push macro expansions even
3966 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3968 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3969 (rs6000_elf_section_type_flags): Actually return a value.
3971 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3973 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3974 Clean up code: add missing comments and prototypes, fix warnings,
3975 remove obsolete code, fix spacing to conform to coding style.
3977 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3979 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3980 and TARGET_ASM_CLOSE_PAREN.
3981 (regclass_map): CC register belongs to class NO_REGS.
3982 (legitimize_pic_address): Don't generate unnecessary moves
3983 (to avoid confusing loop optimization).
3984 (check_and_change_labels): Replace jump_long by indirect_jump.
3985 (s390_final_chunkify): Don't start a new literal pool on section
3986 switch in 64-bit code.
3987 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3989 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3990 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3991 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3993 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3994 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3995 (CONST_COSTS): Fixed incorrect costs.
3997 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3998 Use emit_jump instead of emit_jump_insn (gen_jump).
3999 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4000 (to avoid confusing flow analysis).
4001 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4002 (casesi, casesi_jump): New.
4003 (jump_long): Removed. Functionality merged into indirect_jump.
4004 (indirect_jump): Accept address_operand, not just register_operand.
4005 (cjump_long, icjump_long): Use same logic as indirect_jump.
4006 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4007 Fixed broken setjmp/longjmp handling.
4008 (do_builtin_setjmp_setup): Removed.
4010 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4011 broken GNU as versions that don't accept .quad with large
4012 negative values. Use hexadecimal output instead.
4013 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4014 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4015 FUNCTION_EPILOGUE): Removed. Now in targetm.
4017 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4019 * config/s390/fixdfdi.h: Add missing copyright statement.
4020 Fix type conflicts on 64-bit. Add missing SFmode routines.
4022 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4025 2001-08-11 Richard Henderson <rth@redhat.com>
4027 * rtl.h (REG_EH_RETHROW): Remove.
4028 * rtl.c (reg_note_name): Update.
4029 * combine.c (distribute_notes): Don't check for it.
4031 2001-08-11 Richard Henderson <rth@redhat.com>
4033 * combine.c (distribute_notes): Place REG_SETJMP.
4035 2001-08-11 Richard Henderson <rth@redhat.com>
4037 * doc/extend.texi (Arrays and pointers implementation): Discourage
4038 relying on sign-extension of pointers.
4040 2001-08-11 H.J. Lu <hjl@gnu.org>
4042 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4044 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4045 RDATA_SECTION_ASM_OP.
4047 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4049 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4050 main manual to work both for info and HTML versions.
4052 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4053 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4055 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4056 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4057 (struct cpp_pool): New member first.
4058 * cppinit.c (append_include_chain): Plug memory leaks.
4059 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4060 Allocate pragma structures from the (aligned) macro pool to
4061 avoid leaking memory.
4062 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4063 so we don't leak memory.
4064 * hashtable.c (ht_destroy): New.
4065 * hashtable.h (ht_destroy): New.
4067 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4068 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4070 * c-lex.c (map): Make const.
4071 (cb_file_change): Update for callback passing a line map.
4072 Don't assume we have a previous map. Remove sanity check
4073 about popping too many files.
4074 * cpperror.c (print_location): Make map const.
4075 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4076 (cpp_make_system_header): Similarly.
4077 (search_from): Similarly.
4078 (_cpp_execute_include): Don't remember where we came from.
4079 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4080 (struct cpp_reader): Make map const.
4081 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4082 * cpplib.c (do_line): Update; line maps now hold sysp.
4083 (cpp_push_buffer): Similarly.
4084 (_cpp_do_file_change): Similarly; callback with map instead.
4085 (cpp_get_line_maps): Constify return value.
4086 (_cpp_pop_buffer): Update.
4087 * cpplib.h (struct cpp_file_change): Remove.
4088 (struct cpp_callbacks): Update.
4089 (cpp_get_line_maps): Constify return value.
4090 * cppmacro.c (_cpp_create_definition): Update.
4091 * cppmain.c (struct printer): Constify map.
4092 (maybe_print_line): Similarly.
4093 (print_line): Similarly. Deduce flags 1 and 2 here.
4094 (cb_file_change): Update.
4095 * line-map.c (free_line_maps): Warn regardless.
4096 (add_line_map): Return pointer to const. When passed NULL to_file
4097 with LC_LEAVE, use the obvious values for the return point so the
4098 caller doesn't have to figure them out.
4099 (lookup_line): Return pointer to const.
4100 (print_containing_files): Take pointer to const.
4101 * line-map.h (struct line_map): New members reason, sysp.
4102 (add_line_map): Return pointer to const.
4103 (lookup_line): Similarly.
4104 (print_containing_files): Take pointer to const.
4106 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4107 Richard Henderson <rth@redhat.com>
4109 * regmove.c (regmove_optimize): Avoid setting a register twice in
4112 2001-08-10 Richard Henderson <rth@redhat.com>
4114 * doc/extend.texi (Arrays and pointers implementation): Document
4115 behavior of pointer/integer conversion.
4117 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4119 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4121 2001-08-10 Richard Henderson <rth@redhat.com>
4123 * doc/extend.texi (C Implementation): New chapter.
4124 * doc/gcc.texi (Top): Link it in.
4126 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4128 * doc/install.texi (Specific): Fix CVS merge botch.
4130 2001-08-10 Richard Henderson <rth@redhat.com>
4132 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4133 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4135 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4137 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4138 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4139 this macro is now required.
4141 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4142 loop.c (find_and_verify_loops), reload.c (reload): Check
4143 for rtx code of CALL_INSN, not CALL, when deciding if we
4144 need to check for REG_SETJMP note.
4146 * gcse.c (compute_hash_table, compute_store_table): Update
4147 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4150 * config/avr/avr.c: Fix typo.
4151 * config/convex/convex.c (expand_movstr): Use adjust_address.
4152 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4154 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4155 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4157 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4158 Do define STACK_BOUNDARY.
4159 * config/i370/i370.c: Include expr.h.
4160 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4161 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4162 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4163 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4164 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4165 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4166 * config/romp/romp.c: Include expr.h after tree.h.
4168 (output_fpop): Use xmalloc, not oballoc.
4169 * config/we32k/we32k.c: Include expr.h.
4171 2001-08-10 Kazu Hirata <kazu@hxi.com>
4173 * config/h8300/h8300.h: Fix formatting.
4175 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4177 * c-common.h (RETURN_NULLIFIED_P): Lose.
4178 * c-semantics.c (genrtl_return_stmt): Don't check it.
4180 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4182 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4183 (mips_annotate_frame_insn): New function.
4184 (mips_emit_frame_related_store): New function.
4185 (save_restore_insns): Don't mark instructions that set up the base
4186 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4187 the store instructions instead.
4188 (mips_expand_prologue): If the stack size is moved into a temporary
4189 register, do not mark that move as frame-related. Add a
4190 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4192 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4194 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4195 stack slot as unchanging if current_function_calls_eh_return.
4197 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4199 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4200 access the second half of the TFmode scratch operand.
4202 2001-08-10 Anthony Green <green@redhat.com>
4204 * java/class.c (emit_register_classes): Conditionalize code on
4207 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4209 * doc/install.texi (Specific, avr): Fix cross-reference to the
4210 main manual to work both for info and HTML versions.
4212 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4214 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4215 and "use_goto" argument.
4216 (expand_null_return, expand_value_return): Update all callers.
4217 * function.c (expand_function_end): Remove code to generate simple
4219 * config/vax/vax.md (epilogue): New expander for function return.
4220 * doc/md.texi (epilogue): Remove "if defined".
4222 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4224 * Makefile.in: Partially revert my previous change:
4225 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4226 of the hashtab.o and safe-ctype.o rules.
4228 2001-08-09 Richard Henderson <rth@redhat.com>
4230 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4231 (USE_COLLECT2): Remove duplicate definition.
4232 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4233 (use_collect2): Remove dead code.
4234 * configure.in (use_collect2): Remove will_use_collect2 and
4235 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4236 * configure: Rebuild.
4238 * target.h (targetm.asm_out.constructor): New.
4239 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4240 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4241 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4242 * varasm.c (in_ctors, in_dtors): New.
4243 (assemble_constructor, assemble_destructor): Remove.
4244 (default_stabs_asm_out_destructor): New.
4245 (default_named_section_asm_out_destructor): New.
4246 (dtors_section, default_dtor_section_asm_out_destructor): New.
4247 (default_stabs_asm_out_constructor): New.
4248 (default_named_section_asm_out_constructor): New.
4249 (ctors_section, default_ctor_section_asm_out_constructor): New.
4250 * output.h: Update declarations.
4251 * c-decl.c (c_expand_body): Use target hooks instead of
4252 assemble_constructor and assemble_destructor.
4253 * profile.c (output_func_start_profiler): Likewise.
4254 * objc/objc-act.c (finish_objc): Likewise.
4255 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4256 for the constructor.
4257 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4259 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4260 (DTORS_SECTION_ASM_OP): Likewise.
4261 (__CTOR_LIST__): Use attribute section when possible.
4262 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4264 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4265 ASM_OUTPUT_CONSTRUCTOR.
4267 * config/darwin.c (machopic_asm_out_constructor): New.
4268 (machopic_asm_out_destructor): New.
4269 * config/darwin-protos.h: Update declarations.
4270 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4271 (ASM_OUTPUT_DESTRUCTOR): Remove.
4272 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4273 * config/nextstep.c (nextstep_asm_out_constructor): New.
4274 (nextstep_asm_out_destructor): New.
4275 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4276 (ASM_OUTPUT_DESTRUCTOR): Remove.
4277 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4278 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4279 ASM_OUTPUT_*STRUCTOR.
4280 * config/i386/aix386ng.h: Likewise.
4282 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4283 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4284 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4285 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4286 * config/lynx.h: Likewise.
4287 * config/netware.h: Likewise.
4288 * config/psos.h: Likewise.
4289 * config/alpha/alpha-interix.h: Likewise.
4290 * config/alpha/elf.h: Likewise.
4291 * config/arc/arc.h: Likewise.
4292 * config/arm/aof.h: Likewise.
4293 * config/arm/coff.h: Likewise.
4294 * config/arm/elf.h: Likewise.
4295 * config/c4x/c4x.h: Likewise.
4296 * config/h8300/h8300.h: Likewise.
4297 * config/i386/cygwin.h: Likewise.
4298 * config/i386/djgpp.h: Likewise.
4299 * config/i386/i386-coff.h: Likewise.
4300 * config/i386/i386-interix.h: Likewise.
4301 * config/i386/sco5.h: Likewise.
4302 * config/i386/vsta.h: Likewise.
4303 * config/i386/win32.h: Likewise.
4304 * config/i960/i960-coff.h: Likewise.
4305 * config/ia64/sysv4.h: Likewise.
4306 * config/m68hc11/m68hc11.h: Likewise.
4307 * config/m68k/coff.h: Likewise.
4308 * config/m68k/mot3300.h: Likewise.
4309 * config/m88k/m88k.h: Likewise.
4310 * config/mcore/mcore-pe.h: Likewise.
4311 * config/mcore/mcore.h: Likewise.
4312 * config/mips/elf.h: Likewise.
4313 * config/mips/elf64.h: Likewise.
4314 * config/mips/iris6.h: Likewise.
4315 * config/pa/pa64-hpux.h: Likewise.
4316 * config/rs6000/sysv4.h: Likewise.
4317 * config/sh/sh.h: Likewise.
4318 * config/sparc/litecoff.h: Likewise.
4320 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4321 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4322 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4323 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4324 (ASM_OUTPUT_DESTRUCTOR): Remove.
4325 * config/a29k/a29k.c: Move include of tree.h.
4326 * config/a29k/udi.h: Delete file.
4327 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4328 (vms_asm_out_destructor): New.
4329 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4330 (EXTRA_SECTION_FUNCTIONS): Likewise.
4331 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4332 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4333 * config/c4x/c4x.c: Move include of tree.h.
4334 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4335 (clix_asm_out_destructor): New.
4336 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4337 (ASM_OUTPUT_DESTRUCTOR): Remove.
4338 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4339 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4340 (TARGET_ASM_CONSTRUCTOR): New.
4341 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4342 (sco_asm_out_constructor): New.
4343 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4344 * config/i386/svr3gas.h: Remove stack grows up code.
4345 Remove code duplicated from i386/sysv3.h.
4346 (TARGET_ASM_CONSTRUCTOR): New.
4347 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4348 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4349 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4350 (TARGET_ASM_CONSTRUCTOR): New.
4351 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4352 (m68hc11_asm_out_destructor): New.
4353 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4354 (TARGET_ASM_DESTRUCTOR): New.
4355 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4356 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4357 config/svr3.h pertaining to section manipulation.
4358 * config/m68k/dpx2g.h: Remove #if 0 code.
4359 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4360 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4361 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4362 (TARGET_ASM_CONSTRUCTOR): New.
4363 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4364 (m88k_svr3_asm_out_constructor): New.
4365 (m88k_svr3_asm_out_destructor): New.
4366 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4367 (ASM_OUTPUT_DESTRUCTOR): Remove.
4368 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4369 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4370 * config/rs6000/aix.h: Likewise.
4371 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4372 * config/mips/vxworks.h: Likewise.
4373 * config/rs6000/lynx.h: Likewise.
4374 * config/sh/elf.h: Likewise.
4375 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4376 (DTORS_SECTION_ASM_OP): New.
4377 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4378 (ASM_OUTPUT_DESTRUCTOR): Remove.
4379 * config/sparc/sol2-sld-64.h: Likewise.
4380 * config/vax/vax.c (vms_asm_out_constructor): New.
4381 (vms_asm_out_destructor): New.
4382 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4383 (ASM_OUTPUT_DESTRUCTOR): Remove.
4384 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4386 * doc/tm.texi (@node Initialization): Update.
4388 2001-08-09 Richard Henderson <rth@redhat.com>
4390 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4391 (__do_global_dtors_aux): Use gp-relative static data to avoid
4392 one dynamic relocation.
4393 (__do_frame_setup): Register Java classes.
4394 * config/alpha/crtend.asm (__JCR_END__): New.
4396 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4398 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4399 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4400 (GEN, STAGESTUFF): Add new files.
4401 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4402 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4403 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4404 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4405 as well as insn-codes.h and insn-flags.h in config.h; and no
4406 extra headers in tconfig.h and hconfig.h.
4408 * gencodes.c: Eliminate code to generate predicate declarations
4409 or #defines for md-file constants.
4410 * genconstants.c, genpreds.c: New files.
4412 * i386.md: Re-order guard expressions such that TARGET_64BIT
4413 comes first, when this permits better optimization. Add
4414 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4415 why this is desirable.
4417 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4419 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4420 (find_fde_for_dso): Remove.
4421 (_Unwind_IteratePhdrCallback): New.
4422 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4423 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4425 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4427 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4428 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4430 2001-08-09 Graham Stott <grahams@redhat.com>
4432 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4433 (vis_no_unit): Use it.
4434 (visualize_no_unit): Add the insn only if room exists.
4436 2001-08-09 Graham Stott <grahams@redhat.com>
4438 * predict.c (estimate_probability): Replace magic numbers with
4439 appropriate enumeration.
4441 2001-08-09 Graham Stott <grahams@redhat.com>
4443 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4445 (EXTRACT_FLAGS): Likewise.
4447 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4449 * config/mips/mips.c (mips_legitimate_address_p): Check for
4450 CONST_INT in last patch.
4452 2001-08-08 Anthony Green <green@redhat.com>
4454 * java/class.c (emit_register_classes): Use assemble_jcr if
4455 possible. Keep the original mechanism as a fallback.
4456 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4457 and weak symbol support.
4458 * crtstuff.c (__JCR_LIST__): Define.
4459 (__JCR_END__): Define.
4460 (_Jv_RegiserClasses): Define weak symbol if possible.
4461 (__do_global_ctors_aux): Register classes for ELF targets with
4462 weak symbol support.
4464 2001-08-08 Kazu Hirata <kazu@hxi.com>
4466 * dbxout.c: Fix comment formatting.
4467 * dependence.c: Likewise.
4469 * diagnostic.c: Likewise.
4470 * dominance.c: Likewise.
4471 * doprint.c: Likewise.
4472 * dwarf2out.c: Likewise.
4473 * dwarfout.c: Likewise.
4474 * emit-rtl.c: Likewise.
4475 * except.c: Likewise.
4476 * explow.c: Likewise.
4477 * expmed.c: Likewise.
4480 * fold-const.c: Likewise.
4481 * function.c: Likewise.
4483 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4485 * global.c (retry_global_alloc): Avoid shadowing allocno.
4487 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4489 * except.c (remove_fixup_regions): Fix typo.
4491 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4493 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4494 unsigned HOST_WIDE_INT to avoid warning.
4495 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4496 * flow.c (set_block_for_new_insns): Likewise.
4498 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4500 * sibcall.c (return_value_pseudo): New static variable.
4501 (skip_copy_to_return_value): Handle return_value_pseudo.
4502 (call_ends_block_p): Ensure that return_value_pseudo is set.
4503 (optimize_sibling_and_tail_recursive_call): Discover the
4504 load of pseudo return value in alternate exit block.
4506 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4508 * calls.c (ECF_ALWAYS_RETURN): New constant.
4509 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4510 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4511 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4512 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4513 * rtl.c (reg_note_name): New name.
4514 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4516 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4518 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4520 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4522 * alias.c (get_alias_set): Return a previously calculated
4523 alias set for a VAR_DECL.
4524 * function.c (gen_mem_addressof): Calculate the alias set before
4527 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4529 * predict.def: Set hitrates according our experimental run.
4531 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4533 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4535 2001-08-08 H.J. Lu <hjl@gnu.org>
4537 * config/mips/mips.c (mips_unique_section): New. Copied from
4540 * config/mips/mips-protos.h (mips_unique_section): New
4543 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4545 * config/mips/little.h: New. Generic little endian mips
4546 targets. Only mips*-*-linux* is converted to use it so far.
4548 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4549 (WCHAR_TYPE): Defined
4550 (WCHAR_TYPE_SIZE): Likewise.
4551 (INIT_SUBTARGET_OPTABS): Likewise.
4552 (BSS_SECTION_ASM_OP): Likewise.
4553 (SBSS_SECTION_ASM_OP): Likewise.
4554 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4555 (ASM_DECLARE_OBJECT_NAME): Likewise.
4556 (UNIQUE_SECTION): Likewise.
4557 (EXTRA_SECTIONS): Likewise.
4558 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4559 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4560 (ASM_OUTPUT_DEF): Likewise.
4561 (HANDLE_SYSV_PRAGMA): Removed.
4562 (NO_IMPLICIT_EXTERN_C): Likewise.
4563 (TARGET_MEM_FUNCTIONS): Likewise.
4564 (STARTFILE_SPEC): Likewise.
4565 (ENDFILE_SPEC): Likewise.
4566 (LIB_SPEC): Likewise.
4567 (INVOKE__main): Likewise.
4568 (CTOR_LIST_BEGIN): Likewise.
4569 (CTOR_LIST_END): Likewise.
4570 (DTOR_LIST_BEGIN): Likewise.
4571 (DTOR_LIST_END): Likewise.
4572 (SET_ASM_OP): Likewise.
4573 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4574 (ASM_OUTPUT_DEF): Likewise.
4575 (ASM_OUTPUT_IDENT): Likewise.
4577 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4578 (CPLUSPLUS_CPP_SPEC): Likewise.
4579 (ASM_APP_ON) Redefine only if not defined.
4580 (ASM_APP_OFF): Likewise.
4581 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4582 (ASM_OUTPUT_IDENT): Likewise.
4584 * config.gcc: Update tm_file for Linux/mips.
4586 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4588 * cselib.c (cselib_record_sets): If insn is predicated, turn
4589 sources into IF_THEN_ELSEs.
4591 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4592 Turn into define_insn_and_split.
4594 * sched-deps.c: Include "cselib.h".
4595 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4596 Use cselib to turn memory addresses into VALUEs.
4597 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4598 * sched-int.h (struct sched_info): New member USE_CSELIB.
4599 * sched-ebb.c (ebb_sched_info): Initialize it.
4600 * sched-rgn.c (rgn_sched_info): Likewise.
4601 * Makefile.in (sched-deps.o): Update dependencies.
4603 * cselib.h (cselib_subst_to_values): Declare.
4604 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4605 that have no value and autoincs to be handled by generating a new
4608 2001-08-08 Graham Stott <grahams@redhat.com>
4610 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4611 within fixed length SEQUENCE.
4613 2001-08-08 Graham Stott <grahams@redhat.com>
4615 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4616 (diagnostic_prefixing_rule): Likewise.
4617 (diagnostic_line_cutoff): Likewise.
4618 (diagnostic_kind_count): Likewise.
4620 2001-08-08 Graham Stott <grahams@redhat.com>
4622 * alias.c (find_base_decl): Delete redundent assignment.
4624 2001-08-08 Graham Stott <grahams@redhat.com>
4626 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4627 (abs): Uppercase and paranthesize macro parameter.
4628 (MEM_DEPENDENCY): Add whitespace.
4630 2001-08-08 Graham Stott <grahams@redhat.com>
4632 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4633 failure check for CONST_INT
4635 2001-08-08 Graham Stott <grahams@redhat.com>
4637 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4638 (libcall_dead_p): Likewise.
4640 (mark_used_regs): Constify fmt.
4641 (find_use_as_address): Likewise.
4643 2001-08-08 Graham Stott <grahams@redhat.com>
4645 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4648 2001-08-08 Graham Stott <grahams@redhat.com>
4650 * combine.c (combine_simplify_rtx): Update comment and
4651 remove erroneous test.
4653 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4655 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4656 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4657 take care to avoid multiple no-newline at EOF warnings in that
4660 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4662 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4663 (emit_library_call_value_1): Likewise.
4664 (emit_call_1): Emit REG_SETJMP note.
4665 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4667 * cselib.c (cselib_process_insn): Likewise.
4668 * flow.c (propagate_block): Likewise.
4669 * loop.c (find_and_verify_loops): Likewise.
4670 * reload.c (find_equiv_regs): Likewise.
4671 * reload1.c (reload): Likewise.
4672 * resource.c (mark_referenced_resources,
4673 mark_set_resources): Likewise.
4674 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4675 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4676 * haifa-sched.c (unlink_other_notes): Likewise.
4677 (reemit_notes): Likewise.
4678 * sched-ebb.c (sched_ebb): Likewise.
4679 * sched-rgc.c (sched_region): Likewise.
4680 * rtl.c (note_insn_name): Likewise.
4681 (reg_note_name): Add REG_SETJMP
4682 * rtl.h (reg_note): Add REG_SETJMP.
4683 (insn_note): Remove NOTE_INSN_SETJMP.
4685 * profile.c (branch_prob): Add fake edges for setjmp.
4687 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4689 * config.gcc: Quote target_cpu_default2 correctly for
4690 powerpc*-*-* targets.
4692 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4694 * cpplib.h, line-map.h: Update comments.
4695 * cppmain.c (printer_init): Move inline.
4696 (maybe_print_line, print_line): Take a map pointer.
4697 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4698 (cb_file_change): Don't use prior value of print.map.
4700 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4702 * doc/install.texi: Document fine-grained multilib configuration.
4704 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4706 * rtlanal.c (find_first_parameter_load): Call note_stores
4707 only on the instructions.
4709 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4711 * alias.c (nonlocal_mentioned_p):
4712 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4713 * calls.c (emit_call_1): Likewise.
4714 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4715 * cselib.c (cselib_process_insn): Likewise.
4716 * df.c (df_insns_modify): Likewise.
4717 * flow.c (need_fake_edge_p): Likewise.
4718 (propagate_one_insn): Likewise.
4719 * haifa-sched.c (reemit_notes): Likewise.
4720 * integrate.c (copy_insn_list): Likewise.
4721 * jump.c (delete_prior_computation): Likewise.
4722 * local-alloc.c (validate_equiv_mem): Likewise.
4723 * loop.c (scan_loop): Likewise.
4724 * predict.c (estimate_probability): Likewise.
4725 * reload.c (reload): Likewise.
4726 * sched-deps (sched_analyze): Likewise.
4727 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4728 * gcse.c (compute_hash_table): Likewise.
4729 (mark_call): Likewise.
4730 (store_killed_in_insn): Likewise.
4732 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4734 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4736 2001-08-06 Richard Henderson <rth@redhat.com>
4738 * varasm.c (assemble_gc_entry): Remove.
4739 * output.h: Likewise.
4741 2001-08-06 Richard Henderson <rth@redhat.com>
4743 * varasm.c (assemble_constructor): Take a symbol_ref and a
4744 priority instead of a bare string. Move priority handling
4745 here from cp/decl2.c.
4746 * output.h: Update decls.
4748 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4749 and assemble_destructor.
4750 * profile.c (output_func_start_profiler): Likewise.
4751 * objc/objc-act.c (finish_objc): Likewise.
4752 (build_module_descriptor): Return the symbol not the symbol name.
4754 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4756 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4757 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4758 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4759 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4760 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4761 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4763 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4765 * cpperror.c (print_containing_files): Moved to line-map.c.
4766 (print_location): line-map.c handles re-listing or otherwise.
4767 * cpphash.h (struct lexer_state): Remove next_bol.
4768 (struct cpp_buffer): Remove include_stack_listed.
4769 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4770 Remove faked buffer handling.
4771 (_cpp_do_file_change): Tweak.
4772 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4773 * cppmain.c (struct printer): Remove filename.
4774 (print_line, cb_file_change): Update accordingly.
4775 * line-map.c: Include intl.h.
4776 (init_line_maps): Initialize last_listed.
4777 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4778 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4779 (print_containing_files): New.
4780 * line-map.h (struct line_maps): New member last_listed.
4781 (print_containing_files, INCLUDED_FROM): New.
4782 * Makefile.in: Update.
4783 * po/POTFILES.in: Add line-map.c.
4785 2001-08-06 Richard Henderson <rth@redhat.com>
4787 * except.c (convert_from_eh_region_ranges_1): Never mark
4788 USE or CLOBBER insns as throwing.
4790 * expr.c (store_constructor): Don't clobber memory targets.
4792 2001-08-06 Andreas Jaeger <aj@suse.de>
4794 * profile.c (branch_prob): Remove unused variable insn.
4796 * Makefile.in (local-alloc.o): Add dependency on except.h.
4798 * local-alloc.c: Include except.h for can_throw_internal prototype.
4800 2001-08-06 Richard Henderson <rth@redhat.com>
4802 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4803 * function.c (expand_main_function): Implement it.
4804 * doc/tm.texi: Document it.
4806 2001-08-06 Stan Shebs <shebs@apple.com>
4808 * doc/install.texi: Document powerpc-*-darwin* details.
4810 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4812 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4813 (ASM_CPU_SPEC): Move back to rs6000.h
4814 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4816 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4818 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4821 * config/rs6000/linux64.h: Ditto.
4823 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4824 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4827 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4828 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4830 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4833 2001-08-05 Richard Henderson <rth@redhat.com>
4835 * local-alloc.c (update_equiv_regs): Do not move insns that
4838 2001-08-05 Jan Hubicka <jh@suse.cz>
4840 * Makefile.in (reload1.o): Add dedendancy on except.h
4841 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4843 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4844 indicating wehther edges has been cleaned up.
4845 * reload1.c: Inlucde except.h
4846 (fixup_abnormal_edges): Accept deleted insns.
4847 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4850 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4852 * cpplib.c (do_line): Correct line number after pop_buffer.
4854 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4856 PR preprocessor/3824
4857 * line-map.c: Update comments.
4858 * line-map.h: Update comments.
4859 * tradcif.y: Don't consider large numbers unsigned.
4861 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4863 PR preprocessor/3081
4864 * c-lex.c (map): New.
4865 (cb_file_change): Update map and use it.
4866 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4867 (c_lex): Update to use map.
4868 * cpperror.c (print_location): Move to using logical line numbers.
4869 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4870 (cpp_make_system_header): Similarly.
4871 (_cpp_execute_include): Stop line numbering hacks. Store the
4872 line we will return to.
4873 * cpphash.h (CPP_BUF_LINE): Remove.
4874 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4875 Add map and return_to_line.
4876 (_cpp_do_file_change): Update.
4877 * cppinit.c (cpp_start_read): Update line kludge.
4878 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4879 (trigraph_ok): Use logical line numbers for diagnostics.
4880 (skip_block_comment): Likewise.
4881 (skip_whitespace): Likewise.
4882 (skip_line_comment): Use pfile->line instead.
4883 (_cpp_lex_token): Update to use logical line numbering exclusively.
4884 Handle BOL locally. Accept new lines in directives, but keep
4885 pfile->line decremented. Diagnostics use logical lines. Update
4887 * cpplib.c (SEEN_EOL): New.
4888 (skip_rest_of_line, check_eol): Use it.
4889 (end_directive): Increase line number when accepting the newline
4890 at the end of a directive.
4891 (run_directive): Simplify.
4892 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4893 (_cpp_do_file_change): Update to take buffer line number as an
4894 argument, and store the current map in the cpp_reader. Remove
4895 line number kludges.
4896 (_cpp_do__Pragma): Restore output position after a _Pragma.
4897 (cpp_push_buffer): Don't set output line or lineno.
4898 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4899 Remove line kludge. Set output_line.
4900 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4901 (parse_arg): Use logical lines.
4902 (save_lookahead_token): Save EOFs too now.
4903 * cppmain.c (struct printer): Fix comments.
4904 (printer_init): Simplify, let caller do errors.
4905 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4906 (maybe_print_line): Simplify.
4907 (print_line): Don't print a linemarker if -P.
4908 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4909 (cb_file_change): Simplify.
4910 * line-map.h (LAST_SOURCE_LINE): Fix.
4911 (CURRENT_LINE_MAP): New.
4913 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4915 * doloop.c (doloop_modify_runtime): Properly compute number of
4916 iterations if loop was unrolled.
4918 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4919 if their CSELIB_VAL_PTRs are.
4921 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4922 (setup_spill_pointers): Initialize it.
4923 (spill_restore_mem): Set it.
4924 (do_spill, do_restore): Use it to add REG_INC note.
4925 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4927 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4928 asms if other insns are available.
4930 * config/ia64/ia64.c (condop_operator): New predicate.
4931 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4932 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4935 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4936 temporary register than directly using a MEM.
4938 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4940 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4941 parameter in last change.
4943 2001-08-04 Zack Weinberg <zackw@panix.com>
4945 * sparc.md: Don't use #if inside C test expression.
4947 2001-08-04 Richard Henderson <rth@redhat.com>
4949 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4951 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4953 * cpphash.h (struct cpp_reader): New member directive_line.
4954 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4955 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4956 do_pragma): Pass line to callbacks.
4957 (start_directive): Record line of directive.
4958 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4959 cb_include): Similarly.
4960 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4963 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4965 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4968 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4970 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4972 * reload1.c (fixup_abnormal_edges): New static function.
4975 * flow.c (need_fake_edge_p): New function.
4976 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4977 avoid call insn to be very last insn in the insn stream.
4979 * profile.c (branch_prob): Call flow_call_edges_add instead of
4980 doing that by hand; cleanup cfg to re-merge basic blocks once
4983 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4985 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4986 are also on line-map.h.
4987 * cppfiles.c (stack_include_file): Update.
4988 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4989 (_cpp_pop_buffer): New.
4990 * cppinit.c (cpp_destroy, cpp_finish): Update.
4991 (do_includes): Mark each buffer to return at EOF.
4992 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4993 return as requested.
4994 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4995 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4996 * cpplib.h (cpp_pop_buffer): Remove.
4997 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4998 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5000 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5002 (do_preprocessing): Update.
5003 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5004 * c-parse.in (_yylex): Similarly.
5005 * scan-decls.c (scan_decls): Similarly.
5006 * line-map.h: Update comments.
5008 * objc/Make-lang.in (objc-act.o): Update dependencies.
5010 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5012 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5013 and soft register for operand 0.
5014 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5016 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5018 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5019 register for operand 0.
5020 ("bitcmpqi_z_used"): Allow memory for operand 0.
5021 (split "bitcmpqi"): New split to handle address reg as operand 1.
5023 2001-08-04 Andreas Jaeger <aj@suse.de>
5025 * gcse.c: Revert Daniel's last patch.
5027 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5029 * sparc-protos.h: Add prototypes for fp_zero_operand and
5031 * sh-protos.h: Add prototype for fpul_operand.
5033 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5035 * doc/extend.texi (Other Builtins): Fix typo in last change.
5037 2001-08-03 Richard Henderson <rth@redhat.com>
5039 * target.h (gcc_target): Add asm_out.named_section,
5040 section_type_flags, have_named_sections.
5041 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5042 (TARGET_HAVE_NAMED_SECTIONS): New.
5043 (TARGET_SECTION_TYPE_FLAGS): New.
5045 * Makefile.in (toplev.o): Depend on TARGET_H.
5046 (varasm.o, dbxout.o): Likewise.
5047 * c-common.c (decl_attributes): Check targetm.have_named_sections
5048 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5049 * dbxout.c (dbxout_function_decl): Likewise.
5050 (dbxout_function_end): Likewise.
5051 * toplev.c (compile_file): Likewise.
5052 * varasm.c (exception_section): Likewise.
5053 * cp/decl2.c (finish_objects): Likewise.
5055 * defaults.h (EH_FRAME_SECTION): Remove.
5056 (EH_FRAME_SECTION_ASM_OP): Remove.
5057 (EH_FRAME_SECTION_NAME): New.
5058 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5059 (UNIQUE_SECTION_P): Remove.
5060 * dwarf2out.c (SECTION_FORMAT): Remove.
5061 (ASM_OUTPUT_SECTION): Remove.
5062 (output_call_frame_info): Use named_section_flags.
5063 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5064 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5065 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5066 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5067 (named_section_flags): New.
5068 (named_section): Use it and targetm.section_type_flags.
5069 (resolve_unique_section): New.
5070 (assemble_start_function): Use it.
5071 (asm_emit_uninitialised, assemble_variable): Likewise.
5072 (default_section_type_flags): New.
5073 (default_no_named_section, default_elf_asm_named_section): New.
5074 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5075 * output.h: Update varasm.c decls.
5076 (SECTION_*): New flags.
5078 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5079 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5081 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5082 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5083 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5084 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5085 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5086 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5087 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5088 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5089 * config/pa/pa64-hpux.h,
5091 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5092 (TARGET_ASM_NAMED_SECTION): New.
5093 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5094 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5095 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5096 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5097 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5098 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5099 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5100 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5101 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5102 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5103 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5104 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5105 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5106 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5107 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5108 * config/sparc/sysv4.h: Likewise.
5110 * config/nextstep.h: Error until named sections implemented.
5112 * config/a29k/a29k.c (a29k_asm_named_section): New.
5113 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5114 (vms_section_type_flags, vms_asm_named_section): New.
5115 * config/arm/arm.c (arm_elf_asm_named_section): New.
5116 * config/avr/avr.c (asm_output_section_name): Remove.
5117 * config/avr/avr-protos.h: Update.
5118 * config/c4x/c4x.c (c4x_asm_named_section): New.
5119 * config/h8300/h8300.c (h8300_asm_named_section): New.
5120 * config/i386/i386.c (sco_asm_named_section): New.
5121 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5122 (i386_pe_section_type_flags): New.
5123 (i386_pe_asm_named_section): New.
5124 * config/i386/i386-protos.h: Update.
5125 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5126 * config/mcore/mcore.c (mcore_asm_named_section): New.
5127 * config/mips/mips.c (iris6_asm_named_section): New.
5128 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5129 instead of UNIQUE_SECTION_P.
5130 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5131 (xcoff_asm_named_section): New.
5132 * config/sh/sh.c (sh_asm_named_section): New.
5133 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5135 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5136 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5137 (EH_FRAME_SECTION_NAME): New.
5138 (EXCEPTION_SECTION): New.
5139 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5140 (DEBUG_*_SECTION): Remove.
5141 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5142 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5143 (EH_FRAME_SECTION_ASM_OP): Remove.
5145 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5146 (ASM_OUTPUT_SECTION_NAME): Remove.
5147 (TARGET_ASM_NAMED_SECTION): New.
5148 (TARGET_HAVE_NAMED_SECTIONS): New.
5149 (TARGET_SECTION_TYPE_FLAGS): New.
5150 (EH_FRAME_SECTION_ASM_OP): Remove.
5151 (EH_FRAME_SECTION_NAME): New.
5153 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5155 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5156 for complex expressions when cfun == 0.
5157 * doc/extend.texi: Document that __builtin_constant_p can be
5158 used in data initializers as well as functions.
5160 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5162 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5163 variable I locally, instead of expecting a declaration in the
5166 2001-08-03 Richard Henderson <rth@redhat.com>
5168 * except.c (collect_one_action_chain): Add an explicit cleanup
5169 action if regions surrounding a catch were encoded entirely
5170 within the call-site entry.
5172 2001-08-03 Richard Henderson <rth@redhat.com>
5174 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5175 don't take REGNO of a non-register.
5177 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5179 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5180 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5181 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5182 (__gthread_mutex_init_function): New function for mutex initialization.
5184 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5186 * Makefile.in: Revert screwed up commit.
5188 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5190 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5191 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5192 merged by linker script to get a final _exit().
5193 (__do_global_dtors): New for destructor handling in specific exit
5195 (__do_global_ctors): New for constructors in specific install section.
5196 (__map_data_section): Map data sections before running constructors.
5197 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5198 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5199 (DTORS_SECTION_ASM_OP): Likewise.
5200 (CTORS_SECTION_FUNCTION): Define to force a reference to
5202 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5204 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5206 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5208 * Makefile.in: Add df.h to gcse.c dependencies.
5210 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5212 * varasm.c (output_constant_def_contents): Use for the length of a
5213 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5214 depending on which is larger.
5216 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5218 * gcse.c: Include df.h for use as a dataflow analyzer.
5220 Declaration of reg_set_info: gone.
5221 New df_analyzer variable used by store motion.
5222 (reg_set_info): Deleted.
5223 (mark_mem_regs): New function, analyze regs used by a mem.
5224 (store_ops_ok): Use dataflow analyzer results to determine if
5225 necessary regs are changed in the block.
5226 (find_moveable_store): Remove check for symbol ref, we can handle
5227 much more complex expressions now.
5228 (compute_store_table): Remove most of the code, it's unnecessary
5229 now that the dataflow analyzer records the info for us.
5230 (store_killed_after): Add parameter to say whether to do the
5231 store_ops_okay test, used to speed up testing when we already know
5232 the answer, and just want to know if the store itself was killed.
5233 (build_store_vector): Largely rewritten to calculate the various
5234 vectors properly, and somewhat optimized.
5235 (store_motion): Init the df_analyzer, get REG_DEF chains.
5236 Also handle trapping expressions (since mems almost always trap)
5237 (simple_mem): Redefine what a simple mem is.
5239 2001-08-03 DJ Delorie <dj@redhat.com>
5241 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5242 set from a constant part of the condition.
5244 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5246 * mkdeps.c (deps_add_default_target): Make local variable
5247 ``start'' a const char pointer.
5248 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5250 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5252 * doc/install.texi (Configuration): Fix markup.
5253 (Specific, i?86-*-udk): Likewise.
5254 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5256 Document --enable-threads and --enable-libgcj status.
5257 (Specific, mips-sgi-irix*): Canonicalize triples.
5258 (Specific, mips-sgi-irix5): Warn about problems with this config.
5259 Mention required GNU as patch.
5260 Native assembler problems are fixed.
5261 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5262 Document --enable-threads and --enable-libgcj status.
5264 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5266 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5269 2001-08-03 Richard Henderson <rth@redhat.com>
5271 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5274 2001-08-03 Richard Henderson <rth@redhat.com>
5276 * rtlanal.c (find_first_parameter_load): Stop if we
5277 reach a CODE_LABEL at BOUNDARY.
5279 2001-08-03 Richard Henderson <rth@redhat.com>
5281 * config/alpha/alpha.md (force_movdi): New insn.
5282 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5283 Tweek FRP marking of VMS prologue insns.
5284 * config/alpha/vms.h (EPILOGUE_USES): New.
5286 2001-08-02 Richard Henderson <rth@redhat.com>
5288 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5290 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5292 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5293 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5294 config/convex/convex.h, config/d30v/d30v.c,
5295 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5296 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5297 config/mips/mips.h, config/mn10200/mn10200.h,
5298 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5299 config/v850/v850.h, config/vax/openbsd.h,
5300 config/vax/openbsd1.h, config/vax/ultrix.h,
5301 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5302 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5303 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5304 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5305 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5306 in comments and documentation.
5308 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5312 * Makefile.in (line-map.o): New.
5313 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5314 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5315 * cpperror.c (print_containing_files): Similarly.
5316 (print_location): Update. Don't output a space before _Pragma.
5317 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5318 (stack_include_filee, cpp_make_system_header): Update.
5319 (_cpp_execute_include): Get logical line number right for calling
5320 as-yet-unterminated #include.
5321 * cpphash.h (struct cpp_reader): Add line_maps.
5322 (_cpp_do_file_change): Update.
5323 * cppinit.c (cpp_create_reader): Initialize line maps.
5324 (cpp_destroy): Destroy line maps.
5325 (cpp_start_read): Get logical line number right.
5326 * cpplex.c (parse_string): Only warn once for multi-line strings.
5327 Use boolean variable for null warning.
5328 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5330 (do_include_common): End the directive early.
5331 (do_line): Don't warn about out-of-range lines in preprocessed
5332 source. Update. Remove unused variables.
5333 (_cpp_do_file_change): Update for new line mapping.
5334 (pragma_cb): New typedef.
5335 (cpp_register_pragma): Stop looking ahead before calling the
5337 (do_pragma_system_header): End directive early.
5338 (cpp_get_line_maps): New.
5339 (cpp_pop_buffer): Fudge logical line. Update.
5340 * cpplib.h: Include line-map.h
5341 (enum cpp_fc_reason): Remove.
5342 (struct cpp_file_change): Update.
5343 (cpp_get_line_maps): New.
5344 * cppmain.c (struct_printer): New member map.
5345 (cb_file_change): Update for new mappings.
5346 * fix-header.c (cb_file_change): Similarly.
5348 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5350 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5351 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5353 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5355 * config/vax/vax.c: include expr.h.
5357 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5359 * Makefile.in ($(srcdir)/configure): Only rebuild in
5361 ($(srcdir)/config.in): Only define in maintainer mode.
5362 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5364 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5366 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5368 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5370 * gcc.c (set_collect_gcc_options): New function, split out from
5372 Ignore elided switches.
5373 (do_spec_1): Invoke before executing command.
5374 (set_input): Export.
5375 Move declaration ...
5376 * gcc.h (set_input): ... here.
5377 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5380 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5383 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5385 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5387 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5389 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5390 for the unnamed instructions it expands to.
5392 2001-08-02 Richard Henderson <rth@redhat.com>
5394 * regclass.c (call_really_used_regs): Conditionally define.
5395 (init_reg_sets_1): Don't use it if not defined.
5396 (fix_register): Similarly, don't set it.
5398 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5400 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5401 Correct comment that had been missed in the previous change.
5403 2001-08-01 Stan Shebs <shebs@apple.com>
5405 * config/darwin.c (machopic_stub_name): Try matching by name.
5406 (update_stubs): New function.
5407 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5410 2001-08-01 Richard Henderson <rth@redhat.com>
5412 * except.c (output_function_exception_table): Use assemble_align.
5413 * varasm.c (assemble_eh_label): Remove.
5414 (assemble_eh_align, assemble_eh_integer): Remove.
5416 2001-08-01 Robert Lipe <robertl@caldera.com>
5418 * dwarfout.c: Remove reference to README.DWARF.
5420 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5422 * regclass.c (call_really_used_regs): New array for registers which
5423 are actually used by a call.
5424 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5426 (fix_register): Set call_really_used too.
5427 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5428 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5430 2001-08-01 Richard Henderson <rth@redhat.com>
5432 * read-rtl.c (read_name): Consider \r whitespace.
5434 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5436 * config.gcc: Recognize powerpc-*-netbsd*.
5438 * doc/install.texi (Host/target specific installation notes for
5439 GCC): Mention powerpc-*-netbsd*.
5441 * config/rs6000/netbsd.h: New file.
5442 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5443 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5444 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5445 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5446 (TARGET_VERSION): Redefine.
5448 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5449 mcall-netbsd as a match for mcall-sysv.
5450 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5451 (ncrti.S, ncrtn.S): New targets.
5452 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5454 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5455 "netbsd' as a V4 ABI.
5456 (ASM_SPEC): Check for -mcall-netbsd.
5457 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5458 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5459 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5460 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5461 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5462 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5463 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5465 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5466 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5468 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5470 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5471 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5472 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5473 including "unwind-pe.h".
5475 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5477 * rs6000.md (define_splits): Kill unused constraints.
5479 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5480 Jan Hubicka <jh@suse.cz>
5482 * function.c (thread_prologue_and_epilogue_insns): Kill code
5483 dealing with non-existent CFG.
5485 2001-08-01 Kazu Hirata <kazu@hxi.com>
5487 * alias.c: Fix comment formatting.
5488 * bitmap.c: Likewise.
5489 * builtins.c: Likewise.
5490 * calls.c: Likewise.
5491 * c-common.c: Likewise.
5492 * c-decl.c: Likewise.
5493 * c-dump.c: Likewise.
5494 * c-lex.c: Likewise.
5495 * collect2.c: Likewise.
5496 * combine.c: Likewise.
5497 * conflict.c: Likewise.
5498 * cppfiles.c: Likewise.
5499 * cppinit.c: Likewise.
5500 * cpplex.c: Likewise.
5501 * cpplib.c: Likewise.
5502 * cppmacro.c: Likewise.
5503 * cppspec.c: Likewise.
5504 * c-pragma.c: Likewise.
5505 * crtstuff.c: Likewise.
5507 * cselib.c: Likewise.
5508 * c-semantics.c: Likewise.
5509 * c-typeck.c: Likewise.
5511 2001-08-01 H.J. Lu <hjl@gnu.org>
5513 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5515 2001-08-01 H.J. Lu <hjl@gnu.org>
5517 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5519 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5521 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5522 contextualizing Objective-C class name lookup by the lexer.
5523 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5525 (protocoldef): Add support for forward @protocol declarations.
5526 (yylexname): Suppress ObjC class name lookup in certain contexts;
5527 re-enable after lookup is complete.
5528 (_yylex): Re-enable ObjC class name lookup when certain
5529 punctuation marks are seen.
5531 * objc/objc-act.c (check_protocol_recursively): New function used
5532 for finding circular dependencies in protocols.
5533 (objc_declare_protocols): New function for handling forward
5534 @protocol declarations.
5535 (receiver_is_class_object): Detect the case when 'self' is used
5536 inside of a class method.
5537 (build_message_expr): Issue a warning if class method is desired
5538 but instance method is found instead.
5539 (conforms_to_protocol): Streamline.
5540 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5541 protocol Foo, even if 'Bar foo' does not.
5542 (check_protocols): Streamline.
5543 (start_protocol): Add checks for circular and duplicate protocol
5545 (encode_aggregate_within): For typedefs of structs, encode the
5547 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5548 (objc_declare_protocols): New prototype.
5550 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5552 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5553 * cpplex.c (handle_newline): Update prototype. Maintain logical
5555 (skip_escaped_newlines, skip_block_comment, parse_string):
5557 (_cpp_lex_token): Update, and store token position within the token.
5558 * cpplib.h (struct cpp_token): Add line and column entries.
5559 * cppmacro.c (replace_args): Position stringified tokens correctly.
5561 2001-08-01 Andreas Jaeger <aj@suse.de>
5563 * basic-block.h: Add prototype for last_loop_beg_note.
5565 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5567 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5568 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5570 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5571 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5572 expand_decl_cleanup.
5573 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5575 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5576 operand while calling simple_cst_equal.
5577 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5578 operand is the cleanup expression, the third is the RTL_EXPR.
5579 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5581 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5583 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5585 2001-07-31 matthew green <mrg@eterna.com.au>
5587 * config.gcc (i386-*-netbsdelf): New description.
5588 * config/i386/netbsd-elf.h: New file.
5590 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5592 * loop.c (check_dbra_loop): Use single_set to compute
5595 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5597 PowerPC reorg and support for powerpc64-*-linux*.
5599 Also fixes emitting of constants on 32 bit and 64 bit
5602 * config.gcc: powerpc64-*-linux* is a new target.
5603 Things that needed aix.h now also include xcoff.h
5605 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5607 Move AIX specific stuff into aix.h.
5608 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5609 with more than just XCOFF now.
5610 (SET_ASM_OP): Remove, now defined where needed.
5611 (FUNCTION_PROLOGUE): New macro definition.
5612 (FUNCTION_EPILOGUE): New macro definition.
5613 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5615 * config/rs6000/xcoff.h: New file.
5617 * config/rs6000/linux64.h: New file.
5619 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5621 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5623 * rs6000.c (print_operand_address): Handle ELF syntax.
5624 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5625 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5626 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5628 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5630 * rs6000.c (rs6000_override_options): Only disable
5631 flag_function_sections for XCOFF.
5632 (exact_log2_cint_operand): New predicate.
5633 (reg_or_{add,sub}_cint64_operand): New predicates.
5634 (add_operand): Compare CONST_INT with fewer function calls.
5635 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5636 (print_operand, case 'p'): Ensure positive operand.
5637 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5638 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5639 (PREDICATE_CODES): Add new predicates.
5640 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5641 (divsi3, modsi3): Ensure positive power-of-2.
5642 (adddi3): Use new predicate. Split 32-bit constants more
5643 correctly. Re-arrange splitter to handle any constant.
5644 (subdi3): Use new predicate.
5645 (divdi3, moddi3): Ensure positive power-of-2.
5646 (movdi): Use rs6000_emit_set_const.
5647 (load_toc_v4_pic_di): Delete.
5649 2001-07-31 Graham Stott <grahams@redhat.com>
5651 * function.c (pad_below): Revert 2001-07-26 patch.
5653 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5655 * reg-stack (convert_regs_1): Fix best edge condition.
5657 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5659 * jump.c (duplicate_loop_exit_test): Better test for jumps
5660 entering the loop; create loop pre_header.
5662 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5664 * doc/install.texi: Add s390 and s390x as new targets.
5665 * doc/invoke.texi: Add documantation of S/390 and zSeries
5667 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5669 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5671 * config/m68k/m68k.md: Replace all general_operand with
5672 nonimmediate_operand for all destinations.
5673 * config/m68k/m68k.c (not_sp_operand): Likewise.
5675 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5677 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5679 2001-07-30 Richard Henderson <rth@redhat.com>
5681 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5682 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5684 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5686 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5687 Add missing doc strings
5688 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5689 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5691 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5693 * i386.c (ix86_output_main_function_alignment_hack): New function.
5694 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5696 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5697 edges by EDGE_DFS_BACK flag.
5698 (dump_edge_info): Add dfs_back flag.
5699 * basic-block.h (EDGE_DFS_BACK): New constant.
5700 (mark_dfs_back_edges): Declare.
5701 * alias.c (loop_p): Remove.
5702 (mark_constant_function): Use mark_dfs_back_edges.
5704 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5705 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5706 (compensate_edge): Break out from ...
5707 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5708 (convert_regs_2): Set block_done once block is really done;
5709 Do updating of the predecesors counts.
5711 * toplev.c (rest_of_compilation): Recompute block_for_insn
5712 before post-reload cfg_cleanup.
5713 * function.c (thread_prologue_epilogue_insns):
5714 Call set_block_for_new_insns when emitting prologue directly.
5716 2001-07-30 Andreas Jaeger <aj@suse.de>
5718 * jump.c: Add prototype for mark_modified_reg.
5720 * cse.c (set_live_p): Add unused attribute.
5722 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5724 (scan_for_source_files): Use long for count to avoid overflow.
5725 (output_data): Likewise.
5726 (output_data): Don't use string concatatenation to silence gcc
5729 * predict.c: Fix typos and grammar.
5731 * gcse.c (insert_insn_end_bb): Remove unused variables.
5733 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5735 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5736 (attempt_auto_inc): LIkewise.
5737 (mark_used_reg): Likewise.
5738 (try_pre_increment_1): Likewise.
5739 * regclass.c (regclass): Likewise.
5740 * global.c (allocno_compare): Update comment; change scaling factor.
5741 * local-alloc.c (QTY_CMP_PRI): Likewise.
5742 * regs.h (REG_FREQ_FROM_BB): New.
5743 (REG_FREQ_MAX): Likewise.
5745 2001-07-30 H.J. Lu <hjl@gnu.org>
5747 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5750 2001-07-30 H.J. Lu (hjl@gnu.org)
5752 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5753 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5754 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5756 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5758 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5759 as -mthumb-interwork when -mcpu=arm7 is specified.
5761 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5763 * predict.def (noreturn, loop branch, loop exit): Mark as first
5766 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5768 * combine.c (try_combine): Avoid barrier after noop jumps.
5770 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5772 * cpphash.h (struct cpp_reader): Remove import_warning.
5773 * cpplib.c (skip_rest_of_line): Don't bother turning off
5775 (parse_include): Move include handling to...
5776 (do_include_common): ... here. Move import warning from...
5777 (do_import): ... here.
5778 (do_pragma_poison): Don't do a callback for poison identifiers.
5779 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5780 * cppmain.c (setup_callbacks): Similarly.
5782 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5784 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5785 handle multiple sets.
5786 * except.c (sjlj_mark_call_sites): .... here.
5787 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5789 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5791 Suggested by Richard Henderson and Richard Kenner:
5792 * combine.c (recog_for_combine): Use the fake recog
5793 only if instruction does not match.
5794 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5795 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5797 * combine.c (try_combine): Discover noop jump as direct jump.
5799 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5801 * df.c (df_rd_global_compute): Add successors to worklist, not
5803 (df_ru_global_compute): Ditto.
5805 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5807 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5808 increment REG_N_SETS.
5810 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5812 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5814 * sbitmap.c (sbitmap_a_xor_b): New function.
5815 ifdef the basic block stuff on IN_GCC.
5817 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5819 * cppexp.c (parse_defined): Always record the macro name.
5820 (lex): Don't worry about identifiers, or special-case
5822 (_cpp_parse_expr): Figure out at the end of the routine
5823 whether we saw a valid !defined() expression.
5824 * cppfiles.c (stack_include_file): Update for mi_valid.
5825 (_cpp_pop_file_buffer): Similarly.
5826 * cpplex.c (_cpp_lex_token): Similarly.
5827 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5828 mi_if_not_defined, mi_lexed): Remove.
5830 * cpplib.c (do_if): Simplify.
5831 (do_endif, push_conditional, _cpp_handle_directive): Update
5832 for renaming of mi_state to mi_valid.
5834 * cpp.texi: Add index entries for digraphs, and add comment
5835 that C++ refers to them as alternative tokens.
5837 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5839 * basic-block.h (CLEANUP_PRE_LOOP): New.
5840 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5841 * sibcall.c (optimize_sibling_calls): Likewise.
5842 * toplev.c (rest_of_compilation): Likewise.
5843 * flow.c (try_forward_edges): Take argument MODE;
5844 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5845 (try_optimize_cfg): Update call of try_forward_edges.
5847 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5848 Jan Hubicka <jh@suse.cz>
5850 * (validate_replace_rtx_1): Fix simplification of MINUS.
5852 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5854 PR preprocessor/3669
5855 * cppinit.c (init_dependency_output): Turn off dump requests
5856 if sending dependencies to stdout.
5858 2001-07-28 Richard Henderson <rth@redhat.com>
5860 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5863 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5865 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5867 2001-07-28 Kazu Hirata <kazu@hxi.com>
5869 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5870 is VAR_DECL first to prevent an ICE.
5872 2001-07-28 Richard Henderson <rth@redhat.com>
5874 * varasm.c (immed_real_const_1): Don't elide special cases for
5876 (clear_const_double_mem): Clear const_tiny_rtx too.
5878 2001-07-28 Richard Henderson <rth@redhat.com>
5880 * dwarf2out.c (dw_val_class_offset): New.
5881 (struct dw_ranges_struct, dw_ranges_ref): New.
5882 (ranges_table, ranges_table_allocated): New.
5883 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5884 (add_AT_offset, add_ranges, output_ranges): New.
5885 (print_die, output_die): Handle dw_val_class_offset.
5886 (attr_checksum, size_of_die, value_format): Likewise.
5887 (gen_lexical_block_die): Handle non-contiguous blocks.
5888 (gen_block_die): Likewise.
5889 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5890 if needed. Dump the ranges table.
5891 * final.c (final_start_function): Remove unnecessary notes and
5892 rebuild the block tree before numbering the blocks.
5893 * function.c (reorder_blocks_0): Walk the existing block tree
5894 to unmark all blocks.
5895 (reorder_blocks_1): Create block fragments when duplicate block
5897 (reorder_fix_fragments): New.
5898 (reorder_blocks): Call it.
5899 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5901 2001-07-28 Richard Henderson <rth@redhat.com>
5903 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5905 2001-07-28 Richard Henderson <rth@redhat.com>
5907 * flow.c (add_to_mem_set_list): New function.
5908 (init_propagate_block_info): Use it.
5909 (mark_set_1): Likewise.
5910 (insn_dead_p): Canonicalize memory address for dead store
5911 comparison. Allow wider mode stores to kill narrower mode stores.
5912 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5913 (invalidate_mems_from_set): Don't handle MEMs.
5915 2001-07-28 Kazu Hirata <kazu@hxi.com>
5917 * config/h8300/h8300.h: Fix formatting.
5919 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5921 * basic-block.h (EDGE_FREQUENCY): New macro.
5922 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5924 * flow.c (find_sub_basic_blocks): Likewise.
5925 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5926 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5928 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5929 (HITRATE): New macro.
5930 (PRED_FLAG_FIRST_MATCH): New constant.
5931 (predictor_info): New field flgags.
5932 (combine_predictions_for_insn): Use DS theory to combine
5933 probabilities; set the edge probabilities when finished.
5934 (estimate_probability): Avoid duplicated matches
5935 of LOOP_BRANCH heuristics for nested loops; update comment.
5936 * predict.def: Add flags for each prediction, set probabilities
5937 according to B&L paper.
5938 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5940 * profile.c (compute_branch_probabilities): Cleanup way the edge
5941 probabilities are computed and REG_BR_PROB notes are dropped; if
5942 values does not match, emit error.
5943 (init_branch_prob): Do error instead of warning when profile driven
5944 feedback is missing or corrupt.
5946 2001-07-27 DJ Delorie <dj@redhat.com>
5948 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5949 against a constant, try to adjust the compare to have the desired
5950 constant in it so that min/max optimizations happen more often.
5952 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5954 * flow.c (last_loop_beg_note): New function.
5955 (redirect_edge_and_branch): Use it.
5956 (split_edge): Likewise.
5958 * alias.c (loop_p): Avoid uninitialized memory access.
5960 * flow.c (try_forward_edges): Avoid accessing freed memory.
5962 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5965 2001-07-26 Andrew Haley <aph@redhat.com>
5966 Joern Rennecke <amylaar@redhat.com>
5968 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5969 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5970 (SUBTARGET_CPP_SPEC): New.
5972 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5973 (SUBTARGET_CPP_PTR_SPEC): New.
5974 (CPP_DEFAULT_CPU_SPEC): New.
5975 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5976 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5977 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5978 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5979 (SUBTARGET_CPP_SPEC): Define as an empty string.
5981 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5983 * doc/install.texi (Configuration): Properly link the host
5984 specific instructions also when generating HTML.
5986 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5988 * flow.c (redirect_edge_and_branch_force): Test
5989 target->global_live_at_start.
5991 2001-07-26 Richard Henderson <rth@redhat.com>
5993 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5994 * rtl.h (avoid_constant_pool_reference): Declare it.
5995 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5996 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5998 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6000 * rtl.h (cleanup_barriers): Declare.
6001 * jump.c (cleanup_barriers): New function.
6002 * toplev.c (rest_of_compilation): Call cleanup_barriers
6003 before loop optimizer and after bb_reorder.
6005 * flow.c (back_edge_of_syntactic_loop_p): New.
6006 (split_edge): Use it.
6008 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6010 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6012 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6014 * cse.c (cse_process_notes): Replace any registers if the address
6017 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6019 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6020 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6021 (propagate_block): Update prototype.
6022 * flow.c (update_life_info): Simplify the CFG and
6023 recalculate the global regs which are alive when
6024 removing dead code during a global update.
6025 (propagate_block): Return non-zero if an INSN is
6028 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6030 * Makefile.in (LIBICONV): Define.
6032 2001-07-26 Catherine Moore <clm@redhat.com>
6034 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6035 of conditional to avoid tree checking errors.
6037 2001-07-26 Kazu Hirata <kazu@hxi.com>
6039 * regmove.c (regmove_optimize): Don't replace a reg with
6040 another reg of a different mode.
6042 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6044 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6045 limit length of dependancy flush list.
6046 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6047 * sched-int.h (struct deps): Add pending_flush_length field.
6048 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6049 has 1 element in it.
6050 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6051 (sched_analyze): After a jump, if the pending memory flush list is too
6052 large, flush the pending lists.
6053 (init_deps): Initialize pending_flush_length to 0.
6054 * doc/invoke.texi (max_pending_list_length): Document parameter.
6056 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6058 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6059 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6060 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6062 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6064 * cpphash.h (struct_lexer_state): Delete was_skipping.
6065 Move skipping here from struct cpp_reader.
6066 * cpplex.c (parse_identifier): Update.
6067 (_cpp_lex_token): Don't skip tokens in a directive.
6068 * cpplib.c (struct if_stack): Update.
6069 (start_directive, end_directive): Don't change skipping state.
6070 (_cpp_handle_directive): Update.
6071 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6072 (do_else, do_endif): Update; only check for excess tokens if not
6073 in a skipped conditional block.
6074 (push_conditional): Update for new struct if_stack.
6076 2001-07-26 Graham Stott <grahams@redhat.com>
6078 * function.c (locate_and_pad_parm): Also pad initial offset
6079 so that the total argument size also includes the padding.
6081 2001-07-26 Graham Stott <grahams@redhat.com>
6083 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6084 change XSTR to XTMPL.
6086 (process_one_cond_exec): Likewise
6088 2001-07-25 Richard Henderson <rth@redhat.com>
6090 * varasm.c (assemble_variable): Create DECL_RTL before setting
6093 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6095 * predict.c (estimate_probability): Avoid duplicated predictions.
6097 * loop.c (find_and_verify_loops): Grok multiple barriers.
6099 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6101 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6103 * dbxout.c: Consistently use putc instead of fputc.
6104 (print_wide_int): New function; call instead of direct fprintf.
6105 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6106 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6107 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6108 (print_int_cst_octal): Likewise.
6109 (print_octal): Show we wrote characters.
6110 (dbxout_type): Set have_used_extensions in more places.
6112 2001-07-25 Catherine Moore <clm@redhat.com>
6114 * config/v850/v850.c (v850_va_arg): Use addr
6115 instead of valist to build incr.
6117 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6119 * flow.c (delete_dead_jumptables): New function.
6120 (life_analyzis): Call it.
6121 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6124 2001-07-25 Richard Henderson <rth@redhat.com>
6126 * except.c (reachable_handlers): Handle a region being removed
6127 out from under a RESX.
6129 2001-07-25 Richard Henderson <rth@redhat.com>
6131 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6132 swap GE/GT if it is an fp comparison.
6134 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6136 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6139 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6141 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6142 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6145 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6147 (visit_expression): When attempting to simplify an expression,
6148 retrieve any modes for arguments before they are simplified
6151 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6152 Janis Johnson <janis@us.ibm.com>
6154 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6155 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6156 pointer parameters to match documented usage of nonlocal_goto.
6157 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6158 parameters to their correct order.
6159 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6160 parameters to their correct order.
6162 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6164 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6166 2001-07-25 Jan Hubicka <jh@suse.cz>
6167 Richard Henderson <rth@redhat.com>
6169 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6171 (make_edges): New argument update_p; populate the edge cache if set.
6172 (find_basic_blocks): Update make_edges invocation.
6174 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6176 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6178 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6180 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6181 -Acpu and -Amachine.h.
6182 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6183 Corrected header to say ELF not a.out.
6184 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6185 when given -msoft-float.
6187 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6189 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6190 extra multilib parts like arm-elf.
6191 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6192 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6193 crtfini.o as extra multilib parts.
6195 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6197 * configure.in: Add rtems as a supported thread model.
6198 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6199 * configure: Rebuilt.
6201 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6203 * stor-layout.c (get_mode_alignment): make it work when
6204 BITS_PER_UNIT is not a power of two.
6205 * builtins.c (get_pointer_alignment): Likewise.
6207 2001-07-24 Richard Henderson <rth@redhat.com>
6209 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6210 the retrieved constant into the expected mode.
6212 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6214 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6215 (verify_flow_info): Check for duplicated edges; clarify
6218 * flow.c (block_label): Update basic_block_for_insn.
6219 (commit_edge_insertions): Call compute_bb_for_insn.
6221 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6224 * flow.c (redirect_edge_and_branch,
6225 try_optimize_cfg): Use redirect_edge_succ_nodup
6226 (redirect_edge_succ_nodup): New.
6227 * basic_block.h (redirect_edge_succ_nodup): Declare.
6229 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6232 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6234 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6235 (try_crossjump_to_edge): Update commetns.
6236 (try_crossjump_bb): Likewise.
6238 2001-07-24 Richard Henderson <rth@redhat.com>
6240 * combine.c (distribute_notes): Move set of need_refresh
6241 for noop_move_p down to catch all cases.
6243 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6245 * recog.c (split_all_insns_noflow): New.
6246 * rtl.h (split_all_insns_noflow): Declare.
6247 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6248 * m68hc11.c (m68hc11_reorg): Likewise.
6249 * sh.c (machine_dependent_reorg): Likewise.
6250 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6253 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6255 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6256 (ashlsi3_n splitter): Likewise.
6257 (lshrsi3_n splitter): Likewise.
6259 (GOTaddr2picreg): Make const SImode.
6260 (sym_label2reg): Likewise.
6261 (symGOT2reg): Likewise.
6262 (symGOTOFF2reg) Likewise.
6264 (casesi_worker_0): Make unspec SImode.
6266 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6268 * config/sh/sh.c (barrier_align): Check that an operand really is
6269 an insn before extracting its INSN_CODE.
6271 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6273 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6276 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6277 for SImode to prevent overflow.
6279 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6281 * config/mips/irix6-libc-compat.c: New file.
6282 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6283 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6286 2001-07-24 lars brinkhoff <lars@nocrew.org>
6288 * rtl.texi (REG_POINTER): Document.
6289 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6290 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6292 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6294 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6296 2001-07-23 Richard Henderson <rth@redhat.com>
6298 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6300 2001-07-23 Kazu Hirata <kazu@hxi.com>
6302 * config/h8300/h8300-protos.h: Add a prototype for
6303 general_operand_dst_push.
6304 * config/h8300/h8300.c (general_operand_dst_push): New.
6305 * config/h8300/h8300.h (OK_FOR_T): New.
6306 (EXTRA_CONSTRAINT): Use it.
6307 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6308 the existing movqi pattern.
6309 (movhi_push): Likewise.
6311 * reload.c: Fix comment typos.
6313 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6315 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6317 2001-07-23 H.J. Lu (hjl@gnu.org)
6319 * doc/extend.texi: Update __builtin_return_address and
6320 __builtin_frame_address.
6322 2001-07-23 Richard Henderson <rth@redhat.com>
6324 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6326 * config/i386/i386.md: New setcc+movzbl peephole2.
6328 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6330 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6331 * objc/objc-act.c: Include debug.h.
6332 (synth_module_prologue): Save and restore debug hooks too.
6334 2001-07-23 lars brinkhoff <lars@nocrew.org>
6336 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6337 and C4X_FLOAT_FORMAT.
6338 (BOOL_TYPE_SIZE): Document.
6340 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6342 * unroll.c (loop_iterations): Fix miscalculation of initial
6345 2001-07-13 Andrew Haley <aph@redhat.com>
6347 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6348 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6349 * config/sh/sh.c (sh_can_redirect_branch): New function.
6350 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6351 * reorg.c (steal_delay_list_from_target): Use
6352 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6354 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6356 * flow.c (try_simplify_condjump): Unlink insn chain on
6357 fallthru edge; use can_fallthru.
6359 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6361 * basic-block.h (find_sub_basic_block): Declare.
6362 * flow.c (make_edges): New arguments MIN and MAX;
6363 (find_sub_basic_blocks): Revamp to use make_edges
6364 and purge_dead_edges.
6365 (find_basic_blocks): Update call of find_sub_basic_block.
6367 * recog.c (split_all_insns): Always expect CFG to be consistent;
6368 call find_sub_basic_blocks in case something has changed.
6369 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6372 * basic-block.h (delete_noop_moves): Declare.
6373 * combine.c (combine_instructions): Call it.
6374 (recog_for_combine): Tolerate noop moves
6375 (distribute_notes): Force refresh when register dies at noop move.
6376 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6378 (life_analysis): Update delete_noop_moves call.
6379 (set_noop_p): Move too ...
6380 * rtlanal.c (noop_move_p): ... here.
6381 * rtl.h (noop_move_p): Declare.
6383 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6384 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6386 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6387 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6389 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6391 * reload.c (push_reload): Fix typo in comment.
6392 (find_reloads_address): Ditto.
6393 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6395 2001-07-22 Richard Henderson <rth@redhat.com>
6397 * flow.c: Grammar check and clarify a lot of comments.
6398 (try_simplify_condjump): Rename variables to be clearer.
6399 (try_forward_edges): Skip complex and fallthru edges.
6400 Rearrange tests to avoid duplicate checks.
6401 (flow_find_cross_jump): Likewise.
6402 (outgoing_edges_match): Allow match if neither branch has
6403 probability data. Loosen probability match to 5%.
6404 (try_crossjump_to_edge): Hoist repeated indirection into
6406 (try_crossjump_bb): Don't check complex edges. Eliminate
6407 redundant crossjump tests.
6408 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6409 checks before more expensive checks.
6411 2001-07-22 Richard Henderson <rth@redhat.com>
6413 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6414 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6417 2001-07-22 Richard Henderson <rth@redhat.com>
6419 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6420 (const_sint32_operand): Likewise.
6421 * m68k.md (anon mulsi pattern): Use const_int_operand not
6422 const_sint32_operand.
6423 (umulsi3_highpart): Zero extend a constant input.
6424 (smulsi3_highpart): Don't bother checking SImode constant.
6425 (const_umulsi3_highpart): Give op3 DImode.
6426 (const_smulsi3_highpart): Likewise.
6428 2001-07-22 Richard Henderson <rth@redhat.com>
6430 * flow.c (split_block): Make sure bb_note is included in the
6431 new block when splitting before a label.
6433 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6435 * basic-block.h (redirect_edge_and_branch_force,
6436 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6437 * flow.c (redirect_edge_and_branch_force,
6438 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6439 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6440 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6441 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6442 instead of label; update CFG after transformation.
6443 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6444 for finishing the transformation; handle even case where ELSE
6445 does not follow THEN.
6446 (find_if_case_2): Update call of dead_or_predictable; simplify
6449 * emit-rtl.c (split_branch_probability): New global variable.
6450 (try_split): Take care to set split_branch_probability and
6451 create REG_BR_PROB note for new jump insns.
6452 * md.texi (define_split): Document new feature.
6454 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6456 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6458 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6459 (asm_out_file): Remove redundant declaration.
6460 (assemble_asm): Remove old #if 0 block.
6461 (assemble_variable): Remove end of function; debug output is
6462 now handled with global_decl. Remove old #if 0 block. Update.
6463 Remove saved_in_section and associated no-op code.
6464 * Makefile.in (varasm.o): Correct dependencies.
6466 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6468 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6469 the definition in defaults.h.
6471 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6473 * jump.c: Update comments.
6474 (delete_barrier_successors, delete_unreferenced_labels,
6475 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6476 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6477 jump_optimize, jump_optimize_minimal): Kill.
6478 (rebuild_jump_labels): Move code from jump_optimize_1.
6479 (purge_line_number_notes): Likewise.
6480 (copy_loop_headers): Likewise.
6481 * reg-stack.c: Update comment.
6483 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6484 JUMP_AFTER_REGSCAN): Kill.
6485 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6486 purge_line_number_notes and copy_loop_headers.
6488 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6489 Richard Henderson <rth@redhat.com>
6491 * dbxout.c (dbxout_global_decl): New.
6492 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6493 * sdbout.c (sdbout_finish): New.
6494 (sdbout_debug_hooks): Use it, add comments.
6495 (sdbout_global_decl): Defer initialised public vars to
6497 * varasm.c (assemble_variable): Don't output debug information
6498 for file-scope variables.
6500 2001-07-22 Richard Henderson <rth@redhat.com>
6502 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6503 (get_round_mode_suffix): New.
6504 (print_operand): Use them for [/]. Remove support for [&'`()+].
6505 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6506 * config/alpha/alpha.md (attr round_suffix): New.
6507 (attr trap_suffix): New.
6508 (all insns): Set them appropriately. Use %/ instead of the
6511 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6513 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6515 2001-07-22 Richard Henderson <rth@redhat.com>
6517 * regrename.c (regrename_optimize): Compute nregs for each
6518 potential target register.
6520 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6521 Richard Henderson <rth@redhat.com>
6523 * dbxout.c (dbxout_global_decl): New.
6524 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6525 * sdbout.c (sdbout_finish): New.
6526 (sdbout_debug_hooks): Use it, add comments.
6527 (sdbout_global_decl): Defer initialised public vars to
6529 * varasm.c (assemble_variable): Don't output debug information
6530 for file-scope variables.
6532 2001-07-21 H.J. Lu (hjl@gnu.org)
6534 * config/mips/mips.c (mips_cpu): Moved into ...
6535 (override_options): Here.
6537 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6539 (mips_cpu): Removed.
6541 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6543 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6544 ("iorqi3"): Likewise.
6545 ("xorqi3"): Likewise.
6546 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6547 ("*subhi3_sp): Likewise.
6548 ("*subhi3"): Likewise.
6549 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6552 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6554 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6555 * config/freebsd.h: Likewise.
6556 * config/linux.h: Likewise.
6557 * config/openbsd.h: Likewise.
6558 * config/alpha/linux-elf.h: Likewise.
6559 * config/arm/linux-elf.h: Likewise.
6560 * config/d30v/d30v.h: Likewise.
6561 * config/fr30/fr30.h: Likewise.
6562 * config/ia64/aix.h: Likewise.
6563 * config/ia64/ia64.h: Likewise.
6564 * config/mips/linux.h: Likewise.
6565 * config/pj/pj.h: Likewise.
6566 * config/rs6000/linux.h: Likewise.
6567 * config/sparc/linux.h: Likewise.
6568 * config/sparc/linux64.h: Likewise.
6570 2001-07-20 Bruce Korb <bkorb@gnu.org>
6572 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6573 because getc() and char* may disagree on signedness.
6575 2001-07-20 Richard Henderson <rth@redhat.com>
6577 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6579 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6580 insns to delete in the presence of cc0 in a jump insn.
6582 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6583 Jan Hubicka <jh@suse.cz>
6585 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6586 of doing the change by hand.
6588 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6590 * rtlanal.c (set_noop_p): Return true for noop jumps.
6592 * expr.c (emit_single_push_insn): Add call to push expander.
6593 * expr.h (optab_index): Add OTI_push
6594 (push_optab): New constant.
6595 * genopinit.c (optabs): Add push_optab.
6596 * optabs.c (init_optab): Init push optab.
6597 * md.texi (push??1): Document
6599 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6601 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6602 expand to emit the pattern; put a REG_INC note for push/pop
6604 ("movdf", "movdf_internal"): Likewise.
6605 ("movsi", "movsi_internal"): Likewise.
6606 ("movsf", "movsf_internal"): Likewise.
6607 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6609 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6611 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6614 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6616 * params.def: Change default max inline insns to 100.
6618 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6620 * combine.c (combine_simplify_rtx): Generate a new shift operation
6621 when simplifying the first operand of a (neg (ashift)) expression.
6623 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6625 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6627 2001-07-20 Kelley Cook <kelley.cook@home.com>
6629 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6630 information. Move rest into ...
6631 (*-*-solaris): ... here. Eliminate redundant information and
6632 reword necessary packages section. Delete 4.x assembler bug info.
6633 (sparc-sun-*): Merge into ...
6634 (sparc-sun-sunos*): here.
6636 2001-07-20 Catherine Moore <clm@redhat.com>
6638 * config/v850/v850.md (casesi): Generate LABEL_REF
6641 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6643 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6644 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6645 * i386.md (strclrsi expander): Use it.
6647 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6649 * integrate.c (copy_insn_list): handle
6650 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6651 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6652 identically as to CODE_LABEL.
6654 * fold-const (fold): Convert A/B/C to A/(B*C) and
6657 * except.c (connect_post_landing_pads): Delete the RESX insns.
6659 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6661 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6663 * config/mips/mips.md (nmadd/nmsub): Use macro.
6665 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6667 * cppinit.c (remove_dup_dir): Make static.
6668 (remove_dup_dirs): Make static. Only warn about preempting a
6669 system directory with a non-system directory.
6671 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6673 * ifcvt.c (noce_try_store_flag_constants): Correct order
6674 of parameters to trunc_int_for_mode.
6676 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6678 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6679 an exception that will be caught within this function, do not fill
6680 its delay slot with any subsequent instruction.
6682 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6684 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6685 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6686 pointer extension instruction.
6687 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6688 * simplify-rtx.c (simplify_unary_operation) Likewise.
6689 * explow.c (convert_memory_address) Check value of
6690 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6692 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6693 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6694 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6695 Add Multilib Support.
6696 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6697 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6698 Add Multilib Support.
6699 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6701 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6702 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6703 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6705 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6707 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6708 old and new operands in `<', `3' and `b'.
6710 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6712 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6713 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6714 (toplev.o): Don't depend on xcoffout.h.
6715 * c-decl.c: Include debug.h
6716 (duplicate_decls): Use debug hook.
6717 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6718 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6719 (dbxout_types): Remove.
6720 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6721 * debug.c (do_nothing_debug_hooks): Update.
6722 (debug_true_tree, debug_nothing_rtx): New.
6723 * debug.h (struct rtx_def): New.
6724 (struct gcc_debug_hooks): New hooks ignore_block,
6725 outlining_inline_function and label.
6726 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6727 dwarf2out_frame_finish): New.
6728 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6729 Make static, update prototype.
6730 (dwarf2_debug_hooks): Update.
6731 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6732 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6733 * dwarfout.c (dwarf_debug_hooks): Update.
6734 * emit-rtl.c: Include debug.h.
6735 (remove_unnecessary_notes): Use debug hook.
6736 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6737 (final_scan_insn): Use debug hook.
6738 * integrate.c (output_inline_function): Use debug hook.
6739 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6740 (sdb_debug_hooks): Update.
6741 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6742 * toplev.c: Don't include xcoffout.h.
6743 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6744 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6746 * tree.h (dwarf2out_do_frame): Remove.
6748 2001-07-19 Catherine Moore <clm@cygnus.com>
6750 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6752 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6754 * reload1.c (eliminate_regs_in_insn): When updating a set
6755 to the frame pointer to the hardware frame pointer, perform
6756 the update always not just when REPLACE is set.
6758 * reload1.c (choose_reload_regs): Don't inherit a reload
6759 that crosses multiple registers if registers past the first
6760 don't fit in the desired class.
6762 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6763 when negating constants.
6765 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6767 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6768 * doc/tree.texi: Ditto.
6770 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6771 Jakub Jelinek <jakub@redhat.com>
6773 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6774 (extract_cie_info): Handle "eh" augmentation properly,
6776 (struct frame_state, __frame_state_for): New.
6778 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6780 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6781 HANDLE_SYSV_PRAGMA): Define.
6782 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6784 (copy_object): Caller changed.
6786 2001-07-19 Andreas Schwab <schwab@suse.de>
6788 * configure.in (assembler dwarf2 debug_line support): Define nop
6790 * configure: Regenerated.
6792 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6794 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6796 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6797 to conditionally compiled block.
6798 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6799 * dbxout.h (dbxout_function): Remove.
6800 * debug.c (do_nothing_debug_hooks): Update.
6801 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6802 global_decl, deferred_inline_function.
6803 * dwarf2out.c (dwarf2_debug_hooks): Update.
6804 (dwarf2out_global_decl): New.
6805 * dwarfout.c: Don't include dwarfout.h.
6806 (dwarfout_global_decl, dwarfout_function_decl,
6807 dwarfout_deferred_inline_function): New.
6808 (dwarf_debug_hooks): Update.
6809 * dwarfout.h: Remove.
6810 * final.c: Don't include dwarfout.h.
6811 * sdbout.c (sdbout_global_decl): New.
6812 (sdbout_debug_hooks): Update.
6813 * toplev.c: Don't include dwarfout.h.
6814 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6815 (note_deferral_of_defined_inline_function): Remove.
6816 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6817 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6818 * ch/lex.c: Don't include dwarfout.h.
6819 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6820 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6821 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6822 * cp/optimize.c: Include debug.h.
6823 (maybe_clone_body): Use debug hook.
6824 * cp/semantics.c: Include debug.h.
6825 (expand_body): Use debug hook.
6826 * po/POTFILES.in: Remove dwarfout.h.
6828 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6830 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6831 * c-parse.in (yyerror, _yylex): Similarly.
6832 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6833 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6835 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6836 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6838 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6840 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6841 in-class declaration at -g1. Fixes c++/2814.
6843 2001-07-18 Richard Henderson <rth@redhat.com>
6845 * doc/md.texi (reload_in/out): Document restrictions in predicates
6846 and constraints for these patterns. Document empty string matching
6849 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6851 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6853 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6855 * cse.c: Undo my previous patch.
6857 2001-07-18 Tom Tromey <tromey@redhat.com>
6860 * configure: Rebuilt.
6861 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6863 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6865 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6866 Jan Hubicka <jh@suse.cz>
6868 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6869 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6870 * jump.c (mark_jump_label): Do not forward branches.
6872 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6874 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6875 when return value is unused.
6877 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6879 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6881 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6883 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6884 on error. We can't blindly return the result of
6885 pthread_mutex_trylock because it returns a positive number on
6886 error, while we must return -1 on error.
6887 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6889 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6891 2001-07-18 Andreas Jaeger <aj@suse.de>
6893 * integrate.c (output_inline_function): Correct type of debug_hooks.
6895 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6897 * combine.c (combine_simplify_rtx): DIV can be treated
6898 associatively for floats if unsafe math optimisations are enabled.
6900 2001-07-17 Richard Henderson <rth@redhat.com>
6902 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6904 2001-07-17 Richard Henderson <rth@redhat.com>
6906 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6907 don't force the function address into a register.
6908 (expand_call, emit_library_call_value_1): Update callers.
6909 * builtins.c (expand_builtin_apply): Likewise.
6910 * expr.h (prepare_call_address): Update decl.
6912 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6914 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6916 * config/i386/chorus.h: Move up.
6917 * config/sparc/chorus.h: Likewise.
6918 * config/rs6000/chorus.h: Likewise.
6919 * config/chorus.h: Moved here.
6921 2001-07-17 Andreas Schwab <schwab@suse.de>
6923 * configure.in (assembler eh_frame optimization): Handle big
6925 * configure: Regenerated.
6927 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6929 * expr.c (epxand_expr): Convert divisions into multiplications by
6930 reciprocals if -ffast-math.
6932 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6934 * dbxout.c (dbxout_really_begin_function): Rename to
6935 dbxout_begin_function.
6936 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6937 (dbxout_begin_function): Remove.
6938 (dbxout_function): Update.
6939 (dbxout_source_line): Update prototype.
6940 * dbxout.h (dbxout_begin_function): Remove.
6941 * debug.c (do_nothing_debug_hooks): Update.
6942 (debug_nothing_tree): Update.
6943 (debug_nothing_charstar_rtx): Remove.
6944 * debug.h (union tree_node): Declare.
6945 (struct rtx_def): Remove.
6946 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6947 begin_function. Change source_line prototype.
6948 (debug_nothing_tree): New.
6949 (debug_nothing_charstar_rtx): Delete.
6950 (dwarf2out_begin_prologue): Moved from ...
6952 * dwarf2out.c (dwarf2_debug_hooks): Update.
6953 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6954 debug info, call dwarf2out_source_line.
6955 (dwarf2out_souce_line): Update prototype.
6956 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6957 Change prototype, make static.
6958 (dwarfout_source_line): Update prototype.
6959 (dwarf_debug_hooks): Update.
6960 * dwarfout.h (dwarfout_begin_function): Remove.
6961 * final.c (final_start_function, final_scan_insn): Use appropriate
6962 debug hooks, update to use notice_source_line.
6963 (output_source_line): Rename notice_source_line. Don't call the
6964 source_line debug hook.
6965 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6966 make static, update prototype.
6967 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6969 (sdbout_end_prologue): New.
6970 (sdbout_source_line): Update prototype.
6971 (sdbout_debug_hooks): Update.
6972 (sdbout_symbol): Remove unused var.
6973 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6975 * varasm.c: Include debug.h.
6976 (assemble_start_function): Use begin_function debug_hook.
6977 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6978 update with prototype.
6979 (xcoffout_source_line): Update prototype.
6980 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6982 (xcoffout_source_line): Update prototype.
6984 2001-07-17 Richard Henderson <rth@redhat.com>
6986 * c-typeck.c (build_binary_op): Do not shorten unsigned
6987 right shift after sign extension.
6989 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6991 * combine.c (combine_simplify_rtx): Attempt to simplify
6992 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6994 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6995 (simplify_binary_operation, simplify_unary_operation,
6996 simplify_relational_operation): Use it.
6998 * combine.c (combine_simplify_rtx): Don't do associative law
6999 on divisions; allow associative law on floats.
7001 2001-07-17 H.J. Lu <hjl@gnu.org>
7002 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7004 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7005 ASM_OUTPUT_WEAK_ALIAS are defined.
7006 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7007 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7009 * config/mips/iris5.h: ... here.
7010 (HANDLE_SYSV_PRAGMA): Defined as 1.
7011 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7012 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7015 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7017 * c-parse.in (all_prefix_attributes): New variable.
7018 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7019 (maybe_resetattrs): New production.
7020 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7021 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7022 notype_initdcl, nested_function, notype_nested_function,
7023 component_decl, components, components_notype,
7024 component_declarator, component_notype_declarator,
7025 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7026 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7027 after a comma being applied to more than one declarator.
7028 * doc/extend.texi (Attribute Syntax): Update. Remove
7029 documentation of bugs that are no longer present.
7031 2001-07-13 Eric Christopher <echristo@redhat.com>
7033 * config/mips/mips.h: Change TUNE_MIPS* options to use
7035 (EXTRA_SPECS): Add cc1_cpu_spec.
7036 * config/mips/mips.md (muldf3): Fix typo.
7038 2001-07-16 Richard Henderson <rth@redhat.com>
7040 * config/m68k/m68k.c: Include expr.h and reload.h.
7041 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7042 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7044 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7045 Richard Henderson <rth@redhat.com>
7047 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7048 (insn_live_p): Fix fall off end of function.
7049 (dead_libcall_p): Remove COUNTS argument; update callers.
7050 (delete_trivially_dead_insns): Remove unused variables.
7052 2001-07-17 Andreas Jaeger <aj@suse.de>
7054 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7057 * lcm.c (optimize_mode_switching): Avoid warning for unused
7058 variable if !NORMAL_MODE.
7060 * flow.c (try_crossjump_to_edge): Remove unused variable.
7062 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7064 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7065 atexit declaration in stdlib.h.
7067 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7069 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7071 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7073 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7074 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7075 do rebuild_jump_labels instead of jump_optimize
7076 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7077 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7078 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7080 * flow.c: Include timevar.h
7081 (find_basic_block): Push/pop timevar;
7082 (cleanup_cfg): Likewise.
7083 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7084 * Makefile: Add dependencies on timevar.h
7086 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7087 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7089 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7090 * toplev.c (rest_of_compilation): Update calls.
7091 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7092 (delete_trivially_dead_insns): ... here; accept new argument
7093 preserve_basic_blocks; preserve basic blocks if set.
7095 * reg-stack.c (stack_regs_mentioned): Return 0 if
7096 stack_regs_mentioned_data is not initialized.
7097 (reg_to_stack): Make stack_regs_mentioned survive after the
7098 reg-stack is completted; do not call cleanup_cfg.
7099 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7100 make cleanup_cfg after bb-reorder to output to debug file.
7102 2001-07-16 Richard Henderson <rth@redhat.com>
7104 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7105 from int_reg_class_contents.
7107 2001-07-16 Richard Henderson <rth@redhat.com>
7109 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7110 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7111 (init_reg_sets_1): Move initialization from cse_main.
7112 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7113 (cse_main): Move its initialization also.
7114 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7115 * flow.c (propagate_one_insn): Likewise.
7116 * gcse.c (compute_hash_table): Likewise.
7117 (compute_kill_rd, compute_store_table): Likewise.
7118 * sched-deps.c (sched_analyze_1): Likewise.
7120 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7122 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7125 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7127 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7128 in if statement so we don't access undefined memory.
7130 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7132 * gcse.c: Update comment at top.
7133 Update comment on mem handling.
7134 mem_last_set, mem_first_set, mem_set_in_block: gone.
7135 Declaration of reg_set_info: gone.
7136 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7137 pointless with load_killed_in_block_p (they are *more*
7138 conservative then it, not less, and less accurate).
7139 (oprs_not_set_p): Ditto.
7140 (alloc_gcse_mem): Don't allocate mem_set_in_block
7141 (free_gcse_mem): Don't free it, either.
7142 (record_last_mem_set_info): Update comment in front, remove
7143 mem_*set_* stuff. Note the reason we don't handle stores directly
7145 (compute_hash_table): Update comments to reflect reality. Remove
7146 mem_*set_* references.
7147 (reset_opr_set_tables): Remove mem_*set_* references.
7149 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7150 (mark_clobber): Ditto (on both parts, we double set here too).
7151 (expr_killed_p): Remove mem_set_in_block test.
7152 (compute_transp): Remove mem_set_in_block test.
7154 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7155 of edge, and removal of phi alternative to dump file.
7156 (ssa_ccp_substitute_constants): Add note about register now being
7157 constant, and which uses were replaced in what insns to dump file.
7159 2001-07-16 Andreas Jaeger <aj@suse.de>
7161 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7162 variables of type HOST_WIDEST_INT.
7164 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7165 (__bb_exit_func): Correct type of count_max to avoid overflow.
7166 (num_digits): Handle long long argument.
7168 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7170 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7172 * output.h (sdb_begin_function_line): Restore as an extern
7174 * sdbout.c (sdb_begin_function_line): Make extern.
7176 2001-07-15 Richard Henderson <rth@redhat.com>
7178 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7179 * genrecog.c (maybe_both_true_mode): New.
7180 (maybe_both_true_2): Use it.
7181 (write_switch): Don't put Pmode in a switch.
7182 * rtl.c (mode arrays): Don't explicitly size them.
7184 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7186 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7187 handling; move unconditional splitting before mode switching.
7189 * i386.md (type): Add fistp type.
7190 (i387, length_attr, scheduling definitions): Handle this type.
7191 (fix_trunc?f?i2): Revamp to use mode switching.
7192 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7193 * i386.h (fp_cw_mode): New enum
7194 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7195 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7197 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7199 * Makefile.in (integrate.o): Add debug.h.
7200 * integrate.c (debug.h): Add.
7201 (output_inline_function): Save, reset, and restore debug_hooks.
7203 2001-07-15 Richard Henderson <rth@redhat.com>
7205 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7206 instead of COMPARE for the EQUIV expression.
7208 2001-07-15 Richard Henderson <rth@redhat.com>
7210 * flow.c (redirect_edge_and_branch_force): Initialize
7211 global_live_at_start and global_live_at_end.
7212 (allocate_bb_life_data): Export.
7213 * basic-block.h (allocate_bb_life_data): Declare.
7214 * toplev.c (rest_of_compilation): Call it.
7216 2001-07-15 Richard Henderson <rth@redhat.com>
7218 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7219 (alpha_tablejump_best_label): New.
7220 * config/alpha/alpha-protos.h: Declare them.
7221 * config/alpha/alpha.md: Use braced strings for code blocks.
7222 (tablejump_osf): Break out add with r29.
7223 (tablejump_osf_internal): Remove.
7224 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7225 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7227 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7229 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7232 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7234 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7235 (ix86_fp_jump_nontrivial_p): New.
7236 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7237 use ix86_fp_jump_nontrivial_p.
7238 * i386.c (ix86_fp_jump_nontrivial_p): New.
7239 (ix86_split_fp_branch): Accept code instead of rtx.
7240 (ix86_expand_compare): Expand comparison early in case
7241 doing so is resonably cheap.
7243 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7245 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7247 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7248 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7250 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7252 * dbxout.c (dbxout_source_line): Make static, update prototype.
7253 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7254 (dbxout_init, dbxout_finish, dbxout_source_line,
7255 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7256 * dbxout.h (dbxout_source_line): Delete.
7257 * debug.c (debug_nothing_file, debug_nothing_file_int,
7258 debug_nothing_file_charstar_rtx): New.
7259 (do_nothing_debug_hooks): Update.
7260 (debug_nothing_void, debug_nothing_charstar_rtx,
7261 dwarf2out_end_epilogue): New.
7262 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7263 * debug.h (struct rtx_def): Declare.
7264 (gcc_debug_hooks): New hooks source_line, end_epilogue
7266 (debug_nothing_void, debug_nothing_charstar_rtx,
7267 dwarf2out_end_epilogue): New.
7268 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7269 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7270 (dwarf2_debug_hooks): Update.
7271 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7272 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7273 * dwarf2out.h (dwarf2out_source_line): Remove.
7274 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7275 Make static, update prototype.
7276 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7277 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7278 (dwarf_debug_hooks): Update.
7279 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7280 dwarfout_end_function): Remove.
7281 * final.c (profile_function): Use debug hooks for ending functions
7283 (output_source_line, final_end_function): Update prototype,
7285 (final_start_function, final_scan_insn): Update.
7286 * output.h (sdb_begin_function_line): Remove.
7287 (final_end_function): Update prototype.
7288 * sdbout.c (sdb_begin_function_line): Make static.
7289 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7290 (sdbout_source_line): New.
7291 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7293 (sdb_debug_hooks): Update.
7294 (sdbout_init, sdbout_source_line,
7295 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7296 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7297 * toplev.c (compile_file, rest_of_compilation): Update.
7298 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7299 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7300 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7301 Update for prototype changes.
7302 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7303 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7305 2001-07-15 Richard Henderson <rth@redhat.com>
7307 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7308 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7309 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7310 * config/alpha/alpha.c: Likewise.
7311 * config/alpha/alpha.md: Likewise.
7312 * config/alpha/alpha32.h: Likewise.
7313 * config/alpha/vms.h: Likewise.
7316 2001-07-14 Richard Henderson <rth@redhat.com>
7318 * config/alpha/alpha.md: Use define_constants for unspec values.
7319 Substitute throughout.
7321 2001-07-14 Tim Josling <tej@melbpc.org.au>
7323 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7325 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7327 * pa.md: Remove unused constraints from define_split's.
7329 2001-04-14 Richard Henderson <rth@redhat.com>
7331 * ifcvt.c (find_cond_trap): Test for exit block.
7333 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7335 Re-install recently reverted patch.
7336 * emit-rtl.c (try_split): Update mark_jump_label call.
7337 * flow.c (find_sub_basic_blocks): Likewise.
7338 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7340 (mark_all_labels): Kill second parameter.
7341 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7342 (rebuild_jump_labels, jump_optimize_minimal): Update call
7344 (jump_optimize_1): Kill crossjumping code.
7345 (mark_jump_label): Kill cross_jump parameter.
7346 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7347 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7348 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7350 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7352 (dump_file_info): Likewise.
7353 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7354 reorganize passes to do reg-stack first, bb-reorder second.
7355 * invoke.texi (-d letters doc): Remove the jump2 pass.
7357 2001-07-14 Richard Henderson <rth@redhat.com>
7359 * ifcvt.c (find_cond_trap): New.
7360 (find_if_header): Call it.
7361 (merge_if_block): Relax existing jump sanity check.
7362 * jump.c (jump_optimize_1): Remove conditional trap handling.
7364 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7366 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7368 (insn_refs_are_delayed): Correct comment.
7369 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7370 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7371 instead of r31. Make associated insn !TARGET_64BIT, and
7372 provide an additional 64-bit insn that clobbers r2.
7374 (udivsi3): Likewise.
7376 (umodsi3): Likewise.
7378 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7380 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7382 * flow.c (redirect_edge_and_branch_force, split_edge,
7383 try_crossjump_to_edge): Use set_block_for_new_insns.
7384 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7386 2001-07-13 H.J. Lu (hjl@gnu.org)
7388 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7391 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7393 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7395 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7397 * c-common.c (decl_attributes): Take a pointer to the node to
7398 which attributes are to be attached, and a flags argument.
7399 * c-common.h (enum attribute_flags): New.
7400 (decl_attributes): Update prototype.
7401 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7402 finish_enum, start_function): Update calls to decl_attributes.
7403 * c-parse.in (component_declarator, component_notype_declarator,
7404 label): Update calls to decl_attributes.
7406 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7408 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7409 * config/avr/avr.c (legitimate_address_p): Return value changed
7410 from letter to register classes. For better debugging.
7412 2001-07-13 Kazu Hirata <kazu@hxi.com>
7414 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7416 2001-07-13 H.J. Lu (hjl@gnu.org)
7418 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7420 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7422 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7423 correctly for shared configurations.
7424 * config/t-libgcc-pic: New.
7425 * config/{i386,m68k,sparc}/t-openbsd: New.
7426 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7427 Support -shared. Support debugging libraries with -g.
7428 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7429 frame information does not emit pointer diffs.
7430 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7433 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7435 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7437 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7439 * combine.c (try_combine): Ensure const_int pow2 is positive.
7441 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7443 * config.gcc: Add configuration for s/390.
7444 * config/s390/s390.c: New. Subroutines for code generation.
7445 * config/s390/s390.h: New. Definitions for s/390.
7446 * config/s390/s390-protos.h: New. Prototypes.
7447 * config/s390/linux.h: New. Definitions for linux for s/390.
7448 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7449 * config/s390/t-linux: New. Makefile fragment.
7450 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7451 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7453 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7455 * emit-rtl.c (try_split): Update mark_jump_label call.
7456 * flow.c (find_sub_basic_blocks): Likewise.
7457 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7459 (mark_all_labels): Kill second parameter.
7460 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7461 (rebuild_jump_labels, jump_optimize_minimal): Update call
7463 (jump_optimize_1): Kill crossjumping code.
7464 (mark_jump_label): Kill cross_jump parameter.
7465 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7466 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7467 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7469 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7471 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7472 reorganize passes to do reg-stack first, bb-reorder second.
7473 * invoke.texi (-d letters doc): Remove the jump2 pass.
7475 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7477 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7479 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7481 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7483 (verify_flow_info): Make diagnostics prettier.
7485 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7487 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7489 * flow.c (outgoing_edges_match): Return early if condition reversal
7492 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7494 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7495 (mips_move_2words): When splitting a move into two instructions,
7496 prefix the second address operand with '%D'.
7498 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7500 * Makefile.in (final.o): Depend on debug.h.
7501 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7502 (dbx_debug_hooks): Add new hooks.
7503 (xcoff_debug_hooks): New.
7504 * debug.c (debug_nothing_file_int_int): New.
7505 (do_nothing_debug_hooks): Update.
7506 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7507 (debug_nothing_file_int_int): New.
7508 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7509 static, update prototype.
7510 (dwarf2_debug_hooks): Update.
7511 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7512 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7513 static, update prototype.
7514 (dwarf_debug_hooks): Update.
7515 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7516 * final.c: Include debug.h.
7517 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7518 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7519 static, update prototype.
7520 (sdb_debug_hooks): Update.
7521 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7522 * toplev.c: Distinguish between xcoff and dbx.
7524 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7525 Call all debug hooks, not just dwarf ones.
7527 2001-07-11 Timothy Wall <twall@redhat.com>
7529 * config.gcc: Add configuration for AIX5/IA64.
7530 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7531 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7532 support prefix/suffix code.
7533 * config/ia64/t-aix: New. Makefile fragment.
7534 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7536 2001-07-11 Kazu Hirata <kazu@hxi.com>
7538 * recog.c (validate_change): Fix a comment typo.
7540 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7542 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7543 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7545 * dbxout.c (dbx_debug_hooks): Add new hooks.
7546 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7548 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7550 * dbxout.h (dbxout_start_new_source_file,
7551 dbxout_resume_previous_source_file): Delete.
7552 * debug.c (do_nothing_debug_hooks): Add new hooks.
7553 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7554 (debug_nothing_int_charstar, debug_nothing_int): New.
7555 * debug.h (gcc_debug_hooks): New hooks define, undef,
7556 start_source_file and end_source_file.
7557 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7558 (debug_nothing_int_charstar, debug_nothing_int): New.
7559 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7560 the conditionally compiled section.
7561 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7562 dwarf2out_define, dwarf2out_undef): Make static.
7563 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7564 dwarf2out_define, dwarf2out_undef): Remove.
7565 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7566 (dwarfout_start_source_file, dwarfout_end_source_file,
7567 dwarfout_define, dwarfout_undef): Make static.
7568 (dwarfout_start_source_file_check,
7569 dwarfout_end_source_file_check): New.
7570 (dwarfout_define, dwarfout_finish): Update.
7571 * dwarfout.h (dwarfout_start_new_source_file,
7572 dwarfout_resume_previous_source_file, dwarfout_define,
7573 dwarfout_undef): Remove.
7574 * sdbout.c (sdb_debug_hooks): Add new hooks.
7575 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7577 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7578 make static, take an arg.
7579 * sdbout.h (sdbout_start_new_source_file,
7580 sdbout_resume_previous_source_file): Delete.
7581 * toplev.c (debug_start_source_file, debug_end_source_file,
7582 debug_define, debug_undef): Delete.
7583 * toplev.h (debug_start_source_file, debug_end_source_file,
7584 debug_define, debug_undef): Delete.
7586 * java/jcf-parse.c: Include debug.h.
7587 (parse_class_file): Update to use debug hooks directly.
7588 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7590 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7592 * alias.c (set_mem_alias_set): New function.
7593 * rtl.h (set_mem_alias_set): Declare it.
7594 * builtins.c (expand_builtin_return_addr): Call it instead of
7595 using MEM_ALIAS_SET accessor.
7596 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7597 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7598 (expand_builtin_va_copy):Likewise.
7599 * caller-save.c (setup_save_areas): Likewise.
7600 * calls.c (compute_argument_addresses): Likewise.
7601 * explow.c (set_mem_attributes): Likewise.
7602 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7603 (expand_assignment, store_constructor_field, store_field): Likewise.
7604 (expand_expr_unaligned): Likewise.
7605 * function.c (assign_stack_temp_for_type): Likewise.
7606 (put_reg_into_stack, gen_mem_addressof): Likewise.
7607 * ifcvt.c (noce_try_cmove_arith): Likewise.
7608 * reload1.c (reload, alter_reg): Likewise.
7609 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7610 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7611 (alpha_expand_unaligned_store): Likewise
7612 (alpha_expand_unaligned_load_words): Likewise.
7613 (alpha_expand_unaligned_store_words): Likewise.
7614 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7615 (alpha_expand_epilogue): Likewise.
7616 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7617 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7618 * config/i386/i386.c (legitimize_pic_address): Likewise.
7619 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7620 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7621 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7622 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7623 * config/mips/mips.c (mips_va_arg): Likewise.
7624 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7625 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7626 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7627 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7628 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7629 (rs6000_emit_epilogue): Likewise.
7630 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7631 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7632 * config/v850/v850.c (v850_va_arg): Likewise.
7634 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7636 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7637 when fallthru edge is present.
7638 (mege_blocks): Handle case where creation of jump insn
7641 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7642 CLEANUP_POST_REGSTACK): New constants.
7643 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7644 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7645 * output.h (cleanup_cfg): Update prototype.
7646 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7647 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7648 cleanup_cfg call; kill missleading comment.
7649 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7650 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7651 parameter; control optimizations performed using it.
7652 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7653 try_crossjump_bb): New functions.
7655 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7657 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7659 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7660 pa_output_function_prologue.
7661 * pa-protos.h (pa_output_function_prologue): New prototype.
7663 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7665 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7666 and low to get correct sign extension in low+high test.
7668 2001-07-11 Janis Johnson <janis@us.ibm.com>
7670 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7671 for large hit count.
7673 * profile.c (branch_prob): Fix .bbg info for computed gotos
7676 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7678 * stmt.c (parse_output_constraint): New function, split out
7680 (expand_asm_operands): ... here. Use parse_output_constraint.
7681 * tree.h (parse_output_constraint): Declare it.
7683 2001-07-11 Richard Henderson <rth@redhat.com>
7685 * bitmap.c: Comment some functions; fiddle whitespace.
7686 (bitmap_free): Don't export.
7687 (bitmap_element_allocate): Use memset.
7688 * bitmap.h (bitmap_free): Don't declare.
7690 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7692 * gcse.c, lcm.c, sched-deps.c:
7693 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7695 * flow.c (flow_loops_find): Free dom if we found no loops, since
7696 we aren't going to save it.
7698 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7701 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7703 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7705 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7707 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7708 #ifndef DWARF2_DEBUGGING_INFO.
7710 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7712 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7714 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7716 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7717 reverse a branch if a NE comparison is implemented with GTU.
7719 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7720 H.J. Lu <hjl@gnu.org>
7722 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7724 (call_internal2): Likewise.
7725 (call_value_internal1): Likewise.
7726 (call_value_internal2): Likewise.
7727 (call_value_multiple_internal1): Likewise.
7728 (call_value_multiple_internal2): Likewise.
7730 2001-07-10 Kazu Hirata <kazu@hxi.com>
7732 * calls.c (emit_library_call_value_1): Fix a comment typo.
7733 * dwarf2out.c (mem_loc_descriptor): Likewise.
7734 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7736 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7738 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7740 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7742 * recog.c (offsettable_address_p): Handle LO_SUM case.
7743 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7744 instead of plus_constant.
7746 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7748 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7749 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7751 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7753 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7754 adjust_address_nv instead of plus_constant.
7756 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7758 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7759 dwarf2out.o): Depend on debug.h, wrap long lines.
7760 * dbxout.c: Include debug.h.
7761 (dbx_debug_hooks): New.
7762 (dbxout_init): Make static, take just 2 args.
7763 (dbxout_finish): Make static.
7764 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7765 * debug.c: New file.
7766 * debug.h: New file.
7767 * dwarf2out.c: Include debug.h.
7768 (dwarf2_debug_hooks): New.
7769 (dwarf2out_init): Make static.
7770 (dwarf2out_finish): Make static, take 2 args.
7771 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7772 * dwarfout.c: Include debug.h.
7773 (dwarf_debug_hooks): New.
7774 (dwarfout_init): Make static.
7775 (dwarfout_finish): Make static, take 2 args.
7776 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7777 * sdbout.c: Include debug.h.
7778 (sdb_debug_hooks): New.
7779 (sdbout_init): Make static, take 2 args.
7780 * sdbout.h (sdbout_init): Delete.
7781 * toplev.c: Include debug.h.
7783 (compile_file): Set deubg_hooks based on command line options.
7784 Use the hooks unconditionally rather than conditional compilation.
7786 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7788 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7789 first_insn_after_basic_block_note instead.
7791 * df.c (df_bb_refs_unlink): #if 0 out for now.
7793 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7795 * ssa.h: Add prototype for ssa_const_prop
7796 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7797 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7798 (ssa_fast_dce): Remove unused variable
7800 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7802 * diagnostic.c (finish_diagnostic): Rename to
7803 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7806 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7808 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7811 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7812 (dump_file): Only pad the demangled name with spaces if the
7813 mangled name was padded with spaces.
7815 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7817 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7820 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7822 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7823 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7826 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7827 whether can put offset inside LO_SUM to check mode alignment, not size.
7829 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7831 * doc/tm.texi (Misc): Fix thinko.
7833 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7835 * regmove.c (replace_in_call_usage): Fix warnings.
7836 * sched-deps.c (add_dependence): Fix warnings.
7837 * simplify-rtx.c (simplify_subreg): Likewise.
7838 Return NULL_RTX instead of NULL.
7840 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7841 (subst_asm_stack_regs): Likewise.
7843 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7846 * dwarf2out.c (output_call_frame_info): Declare i as int.
7847 (build_abbrev_table): Declare n_alloc as int.
7848 (dwarf2out_finish): Initialize die.
7849 * except.c: Declare sjlj_funcdef_number as unsigned.
7850 (connect_post_landing_pads): Declare j as unsigned.
7851 (convert_to_eh_region_ranges): Initialize call_site.
7852 (output_function_exception_table): Initialize tt_format_size.
7853 * expr.c (move_by_pieces_1): Initialize to1.
7854 (store_constructor): Initialize minelt and maxelt.
7855 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7856 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7858 * c-decl.c (combine_parm_decls): Unused, remove.
7859 * c-tree.h: Remove prototype for combine_parm_decls.
7861 * reload.c (push_reload): Fix warning.
7862 (regno_clobbered_p): Likewise.
7863 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7864 (reload_combine): Likewise.
7866 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7867 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7869 * bitmap.c (bitmap_operation): Change user.
7870 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7872 2001-07-10 Eric Christopher <echristo@redhat.com>
7874 * config/mips/mips.c (override_options): Fix typo.
7876 2001-07-09 Stan Shebs <shebs@apple.com>
7878 * target.h (struct gcc_target): New fields init_builtins and
7880 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7881 (TARGET_EXPAND_BUILTIN): New macro.
7882 (TARGET_INITIALIZER): Add them.
7883 * builtins.c: Include target.h.
7884 (expand_builtin): Use targetm.expand_builtin.
7885 (default_init_builtins): New function.
7886 (default_expand_builtin): New function.
7887 * expr.h (default_init_builtins): Declare.
7888 (default_expand_builtin): Declare.
7889 * c-common.c (c_common_nodes_and_builtins): Use
7890 targetm.init_builtins.
7891 * defaults.h (MD_INIT_BUILTINS): Remove.
7892 * Makefile.in (builtins.o): Depend on target.h.
7894 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7895 (TARGET_EXPAND_BUILTIN): Define.
7896 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7897 (MD_EXPAND_BUILTIN): Remove.
7899 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7900 (TARGET_EXPAND_BUILTIN): Define.
7901 (c4x_init_builtins): Make endlink arg a local.
7902 (c4x_print_operand): Fix typos in adjust_address usages.
7903 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7904 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7905 (MD_EXPAND_BUILTIN): Remove.
7907 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7908 (TARGET_EXPAND_BUILTIN): Define.
7909 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7910 (ix86_init_builtins): Call new function only if TARGET_MMX.
7911 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7912 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7913 (MD_EXPAND_BUILTIN): Remove.
7915 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7916 (TARGET_EXPAND_BUILTIN): Define.
7917 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7918 (MD_EXPAND_BUILTIN): Remove.
7920 * doc/tm.texi: Document these changes.
7922 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7924 * basic-block.h (tree_node): Forward declare if needed.
7925 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7926 (BLOCK_HEAD_TREE): Define.
7927 (BLOCK_END_TREE): Define.
7928 (struct loops): Rename field 'tree' to 'tree_root'.
7929 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7931 (flow_loops_tree_build): Rename reference to field 'tree' to
7933 (flow_loops_level_compute): Ditto.
7934 * predict.c (estimate_bb_frequencies): Ditto.
7935 * tree.h (struct tree_common): Add field 'aux'.
7937 2001-07-09 Stan Shebs <shebs@apple.com>
7939 * config/darwin.c (darwin_encode_section_info): Don't mark any
7940 DECL_EXTERNAL node as defined.
7942 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7944 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7945 pa_free_machine_status, hppa_init_pic_save): Delete.
7946 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7947 (hppa_profile_hook): Use hppa_pic_save_rtx.
7948 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7949 hppa_init_pic_save): Delete.
7950 (hppa_pic_save_rtx): Declare.
7951 * pa.md (call, call_value, sibcall, sibcall_value,
7952 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7954 2001-07-09 Kazu Hirata <kazu@hxi.com>
7956 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7957 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7959 2001-07-09 Andreas Jaeger <aj@suse.de>
7961 * output.h: Add declaration of final_forward_branch_p.
7963 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7965 * varray.c: Include errors.h for internal_error and trim_filename
7968 * Makefile.in (varray.o): Add errors.h.
7970 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7972 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7973 * optabs.c (have_add2_insn): Check whether the add insn chosen
7974 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7975 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7977 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7979 * Makefile.in (OBJS): Add ssa-ccp.o
7980 (ssa-ccp.o): Add dependencies.
7981 * toplev.c (DFI_ssa_ccp): New dump file enum.
7982 (dump_file): Add entry for dumping after SSA CCP.
7983 (flag_ssa_ccp): New flag variable.
7984 (f_options): Add -fssa-ccp.
7985 (rest_of_compilation): Run SSA CCP if requested.
7986 * timevar.def (TV_SSA_CCP): New timevar.
7987 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7988 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7989 Fix minor typo in SSA DCE documentation.
7990 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7991 Add documentation for new dump option. Renumber dump files
7994 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7996 * emit-rtl.c (gen_highpart_mode): New.
7997 * rtl.h (gen_highpart_mode): Declare.
7998 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7999 operand can be VOIDmode constant.
8001 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8003 * flow.c (redirect_edge_and_branch_force): New.
8004 (can_fallthru): Ensure that basic blocks are succeeding.
8005 (try_optimize_cfg): Do not delete basic block if it is the last one.
8007 * flow.c (try_redirect_by_replacing_jump): Do not remove
8008 jumps with side effects, unlink chain on fallthru edge;
8009 set block for new jump instruction; avoid basic block to
8010 over by line number note.
8012 * flow.c (try_simplify_condjump): Verify that the condjump
8013 is not always falling trought.
8016 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8018 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8019 (try_redirect_by_replacing_jump): Update properly the count
8020 and frequency information.
8022 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8024 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8025 address that is a LO_SUM specially.
8026 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8028 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8030 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8031 (operand_subword): Use them.
8032 (change_address_1): Renamed from change_address; new arg VALIDATE.
8033 * expr.h: Reflect above changes; change_address now macro.
8034 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8036 * cselib.c (add_mem_for_addr): Likewise.
8037 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8038 * regmove.c (try_apply_stack_adjustment): Likewise.
8039 * reload.c (push_reload, make_memloc): Likewise.
8040 * reload1.c (eliminate_regs): Likewise.
8041 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8042 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8044 * combine.c (make_extraction, simplify_shift_const): Likewise.
8045 (gen_lowpart_for_combine): Likewise.
8046 * cse.c (gen_lowpart_if_possible): Likewise.
8047 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8048 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8049 * optabs.c (gen_move_insn): Likewise.
8050 * reload1.c (alter_reg): Likewise.
8051 * simplify-rtx.c (simplify_subreg): Likewise.
8052 * stmt.c (expand_anon_union_decl): Likewise.
8053 * recog.c (validate_replace_rtx_1): Likewise.
8055 * Makefile.in (recog.o): Add $(EXPR_H).
8056 * explow.c (stabilize): Call replace_equiv_address.
8057 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8058 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8060 2001-07-03 Andrew Haley <aph@redhat.com>
8062 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8063 the mode of the memory location.
8065 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8067 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8069 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8071 * final.c (output_addr_const): Use target opening and
8072 closing parentheses.
8073 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8074 defaults, add to TARGET_ASM_OUT.
8075 * target.h (struct gcc_target): Add open_paren and close_paren.
8076 * doc/md.texi: Update.
8077 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8078 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8079 TARGET_ASM_CLOSE_PAREN.
8080 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8082 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8084 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8085 * config/a29k/a29k.h: Similarly.
8086 * config/alpha/alpha.h: Similarly.
8087 * config/arc/arc.h: Similarly.
8088 * config/arm/aof.h: Similarly.
8089 * config/arm/aout.h: Similarly.
8090 * config/avr/avr.h: Similarly.
8091 * config/c4x/c4x.h: Similarly.
8092 * config/clipper/clipper.h: Similarly.
8093 * config/convex/convex.h: Similarly.
8094 * config/d30v/d30v.h: Similarly.
8095 * config/dsp16xx/dsp16xx.h: Similarly.
8096 * config/elxsi/elxsi.h: Similarly.
8097 * config/fr30/fr30.h: Similarly.
8098 * config/h8300/h8300.h: Similarly.
8099 * config/i370/i370.h: Similarly.
8100 * config/i386/i386.h: Similarly.
8101 * config/i860/i860.h: Similarly.
8102 * config/i960/i960.h: Similarly.
8103 * config/ia64/ia64.h: Similarly.
8104 * config/m32r/m32r.h: Similarly.
8105 * config/m68hc11/m68hc11.h: Similarly.
8106 * config/m68k/m68k.h: Similarly.
8107 * config/m88k/m88k.h: Similarly.
8108 * config/mcore/mcore.h: Similarly.
8109 * config/mips/mips.h: Similarly.
8110 * config/mn10200/mn10200.h: Similarly.
8111 * config/mn10300/mn10300.h: Similarly.
8112 * config/ns32k/ns32k.h: Similarly.
8113 * config/pa/pa.h: Similarly.
8114 * config/pdp11/pdp11.h: Similarly.
8115 * config/pj/pj.h: Similarly.
8116 * config/romp/romp.h: Similarly.
8117 * config/rs6000/rs6000.h: Similarly.
8118 * config/sh/sh.h: Similarly.
8119 * config/sparc/sparc.h: Similarly.
8120 * config/v850/v850.h: Similarly.
8121 * config/vax/vax.h: Similarly.
8122 * config/we32k/we32k.h: Similarly.
8124 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8126 * doc/c-tree.texi: Document representation of attributes.
8128 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8130 * doc/tm.texi: Update some places for the rename of target to
8133 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8135 * target.h (struct gcc_target): Add insert_attributes.
8136 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8137 (TARGET_INITIALIZER): Update.
8138 * tree.c, tree.h (default_insert_attributes): New function.
8139 Update comments on other default functions to refer to targetm,
8141 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8142 TARGET_INSERT_ATTRIBUTES.
8143 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8144 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8145 Don't use PRAGMA_INSERT_ATTRIBUTES.
8146 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8147 * c-decl.c (start_decl, start_function): Don't call
8148 SET_DEFAULT_DECL_ATTRIBUTES.
8149 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8150 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8152 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8153 (c4x_check_attribute): Avoid modifying attribute list itself.
8154 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8156 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8157 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8159 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8160 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8162 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8163 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8165 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8166 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8167 Adjust parameters. Make static.
8169 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8171 * c-common.c (decl_attributes): Only take a single attributes
8173 * c-common.h (decl_attributes): Update prototype.
8174 * c-decl.c (start_decl, start_function): Only take a single
8175 attributes parameter. Update calls to decl_attributes.
8176 (finish_struct, finish_enum): Update calls to decl_attributes.
8177 (push_parm_decl): Expect unified list of attributes. Update call
8179 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8180 notype_nested_function, component_declarator,
8181 component_notype_declarator, label): Update calls to
8183 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8184 lists that are passed to push_parm_decl.
8185 * c-tree.h (start_function, start_decl): Update prototypes.
8186 * config/sh/sh-protos.h, config/sh/sh.c
8187 (sh_pragma_insert_attributes): Only take a single attributes
8189 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8190 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8191 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8192 build_module_descriptor, generate_static_references,
8193 generate_strings, build_selector_translation_table,
8194 generate_descriptor_table, generate_protocols,
8195 generate_ivars_list, generate_dispatch_table,
8196 generate_protocol_list, generate_category,
8197 generate_shared_structures, really_start_method, add_objc_decls,
8198 generate_classref_translation_entry): Update calls to start_decl
8200 (build_tmp_function_decl, start_method_def): Unify attribute lists
8201 that are passed to push_parm_decl.
8203 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8205 * final.c (no_asm_to_stream): New.
8206 (final_scan_insn): Use target structures for prologue ends
8207 and epilogue starts.
8208 * output.h (no_asm_to_stream): New.
8209 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8210 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8211 (TARGET_ASM_OUT): Update.
8212 * target.h (struct gcc_target): New members function_end_prologue
8213 and function_begin_epilogue.
8214 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8215 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8216 * config/alpha/alpha.c (output_end_prologue): Rename to
8217 alpha_output_function_end_prologue. Use in target struct
8219 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8220 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8221 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8222 ia64_output_function_end_prologue. Use in target struct
8224 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8225 mistyped prototypes.
8226 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8227 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8229 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8230 an use in target struct, make static.
8231 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8234 2001-07-08 Richard Henderson <rth@redhat.com>
8236 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8238 2001-07-08 Richard Henderson <rth@redhat.com>
8240 * config/i386/i386.md: Remove constraints strings from define_split
8241 and define_peephole2 patterns.
8242 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8243 (eh_return): Use them.
8245 2001-07-08 Richard Henderson <rth@redhat.com>
8247 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8248 Document MD_FALLBACK_FRAME_STATE_FOR.
8250 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8252 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8253 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8255 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8257 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8259 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8260 of the label inside NAME as opposed to just the end of NAME.
8262 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8264 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8265 * config/alpha/alpha.c (alpha_init_machine_status,
8266 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8267 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8268 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8269 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8271 2001-07-06 Stan Shebs <shebs@apple.com>
8273 * target.h (targetm): Rename global from "target", so as not to
8274 conflict with local variables.
8276 * c-typeck.c: Ditto.
8280 * cp/decl2.c: Ditto.
8281 * cp/typeck.c: Ditto.
8282 * 1750a/1750a.c: Ditto.
8283 * a29k/a29k.c: Ditto.
8287 * clipper/clipper.c: Ditto.
8288 * convex/convex.c: Ditto.
8289 * d30v/d30v.c: Ditto.
8290 * dsp16xx/dsp16xx.c: Ditto.
8291 * elxsi/elxsi.c: Ditto.
8292 * fr30/fr30.c: Ditto.
8293 * h8300/h8300.c: Ditto.
8294 * i370/i370.c: Ditto.
8295 * i386/i386.c: Ditto.
8296 * i860/i860.c: Ditto.
8297 * i960/i960.c: Ditto.
8298 * ia64/ia64.c: Ditto.
8299 * m32r/m32r.c: Ditto.
8300 * m68hc11/m68hc11.c: Ditto.
8301 * m68k/m68k.c: Ditto.
8302 * m88k/m88k.c: Ditto.
8303 * mips/mips.c: Ditto.
8304 * ns32k/ns32k.c: Ditto.
8306 * pdp11/pdp11.c: Ditto.
8307 * romp/romp.c: Ditto.
8308 * rs6000/rs6000.c: Ditto.
8310 * sparc/sparc.c: Ditto.
8312 * we32k/we32k.c: Ditto.
8313 * doc/tm.texi: Update the manual to match.
8315 2001-07-06 Richard Henderson <rth@redhat.com>
8317 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8318 DWARF2_UNWIND_INFO not just whether it is defined.
8320 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8322 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8323 call to simplify_binary_operation returns a new pattern.
8325 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8327 * glimits.h (__SHRT_MAX__): New.
8328 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8329 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8331 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8333 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8336 2001-07-06 Richard Henderson <rth@redhat.com>
8338 * bitmap.c (bitmap_release_memory): Move adjacent to the
8339 allocation functions.
8340 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8341 the implementation. Binary search for the set bit.
8342 (bitmap_union_of_diff): Allocate the temporary on the stack
8343 instead of using xmalloc.
8345 2001-07-06 Richard Henderson <rth@redhat.com>
8347 * genrecog.c (validate_pattern): Warn for constraints in
8348 define_{expand,split,peephole2}. Remove strict_low_part
8349 before looking up match_dup.
8351 2001-07-06 DJ Delorie <dj@redhat.com>
8353 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8354 chapter about various build hints and history. Add section
8355 talking about the various types of native and cross builds.
8357 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8359 * Makefile.in (final.o): Depend on target.h.
8360 * final.c: Include target.h.
8361 (default_function_pro_epilogue): New.
8362 (final_start_function): Use target structure for function prologues.
8363 (final_end_function): Use target structure for function epilogues.
8364 * fold-const.c (real_hex_to_f): Constify s and p.
8365 * output.h (default_function_pro_epilogue): New.
8366 * real.h (real_hex_to_f): Update prototype.
8367 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8368 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8369 (TARGET_INITIALIZER): Update.
8370 * target.h (gcc_target): Add struct asm_out.
8371 * doc/tm.texi: Update.
8374 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8375 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8376 in cpu/cpu.c, or rename old functions consistently. Take
8377 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8378 redundant macros and prototypes. Make new functions static.
8380 * 1750a/1750a.c: Similarly.
8381 * 1750a/1750a.h: Similarly.
8382 * a29k/a29k-protos.h: Similarly.
8383 * a29k/a29k.c: Similarly.
8384 * a29k/a29k.h: Similarly.
8385 * arc/arc-protos.h: Similarly.
8386 * arc/arc.c: Similarly.
8387 * arc/arc.h: Similarly.
8388 * arm/arm-protos.h: Similarly.
8389 * arm/arm.c: Similarly.
8390 * arm/arm.h: Similarly.
8391 * avr/avr-protos.h: Similarly.
8392 * avr/avr.c: Similarly.
8393 * avr/avr.h: Similarly.
8394 * clipper/clipper-protos.h: Similarly.
8395 * clipper/clipper.c: Similarly.
8396 * clipper/clipper.h: Similarly.
8397 * convex/convex.c: Similarly.
8398 * convex/convex.h: Similarly.
8399 * d30v/d30v-protos.h: Similarly.
8400 * d30v/d30v.c: Similarly.
8401 * d30v/d30v.h: Similarly.
8402 * d30v/d30v.md: Similarly.
8403 * dsp16xx/dsp16xx-protos.h: Similarly.
8404 * dsp16xx/dsp16xx.c: Similarly.
8405 * dsp16xx/dsp16xx.h: Similarly.
8406 * elxsi/elxsi.c: Similarly.
8407 * elxsi/elxsi.h: Similarly.
8408 * fr30/fr30.c: Similarly.
8409 * fr30/fr30.md: Similarly.
8410 * h8300/h8300-protos.h: Similarly.
8411 * h8300/h8300.c: Similarly.
8412 * h8300/h8300.h: Similarly.
8413 * i370/i370-protos.h: Similarly.
8414 * i370/i370.c: Similarly.
8415 * i370/i370.h: Similarly.
8416 * i386/i386.c: Similarly.
8417 * i386/osf1elf.h: Similarly.
8418 * i386/osfrose.h: Similarly.
8419 * i860/i860-protos.h: Similarly.
8420 * i860/i860.c: Similarly.
8421 * i860/i860.h: Similarly.
8422 * i960/i960-protos.h: Similarly.
8423 * i960/i960.c: Similarly.
8424 * i960/i960.h: Similarly.
8425 * ia64/ia64-protos.h: Similarly.
8426 * ia64/ia64.c: Similarly.
8427 * ia64/ia64.h: Similarly.
8428 * m32r/m32r-protos.h: Similarly.
8429 * m32r/m32r.c: Similarly.
8430 * m32r/m32r.h: Similarly.
8431 * m68hc11/m68hc11-protos.h: Similarly.
8432 * m68hc11/m68hc11.c: Similarly.
8433 * m68hc11/m68hc11.h: Similarly.
8434 * m68k/crds.h: Similarly.
8435 * m68k/dpx2.h: Similarly.
8436 * m68k/m68k-protos.h: Similarly.
8437 * m68k/m68k.c: Similarly.
8438 * m68k/m68k.h: Similarly.
8439 * m68k/news.h: Similarly.
8440 * m88k/m88k-protos.h: Similarly.
8441 * m88k/m88k.c: Similarly.
8442 * m88k/m88k.h: Similarly.
8443 * mips/mips-protos.h: Similarly.
8444 * mips/mips.c: Similarly.
8445 * mips/mips.h: Similarly.
8446 * ns32k/merlin.h: Similarly.
8447 * ns32k/ns32k.c: Similarly.
8448 * ns32k/ns32k.h: Similarly.
8449 * ns32k/tek6000.h: Similarly.
8450 * pa/pa-protos.h: Similarly.
8451 * pa/pa.c: Similarly.
8452 * pa/pa.h: Similarly.
8453 * pdp11/2bsd.h: Similarly.
8454 * pdp11/pdp11-protos.h: Similarly.
8455 * pdp11/pdp11.c: Similarly.
8456 * pdp11/pdp11.h: Similarly.
8457 * romp/romp-protos.h: Similarly.
8458 * romp/romp.c: Similarly.
8459 * romp/romp.h: Similarly.
8460 * rs6000/rs6000-protos.h: Similarly.
8461 * rs6000/rs6000.c: Similarly.
8462 * rs6000/rs6000.h: Similarly.
8463 * rs6000/sysv4.h: Similarly.
8464 * sh/sh-protos.h: Similarly.
8465 * sh/sh.c: Similarly.
8466 * sh/sh.h: Similarly.
8467 * sparc/sparc-protos.h: Similarly.
8468 * sparc/sparc.c: Similarly.
8469 * sparc/sparc.h: Similarly.
8470 * vax/vax.c: Similarly.
8471 * vax/vax.h: Similarly.
8472 * vax/vms.h: Similarly.
8473 * we32k/we32k.c: Similarly.
8474 * we32k/we32k.h: Similarly.
8476 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8478 * basic-block.h (first_insn_after_basic_block_note): Declare.
8479 * flow.c (first_insn_after_basic_block_note): Define. Moved
8481 * ssa.c (first_insn_after_basic_block_note): Remove.
8482 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8484 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8485 nodes when we find a dead conditional branch. Insert BARRIERs
8486 after any blocks with no successors, but which do not have
8489 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8491 * varray.c (varray_check_failed): Use internal_error.
8493 2001-07-05 Andrew Haley <aph@redhat.com>
8495 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8496 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8497 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8499 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8501 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8502 reference if the target constant is also a SYMBOL_REF.
8504 2001-07-05 Eric Christopher <echristo@redhat.com>
8506 * config/mips/mips.h (MASK_MIPS3900): Remove.
8507 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8508 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8509 (TARGET_MIPS3900): Change to use mips_arch.
8510 (TARGET_MIPS4000): New.
8511 (TARGET_MIPS4100): New.
8512 (TARGET_MIPS4300): New.
8513 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8514 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8516 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8517 (ISA_HAS_BRANCHLIKELY): To here.
8518 (CC1_CPU_SPEC): New.
8519 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8520 (mips_arch_string): Declare.
8521 (mips_arch): Declare.
8522 (TARGET_OPTIONS): Add -march and -mtune.
8524 * config/mips/mips.c (mips_arch_string): New.
8526 (override_options): Handle -march for codegen and -mtune
8527 for scheduling. Use mips_arch. Move tx39 target default here.
8528 (mips_parse_cpu): Move error message to override_options.
8530 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8532 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8534 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8535 (MIPS Options): Ditto. Change mcpu entry to historical text.
8537 2001-07-05 H.J. Lu (hjl@gnu.org)
8539 * config/mips/mips.c (mips_parse_cpu): New function to parse
8542 2001-07-05 Jim Wilson <wilson@redhat.com>
8544 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8545 * config/ia64/t-ia64: Likewise.
8546 (LIB1ASMFUNCS): Update comment.
8548 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8550 * doc/install.texi (Install GCC: Binaries): Fix typo.
8552 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8554 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8555 reference using the stack pointer, adjust it since we push Y
8557 ("*ashrsi3"): Likewise.
8558 ("*lshrsi3"): Likewise.
8560 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8562 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8563 when -fomit-frame-pointer is used.
8565 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8567 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8568 (try_redirect_by_replacing_jump): Reverse updating properly the
8569 count and frequency information. Reverse removing cc0 setter.
8570 (forwarder_block_p): Reverse fixing for fallthru blocks.
8572 2001-07-05 DJ Delorie <dj@redhat.com>
8574 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8575 (translate_options): If the above is defined, use it to map
8576 given options to new options.
8577 * doc/tm.texi: Document it.
8579 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8580 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8582 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8583 cause programs using computed gotos to run more slowly.
8585 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8587 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8589 Consistently require binutils 2.11.2, not prereleases.
8590 (Specific, decstation-*): Canonicalize as mips-dec-*.
8591 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8593 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8594 (Specific, mips-*): Reword MIPS C compiler requirements.
8595 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8596 (Specific, sunv5): Removed, obsolete.
8598 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8600 * dwarf2out.c (output_loc_list): Use an all ones mask for
8601 .text asm output and don't rely on long long
8602 literals. Reformat some long lines.
8604 2001-07-05 Andreas Jaeger <aj@suse.de>
8606 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8609 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8611 * dwarf2out.c (dwarf2out_define): Update comment.
8612 (dwarf2out_undef): Ditto.
8613 (dwarf2out_start_source_file): Ditto.
8614 (dwarf2out_end_source_file): Ditto.
8615 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8616 since we never call the start/end debug hook for the primary file.
8618 2001-07-04 Kazu Hirata <kazu@hxi.com>
8620 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8623 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8625 * cppinit.c (remove_dup_dirs): Inform if a system include
8626 directory is being reordered.
8627 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8629 * doc/cpp.texi (Search Paths): Likewise.
8630 * doc/gcc.texi (Interoperation): Remove information about
8633 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8635 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8636 (VARRAY_TOP_CHAR_PTR): Likewise.
8638 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8640 * gcc.c (process_command): Don't assign elements of a const char*.
8642 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8644 * emit-rtl.c (change_address): Don't abort if invalid address while
8645 reload is in progress.
8647 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8649 * c-lex.c (cb_file_change): Pass line number to
8650 debug_start_source_file.
8651 (cb_undefine): Pass correct line number to debug_undef.
8653 * toplev.c (debug_start_source_file): Add line number to
8654 parameters. Pass it along to dwarf2out_start_source_file.
8655 (decode_g_option): Stop resetting debug level back to normal when
8656 we change debug formats, unless the current level is
8657 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8660 * toplev.h (debug_start_source_file): Add line number to
8663 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8666 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8668 Output debug_macinfo data for starting file if requested.
8669 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8671 (dwarf2out_define): Output debug_macinfo data for defining a macro
8673 (dwarf2out_undef): Output debug_macinfo data for undefining a
8675 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8676 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8677 (macinfo_section_label): New. DWARF2 macro info section label.
8678 (dwarf2out_init): If we want macro info, output the start label
8680 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8681 attribute to the compilation unit die pointing to the macro info.
8683 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8685 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8686 DWARF2_DEBUGGING_INFO.
8687 (add_loc_descr_to_loc_list): Ditto.
8688 (output_loc_list): Ditto.
8689 Also, fix thinko in curr not being initialized.
8690 (gen_internal_sym): Ditto.
8692 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8694 * emit-rtl.c (replace_equiv_address): New function.
8695 * expr.h (replace_equiv_address): New declaration.
8696 * explow.c (validize_mem): Call it instead of change_address and
8697 also call if -fforce-addr and address is constant.
8698 * expr.c: Replace more calls to change_address with adjust_address
8699 and/or replace_equiv_address or to validize_mem.
8700 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8701 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8702 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8703 * config/i370/i370.md, config/i860/i860.md: Likewise.
8704 * config/i960/i960.md, config/mips/mips.c: Likewise.
8705 * config/mips/mips.md, config/pa/pa.md: Likewise.
8706 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8707 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8709 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8711 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8713 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8716 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8718 * doc/include: New directory.
8719 * doc/fdl.texi: Move to doc/include/fdl.texi.
8720 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8721 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8722 * doc/gcc.texi: Use funding.texi and gpl.texi.
8723 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8724 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8725 Update dependencies and use -I $(docdir)/include.
8727 2001-07-04 Anthony Green <green@redhat.com>
8729 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8731 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8733 * doc/install.texi (sparc64-*-*): Remove garbage.
8735 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8737 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8738 Fix typo in last change to use adjust_address.
8740 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8742 * doc/install.texi (Specific): Update information for *-*-solaris*.
8744 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8746 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8748 2001-07-03 Stan Shebs <shebs@apple.com>
8750 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8751 case for flag_no_mach_text_sections.
8752 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8753 * config/darwin.c (flag_no_mach_text_sections): Remove.
8754 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8756 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8758 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8759 and avoid checking for constant as first operand.
8760 * recog.c (find_constant_term_loc): No longer static.
8761 (adj_offettable_operand): Delete.
8762 * rtl.h (adj_offsettable_operand): Delete declaration.
8763 (find_constant_term): Add declaration.
8764 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8766 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8767 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8768 * config/i386/i386.c, config/i386/i386.md: Likewise.
8769 * config/i860/i860.c, config/i960/i960.c: Likewise.
8770 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8771 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8772 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8773 * config/mips/mips.c, config/mips/mips.md: Likewise.
8774 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8775 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8776 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8777 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8778 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8779 * config/ns32k/ns32k.md: Likewise.
8781 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8783 * rtl.c (copy_rtx): Handle 'T' format letter.
8784 * gensupport.c (collect_insn_data): Likewise.
8785 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8787 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8789 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8790 -B option. Use 'dir' not 'foo' as example directory name.
8792 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8794 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8795 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8797 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8799 * doc/cppinternals.texi: Improve formatting and logical markup.
8801 2001-07-03 Andreas Jaeger <aj@suse.de>
8803 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8805 * genrecog.c (write_header): Include reload.h for prototypes in
8808 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8811 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8812 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8813 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8814 i386_pe_valid_type_attribute_p): Add.
8815 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8816 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8818 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8820 * explow.c (plus_constant_wide, case LO_SUM): New case.
8821 (plus_constant_for_output_wide): Delete.
8822 * rtl.h (plus_constant_for_output): Delete.
8823 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8824 instead of plus_constant_for_output.
8825 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8826 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8827 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8828 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8829 * config/sparc/sparc.md: Likewise.
8830 Convert some change_address calls to adjust_address.
8832 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8834 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8835 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8836 documentation of -std and -Wwrite-strings.
8838 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8840 * cse.c (canon_hash): Don't register registers in very small
8841 register classes, as extending their lifetime might cause
8844 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8846 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8848 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8849 (try_redirect_by_replacing_jump): Update properly the count
8850 and frequency information.
8852 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8854 * toplev.c (dump_file_index): Move SSA dumps just after first
8856 (dump_file): Corresponding changes.
8857 (rest_of_compilation): Move SSA path to just after the first
8859 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8860 * doc/invoke.texi: Update dump file #s as they were completely
8861 out of date with reality.
8863 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8865 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8867 * expr.c (emit_move_insn_1): Deal with non-default
8870 * expr.c (emit_single_push_insn): Fix warning.
8872 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8874 * expr.c (emit_move_insn_1): Avoid modifying
8875 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8877 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8879 * emit-rtl.c (adjust_address): New function.
8880 * expr.h (adjust_address): Add declaration.
8881 * builtins.c: Replace some calls to change_address with calls to it
8883 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8884 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8885 * config/arm/arm.c, config/convex/convex.c: Likewise.
8886 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8887 * config/i386/i386.c, config/i386/i386.md: Likewise.
8888 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8889 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8890 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8891 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8892 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8894 2001-07-02 Jim Wilson <wilson@redhat.com>
8896 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8898 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8900 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8901 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8903 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8905 * cppinit.c (lang_defaults): New table.
8906 (set_lang): Just read from lang_defaults into the live options
8909 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8911 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8912 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8913 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8915 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8917 * doc/install.texi: Various spelling and markup fixes.
8918 (Installing GCC): Component specific installation instructions are
8921 Warn about removing old install dir in the presence of shared libs.
8922 (Configuration): Invoke with options target to match configure
8924 Consistently refer to gas, gld pathnames.
8925 Invert --enable-multilib documentation.
8926 Remove references to old compiler versions.
8928 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8930 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8932 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8934 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8936 (Specific, mips*-sgi-irix5): Note IDO download.
8937 Reworded MIPS C hints.
8938 Use GNU as instead of GAS.
8940 Removed SGI Freeware reference, IRIX 6 only.
8941 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8942 Note N64 library requirement/workaround.
8944 Complete list of structure passing bug victims.
8946 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8948 * doc/install.texi: Remove CVS Id.
8950 2001-07-02 Andreas Jaeger <aj@suse.de>
8952 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8953 (find_inherently_necessary): Remove unused variable.
8955 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8957 * c-common.h (TDI_inlined): New ast dump phase.
8958 (dump_flag_name): New function.
8959 * c-dump.c (dump_files): Add inlined phase.
8960 (dump_flag_name): Define.
8961 * doc/invoke.texi (-fdump-ast-inlined): Document.
8963 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8965 * stor-layout.c (layout_decl): Revert change to handling of alignment
8968 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8970 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8973 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8975 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8978 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8980 * tlink.c (recompile_files): Remove COMPILER_PATH and
8981 LIBRARY_PATH from the environment.
8983 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8985 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8986 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8988 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8990 * c-parse.in (OBJC_STRING): Kill.
8991 (objc_string): Decompose to [objc_string] '@' STRING.
8992 (reswords): Take the leading '@' off all the Objective C keywords.
8993 (objc_rid_sans_at): Kill.
8994 (init_reswords): Don't initialize it.
8995 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8996 (_yylex): Kill reconsider label. Look ahead one token after
8997 an '@'; if we get an identifier, check whether it's an
8998 Objective C @-keyword. If so, return the keyword. Otherwise,
8999 put back the token and return the '@' as a terminal.
9001 * cpplib.c (lex_macro_node): Remove unnecessary check for
9002 leading '@' on identifier. Clarify control flow and commentary.
9004 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9006 * cse.c (new_label_ref): Variable deleted.
9007 (insert): Remove set of new_label_ref.
9008 (check_for_label_ref): New function.
9009 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9011 See ChangeLog.5 for earlier changes.