1 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-format.c (init_function_format_info): Check __builtin_printf
4 and __builtin_fprintf even if -ffreestanding. Check C99 functions
7 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9 * c-common.c (format_attribute_table): Remove decl.
10 * tree.h (format_attribute_table, lang_attribute_table): New decls.
11 (lang_attribute_common): Likewise.
13 * function.c (fix_lexical_address): Use set_mem_alias_set.
14 (expand_function_start): Likewise.
15 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
17 * varasm.c (output_constant): Fix unused variable warning.
19 * attribs.c: New file, from c-common.c.
20 (attribute_tables): Now four elements.
21 (format_attribute_table, lang_attribute_common): New variables.
22 (init_attributes): Reflect above changes.
23 (handle_mode_attribute): Delete check for wider than uintmax.
24 * c-common.c: Delete parts moved to attribs.c.
25 (enum attrs): Deleted; unused.
26 (c_format_attribute_table): New variable.
27 (c_common_lang_init): Initialize format_attribute_table with it.
28 * c-common.h (decl_attributes): Remove decl.
29 * tree.h (decl_attribute): Move it to here.
30 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
31 (attribs.o): New rule.
33 2001-09-22 Andreas Jaeger <aj@suse.de>
35 * builtins.c (c_getstr): Remove unused variable.
37 2001-09-21 Richard Henderson <rth@redhat.com>
39 * reload1.c (reload): Use delete_insn instead of splatting
42 2001-09-21 Richard Henderson <rth@redhat.com>
44 * reload.c (push_secondary_reload): Don't check for "=" in output
45 constraint after ""->ALL_REGS check.
47 2001-09-21 Richard Henderson <rth@redhat.com>
49 * predict.c (expected_value_to_br_prob): Use pc_set.
51 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
52 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
54 2001-09-21 Richard Henderson <rth@redhat.com>
56 * rtl.h (LCT_RETURNS_TWICE): New.
57 * calls.c (emit_call_1): Set current_function_calls_setjmp for
59 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
61 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
64 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
66 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
69 2001-09-21 Richard Henderson <rth@redhat.com>
71 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
74 2001-09-21 Richard Henderson <rth@redhat.com>
76 * tree.def (FDESC_EXPR): New.
77 * expr.c (expand_expr): Handle it.
78 * varasm.c (initializer_constant_valid_p): Likewise.
79 (output_constant): Likewise.
80 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
81 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
82 (ASM_OUTPUT_FDESC): New.
83 * doc/tm.texi: Document the new macros.
85 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
87 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
88 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
89 once merging is complete.
91 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
93 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
95 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
97 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
98 that would be invalid after a merge.
100 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
102 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
103 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
105 (flow_delete_insn): This one.
106 (delete_insn_chain): Rename from ...; do not care labels.
107 (flow_delete_insn_chain): ... this one.
108 (flow_delete_block): Remove the insns one BB has been expunged.
109 (merge_blocks_nomove): Likewise.
110 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
111 updating BB boundaries.
112 (tidy_fallthru_edge): Likewise.
113 (commit_one_edge_insertion): Likewise.
114 * cfgbuild.c (find_basic_block): Likewise.
115 (find_basic_blocks_1): Likewise.
116 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
117 (try_crossjump_to_edge): Likewise.
118 (try_optimize_cfg): Likewise.
119 * cse.c (delete_trivially_dead_insns): Likewise.
120 * df.c (df_insn_delete): Likewise.
121 * doloop.c (doloop_modify): Use delete_related_insns.
122 * emit-rtl.c (try_split): Likewise.
123 (remove_insn): Update BB boundaries.
124 * expect.c (connect_post_landing_pads): Use delete_related_insns.
125 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
126 updating BB boundaries.
127 (propagate_block_delete_insn): Likewise.
128 (propagate_block_delete_libcall): Likewise.
129 * function.c (delete_handlers): Use delete_related_insns.
130 (thread_prologue_and_epilogue_insns): Likewise.
131 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
132 * genpeep.c (gen_peephole): Use delete_related_insns.
133 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
135 (find_cond_trap): Likewise.
136 * integrate.c (save_for_inline): Use delete_related_insns.
137 (copy_insn_list): Likewise.
138 * jump.c (pruge_linie_number_notes): Likewise.
139 (duplicate_loop_exit_test): Likewise.
140 (delete_computation): Likewise.
141 (delete_related_insn): Rename from ...; use delete_insn
142 (delete_insn): ... this one.
143 (redirect_jump): Use delete_related_insns.
144 * loop.c (scan_loop): Likewise.
145 (move_movables): Likewise.
146 (find_and_verify_loops): Likewise.
147 (check_dbra_loop): Likewise.
148 * recog.c (peephole2_optimize): Likewise.
149 * reg-stack.c (delete_insn_for_stacker): Remove.
150 (move_for_stack_reg): Use delete_insn.
151 * regmove.c (combine_stack_adjustments_for_block): Likewise.
152 * reload1.c (delete_address_reloads): Use delete_related_insns.
153 (fixup_abnormal_edges): Use delete_insn.
154 * recog.c (emit_delay_sequence): Use delete_related_insns.
155 (delete_from-delay_slot): Likewise.
156 (delete_scheduled_jump): likewise.
157 (optimize_skip): Likewise.
158 (try_merge_delay_insns): Likewise.
159 (full_simple_delay_slots): Likewise.
160 (fill_slots_from_thread): Likewise.
161 (relax_delay_slots): Likewise.
162 (make_return_insns): Likewise.
163 (dbr_schedule): Likewise.
164 * rtl.h (delete_insn): Rename to delete_related_insns.
165 (delete_insn, delete_insn_chain): New prototypes.
166 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
167 by df_insn_delete already.
168 * ssa-dce.c (delete_insn_bb): Use delete_insn.
169 * ssa.c (convert_from_ssa): Use delete_related_insns.
170 * unroll.c (unroll_loop): Likewise.
171 (calculate_giv_inc): Likewise.
172 (copy_loop_body): Likewise.
174 * i386-protos.h (ix86_libcall_value, ix86_function_value,
175 ix86_function_arg_regno_p, ix86_function_arg_boundary,
176 ix86_return_in_memory, ix86_function_value): Declare.
177 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
178 new static valurables.
179 (x86_64_reg_class): New enum
180 (x86_64_reg_class_name): New array.
181 (classify_argument, examine_argument, construct_container,
182 merge_classes): New static functions.
183 (optimization_options): Enable flag_omit_frame_pointer and disable
184 flag_pcc_struct_return on 64bit.
185 (ix86_libcall_value, ix86_function_value,
186 ix86_function_arg_regno_p, ix86_function_arg_boundary,
187 ix86_return_in_memory, ix86_function_value): New global functions.
188 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
189 (function_arg_advance): Handle x86_64 passing conventions.
190 (function_arg): Likewise.
191 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
192 (RETURN_IN_MEMORY): Move offline.
193 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
194 (FUNCTION_VALUE_REGNO_P): New macro.
195 (FUNCTION_ARG_REGNO_P): Move offline.
196 (struct ix86_args): Add maybe_vaarg.
197 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
198 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
200 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
202 * s390.md: Changed attributes for scheduling.
203 * s390.c: (s390_adjust_cost, s390_adjust_priority)
206 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
208 Table-driven attributes.
209 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
210 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
211 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
212 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
213 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
214 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
215 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
216 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
217 * tree.h (struct tree_decl): Change machine_attributes to
219 * doc/c-tree.texi: Document that all attributes are now attached
221 * c-common.c (add_attribute, attrtab, attrtab_idx,
222 default_valid_lang_attribute, valid_lang_attribute): Remove.
223 (attribute_tables, attributes_initialized,
224 c_common_attribute_table, default_lang_attribute_table): New
226 (handle_packed_attribute, handle_nocommon_attribute,
227 handle_common_attribute, handle_noreturn_attribute,
228 handle_unused_attribute, handle_const_attribute,
229 handle_transparent_union_attribute, handle_constructor_attribute,
230 handle_destructor_attribute, handle_mode_attribute,
231 handle_section_attribute, handle_aligned_attribute,
232 handle_weak_attribute, handle_alias_attribute,
233 handle_no_instrument_function_attribute,
234 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
235 handle_no_limit_stack_attribute, handle_pure_attribute): New
237 (init_attributes, decl_attributes): Rewrite to implement
238 table-driven attributes.
239 * c-common.h (enum attribute_flags): Move to tree.h.
240 * c-format.c (decl_handle_format_attribute,
241 decl_handle_format_arg_attribute): Rename to
242 handle_format_attribute and handle_format_arg_attribute. Update
243 for table-driven attributes.
244 * c-common.h (decl_handle_format_attribute,
245 decl_handle_format_arg_attribute): Remove prototypes.
246 (handle_format_attribute, handle_format_arg_attribute): Add
248 * c-decl.c (grokdeclarator): Handle attributes nested inside
250 * c-parse.in (setattrs, maybe_setattrs): Remove.
251 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
252 Update to handle nested attributes properly.
253 (maybe_resetattrs, after_type_declarator,
254 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
255 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
257 (make_pointer_declarator): Update to handle nested attributes
259 * doc/extend.texi: Update documentation of limits of attributes
260 syntax. Warn about problems with attribute semantics in C++.
261 * target.h (struct target): Remove valid_decl_attribute and
262 valid_type_attribute. Add attribute_table and
263 function_attribute_inlinable_p.
264 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
265 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
266 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
268 (TARGET_INITIALIZER): Update.
269 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
271 (function_attribute_inlinable_p): New function. Check for the
272 presence of any machine attributes before using
273 targetm.function_attribute_inlinable_p.
274 (function_cannot_inline_p): Update.
275 * Makefile.in (integrate.o): Update dependencies.
276 * doc/tm.texi: Update documentation of target attributes and
277 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
278 * tree.c (default_valid_attribute_p, valid_machine_attribute):
280 (default_target_attribute_table,
281 default_function_attribute_inlinable_p): New.
282 (lookup_attribute): Update comment to clarify handling of multiple
283 attributes with the same name.
284 (merge_attributes, attribute_list_contained): Allow multiple
285 attributes with the same name but different arguments to appear in
286 the same attribute list.
287 * tree.h (default_valid_attribute_p): Remove prototype.
288 (struct attribute_spec): New.
289 (default_target_attribute_table): Declare.
290 (enum attribute_flags): Move from c-common.h. Add
291 ATTR_FLAG_TYPE_IN_PLACE.
292 (default_function_attribute_inlinable_p): Declare.
293 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
294 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
295 (TARGET_ATTRIBUTE_TABLE): Define.
296 (vms_attribute_table): New.
297 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
298 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
299 (TARGET_ATTRIBUTE_TABLE): Define.
300 (arc_attribute_table, arc_handle_interrupt_attribute): New.
301 * config/arm/arm.c (arm_valid_type_attribute_p,
302 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
304 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
306 (TARGET_ATTRIBUTE_TABLE): Define.
307 (arm_attribute_table, arm_handle_fndecl_attribute,
308 arm_handle_isr_attribute): New.
309 * config/avr/avr.c (avr_valid_type_attribute,
310 avr_valid_decl_attribute): Remove.
311 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
313 (TARGET_ATTRIBUTE_TABLE): Define.
314 (avr_attribute_table, avr_handle_progmem_attribute,
315 avr_handle_fndecl_attribute): New.
316 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
317 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
318 (TARGET_ATTRIBUTE_TABLE): Define.
319 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
320 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
321 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
322 (TARGET_ATTRIBUTE_TABLE): Define.
323 (h8300_attribute_table, h8300_handle_fndecl_attribute,
324 h8300_handle_eightbit_data_attribute,
325 h8300_handle_tiny_data_attribute): New.
326 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
327 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
329 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
331 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
332 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
334 (TARGET_ATTRIBUTE_TABLE): Define.
335 (ix86_attribute_table, ix86_handle_cdecl_attribute,
336 ix86_handle_regparm_attribute): New.
337 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
338 i386_pe_valid_type_attribute_p): Remove.
339 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
340 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
341 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
342 (TARGET_ATTRIBUTE_TABLE): Define.
343 (ia64_attribute_table): New.
344 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
345 interrupt_ident2, model_ident1, model_ident2): Remove.
346 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
347 (TARGET_ATTRIBUTE_TABLE): Define.
348 (init_idents): Update.
349 (m32r_attribute_table, m32r_handle_model_attribute): New.
350 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
352 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
353 (TARGET_ATTRIBUTE_TABLE): Define.
354 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
355 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
356 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
357 (TARGET_ATTRIBUTE_TABLE): Define.
358 (mcore_attribute_table, mcore_handle_naked_attribute): New.
359 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
360 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
361 (TARGET_ATTRIBUTE_TABLE): Define.
362 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
363 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
364 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
365 (TARGET_ATTRIBUTE_TABLE): Define.
366 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
367 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
368 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
369 (TARGET_ATTRIBUTE_TABLE): Define.
370 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
371 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
373 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
375 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
376 (TARGET_ATTRIBUTE_TABLE): Define.
377 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
379 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
380 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
381 (TARGET_ATTRIBUTE_TABLE): Define.
382 (v850_attribute_table, v850_handle_interrupt_attribute,
383 v850_handle_data_area_attribute): New.
384 * config/v850/v850-c.c (mark_current_function_as_interrupt):
385 Return void. Call decl_attributes instead of
386 valid_machine_attribute.
388 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
390 * sh-protos.h (sh_pr_n_sets): Declare.
391 * sh.c (calc_live_regs): If the initial value for PR has been copied,
392 look at the copy to determine if PR needs to be saved.
393 sh_pr_n_sets: New function.
394 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
395 (ALLOCATE_INITIAL_VALUE): Define.
397 * sh.c (initial_elimination_offset):
398 Fix RETURN_ADDRESS_POINTER_REGNUM case.
400 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
402 * integrate.c (allocate_initial_values): New function.
403 * integrate.h (allocate_initial_values): Declare.
404 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
406 * reload1.c (reload): And initialization of reg_equiv_memory_loc
408 * toplev.c (rest_of_compilation): To here.
409 Call allocate_initial_values.
410 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
412 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
414 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
416 2001-09-20 DJ Delorie <dj@redhat.com>
418 * c-typeck.c (really_start_incremental_init): Discriminate
419 between zero-length arrays and flexible arrays.
420 (push_init_level): Detect zero-length arrays and handle them
421 like fixed-sized arrays.
422 * expr.c (store_constructor): Handle zero-length arrays and
423 flexible arrays correctly.
424 * doc/extend.texi: Update zero-length array notes.
426 2001-09-20 Jim Wilson <wilson@redhat.com>
428 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
429 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
430 for issue port conflicts.
431 (cycle_end_fill_slots): TYPE_L instructions take two slots.
433 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
435 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
438 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
440 * fold-const.c (hashtab.h): Include.
441 (int_const_binop): Remove FORSIZE arg and compute from type; all
443 Call size_int_type_wide for all single-word constants.
444 (size_htab_hash, size_htab_eq): New functions.
445 (size_int_type_wide): Rework to use hash table.
446 * ggc-common.c (hashtab.h): Include.
447 (struct d_htab_root): New struct.
448 (d_htab_roots): New variable.
449 (ggc_add_deletable_htab, ggc_htab_delete): New functions
450 (ggc_mark_roots): Handle deletable htabs.
451 * ggc-page.c (ggc_marked_p): New function.
452 * ggc-simple.c (ggc_marked_p): Likewise.
453 * ggc.h: Reformatting throughout.
454 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
455 * tree.c (init_obstacks): Make type_hash_table a deletable root.
456 (type_hash_add): Allocate struct type_hash from GC memory.
457 (mark_hash_entry, mark_type_hash): Deleted.
458 (type_hash_marked_p, type_hash_mark): New functions.
459 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
461 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
463 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
466 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
468 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
469 array-too-large test for signed sizetype.
471 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
473 * i386.md (indirect_jump): Allow Pmode operand.
474 (tablejump): LIkewise; perform expansion to 64bit mode.
475 * i386.c (symbolic_operand): Allow 64bit PIC references.
476 (pic_symbolic_operand): Likewise.
477 (ix86_find_base_term): Strip the 64bit PIC references.
478 (legitimate_pic_address_disp_p): Handle 64bit PIC.
479 (legitimize_pic_address): Likewise.
480 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
481 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
483 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
485 * stringpool.c (get_identifier_with_length): New function.
486 * tree.h (get_identifier_with_length): New prototype.
488 2001-09-19 Alan Modra <amodra@bigpond.net.au>
489 David Edelsohn <edelsohn@gnu.org>
492 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
493 already sign-extended.
495 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
496 * config/rs6000/rs6000.c (logical_operand): Always compare op as
498 (rs6000_emit_set_long_const): Avoid unnecessary shift.
499 (output_profile_hook): Declare label_name const.
500 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
501 to match constraints.
503 2001-09-19 Stan Shebs <shebs@apple.com>
505 * alias.c: Fix typos in comments.
506 * sched-rgn.c (init_ready_list): Ditto.
507 * unwind-dw2.c (uw_frame_state_for): Ditto.
508 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
509 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
510 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
512 2001-09-19 Richard Henderson <rth@redhat.com>
514 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
516 * Makefile.in (cfg.o): Depend on TM_P_H.
518 2001-09-19 Richard Henderson <rth@redhat.com>
520 * config/alpha/alpha.c (local_symbol_p): Split out from ...
521 (local_symbolic_operand): ... here.
522 (small_symbolic_operand): Check mode.
523 (global_symbolic_operand): New.
524 (input_operand): Reject symbolics if explicit relocs.
525 (call_operand): Tidy.
526 (alpha_legitimize_address): Use movdi_er_high_g.
527 (alpha_expand_mov): Likewise.
528 * config/alpha/alpha-protos.h: Update.
529 * config/alpha/alpha.h (PREDICATE_CODES): Update.
530 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
531 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
532 (UNSPECV_LDGP2): Remove.
533 (all call patterns): Use 's' not 'i' for symbolic constraint.
534 (call_osf call_value_osf): Use call_operand.
535 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
536 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
537 (prologue_ldgp_1_er): Remove.
538 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
539 (builtin_setjmp_receiver_er patterns): Use them.
540 (exception_receiver_er): Likewise.
542 2001-09-19 Richard Henderson <rth@redhat.com>
544 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
546 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
547 and NON_LOCAL_GOTO notes.
548 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
549 copy over CALL_INSN_FUNCTION_USAGE.
551 2001-09-18 Catherine Moore <clm@redhat.com>
553 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
556 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
558 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
559 new-style tm_file specification. Specify correct tm_p_file,
560 md_file, and out_file for s390x.
562 * config/s390/linux.h, linux64.h: Don't include other target
563 macro header files. Now handled via tm_file.
565 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
566 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
567 are defined before use.
569 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
571 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
572 code generation only for Gnu assembler.
574 2001-09-18 Catherine Moore <clm@redhat.com>
576 * config/stormy16 (LIB_SPEC): Remove -lnosys.
578 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
580 * config/mips/mips.c (mips_frame_set): New.
581 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
582 a parallel frame-related expression with a set for each register.
584 2001-09-18 Philip Blundell <philb@gnu.org>
586 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
589 2001-09-17 Dale Johannesen <dalej@apple.com>
591 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
592 * config/rs6000/aix.h (FIXED_R2): Define.
593 * config/rs6000/darwin.h (FIXED_R2): Define.
594 * config/rs6000/sysv4.h (FIXED_R2): Define.
596 2001-09-17 Jeff Sturm <jsturm@one-point.com>
598 * except.c (dw2_build_landing_pads): New local
599 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
600 barrier after clobbers. Fixes c++/4012.
602 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
604 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
606 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
608 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
609 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
611 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
613 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
616 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
618 * cpphash.h (_cpp_lex_direct): New.
619 * cpplex.c (_cpp_lex_token): Update.
620 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
621 and increment that pointer.
622 * cppmacro.c (alloc_expansion_token): New.
623 (lex_expansion_token): Lex macro expansion directly into
626 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
628 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
630 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
632 * basic-block.h (free_bb_for_insn): Declare.
633 * bb-reorder.c (label_for_bb): Use block_label.
634 (emit_jump_to_block_after): Remove.
635 (insert_intra_1): Do not update block_for_insn.
636 (insert_inter_bb_scope_notes): Likewise; update bb->end
637 * cfg.c (free_bb_for_insn): New.
638 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
639 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
640 (commit_one_edge_insertion): Likewise.
641 (commit_one_edge_insertion): Do not update BB boundary.
642 (commit_edge_insertions): Do not call compute_bb_for_insn.
643 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
644 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
645 (merge_blocks_move_successor_nojumps): Likewise.
646 (try_crossjump_to_edge): Do not update block_for_insn.
647 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
648 * df.c (df_pattern_emit_later): Do not update BB boundary.
649 (df_jump_pattern_emit_after): Likewise.
650 (df_insn_move_before): Use emit_insn_before.
651 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
653 (add_insn_after, add_insn_before, emit_insns_after): Update BB
654 boundaries and basic_block_for_insn.
655 (reorder_insns_nobb): Rename from reorder_insns.
656 (reorder_insns): New.
657 (emit_block_insn_before, emit_block_insn_after): Kill.
658 * flow.c (check_function_return_warnings): Do not call
659 compute_bb_for_insn; Do not free basic_block_for_insn.
660 (attempt_auto_inc): Do not update basic_block_for_insn.
661 * function.c (emit_return_into_block): Likewise;
662 do not update BB boundaries.
663 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
664 (insert_insn_end_bb): Use emit_insn_before; Likewise.
665 (pre_insert_copy_insn): Likewise.
666 (update_ld_motion_notes): Likewise.
667 (insert_insn_start_bb): Likewise.
668 (replace_store_insn): Likewise.
669 * ifcvt.c (noce_process_if_block): Likewise.
670 (if_convert): Do not call compute_bb_for_insn.
671 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
672 Use emit_insn_before and emit_insn_after.
673 * recog.c (split_all_insns): Do not update BB boundaries;
674 Do not call compute_bb_for_insn.
675 (peephole2_optimize): Do not update BB boundaries.
676 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
678 (emit_swap_insn): Likewise.
679 (convert_regs_1): Likewise.
680 * reload1.c (reload): Call compute_bb_for_insn.
681 * rtl.h (reorder_insns_nobb): Declare.
682 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
683 * toplev.c (rest_of_compilation): Call free_bb_for_insn
684 at places CFG is invalidated; do not call compute_bb_for_insn.
686 * cfg.c (expunge_block): Invalidate BB structure.
688 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
691 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
693 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
695 * cpphash.h (_cpp_lex_token): Update prototype.
696 * cpplex.c (_cpp_lex_token): New prototype.
697 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
698 lex_macro_node, read_flag, do_pragma_poison): Update.
699 * cppmacro.c (cpp_get_token, parse_params,
700 lex_expansion_token): Update.
702 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
704 * cppmain.c (scan_translation_unit): Don't worry about
705 putting a space after hashes.
706 * cpplib.c (directive_diagnostics): New.
707 (_cpp_handle_directive): Update to use directive_diagnostics.
708 (run_directive): Don't toggle prevent_expansion.
709 (do_line): Backup in case of the line extension.
710 * cpplib.h (cpp_lexer_pos): Remove.
711 * cppmacro.c (_cpp_create_definition): Precede a leading #
714 2001-09-15 Richard Henderson <rth@redhat.com>
716 * c-typeck.c (comptypes): Handle zero-length arrays properly.
718 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
720 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
722 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
725 * tradcpp.c (handle_directive): Skip non-vertical space.
727 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
729 * cppmain.c (setup_callbacks): Set line callback only
730 if outputting preprocessed source.
732 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
734 * collect2.c (main): Const-ification.
735 * gcc.c (translate_options, process_command): Use xstrdup in
736 lieu of xmalloc/strcpy.
737 (main): Use concat in lieu of xmalloc/strcpy/strcat.
739 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
741 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
744 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
746 * scan-decls.c (scan_decls): Fix typo.
748 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
750 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
751 Split mlstring_pos into mls_line and mls_col.
752 * cppinit.c (cpp_create_reader): Initialize line to 1.
753 (cpp_destroy): Free tokenruns.
754 (push_include): Don't update lexer_pos.
755 * cpplex.c (unterminated, parse_string): Update.
756 (lex_token): Don't update lexer_pos, update.
757 * cpplib.c (if_stack): Save line instead of line + col.
758 (start_directive, _cpp_do__Pragma, do_else, do_elif,
759 push_conditional, _cpp_pop_buffer): Update.
760 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
761 (_cpp_create_definition): Update.
763 2001-09-15 Eric Christopher <echristo@redhat.com>
765 * config/mips/abi64.h: Add support for MEABI.
767 2001-09-15 Eric Christopher <echristo@redhat.com>
769 * config/mips/mips.md: Add unspec #2.
771 (reload_outdi): Ditto.
772 (reload_outsi): Ditto.
775 2001-09-15 Eric Christopher <echristo@redhat.com>
776 Jason Eckhardt <jle@redhat.com>
778 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
779 * config/mips/isa32-linux.h: New file.
780 * config/mips/isa3264.h: Ditto.
781 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
782 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
783 (output_block_mode): Support MEABI.
784 (function_arg): Ditto. Fix floating point arg passing.
785 (mips_va_start): Ditto.
786 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
788 (mips_asm_file_start): Add new section to pass abi to gdb.
789 (function_arg_pass_by_reference): Support MEABI.
790 (mips_parse_cpu): Support mips32 and mips64 processors.
791 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
792 TARGET_MIPS5KC. Support isa32 and isa64.
793 (processor_type): Add r4kc, r5kc, r20kc.
794 (GENERATE_MULT3_SI): New.
795 (GENERATE_MULT3_DI): Ditto.
796 (GENERATE_MULT3): Remove.
797 (ISA_HAS_64BIT_REGS): Add isa == 64.
798 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
799 (ISA_HAS_MADD_MSUB): New.
800 (ISA_HAS_CLZ_CLO): Ditto.
801 (ISA_HAS_DCLZ_DCLO): Ditto.
802 (ABI_GAS_ASM_SPEC): New.
803 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
806 (SUBTARGET_CC1_SPEC): Ditto.
807 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
808 (PAD_VARARGS_DOWN): Support MEABI.
809 (HARD_REGNO_NREGS): Move to mips.c.
810 (ASM_OUTPUT_IDENT): Add #undef.
811 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
812 (mulsi3): Use GENERATE_MULT3_SI.
813 (mulsi3_mult3): Ditto. Support mips32, mips64.
814 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
815 (mul_sub_si): New pattern.
816 (unnamed splitters): New.
817 (muldi3): Use GENERATE_MULT3_DI.
818 (muldi3_internal2): Ditto.
819 (movdicc): Support mips32.
820 * config/mips/t-isa3264: New file.
822 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
824 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
825 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
826 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
828 * reorg.c (fill_slots_from_thread): After call to
829 steal_delay_list_from_target, update own_thread as new_thread may
832 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
834 * cpperror.c (print_location): Take line and column, for
835 default positioning use the previously lexed token.
836 (_cpp_begin_message): Take line and column.
837 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
838 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
839 * cpphash.h (_cpp_begin_message): Update prototype.
840 * cppinit.c (push_include): Don't set output line.
841 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
842 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
843 (do_pragma): Kludge for front ends. Don't expand macros at all.
844 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
845 (struct cpp_token): Remove output_line.
846 (struct cpp_callbacks): New member line_change.
847 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
848 cpp_get_token): Preserve BOL flag.
849 (cpp_get_line): Remove.
850 (_cpp_backup_tokens): Remove useless abort().
851 * cppmain.c (cb_line_change): New.
852 (scan_translation_unit): Don't worry about starting new lines here.
853 * scan-decls.c (scan_decls): Update.
854 * c-lex.c (c_lex, init_c_lex): Update.
855 (cb_line_change, src_lineno): New.
857 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
859 * tree.c (append_random_chars): Generate the random
860 characters in a reproducable fashion.
862 2001-09-14 Richard Henderson <rth@redhat.com>
864 * config/i386/i386.c (internal_label_prefix): New.
865 (internal_label_prefix_len): New.
866 (override_options): Set them.
867 (local_symbolic_operand): New.
868 (legitimate_pic_address_disp_p): Use it.
869 (legitimize_pic_address): Likewise.
871 2001-09-14 Marc Espie <espie@openbsd.org>
873 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
876 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
878 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
879 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
881 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
883 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
884 invocation of SUBREG_REGNO_OFFSET.
886 * haifa-sched.c: Fix typo in FSF copyright statement.
887 * sched-deps.c: Fix typo in FSF copyright statement.
888 * sched-ebb.c: Fix typo in FSF copyright statement.
889 * sched-rgn.c: Fix typo in FSF copyright statement.
890 * sched-vis.c: Fix typo in FSF copyright statement.
892 * config.gcc: Move inclusion of arm elf specific header files
893 from the files themselves into the tm_file variable. Make
894 sure that elfos.h is included before target specific elf
896 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
898 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
899 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
900 ASM_OUTPUT_CASE_LABEL): Protect definition.
901 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
903 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
904 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
905 Remove duplicate definition.
906 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
907 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
908 (RDATA_SECTION_FUNCTION): Remove redundant definition.
909 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
910 Remove inclusion of arm/elf.h.
911 * config/arm/unknown-elf.h: as for conix-elf.h.
912 (STARTFILE_SPEC): Include crti.o and crtn.o.
913 * config/arm/linux-elf.h: as for conix-elf.h.
914 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
915 * config/arm/strongarm-elf.h: Remove inclusion of
917 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
918 * config/arm/unknown-elf-oabi.h: Remove inclusion of
919 unknown-elf.h and elf.h.
920 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
921 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
922 ASM_WEAKEN_LABEL): Remove redundant definition.
923 * config/arm/elf.h: Test for inclusion of elfos.h
924 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
925 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
926 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
927 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
928 redundant definition.
929 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
930 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
931 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
932 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
933 Add rules to build crti.o and crtn.o
934 * crti.asm: New file.
935 * crtn.asm: New file.
937 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
939 * c-parse.in (_yylex): Use _cpp_backup_tokens.
940 * cpphash.h (struct tokenrun): Add prev.
941 (struct lexer_state): Remove bol.
942 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
943 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
945 * cppinit.c (cpp_create_reader): Don't set bol.
946 (cpp_destroy): Don't free lookaheads.
947 * cpplex.c (lex_directive): Remove.
948 (next_tokenrun): Update.
949 (_cpp_lex_token): Clean up logic.
950 (lex_token): Update to return a pointer to lexed token, since it
951 can move to the start of the buffer. Simpify newline handling.
952 * cpplib.c (SEEN_EOL): Update.
953 (skip_rest_of_line): Remove lookahead stuff.
954 (end_directive): Line numbers are already incremented. Revert
955 to start of lexed token buffer if we can.
956 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
957 parse_answer): Use _cpp_backup_tokens.
958 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
959 instead. Don't check for EOL.
960 (do_include_common, do_line, do_pragma_system_header): Use
962 * cpplib.h (BOL, _cpp_backup_tokens): New.
963 * cppmacro.c (save_lookahead_token, take_lookahead_token,
964 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
965 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
966 (builtin_macro): Don't use cpp_get_line.
967 (cpp_get_line): Short term kludge.
968 (parse_arg): Handle directives in arguments here. Back up when
969 appropriate. Store EOF at end of argument list.
970 (funlike_invocation_p): Use _cpp_backup_tokens.
971 (push_arg_context): Account for EOF at end of list.
972 (cpp_get_token): Remove lookahead stuff. Update.
974 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
976 * c-parse.in (yyerror): Const-ification and/or static-ization.
977 * c-typeck.c (push_member_name): Likewise.
978 * collect2.c (main): Likewise.
979 * dbxout.c (dbxout_parms): Likewise.
980 * diagnostic.c (format_with_decl): Likewise.
981 * dwarf2out.c (output_ranges): Likewise.
982 * dwarfout.c (fundamental_type_code): Likewise.
983 * except.c (dw2_output_call_site_table): Likewise.
984 * gcc.c (do_spec_1): Likewise.
985 * genopinit.c (optabs): Likewise.
986 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
987 gen_declaration_1, handle_impent): Likewise.
988 * protoize.c (default_include, in_system_include_dir, abspath):
990 * sched-vis.c (visualize_stall_cycles): Likewise.
991 * sdbout.c (plain_type_1, sdbout_end_function,
992 sdbout_end_epilogue): Likewise.
993 * varasm.c (decode_reg_name): Likewise.
995 * 1750a.c (mod_regno_adjust): Likewise.
996 * alpha.c (alpha_write_one_linkage,
997 unicosmk_output_default_externs): Likewise.
998 * arm.c (arm_condition_codes): Likewise.
999 * arm.h (arm_condition_codes): Likewise.
1000 * avr.c (output_movsisf, encode_section_info): Likewise.
1001 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1003 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1004 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1005 * m88k.c (output_function_profiler): Likewise.
1006 * mips.c (mips_output_conditional_branch): Likewise.
1007 * ns32k.c (ns32k_out_reg_names): Likewise.
1008 * ns32k.h (ns32k_out_reg_names): Likewise.
1009 * pj.c (pj_output_rval): Likewise.
1010 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1011 * sparc.c (sparc_flat_function_prologue,
1012 sparc_flat_function_epilogue): Likewise.
1014 2001-09-13 Markus Werle <numerical.simulation@web.de>
1015 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1017 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1018 Aachen University of Technology".
1020 2001-09-13 Andreas Schwab <schwab@suse.de>
1022 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1025 2001-09-13 Richard Henderson <rth@redhat.com>
1027 * config/alpha/alpha.c (small_symbolic_operand): New.
1028 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1029 (some_operand, input_operand): Don't handle HIGH.
1030 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1031 (alpha_expand_mov): Likewise.
1032 (print_operand) [H]: Just print HIGH symbol.
1033 (print_operand_address): Handle small data.
1034 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1035 (TARGET_SWITCHES): Add -msmall-data/large-data.
1036 (PIC_OFFSET_TABLE_REGNUM): New.
1037 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1038 (PREDICATE_COES): Update.
1039 * config/alpha/alpha.md (adddi_er_high): New.
1040 (adddi_er_low): Handle small data.
1041 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1042 prefer .sdata to .rodata.
1043 (SELECT_RTX_SECTION): Likewise.
1045 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1047 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1048 defining __size_t and leaving size_t undefined.
1050 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1052 * basic-block.h (expunge_block): Declare.
1053 * cfg.c (expunge_block): Remove static declaration.
1055 2001-09-12 Richard Henderson <rth@redhat.com>
1057 * integrate.c (copy_insn_list): Copy label name from
1058 NOTE_INSN_DELETED_LABEL.
1060 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1062 * c-common.c (c_tree_code_name): Const-ification.
1063 * c-decl.c (c_decode_option): Likewise.
1064 * c-typeck.c (warn_for_assignment): Likewise.
1065 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1067 * cppinit.c (output_deps): Likewise.
1068 * dependence.c (dependence_string, direction_string): Likewise.
1069 * dwarf2out.c (output_ranges): Likewise.
1070 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1071 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1072 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1073 standard_startfile_prefix, standard_startfile_prefix_1,
1074 standard_startfile_prefix_2, tooldir_base_prefix,
1075 standard_bindir_prefix, find_a_file): Likewise.
1076 * genattrtab.c (make_length_attrs): Likewise.
1077 * gencheck.c (tree_codes): Likewise.
1078 * genemit.c (gen_split): Likewise.
1079 * genrecog.c (special_mode_pred_table): Likewise.
1080 * graph.c (graph_ext): Likewise.
1081 * protoize (default_include): Likewise.
1082 * reload.c (reload_when_needed_name): Likewise.
1083 * sched-vis.c (visualize_stall_cycles): Likewise.
1084 * tlink.c (recompile_files): Likewise.
1085 * toplev.c (decode_g_option): Likewise.
1086 * tradcpp.c (output_deps): Likewise.
1087 * varasm.c (decode_reg_name): Likewise.
1089 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1092 * avr.c (avr_regnames, encode_section_info): Likewise.
1093 * c4x.c (float_reg_names): Likewise.
1094 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1095 * elfos.h (const_section): Likewise.
1096 * i386.c (ix86_comp_type_attributes): Likewise.
1097 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1098 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1099 * ia64.c (type_names): Likewise.
1100 * m68hc11.c (reg_class_names): Likewise.
1101 * m88k.c (m_options): Likewise.
1102 * mips.c (mips_output_conditional_branch, mips_unique_section):
1104 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1105 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1106 ultra_code_names): Likewise.
1107 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1109 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1111 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1112 Use --fatal-warnings option for gas.
1113 * configure: Rebuilt.
1115 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1117 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1119 2001-09-11 Jim Wilson <wilson@redhat.com>
1121 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1123 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1125 * builtins.c (c_strlen): Treat an offset too large for a
1126 HOST_WIDE_INT as out of range.
1128 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1130 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1131 (EDGE_CRITICAL_P): New predicate.
1132 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1134 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1135 (dump_edge_info): Remove "crit".
1136 * cfganal.c (mark_critical_edges): Kill.
1137 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1138 * cfgcleanup.c (cleanup_cfg): Likewise.
1139 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1140 (find_spanning_tree): Likewise.
1141 * reg-stack.c (convert_regs_1): Likewise.
1142 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1144 * basic-block.h (create_basic_block_structure): New.
1145 (create_basic_block): Update prototype.
1146 (force_nonfallthru): New.
1147 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1148 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1149 handle updating of block_for_insn, creating of empty BBs and BBs at
1150 the end of INSN chain.
1151 (create_basic_block): New function.
1152 (split_block): Use create_basic_block.
1153 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1154 (redirect_edge_and_branch_force): ... here.
1155 (force_nonfallthru): New.
1156 (split_edge): Rewrite to use force_nonfallthru and create_block.
1157 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1158 (find_basic_blocks): Free basic_block_for_insn.
1159 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1161 * cfg.c: Fix formating.
1162 * cfgcleanup.c: Fix formating.
1163 (merge_blocks, tail_recursion_label_p): Return bool.
1164 (merge_blocks_move_predecessor_nojumps,
1165 merge_blocks_move_successor_nojumps): Return void.
1167 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1169 * configure.in: Check whether assembler supports section merging.
1170 * config.in: Rebuilt.
1171 * configure: Rebuilt.
1172 * varasm.c (variable_section, output_constant_pool): Pass alignment
1173 to SELECT_SECTION and SELECT_RTX_SECTION.
1174 (mergeable_string_section): New.
1175 (mergeable_constant_section): New.
1176 (default_elf_asm_named_section): Output SECTION_MERGE and
1177 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1178 * output.h (mergeable_string_section): New.
1179 (mergeable_constant_section): New.
1180 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1181 * toplev.c (flag_merge_constants): New.
1182 (f_options): Add -fmerge-constants and -fmerge-all-constants
1184 (toplev_main): Default to -fno-merge-constants if not optimizing.
1185 * flags.h (flag_merge_constants): Add extern.
1186 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1187 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1189 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1190 Define if assembler has working .subsection -1 support.
1191 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1192 Put constant into special SHF_MERGE sections if the linker should
1193 attempt to merge duplicates.
1194 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1196 Put constant into special SHF_MERGE sections if the linker should
1197 attempt to merge duplicates.
1198 * config/alpha/elf.h: Likewise.
1199 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1200 has working .subsection -1 support.
1201 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1203 * config/svr3.h: Likewise.
1204 * config/darwin.h: Likewise.
1205 * config/arm/aof.h: Likewise.
1206 * config/arm/linux-elf.h: Likewise.
1207 * config/avr/avr.h: Likewise.
1208 * config/c4x/c4x.h: Likewise.
1209 * config/d30v/d30v.h: Likewise.
1210 * config/i386/dgux.h: Likewise.
1211 * config/i386/osfrose.h: Likewise.
1212 * config/i386/sco5.h: Likewise.
1213 * config/i386/svr3gas.h: Likewise.
1214 * config/ia64/aix.h: Likewise.
1215 * config/m32r/m32r.h: Likewise.
1216 * config/m68k/m68k.h: Likewise.
1217 * config/m88k/dgux.h: Likewise.
1218 * config/m88k/m88k.h: Likewise.
1219 * config/mcore/mcore-pe.h: Likewise.
1220 * config/mips/mips.h: Likewise.
1221 * config/pa/pa.h: Likewise.
1222 * config/pa/pa-linux.h: Likewise.
1223 * config/romp/romp.h: Likewise.
1224 * config/rs6000/sysv4.h: Likewise.
1225 * config/rs6000/xcoff.h: Likewise.
1226 * config/s390/linux.h: Likewise.
1227 * config/sparc/sparc.h: Likewise.
1228 * config/sparc/sysv4.h: Likewise.
1229 * config/stormy16/stormy16.h: Likewise.
1230 * config/v850/v850.h: Likewise.
1231 * config/vax/vms.h: Likewise.
1232 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1233 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1234 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1235 default_elf_asm_named_section for SHF_MERGE sections.
1237 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1239 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1242 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1244 * c-common.c (split_specs_attrs): Allow for empty attributes with
1245 empty TREE_PURPOSE. Fixes PR c/4294.
1247 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1249 * basic-block.h (cached_make_edge, make_single_succ): New.
1250 (make_edge): Remove first parameter.
1251 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1252 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1253 created edge; use obstack allocation.
1254 (make_edge, make_single_succ_edge): New.
1255 (first_removed_edge): New static variable.
1256 (init_flow): Initialize first_removed_edge and n_edges.
1257 (clear_edges): Use remove_edge.
1258 (flow_delete_block): Likewise.
1259 (remove_edge): Add removed edges to the removed edges list.
1260 (split_block, redirect_edge_and_branch_force, split_edge):
1262 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1263 (add_noreturn_fake_exit_edges): Likewise.
1264 (connect_infinite_loops_to_exit): Liekwise.
1265 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1266 Use cached_make_edge.
1267 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1268 * profile.c (branch_prob): Update make_edge call.
1269 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1271 2001-09-11 Richard Henderson <rth@redhat.com>
1273 * config/alpha/alpha.c: Tidy formatting.
1274 (local_symbolic_operand): Verify mode.
1275 (alpha_sa_mask): Ignore unicos for eh_return.
1276 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1277 * config/alpha/alpha.md (umk divsi patterns): Remove.
1278 (extendsfdf2): Remove unicos check.
1279 (tablejump): Merge vms and unicos code; always use direct set
1282 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1284 * config.gcc (alpha*-*-unicosmk*): New target.
1286 * config/alpha/alpha-protos.h (symbolic_operand,
1287 unicosmk_add_call_info_word, unicosmk_add_extern,
1288 unicosmk_defer_case_vector, unicosmk_unique_section,
1289 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1290 unicosmk_asm_file_start, unicosmk_asm_file_end,
1291 unicosmk_output_common): Declare.
1293 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1294 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1295 alpha_does_function_need_gp, alpha_end_function): Support Cray
1297 (alpha_init_machine_status, alpha_mark_machine_status,
1298 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1299 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1300 unicosmk_asm_named_section, unicosmk_insert_attributes,
1301 unicosmk_section_type_flags, symbolic_operand,
1302 unicosmk_output_module_name, unicosmk_output_default_externs,
1303 unicosmk_output_dex, unicosmk_output_externs,
1304 unicosmk_output_addr_vec, unicosmk_ssib_name,
1305 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1306 unicosmk_asm_file_end, unicosmk_output_common,
1307 unicosmk_section_type_flags, unicosmk_unique_section,
1308 unicosmk_add_call_info_word, unicosmk_text_section,
1309 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1310 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1311 unicosmk_dex_count, unicosmk_special_name): New.
1312 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1313 TARGET_ABI_UNICOSMK.
1314 (get_aligned_mem, alpha_expand_unaligned_load,
1315 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1316 alpha_expand_unaligned_store_words): Support big-endian mode.
1317 (print_operand): Likewise. New format specifier 't'. Use
1318 TARGET_AS_SLASH_BEFORE_SUFFIX.
1319 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1320 (alpha_pv_save_size): Update with above change.
1321 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1322 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1325 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1326 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1327 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1328 (EXTRA_CONSTRAINT): New constraint 'U'.
1329 (PREDICATE_CODES): Add symbolic_operand.
1331 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1332 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1333 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1334 (integer division and modulus patterns): Split in default and
1336 (*divmodsi_internal, *divmoddi_internal): Disable for
1337 TARGET_ABI_UNICOSMK.
1338 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1339 little-endian and big-endian versions.
1340 (ext, ins, msk): Likewise.
1341 (extv, extzv, insv): Support big-endian mode.
1342 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1343 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1344 *tablejump_umk_internal, *call_value_umk): New.
1345 (*movdi_nofix): Add pattern for loading an address into a register on
1346 TARGET_ABI_UNICOSMK.
1347 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1348 (umk_mismatch_args, arg_home_umk): New.
1349 (various insns): Don't use mov, fmov, nop, fnop and unop.
1350 (realign): Support TARGET_ABI_UNICOSMK.
1352 * config/alpha/unicosmk.h: New file.
1353 * config/alpha/t-unicosmk: New file.
1355 * fixinc/inclhack.def (unicosmk_restrict): New.
1356 * fixinc/fixincl.x: Regenerate.
1358 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1359 (wchar_t): Check for and define __WCHAR_T__.
1361 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1363 * combine.c (simplify_shift_const): Treat shifts by the mode
1366 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1368 * cpphash.h (struct tokenrun): New.
1369 (struct cpp_context): New member bol.
1370 (struct cpp_reader): New members.
1371 (_cpp_init_tokenrun): New.
1372 * cppinit.c (cpp_create_reader): Set up the token runs.
1373 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1374 (lex_token): New internalised version of _cpp_lex_token. Don't
1375 handle directives or the multiple include opimisation here any
1376 more. Simply lex a token.
1377 * cpplib.c (run_directive): Clear bol.
1378 (_cpp_pop_buffer): Set bol.
1379 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1382 2001-09-11 Michael Meissner <meissner@redhat.com>
1384 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1385 give an error if the user uses -mfp32.
1386 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1388 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1389 floating point register size.
1390 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1392 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1393 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1395 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1396 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1398 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1400 * dbxout.c (dbxout_parms): Fix typo in comment.
1401 * unroll.c (loop_find_equiv_value): Ditto.
1402 * toplev.c (rest_of_compilation): Ditto.
1403 * loop.c (scan_loop): Ditto.
1404 * dwarf2out.c (struct dw_fde_struct): Ditto.
1406 2001-09-10 Zack Weinberg <zackw@panix.com>
1408 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1409 copying identifier when we're just going to throw it away.
1410 (parse_identifier_slow): New routine to handle abnormal cases.
1411 (_cpp_lex_token): Update call site.
1413 * hashtable.c (ht_lookup): Don't assume that the string we've
1414 been given is NUL-terminated.
1415 * system.h: #define __builtin_expect(a, b) to (a) if not
1418 2001-09-10 Michael Meissner <meissner@redhat.com>
1420 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1423 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1425 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1427 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1429 * builtins.c (c_getstr): Correct thinko in last change and further
1432 2001-09-10 Tim Freeman <tim@fungibole.com>
1434 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1435 into varray's and register them as roots with the garbage
1436 collector so they are not collected too soon.
1438 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1440 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1442 * basic-block.h (flow_obstack, label_value_list,
1443 tail_recursion_label_list): Declare
1444 (tidy_fallthru_edges): Declare.
1445 (expunge_block, last_loop_beg_note): Delete.
1446 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1448 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1449 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1450 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1451 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1452 expunge_block, flow_delete_block, compute_bb_for_insn,
1453 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1454 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1455 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1456 try_redirect_by_replacing_jump, last_loop_beg_note,
1457 redirect_edge_and_branch, redirect_edge_and_branch_force,
1458 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1459 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1460 commit_edge_insertions, dump_flow_info, debug_flow_info,
1461 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1462 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1463 Move here from flow.c
1464 * cfganal.c: New file.
1465 (forwarder_block_p, can_fallthru, mark_critical_edges,
1466 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1467 find_unreachable_blocks, create_edge_list, free_edge_list,
1468 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1469 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1470 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1471 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1472 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1473 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1474 Move here from flow.c
1475 * cfgbuild.c: New file
1476 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1477 make_edges, find_basic_blocks_1, find_basic_blocks,
1478 find_sub_basic_blocks): Move here from flow.c
1479 * cfgcleanup.c: New file.
1480 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1481 merge_blocks_move_predecessor_nojumps,
1482 merge_blocks_move_successor_nojumps, merge_blocks,
1483 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1484 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1485 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1487 * cfgloop.c: New file
1488 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1489 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1490 flow_loop_exit_edges_find, flow_loop_nodes_find,
1491 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1492 flow_loop_tree_node_add, flow_loops_tree_build,
1493 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1494 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1495 Move here from flow.c
1496 * flow.c: Remove everything moved elsewhere
1497 * output.h (cleanup_cfg): Return bool.
1499 * bb-reorder.c (reorder_block_def): Remove 'index'.
1500 (insert_intra_1): Add argument BB, set block for new note.
1501 (make_reorder_chain): Do not depdent on BB indexes.
1502 (make_reorder_chain_1): Do not use BB indexes.
1503 (label_for_bb): Likewise; set BB for new insn.
1504 (emit_jump_to_block_after): Likewise.
1505 (fixup_reoder_chain): Sanity check that all basic blocks
1506 are chained; verify newly created insn chain; remove
1507 undocnitional jump simplifying; Do not use BB indexes;
1508 properly initialize count and frequency information;
1509 dump reordered sequence.
1510 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1511 (insert_inter_bb_scope_notes): Set block for new insn.
1512 (reorder_basic_blocks): Dump flow info before reoredering.
1514 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1516 * alias.c (clear_reg_alias_info): Use K&R format definition.
1517 Avoid unsigned warning.
1518 * builtins.c: Use "unsigned int", not "unsigned".
1519 (target_char_cast): Use host_integerp and tree_low_cst.
1520 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1521 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1522 (c_getstr): Likewise.
1523 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1524 (builtin_memcpy_read_str): Avoid unsigned warning.
1525 (expand_builtin_memcpy): Alignments are unsigned.
1526 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1527 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1528 * predict.c (expensive_function_p): LIMIT now unsigned.
1529 * resource.c (mark_target_live_regs): Make some vars unsigned.
1530 * sdbout.c: Use "unsigned int", not "unsigned".
1531 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1532 (sdbout_source_line): Likewise.
1533 (sdbout_record_type_name): Remove "const" for NAME declaration.
1534 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1536 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1538 * calls.c (store_one_arg): Expand comment.
1540 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1542 * calls.c (store_one_arg): Make sure that the entire argument is
1543 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1545 2001-09-09 Richard Henderson <rth@redhat.com>
1547 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1549 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1551 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1553 2001-09-09 Richard Henderson <rth@redhat.com>
1555 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1556 (alpha_this_literal_sequence_number): New.
1557 (alpha_this_gpdisp_sequence_number): New.
1558 (some_operand, input_operand): Add HIGH.
1559 (local_symbolic_operand): New.
1560 (alpha_encode_section_info): New.
1561 (alpha_legitimate_address_p): Allow LO_SUM.
1562 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1563 (alpha_expand_mov): Likewise.
1564 (secondary_reload_class): Check memory_operand not general_operand
1566 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1567 (alpha_expand_unaligned_store): Likewise.
1568 (alpha_expand_unaligned_load_words): Likewise.
1569 (alpha_expand_unaligned_store_words): Likewise.
1570 (alpha_expand_block_clear): Likewise.
1571 (print_operand): Handle %#, %*, %H.
1572 (print_operand_address): Handle LO_SUM.
1574 (alpha_does_function_need_gp): Use it.
1575 (alpha_expand_block_move): Fix signed compare warnings.
1576 (alpha_sa_mask, alpha_align_insns): Likewise.
1577 * config/alpha/alpha-protos.h: Update.
1578 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1579 (MASK_EXPLICIT_RELOCS): New.
1580 (TARGET_SWITCHES): Add -mexplicit-relocs.
1581 (EXTRA_CONSTRAINT): Add 'T'.
1582 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1583 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1584 (ENCODE_SECTION_INFO): Out line.
1585 (REDO_SECTION_INFO_P): New.
1586 (STRIP_NAME_ENCODING): New.
1587 (ASM_OUTPUT_LABELREF): New.
1588 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1589 (PREDICATE_CODES): Update.
1590 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1591 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1592 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1593 builtin_setjmp_receiver_er, exception_receiver_1_er,
1594 call_value_osf_1_er): New patterns.
1595 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1596 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1597 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1598 (FINAL_PRESCAN_INSN): New.
1600 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1602 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1604 2001-09-08 Andreas Jaeger <aj@suse.de>
1606 * i386.h (TARGET_SWITCHES): Fix description.
1608 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1610 * rs6000.c (num_insns_constant): Compute number of instructions
1613 * doc/install.texi: Explain AIX exception handling work-around.
1614 Update URL for AIX fixes.
1616 2001-09-07 Jim Wilson <wilson@redhat.com>
1618 * alias.c (clear_reg_alias_info): New.
1619 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1620 * rtl.h (clear_reg_alias_info): Declare.
1622 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1624 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1626 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1627 (m16m,edivm,emulm): Change declaration to match definition.
1629 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1631 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1632 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1635 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1637 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1638 which have no corresponding C type.
1639 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1640 the representation of 64-bit doubles to work with 64-bit ints.
1642 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1644 * config/mips/mips.c (override_options): Do not override ISA when ABI
1645 specified if MIPS_CPU_STRING_DEFAULT was specified.
1647 2001-09-07 Richard Henderson <rth@redhat.com>
1649 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1650 (express_from_1): Wrap lines.
1651 * rtlanal.c (commutative_operand_precedence): Rename from
1652 operand_preference; export.
1653 * rtl.h: Declare it.
1654 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1655 (simplify_binary_operation): Invoke simplify_plus_minus on
1656 (CONST (PLUS ...)) as well.
1657 (struct simplify_plus_minus_op_data): New.
1658 (simplify_plus_minus_op_data_cmp): New.
1659 (simplify_plus_minus): Use them. Avoid infinite recursion with
1660 simplify_binary_operation wrt CONST.
1662 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1664 * h8300-protos.h (general_operand_dst_push): Remove.
1665 * h8300.c (general_operand_dst_push): Likewise.
1666 * h8300.h (OK_FOR_T): Likewise.
1667 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1668 * h8300.md (pushqi_h8300): New.
1669 (pushqi_h8300hs): Likewise.
1671 (pushhi_h8300): Likewise.
1672 (pushhi_h8300hs): Likewise.
1675 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1677 * genattrtab.c (attr_printf): First arg is unsigned.
1678 Clean up formatting of callers.
1680 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1682 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1685 2001-09-07 Andreas Jaeger <aj@suse.de>
1687 * i386.h (TARGET_SWITCHES): Fix descriptions.
1689 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1691 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1693 2001-09-06 Ira Ruben <ira@apple.com>
1695 Remove OP_IDENTIFIER.
1696 * tree.def (OP_IDENTIFIER): Remove.
1697 * tree.c (tree_node_kind enum): Remove op_id_kind.
1698 (tree_node_kind_names): Remove "op_identifiers".
1699 (make_node): Remove OP_IDENTIFIER test.
1700 (build_op_identifier): Removed because it isn't being used.
1701 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1702 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1704 2001-09-06 Richard Henderson <rth@redhat.com>
1706 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1708 2001-09-06 Richard Henderson <rth@redhat.com>
1710 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1713 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1715 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1716 number used for CR register.
1718 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1719 Joern Rennecke (amylaar@cygnus.com)
1721 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1722 * h8300.c (initial_offset): Handle offset between RP and FP.
1723 (h8300_return_addr_rtx): New function.
1724 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1726 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1727 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1728 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1729 (CAN_ELIMINATE, REGISTER_NAMES):
1730 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1732 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1734 Remove TYPE_NONCOPIED_PARTS.
1735 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1736 (struct tree_type): Remove noncopied_parts.
1737 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1738 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1739 (fixed_type_p): Remove.
1740 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1741 (expand_expr, MODIFY_EXPR): Likewise.
1742 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1743 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1745 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1747 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1749 (mask64_operand): Likewise.
1750 (includes_rldic_lshift_p): Likewise.
1751 (includes_rldicr_lshift_p): Likewise.
1753 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1755 * objc/objc-act.c (build_message_expr): If a class method cannot
1756 be found, do not issue a warning if a corresponding instance
1757 method exists in the root class.
1759 2001-09-05 Richard Henderson <rth@redhat.com>
1761 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1763 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1765 * function.c (ggc_mark_struct_function): Mark f->outer.
1766 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1767 * integrate.c (output_inline_function): ... not here.
1769 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1771 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1773 * i386.c (size_cost): New static variable.
1774 (override_function): Use size_cost when -Os is specified.
1776 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1777 properly; Use current_function_calls_eh_return.
1778 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1779 use leave to avoid depdendancy chain.
1781 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1782 get BB loop_depth instead of computing it from LOOP notes.
1784 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1786 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1788 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1789 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1790 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1792 2001-09-05 Jeffrey A Law (law@cygnus.com)
1793 Jason Merrill (jason@redhat.com)
1795 * stor-layout.c (layout_type): Complain if an array's size can
1796 not be represented in a size_t.
1798 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1800 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1802 * gcc.c: (process_command) Add parentheses around assignment
1803 used as truth value.
1805 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1807 * config/mips/mips.c (save_restore_insns): Don't mark any register
1808 save slots as unchanging if current_function_calls_eh_return.
1810 2001-09-05 Richard Henderson <rth@redhat.com>
1812 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1813 * config/alpha/alpha-protos.h: Declare it.
1814 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1815 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1816 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1817 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1818 (REG_OK_FOR_BASE_P): Select one of the above.
1820 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1822 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1823 (crti.o): Prefix name of object file with $(T).
1826 2001-09-05 David S. Miller <davem@redhat.com>
1828 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1829 * config/sparc/linux64.h: Likewise.
1831 2001-09-05 Andreas Jaeger <aj@suse.de>
1833 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1834 available anymore, remove the documentation.
1835 (i386 Options): Fix typo, cleanup index entries.
1837 * prefix.c (concat): Remove, we can use the version from liberty.
1839 2001-09-05 Richard Henderson <rth@redhat.com>
1841 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1842 New functions split out of md file expanders.
1843 * config/alpha/alpha-protos.h: Declare them.
1844 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1846 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1848 * cppmacro.c (funlike_invocation_p): No need to restore context.
1850 2001-09-04 Richard Henderson <rth@redhat.com>
1852 * reload.c (push_reload): Export.
1853 * reload.h (push_reload): Declare it.
1855 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1856 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1857 * config/alpha/alpha.c (alpha_legitimize_address): New.
1858 (alpha_legitimize_reload_address): Likewise.
1859 * config/alpha/alpha-protos.h: Declare them.
1861 2001-09-04 Stan Shebs <shebs@apple.com>
1863 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1864 * config/darwin.c (machopic_stub_name): Account for internally
1865 generated lib calls such as memcpy.
1867 2001-09-04 Richard Henderson <rth@redhat.com>
1869 * unwind.h (_UA_END_OF_STACK): New flag.
1870 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1872 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1874 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1876 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1878 * config/mips/mips.c (save_restore_insns): Change base_offset to
1879 fp_offset in second call to mips_emit_frame_related_store.
1881 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1883 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1884 sometimes be represented as a NOTE of type
1885 NOTE_INSN_DELETED_LABEL.
1886 (Insns): Document NOTE_INSN_DELETED_LABEL.
1888 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1890 * c-common.h (tree_dump_index): Add more comments.
1891 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1892 (dump_option_value_info): New struct.
1893 (dump_options): New array.
1894 (dump_switch_p): Parse switch options symbolically.
1895 * doc/invoke.texi (-fdump-ast): Rename to ...
1896 (-fdump-tree): ... here. Document that options are symbolic, and
1897 not all are applicable.
1899 2001-09-04 David S. Miller <davem@redhat.com>
1901 * config/sparc/sparc.md (define_splits): Kill constraints.
1903 Cleanup redundant and unused insn attributes.
1904 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1905 binary, and move. Mark ialu as default.
1906 (commented out define_function_unit "alu"): Kill.
1907 (define_attr "use_clobbered"): Kill.
1908 (whole file): Kill address insn type references. Replace
1909 all unary/binary/move references with ialu.
1910 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1911 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1914 Simplify length insn attribute and make more judicious use
1915 of insn attribute defaulting.
1916 * config/sparc/sparc.md (all insns with length > one): Mark as
1917 insn type multi if real instructions, else use default if
1918 it is a forced splitter.
1919 (all insns with length == one): Use default insn length.
1920 (all insns of type ialu): Use default insn type.
1922 Fix erroneous insn attribute settings.
1923 (addx): Set insn type to misc.
1924 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1925 const_umulsidi3_sp64): Set insn type to imul.
1927 Track SFmode vs DFmode insns according to UltraSPARC
1929 * config/sparc/sparc.md ("fptype"): New attribute, default
1931 (all DFmode single insns): Mark as fptype "double".
1933 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1935 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1937 2001-09-03 Richard Henderson <rth@redhat.com>
1939 * function.h (struct function): Add arg_pointer_save_area_init.
1940 * function.c (expand_function_end): Init arg_pointer_save_area.
1941 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1942 when called from a nested function.
1944 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1946 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1949 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1951 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1953 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1955 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1956 (emit_push_insn): Use specified padding direction when
1957 STACK_PUSH_CODE is POST_INC.
1959 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1961 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1963 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1965 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1967 * cppinit.c (cpp_start_read): Free the imacros list as we
1968 traverse it. Don't free the chains before returning.
1969 (_cpp_push_next_buffer): Only try pushing buffers if we've
1970 completed -imacros handling.
1972 2001-08-31 Eric Christopher <echristo@redhat.com>
1974 * gcc.c (handle_braces): Add explaination for abort.
1976 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1978 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1979 move adjustment of bitpos instead.
1981 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1983 * function.c: Remove all_functions. Make outer_function_chain
1985 (init_function_start): Don't add new function structure to
1987 (find_function_data, push_function_context_to,
1988 pop_function_context_from, put_var_into_stack,
1989 trampoline_address): Update for changed structure element names.
1990 (push_function_context_to): Disentangle.
1991 (free_after_compilation): Also free F.
1992 (expand_dummy_function_end): Don't free cfun here.
1993 (put_var_into_stack): Comment why we can't use find_function_data here.
1994 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1995 (mark_function_chain): Split into maybe_mark_struct_function and
1996 ggc_mark_struct_function. Export the latter.
1997 (init_function_once): Mark from cfun and outer_function_chain;
2000 * function.h (struct function): Kill next_global. Rename next
2001 to outer. All users updated to match.
2002 (all_functions, outer_function_chain): Don't declare.
2004 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2005 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2006 don't touch f->inlinable, after calling rest_of_compilation.
2008 * tree.h: Forward-declare struct function. Prototype
2009 ggc_mark_struct_function.
2011 2001-08-31 Kazu Hirata <kazu@hxi.com>
2013 * config/h8300/h8300.md (*andorhi3): Fix typos.
2015 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2017 * calls.c (emit_library_call_value): Don't use a fixed
2018 argument after VA_CLOSE, i.e. out of scope in traditional C.
2020 * emit-rtl.c (gen_rtvec): Likewise.
2022 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * Makefile.in (c-pragma.o): Depend on output.h.
2025 (reorg.o): Depend on except.h.
2027 * c-pragma.c: Include output.h.
2029 * reorg.c: Include except.h.
2031 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2033 2001-08-31 Richard Henderson <rth@redhat.com>
2035 * sched-deps.c (add_dependence): Don't elide dependancy if the
2036 conditional used by insn is modified in elem.
2038 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2040 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2042 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2044 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2047 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2049 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2051 (stormy16_asm_out_constructor): New function.
2052 (TARGET_ASM_CONSTRUCTOR): Define.
2053 (TARGET_ASM_DESTRUCTOR): Define.
2055 2001-08-31 Andreas Jaeger <aj@suse.de>
2057 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2058 * loop.c (add_label_notes): Likewise.
2059 * reload.c (find_reloads): Likewise.
2060 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2062 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2064 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2065 code here. Take _Unwind_{W,Sw}ord*.
2066 (read_encoded_value_with_base): Use them.
2067 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2069 (extract_cie_info): Simplify read_?leb128 handling.
2070 (execute_stack_op, execute_cfa_program): Likewise.
2071 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2073 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2075 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2076 the frame pointer to pop the stack if convenient.
2078 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2079 Don't use post-increment before combine.
2080 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2081 a call-saved register.
2083 2001-08-31 Andreas Jaeger <aj@suse.de>
2085 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2088 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2090 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2091 not DIV/MOD, of course.
2093 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2095 * rtl.def: Undo my patch commited 2001-08-27.
2097 * genattrtab.c: Ditto.
2101 * sched-int.h: Ditto.
2103 * target-def.h: Ditto.
2107 * haifa-sched.c: Ditto.
2109 * sched-rgn.c: Ditto.
2111 * sched-vis.c: Ditto.
2113 * Makefile.in: Ditto.
2115 * doc/md.texi: Ditto.
2117 * doc/tm.texi: Ditto.
2119 * doc/contrib.texi: Ditto.
2121 * doc/gcc.texi: Ditto.
2123 * genattrtab.h: Remove it.
2125 * genautomata.c: Remove it.
2127 * genattr.c: Undo my patch and Richard Henderson's patch commited
2130 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2132 * config.gcc (h8300-*-elf*): New case.
2133 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2134 (SUBTARGET_CPP_SPEC): Define.
2135 (EXTRA_SPECS): Define.
2136 (SUBTARGET_EXTRA_SPECS): Define.
2137 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2138 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2140 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2142 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2143 (LIB2FUNCS_EXTRA): Define.
2144 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2145 config/h8300/fixunssfsi.c: New file.
2147 2001-08-30 Kazu Hirata <kazu@hxi.com>
2149 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2150 define_expand to accomodate target-specific attributes.
2151 (anonymous zero_extendqihi2 patterns): New.
2153 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2155 * h8300.md (*andorhi3): New pattern.
2157 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2159 * h8300.c (dosize): Fix test for "sub".
2161 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2163 * c-typeck.c (pointer_diff): Try to eliminate common term before
2166 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2168 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2169 Account for the saves of the FP registers.
2171 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2172 (TEXT_SECTION_ASM_OP): Define.
2173 (INIT_SECTION_ASM_OP): Define.
2174 (FINI_SECTION_ASM_OP): Define.
2175 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2176 (RDATA_SECTION_FUNCITON): Provide prototype.
2178 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2180 * reload1.c (move2add_note_store): Correct typo checking for
2183 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2185 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2186 note should not be considered outside the libcall block.
2188 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2190 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2192 2001-08-29 Kazu Hirata <kazu@hxi.com>
2194 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2196 2001-08-29 Kazu Hirata <kazu@hxi.com>
2198 * config/h8300/h8300-protos.h: Add a prototype for
2200 * config/h8300/h8300.c (emit_logical_op): New.
2201 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2208 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2210 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2211 comparison with rtx INTVAL.
2212 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2214 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2216 2001-08-29 Kazu Hirata <kazu@hxi.com>
2218 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2221 2001-08-29 Kazu Hirata <kazu@hxi.com>
2223 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2224 (reg n) to (mem (pre_dec (reg n))
2225 (anonymous movsi pattern): Likewise.
2227 2001-08-29 Kazu Hirata <kazu@hxi.com>
2229 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2231 2001-08-29 Kazu Hirata <kazu@hxi.com>
2233 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2234 several special constants.
2236 2001-08-29 Kazu Hirata <kazu@hxi.com>
2238 * config/h8300/lib1funcs.asm: Fix comment typos.
2240 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2243 Fix format specifier warnings.
2245 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2246 inet_makeaddr, semctl): Prototype.
2248 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2249 (save_restore_insns): Use base_offset, not gp_offset.
2251 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2252 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2254 2001-08-29 Richard Henderson <rth@redhat.com>
2256 * bb-reorder.c (function_tail_eff_head): New.
2257 (record_effective_endpoints): Set it.
2258 (fixup_reorder_chain): Use it.
2260 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2262 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2264 2001-08-28 Dale Johannesen <dalej@apple.com>
2266 * config/darwin.c (machopic_function_base_name): Add const
2267 qualifier to a string.
2268 (darwin_encode_section_info): Ditto.
2270 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2272 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2273 function definition.
2275 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2277 * df.h (struct df): Add rts_order variable.
2279 * df.c (df_visit_next_rts): New function.
2280 (df_visit_next): Renamed to df_visit_next_rc
2281 (df_analyse_1): Allocate/compute/free rts_order as well.
2282 (df_rd_global_compute): Use df_visit_next_rc instead of
2284 (df_ru_global_compute): Use df_visit_next_rts instead of
2287 * flow.c (flow_reverse_top_sort_order_compute): New function.
2289 * basic-block.h: Add prototype.
2291 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2293 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2294 blocks, the BB_REACHABLE is now set, rather than aux being
2295 non-NULL. Update the test to reflect this.
2297 2001-08-28 Eric Christopher <echristo@redhat.com>
2299 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2300 config/mips/crti.asm: Ditto.
2302 2001-08-28 Eric Christopher <echristo@redhat.com>
2303 Richard Henderson <rth@redhat.com>
2305 * c-pragma.h (add_weak): Move prototype from here...
2306 * output.h (add_weak): ... to here.
2307 * varasm.c (add_weak): Fix typo.
2308 * config/mips/crti.asm: New file.
2309 * config/mips/crtn.asm: Ditto.
2310 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2311 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2312 (INVOKE__main): Ditto.
2313 (INIT_SECTION_ASM_OP): New.
2314 (FINI_SECTION_ASM_OP): Ditto.
2315 (STARTFILE_SPEC): Add crti.
2316 (ENDFILE_SPEC): Add crtn.
2317 * config/mips/elf64.h: Same.
2318 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2320 * config/mips/vxworks.h: Ditto.
2321 * config/mips/t-elf: Support crti and crtn.
2323 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2325 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2328 2001-08-28 Richard Henderson <rth@redhat.com>
2330 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2331 (one_cmplbi2 splitter): Remove redundant test.
2333 2001-08-28 Dale Johannesen <dalej@apple.com>
2335 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2337 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2339 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2341 2001-08-28 Stan Shebs <shebs@apple.com>
2343 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2344 (UNALIGNED_SHORT_ASM_OP): Define.
2345 (UNALIGNED_INT_ASM_OP): Define.
2347 2001-08-28 Will Cohen <wcohen@redhat.com>
2349 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2350 generation for first set.
2352 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2354 * flow.c (redirect_edge_succ_nodup): Return new edge.
2355 (try_simplify_condjump): Use new edge.
2356 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2358 * cse.c (cse_basic_block): Skip note instructions.
2360 2001-08-27 Richard Henderson <rth@redhat.com>
2362 * combine.c (combine_simplify_rtx): Don't reverse condition
2363 if there is no reverse for the condition.
2364 (simplify_comparison): Don't simplify subregs from INT to FP.
2366 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2367 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2368 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2369 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2370 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2371 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2373 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2375 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2376 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2378 (adddi_dilshr32, adddi_dishl32): Only data register can be
2379 source for mem destination.
2381 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2382 and use bitnum to decide about register move.
2384 2001-08-27 Richard Henderson <rth@redhat.com>
2386 * genattr.c (main): Emit state_t even when not doing scheduling.
2388 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2389 Richard Henderson <rth@redhat.com>
2391 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2392 (reg_avail_info, current_bb): ... these.
2393 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2394 (compute_hash_table): Likewise.
2396 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2398 * flow.c (verify_flow_info): Use checksums to verify edges.
2400 2001-08-27 Richard Henderson <rth@redhat.com>
2402 * genautomata.c (expand_automata): Always create a description.
2404 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2406 * optabs.c (expand_binop): Correctly handle the carry in multiword
2407 add/subtract operations.
2409 2001-08-27 Fred Fish <fnf@be.com>
2411 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2414 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2416 * reload.c (find_reloads_toplev): Back out this change:
2418 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2420 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2421 mem if the address is a mode_dependent_address_p.
2423 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2425 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2426 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2427 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2430 * genattr.c (main): New variable num_insn_reservations. Increase
2431 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2432 pipeline hazard recognizer interface.
2434 * genattrtab.h: New file.
2436 * genattrtab.c: Include genattrtab.h.
2437 (attr_printf, check_attr_test, make_internal_attr,
2438 make_numeric_value): Move protypes into genattrtab.h. Define them
2440 (num_dfa_decls): New global variable.
2441 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2442 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2443 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2444 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2446 * genautomata.c: New file.
2448 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2450 * sched-int.h: (curr_state): Add the external definition for
2451 automaton pipeline interface.
2452 (haifa_insn_data): Add comments for members blockage and units.
2454 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2455 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2456 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2457 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2458 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2459 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2460 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2462 (TARGET_SCHED): Use the new macros.
2464 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2465 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2466 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2467 dfa_bubble): New members in gcc_target.sched.
2469 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2470 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2471 (insn_queue): Redefine it as pointer to array.
2472 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2474 (max_insn_queue_index_macro_value): New variable.
2475 (curr_state, dfa_state_size, ready_try): New varaibles for
2476 automaton interface.
2477 (ready_element, ready_remove, max_issue): New function prototypes
2478 for automaton interface.
2479 (choose_ready): New function prototype.
2480 (insn_unit, blockage_range): Add comments.
2481 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2482 FUNCTION_UNITS_SIZE == 0.
2483 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2484 actual_hazard, potential_hazard): Add comments.
2485 (insn_cost): Use cost -1 as undefined value. Remove
2486 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2488 (ready_element, ready_remove): New functions for automaton
2490 (schedule_insn): Add new code for automaton pipeline interface.
2491 (queue_to_ready): Add new code for automaton pipeline interface.
2492 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2493 (debug_ready_list): Print newline when the queue is empty.
2494 (max_issue): New function for automaton pipeline interface.
2495 (choose_ready): New function.
2496 (schedule_block): Add new code for automaton pipeline interface.
2497 Print ready list before scheduling each insn.
2498 (sched_init): Add new code for automaton pipeline interface.
2499 Initiate insn cost by -1.
2500 (sched_finish): Free the current automaton state and finalize
2501 automaton pipeline interface.
2503 * sched-rgn.c: Include target.h.
2504 (init_ready_list, new_ready, debug_dependencies): Add new code for
2505 automaton pipeline interface.
2507 * sched-vis.c: Include target.h.
2508 (get_visual_tbl_length): Add code for automaton interface.
2509 (target_units, print_block_visualization): Add comments.
2511 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2512 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2513 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2514 (getruntime.o, genautomata.o): New entries.
2515 (genattrtab.o): Add new dependency file genattrtab.h.
2516 (genattrtab): Add new dependencies. Link it with `libm.a'.
2517 (getruntime.o, hashtab.o): New entries for canadian cross.
2519 * doc/md.texi: Description of automaton based model.
2521 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2523 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2524 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2525 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2526 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2527 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2528 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2529 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2531 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2532 MAX_DFA_ISSUE_RATE): New macro descriptions.
2534 * doc/contrib.texi: Add dfa based scheduler contribution.
2536 * doc/gcc.texi: Add more information about genattrtab.
2538 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2540 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2543 2001-08-27 Richard Henderson <rth@redhat.com>
2545 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2546 (get_arg_pointer_save_area): New. Create an init it here.
2547 (fix_lexical_addr): Use it.
2548 * function.h: Declare it.
2549 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2550 * stmt.c (expand_nl_goto_receiver): Use it.
2552 2001-08-27 Richard Henderson <rth@redhat.com>
2554 * final.c (final_scan_insn): Don't enter APP_ON mode for
2557 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2558 alignment for assemble_integer for DW_EH_PE_aligned.
2559 * except.c (output_function_exception_table): Likewise.
2561 2001-08-26 Andreas Jaeger <aj@suse.de>
2563 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2565 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2567 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2569 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2571 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2573 (mask64_operand): Likewise.
2574 (rldic_operand): Delete.
2575 (includes_lshift64_p): Delete.
2576 (includes_rldic_lshift_p): New function.
2577 (includes_rldicr_lshift_p): New function.
2578 (print_operand): Don't call rldic_operand in case 'W'.
2579 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2580 (includes_lshift64_p): Remove.
2581 (includes_rldic_lshift_p): Declare.
2582 (includes_rldicr_lshift_p): Declare.
2583 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2584 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2585 Replace match_operand rldic_operand predicate with
2586 const_int_operand. Replace includes_lshift64_p condition with
2587 includes_rldic_lshift_p.
2588 <ashldi3_internal 64 bit rldicr patterns>: New.
2590 2001-08-27 Andreas Jaeger <aj@suse.de>
2592 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2593 * errors.c: Likewise.
2594 * final.c: Likewise.
2595 * dwarf2asm.c: Likewise.
2596 * doprint.c (checkit): Likewise.
2597 * diagnostic.c: Likewise.
2598 * collect2.c: Likewise.
2599 * calls.c: Likewise.
2600 * c-semantics.c (build_stmt): Likewise.
2601 * c-format.c (status_warning): Likewise.
2602 * c-errors.c (pedwarn_c99): Likewise.
2603 * builtins.c (validate_arglist): Likewise.
2604 * config/pj/pj.c (pj_printf): Likewise.
2605 * fix-header.c: Likewise.
2607 * gcov.c (fnotice): Likewise.
2608 * gensupport.c (message_with_line): Likewise.
2609 * mips-tfile.c: Likewise.
2610 * protoize.c (notice): Likewise.
2611 * read-rtl.c (fatal_with_file_and_line): Likewise.
2612 * rtl-error.c: Likewise.
2613 * tradcpp.c: Likewise.
2615 * cp/tree.c (build_min_nt): Likewise.
2616 (build_min): Likewise.
2617 * cp/lex.c: Likewise.
2618 * cp/errfn.c: Likewise.
2619 * cp/rtti.c (create_pseudo_type_info): Likewise.
2621 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2623 * df.c (df_uses_record): Return after recording all uses
2626 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2628 * df.c (df_insn_modify): Realloc the INSN table here, if
2629 necessary, here, too.
2631 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2633 * config/mips/mips.c (mips_function_value): Handle complex return
2636 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2638 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2640 * reload.c (make_memloc): Copy result if it is still
2641 reg_equiv_memory_loc[regno] on return.
2642 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2643 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2644 reg_equiv_mem are modified by the substitutions.
2646 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2648 * predict.c (expensive_function_p): New.
2649 * rtl.h (expensive_function_p): Declare.
2650 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2651 (use_fast_prologue_epilogue): New static variable.
2652 (expand_prologue): Set it; emit short prologues if unset.
2653 (expand_epilogue): Likewise.
2655 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2657 * config.gcc: Add stormy16-*-elf case.
2658 * config/stormy16/stormy-abi: New file.
2659 * config/stormy16/stormy16-lib2.c: New file.
2660 * config/stormy16/stormy16-protos.h: New file.
2661 * config/stormy16/stormy16.c: New file.
2662 * config/stormy16/stormy16.h: New file.
2663 * config/stormy16/stormy16.md: New file.
2664 * config/stormy16/t-stormy16: New file.
2666 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2668 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2670 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2672 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2673 descriptor members are pointer size, not constant 4.
2674 * config/rs6000/rs6000.md (define_splits): Remove more unused
2677 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2679 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2681 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2683 * cp/rtti.c (VPARAMS): Fix parameter.
2685 2001-08-24 Zack Weinberg <zackw@panix.com>
2687 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2689 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2691 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2692 in if controlling use of insv.
2693 (extract_bit_field): Likewise, for extv and extzv.
2695 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2697 * i386.md (movcc peep2): Fix load of 0.
2699 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2701 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2702 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2704 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2706 * c-pragma.h: Move weak_syms and weak_decls...
2707 * varasm.c: ...here. Now static.
2708 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2709 depend on HANDLE_PRAGMA_WEAK.
2711 * c-common.c (c_alignof, c_alignof_expr): Move here...
2712 * c-typeck.c: ...from here.
2713 * c-tree.h, c-common.h: Adjust.
2715 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2717 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2718 instead of incrementing it.
2720 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2721 asm ready, don't try to move them all into the same array element.
2723 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2725 * function.c (thread_prologue_and_epilogue_insns): Avoid
2726 fallthru flag on edge to exit.
2728 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2730 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2733 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2735 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2736 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2737 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2740 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2742 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2743 replace "GNU CC" with "GCC".
2745 2001-08-23 Richard Henderson <rth@redhat.com>
2747 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2748 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2749 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2750 Need GR between FR and not GR_AND_FR.
2751 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2752 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2753 AR regs before GR regs.
2754 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2755 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2756 (REGISTER_MOVE_COST): Update.
2757 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2759 2001-08-23 Richard Henderson <rth@redhat.com>
2761 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2764 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2766 * reload1.c (emit_reload_insns): Don't look for notes
2767 on a NULL store_insn.
2769 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2771 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2772 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2773 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2774 format specifier warnings.
2775 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2777 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2779 * config/i386/i386-protos.h: Correct declaration of
2780 i386_pe_asm_named_section.
2782 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2784 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2786 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2788 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2790 * cpperror.c (print_location): Don't show _Pragma.
2791 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2792 and file change callback generation here.
2793 (stack_include_file): Update use of cpp_push_buffer.
2794 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2795 (struct cpp_buffer): Remove type, pfile members.
2796 * cppinit.c (cpp_handle_option): Use free_chain.
2797 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2798 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2799 a cpp_reader rather than a cpp_buffer.
2800 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2801 skip_line_comment, parse_string, lex_percent, lex_dot,
2802 _cpp_lex_token): Update accordingly.
2803 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2805 (cpp_push_buffer): Update prototype.
2806 (run_directive): Update use of cpp_push_buffer.
2807 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2808 handle_assertion): Update use of run_directive.
2809 * cpplib.h (enum cpp_buffer_type): Remove.
2810 (cpp_push_buffer): Update prototype.
2811 * fix-header.c (read_scan_file): Update.
2813 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2815 * gcc.c (struct prefix_list): Change prefix to const char *.
2817 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2819 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2821 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2823 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2826 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2829 * ifcvt.c (dead_or_predicable): Adjust.
2830 * loop.c (find_and_verify_loops): Adjust.
2831 * stmt.c (expand_end_case): Adjust.
2832 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2833 head and end insn pointers in the basic block, not just local copies.
2834 (merge_blocks_move_predecessor_nojumps): Likewise.
2836 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2838 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2839 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2840 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2841 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2842 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2843 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2844 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2845 conditions.h, config.gcc, configure.frag, configure.in,
2846 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2847 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2848 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2849 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2850 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2851 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2852 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2853 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2854 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2855 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2856 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2857 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2858 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2859 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2860 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2861 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2862 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2863 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2864 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2865 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2866 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2867 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2868 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2869 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2870 params.h, predict.c, predict.def, predict.h, prefix.c,
2871 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2872 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2873 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2874 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2875 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2876 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2877 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2878 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2879 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2880 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2881 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2882 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2883 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2884 xcoffout.h: replace "GNU CC" with "GCC".
2886 2001-08-21 Richard Henderson <rth@redhat.com>
2888 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2889 (final_scan_insn): Consider jump tables data even if we have no
2890 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2892 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2893 (ASM_OUTPUT_CASE_END): Remove.
2894 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2895 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2896 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2898 2001-08-21 Richard Henderson <rth@redhat.com>
2900 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2901 at barrier insns. Emit stop bits before barriers.
2903 * flow.c (flow_find_cross_jump): Don't consider unconditional
2904 return insns for commoning.
2906 * final.c (compute_alignments): Fix typo.
2908 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2909 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2910 (store_bit_field): Use mode_for_extraction more places.
2911 (extract_bit_field): Likewise.
2913 2001-08-21 Zack Weinberg <zackw@panix.com>
2915 * caller-save.c: Don't include insn-codes.h.
2916 (reg_save_code, reg_restore_code): Make arrays of int.
2917 All uses updated to match.
2918 (insert_save, insert_restore): No need to initialize "code"
2919 variable upon declaration.
2920 * Makefile.in: update dependencies; fix typo in clean rule.
2922 2001-08-21 Richard Henderson <rth@redhat.com>
2924 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2925 (merge_if_block): Handle fallout from same.
2927 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * builtins.c (type_to_class): Fix typo in last change.
2931 2001-08-21 Richard Henderson <rth@redhat.com>
2933 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2934 ia64_asm_output_label.
2936 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2937 copy of gp while the real gp register contains garbage.
2939 2001-08-21 Zack Weinberg <zackw@panix.com>
2941 * expmed.c (mode_for_extraction): New function.
2942 (store_bit_field, extract_bit_field): Use it.
2943 * expr.h: Prototype it and provide an enum for its first argument.
2945 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2946 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2947 and digging through the insn_data tables.
2948 * Makefile.in: Update dependencies.
2950 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2952 * cppfiles.c (stack_include_file): line-map.c now handles include
2954 (handle_missing_handler): Similarly.
2955 (_cpp_execute_include): Similarly.
2956 (_cpp_pop_file_buffer): Similarly.
2957 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2958 buffer_stack_depth and include_depth.
2959 * cpplib.c (do_include_common): line-map.c now handles include depth.
2960 (cpp_push_buffer): Similarly.
2961 (_cpp_pop_buffer): Similarly.
2962 * cppmacro.c (builtin_macro): Update.
2963 * line-map.c (init_line_maps): Set depth.
2964 (add_line_map): Increment "used" earlier. Update and use the
2966 (trace_include): Use the include depth.
2967 * line-map.h (struct line_maps): New member depth.
2969 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2971 * cppfiles.c (stack_include_file): Don't handle -H here.
2972 * cppinit.c (cpp_start_read): Set include tracing after
2973 cpp_post_options and after stacking the main file.
2974 * line-map.c (trace_include): New.
2975 (init_line_maps, add_line_map): Update.
2976 * line-map.h (struct line_maps): New member trace_includes.
2978 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2980 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2981 * cppfiles.c (stack_include_file): Only stack a file if there
2982 is something to do. Return a boolean indicating whether a
2983 buffer was stacked or not.
2984 (_cpp_execute_include): Similarly.
2985 (_cpp_read_file): Similarly.
2986 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2988 2001-08-21 Sam Steingold <sds@gnu.org>
2990 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2991 (RECACHE): keep obufp_before_macroname up to date
2993 2001-08-21 Zack Weinberg <zackw@panix.com>
2995 * stmt.c: Don't include insn-codes.h.
2996 (expand_end_case): Machine specific logic moved to expr.c.
2997 No need to worry about __builtin_classify_type.
2998 (check_for_full_enumeration_handling, emit_case_nodes):
3001 * builtins.o (expand_builtin_classify_type): Split up so code
3002 can be shared with fold_builtin_classify_type.
3003 (type_to_class, fold_builtin_classify_type): New functions.
3004 (fold_builtins): Handle __builtin_classify_type.
3006 * expr.c (do_tablejump): Now static.
3007 (case_values_threshold, try_casesi, try_tablejump): New;
3008 code mostly from stmt.c (expand_end_case).
3009 (expr.h): Update prototypes.
3011 * Makefile.in (stmt.o): Update dependencies.
3013 2001-08-21 Will Cohen <wcohen@redhat.com>
3015 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3016 declaration of variable i.
3017 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3018 declaration of variable i.
3020 2001-08-21 Richard Henderson <rth@redhat.com>
3022 * crtstuff.c: Fix thinko last change. Move list tails to start
3023 of CRT_END section. Tidy ifdefs.
3024 (__EH_FRAME_BEGIN__): Always static for ELF.
3025 (__do_global_ctors_1): Rename from __frame_dummy.
3026 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3027 name change; don't hide __EH_FRAME_BEGIN__.
3029 2001-08-21 Richard Henderson <rth@redhat.com>
3031 * gdbinit.in: Move break on exit after break on fancy_abort.
3033 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3036 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3038 * cpphash.h (_cpp_push_next_buffer): New.
3039 * cppinit.c (do_includes): Remove.
3040 (push_include, free_chain, _cpp_push_next_buffer): New.
3041 (cpp_start_read): Use them to rework command line option handling.
3042 (cpp_handle_option): Combine handling of -include and -imacros.
3043 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3044 appropriate. Always insert missing \n at EOF.
3045 * cpplib.c (start_directive): Get the directive position right.
3046 * cppmain.c (cb_file_change): Always print the first line, unless
3049 2001-08-20 Andreas Jaeger <aj@suse.de>
3051 * profile.c (compute_branch_probabilities): Remove extra new-line
3053 * flow.c (verify_flow_info): Likewise.
3055 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3057 * basic-block.h (basic_block): Add new field 'flags'.
3058 (BB_REACHABLE): Define.
3059 (expunge_block): Declare.
3060 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3061 (EXIT_BLOCK_PTR): Ditto.
3062 (expunge_block): Remove static declaration.
3063 (cleanup_cfg): Clear bb->aux on every basic block.
3064 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3065 computing reachability.
3066 (delete_unreachable_blocks): Delete block b if b->flags has
3069 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3071 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3073 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * sparc.c (sparc_variable_issue): Fix typo in last change.
3077 2001-08-20 Richard Henderson <rth@redhat.com>
3079 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3081 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3083 * pa.h (RETURN_IN_MEMORY): Improve comment.
3085 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3087 * doc/invoke.texi (Profiling options): Clarify the interactions
3088 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3090 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3092 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3095 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3097 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3100 2001-08-20 Richard Henderson <rth@redhat.com>
3102 * final.c (end_final): Fix typo last change.
3104 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3106 * cppinit.c (init_standard_includes): The returned buffer
3107 is already malloc-ed.
3108 * gcc.c (add_prefix): Similarly.
3109 * prefix.c (translate_name): Update to support clear buffer
3111 (update_path): Similarly. Be sure to free any newly allocated
3112 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3114 * prefix.h (update_path): Update prototype and document.
3115 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3116 up and update to new buffer ownership rules.
3117 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3119 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3121 * final.c (compute_alignments): New function.
3122 (init_insn_lengths): Do not care label_align.
3123 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3124 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3125 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3126 (shorted_branches): Realloc label_align array; do
3127 not call init_insn_lengths; Do not care about loop alignments.
3128 * output.h (compute_alignments): Declare.
3129 * toplev.c (rest_of_compilation): Call compute_alignments.
3130 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3132 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3133 change visited to tovisit.
3134 (propagate_freq): Use faster traversing algorithm.
3135 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3136 to tovisit; reverse meaning.
3138 * predict.c (struct block_info_def): Remove nvisited.
3139 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3140 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3142 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3144 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3145 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3146 (TARGET_FUSED_MADD): New.
3147 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3148 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3149 the multiply-add instructions.
3151 2001-08-19 Richard Henderson <rth@redhat.com>
3153 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3154 is aligned to pointer size.
3156 2001-08-19 Richard Henderson <rth@redhat.com>
3158 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3159 display markers during final schedule.
3161 2001-08-19 Richard Henderson <rth@redhat.com>
3163 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3165 2001-08-19 Richard Henderson <rth@redhat.com>
3167 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3169 (ASM_NAME_TO_STRING): Remove.
3170 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3171 in the same string. Remove support for expressions.
3173 2001-08-19 Richard Henderson <rth@redhat.com>
3175 * config/i386/i386.md (tablejump): Make an expander; handle
3176 pic relative addressing here.
3177 (tablejump_1): Rename from tablejump_pic.
3180 2001-08-19 Richard Henderson <rth@redhat.com>
3182 * regclass.c (fix_register): Fix typo.
3184 2001-08-18 Richard Henderson <rth@redhat.com>
3186 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3187 (struct _Unwind_Context): Expand br_loc to hold it.
3188 (uw_frame_state_for): Handle leaf functions better.
3189 (uw_update_reg_address): Update for br_loc change.
3191 2001-08-18 Richard Henderson <rth@redhat.com>
3193 * crtstuff.c: Move list heads before code that uses them.
3194 (__JCR_LIST__): Remove initial null.
3195 (frame_dummy, __frame_dummy): Do java registration here ...
3196 (__do_global_ctors_aux): ... not here.
3198 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3199 (__do_global_dtors_aux): Update to match.
3200 (__JCR_LIST__, __do_jv_register_classes): New.
3202 * config/ia64/crtend.asm (__JCR_END__): New.
3203 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3204 instead of an indirect LTOFF22 reloc.
3206 2001-08-18 Richard Henderson <rth@redhat.com>
3208 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3209 * regclass.c (init_reg_sets_1): Fix typo.
3210 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3211 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3212 (ia64_compute_frame_size): Make ar.unat live when in use.
3213 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3214 for ar.pfs; remove ar.unat handling.
3215 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3217 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3218 * config/ia64/ia64-protos.h: Update decls.
3219 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3220 (sibcall_pic): Likewise.
3222 2001-08-18 Richard Henderson <rth@redhat.com>
3224 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3225 pred_rel_mutex when searching for insn_group_barrier.
3226 * config/ia64/ia64.md (cycle_display): Combine the expander
3229 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3230 bit before asm as needed.
3232 2001-08-18 Richard Henderson <rth@redhat.com>
3234 * timevar.def (TV_MACH_DEP): New.
3235 * toplev.c (rest_of_compilation): Use it.
3236 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3238 2001-08-18 Zack Weinberg <zackw@panix.com>
3240 * unwind-dw2.c (execute_stack_op): Add default aborts to
3241 the inner switches to prevent warnings.
3243 2001-08-18 Richard Henderson <rth@redhat.com>
3245 * timevar.h (struct timevar_time_def): Change element type to float.
3246 (ticks_to_msec, clocks_to_msec): Likewise.
3247 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3248 (get_time): Likewise.
3249 (timevar_print): Adjust zero check and printing to match.
3251 2001-08-18 Zack Weinberg <zackw@panix.com>
3253 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3254 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3255 Eliminate overfull or underfull hboxes.
3257 2001-08-18 Zack Weinberg <zackw@panix.com>
3259 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3261 2001-08-18 Zack Weinberg <zackw@panix.com>
3263 * haifa-sched.c: Convert to target hooks. Macros replaced
3264 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3265 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3266 MD_SCHED_FINISH, and HAVE_cycle_display.
3267 * target-def.h (TARGET_SCHED_ADJUST_COST,
3268 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3269 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3270 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3271 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3272 New hook #defines to be overridden.
3273 (TARGET_SCHED): Bring them all together.
3274 (TARGET_INITIALIZER): Update.
3275 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3276 instead of 'struct rtx_def *' throughout.
3277 (struct sched): New set of hooks for the scheduler.
3278 * Makefile.in (haifa-sched.o): Depend on target.h.
3279 * doc/tm.texi: Document the new scheduler hooks, together in
3280 their own section, instead of scattered around.
3281 Fix a bunch of underfull/overfull hboxes.
3283 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3284 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3285 sparc.h: Don't define any of the old scheduler macros.
3287 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3288 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3289 sparc.c: Create hook functions from code extracted from
3290 corresponding target header, or make existing hooks static, as
3291 appropriate. Set the appropriate entries in targetm.
3293 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3294 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3295 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3296 Remove prototypes for functions which are now static.
3298 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3299 related gunk; the Haifa scheduler is now the only choice.
3301 2001-08-18 Zack Weinberg <zackw@panix.com>
3303 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3304 * genopinit.c: Put floating point divide insns in sdiv_optab.
3305 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3306 * config/gofast.h, config/c4x/c4x.h,
3307 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3308 config/pa/long_double.h, config/rs6000/sysv4.h,
3309 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3310 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3311 (init_optabs): Use init_optabv for overflow-trapping optabs.
3312 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3313 cmp_optab RTX codes so have_insn_for can find them.
3315 * optabs.c (expand_simple_binop, expand_simple_unop,
3316 have_insn_for, gen_sub3_insn): New interfaces.
3317 * expr.h: Prototype new functions.
3318 (enum optab_methods): Move here from optabs.h.
3320 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3321 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3322 Use new functions instead of working directly with optabs.
3323 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3324 unroll.c: Don't include optabs.h.
3325 * caller-save.c, combine.c, function.c, stmt.c: Just include
3326 insn-codes.h, not optabs.h.
3327 * Makefile.in: Update dependencies.
3329 * combine.c (make_compound_operation, simplify_comparison):
3330 Fix typos testing for this or that instruction.
3332 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3334 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3335 generating libgcc.a.
3337 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3339 * except.c (TYPE_HASH): Delete.
3341 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3344 * tree.c (TYPE_HASH): Delete.
3346 * tree.h (TYPE_HASH): Define.
3348 2001-08-18 Graham Stott <grahams@redhat.com>
3350 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3352 (adddi3_internal_2+2): Likewise.
3353 (eh_set_lr_di+1): Likewise.
3355 2001-08-17 Richard Henderson <rth@redhat.com>
3357 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3358 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3359 * dwarf2asm.c: ... here.
3360 * dwarfout.c: Remove them.
3362 * varasm.c (assemble_integer): Add align parameter.
3363 (assemble_real, output_constant, output_constructor): Likewise.
3364 * output.h: Update decls.
3365 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3366 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3367 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3368 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3369 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3372 * final.c (end_final): Abort profile block generation if we
3373 havn't layed it out properly.
3374 * output.h (assemble_eh_integer): Remove stale decl.
3375 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3377 (assemble_integer): Handle unaligned data.
3378 (assemble_real): Abort on unaligned data.
3379 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3381 (default_dtor_section_asm_out_destructor): Use assemble_align.
3382 (default_named_section_asm_out_constructor): Likewise.
3383 (default_ctor_section_asm_out_constructor): Likewise.
3384 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3385 (machopic_asm_out_destructor): Likewise.
3386 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3387 (nextstep_asm_out_destructor): Likewise.
3388 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3389 (vms_asm_out_destructor): Likewise.
3391 2001-08-17 Richard Henderson <rth@redhat.com>
3393 * config/mips/iris6.h (TARGET_IRIX6): New.
3394 (current_section_name, current_section_flags): New.
3395 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3396 (MAX_OFILE_ALIGNMENT): New.
3397 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3398 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3399 (copy_file_data): Split out from
3400 (mips_asm_file_end): ... here.
3401 (mips_asm_file_start): Remove extra .section directive. Use
3402 tmpfile instead of mips_make_temp_file.
3403 (mips_unique_section): Use const char * as needed for warnings.
3404 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3405 re-add align parameter.
3406 (iris6_asm_named_section): New.
3407 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3408 (iris6_asm_output_align, iris6_section_align_1): New.
3409 (iris6_asm_file_start, iris6_asm_file_end): New.
3410 * config/mips/mips-protos.h: Update decls.
3412 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3414 * doc/install.texi (Install GCC): Add links to build status pages.
3416 (Final install): Ditto; request updates for specific info
3418 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3420 * cpperror.c (print_location): Don't take a file name; use the
3422 (_cpp_begin_message): Similarly.
3423 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3424 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3425 (cpp_pedwarn_with_file_and_line): Remove.
3426 * cppfiles.c (stack_include_file): Update; set filename to stdin
3427 here when appropriate.
3428 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3429 (_cpp_begin_message): Don't take a file name.
3430 * cppinit.c: Add comment.
3431 * cpplex.c: Fix end-of-directive indicator.
3432 * cpplib.c: Don't include intl.h.
3433 (run_directive, do_diagnostic): Update.
3434 (do_line): Update to not use nominal_fname.
3435 (cpp_push_buffer): Don't take a filename.
3436 * cpplib.h (struct ht): Remove.
3437 (cpp_push_buffer): Don't take a filename.
3438 (cpp_pedwarn_with_file_and_line): Remove.
3439 * cppmacro.c (struct cpp_macro): Remove file.
3440 (builtin_macro): Update.
3441 (_cpp_create_definition): Update.
3442 * cppmain.c: Correct comment.
3443 * fix-header.c (read_scan_file): Update.
3445 2001-08-17 Kazu Hirata <kazu@hxi.com>
3447 * sbitmap.c: Fix comment formatting.
3448 * sched-deps.c: Likewise.
3449 * sibcall.c: Likewise.
3450 * simplify-rtx.c: Likewise.
3452 * ssa-ccp.c: Likewise.
3453 * stor-layout.c: Likewise.
3454 * timevar.c: Likewise.
3455 * toplev.c: Likewise.
3456 * unwind-dw2.c: Likewise.
3457 * unwind-dw2-fde.c: Likewise.
3458 * varasm.c: Likewise.
3460 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3462 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3463 or larger than an integer in memory.
3465 2001-08-17 Zack Weinberg <zackw@panix.com>
3467 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3468 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3469 * rtl.h: Don't forward-declare union tree_node here. Don't
3470 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3471 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3472 and tree respectively.
3473 * tree.h: Don't forward-declare struct rtx_def here. Don't
3474 typedef tree here. Change all uses of struct rtx_def *,
3475 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3476 and tree respectively.
3478 2001-08-17 Richard Henderson <rth@redhat.com>
3480 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3481 config/mips/openbsd.h: Fix typos last change.
3483 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3485 * doc/invoke.texi (Optimize Options): The default for
3486 -finline-limit is 600.
3488 2001-08-17 Richard Henderson <rth@redhat.com>
3490 * varasm.c (text_section): Allow TEXT_SECTION to override the
3491 printing of TEXT_SECTION_ASM_OP.
3492 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3493 (DATA_SECTION, BSS_SECTION): Remove.
3494 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3495 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3496 Rename from s/_NAME//.
3497 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3498 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3499 (TEXT_SECTION): ... here. New.
3500 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3501 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3502 * config/mips/openbsd.h: Likewise.
3503 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3504 (mips_asm_file_end): Likewise test.
3505 (mips_output_function_epilogue): Likewise. Switch back to data
3506 section after emitting the function.
3508 * doc/tm.texi (Sections): Document TEXT_SECTION.
3510 2001-08-17 Richard Henderson <rth@redhat.com>
3512 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3513 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3515 2001-08-17 Richard Henderson <rth@redhat.com>
3517 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3518 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3519 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3520 Add aligned attribute.
3522 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3524 * config/sh/sh.md: Add modes to unspecs in first insn to match
3525 those in the second.
3527 * Makefile.in: Fix collect2 copy for Cygwin.
3529 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3531 Install the proper patch.
3532 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3533 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3534 (expand_function_start): Likewise.
3535 * stmt.c (expand_decl): Likewise.
3536 * varasm.c (make_decl_rtx): Likewise.
3538 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3540 * final.c: Undo my previous accidental checkin.
3541 * output.h: Likewise.
3542 * tm.texi: Likewise.
3544 2001-08-16 Richard Henderson <rth@redhat.com>
3546 * varasm.c (named_section_flags): Remove align parameter.
3547 * varasm.c, dwarf2out.c: Update all callers.
3548 * output.h: Update prototypes.
3550 * target.h (target.asm_out.named_section): Remove align parameter.
3551 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3552 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3553 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3554 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3555 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3557 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3558 (get_named_section_flags, set_named_section_flags): New.
3559 (named_section_flags): Use them.
3560 (named_section): Do decl vs section flags check here...
3561 (default_section_type_flags): ... not here.
3562 (init_varasm_once): Create in_named_htab.
3563 (resolve_unique_section): Mark reloc unused.
3565 2001-08-16 Richard Henderson <rth@redhat.com>
3567 * varasm.c (force_const_mem): Keep pool alignment in bits.
3568 (output_constant_pool): Use assemble_align.
3570 2001-08-16 Zack Weinberg <zackw@panix.com>
3572 * doc/tm.texi: Remove extra @table command.
3574 2001-08-16 Zack Weinberg <zackw@panix.com>
3576 * final.c (shorten_branches): Clear the end of the label_align
3577 array only if we made it larger. Break up messy expressions
3580 * diagnostic.c (internal_error): Check for error recursion
3581 before doing ICE suppression.
3583 * timevar.c: Timing variables now count in milliseconds.
3584 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3585 (get_time): Not here.
3586 (timevar_print): Don't print any timer whose user, cpu, and
3587 wall times are all zero as displayed.
3588 * timevar.h: Update comment aboout units. Make timevar
3591 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3593 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3594 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3595 (expand_function_start): Likewise.
3596 * stmt.c (expand_decl): Likewise.
3597 * varasm.c (make_decl_rtx): Likewise.
3599 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3601 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3602 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3604 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3606 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3609 2001-08-16 Andreas Jaeger <aj@suse.de>
3611 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3614 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3616 * rtl.h (only_sets_cc0_p): New prototype.
3617 * jump.c (sets_cc0_p): Handle INSN.
3618 (only_sets_cc0_p): New function.
3619 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3620 (tidy_fallthru_edge): Likewise.
3621 * integrate.c (copy_insn_list): Likewise.
3622 * unroll.c (unroll_loop): Likewise.
3623 (copy_loop_body): Likewise.
3625 2001-08-15 Jason Eckhardt <jle@redhat.com>
3627 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3629 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3631 * predict.c (struct block_info_def): Remove nvisited.
3632 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3633 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3635 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3636 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3639 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3641 * predict.def: Update hitrates.
3643 2001-08-15 Richard Henderson <rth@redhat.com>
3645 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3647 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3649 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3650 note from its associated jump.
3652 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3654 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3655 also on 64-bit s390x targets.
3657 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3659 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3661 (arm_expand_prologue): Handled nested functions which take a
3662 variable argument list.
3663 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3664 macro with an invocation of
3665 arm_compute_initial_elimination_offset.
3666 * config/arm/arm-protos.h: Prototype
3667 arm_compute_initial_elimination_offset.
3669 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3671 * doc/install.texi (Specific, avr): Fix markup.
3672 (Specific, c4x): Ditto.
3674 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3676 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3678 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3680 * Makefile.in (OBJS): Add rtl-error.o
3681 (rtl-error.o): New rule.
3682 (diagnostic.o): Adjust dependency.
3683 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3684 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3685 warning_for_asm): Move to...
3686 rtl-error.c: ...here. New file.
3688 2001-08-14 Richard Henderson <rth@redhat.com>
3690 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3691 if USING_SJLJ_EXCEPTIONS.
3693 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3695 * tlink.c (scan_linker_output): Check string for unsatisfied in
3696 addition to undefined and unresolved.
3698 2001-08-14 Graham Stott <grahams@redhat.com>
3700 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3701 EH_FRAME_SECTION_NAME.
3703 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3705 * genattrtab.c (simplify_test_exp_in_temp): New function.
3706 (simplify_test_exp): Avoid explicit use of temporary obstack.
3707 (simplify_cond, insert_right_side, evaluate_eq_attr,
3708 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3709 Use simplify_test_exp_in_temp.
3710 (optimize_attrs): Iterate until expression stabilizes.
3712 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3714 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3715 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3717 2001-08-13 Richard Henderson <rth@redhat.com>
3719 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3720 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3721 * config/arm/conix-elf.h: Likewise.
3723 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3725 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3727 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3729 * gcse.c (hash_scan_set): Expressions that are set as part of
3730 jump instructions are not available.
3732 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3734 * config/s390/s390.c (print_operand, s390_function_prologue,
3735 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3737 2001-08-13 Richard Henderson <rth@redhat.com>
3739 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3740 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3741 * doc/tm.texi (Exception Region Output): Document it.
3743 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3745 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3746 DWARF2 instead of stabs by default.
3748 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3750 * config/rs6000/rs6000.c: Include optabs.h.
3752 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3754 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3755 save/restore routines.
3756 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3758 2001-08-13 Andreas Jaeger <aj@suse.de>
3760 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3761 the english is correct.
3763 2001-08-13 Zack Weinberg <zackw@panix.com>
3765 * expr.h: Split out optab- and libfunc-related code to...
3766 * optabs.h, libfuncs.h: ... these new headers.
3768 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3770 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3772 * mkconfig.sh: Don't include insn-codes.h from config.h.
3774 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3775 enum insn_code is available. Move reload_in_optab and
3776 reload_out_optab array declarations to optabs.h.
3777 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3778 there, prototype in expr.h.
3779 * gencodes.c: Cleanup: zap global variables, don't use
3780 printf where puts will do, don't bother defining MAX_INSN_CODE
3781 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3783 * genemit.c, genopinit.c: Include optabs.h in generated file.
3784 * genoutput.c: Include insn-codes.h in generated file.
3785 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3786 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3787 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3788 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3789 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3790 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3792 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3793 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3794 config/m88k/m88k.c, config/sparc/sparc.c:
3796 * reload.c: Include expr.h and optabs.h before reload.h.
3797 * config/alpha/alpha.c: Include tree.h before reload.h.
3798 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3799 and reload.h in that order.
3800 * config/sparc/sparc.c: Include debug.h.
3801 * recog.c: Include insn-codes.h.
3803 2001-08-13 Andreas Jaeger <aj@suse.de>
3805 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3808 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3810 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3811 * gcc.c (init_spec): Fix typo in comment.
3812 * varasm.c (data_section): Fix typo in comment.
3814 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3816 * predict.c (dump_prediction): New argument "USED".
3817 (combine_predictions_for_insn): Determine the used heuristics,
3818 output the case no heuristic applied.
3819 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3821 2001-08-13 Andreas Jaeger <aj@suse.de>
3823 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3826 2001-08-13 Kazu Hirata <kazu@hxi.com>
3828 * jump.c: Fix formatting.
3830 2001-08-13 Kazu Hirata <kazu@hxi.com>
3832 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3835 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3837 * loop.c (check_dbra_loop): Use condjump_label to compute
3840 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3841 to better document the files they're in.
3843 2001-08-12 Zack Weinberg <zackw@panix.com>
3845 * recog.h (struct insn_operand_data): Shrink 'mode' field
3848 2001-08-12 Kazu Hirata <kazu@hxi.com>
3850 * gcc.c: Fix comment formatting.
3851 * gccspec.c: Likewise.
3854 * genemit.c: Likewise.
3855 * gengenrtl.c: Likewise.
3856 * genrecog.c: Likewise.
3857 * gensupport.c: Likewise.
3858 * ggc-page.c: Likewise.
3859 * global.c: Likewise.
3860 * graph.c: Likewise.
3861 * ifcvt.c: Likewise.
3862 * integrate.c: Likewise.
3864 * libgcc2.c: Likewise.
3866 * mbchar.c: Likewise.
3867 * optabs.c: Likewise.
3868 * predict.c: Likewise.
3869 * prefix.c: Likewise.
3870 * profile.c: Likewise.
3871 * protoize.c: Likewise.
3873 * recog.c: Likewise.
3874 * regclass.c: Likewise.
3875 * regmove.c: Likewise.
3876 * reg-stack.c: Likewise.
3877 * reload1.c: Likewise.
3878 * resource.c: Likewise.
3879 * rtlanal.c: Likewise.
3882 2001-08-12 Kazu Hirata <kazu@hxi.com>
3884 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3885 a tree representing a constant is passed to the macro.
3887 2001-08-12 Richard Henderson <rth@redhat.com>
3889 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3890 (rs6000_elf_asm_out_destructor): New.
3891 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3892 (DTORS_SECTION_ASM_OP): Remove.
3893 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3894 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3896 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3899 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3900 * gcc.c (set_collect_gcc_options): New function, split out from
3902 Ignore elided switches.
3903 (do_spec_1): Invoke before executing command.
3904 (set_input): Export.
3905 Move declaration ...
3906 * gcc.h (set_input): ... here.
3907 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3910 2001-08-12 Richard Henderson <rth@redhat.com>
3912 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3913 thinko wrt TARGET_RELOCATABLE.
3915 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3917 * fix-header.c (cb_file_change): Update prototype.
3919 2001-08-11 Zack Weinberg <zackw@panix.com>
3921 * toplev.c (set_float_handler): Make static.
3922 * toplev.h: Don't prototype set_float_handler.
3924 * simplify-rtx.c: Don't include setjmp.h.
3925 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3927 (simplify_unary_operation, simplify_binary_operation): Use them,
3928 via do_float_handler.
3930 * fold-const.c: Don't include setjmp.h.
3931 (exact_real_inverse_1): New function.
3932 (exact_real_inverse): Use it, via do_float_handler.
3934 * varasm.c: Don't include setjmp.h.
3935 (assemble_real_1): New function.
3936 (assemble_real): Use it, via do_float_handler.
3937 Call internal_error if we get a trap here.
3939 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3940 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3942 2001-08-11 Zack Weinberg <zackw@panix.com>
3944 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3945 STACK_BOUNDARY if not already defined.
3947 * calls.c, function.c, reload1.c, explow.c: Don't default
3948 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3949 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3951 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3954 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3955 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3957 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3959 * cppmacro.c (enter_macro_context): Push macro expansions even
3962 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3964 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3965 (rs6000_elf_section_type_flags): Actually return a value.
3967 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3969 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3970 Clean up code: add missing comments and prototypes, fix warnings,
3971 remove obsolete code, fix spacing to conform to coding style.
3973 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3975 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3976 and TARGET_ASM_CLOSE_PAREN.
3977 (regclass_map): CC register belongs to class NO_REGS.
3978 (legitimize_pic_address): Don't generate unnecessary moves
3979 (to avoid confusing loop optimization).
3980 (check_and_change_labels): Replace jump_long by indirect_jump.
3981 (s390_final_chunkify): Don't start a new literal pool on section
3982 switch in 64-bit code.
3983 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3985 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3986 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3987 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3989 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3990 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3991 (CONST_COSTS): Fixed incorrect costs.
3993 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3994 Use emit_jump instead of emit_jump_insn (gen_jump).
3995 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3996 (to avoid confusing flow analysis).
3997 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3998 (casesi, casesi_jump): New.
3999 (jump_long): Removed. Functionality merged into indirect_jump.
4000 (indirect_jump): Accept address_operand, not just register_operand.
4001 (cjump_long, icjump_long): Use same logic as indirect_jump.
4002 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4003 Fixed broken setjmp/longjmp handling.
4004 (do_builtin_setjmp_setup): Removed.
4006 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4007 broken GNU as versions that don't accept .quad with large
4008 negative values. Use hexadecimal output instead.
4009 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4010 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4011 FUNCTION_EPILOGUE): Removed. Now in targetm.
4013 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4015 * config/s390/fixdfdi.h: Add missing copyright statement.
4016 Fix type conflicts on 64-bit. Add missing SFmode routines.
4018 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4021 2001-08-11 Richard Henderson <rth@redhat.com>
4023 * rtl.h (REG_EH_RETHROW): Remove.
4024 * rtl.c (reg_note_name): Update.
4025 * combine.c (distribute_notes): Don't check for it.
4027 2001-08-11 Richard Henderson <rth@redhat.com>
4029 * combine.c (distribute_notes): Place REG_SETJMP.
4031 2001-08-11 Richard Henderson <rth@redhat.com>
4033 * doc/extend.texi (Arrays and pointers implementation): Discourage
4034 relying on sign-extension of pointers.
4036 2001-08-11 H.J. Lu <hjl@gnu.org>
4038 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4040 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4041 RDATA_SECTION_ASM_OP.
4043 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4045 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4046 main manual to work both for info and HTML versions.
4048 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4049 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4051 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4052 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4053 (struct cpp_pool): New member first.
4054 * cppinit.c (append_include_chain): Plug memory leaks.
4055 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4056 Allocate pragma structures from the (aligned) macro pool to
4057 avoid leaking memory.
4058 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4059 so we don't leak memory.
4060 * hashtable.c (ht_destroy): New.
4061 * hashtable.h (ht_destroy): New.
4063 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4064 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4066 * c-lex.c (map): Make const.
4067 (cb_file_change): Update for callback passing a line map.
4068 Don't assume we have a previous map. Remove sanity check
4069 about popping too many files.
4070 * cpperror.c (print_location): Make map const.
4071 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4072 (cpp_make_system_header): Similarly.
4073 (search_from): Similarly.
4074 (_cpp_execute_include): Don't remember where we came from.
4075 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4076 (struct cpp_reader): Make map const.
4077 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4078 * cpplib.c (do_line): Update; line maps now hold sysp.
4079 (cpp_push_buffer): Similarly.
4080 (_cpp_do_file_change): Similarly; callback with map instead.
4081 (cpp_get_line_maps): Constify return value.
4082 (_cpp_pop_buffer): Update.
4083 * cpplib.h (struct cpp_file_change): Remove.
4084 (struct cpp_callbacks): Update.
4085 (cpp_get_line_maps): Constify return value.
4086 * cppmacro.c (_cpp_create_definition): Update.
4087 * cppmain.c (struct printer): Constify map.
4088 (maybe_print_line): Similarly.
4089 (print_line): Similarly. Deduce flags 1 and 2 here.
4090 (cb_file_change): Update.
4091 * line-map.c (free_line_maps): Warn regardless.
4092 (add_line_map): Return pointer to const. When passed NULL to_file
4093 with LC_LEAVE, use the obvious values for the return point so the
4094 caller doesn't have to figure them out.
4095 (lookup_line): Return pointer to const.
4096 (print_containing_files): Take pointer to const.
4097 * line-map.h (struct line_map): New members reason, sysp.
4098 (add_line_map): Return pointer to const.
4099 (lookup_line): Similarly.
4100 (print_containing_files): Take pointer to const.
4102 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4103 Richard Henderson <rth@redhat.com>
4105 * regmove.c (regmove_optimize): Avoid setting a register twice in
4108 2001-08-10 Richard Henderson <rth@redhat.com>
4110 * doc/extend.texi (Arrays and pointers implementation): Document
4111 behavior of pointer/integer conversion.
4113 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4115 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4117 2001-08-10 Richard Henderson <rth@redhat.com>
4119 * doc/extend.texi (C Implementation): New chapter.
4120 * doc/gcc.texi (Top): Link it in.
4122 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4124 * doc/install.texi (Specific): Fix CVS merge botch.
4126 2001-08-10 Richard Henderson <rth@redhat.com>
4128 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4129 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4131 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4133 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4134 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4135 this macro is now required.
4137 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4138 loop.c (find_and_verify_loops), reload.c (reload): Check
4139 for rtx code of CALL_INSN, not CALL, when deciding if we
4140 need to check for REG_SETJMP note.
4142 * gcse.c (compute_hash_table, compute_store_table): Update
4143 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4146 * config/avr/avr.c: Fix typo.
4147 * config/convex/convex.c (expand_movstr): Use adjust_address.
4148 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4150 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4151 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4153 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4154 Do define STACK_BOUNDARY.
4155 * config/i370/i370.c: Include expr.h.
4156 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4157 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4158 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4159 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4160 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4161 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4162 * config/romp/romp.c: Include expr.h after tree.h.
4164 (output_fpop): Use xmalloc, not oballoc.
4165 * config/we32k/we32k.c: Include expr.h.
4167 2001-08-10 Kazu Hirata <kazu@hxi.com>
4169 * config/h8300/h8300.h: Fix formatting.
4171 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4173 * c-common.h (RETURN_NULLIFIED_P): Lose.
4174 * c-semantics.c (genrtl_return_stmt): Don't check it.
4176 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4178 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4179 (mips_annotate_frame_insn): New function.
4180 (mips_emit_frame_related_store): New function.
4181 (save_restore_insns): Don't mark instructions that set up the base
4182 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4183 the store instructions instead.
4184 (mips_expand_prologue): If the stack size is moved into a temporary
4185 register, do not mark that move as frame-related. Add a
4186 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4188 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4190 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4191 stack slot as unchanging if current_function_calls_eh_return.
4193 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4195 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4196 access the second half of the TFmode scratch operand.
4198 2001-08-10 Anthony Green <green@redhat.com>
4200 * java/class.c (emit_register_classes): Conditionalize code on
4203 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4205 * doc/install.texi (Specific, avr): Fix cross-reference to the
4206 main manual to work both for info and HTML versions.
4208 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4210 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4211 and "use_goto" argument.
4212 (expand_null_return, expand_value_return): Update all callers.
4213 * function.c (expand_function_end): Remove code to generate simple
4215 * config/vax/vax.md (epilogue): New expander for function return.
4216 * doc/md.texi (epilogue): Remove "if defined".
4218 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4220 * Makefile.in: Partially revert my previous change:
4221 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4222 of the hashtab.o and safe-ctype.o rules.
4224 2001-08-09 Richard Henderson <rth@redhat.com>
4226 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4227 (USE_COLLECT2): Remove duplicate definition.
4228 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4229 (use_collect2): Remove dead code.
4230 * configure.in (use_collect2): Remove will_use_collect2 and
4231 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4232 * configure: Rebuild.
4234 * target.h (targetm.asm_out.constructor): New.
4235 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4236 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4237 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4238 * varasm.c (in_ctors, in_dtors): New.
4239 (assemble_constructor, assemble_destructor): Remove.
4240 (default_stabs_asm_out_destructor): New.
4241 (default_named_section_asm_out_destructor): New.
4242 (dtors_section, default_dtor_section_asm_out_destructor): New.
4243 (default_stabs_asm_out_constructor): New.
4244 (default_named_section_asm_out_constructor): New.
4245 (ctors_section, default_ctor_section_asm_out_constructor): New.
4246 * output.h: Update declarations.
4247 * c-decl.c (c_expand_body): Use target hooks instead of
4248 assemble_constructor and assemble_destructor.
4249 * profile.c (output_func_start_profiler): Likewise.
4250 * objc/objc-act.c (finish_objc): Likewise.
4251 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4252 for the constructor.
4253 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4255 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4256 (DTORS_SECTION_ASM_OP): Likewise.
4257 (__CTOR_LIST__): Use attribute section when possible.
4258 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4260 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4261 ASM_OUTPUT_CONSTRUCTOR.
4263 * config/darwin.c (machopic_asm_out_constructor): New.
4264 (machopic_asm_out_destructor): New.
4265 * config/darwin-protos.h: Update declarations.
4266 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4267 (ASM_OUTPUT_DESTRUCTOR): Remove.
4268 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4269 * config/nextstep.c (nextstep_asm_out_constructor): New.
4270 (nextstep_asm_out_destructor): New.
4271 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4272 (ASM_OUTPUT_DESTRUCTOR): Remove.
4273 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4274 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4275 ASM_OUTPUT_*STRUCTOR.
4276 * config/i386/aix386ng.h: Likewise.
4278 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4279 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4280 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4281 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4282 * config/lynx.h: Likewise.
4283 * config/netware.h: Likewise.
4284 * config/psos.h: Likewise.
4285 * config/alpha/alpha-interix.h: Likewise.
4286 * config/alpha/elf.h: Likewise.
4287 * config/arc/arc.h: Likewise.
4288 * config/arm/aof.h: Likewise.
4289 * config/arm/coff.h: Likewise.
4290 * config/arm/elf.h: Likewise.
4291 * config/c4x/c4x.h: Likewise.
4292 * config/h8300/h8300.h: Likewise.
4293 * config/i386/cygwin.h: Likewise.
4294 * config/i386/djgpp.h: Likewise.
4295 * config/i386/i386-coff.h: Likewise.
4296 * config/i386/i386-interix.h: Likewise.
4297 * config/i386/sco5.h: Likewise.
4298 * config/i386/vsta.h: Likewise.
4299 * config/i386/win32.h: Likewise.
4300 * config/i960/i960-coff.h: Likewise.
4301 * config/ia64/sysv4.h: Likewise.
4302 * config/m68hc11/m68hc11.h: Likewise.
4303 * config/m68k/coff.h: Likewise.
4304 * config/m68k/mot3300.h: Likewise.
4305 * config/m88k/m88k.h: Likewise.
4306 * config/mcore/mcore-pe.h: Likewise.
4307 * config/mcore/mcore.h: Likewise.
4308 * config/mips/elf.h: Likewise.
4309 * config/mips/elf64.h: Likewise.
4310 * config/mips/iris6.h: Likewise.
4311 * config/pa/pa64-hpux.h: Likewise.
4312 * config/rs6000/sysv4.h: Likewise.
4313 * config/sh/sh.h: Likewise.
4314 * config/sparc/litecoff.h: Likewise.
4316 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4317 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4318 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4319 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4320 (ASM_OUTPUT_DESTRUCTOR): Remove.
4321 * config/a29k/a29k.c: Move include of tree.h.
4322 * config/a29k/udi.h: Delete file.
4323 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4324 (vms_asm_out_destructor): New.
4325 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4326 (EXTRA_SECTION_FUNCTIONS): Likewise.
4327 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4328 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4329 * config/c4x/c4x.c: Move include of tree.h.
4330 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4331 (clix_asm_out_destructor): New.
4332 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4333 (ASM_OUTPUT_DESTRUCTOR): Remove.
4334 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4335 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4336 (TARGET_ASM_CONSTRUCTOR): New.
4337 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4338 (sco_asm_out_constructor): New.
4339 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4340 * config/i386/svr3gas.h: Remove stack grows up code.
4341 Remove code duplicated from i386/sysv3.h.
4342 (TARGET_ASM_CONSTRUCTOR): New.
4343 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4344 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4345 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4346 (TARGET_ASM_CONSTRUCTOR): New.
4347 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4348 (m68hc11_asm_out_destructor): New.
4349 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4350 (TARGET_ASM_DESTRUCTOR): New.
4351 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4352 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4353 config/svr3.h pertaining to section manipulation.
4354 * config/m68k/dpx2g.h: Remove #if 0 code.
4355 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4356 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4357 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4358 (TARGET_ASM_CONSTRUCTOR): New.
4359 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4360 (m88k_svr3_asm_out_constructor): New.
4361 (m88k_svr3_asm_out_destructor): New.
4362 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4363 (ASM_OUTPUT_DESTRUCTOR): Remove.
4364 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4365 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4366 * config/rs6000/aix.h: Likewise.
4367 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4368 * config/mips/vxworks.h: Likewise.
4369 * config/rs6000/lynx.h: Likewise.
4370 * config/sh/elf.h: Likewise.
4371 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4372 (DTORS_SECTION_ASM_OP): New.
4373 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4374 (ASM_OUTPUT_DESTRUCTOR): Remove.
4375 * config/sparc/sol2-sld-64.h: Likewise.
4376 * config/vax/vax.c (vms_asm_out_constructor): New.
4377 (vms_asm_out_destructor): New.
4378 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4379 (ASM_OUTPUT_DESTRUCTOR): Remove.
4380 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4382 * doc/tm.texi (@node Initialization): Update.
4384 2001-08-09 Richard Henderson <rth@redhat.com>
4386 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4387 (__do_global_dtors_aux): Use gp-relative static data to avoid
4388 one dynamic relocation.
4389 (__do_frame_setup): Register Java classes.
4390 * config/alpha/crtend.asm (__JCR_END__): New.
4392 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4394 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4395 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4396 (GEN, STAGESTUFF): Add new files.
4397 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4398 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4399 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4400 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4401 as well as insn-codes.h and insn-flags.h in config.h; and no
4402 extra headers in tconfig.h and hconfig.h.
4404 * gencodes.c: Eliminate code to generate predicate declarations
4405 or #defines for md-file constants.
4406 * genconstants.c, genpreds.c: New files.
4408 * i386.md: Re-order guard expressions such that TARGET_64BIT
4409 comes first, when this permits better optimization. Add
4410 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4411 why this is desirable.
4413 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4415 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4416 (find_fde_for_dso): Remove.
4417 (_Unwind_IteratePhdrCallback): New.
4418 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4419 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4421 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4423 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4424 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4426 2001-08-09 Graham Stott <grahams@redhat.com>
4428 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4429 (vis_no_unit): Use it.
4430 (visualize_no_unit): Add the insn only if room exists.
4432 2001-08-09 Graham Stott <grahams@redhat.com>
4434 * predict.c (estimate_probability): Replace magic numbers with
4435 appropriate enumeration.
4437 2001-08-09 Graham Stott <grahams@redhat.com>
4439 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4441 (EXTRACT_FLAGS): Likewise.
4443 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4445 * config/mips/mips.c (mips_legitimate_address_p): Check for
4446 CONST_INT in last patch.
4448 2001-08-08 Anthony Green <green@redhat.com>
4450 * java/class.c (emit_register_classes): Use assemble_jcr if
4451 possible. Keep the original mechanism as a fallback.
4452 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4453 and weak symbol support.
4454 * crtstuff.c (__JCR_LIST__): Define.
4455 (__JCR_END__): Define.
4456 (_Jv_RegiserClasses): Define weak symbol if possible.
4457 (__do_global_ctors_aux): Register classes for ELF targets with
4458 weak symbol support.
4460 2001-08-08 Kazu Hirata <kazu@hxi.com>
4462 * dbxout.c: Fix comment formatting.
4463 * dependence.c: Likewise.
4465 * diagnostic.c: Likewise.
4466 * dominance.c: Likewise.
4467 * doprint.c: Likewise.
4468 * dwarf2out.c: Likewise.
4469 * dwarfout.c: Likewise.
4470 * emit-rtl.c: Likewise.
4471 * except.c: Likewise.
4472 * explow.c: Likewise.
4473 * expmed.c: Likewise.
4476 * fold-const.c: Likewise.
4477 * function.c: Likewise.
4479 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4481 * global.c (retry_global_alloc): Avoid shadowing allocno.
4483 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4485 * except.c (remove_fixup_regions): Fix typo.
4487 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4489 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4490 unsigned HOST_WIDE_INT to avoid warning.
4491 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4492 * flow.c (set_block_for_new_insns): Likewise.
4494 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4496 * sibcall.c (return_value_pseudo): New static variable.
4497 (skip_copy_to_return_value): Handle return_value_pseudo.
4498 (call_ends_block_p): Ensure that return_value_pseudo is set.
4499 (optimize_sibling_and_tail_recursive_call): Discover the
4500 load of pseudo return value in alternate exit block.
4502 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4504 * calls.c (ECF_ALWAYS_RETURN): New constant.
4505 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4506 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4507 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4508 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4509 * rtl.c (reg_note_name): New name.
4510 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4512 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4514 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4516 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4518 * alias.c (get_alias_set): Return a previously calculated
4519 alias set for a VAR_DECL.
4520 * function.c (gen_mem_addressof): Calculate the alias set before
4523 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4525 * predict.def: Set hitrates according our experimental run.
4527 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4529 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4531 2001-08-08 H.J. Lu <hjl@gnu.org>
4533 * config/mips/mips.c (mips_unique_section): New. Copied from
4536 * config/mips/mips-protos.h (mips_unique_section): New
4539 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4541 * config/mips/little.h: New. Generic little endian mips
4542 targets. Only mips*-*-linux* is converted to use it so far.
4544 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4545 (WCHAR_TYPE): Defined
4546 (WCHAR_TYPE_SIZE): Likewise.
4547 (INIT_SUBTARGET_OPTABS): Likewise.
4548 (BSS_SECTION_ASM_OP): Likewise.
4549 (SBSS_SECTION_ASM_OP): Likewise.
4550 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4551 (ASM_DECLARE_OBJECT_NAME): Likewise.
4552 (UNIQUE_SECTION): Likewise.
4553 (EXTRA_SECTIONS): Likewise.
4554 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4555 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4556 (ASM_OUTPUT_DEF): Likewise.
4557 (HANDLE_SYSV_PRAGMA): Removed.
4558 (NO_IMPLICIT_EXTERN_C): Likewise.
4559 (TARGET_MEM_FUNCTIONS): Likewise.
4560 (STARTFILE_SPEC): Likewise.
4561 (ENDFILE_SPEC): Likewise.
4562 (LIB_SPEC): Likewise.
4563 (INVOKE__main): Likewise.
4564 (CTOR_LIST_BEGIN): Likewise.
4565 (CTOR_LIST_END): Likewise.
4566 (DTOR_LIST_BEGIN): Likewise.
4567 (DTOR_LIST_END): Likewise.
4568 (SET_ASM_OP): Likewise.
4569 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4570 (ASM_OUTPUT_DEF): Likewise.
4571 (ASM_OUTPUT_IDENT): Likewise.
4573 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4574 (CPLUSPLUS_CPP_SPEC): Likewise.
4575 (ASM_APP_ON) Redefine only if not defined.
4576 (ASM_APP_OFF): Likewise.
4577 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4578 (ASM_OUTPUT_IDENT): Likewise.
4580 * config.gcc: Update tm_file for Linux/mips.
4582 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4584 * cselib.c (cselib_record_sets): If insn is predicated, turn
4585 sources into IF_THEN_ELSEs.
4587 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4588 Turn into define_insn_and_split.
4590 * sched-deps.c: Include "cselib.h".
4591 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4592 Use cselib to turn memory addresses into VALUEs.
4593 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4594 * sched-int.h (struct sched_info): New member USE_CSELIB.
4595 * sched-ebb.c (ebb_sched_info): Initialize it.
4596 * sched-rgn.c (rgn_sched_info): Likewise.
4597 * Makefile.in (sched-deps.o): Update dependencies.
4599 * cselib.h (cselib_subst_to_values): Declare.
4600 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4601 that have no value and autoincs to be handled by generating a new
4604 2001-08-08 Graham Stott <grahams@redhat.com>
4606 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4607 within fixed length SEQUENCE.
4609 2001-08-08 Graham Stott <grahams@redhat.com>
4611 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4612 (diagnostic_prefixing_rule): Likewise.
4613 (diagnostic_line_cutoff): Likewise.
4614 (diagnostic_kind_count): Likewise.
4616 2001-08-08 Graham Stott <grahams@redhat.com>
4618 * alias.c (find_base_decl): Delete redundent assignment.
4620 2001-08-08 Graham Stott <grahams@redhat.com>
4622 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4623 (abs): Uppercase and paranthesize macro parameter.
4624 (MEM_DEPENDENCY): Add whitespace.
4626 2001-08-08 Graham Stott <grahams@redhat.com>
4628 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4629 failure check for CONST_INT
4631 2001-08-08 Graham Stott <grahams@redhat.com>
4633 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4634 (libcall_dead_p): Likewise.
4636 (mark_used_regs): Constify fmt.
4637 (find_use_as_address): Likewise.
4639 2001-08-08 Graham Stott <grahams@redhat.com>
4641 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4644 2001-08-08 Graham Stott <grahams@redhat.com>
4646 * combine.c (combine_simplify_rtx): Update comment and
4647 remove erroneous test.
4649 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4651 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4652 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4653 take care to avoid multiple no-newline at EOF warnings in that
4656 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4658 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4659 (emit_library_call_value_1): Likewise.
4660 (emit_call_1): Emit REG_SETJMP note.
4661 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4663 * cselib.c (cselib_process_insn): Likewise.
4664 * flow.c (propagate_block): Likewise.
4665 * loop.c (find_and_verify_loops): Likewise.
4666 * reload.c (find_equiv_regs): Likewise.
4667 * reload1.c (reload): Likewise.
4668 * resource.c (mark_referenced_resources,
4669 mark_set_resources): Likewise.
4670 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4671 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4672 * haifa-sched.c (unlink_other_notes): Likewise.
4673 (reemit_notes): Likewise.
4674 * sched-ebb.c (sched_ebb): Likewise.
4675 * sched-rgc.c (sched_region): Likewise.
4676 * rtl.c (note_insn_name): Likewise.
4677 (reg_note_name): Add REG_SETJMP
4678 * rtl.h (reg_note): Add REG_SETJMP.
4679 (insn_note): Remove NOTE_INSN_SETJMP.
4681 * profile.c (branch_prob): Add fake edges for setjmp.
4683 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4685 * config.gcc: Quote target_cpu_default2 correctly for
4686 powerpc*-*-* targets.
4688 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4690 * cpplib.h, line-map.h: Update comments.
4691 * cppmain.c (printer_init): Move inline.
4692 (maybe_print_line, print_line): Take a map pointer.
4693 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4694 (cb_file_change): Don't use prior value of print.map.
4696 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4698 * doc/install.texi: Document fine-grained multilib configuration.
4700 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4702 * rtlanal.c (find_first_parameter_load): Call note_stores
4703 only on the instructions.
4705 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4707 * alias.c (nonlocal_mentioned_p):
4708 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4709 * calls.c (emit_call_1): Likewise.
4710 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4711 * cselib.c (cselib_process_insn): Likewise.
4712 * df.c (df_insns_modify): Likewise.
4713 * flow.c (need_fake_edge_p): Likewise.
4714 (propagate_one_insn): Likewise.
4715 * haifa-sched.c (reemit_notes): Likewise.
4716 * integrate.c (copy_insn_list): Likewise.
4717 * jump.c (delete_prior_computation): Likewise.
4718 * local-alloc.c (validate_equiv_mem): Likewise.
4719 * loop.c (scan_loop): Likewise.
4720 * predict.c (estimate_probability): Likewise.
4721 * reload.c (reload): Likewise.
4722 * sched-deps (sched_analyze): Likewise.
4723 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4724 * gcse.c (compute_hash_table): Likewise.
4725 (mark_call): Likewise.
4726 (store_killed_in_insn): Likewise.
4728 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4730 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4732 2001-08-06 Richard Henderson <rth@redhat.com>
4734 * varasm.c (assemble_gc_entry): Remove.
4735 * output.h: Likewise.
4737 2001-08-06 Richard Henderson <rth@redhat.com>
4739 * varasm.c (assemble_constructor): Take a symbol_ref and a
4740 priority instead of a bare string. Move priority handling
4741 here from cp/decl2.c.
4742 * output.h: Update decls.
4744 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4745 and assemble_destructor.
4746 * profile.c (output_func_start_profiler): Likewise.
4747 * objc/objc-act.c (finish_objc): Likewise.
4748 (build_module_descriptor): Return the symbol not the symbol name.
4750 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4752 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4753 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4754 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4755 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4756 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4757 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4759 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4761 * cpperror.c (print_containing_files): Moved to line-map.c.
4762 (print_location): line-map.c handles re-listing or otherwise.
4763 * cpphash.h (struct lexer_state): Remove next_bol.
4764 (struct cpp_buffer): Remove include_stack_listed.
4765 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4766 Remove faked buffer handling.
4767 (_cpp_do_file_change): Tweak.
4768 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4769 * cppmain.c (struct printer): Remove filename.
4770 (print_line, cb_file_change): Update accordingly.
4771 * line-map.c: Include intl.h.
4772 (init_line_maps): Initialize last_listed.
4773 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4774 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4775 (print_containing_files): New.
4776 * line-map.h (struct line_maps): New member last_listed.
4777 (print_containing_files, INCLUDED_FROM): New.
4778 * Makefile.in: Update.
4779 * po/POTFILES.in: Add line-map.c.
4781 2001-08-06 Richard Henderson <rth@redhat.com>
4783 * except.c (convert_from_eh_region_ranges_1): Never mark
4784 USE or CLOBBER insns as throwing.
4786 * expr.c (store_constructor): Don't clobber memory targets.
4788 2001-08-06 Andreas Jaeger <aj@suse.de>
4790 * profile.c (branch_prob): Remove unused variable insn.
4792 * Makefile.in (local-alloc.o): Add dependency on except.h.
4794 * local-alloc.c: Include except.h for can_throw_internal prototype.
4796 2001-08-06 Richard Henderson <rth@redhat.com>
4798 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4799 * function.c (expand_main_function): Implement it.
4800 * doc/tm.texi: Document it.
4802 2001-08-06 Stan Shebs <shebs@apple.com>
4804 * doc/install.texi: Document powerpc-*-darwin* details.
4806 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4808 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4809 (ASM_CPU_SPEC): Move back to rs6000.h
4810 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4812 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4814 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4817 * config/rs6000/linux64.h: Ditto.
4819 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4820 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4823 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4824 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4826 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4829 2001-08-05 Richard Henderson <rth@redhat.com>
4831 * local-alloc.c (update_equiv_regs): Do not move insns that
4834 2001-08-05 Jan Hubicka <jh@suse.cz>
4836 * Makefile.in (reload1.o): Add dedendancy on except.h
4837 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4839 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4840 indicating wehther edges has been cleaned up.
4841 * reload1.c: Inlucde except.h
4842 (fixup_abnormal_edges): Accept deleted insns.
4843 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4846 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4848 * cpplib.c (do_line): Correct line number after pop_buffer.
4850 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4852 PR preprocessor/3824
4853 * line-map.c: Update comments.
4854 * line-map.h: Update comments.
4855 * tradcif.y: Don't consider large numbers unsigned.
4857 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4859 PR preprocessor/3081
4860 * c-lex.c (map): New.
4861 (cb_file_change): Update map and use it.
4862 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4863 (c_lex): Update to use map.
4864 * cpperror.c (print_location): Move to using logical line numbers.
4865 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4866 (cpp_make_system_header): Similarly.
4867 (_cpp_execute_include): Stop line numbering hacks. Store the
4868 line we will return to.
4869 * cpphash.h (CPP_BUF_LINE): Remove.
4870 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4871 Add map and return_to_line.
4872 (_cpp_do_file_change): Update.
4873 * cppinit.c (cpp_start_read): Update line kludge.
4874 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4875 (trigraph_ok): Use logical line numbers for diagnostics.
4876 (skip_block_comment): Likewise.
4877 (skip_whitespace): Likewise.
4878 (skip_line_comment): Use pfile->line instead.
4879 (_cpp_lex_token): Update to use logical line numbering exclusively.
4880 Handle BOL locally. Accept new lines in directives, but keep
4881 pfile->line decremented. Diagnostics use logical lines. Update
4883 * cpplib.c (SEEN_EOL): New.
4884 (skip_rest_of_line, check_eol): Use it.
4885 (end_directive): Increase line number when accepting the newline
4886 at the end of a directive.
4887 (run_directive): Simplify.
4888 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4889 (_cpp_do_file_change): Update to take buffer line number as an
4890 argument, and store the current map in the cpp_reader. Remove
4891 line number kludges.
4892 (_cpp_do__Pragma): Restore output position after a _Pragma.
4893 (cpp_push_buffer): Don't set output line or lineno.
4894 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4895 Remove line kludge. Set output_line.
4896 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4897 (parse_arg): Use logical lines.
4898 (save_lookahead_token): Save EOFs too now.
4899 * cppmain.c (struct printer): Fix comments.
4900 (printer_init): Simplify, let caller do errors.
4901 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4902 (maybe_print_line): Simplify.
4903 (print_line): Don't print a linemarker if -P.
4904 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4905 (cb_file_change): Simplify.
4906 * line-map.h (LAST_SOURCE_LINE): Fix.
4907 (CURRENT_LINE_MAP): New.
4909 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4911 * doloop.c (doloop_modify_runtime): Properly compute number of
4912 iterations if loop was unrolled.
4914 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4915 if their CSELIB_VAL_PTRs are.
4917 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4918 (setup_spill_pointers): Initialize it.
4919 (spill_restore_mem): Set it.
4920 (do_spill, do_restore): Use it to add REG_INC note.
4921 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4923 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4924 asms if other insns are available.
4926 * config/ia64/ia64.c (condop_operator): New predicate.
4927 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4928 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4931 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4932 temporary register than directly using a MEM.
4934 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4936 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4937 parameter in last change.
4939 2001-08-04 Zack Weinberg <zackw@panix.com>
4941 * sparc.md: Don't use #if inside C test expression.
4943 2001-08-04 Richard Henderson <rth@redhat.com>
4945 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4947 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4949 * cpphash.h (struct cpp_reader): New member directive_line.
4950 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4951 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4952 do_pragma): Pass line to callbacks.
4953 (start_directive): Record line of directive.
4954 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4955 cb_include): Similarly.
4956 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4959 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4961 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4964 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4966 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4968 * reload1.c (fixup_abnormal_edges): New static function.
4971 * flow.c (need_fake_edge_p): New function.
4972 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4973 avoid call insn to be very last insn in the insn stream.
4975 * profile.c (branch_prob): Call flow_call_edges_add instead of
4976 doing that by hand; cleanup cfg to re-merge basic blocks once
4979 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4981 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4982 are also on line-map.h.
4983 * cppfiles.c (stack_include_file): Update.
4984 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4985 (_cpp_pop_buffer): New.
4986 * cppinit.c (cpp_destroy, cpp_finish): Update.
4987 (do_includes): Mark each buffer to return at EOF.
4988 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4989 return as requested.
4990 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4991 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4992 * cpplib.h (cpp_pop_buffer): Remove.
4993 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4994 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4996 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4998 (do_preprocessing): Update.
4999 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5000 * c-parse.in (_yylex): Similarly.
5001 * scan-decls.c (scan_decls): Similarly.
5002 * line-map.h: Update comments.
5004 * objc/Make-lang.in (objc-act.o): Update dependencies.
5006 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5008 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5009 and soft register for operand 0.
5010 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5012 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5014 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5015 register for operand 0.
5016 ("bitcmpqi_z_used"): Allow memory for operand 0.
5017 (split "bitcmpqi"): New split to handle address reg as operand 1.
5019 2001-08-04 Andreas Jaeger <aj@suse.de>
5021 * gcse.c: Revert Daniel's last patch.
5023 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5025 * sparc-protos.h: Add prototypes for fp_zero_operand and
5027 * sh-protos.h: Add prototype for fpul_operand.
5029 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5031 * doc/extend.texi (Other Builtins): Fix typo in last change.
5033 2001-08-03 Richard Henderson <rth@redhat.com>
5035 * target.h (gcc_target): Add asm_out.named_section,
5036 section_type_flags, have_named_sections.
5037 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5038 (TARGET_HAVE_NAMED_SECTIONS): New.
5039 (TARGET_SECTION_TYPE_FLAGS): New.
5041 * Makefile.in (toplev.o): Depend on TARGET_H.
5042 (varasm.o, dbxout.o): Likewise.
5043 * c-common.c (decl_attributes): Check targetm.have_named_sections
5044 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5045 * dbxout.c (dbxout_function_decl): Likewise.
5046 (dbxout_function_end): Likewise.
5047 * toplev.c (compile_file): Likewise.
5048 * varasm.c (exception_section): Likewise.
5049 * cp/decl2.c (finish_objects): Likewise.
5051 * defaults.h (EH_FRAME_SECTION): Remove.
5052 (EH_FRAME_SECTION_ASM_OP): Remove.
5053 (EH_FRAME_SECTION_NAME): New.
5054 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5055 (UNIQUE_SECTION_P): Remove.
5056 * dwarf2out.c (SECTION_FORMAT): Remove.
5057 (ASM_OUTPUT_SECTION): Remove.
5058 (output_call_frame_info): Use named_section_flags.
5059 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5060 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5061 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5062 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5063 (named_section_flags): New.
5064 (named_section): Use it and targetm.section_type_flags.
5065 (resolve_unique_section): New.
5066 (assemble_start_function): Use it.
5067 (asm_emit_uninitialised, assemble_variable): Likewise.
5068 (default_section_type_flags): New.
5069 (default_no_named_section, default_elf_asm_named_section): New.
5070 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5071 * output.h: Update varasm.c decls.
5072 (SECTION_*): New flags.
5074 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5075 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5077 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5078 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5079 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5080 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5081 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5082 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5083 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5084 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5085 * config/pa/pa64-hpux.h,
5087 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5088 (TARGET_ASM_NAMED_SECTION): New.
5089 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5090 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5091 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5092 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5093 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5094 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5095 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5096 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5097 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5098 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5099 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5100 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5101 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5102 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5103 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5104 * config/sparc/sysv4.h: Likewise.
5106 * config/nextstep.h: Error until named sections implemented.
5108 * config/a29k/a29k.c (a29k_asm_named_section): New.
5109 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5110 (vms_section_type_flags, vms_asm_named_section): New.
5111 * config/arm/arm.c (arm_elf_asm_named_section): New.
5112 * config/avr/avr.c (asm_output_section_name): Remove.
5113 * config/avr/avr-protos.h: Update.
5114 * config/c4x/c4x.c (c4x_asm_named_section): New.
5115 * config/h8300/h8300.c (h8300_asm_named_section): New.
5116 * config/i386/i386.c (sco_asm_named_section): New.
5117 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5118 (i386_pe_section_type_flags): New.
5119 (i386_pe_asm_named_section): New.
5120 * config/i386/i386-protos.h: Update.
5121 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5122 * config/mcore/mcore.c (mcore_asm_named_section): New.
5123 * config/mips/mips.c (iris6_asm_named_section): New.
5124 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5125 instead of UNIQUE_SECTION_P.
5126 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5127 (xcoff_asm_named_section): New.
5128 * config/sh/sh.c (sh_asm_named_section): New.
5129 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5131 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5132 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5133 (EH_FRAME_SECTION_NAME): New.
5134 (EXCEPTION_SECTION): New.
5135 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5136 (DEBUG_*_SECTION): Remove.
5137 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5138 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5139 (EH_FRAME_SECTION_ASM_OP): Remove.
5141 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5142 (ASM_OUTPUT_SECTION_NAME): Remove.
5143 (TARGET_ASM_NAMED_SECTION): New.
5144 (TARGET_HAVE_NAMED_SECTIONS): New.
5145 (TARGET_SECTION_TYPE_FLAGS): New.
5146 (EH_FRAME_SECTION_ASM_OP): Remove.
5147 (EH_FRAME_SECTION_NAME): New.
5149 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5151 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5152 for complex expressions when cfun == 0.
5153 * doc/extend.texi: Document that __builtin_constant_p can be
5154 used in data initializers as well as functions.
5156 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5158 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5159 variable I locally, instead of expecting a declaration in the
5162 2001-08-03 Richard Henderson <rth@redhat.com>
5164 * except.c (collect_one_action_chain): Add an explicit cleanup
5165 action if regions surrounding a catch were encoded entirely
5166 within the call-site entry.
5168 2001-08-03 Richard Henderson <rth@redhat.com>
5170 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5171 don't take REGNO of a non-register.
5173 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5175 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5176 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5177 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5178 (__gthread_mutex_init_function): New function for mutex initialization.
5180 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5182 * Makefile.in: Revert screwed up commit.
5184 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5186 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5187 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5188 merged by linker script to get a final _exit().
5189 (__do_global_dtors): New for destructor handling in specific exit
5191 (__do_global_ctors): New for constructors in specific install section.
5192 (__map_data_section): Map data sections before running constructors.
5193 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5194 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5195 (DTORS_SECTION_ASM_OP): Likewise.
5196 (CTORS_SECTION_FUNCTION): Define to force a reference to
5198 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5200 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5202 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5204 * Makefile.in: Add df.h to gcse.c dependencies.
5206 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5208 * varasm.c (output_constant_def_contents): Use for the length of a
5209 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5210 depending on which is larger.
5212 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5214 * gcse.c: Include df.h for use as a dataflow analyzer.
5216 Declaration of reg_set_info: gone.
5217 New df_analyzer variable used by store motion.
5218 (reg_set_info): Deleted.
5219 (mark_mem_regs): New function, analyze regs used by a mem.
5220 (store_ops_ok): Use dataflow analyzer results to determine if
5221 necessary regs are changed in the block.
5222 (find_moveable_store): Remove check for symbol ref, we can handle
5223 much more complex expressions now.
5224 (compute_store_table): Remove most of the code, it's unnecessary
5225 now that the dataflow analyzer records the info for us.
5226 (store_killed_after): Add parameter to say whether to do the
5227 store_ops_okay test, used to speed up testing when we already know
5228 the answer, and just want to know if the store itself was killed.
5229 (build_store_vector): Largely rewritten to calculate the various
5230 vectors properly, and somewhat optimized.
5231 (store_motion): Init the df_analyzer, get REG_DEF chains.
5232 Also handle trapping expressions (since mems almost always trap)
5233 (simple_mem): Redefine what a simple mem is.
5235 2001-08-03 DJ Delorie <dj@redhat.com>
5237 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5238 set from a constant part of the condition.
5240 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5242 * mkdeps.c (deps_add_default_target): Make local variable
5243 ``start'' a const char pointer.
5244 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5246 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5248 * doc/install.texi (Configuration): Fix markup.
5249 (Specific, i?86-*-udk): Likewise.
5250 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5252 Document --enable-threads and --enable-libgcj status.
5253 (Specific, mips-sgi-irix*): Canonicalize triples.
5254 (Specific, mips-sgi-irix5): Warn about problems with this config.
5255 Mention required GNU as patch.
5256 Native assembler problems are fixed.
5257 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5258 Document --enable-threads and --enable-libgcj status.
5260 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5262 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5265 2001-08-03 Richard Henderson <rth@redhat.com>
5267 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5270 2001-08-03 Richard Henderson <rth@redhat.com>
5272 * rtlanal.c (find_first_parameter_load): Stop if we
5273 reach a CODE_LABEL at BOUNDARY.
5275 2001-08-03 Richard Henderson <rth@redhat.com>
5277 * config/alpha/alpha.md (force_movdi): New insn.
5278 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5279 Tweek FRP marking of VMS prologue insns.
5280 * config/alpha/vms.h (EPILOGUE_USES): New.
5282 2001-08-02 Richard Henderson <rth@redhat.com>
5284 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5286 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5288 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5289 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5290 config/convex/convex.h, config/d30v/d30v.c,
5291 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5292 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5293 config/mips/mips.h, config/mn10200/mn10200.h,
5294 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5295 config/v850/v850.h, config/vax/openbsd.h,
5296 config/vax/openbsd1.h, config/vax/ultrix.h,
5297 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5298 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5299 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5300 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5301 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5302 in comments and documentation.
5304 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5308 * Makefile.in (line-map.o): New.
5309 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5310 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5311 * cpperror.c (print_containing_files): Similarly.
5312 (print_location): Update. Don't output a space before _Pragma.
5313 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5314 (stack_include_filee, cpp_make_system_header): Update.
5315 (_cpp_execute_include): Get logical line number right for calling
5316 as-yet-unterminated #include.
5317 * cpphash.h (struct cpp_reader): Add line_maps.
5318 (_cpp_do_file_change): Update.
5319 * cppinit.c (cpp_create_reader): Initialize line maps.
5320 (cpp_destroy): Destroy line maps.
5321 (cpp_start_read): Get logical line number right.
5322 * cpplex.c (parse_string): Only warn once for multi-line strings.
5323 Use boolean variable for null warning.
5324 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5326 (do_include_common): End the directive early.
5327 (do_line): Don't warn about out-of-range lines in preprocessed
5328 source. Update. Remove unused variables.
5329 (_cpp_do_file_change): Update for new line mapping.
5330 (pragma_cb): New typedef.
5331 (cpp_register_pragma): Stop looking ahead before calling the
5333 (do_pragma_system_header): End directive early.
5334 (cpp_get_line_maps): New.
5335 (cpp_pop_buffer): Fudge logical line. Update.
5336 * cpplib.h: Include line-map.h
5337 (enum cpp_fc_reason): Remove.
5338 (struct cpp_file_change): Update.
5339 (cpp_get_line_maps): New.
5340 * cppmain.c (struct_printer): New member map.
5341 (cb_file_change): Update for new mappings.
5342 * fix-header.c (cb_file_change): Similarly.
5344 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5346 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5347 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5349 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5351 * config/vax/vax.c: include expr.h.
5353 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5355 * Makefile.in ($(srcdir)/configure): Only rebuild in
5357 ($(srcdir)/config.in): Only define in maintainer mode.
5358 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5360 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5362 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5364 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5366 * gcc.c (set_collect_gcc_options): New function, split out from
5368 Ignore elided switches.
5369 (do_spec_1): Invoke before executing command.
5370 (set_input): Export.
5371 Move declaration ...
5372 * gcc.h (set_input): ... here.
5373 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5376 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5379 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5381 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5383 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5385 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5386 for the unnamed instructions it expands to.
5388 2001-08-02 Richard Henderson <rth@redhat.com>
5390 * regclass.c (call_really_used_regs): Conditionally define.
5391 (init_reg_sets_1): Don't use it if not defined.
5392 (fix_register): Similarly, don't set it.
5394 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5396 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5397 Correct comment that had been missed in the previous change.
5399 2001-08-01 Stan Shebs <shebs@apple.com>
5401 * config/darwin.c (machopic_stub_name): Try matching by name.
5402 (update_stubs): New function.
5403 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5406 2001-08-01 Richard Henderson <rth@redhat.com>
5408 * except.c (output_function_exception_table): Use assemble_align.
5409 * varasm.c (assemble_eh_label): Remove.
5410 (assemble_eh_align, assemble_eh_integer): Remove.
5412 2001-08-01 Robert Lipe <robertl@caldera.com>
5414 * dwarfout.c: Remove reference to README.DWARF.
5416 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5418 * regclass.c (call_really_used_regs): New array for registers which
5419 are actually used by a call.
5420 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5422 (fix_register): Set call_really_used too.
5423 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5424 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5426 2001-08-01 Richard Henderson <rth@redhat.com>
5428 * read-rtl.c (read_name): Consider \r whitespace.
5430 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5432 * config.gcc: Recognize powerpc-*-netbsd*.
5434 * doc/install.texi (Host/target specific installation notes for
5435 GCC): Mention powerpc-*-netbsd*.
5437 * config/rs6000/netbsd.h: New file.
5438 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5439 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5440 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5441 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5442 (TARGET_VERSION): Redefine.
5444 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5445 mcall-netbsd as a match for mcall-sysv.
5446 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5447 (ncrti.S, ncrtn.S): New targets.
5448 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5450 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5451 "netbsd' as a V4 ABI.
5452 (ASM_SPEC): Check for -mcall-netbsd.
5453 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5454 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5455 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5456 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5457 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5458 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5459 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5461 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5462 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5464 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5466 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5467 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5468 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5469 including "unwind-pe.h".
5471 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5473 * rs6000.md (define_splits): Kill unused constraints.
5475 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5476 Jan Hubicka <jh@suse.cz>
5478 * function.c (thread_prologue_and_epilogue_insns): Kill code
5479 dealing with non-existent CFG.
5481 2001-08-01 Kazu Hirata <kazu@hxi.com>
5483 * alias.c: Fix comment formatting.
5484 * bitmap.c: Likewise.
5485 * builtins.c: Likewise.
5486 * calls.c: Likewise.
5487 * c-common.c: Likewise.
5488 * c-decl.c: Likewise.
5489 * c-dump.c: Likewise.
5490 * c-lex.c: Likewise.
5491 * collect2.c: Likewise.
5492 * combine.c: Likewise.
5493 * conflict.c: Likewise.
5494 * cppfiles.c: Likewise.
5495 * cppinit.c: Likewise.
5496 * cpplex.c: Likewise.
5497 * cpplib.c: Likewise.
5498 * cppmacro.c: Likewise.
5499 * cppspec.c: Likewise.
5500 * c-pragma.c: Likewise.
5501 * crtstuff.c: Likewise.
5503 * cselib.c: Likewise.
5504 * c-semantics.c: Likewise.
5505 * c-typeck.c: Likewise.
5507 2001-08-01 H.J. Lu <hjl@gnu.org>
5509 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5511 2001-08-01 H.J. Lu <hjl@gnu.org>
5513 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5515 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5517 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5518 contextualizing Objective-C class name lookup by the lexer.
5519 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5521 (protocoldef): Add support for forward @protocol declarations.
5522 (yylexname): Suppress ObjC class name lookup in certain contexts;
5523 re-enable after lookup is complete.
5524 (_yylex): Re-enable ObjC class name lookup when certain
5525 punctuation marks are seen.
5527 * objc/objc-act.c (check_protocol_recursively): New function used
5528 for finding circular dependencies in protocols.
5529 (objc_declare_protocols): New function for handling forward
5530 @protocol declarations.
5531 (receiver_is_class_object): Detect the case when 'self' is used
5532 inside of a class method.
5533 (build_message_expr): Issue a warning if class method is desired
5534 but instance method is found instead.
5535 (conforms_to_protocol): Streamline.
5536 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5537 protocol Foo, even if 'Bar foo' does not.
5538 (check_protocols): Streamline.
5539 (start_protocol): Add checks for circular and duplicate protocol
5541 (encode_aggregate_within): For typedefs of structs, encode the
5543 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5544 (objc_declare_protocols): New prototype.
5546 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5548 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5549 * cpplex.c (handle_newline): Update prototype. Maintain logical
5551 (skip_escaped_newlines, skip_block_comment, parse_string):
5553 (_cpp_lex_token): Update, and store token position within the token.
5554 * cpplib.h (struct cpp_token): Add line and column entries.
5555 * cppmacro.c (replace_args): Position stringified tokens correctly.
5557 2001-08-01 Andreas Jaeger <aj@suse.de>
5559 * basic-block.h: Add prototype for last_loop_beg_note.
5561 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5563 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5564 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5566 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5567 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5568 expand_decl_cleanup.
5569 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5571 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5572 operand while calling simple_cst_equal.
5573 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5574 operand is the cleanup expression, the third is the RTL_EXPR.
5575 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5577 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5579 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5581 2001-07-31 matthew green <mrg@eterna.com.au>
5583 * config.gcc (i386-*-netbsdelf): New description.
5584 * config/i386/netbsd-elf.h: New file.
5586 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5588 * loop.c (check_dbra_loop): Use single_set to compute
5591 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5593 PowerPC reorg and support for powerpc64-*-linux*.
5595 Also fixes emitting of constants on 32 bit and 64 bit
5598 * config.gcc: powerpc64-*-linux* is a new target.
5599 Things that needed aix.h now also include xcoff.h
5601 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5603 Move AIX specific stuff into aix.h.
5604 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5605 with more than just XCOFF now.
5606 (SET_ASM_OP): Remove, now defined where needed.
5607 (FUNCTION_PROLOGUE): New macro definition.
5608 (FUNCTION_EPILOGUE): New macro definition.
5609 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5611 * config/rs6000/xcoff.h: New file.
5613 * config/rs6000/linux64.h: New file.
5615 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5617 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5619 * rs6000.c (print_operand_address): Handle ELF syntax.
5620 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5621 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5622 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5624 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5626 * rs6000.c (rs6000_override_options): Only disable
5627 flag_function_sections for XCOFF.
5628 (exact_log2_cint_operand): New predicate.
5629 (reg_or_{add,sub}_cint64_operand): New predicates.
5630 (add_operand): Compare CONST_INT with fewer function calls.
5631 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5632 (print_operand, case 'p'): Ensure positive operand.
5633 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5634 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5635 (PREDICATE_CODES): Add new predicates.
5636 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5637 (divsi3, modsi3): Ensure positive power-of-2.
5638 (adddi3): Use new predicate. Split 32-bit constants more
5639 correctly. Re-arrange splitter to handle any constant.
5640 (subdi3): Use new predicate.
5641 (divdi3, moddi3): Ensure positive power-of-2.
5642 (movdi): Use rs6000_emit_set_const.
5643 (load_toc_v4_pic_di): Delete.
5645 2001-07-31 Graham Stott <grahams@redhat.com>
5647 * function.c (pad_below): Revert 2001-07-26 patch.
5649 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5651 * reg-stack (convert_regs_1): Fix best edge condition.
5653 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5655 * jump.c (duplicate_loop_exit_test): Better test for jumps
5656 entering the loop; create loop pre_header.
5658 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5660 * doc/install.texi: Add s390 and s390x as new targets.
5661 * doc/invoke.texi: Add documantation of S/390 and zSeries
5663 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5665 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5667 * config/m68k/m68k.md: Replace all general_operand with
5668 nonimmediate_operand for all destinations.
5669 * config/m68k/m68k.c (not_sp_operand): Likewise.
5671 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5673 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5675 2001-07-30 Richard Henderson <rth@redhat.com>
5677 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5678 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5680 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5682 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5683 Add missing doc strings
5684 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5685 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5687 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5689 * i386.c (ix86_output_main_function_alignment_hack): New function.
5690 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5692 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5693 edges by EDGE_DFS_BACK flag.
5694 (dump_edge_info): Add dfs_back flag.
5695 * basic-block.h (EDGE_DFS_BACK): New constant.
5696 (mark_dfs_back_edges): Declare.
5697 * alias.c (loop_p): Remove.
5698 (mark_constant_function): Use mark_dfs_back_edges.
5700 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5701 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5702 (compensate_edge): Break out from ...
5703 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5704 (convert_regs_2): Set block_done once block is really done;
5705 Do updating of the predecesors counts.
5707 * toplev.c (rest_of_compilation): Recompute block_for_insn
5708 before post-reload cfg_cleanup.
5709 * function.c (thread_prologue_epilogue_insns):
5710 Call set_block_for_new_insns when emitting prologue directly.
5712 2001-07-30 Andreas Jaeger <aj@suse.de>
5714 * jump.c: Add prototype for mark_modified_reg.
5716 * cse.c (set_live_p): Add unused attribute.
5718 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5720 (scan_for_source_files): Use long for count to avoid overflow.
5721 (output_data): Likewise.
5722 (output_data): Don't use string concatatenation to silence gcc
5725 * predict.c: Fix typos and grammar.
5727 * gcse.c (insert_insn_end_bb): Remove unused variables.
5729 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5731 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5732 (attempt_auto_inc): LIkewise.
5733 (mark_used_reg): Likewise.
5734 (try_pre_increment_1): Likewise.
5735 * regclass.c (regclass): Likewise.
5736 * global.c (allocno_compare): Update comment; change scaling factor.
5737 * local-alloc.c (QTY_CMP_PRI): Likewise.
5738 * regs.h (REG_FREQ_FROM_BB): New.
5739 (REG_FREQ_MAX): Likewise.
5741 2001-07-30 H.J. Lu <hjl@gnu.org>
5743 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5746 2001-07-30 H.J. Lu (hjl@gnu.org)
5748 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5749 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5750 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5752 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5754 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5755 as -mthumb-interwork when -mcpu=arm7 is specified.
5757 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5759 * predict.def (noreturn, loop branch, loop exit): Mark as first
5762 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5764 * combine.c (try_combine): Avoid barrier after noop jumps.
5766 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5768 * cpphash.h (struct cpp_reader): Remove import_warning.
5769 * cpplib.c (skip_rest_of_line): Don't bother turning off
5771 (parse_include): Move include handling to...
5772 (do_include_common): ... here. Move import warning from...
5773 (do_import): ... here.
5774 (do_pragma_poison): Don't do a callback for poison identifiers.
5775 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5776 * cppmain.c (setup_callbacks): Similarly.
5778 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5780 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5781 handle multiple sets.
5782 * except.c (sjlj_mark_call_sites): .... here.
5783 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5785 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5787 Suggested by Richard Henderson and Richard Kenner:
5788 * combine.c (recog_for_combine): Use the fake recog
5789 only if instruction does not match.
5790 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5791 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5793 * combine.c (try_combine): Discover noop jump as direct jump.
5795 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5797 * df.c (df_rd_global_compute): Add successors to worklist, not
5799 (df_ru_global_compute): Ditto.
5801 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5803 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5804 increment REG_N_SETS.
5806 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5808 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5810 * sbitmap.c (sbitmap_a_xor_b): New function.
5811 ifdef the basic block stuff on IN_GCC.
5813 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5815 * cppexp.c (parse_defined): Always record the macro name.
5816 (lex): Don't worry about identifiers, or special-case
5818 (_cpp_parse_expr): Figure out at the end of the routine
5819 whether we saw a valid !defined() expression.
5820 * cppfiles.c (stack_include_file): Update for mi_valid.
5821 (_cpp_pop_file_buffer): Similarly.
5822 * cpplex.c (_cpp_lex_token): Similarly.
5823 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5824 mi_if_not_defined, mi_lexed): Remove.
5826 * cpplib.c (do_if): Simplify.
5827 (do_endif, push_conditional, _cpp_handle_directive): Update
5828 for renaming of mi_state to mi_valid.
5830 * cpp.texi: Add index entries for digraphs, and add comment
5831 that C++ refers to them as alternative tokens.
5833 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5835 * basic-block.h (CLEANUP_PRE_LOOP): New.
5836 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5837 * sibcall.c (optimize_sibling_calls): Likewise.
5838 * toplev.c (rest_of_compilation): Likewise.
5839 * flow.c (try_forward_edges): Take argument MODE;
5840 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5841 (try_optimize_cfg): Update call of try_forward_edges.
5843 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5844 Jan Hubicka <jh@suse.cz>
5846 * (validate_replace_rtx_1): Fix simplification of MINUS.
5848 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5850 PR preprocessor/3669
5851 * cppinit.c (init_dependency_output): Turn off dump requests
5852 if sending dependencies to stdout.
5854 2001-07-28 Richard Henderson <rth@redhat.com>
5856 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5859 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5861 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5863 2001-07-28 Kazu Hirata <kazu@hxi.com>
5865 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5866 is VAR_DECL first to prevent an ICE.
5868 2001-07-28 Richard Henderson <rth@redhat.com>
5870 * varasm.c (immed_real_const_1): Don't elide special cases for
5872 (clear_const_double_mem): Clear const_tiny_rtx too.
5874 2001-07-28 Richard Henderson <rth@redhat.com>
5876 * dwarf2out.c (dw_val_class_offset): New.
5877 (struct dw_ranges_struct, dw_ranges_ref): New.
5878 (ranges_table, ranges_table_allocated): New.
5879 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5880 (add_AT_offset, add_ranges, output_ranges): New.
5881 (print_die, output_die): Handle dw_val_class_offset.
5882 (attr_checksum, size_of_die, value_format): Likewise.
5883 (gen_lexical_block_die): Handle non-contiguous blocks.
5884 (gen_block_die): Likewise.
5885 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5886 if needed. Dump the ranges table.
5887 * final.c (final_start_function): Remove unnecessary notes and
5888 rebuild the block tree before numbering the blocks.
5889 * function.c (reorder_blocks_0): Walk the existing block tree
5890 to unmark all blocks.
5891 (reorder_blocks_1): Create block fragments when duplicate block
5893 (reorder_fix_fragments): New.
5894 (reorder_blocks): Call it.
5895 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5897 2001-07-28 Richard Henderson <rth@redhat.com>
5899 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5901 2001-07-28 Richard Henderson <rth@redhat.com>
5903 * flow.c (add_to_mem_set_list): New function.
5904 (init_propagate_block_info): Use it.
5905 (mark_set_1): Likewise.
5906 (insn_dead_p): Canonicalize memory address for dead store
5907 comparison. Allow wider mode stores to kill narrower mode stores.
5908 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5909 (invalidate_mems_from_set): Don't handle MEMs.
5911 2001-07-28 Kazu Hirata <kazu@hxi.com>
5913 * config/h8300/h8300.h: Fix formatting.
5915 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5917 * basic-block.h (EDGE_FREQUENCY): New macro.
5918 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5920 * flow.c (find_sub_basic_blocks): Likewise.
5921 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5922 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5924 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5925 (HITRATE): New macro.
5926 (PRED_FLAG_FIRST_MATCH): New constant.
5927 (predictor_info): New field flgags.
5928 (combine_predictions_for_insn): Use DS theory to combine
5929 probabilities; set the edge probabilities when finished.
5930 (estimate_probability): Avoid duplicated matches
5931 of LOOP_BRANCH heuristics for nested loops; update comment.
5932 * predict.def: Add flags for each prediction, set probabilities
5933 according to B&L paper.
5934 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5936 * profile.c (compute_branch_probabilities): Cleanup way the edge
5937 probabilities are computed and REG_BR_PROB notes are dropped; if
5938 values does not match, emit error.
5939 (init_branch_prob): Do error instead of warning when profile driven
5940 feedback is missing or corrupt.
5942 2001-07-27 DJ Delorie <dj@redhat.com>
5944 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5945 against a constant, try to adjust the compare to have the desired
5946 constant in it so that min/max optimizations happen more often.
5948 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5950 * flow.c (last_loop_beg_note): New function.
5951 (redirect_edge_and_branch): Use it.
5952 (split_edge): Likewise.
5954 * alias.c (loop_p): Avoid uninitialized memory access.
5956 * flow.c (try_forward_edges): Avoid accessing freed memory.
5958 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5961 2001-07-26 Andrew Haley <aph@redhat.com>
5962 Joern Rennecke <amylaar@redhat.com>
5964 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5965 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5966 (SUBTARGET_CPP_SPEC): New.
5968 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5969 (SUBTARGET_CPP_PTR_SPEC): New.
5970 (CPP_DEFAULT_CPU_SPEC): New.
5971 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5972 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5973 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5974 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5975 (SUBTARGET_CPP_SPEC): Define as an empty string.
5977 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5979 * doc/install.texi (Configuration): Properly link the host
5980 specific instructions also when generating HTML.
5982 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5984 * flow.c (redirect_edge_and_branch_force): Test
5985 target->global_live_at_start.
5987 2001-07-26 Richard Henderson <rth@redhat.com>
5989 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5990 * rtl.h (avoid_constant_pool_reference): Declare it.
5991 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5992 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5994 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5996 * rtl.h (cleanup_barriers): Declare.
5997 * jump.c (cleanup_barriers): New function.
5998 * toplev.c (rest_of_compilation): Call cleanup_barriers
5999 before loop optimizer and after bb_reorder.
6001 * flow.c (back_edge_of_syntactic_loop_p): New.
6002 (split_edge): Use it.
6004 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6006 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6008 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6010 * cse.c (cse_process_notes): Replace any registers if the address
6013 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6015 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6016 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6017 (propagate_block): Update prototype.
6018 * flow.c (update_life_info): Simplify the CFG and
6019 recalculate the global regs which are alive when
6020 removing dead code during a global update.
6021 (propagate_block): Return non-zero if an INSN is
6024 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6026 * Makefile.in (LIBICONV): Define.
6028 2001-07-26 Catherine Moore <clm@redhat.com>
6030 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6031 of conditional to avoid tree checking errors.
6033 2001-07-26 Kazu Hirata <kazu@hxi.com>
6035 * regmove.c (regmove_optimize): Don't replace a reg with
6036 another reg of a different mode.
6038 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6040 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6041 limit length of dependancy flush list.
6042 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6043 * sched-int.h (struct deps): Add pending_flush_length field.
6044 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6045 has 1 element in it.
6046 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6047 (sched_analyze): After a jump, if the pending memory flush list is too
6048 large, flush the pending lists.
6049 (init_deps): Initialize pending_flush_length to 0.
6050 * doc/invoke.texi (max_pending_list_length): Document parameter.
6052 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6054 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6055 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6056 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6058 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6060 * cpphash.h (struct_lexer_state): Delete was_skipping.
6061 Move skipping here from struct cpp_reader.
6062 * cpplex.c (parse_identifier): Update.
6063 (_cpp_lex_token): Don't skip tokens in a directive.
6064 * cpplib.c (struct if_stack): Update.
6065 (start_directive, end_directive): Don't change skipping state.
6066 (_cpp_handle_directive): Update.
6067 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6068 (do_else, do_endif): Update; only check for excess tokens if not
6069 in a skipped conditional block.
6070 (push_conditional): Update for new struct if_stack.
6072 2001-07-26 Graham Stott <grahams@redhat.com>
6074 * function.c (locate_and_pad_parm): Also pad initial offset
6075 so that the total argument size also includes the padding.
6077 2001-07-26 Graham Stott <grahams@redhat.com>
6079 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6080 change XSTR to XTMPL.
6082 (process_one_cond_exec): Likewise
6084 2001-07-25 Richard Henderson <rth@redhat.com>
6086 * varasm.c (assemble_variable): Create DECL_RTL before setting
6089 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6091 * predict.c (estimate_probability): Avoid duplicated predictions.
6093 * loop.c (find_and_verify_loops): Grok multiple barriers.
6095 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6097 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6099 * dbxout.c: Consistently use putc instead of fputc.
6100 (print_wide_int): New function; call instead of direct fprintf.
6101 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6102 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6103 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6104 (print_int_cst_octal): Likewise.
6105 (print_octal): Show we wrote characters.
6106 (dbxout_type): Set have_used_extensions in more places.
6108 2001-07-25 Catherine Moore <clm@redhat.com>
6110 * config/v850/v850.c (v850_va_arg): Use addr
6111 instead of valist to build incr.
6113 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6115 * flow.c (delete_dead_jumptables): New function.
6116 (life_analyzis): Call it.
6117 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6120 2001-07-25 Richard Henderson <rth@redhat.com>
6122 * except.c (reachable_handlers): Handle a region being removed
6123 out from under a RESX.
6125 2001-07-25 Richard Henderson <rth@redhat.com>
6127 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6128 swap GE/GT if it is an fp comparison.
6130 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6132 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6135 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6137 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6138 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6141 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6143 (visit_expression): When attempting to simplify an expression,
6144 retrieve any modes for arguments before they are simplified
6147 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6148 Janis Johnson <janis@us.ibm.com>
6150 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6151 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6152 pointer parameters to match documented usage of nonlocal_goto.
6153 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6154 parameters to their correct order.
6155 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6156 parameters to their correct order.
6158 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6160 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6162 2001-07-25 Jan Hubicka <jh@suse.cz>
6163 Richard Henderson <rth@redhat.com>
6165 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6167 (make_edges): New argument update_p; populate the edge cache if set.
6168 (find_basic_blocks): Update make_edges invocation.
6170 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6172 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6174 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6176 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6177 -Acpu and -Amachine.h.
6178 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6179 Corrected header to say ELF not a.out.
6180 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6181 when given -msoft-float.
6183 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6185 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6186 extra multilib parts like arm-elf.
6187 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6188 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6189 crtfini.o as extra multilib parts.
6191 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6193 * configure.in: Add rtems as a supported thread model.
6194 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6195 * configure: Rebuilt.
6197 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6199 * stor-layout.c (get_mode_alignment): make it work when
6200 BITS_PER_UNIT is not a power of two.
6201 * builtins.c (get_pointer_alignment): Likewise.
6203 2001-07-24 Richard Henderson <rth@redhat.com>
6205 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6206 the retrieved constant into the expected mode.
6208 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6210 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6211 (verify_flow_info): Check for duplicated edges; clarify
6214 * flow.c (block_label): Update basic_block_for_insn.
6215 (commit_edge_insertions): Call compute_bb_for_insn.
6217 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6220 * flow.c (redirect_edge_and_branch,
6221 try_optimize_cfg): Use redirect_edge_succ_nodup
6222 (redirect_edge_succ_nodup): New.
6223 * basic_block.h (redirect_edge_succ_nodup): Declare.
6225 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6228 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6230 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6231 (try_crossjump_to_edge): Update commetns.
6232 (try_crossjump_bb): Likewise.
6234 2001-07-24 Richard Henderson <rth@redhat.com>
6236 * combine.c (distribute_notes): Move set of need_refresh
6237 for noop_move_p down to catch all cases.
6239 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6241 * recog.c (split_all_insns_noflow): New.
6242 * rtl.h (split_all_insns_noflow): Declare.
6243 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6244 * m68hc11.c (m68hc11_reorg): Likewise.
6245 * sh.c (machine_dependent_reorg): Likewise.
6246 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6249 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6251 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6252 (ashlsi3_n splitter): Likewise.
6253 (lshrsi3_n splitter): Likewise.
6255 (GOTaddr2picreg): Make const SImode.
6256 (sym_label2reg): Likewise.
6257 (symGOT2reg): Likewise.
6258 (symGOTOFF2reg) Likewise.
6260 (casesi_worker_0): Make unspec SImode.
6262 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6264 * config/sh/sh.c (barrier_align): Check that an operand really is
6265 an insn before extracting its INSN_CODE.
6267 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6269 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6272 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6273 for SImode to prevent overflow.
6275 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6277 * config/mips/irix6-libc-compat.c: New file.
6278 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6279 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6282 2001-07-24 lars brinkhoff <lars@nocrew.org>
6284 * rtl.texi (REG_POINTER): Document.
6285 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6286 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6288 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6290 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6292 2001-07-23 Richard Henderson <rth@redhat.com>
6294 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6296 2001-07-23 Kazu Hirata <kazu@hxi.com>
6298 * config/h8300/h8300-protos.h: Add a prototype for
6299 general_operand_dst_push.
6300 * config/h8300/h8300.c (general_operand_dst_push): New.
6301 * config/h8300/h8300.h (OK_FOR_T): New.
6302 (EXTRA_CONSTRAINT): Use it.
6303 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6304 the existing movqi pattern.
6305 (movhi_push): Likewise.
6307 * reload.c: Fix comment typos.
6309 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6311 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6313 2001-07-23 H.J. Lu (hjl@gnu.org)
6315 * doc/extend.texi: Update __builtin_return_address and
6316 __builtin_frame_address.
6318 2001-07-23 Richard Henderson <rth@redhat.com>
6320 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6322 * config/i386/i386.md: New setcc+movzbl peephole2.
6324 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6326 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6327 * objc/objc-act.c: Include debug.h.
6328 (synth_module_prologue): Save and restore debug hooks too.
6330 2001-07-23 lars brinkhoff <lars@nocrew.org>
6332 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6333 and C4X_FLOAT_FORMAT.
6334 (BOOL_TYPE_SIZE): Document.
6336 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6338 * unroll.c (loop_iterations): Fix miscalculation of initial
6341 2001-07-13 Andrew Haley <aph@redhat.com>
6343 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6344 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6345 * config/sh/sh.c (sh_can_redirect_branch): New function.
6346 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6347 * reorg.c (steal_delay_list_from_target): Use
6348 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6350 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6352 * flow.c (try_simplify_condjump): Unlink insn chain on
6353 fallthru edge; use can_fallthru.
6355 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6357 * basic-block.h (find_sub_basic_block): Declare.
6358 * flow.c (make_edges): New arguments MIN and MAX;
6359 (find_sub_basic_blocks): Revamp to use make_edges
6360 and purge_dead_edges.
6361 (find_basic_blocks): Update call of find_sub_basic_block.
6363 * recog.c (split_all_insns): Always expect CFG to be consistent;
6364 call find_sub_basic_blocks in case something has changed.
6365 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6368 * basic-block.h (delete_noop_moves): Declare.
6369 * combine.c (combine_instructions): Call it.
6370 (recog_for_combine): Tolerate noop moves
6371 (distribute_notes): Force refresh when register dies at noop move.
6372 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6374 (life_analysis): Update delete_noop_moves call.
6375 (set_noop_p): Move too ...
6376 * rtlanal.c (noop_move_p): ... here.
6377 * rtl.h (noop_move_p): Declare.
6379 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6380 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6382 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6383 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6385 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6387 * reload.c (push_reload): Fix typo in comment.
6388 (find_reloads_address): Ditto.
6389 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6391 2001-07-22 Richard Henderson <rth@redhat.com>
6393 * flow.c: Grammar check and clarify a lot of comments.
6394 (try_simplify_condjump): Rename variables to be clearer.
6395 (try_forward_edges): Skip complex and fallthru edges.
6396 Rearrange tests to avoid duplicate checks.
6397 (flow_find_cross_jump): Likewise.
6398 (outgoing_edges_match): Allow match if neither branch has
6399 probability data. Loosen probability match to 5%.
6400 (try_crossjump_to_edge): Hoist repeated indirection into
6402 (try_crossjump_bb): Don't check complex edges. Eliminate
6403 redundant crossjump tests.
6404 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6405 checks before more expensive checks.
6407 2001-07-22 Richard Henderson <rth@redhat.com>
6409 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6410 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6413 2001-07-22 Richard Henderson <rth@redhat.com>
6415 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6416 (const_sint32_operand): Likewise.
6417 * m68k.md (anon mulsi pattern): Use const_int_operand not
6418 const_sint32_operand.
6419 (umulsi3_highpart): Zero extend a constant input.
6420 (smulsi3_highpart): Don't bother checking SImode constant.
6421 (const_umulsi3_highpart): Give op3 DImode.
6422 (const_smulsi3_highpart): Likewise.
6424 2001-07-22 Richard Henderson <rth@redhat.com>
6426 * flow.c (split_block): Make sure bb_note is included in the
6427 new block when splitting before a label.
6429 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6431 * basic-block.h (redirect_edge_and_branch_force,
6432 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6433 * flow.c (redirect_edge_and_branch_force,
6434 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6435 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6436 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6437 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6438 instead of label; update CFG after transformation.
6439 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6440 for finishing the transformation; handle even case where ELSE
6441 does not follow THEN.
6442 (find_if_case_2): Update call of dead_or_predictable; simplify
6445 * emit-rtl.c (split_branch_probability): New global variable.
6446 (try_split): Take care to set split_branch_probability and
6447 create REG_BR_PROB note for new jump insns.
6448 * md.texi (define_split): Document new feature.
6450 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6452 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6454 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6455 (asm_out_file): Remove redundant declaration.
6456 (assemble_asm): Remove old #if 0 block.
6457 (assemble_variable): Remove end of function; debug output is
6458 now handled with global_decl. Remove old #if 0 block. Update.
6459 Remove saved_in_section and associated no-op code.
6460 * Makefile.in (varasm.o): Correct dependencies.
6462 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6464 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6465 the definition in defaults.h.
6467 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6469 * jump.c: Update comments.
6470 (delete_barrier_successors, delete_unreferenced_labels,
6471 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6472 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6473 jump_optimize, jump_optimize_minimal): Kill.
6474 (rebuild_jump_labels): Move code from jump_optimize_1.
6475 (purge_line_number_notes): Likewise.
6476 (copy_loop_headers): Likewise.
6477 * reg-stack.c: Update comment.
6479 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6480 JUMP_AFTER_REGSCAN): Kill.
6481 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6482 purge_line_number_notes and copy_loop_headers.
6484 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6485 Richard Henderson <rth@redhat.com>
6487 * dbxout.c (dbxout_global_decl): New.
6488 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6489 * sdbout.c (sdbout_finish): New.
6490 (sdbout_debug_hooks): Use it, add comments.
6491 (sdbout_global_decl): Defer initialised public vars to
6493 * varasm.c (assemble_variable): Don't output debug information
6494 for file-scope variables.
6496 2001-07-22 Richard Henderson <rth@redhat.com>
6498 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6499 (get_round_mode_suffix): New.
6500 (print_operand): Use them for [/]. Remove support for [&'`()+].
6501 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6502 * config/alpha/alpha.md (attr round_suffix): New.
6503 (attr trap_suffix): New.
6504 (all insns): Set them appropriately. Use %/ instead of the
6507 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6509 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6511 2001-07-22 Richard Henderson <rth@redhat.com>
6513 * regrename.c (regrename_optimize): Compute nregs for each
6514 potential target register.
6516 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6517 Richard Henderson <rth@redhat.com>
6519 * dbxout.c (dbxout_global_decl): New.
6520 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6521 * sdbout.c (sdbout_finish): New.
6522 (sdbout_debug_hooks): Use it, add comments.
6523 (sdbout_global_decl): Defer initialised public vars to
6525 * varasm.c (assemble_variable): Don't output debug information
6526 for file-scope variables.
6528 2001-07-21 H.J. Lu (hjl@gnu.org)
6530 * config/mips/mips.c (mips_cpu): Moved into ...
6531 (override_options): Here.
6533 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6535 (mips_cpu): Removed.
6537 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6539 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6540 ("iorqi3"): Likewise.
6541 ("xorqi3"): Likewise.
6542 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6543 ("*subhi3_sp): Likewise.
6544 ("*subhi3"): Likewise.
6545 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6548 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6550 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6551 * config/freebsd.h: Likewise.
6552 * config/linux.h: Likewise.
6553 * config/openbsd.h: Likewise.
6554 * config/alpha/linux-elf.h: Likewise.
6555 * config/arm/linux-elf.h: Likewise.
6556 * config/d30v/d30v.h: Likewise.
6557 * config/fr30/fr30.h: Likewise.
6558 * config/ia64/aix.h: Likewise.
6559 * config/ia64/ia64.h: Likewise.
6560 * config/mips/linux.h: Likewise.
6561 * config/pj/pj.h: Likewise.
6562 * config/rs6000/linux.h: Likewise.
6563 * config/sparc/linux.h: Likewise.
6564 * config/sparc/linux64.h: Likewise.
6566 2001-07-20 Bruce Korb <bkorb@gnu.org>
6568 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6569 because getc() and char* may disagree on signedness.
6571 2001-07-20 Richard Henderson <rth@redhat.com>
6573 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6575 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6576 insns to delete in the presence of cc0 in a jump insn.
6578 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6579 Jan Hubicka <jh@suse.cz>
6581 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6582 of doing the change by hand.
6584 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6586 * rtlanal.c (set_noop_p): Return true for noop jumps.
6588 * expr.c (emit_single_push_insn): Add call to push expander.
6589 * expr.h (optab_index): Add OTI_push
6590 (push_optab): New constant.
6591 * genopinit.c (optabs): Add push_optab.
6592 * optabs.c (init_optab): Init push optab.
6593 * md.texi (push??1): Document
6595 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6597 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6598 expand to emit the pattern; put a REG_INC note for push/pop
6600 ("movdf", "movdf_internal"): Likewise.
6601 ("movsi", "movsi_internal"): Likewise.
6602 ("movsf", "movsf_internal"): Likewise.
6603 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6605 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6607 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6610 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6612 * params.def: Change default max inline insns to 100.
6614 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6616 * combine.c (combine_simplify_rtx): Generate a new shift operation
6617 when simplifying the first operand of a (neg (ashift)) expression.
6619 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6621 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6623 2001-07-20 Kelley Cook <kelley.cook@home.com>
6625 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6626 information. Move rest into ...
6627 (*-*-solaris): ... here. Eliminate redundant information and
6628 reword necessary packages section. Delete 4.x assembler bug info.
6629 (sparc-sun-*): Merge into ...
6630 (sparc-sun-sunos*): here.
6632 2001-07-20 Catherine Moore <clm@redhat.com>
6634 * config/v850/v850.md (casesi): Generate LABEL_REF
6637 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6639 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6640 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6641 * i386.md (strclrsi expander): Use it.
6643 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6645 * integrate.c (copy_insn_list): handle
6646 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6647 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6648 identically as to CODE_LABEL.
6650 * fold-const (fold): Convert A/B/C to A/(B*C) and
6653 * except.c (connect_post_landing_pads): Delete the RESX insns.
6655 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6657 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6659 * config/mips/mips.md (nmadd/nmsub): Use macro.
6661 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6663 * cppinit.c (remove_dup_dir): Make static.
6664 (remove_dup_dirs): Make static. Only warn about preempting a
6665 system directory with a non-system directory.
6667 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6669 * ifcvt.c (noce_try_store_flag_constants): Correct order
6670 of parameters to trunc_int_for_mode.
6672 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6674 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6675 an exception that will be caught within this function, do not fill
6676 its delay slot with any subsequent instruction.
6678 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6680 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6681 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6682 pointer extension instruction.
6683 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6684 * simplify-rtx.c (simplify_unary_operation) Likewise.
6685 * explow.c (convert_memory_address) Check value of
6686 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6688 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6689 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6690 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6691 Add Multilib Support.
6692 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6693 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6694 Add Multilib Support.
6695 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6697 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6698 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6699 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6701 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6703 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6704 old and new operands in `<', `3' and `b'.
6706 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6708 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6709 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6710 (toplev.o): Don't depend on xcoffout.h.
6711 * c-decl.c: Include debug.h
6712 (duplicate_decls): Use debug hook.
6713 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6714 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6715 (dbxout_types): Remove.
6716 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6717 * debug.c (do_nothing_debug_hooks): Update.
6718 (debug_true_tree, debug_nothing_rtx): New.
6719 * debug.h (struct rtx_def): New.
6720 (struct gcc_debug_hooks): New hooks ignore_block,
6721 outlining_inline_function and label.
6722 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6723 dwarf2out_frame_finish): New.
6724 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6725 Make static, update prototype.
6726 (dwarf2_debug_hooks): Update.
6727 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6728 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6729 * dwarfout.c (dwarf_debug_hooks): Update.
6730 * emit-rtl.c: Include debug.h.
6731 (remove_unnecessary_notes): Use debug hook.
6732 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6733 (final_scan_insn): Use debug hook.
6734 * integrate.c (output_inline_function): Use debug hook.
6735 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6736 (sdb_debug_hooks): Update.
6737 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6738 * toplev.c: Don't include xcoffout.h.
6739 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6740 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6742 * tree.h (dwarf2out_do_frame): Remove.
6744 2001-07-19 Catherine Moore <clm@cygnus.com>
6746 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6748 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6750 * reload1.c (eliminate_regs_in_insn): When updating a set
6751 to the frame pointer to the hardware frame pointer, perform
6752 the update always not just when REPLACE is set.
6754 * reload1.c (choose_reload_regs): Don't inherit a reload
6755 that crosses multiple registers if registers past the first
6756 don't fit in the desired class.
6758 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6759 when negating constants.
6761 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6763 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6764 * doc/tree.texi: Ditto.
6766 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6767 Jakub Jelinek <jakub@redhat.com>
6769 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6770 (extract_cie_info): Handle "eh" augmentation properly,
6772 (struct frame_state, __frame_state_for): New.
6774 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6776 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6777 HANDLE_SYSV_PRAGMA): Define.
6778 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6780 (copy_object): Caller changed.
6782 2001-07-19 Andreas Schwab <schwab@suse.de>
6784 * configure.in (assembler dwarf2 debug_line support): Define nop
6786 * configure: Regenerated.
6788 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6790 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6792 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6793 to conditionally compiled block.
6794 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6795 * dbxout.h (dbxout_function): Remove.
6796 * debug.c (do_nothing_debug_hooks): Update.
6797 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6798 global_decl, deferred_inline_function.
6799 * dwarf2out.c (dwarf2_debug_hooks): Update.
6800 (dwarf2out_global_decl): New.
6801 * dwarfout.c: Don't include dwarfout.h.
6802 (dwarfout_global_decl, dwarfout_function_decl,
6803 dwarfout_deferred_inline_function): New.
6804 (dwarf_debug_hooks): Update.
6805 * dwarfout.h: Remove.
6806 * final.c: Don't include dwarfout.h.
6807 * sdbout.c (sdbout_global_decl): New.
6808 (sdbout_debug_hooks): Update.
6809 * toplev.c: Don't include dwarfout.h.
6810 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6811 (note_deferral_of_defined_inline_function): Remove.
6812 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6813 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6814 * ch/lex.c: Don't include dwarfout.h.
6815 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6816 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6817 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6818 * cp/optimize.c: Include debug.h.
6819 (maybe_clone_body): Use debug hook.
6820 * cp/semantics.c: Include debug.h.
6821 (expand_body): Use debug hook.
6822 * po/POTFILES.in: Remove dwarfout.h.
6824 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6826 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6827 * c-parse.in (yyerror, _yylex): Similarly.
6828 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6829 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6831 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6832 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6834 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6836 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6837 in-class declaration at -g1. Fixes c++/2814.
6839 2001-07-18 Richard Henderson <rth@redhat.com>
6841 * doc/md.texi (reload_in/out): Document restrictions in predicates
6842 and constraints for these patterns. Document empty string matching
6845 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6847 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6849 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6851 * cse.c: Undo my previous patch.
6853 2001-07-18 Tom Tromey <tromey@redhat.com>
6856 * configure: Rebuilt.
6857 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6859 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6861 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6862 Jan Hubicka <jh@suse.cz>
6864 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6865 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6866 * jump.c (mark_jump_label): Do not forward branches.
6868 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6870 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6871 when return value is unused.
6873 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6875 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6877 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6879 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6880 on error. We can't blindly return the result of
6881 pthread_mutex_trylock because it returns a positive number on
6882 error, while we must return -1 on error.
6883 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6885 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6887 2001-07-18 Andreas Jaeger <aj@suse.de>
6889 * integrate.c (output_inline_function): Correct type of debug_hooks.
6891 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6893 * combine.c (combine_simplify_rtx): DIV can be treated
6894 associatively for floats if unsafe math optimisations are enabled.
6896 2001-07-17 Richard Henderson <rth@redhat.com>
6898 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6900 2001-07-17 Richard Henderson <rth@redhat.com>
6902 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6903 don't force the function address into a register.
6904 (expand_call, emit_library_call_value_1): Update callers.
6905 * builtins.c (expand_builtin_apply): Likewise.
6906 * expr.h (prepare_call_address): Update decl.
6908 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6910 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6912 * config/i386/chorus.h: Move up.
6913 * config/sparc/chorus.h: Likewise.
6914 * config/rs6000/chorus.h: Likewise.
6915 * config/chorus.h: Moved here.
6917 2001-07-17 Andreas Schwab <schwab@suse.de>
6919 * configure.in (assembler eh_frame optimization): Handle big
6921 * configure: Regenerated.
6923 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6925 * expr.c (epxand_expr): Convert divisions into multiplications by
6926 reciprocals if -ffast-math.
6928 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6930 * dbxout.c (dbxout_really_begin_function): Rename to
6931 dbxout_begin_function.
6932 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6933 (dbxout_begin_function): Remove.
6934 (dbxout_function): Update.
6935 (dbxout_source_line): Update prototype.
6936 * dbxout.h (dbxout_begin_function): Remove.
6937 * debug.c (do_nothing_debug_hooks): Update.
6938 (debug_nothing_tree): Update.
6939 (debug_nothing_charstar_rtx): Remove.
6940 * debug.h (union tree_node): Declare.
6941 (struct rtx_def): Remove.
6942 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6943 begin_function. Change source_line prototype.
6944 (debug_nothing_tree): New.
6945 (debug_nothing_charstar_rtx): Delete.
6946 (dwarf2out_begin_prologue): Moved from ...
6948 * dwarf2out.c (dwarf2_debug_hooks): Update.
6949 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6950 debug info, call dwarf2out_source_line.
6951 (dwarf2out_souce_line): Update prototype.
6952 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6953 Change prototype, make static.
6954 (dwarfout_source_line): Update prototype.
6955 (dwarf_debug_hooks): Update.
6956 * dwarfout.h (dwarfout_begin_function): Remove.
6957 * final.c (final_start_function, final_scan_insn): Use appropriate
6958 debug hooks, update to use notice_source_line.
6959 (output_source_line): Rename notice_source_line. Don't call the
6960 source_line debug hook.
6961 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6962 make static, update prototype.
6963 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6965 (sdbout_end_prologue): New.
6966 (sdbout_source_line): Update prototype.
6967 (sdbout_debug_hooks): Update.
6968 (sdbout_symbol): Remove unused var.
6969 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6971 * varasm.c: Include debug.h.
6972 (assemble_start_function): Use begin_function debug_hook.
6973 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6974 update with prototype.
6975 (xcoffout_source_line): Update prototype.
6976 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6978 (xcoffout_source_line): Update prototype.
6980 2001-07-17 Richard Henderson <rth@redhat.com>
6982 * c-typeck.c (build_binary_op): Do not shorten unsigned
6983 right shift after sign extension.
6985 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6987 * combine.c (combine_simplify_rtx): Attempt to simplify
6988 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6990 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6991 (simplify_binary_operation, simplify_unary_operation,
6992 simplify_relational_operation): Use it.
6994 * combine.c (combine_simplify_rtx): Don't do associative law
6995 on divisions; allow associative law on floats.
6997 2001-07-17 H.J. Lu <hjl@gnu.org>
6998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7000 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7001 ASM_OUTPUT_WEAK_ALIAS are defined.
7002 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7003 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7005 * config/mips/iris5.h: ... here.
7006 (HANDLE_SYSV_PRAGMA): Defined as 1.
7007 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7008 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7011 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7013 * c-parse.in (all_prefix_attributes): New variable.
7014 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7015 (maybe_resetattrs): New production.
7016 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7017 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7018 notype_initdcl, nested_function, notype_nested_function,
7019 component_decl, components, components_notype,
7020 component_declarator, component_notype_declarator,
7021 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7022 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7023 after a comma being applied to more than one declarator.
7024 * doc/extend.texi (Attribute Syntax): Update. Remove
7025 documentation of bugs that are no longer present.
7027 2001-07-13 Eric Christopher <echristo@redhat.com>
7029 * config/mips/mips.h: Change TUNE_MIPS* options to use
7031 (EXTRA_SPECS): Add cc1_cpu_spec.
7032 * config/mips/mips.md (muldf3): Fix typo.
7034 2001-07-16 Richard Henderson <rth@redhat.com>
7036 * config/m68k/m68k.c: Include expr.h and reload.h.
7037 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7038 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7040 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7041 Richard Henderson <rth@redhat.com>
7043 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7044 (insn_live_p): Fix fall off end of function.
7045 (dead_libcall_p): Remove COUNTS argument; update callers.
7046 (delete_trivially_dead_insns): Remove unused variables.
7048 2001-07-17 Andreas Jaeger <aj@suse.de>
7050 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7053 * lcm.c (optimize_mode_switching): Avoid warning for unused
7054 variable if !NORMAL_MODE.
7056 * flow.c (try_crossjump_to_edge): Remove unused variable.
7058 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7060 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7061 atexit declaration in stdlib.h.
7063 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7065 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7067 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7069 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7070 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7071 do rebuild_jump_labels instead of jump_optimize
7072 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7073 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7074 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7076 * flow.c: Include timevar.h
7077 (find_basic_block): Push/pop timevar;
7078 (cleanup_cfg): Likewise.
7079 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7080 * Makefile: Add dependencies on timevar.h
7082 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7083 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7085 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7086 * toplev.c (rest_of_compilation): Update calls.
7087 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7088 (delete_trivially_dead_insns): ... here; accept new argument
7089 preserve_basic_blocks; preserve basic blocks if set.
7091 * reg-stack.c (stack_regs_mentioned): Return 0 if
7092 stack_regs_mentioned_data is not initialized.
7093 (reg_to_stack): Make stack_regs_mentioned survive after the
7094 reg-stack is completted; do not call cleanup_cfg.
7095 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7096 make cleanup_cfg after bb-reorder to output to debug file.
7098 2001-07-16 Richard Henderson <rth@redhat.com>
7100 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7101 from int_reg_class_contents.
7103 2001-07-16 Richard Henderson <rth@redhat.com>
7105 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7106 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7107 (init_reg_sets_1): Move initialization from cse_main.
7108 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7109 (cse_main): Move its initialization also.
7110 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7111 * flow.c (propagate_one_insn): Likewise.
7112 * gcse.c (compute_hash_table): Likewise.
7113 (compute_kill_rd, compute_store_table): Likewise.
7114 * sched-deps.c (sched_analyze_1): Likewise.
7116 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7118 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7121 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7123 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7124 in if statement so we don't access undefined memory.
7126 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7128 * gcse.c: Update comment at top.
7129 Update comment on mem handling.
7130 mem_last_set, mem_first_set, mem_set_in_block: gone.
7131 Declaration of reg_set_info: gone.
7132 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7133 pointless with load_killed_in_block_p (they are *more*
7134 conservative then it, not less, and less accurate).
7135 (oprs_not_set_p): Ditto.
7136 (alloc_gcse_mem): Don't allocate mem_set_in_block
7137 (free_gcse_mem): Don't free it, either.
7138 (record_last_mem_set_info): Update comment in front, remove
7139 mem_*set_* stuff. Note the reason we don't handle stores directly
7141 (compute_hash_table): Update comments to reflect reality. Remove
7142 mem_*set_* references.
7143 (reset_opr_set_tables): Remove mem_*set_* references.
7145 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7146 (mark_clobber): Ditto (on both parts, we double set here too).
7147 (expr_killed_p): Remove mem_set_in_block test.
7148 (compute_transp): Remove mem_set_in_block test.
7150 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7151 of edge, and removal of phi alternative to dump file.
7152 (ssa_ccp_substitute_constants): Add note about register now being
7153 constant, and which uses were replaced in what insns to dump file.
7155 2001-07-16 Andreas Jaeger <aj@suse.de>
7157 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7158 variables of type HOST_WIDEST_INT.
7160 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7161 (__bb_exit_func): Correct type of count_max to avoid overflow.
7162 (num_digits): Handle long long argument.
7164 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7166 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7168 * output.h (sdb_begin_function_line): Restore as an extern
7170 * sdbout.c (sdb_begin_function_line): Make extern.
7172 2001-07-15 Richard Henderson <rth@redhat.com>
7174 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7175 * genrecog.c (maybe_both_true_mode): New.
7176 (maybe_both_true_2): Use it.
7177 (write_switch): Don't put Pmode in a switch.
7178 * rtl.c (mode arrays): Don't explicitly size them.
7180 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7182 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7183 handling; move unconditional splitting before mode switching.
7185 * i386.md (type): Add fistp type.
7186 (i387, length_attr, scheduling definitions): Handle this type.
7187 (fix_trunc?f?i2): Revamp to use mode switching.
7188 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7189 * i386.h (fp_cw_mode): New enum
7190 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7191 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7193 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7195 * Makefile.in (integrate.o): Add debug.h.
7196 * integrate.c (debug.h): Add.
7197 (output_inline_function): Save, reset, and restore debug_hooks.
7199 2001-07-15 Richard Henderson <rth@redhat.com>
7201 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7202 instead of COMPARE for the EQUIV expression.
7204 2001-07-15 Richard Henderson <rth@redhat.com>
7206 * flow.c (redirect_edge_and_branch_force): Initialize
7207 global_live_at_start and global_live_at_end.
7208 (allocate_bb_life_data): Export.
7209 * basic-block.h (allocate_bb_life_data): Declare.
7210 * toplev.c (rest_of_compilation): Call it.
7212 2001-07-15 Richard Henderson <rth@redhat.com>
7214 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7215 (alpha_tablejump_best_label): New.
7216 * config/alpha/alpha-protos.h: Declare them.
7217 * config/alpha/alpha.md: Use braced strings for code blocks.
7218 (tablejump_osf): Break out add with r29.
7219 (tablejump_osf_internal): Remove.
7220 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7221 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7223 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7225 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7228 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7230 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7231 (ix86_fp_jump_nontrivial_p): New.
7232 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7233 use ix86_fp_jump_nontrivial_p.
7234 * i386.c (ix86_fp_jump_nontrivial_p): New.
7235 (ix86_split_fp_branch): Accept code instead of rtx.
7236 (ix86_expand_compare): Expand comparison early in case
7237 doing so is resonably cheap.
7239 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7241 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7243 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7244 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7246 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7248 * dbxout.c (dbxout_source_line): Make static, update prototype.
7249 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7250 (dbxout_init, dbxout_finish, dbxout_source_line,
7251 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7252 * dbxout.h (dbxout_source_line): Delete.
7253 * debug.c (debug_nothing_file, debug_nothing_file_int,
7254 debug_nothing_file_charstar_rtx): New.
7255 (do_nothing_debug_hooks): Update.
7256 (debug_nothing_void, debug_nothing_charstar_rtx,
7257 dwarf2out_end_epilogue): New.
7258 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7259 * debug.h (struct rtx_def): Declare.
7260 (gcc_debug_hooks): New hooks source_line, end_epilogue
7262 (debug_nothing_void, debug_nothing_charstar_rtx,
7263 dwarf2out_end_epilogue): New.
7264 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7265 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7266 (dwarf2_debug_hooks): Update.
7267 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7268 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7269 * dwarf2out.h (dwarf2out_source_line): Remove.
7270 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7271 Make static, update prototype.
7272 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7273 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7274 (dwarf_debug_hooks): Update.
7275 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7276 dwarfout_end_function): Remove.
7277 * final.c (profile_function): Use debug hooks for ending functions
7279 (output_source_line, final_end_function): Update prototype,
7281 (final_start_function, final_scan_insn): Update.
7282 * output.h (sdb_begin_function_line): Remove.
7283 (final_end_function): Update prototype.
7284 * sdbout.c (sdb_begin_function_line): Make static.
7285 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7286 (sdbout_source_line): New.
7287 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7289 (sdb_debug_hooks): Update.
7290 (sdbout_init, sdbout_source_line,
7291 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7292 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7293 * toplev.c (compile_file, rest_of_compilation): Update.
7294 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7295 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7296 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7297 Update for prototype changes.
7298 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7299 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7301 2001-07-15 Richard Henderson <rth@redhat.com>
7303 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7304 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7305 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7306 * config/alpha/alpha.c: Likewise.
7307 * config/alpha/alpha.md: Likewise.
7308 * config/alpha/alpha32.h: Likewise.
7309 * config/alpha/vms.h: Likewise.
7312 2001-07-14 Richard Henderson <rth@redhat.com>
7314 * config/alpha/alpha.md: Use define_constants for unspec values.
7315 Substitute throughout.
7317 2001-07-14 Tim Josling <tej@melbpc.org.au>
7319 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7321 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7323 * pa.md: Remove unused constraints from define_split's.
7325 2001-04-14 Richard Henderson <rth@redhat.com>
7327 * ifcvt.c (find_cond_trap): Test for exit block.
7329 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7331 Re-install recently reverted patch.
7332 * emit-rtl.c (try_split): Update mark_jump_label call.
7333 * flow.c (find_sub_basic_blocks): Likewise.
7334 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7336 (mark_all_labels): Kill second parameter.
7337 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7338 (rebuild_jump_labels, jump_optimize_minimal): Update call
7340 (jump_optimize_1): Kill crossjumping code.
7341 (mark_jump_label): Kill cross_jump parameter.
7342 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7343 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7344 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7346 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7348 (dump_file_info): Likewise.
7349 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7350 reorganize passes to do reg-stack first, bb-reorder second.
7351 * invoke.texi (-d letters doc): Remove the jump2 pass.
7353 2001-07-14 Richard Henderson <rth@redhat.com>
7355 * ifcvt.c (find_cond_trap): New.
7356 (find_if_header): Call it.
7357 (merge_if_block): Relax existing jump sanity check.
7358 * jump.c (jump_optimize_1): Remove conditional trap handling.
7360 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7362 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7364 (insn_refs_are_delayed): Correct comment.
7365 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7366 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7367 instead of r31. Make associated insn !TARGET_64BIT, and
7368 provide an additional 64-bit insn that clobbers r2.
7370 (udivsi3): Likewise.
7372 (umodsi3): Likewise.
7374 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7376 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7378 * flow.c (redirect_edge_and_branch_force, split_edge,
7379 try_crossjump_to_edge): Use set_block_for_new_insns.
7380 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7382 2001-07-13 H.J. Lu (hjl@gnu.org)
7384 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7387 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7389 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7391 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7393 * c-common.c (decl_attributes): Take a pointer to the node to
7394 which attributes are to be attached, and a flags argument.
7395 * c-common.h (enum attribute_flags): New.
7396 (decl_attributes): Update prototype.
7397 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7398 finish_enum, start_function): Update calls to decl_attributes.
7399 * c-parse.in (component_declarator, component_notype_declarator,
7400 label): Update calls to decl_attributes.
7402 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7404 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7405 * config/avr/avr.c (legitimate_address_p): Return value changed
7406 from letter to register classes. For better debugging.
7408 2001-07-13 Kazu Hirata <kazu@hxi.com>
7410 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7412 2001-07-13 H.J. Lu (hjl@gnu.org)
7414 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7416 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7418 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7419 correctly for shared configurations.
7420 * config/t-libgcc-pic: New.
7421 * config/{i386,m68k,sparc}/t-openbsd: New.
7422 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7423 Support -shared. Support debugging libraries with -g.
7424 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7425 frame information does not emit pointer diffs.
7426 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7429 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7431 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7433 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7435 * combine.c (try_combine): Ensure const_int pow2 is positive.
7437 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7439 * config.gcc: Add configuration for s/390.
7440 * config/s390/s390.c: New. Subroutines for code generation.
7441 * config/s390/s390.h: New. Definitions for s/390.
7442 * config/s390/s390-protos.h: New. Prototypes.
7443 * config/s390/linux.h: New. Definitions for linux for s/390.
7444 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7445 * config/s390/t-linux: New. Makefile fragment.
7446 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7447 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7449 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7451 * emit-rtl.c (try_split): Update mark_jump_label call.
7452 * flow.c (find_sub_basic_blocks): Likewise.
7453 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7455 (mark_all_labels): Kill second parameter.
7456 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7457 (rebuild_jump_labels, jump_optimize_minimal): Update call
7459 (jump_optimize_1): Kill crossjumping code.
7460 (mark_jump_label): Kill cross_jump parameter.
7461 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7462 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7463 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7465 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7467 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7468 reorganize passes to do reg-stack first, bb-reorder second.
7469 * invoke.texi (-d letters doc): Remove the jump2 pass.
7471 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7473 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7475 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7477 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7479 (verify_flow_info): Make diagnostics prettier.
7481 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7483 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7485 * flow.c (outgoing_edges_match): Return early if condition reversal
7488 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7490 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7491 (mips_move_2words): When splitting a move into two instructions,
7492 prefix the second address operand with '%D'.
7494 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7496 * Makefile.in (final.o): Depend on debug.h.
7497 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7498 (dbx_debug_hooks): Add new hooks.
7499 (xcoff_debug_hooks): New.
7500 * debug.c (debug_nothing_file_int_int): New.
7501 (do_nothing_debug_hooks): Update.
7502 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7503 (debug_nothing_file_int_int): New.
7504 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7505 static, update prototype.
7506 (dwarf2_debug_hooks): Update.
7507 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7508 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7509 static, update prototype.
7510 (dwarf_debug_hooks): Update.
7511 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7512 * final.c: Include debug.h.
7513 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7514 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7515 static, update prototype.
7516 (sdb_debug_hooks): Update.
7517 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7518 * toplev.c: Distinguish between xcoff and dbx.
7520 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7521 Call all debug hooks, not just dwarf ones.
7523 2001-07-11 Timothy Wall <twall@redhat.com>
7525 * config.gcc: Add configuration for AIX5/IA64.
7526 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7527 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7528 support prefix/suffix code.
7529 * config/ia64/t-aix: New. Makefile fragment.
7530 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7532 2001-07-11 Kazu Hirata <kazu@hxi.com>
7534 * recog.c (validate_change): Fix a comment typo.
7536 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7538 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7539 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7541 * dbxout.c (dbx_debug_hooks): Add new hooks.
7542 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7544 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7546 * dbxout.h (dbxout_start_new_source_file,
7547 dbxout_resume_previous_source_file): Delete.
7548 * debug.c (do_nothing_debug_hooks): Add new hooks.
7549 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7550 (debug_nothing_int_charstar, debug_nothing_int): New.
7551 * debug.h (gcc_debug_hooks): New hooks define, undef,
7552 start_source_file and end_source_file.
7553 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7554 (debug_nothing_int_charstar, debug_nothing_int): New.
7555 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7556 the conditionally compiled section.
7557 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7558 dwarf2out_define, dwarf2out_undef): Make static.
7559 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7560 dwarf2out_define, dwarf2out_undef): Remove.
7561 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7562 (dwarfout_start_source_file, dwarfout_end_source_file,
7563 dwarfout_define, dwarfout_undef): Make static.
7564 (dwarfout_start_source_file_check,
7565 dwarfout_end_source_file_check): New.
7566 (dwarfout_define, dwarfout_finish): Update.
7567 * dwarfout.h (dwarfout_start_new_source_file,
7568 dwarfout_resume_previous_source_file, dwarfout_define,
7569 dwarfout_undef): Remove.
7570 * sdbout.c (sdb_debug_hooks): Add new hooks.
7571 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7573 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7574 make static, take an arg.
7575 * sdbout.h (sdbout_start_new_source_file,
7576 sdbout_resume_previous_source_file): Delete.
7577 * toplev.c (debug_start_source_file, debug_end_source_file,
7578 debug_define, debug_undef): Delete.
7579 * toplev.h (debug_start_source_file, debug_end_source_file,
7580 debug_define, debug_undef): Delete.
7582 * java/jcf-parse.c: Include debug.h.
7583 (parse_class_file): Update to use debug hooks directly.
7584 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7586 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7588 * alias.c (set_mem_alias_set): New function.
7589 * rtl.h (set_mem_alias_set): Declare it.
7590 * builtins.c (expand_builtin_return_addr): Call it instead of
7591 using MEM_ALIAS_SET accessor.
7592 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7593 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7594 (expand_builtin_va_copy):Likewise.
7595 * caller-save.c (setup_save_areas): Likewise.
7596 * calls.c (compute_argument_addresses): Likewise.
7597 * explow.c (set_mem_attributes): Likewise.
7598 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7599 (expand_assignment, store_constructor_field, store_field): Likewise.
7600 (expand_expr_unaligned): Likewise.
7601 * function.c (assign_stack_temp_for_type): Likewise.
7602 (put_reg_into_stack, gen_mem_addressof): Likewise.
7603 * ifcvt.c (noce_try_cmove_arith): Likewise.
7604 * reload1.c (reload, alter_reg): Likewise.
7605 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7606 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7607 (alpha_expand_unaligned_store): Likewise
7608 (alpha_expand_unaligned_load_words): Likewise.
7609 (alpha_expand_unaligned_store_words): Likewise.
7610 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7611 (alpha_expand_epilogue): Likewise.
7612 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7613 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7614 * config/i386/i386.c (legitimize_pic_address): Likewise.
7615 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7616 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7617 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7618 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7619 * config/mips/mips.c (mips_va_arg): Likewise.
7620 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7621 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7622 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7623 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7624 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7625 (rs6000_emit_epilogue): Likewise.
7626 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7627 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7628 * config/v850/v850.c (v850_va_arg): Likewise.
7630 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7632 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7633 when fallthru edge is present.
7634 (mege_blocks): Handle case where creation of jump insn
7637 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7638 CLEANUP_POST_REGSTACK): New constants.
7639 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7640 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7641 * output.h (cleanup_cfg): Update prototype.
7642 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7643 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7644 cleanup_cfg call; kill missleading comment.
7645 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7646 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7647 parameter; control optimizations performed using it.
7648 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7649 try_crossjump_bb): New functions.
7651 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7653 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7655 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7656 pa_output_function_prologue.
7657 * pa-protos.h (pa_output_function_prologue): New prototype.
7659 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7661 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7662 and low to get correct sign extension in low+high test.
7664 2001-07-11 Janis Johnson <janis@us.ibm.com>
7666 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7667 for large hit count.
7669 * profile.c (branch_prob): Fix .bbg info for computed gotos
7672 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7674 * stmt.c (parse_output_constraint): New function, split out
7676 (expand_asm_operands): ... here. Use parse_output_constraint.
7677 * tree.h (parse_output_constraint): Declare it.
7679 2001-07-11 Richard Henderson <rth@redhat.com>
7681 * bitmap.c: Comment some functions; fiddle whitespace.
7682 (bitmap_free): Don't export.
7683 (bitmap_element_allocate): Use memset.
7684 * bitmap.h (bitmap_free): Don't declare.
7686 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7688 * gcse.c, lcm.c, sched-deps.c:
7689 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7691 * flow.c (flow_loops_find): Free dom if we found no loops, since
7692 we aren't going to save it.
7694 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7697 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7699 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7701 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7703 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7704 #ifndef DWARF2_DEBUGGING_INFO.
7706 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7708 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7710 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7712 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7713 reverse a branch if a NE comparison is implemented with GTU.
7715 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7716 H.J. Lu <hjl@gnu.org>
7718 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7720 (call_internal2): Likewise.
7721 (call_value_internal1): Likewise.
7722 (call_value_internal2): Likewise.
7723 (call_value_multiple_internal1): Likewise.
7724 (call_value_multiple_internal2): Likewise.
7726 2001-07-10 Kazu Hirata <kazu@hxi.com>
7728 * calls.c (emit_library_call_value_1): Fix a comment typo.
7729 * dwarf2out.c (mem_loc_descriptor): Likewise.
7730 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7732 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7734 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7736 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7738 * recog.c (offsettable_address_p): Handle LO_SUM case.
7739 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7740 instead of plus_constant.
7742 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7744 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7745 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7747 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7749 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7750 adjust_address_nv instead of plus_constant.
7752 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7754 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7755 dwarf2out.o): Depend on debug.h, wrap long lines.
7756 * dbxout.c: Include debug.h.
7757 (dbx_debug_hooks): New.
7758 (dbxout_init): Make static, take just 2 args.
7759 (dbxout_finish): Make static.
7760 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7761 * debug.c: New file.
7762 * debug.h: New file.
7763 * dwarf2out.c: Include debug.h.
7764 (dwarf2_debug_hooks): New.
7765 (dwarf2out_init): Make static.
7766 (dwarf2out_finish): Make static, take 2 args.
7767 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7768 * dwarfout.c: Include debug.h.
7769 (dwarf_debug_hooks): New.
7770 (dwarfout_init): Make static.
7771 (dwarfout_finish): Make static, take 2 args.
7772 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7773 * sdbout.c: Include debug.h.
7774 (sdb_debug_hooks): New.
7775 (sdbout_init): Make static, take 2 args.
7776 * sdbout.h (sdbout_init): Delete.
7777 * toplev.c: Include debug.h.
7779 (compile_file): Set deubg_hooks based on command line options.
7780 Use the hooks unconditionally rather than conditional compilation.
7782 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7784 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7785 first_insn_after_basic_block_note instead.
7787 * df.c (df_bb_refs_unlink): #if 0 out for now.
7789 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7791 * ssa.h: Add prototype for ssa_const_prop
7792 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7793 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7794 (ssa_fast_dce): Remove unused variable
7796 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7798 * diagnostic.c (finish_diagnostic): Rename to
7799 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7802 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7804 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7807 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7808 (dump_file): Only pad the demangled name with spaces if the
7809 mangled name was padded with spaces.
7811 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7813 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7816 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7818 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7819 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7822 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7823 whether can put offset inside LO_SUM to check mode alignment, not size.
7825 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7827 * doc/tm.texi (Misc): Fix thinko.
7829 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7831 * regmove.c (replace_in_call_usage): Fix warnings.
7832 * sched-deps.c (add_dependence): Fix warnings.
7833 * simplify-rtx.c (simplify_subreg): Likewise.
7834 Return NULL_RTX instead of NULL.
7836 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7837 (subst_asm_stack_regs): Likewise.
7839 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7842 * dwarf2out.c (output_call_frame_info): Declare i as int.
7843 (build_abbrev_table): Declare n_alloc as int.
7844 (dwarf2out_finish): Initialize die.
7845 * except.c: Declare sjlj_funcdef_number as unsigned.
7846 (connect_post_landing_pads): Declare j as unsigned.
7847 (convert_to_eh_region_ranges): Initialize call_site.
7848 (output_function_exception_table): Initialize tt_format_size.
7849 * expr.c (move_by_pieces_1): Initialize to1.
7850 (store_constructor): Initialize minelt and maxelt.
7851 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7852 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7854 * c-decl.c (combine_parm_decls): Unused, remove.
7855 * c-tree.h: Remove prototype for combine_parm_decls.
7857 * reload.c (push_reload): Fix warning.
7858 (regno_clobbered_p): Likewise.
7859 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7860 (reload_combine): Likewise.
7862 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7863 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7865 * bitmap.c (bitmap_operation): Change user.
7866 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7868 2001-07-10 Eric Christopher <echristo@redhat.com>
7870 * config/mips/mips.c (override_options): Fix typo.
7872 2001-07-09 Stan Shebs <shebs@apple.com>
7874 * target.h (struct gcc_target): New fields init_builtins and
7876 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7877 (TARGET_EXPAND_BUILTIN): New macro.
7878 (TARGET_INITIALIZER): Add them.
7879 * builtins.c: Include target.h.
7880 (expand_builtin): Use targetm.expand_builtin.
7881 (default_init_builtins): New function.
7882 (default_expand_builtin): New function.
7883 * expr.h (default_init_builtins): Declare.
7884 (default_expand_builtin): Declare.
7885 * c-common.c (c_common_nodes_and_builtins): Use
7886 targetm.init_builtins.
7887 * defaults.h (MD_INIT_BUILTINS): Remove.
7888 * Makefile.in (builtins.o): Depend on target.h.
7890 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7891 (TARGET_EXPAND_BUILTIN): Define.
7892 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7893 (MD_EXPAND_BUILTIN): Remove.
7895 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7896 (TARGET_EXPAND_BUILTIN): Define.
7897 (c4x_init_builtins): Make endlink arg a local.
7898 (c4x_print_operand): Fix typos in adjust_address usages.
7899 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7900 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7901 (MD_EXPAND_BUILTIN): Remove.
7903 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7904 (TARGET_EXPAND_BUILTIN): Define.
7905 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7906 (ix86_init_builtins): Call new function only if TARGET_MMX.
7907 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7908 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7909 (MD_EXPAND_BUILTIN): Remove.
7911 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7912 (TARGET_EXPAND_BUILTIN): Define.
7913 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7914 (MD_EXPAND_BUILTIN): Remove.
7916 * doc/tm.texi: Document these changes.
7918 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7920 * basic-block.h (tree_node): Forward declare if needed.
7921 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7922 (BLOCK_HEAD_TREE): Define.
7923 (BLOCK_END_TREE): Define.
7924 (struct loops): Rename field 'tree' to 'tree_root'.
7925 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7927 (flow_loops_tree_build): Rename reference to field 'tree' to
7929 (flow_loops_level_compute): Ditto.
7930 * predict.c (estimate_bb_frequencies): Ditto.
7931 * tree.h (struct tree_common): Add field 'aux'.
7933 2001-07-09 Stan Shebs <shebs@apple.com>
7935 * config/darwin.c (darwin_encode_section_info): Don't mark any
7936 DECL_EXTERNAL node as defined.
7938 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7940 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7941 pa_free_machine_status, hppa_init_pic_save): Delete.
7942 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7943 (hppa_profile_hook): Use hppa_pic_save_rtx.
7944 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7945 hppa_init_pic_save): Delete.
7946 (hppa_pic_save_rtx): Declare.
7947 * pa.md (call, call_value, sibcall, sibcall_value,
7948 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7950 2001-07-09 Kazu Hirata <kazu@hxi.com>
7952 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7953 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7955 2001-07-09 Andreas Jaeger <aj@suse.de>
7957 * output.h: Add declaration of final_forward_branch_p.
7959 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7961 * varray.c: Include errors.h for internal_error and trim_filename
7964 * Makefile.in (varray.o): Add errors.h.
7966 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7968 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7969 * optabs.c (have_add2_insn): Check whether the add insn chosen
7970 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7971 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7973 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7975 * Makefile.in (OBJS): Add ssa-ccp.o
7976 (ssa-ccp.o): Add dependencies.
7977 * toplev.c (DFI_ssa_ccp): New dump file enum.
7978 (dump_file): Add entry for dumping after SSA CCP.
7979 (flag_ssa_ccp): New flag variable.
7980 (f_options): Add -fssa-ccp.
7981 (rest_of_compilation): Run SSA CCP if requested.
7982 * timevar.def (TV_SSA_CCP): New timevar.
7983 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7984 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7985 Fix minor typo in SSA DCE documentation.
7986 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7987 Add documentation for new dump option. Renumber dump files
7990 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7992 * emit-rtl.c (gen_highpart_mode): New.
7993 * rtl.h (gen_highpart_mode): Declare.
7994 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7995 operand can be VOIDmode constant.
7997 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7999 * flow.c (redirect_edge_and_branch_force): New.
8000 (can_fallthru): Ensure that basic blocks are succeeding.
8001 (try_optimize_cfg): Do not delete basic block if it is the last one.
8003 * flow.c (try_redirect_by_replacing_jump): Do not remove
8004 jumps with side effects, unlink chain on fallthru edge;
8005 set block for new jump instruction; avoid basic block to
8006 over by line number note.
8008 * flow.c (try_simplify_condjump): Verify that the condjump
8009 is not always falling trought.
8012 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8014 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8015 (try_redirect_by_replacing_jump): Update properly the count
8016 and frequency information.
8018 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8020 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8021 address that is a LO_SUM specially.
8022 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8024 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8026 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8027 (operand_subword): Use them.
8028 (change_address_1): Renamed from change_address; new arg VALIDATE.
8029 * expr.h: Reflect above changes; change_address now macro.
8030 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8032 * cselib.c (add_mem_for_addr): Likewise.
8033 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8034 * regmove.c (try_apply_stack_adjustment): Likewise.
8035 * reload.c (push_reload, make_memloc): Likewise.
8036 * reload1.c (eliminate_regs): Likewise.
8037 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8038 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8040 * combine.c (make_extraction, simplify_shift_const): Likewise.
8041 (gen_lowpart_for_combine): Likewise.
8042 * cse.c (gen_lowpart_if_possible): Likewise.
8043 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8044 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8045 * optabs.c (gen_move_insn): Likewise.
8046 * reload1.c (alter_reg): Likewise.
8047 * simplify-rtx.c (simplify_subreg): Likewise.
8048 * stmt.c (expand_anon_union_decl): Likewise.
8049 * recog.c (validate_replace_rtx_1): Likewise.
8051 * Makefile.in (recog.o): Add $(EXPR_H).
8052 * explow.c (stabilize): Call replace_equiv_address.
8053 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8054 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8056 2001-07-03 Andrew Haley <aph@redhat.com>
8058 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8059 the mode of the memory location.
8061 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8063 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8065 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8067 * final.c (output_addr_const): Use target opening and
8068 closing parentheses.
8069 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8070 defaults, add to TARGET_ASM_OUT.
8071 * target.h (struct gcc_target): Add open_paren and close_paren.
8072 * doc/md.texi: Update.
8073 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8074 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8075 TARGET_ASM_CLOSE_PAREN.
8076 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8078 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8080 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8081 * config/a29k/a29k.h: Similarly.
8082 * config/alpha/alpha.h: Similarly.
8083 * config/arc/arc.h: Similarly.
8084 * config/arm/aof.h: Similarly.
8085 * config/arm/aout.h: Similarly.
8086 * config/avr/avr.h: Similarly.
8087 * config/c4x/c4x.h: Similarly.
8088 * config/clipper/clipper.h: Similarly.
8089 * config/convex/convex.h: Similarly.
8090 * config/d30v/d30v.h: Similarly.
8091 * config/dsp16xx/dsp16xx.h: Similarly.
8092 * config/elxsi/elxsi.h: Similarly.
8093 * config/fr30/fr30.h: Similarly.
8094 * config/h8300/h8300.h: Similarly.
8095 * config/i370/i370.h: Similarly.
8096 * config/i386/i386.h: Similarly.
8097 * config/i860/i860.h: Similarly.
8098 * config/i960/i960.h: Similarly.
8099 * config/ia64/ia64.h: Similarly.
8100 * config/m32r/m32r.h: Similarly.
8101 * config/m68hc11/m68hc11.h: Similarly.
8102 * config/m68k/m68k.h: Similarly.
8103 * config/m88k/m88k.h: Similarly.
8104 * config/mcore/mcore.h: Similarly.
8105 * config/mips/mips.h: Similarly.
8106 * config/mn10200/mn10200.h: Similarly.
8107 * config/mn10300/mn10300.h: Similarly.
8108 * config/ns32k/ns32k.h: Similarly.
8109 * config/pa/pa.h: Similarly.
8110 * config/pdp11/pdp11.h: Similarly.
8111 * config/pj/pj.h: Similarly.
8112 * config/romp/romp.h: Similarly.
8113 * config/rs6000/rs6000.h: Similarly.
8114 * config/sh/sh.h: Similarly.
8115 * config/sparc/sparc.h: Similarly.
8116 * config/v850/v850.h: Similarly.
8117 * config/vax/vax.h: Similarly.
8118 * config/we32k/we32k.h: Similarly.
8120 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8122 * doc/c-tree.texi: Document representation of attributes.
8124 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8126 * doc/tm.texi: Update some places for the rename of target to
8129 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8131 * target.h (struct gcc_target): Add insert_attributes.
8132 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8133 (TARGET_INITIALIZER): Update.
8134 * tree.c, tree.h (default_insert_attributes): New function.
8135 Update comments on other default functions to refer to targetm,
8137 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8138 TARGET_INSERT_ATTRIBUTES.
8139 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8140 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8141 Don't use PRAGMA_INSERT_ATTRIBUTES.
8142 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8143 * c-decl.c (start_decl, start_function): Don't call
8144 SET_DEFAULT_DECL_ATTRIBUTES.
8145 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8146 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8148 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8149 (c4x_check_attribute): Avoid modifying attribute list itself.
8150 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8152 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8153 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8155 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8156 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8158 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8159 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8161 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8162 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8163 Adjust parameters. Make static.
8165 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8167 * c-common.c (decl_attributes): Only take a single attributes
8169 * c-common.h (decl_attributes): Update prototype.
8170 * c-decl.c (start_decl, start_function): Only take a single
8171 attributes parameter. Update calls to decl_attributes.
8172 (finish_struct, finish_enum): Update calls to decl_attributes.
8173 (push_parm_decl): Expect unified list of attributes. Update call
8175 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8176 notype_nested_function, component_declarator,
8177 component_notype_declarator, label): Update calls to
8179 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8180 lists that are passed to push_parm_decl.
8181 * c-tree.h (start_function, start_decl): Update prototypes.
8182 * config/sh/sh-protos.h, config/sh/sh.c
8183 (sh_pragma_insert_attributes): Only take a single attributes
8185 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8186 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8187 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8188 build_module_descriptor, generate_static_references,
8189 generate_strings, build_selector_translation_table,
8190 generate_descriptor_table, generate_protocols,
8191 generate_ivars_list, generate_dispatch_table,
8192 generate_protocol_list, generate_category,
8193 generate_shared_structures, really_start_method, add_objc_decls,
8194 generate_classref_translation_entry): Update calls to start_decl
8196 (build_tmp_function_decl, start_method_def): Unify attribute lists
8197 that are passed to push_parm_decl.
8199 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8201 * final.c (no_asm_to_stream): New.
8202 (final_scan_insn): Use target structures for prologue ends
8203 and epilogue starts.
8204 * output.h (no_asm_to_stream): New.
8205 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8206 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8207 (TARGET_ASM_OUT): Update.
8208 * target.h (struct gcc_target): New members function_end_prologue
8209 and function_begin_epilogue.
8210 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8211 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8212 * config/alpha/alpha.c (output_end_prologue): Rename to
8213 alpha_output_function_end_prologue. Use in target struct
8215 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8216 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8217 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8218 ia64_output_function_end_prologue. Use in target struct
8220 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8221 mistyped prototypes.
8222 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8223 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8225 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8226 an use in target struct, make static.
8227 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8230 2001-07-08 Richard Henderson <rth@redhat.com>
8232 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8234 2001-07-08 Richard Henderson <rth@redhat.com>
8236 * config/i386/i386.md: Remove constraints strings from define_split
8237 and define_peephole2 patterns.
8238 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8239 (eh_return): Use them.
8241 2001-07-08 Richard Henderson <rth@redhat.com>
8243 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8244 Document MD_FALLBACK_FRAME_STATE_FOR.
8246 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8248 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8249 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8251 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8253 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8255 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8256 of the label inside NAME as opposed to just the end of NAME.
8258 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8260 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8261 * config/alpha/alpha.c (alpha_init_machine_status,
8262 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8263 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8264 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8265 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8267 2001-07-06 Stan Shebs <shebs@apple.com>
8269 * target.h (targetm): Rename global from "target", so as not to
8270 conflict with local variables.
8272 * c-typeck.c: Ditto.
8276 * cp/decl2.c: Ditto.
8277 * cp/typeck.c: Ditto.
8278 * 1750a/1750a.c: Ditto.
8279 * a29k/a29k.c: Ditto.
8283 * clipper/clipper.c: Ditto.
8284 * convex/convex.c: Ditto.
8285 * d30v/d30v.c: Ditto.
8286 * dsp16xx/dsp16xx.c: Ditto.
8287 * elxsi/elxsi.c: Ditto.
8288 * fr30/fr30.c: Ditto.
8289 * h8300/h8300.c: Ditto.
8290 * i370/i370.c: Ditto.
8291 * i386/i386.c: Ditto.
8292 * i860/i860.c: Ditto.
8293 * i960/i960.c: Ditto.
8294 * ia64/ia64.c: Ditto.
8295 * m32r/m32r.c: Ditto.
8296 * m68hc11/m68hc11.c: Ditto.
8297 * m68k/m68k.c: Ditto.
8298 * m88k/m88k.c: Ditto.
8299 * mips/mips.c: Ditto.
8300 * ns32k/ns32k.c: Ditto.
8302 * pdp11/pdp11.c: Ditto.
8303 * romp/romp.c: Ditto.
8304 * rs6000/rs6000.c: Ditto.
8306 * sparc/sparc.c: Ditto.
8308 * we32k/we32k.c: Ditto.
8309 * doc/tm.texi: Update the manual to match.
8311 2001-07-06 Richard Henderson <rth@redhat.com>
8313 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8314 DWARF2_UNWIND_INFO not just whether it is defined.
8316 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8318 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8319 call to simplify_binary_operation returns a new pattern.
8321 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8323 * glimits.h (__SHRT_MAX__): New.
8324 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8325 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8327 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8329 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8332 2001-07-06 Richard Henderson <rth@redhat.com>
8334 * bitmap.c (bitmap_release_memory): Move adjacent to the
8335 allocation functions.
8336 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8337 the implementation. Binary search for the set bit.
8338 (bitmap_union_of_diff): Allocate the temporary on the stack
8339 instead of using xmalloc.
8341 2001-07-06 Richard Henderson <rth@redhat.com>
8343 * genrecog.c (validate_pattern): Warn for constraints in
8344 define_{expand,split,peephole2}. Remove strict_low_part
8345 before looking up match_dup.
8347 2001-07-06 DJ Delorie <dj@redhat.com>
8349 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8350 chapter about various build hints and history. Add section
8351 talking about the various types of native and cross builds.
8353 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8355 * Makefile.in (final.o): Depend on target.h.
8356 * final.c: Include target.h.
8357 (default_function_pro_epilogue): New.
8358 (final_start_function): Use target structure for function prologues.
8359 (final_end_function): Use target structure for function epilogues.
8360 * fold-const.c (real_hex_to_f): Constify s and p.
8361 * output.h (default_function_pro_epilogue): New.
8362 * real.h (real_hex_to_f): Update prototype.
8363 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8364 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8365 (TARGET_INITIALIZER): Update.
8366 * target.h (gcc_target): Add struct asm_out.
8367 * doc/tm.texi: Update.
8370 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8371 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8372 in cpu/cpu.c, or rename old functions consistently. Take
8373 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8374 redundant macros and prototypes. Make new functions static.
8376 * 1750a/1750a.c: Similarly.
8377 * 1750a/1750a.h: Similarly.
8378 * a29k/a29k-protos.h: Similarly.
8379 * a29k/a29k.c: Similarly.
8380 * a29k/a29k.h: Similarly.
8381 * arc/arc-protos.h: Similarly.
8382 * arc/arc.c: Similarly.
8383 * arc/arc.h: Similarly.
8384 * arm/arm-protos.h: Similarly.
8385 * arm/arm.c: Similarly.
8386 * arm/arm.h: Similarly.
8387 * avr/avr-protos.h: Similarly.
8388 * avr/avr.c: Similarly.
8389 * avr/avr.h: Similarly.
8390 * clipper/clipper-protos.h: Similarly.
8391 * clipper/clipper.c: Similarly.
8392 * clipper/clipper.h: Similarly.
8393 * convex/convex.c: Similarly.
8394 * convex/convex.h: Similarly.
8395 * d30v/d30v-protos.h: Similarly.
8396 * d30v/d30v.c: Similarly.
8397 * d30v/d30v.h: Similarly.
8398 * d30v/d30v.md: Similarly.
8399 * dsp16xx/dsp16xx-protos.h: Similarly.
8400 * dsp16xx/dsp16xx.c: Similarly.
8401 * dsp16xx/dsp16xx.h: Similarly.
8402 * elxsi/elxsi.c: Similarly.
8403 * elxsi/elxsi.h: Similarly.
8404 * fr30/fr30.c: Similarly.
8405 * fr30/fr30.md: Similarly.
8406 * h8300/h8300-protos.h: Similarly.
8407 * h8300/h8300.c: Similarly.
8408 * h8300/h8300.h: Similarly.
8409 * i370/i370-protos.h: Similarly.
8410 * i370/i370.c: Similarly.
8411 * i370/i370.h: Similarly.
8412 * i386/i386.c: Similarly.
8413 * i386/osf1elf.h: Similarly.
8414 * i386/osfrose.h: Similarly.
8415 * i860/i860-protos.h: Similarly.
8416 * i860/i860.c: Similarly.
8417 * i860/i860.h: Similarly.
8418 * i960/i960-protos.h: Similarly.
8419 * i960/i960.c: Similarly.
8420 * i960/i960.h: Similarly.
8421 * ia64/ia64-protos.h: Similarly.
8422 * ia64/ia64.c: Similarly.
8423 * ia64/ia64.h: Similarly.
8424 * m32r/m32r-protos.h: Similarly.
8425 * m32r/m32r.c: Similarly.
8426 * m32r/m32r.h: Similarly.
8427 * m68hc11/m68hc11-protos.h: Similarly.
8428 * m68hc11/m68hc11.c: Similarly.
8429 * m68hc11/m68hc11.h: Similarly.
8430 * m68k/crds.h: Similarly.
8431 * m68k/dpx2.h: Similarly.
8432 * m68k/m68k-protos.h: Similarly.
8433 * m68k/m68k.c: Similarly.
8434 * m68k/m68k.h: Similarly.
8435 * m68k/news.h: Similarly.
8436 * m88k/m88k-protos.h: Similarly.
8437 * m88k/m88k.c: Similarly.
8438 * m88k/m88k.h: Similarly.
8439 * mips/mips-protos.h: Similarly.
8440 * mips/mips.c: Similarly.
8441 * mips/mips.h: Similarly.
8442 * ns32k/merlin.h: Similarly.
8443 * ns32k/ns32k.c: Similarly.
8444 * ns32k/ns32k.h: Similarly.
8445 * ns32k/tek6000.h: Similarly.
8446 * pa/pa-protos.h: Similarly.
8447 * pa/pa.c: Similarly.
8448 * pa/pa.h: Similarly.
8449 * pdp11/2bsd.h: Similarly.
8450 * pdp11/pdp11-protos.h: Similarly.
8451 * pdp11/pdp11.c: Similarly.
8452 * pdp11/pdp11.h: Similarly.
8453 * romp/romp-protos.h: Similarly.
8454 * romp/romp.c: Similarly.
8455 * romp/romp.h: Similarly.
8456 * rs6000/rs6000-protos.h: Similarly.
8457 * rs6000/rs6000.c: Similarly.
8458 * rs6000/rs6000.h: Similarly.
8459 * rs6000/sysv4.h: Similarly.
8460 * sh/sh-protos.h: Similarly.
8461 * sh/sh.c: Similarly.
8462 * sh/sh.h: Similarly.
8463 * sparc/sparc-protos.h: Similarly.
8464 * sparc/sparc.c: Similarly.
8465 * sparc/sparc.h: Similarly.
8466 * vax/vax.c: Similarly.
8467 * vax/vax.h: Similarly.
8468 * vax/vms.h: Similarly.
8469 * we32k/we32k.c: Similarly.
8470 * we32k/we32k.h: Similarly.
8472 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8474 * basic-block.h (first_insn_after_basic_block_note): Declare.
8475 * flow.c (first_insn_after_basic_block_note): Define. Moved
8477 * ssa.c (first_insn_after_basic_block_note): Remove.
8478 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8480 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8481 nodes when we find a dead conditional branch. Insert BARRIERs
8482 after any blocks with no successors, but which do not have
8485 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8487 * varray.c (varray_check_failed): Use internal_error.
8489 2001-07-05 Andrew Haley <aph@redhat.com>
8491 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8492 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8493 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8495 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8497 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8498 reference if the target constant is also a SYMBOL_REF.
8500 2001-07-05 Eric Christopher <echristo@redhat.com>
8502 * config/mips/mips.h (MASK_MIPS3900): Remove.
8503 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8504 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8505 (TARGET_MIPS3900): Change to use mips_arch.
8506 (TARGET_MIPS4000): New.
8507 (TARGET_MIPS4100): New.
8508 (TARGET_MIPS4300): New.
8509 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8510 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8512 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8513 (ISA_HAS_BRANCHLIKELY): To here.
8514 (CC1_CPU_SPEC): New.
8515 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8516 (mips_arch_string): Declare.
8517 (mips_arch): Declare.
8518 (TARGET_OPTIONS): Add -march and -mtune.
8520 * config/mips/mips.c (mips_arch_string): New.
8522 (override_options): Handle -march for codegen and -mtune
8523 for scheduling. Use mips_arch. Move tx39 target default here.
8524 (mips_parse_cpu): Move error message to override_options.
8526 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8528 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8530 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8531 (MIPS Options): Ditto. Change mcpu entry to historical text.
8533 2001-07-05 H.J. Lu (hjl@gnu.org)
8535 * config/mips/mips.c (mips_parse_cpu): New function to parse
8538 2001-07-05 Jim Wilson <wilson@redhat.com>
8540 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8541 * config/ia64/t-ia64: Likewise.
8542 (LIB1ASMFUNCS): Update comment.
8544 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8546 * doc/install.texi (Install GCC: Binaries): Fix typo.
8548 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8550 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8551 reference using the stack pointer, adjust it since we push Y
8553 ("*ashrsi3"): Likewise.
8554 ("*lshrsi3"): Likewise.
8556 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8558 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8559 when -fomit-frame-pointer is used.
8561 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8563 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8564 (try_redirect_by_replacing_jump): Reverse updating properly the
8565 count and frequency information. Reverse removing cc0 setter.
8566 (forwarder_block_p): Reverse fixing for fallthru blocks.
8568 2001-07-05 DJ Delorie <dj@redhat.com>
8570 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8571 (translate_options): If the above is defined, use it to map
8572 given options to new options.
8573 * doc/tm.texi: Document it.
8575 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8576 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8578 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8579 cause programs using computed gotos to run more slowly.
8581 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8583 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8585 Consistently require binutils 2.11.2, not prereleases.
8586 (Specific, decstation-*): Canonicalize as mips-dec-*.
8587 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8589 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8590 (Specific, mips-*): Reword MIPS C compiler requirements.
8591 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8592 (Specific, sunv5): Removed, obsolete.
8594 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8596 * dwarf2out.c (output_loc_list): Use an all ones mask for
8597 .text asm output and don't rely on long long
8598 literals. Reformat some long lines.
8600 2001-07-05 Andreas Jaeger <aj@suse.de>
8602 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8605 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8607 * dwarf2out.c (dwarf2out_define): Update comment.
8608 (dwarf2out_undef): Ditto.
8609 (dwarf2out_start_source_file): Ditto.
8610 (dwarf2out_end_source_file): Ditto.
8611 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8612 since we never call the start/end debug hook for the primary file.
8614 2001-07-04 Kazu Hirata <kazu@hxi.com>
8616 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8619 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8621 * cppinit.c (remove_dup_dirs): Inform if a system include
8622 directory is being reordered.
8623 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8625 * doc/cpp.texi (Search Paths): Likewise.
8626 * doc/gcc.texi (Interoperation): Remove information about
8629 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8631 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8632 (VARRAY_TOP_CHAR_PTR): Likewise.
8634 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8636 * gcc.c (process_command): Don't assign elements of a const char*.
8638 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8640 * emit-rtl.c (change_address): Don't abort if invalid address while
8641 reload is in progress.
8643 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8645 * c-lex.c (cb_file_change): Pass line number to
8646 debug_start_source_file.
8647 (cb_undefine): Pass correct line number to debug_undef.
8649 * toplev.c (debug_start_source_file): Add line number to
8650 parameters. Pass it along to dwarf2out_start_source_file.
8651 (decode_g_option): Stop resetting debug level back to normal when
8652 we change debug formats, unless the current level is
8653 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8656 * toplev.h (debug_start_source_file): Add line number to
8659 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8662 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8664 Output debug_macinfo data for starting file if requested.
8665 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8667 (dwarf2out_define): Output debug_macinfo data for defining a macro
8669 (dwarf2out_undef): Output debug_macinfo data for undefining a
8671 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8672 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8673 (macinfo_section_label): New. DWARF2 macro info section label.
8674 (dwarf2out_init): If we want macro info, output the start label
8676 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8677 attribute to the compilation unit die pointing to the macro info.
8679 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8681 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8682 DWARF2_DEBUGGING_INFO.
8683 (add_loc_descr_to_loc_list): Ditto.
8684 (output_loc_list): Ditto.
8685 Also, fix thinko in curr not being initialized.
8686 (gen_internal_sym): Ditto.
8688 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8690 * emit-rtl.c (replace_equiv_address): New function.
8691 * expr.h (replace_equiv_address): New declaration.
8692 * explow.c (validize_mem): Call it instead of change_address and
8693 also call if -fforce-addr and address is constant.
8694 * expr.c: Replace more calls to change_address with adjust_address
8695 and/or replace_equiv_address or to validize_mem.
8696 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8697 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8698 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8699 * config/i370/i370.md, config/i860/i860.md: Likewise.
8700 * config/i960/i960.md, config/mips/mips.c: Likewise.
8701 * config/mips/mips.md, config/pa/pa.md: Likewise.
8702 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8703 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8705 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8707 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8709 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8712 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8714 * doc/include: New directory.
8715 * doc/fdl.texi: Move to doc/include/fdl.texi.
8716 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8717 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8718 * doc/gcc.texi: Use funding.texi and gpl.texi.
8719 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8720 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8721 Update dependencies and use -I $(docdir)/include.
8723 2001-07-04 Anthony Green <green@redhat.com>
8725 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8727 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8729 * doc/install.texi (sparc64-*-*): Remove garbage.
8731 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8733 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8734 Fix typo in last change to use adjust_address.
8736 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8738 * doc/install.texi (Specific): Update information for *-*-solaris*.
8740 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8742 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8744 2001-07-03 Stan Shebs <shebs@apple.com>
8746 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8747 case for flag_no_mach_text_sections.
8748 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8749 * config/darwin.c (flag_no_mach_text_sections): Remove.
8750 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8752 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8754 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8755 and avoid checking for constant as first operand.
8756 * recog.c (find_constant_term_loc): No longer static.
8757 (adj_offettable_operand): Delete.
8758 * rtl.h (adj_offsettable_operand): Delete declaration.
8759 (find_constant_term): Add declaration.
8760 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8762 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8763 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8764 * config/i386/i386.c, config/i386/i386.md: Likewise.
8765 * config/i860/i860.c, config/i960/i960.c: Likewise.
8766 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8767 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8768 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8769 * config/mips/mips.c, config/mips/mips.md: Likewise.
8770 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8771 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8772 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8773 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8774 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8775 * config/ns32k/ns32k.md: Likewise.
8777 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8779 * rtl.c (copy_rtx): Handle 'T' format letter.
8780 * gensupport.c (collect_insn_data): Likewise.
8781 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8783 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8785 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8786 -B option. Use 'dir' not 'foo' as example directory name.
8788 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8790 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8791 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8793 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8795 * doc/cppinternals.texi: Improve formatting and logical markup.
8797 2001-07-03 Andreas Jaeger <aj@suse.de>
8799 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8801 * genrecog.c (write_header): Include reload.h for prototypes in
8804 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8807 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8808 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8809 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8810 i386_pe_valid_type_attribute_p): Add.
8811 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8812 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8814 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8816 * explow.c (plus_constant_wide, case LO_SUM): New case.
8817 (plus_constant_for_output_wide): Delete.
8818 * rtl.h (plus_constant_for_output): Delete.
8819 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8820 instead of plus_constant_for_output.
8821 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8822 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8823 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8824 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8825 * config/sparc/sparc.md: Likewise.
8826 Convert some change_address calls to adjust_address.
8828 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8830 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8831 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8832 documentation of -std and -Wwrite-strings.
8834 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8836 * cse.c (canon_hash): Don't register registers in very small
8837 register classes, as extending their lifetime might cause
8840 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8842 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8844 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8845 (try_redirect_by_replacing_jump): Update properly the count
8846 and frequency information.
8848 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8850 * toplev.c (dump_file_index): Move SSA dumps just after first
8852 (dump_file): Corresponding changes.
8853 (rest_of_compilation): Move SSA path to just after the first
8855 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8856 * doc/invoke.texi: Update dump file #s as they were completely
8857 out of date with reality.
8859 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8861 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8863 * expr.c (emit_move_insn_1): Deal with non-default
8866 * expr.c (emit_single_push_insn): Fix warning.
8868 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8870 * expr.c (emit_move_insn_1): Avoid modifying
8871 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8873 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8875 * emit-rtl.c (adjust_address): New function.
8876 * expr.h (adjust_address): Add declaration.
8877 * builtins.c: Replace some calls to change_address with calls to it
8879 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8880 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8881 * config/arm/arm.c, config/convex/convex.c: Likewise.
8882 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8883 * config/i386/i386.c, config/i386/i386.md: Likewise.
8884 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8885 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8886 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8887 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8888 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8890 2001-07-02 Jim Wilson <wilson@redhat.com>
8892 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8894 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8896 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8897 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8899 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8901 * cppinit.c (lang_defaults): New table.
8902 (set_lang): Just read from lang_defaults into the live options
8905 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8907 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8908 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8909 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8911 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8913 * doc/install.texi: Various spelling and markup fixes.
8914 (Installing GCC): Component specific installation instructions are
8917 Warn about removing old install dir in the presence of shared libs.
8918 (Configuration): Invoke with options target to match configure
8920 Consistently refer to gas, gld pathnames.
8921 Invert --enable-multilib documentation.
8922 Remove references to old compiler versions.
8924 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8926 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8928 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8930 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8932 (Specific, mips*-sgi-irix5): Note IDO download.
8933 Reworded MIPS C hints.
8934 Use GNU as instead of GAS.
8936 Removed SGI Freeware reference, IRIX 6 only.
8937 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8938 Note N64 library requirement/workaround.
8940 Complete list of structure passing bug victims.
8942 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8944 * doc/install.texi: Remove CVS Id.
8946 2001-07-02 Andreas Jaeger <aj@suse.de>
8948 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8949 (find_inherently_necessary): Remove unused variable.
8951 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8953 * c-common.h (TDI_inlined): New ast dump phase.
8954 (dump_flag_name): New function.
8955 * c-dump.c (dump_files): Add inlined phase.
8956 (dump_flag_name): Define.
8957 * doc/invoke.texi (-fdump-ast-inlined): Document.
8959 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8961 * stor-layout.c (layout_decl): Revert change to handling of alignment
8964 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8966 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8969 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8971 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8974 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8976 * tlink.c (recompile_files): Remove COMPILER_PATH and
8977 LIBRARY_PATH from the environment.
8979 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8981 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8982 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8984 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8986 * c-parse.in (OBJC_STRING): Kill.
8987 (objc_string): Decompose to [objc_string] '@' STRING.
8988 (reswords): Take the leading '@' off all the Objective C keywords.
8989 (objc_rid_sans_at): Kill.
8990 (init_reswords): Don't initialize it.
8991 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8992 (_yylex): Kill reconsider label. Look ahead one token after
8993 an '@'; if we get an identifier, check whether it's an
8994 Objective C @-keyword. If so, return the keyword. Otherwise,
8995 put back the token and return the '@' as a terminal.
8997 * cpplib.c (lex_macro_node): Remove unnecessary check for
8998 leading '@' on identifier. Clarify control flow and commentary.
9000 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9002 * cse.c (new_label_ref): Variable deleted.
9003 (insert): Remove set of new_label_ref.
9004 (check_for_label_ref): New function.
9005 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9007 See ChangeLog.5 for earlier changes.