1 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * function.c (fix_lexical_address): Use set_mem_alias_set.
4 (expand_function_start): Likewise.
5 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
7 * varasm.c (output_constant): Fix unused variable warning.
9 * attribs.c: New file, from c-common.c.
10 (attribute_tables): Now four elements.
11 (format_attribute_table, lang_attribute_common): New variables.
12 (init_attributes): Reflect above changes.
13 (handle_mode_attribute): Delete check for wider than uintmax.
14 * c-common.c: Delete parts moved to attribs.c.
15 (enum attrs): Deleted; unused.
16 (c_format_attribute_table): New variable.
17 (c_common_lang_init): Initialize format_attribute_table with it.
18 * c-common.h (decl_attributes): Remove decl.
19 * tree.h (decl_attribute): Move it to here.
20 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
21 (attribs.o): New rule.
23 2001-09-22 Andreas Jaeger <aj@suse.de>
25 * builtins.c (c_getstr): Remove unused variable.
27 2001-09-21 Richard Henderson <rth@redhat.com>
29 * reload1.c (reload): Use delete_insn instead of splatting
32 2001-09-21 Richard Henderson <rth@redhat.com>
34 * reload.c (push_secondary_reload): Don't check for "=" in output
35 constraint after ""->ALL_REGS check.
37 2001-09-21 Richard Henderson <rth@redhat.com>
39 * predict.c (expected_value_to_br_prob): Use pc_set.
41 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
42 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
44 2001-09-21 Richard Henderson <rth@redhat.com>
46 * rtl.h (LCT_RETURNS_TWICE): New.
47 * calls.c (emit_call_1): Set current_function_calls_setjmp for
49 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
51 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
54 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
56 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
59 2001-09-21 Richard Henderson <rth@redhat.com>
61 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
64 2001-09-21 Richard Henderson <rth@redhat.com>
66 * tree.def (FDESC_EXPR): New.
67 * expr.c (expand_expr): Handle it.
68 * varasm.c (initializer_constant_valid_p): Likewise.
69 (output_constant): Likewise.
70 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
71 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
72 (ASM_OUTPUT_FDESC): New.
73 * doc/tm.texi: Document the new macros.
75 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
77 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
78 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
79 once merging is complete.
81 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
83 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
85 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
87 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
88 that would be invalid after a merge.
90 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
92 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
93 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
95 (flow_delete_insn): This one.
96 (delete_insn_chain): Rename from ...; do not care labels.
97 (flow_delete_insn_chain): ... this one.
98 (flow_delete_block): Remove the insns one BB has been expunged.
99 (merge_blocks_nomove): Likewise.
100 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
101 updating BB boundaries.
102 (tidy_fallthru_edge): Likewise.
103 (commit_one_edge_insertion): Likewise.
104 * cfgbuild.c (find_basic_block): Likewise.
105 (find_basic_blocks_1): Likewise.
106 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
107 (try_crossjump_to_edge): Likewise.
108 (try_optimize_cfg): Likewise.
109 * cse.c (delete_trivially_dead_insns): Likewise.
110 * df.c (df_insn_delete): Likewise.
111 * doloop.c (doloop_modify): Use delete_related_insns.
112 * emit-rtl.c (try_split): Likewise.
113 (remove_insn): Update BB boundaries.
114 * expect.c (connect_post_landing_pads): Use delete_related_insns.
115 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
116 updating BB boundaries.
117 (propagate_block_delete_insn): Likewise.
118 (propagate_block_delete_libcall): Likewise.
119 * function.c (delete_handlers): Use delete_related_insns.
120 (thread_prologue_and_epilogue_insns): Likewise.
121 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
122 * genpeep.c (gen_peephole): Use delete_related_insns.
123 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
125 (find_cond_trap): Likewise.
126 * integrate.c (save_for_inline): Use delete_related_insns.
127 (copy_insn_list): Likewise.
128 * jump.c (pruge_linie_number_notes): Likewise.
129 (duplicate_loop_exit_test): Likewise.
130 (delete_computation): Likewise.
131 (delete_related_insn): Rename from ...; use delete_insn
132 (delete_insn): ... this one.
133 (redirect_jump): Use delete_related_insns.
134 * loop.c (scan_loop): Likewise.
135 (move_movables): Likewise.
136 (find_and_verify_loops): Likewise.
137 (check_dbra_loop): Likewise.
138 * recog.c (peephole2_optimize): Likewise.
139 * reg-stack.c (delete_insn_for_stacker): Remove.
140 (move_for_stack_reg): Use delete_insn.
141 * regmove.c (combine_stack_adjustments_for_block): Likewise.
142 * reload1.c (delete_address_reloads): Use delete_related_insns.
143 (fixup_abnormal_edges): Use delete_insn.
144 * recog.c (emit_delay_sequence): Use delete_related_insns.
145 (delete_from-delay_slot): Likewise.
146 (delete_scheduled_jump): likewise.
147 (optimize_skip): Likewise.
148 (try_merge_delay_insns): Likewise.
149 (full_simple_delay_slots): Likewise.
150 (fill_slots_from_thread): Likewise.
151 (relax_delay_slots): Likewise.
152 (make_return_insns): Likewise.
153 (dbr_schedule): Likewise.
154 * rtl.h (delete_insn): Rename to delete_related_insns.
155 (delete_insn, delete_insn_chain): New prototypes.
156 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
157 by df_insn_delete already.
158 * ssa-dce.c (delete_insn_bb): Use delete_insn.
159 * ssa.c (convert_from_ssa): Use delete_related_insns.
160 * unroll.c (unroll_loop): Likewise.
161 (calculate_giv_inc): Likewise.
162 (copy_loop_body): Likewise.
164 * i386-protos.h (ix86_libcall_value, ix86_function_value,
165 ix86_function_arg_regno_p, ix86_function_arg_boundary,
166 ix86_return_in_memory, ix86_function_value): Declare.
167 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
168 new static valurables.
169 (x86_64_reg_class): New enum
170 (x86_64_reg_class_name): New array.
171 (classify_argument, examine_argument, construct_container,
172 merge_classes): New static functions.
173 (optimization_options): Enable flag_omit_frame_pointer and disable
174 flag_pcc_struct_return on 64bit.
175 (ix86_libcall_value, ix86_function_value,
176 ix86_function_arg_regno_p, ix86_function_arg_boundary,
177 ix86_return_in_memory, ix86_function_value): New global functions.
178 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
179 (function_arg_advance): Handle x86_64 passing conventions.
180 (function_arg): Likewise.
181 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
182 (RETURN_IN_MEMORY): Move offline.
183 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
184 (FUNCTION_VALUE_REGNO_P): New macro.
185 (FUNCTION_ARG_REGNO_P): Move offline.
186 (struct ix86_args): Add maybe_vaarg.
187 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
188 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
190 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
192 * s390.md: Changed attributes for scheduling.
193 * s390.c: (s390_adjust_cost, s390_adjust_priority)
196 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
198 Table-driven attributes.
199 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
200 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
201 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
202 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
203 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
204 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
205 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
206 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
207 * tree.h (struct tree_decl): Change machine_attributes to
209 * doc/c-tree.texi: Document that all attributes are now attached
211 * c-common.c (add_attribute, attrtab, attrtab_idx,
212 default_valid_lang_attribute, valid_lang_attribute): Remove.
213 (attribute_tables, attributes_initialized,
214 c_common_attribute_table, default_lang_attribute_table): New
216 (handle_packed_attribute, handle_nocommon_attribute,
217 handle_common_attribute, handle_noreturn_attribute,
218 handle_unused_attribute, handle_const_attribute,
219 handle_transparent_union_attribute, handle_constructor_attribute,
220 handle_destructor_attribute, handle_mode_attribute,
221 handle_section_attribute, handle_aligned_attribute,
222 handle_weak_attribute, handle_alias_attribute,
223 handle_no_instrument_function_attribute,
224 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
225 handle_no_limit_stack_attribute, handle_pure_attribute): New
227 (init_attributes, decl_attributes): Rewrite to implement
228 table-driven attributes.
229 * c-common.h (enum attribute_flags): Move to tree.h.
230 * c-format.c (decl_handle_format_attribute,
231 decl_handle_format_arg_attribute): Rename to
232 handle_format_attribute and handle_format_arg_attribute. Update
233 for table-driven attributes.
234 * c-common.h (decl_handle_format_attribute,
235 decl_handle_format_arg_attribute): Remove prototypes.
236 (handle_format_attribute, handle_format_arg_attribute): Add
238 * c-decl.c (grokdeclarator): Handle attributes nested inside
240 * c-parse.in (setattrs, maybe_setattrs): Remove.
241 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
242 Update to handle nested attributes properly.
243 (maybe_resetattrs, after_type_declarator,
244 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
245 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
247 (make_pointer_declarator): Update to handle nested attributes
249 * doc/extend.texi: Update documentation of limits of attributes
250 syntax. Warn about problems with attribute semantics in C++.
251 * target.h (struct target): Remove valid_decl_attribute and
252 valid_type_attribute. Add attribute_table and
253 function_attribute_inlinable_p.
254 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
255 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
256 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
258 (TARGET_INITIALIZER): Update.
259 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
261 (function_attribute_inlinable_p): New function. Check for the
262 presence of any machine attributes before using
263 targetm.function_attribute_inlinable_p.
264 (function_cannot_inline_p): Update.
265 * Makefile.in (integrate.o): Update dependencies.
266 * doc/tm.texi: Update documentation of target attributes and
267 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
268 * tree.c (default_valid_attribute_p, valid_machine_attribute):
270 (default_target_attribute_table,
271 default_function_attribute_inlinable_p): New.
272 (lookup_attribute): Update comment to clarify handling of multiple
273 attributes with the same name.
274 (merge_attributes, attribute_list_contained): Allow multiple
275 attributes with the same name but different arguments to appear in
276 the same attribute list.
277 * tree.h (default_valid_attribute_p): Remove prototype.
278 (struct attribute_spec): New.
279 (default_target_attribute_table): Declare.
280 (enum attribute_flags): Move from c-common.h. Add
281 ATTR_FLAG_TYPE_IN_PLACE.
282 (default_function_attribute_inlinable_p): Declare.
283 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
284 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
285 (TARGET_ATTRIBUTE_TABLE): Define.
286 (vms_attribute_table): New.
287 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
288 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
289 (TARGET_ATTRIBUTE_TABLE): Define.
290 (arc_attribute_table, arc_handle_interrupt_attribute): New.
291 * config/arm/arm.c (arm_valid_type_attribute_p,
292 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
294 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
296 (TARGET_ATTRIBUTE_TABLE): Define.
297 (arm_attribute_table, arm_handle_fndecl_attribute,
298 arm_handle_isr_attribute): New.
299 * config/avr/avr.c (avr_valid_type_attribute,
300 avr_valid_decl_attribute): Remove.
301 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
303 (TARGET_ATTRIBUTE_TABLE): Define.
304 (avr_attribute_table, avr_handle_progmem_attribute,
305 avr_handle_fndecl_attribute): New.
306 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
307 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
308 (TARGET_ATTRIBUTE_TABLE): Define.
309 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
310 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
311 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
312 (TARGET_ATTRIBUTE_TABLE): Define.
313 (h8300_attribute_table, h8300_handle_fndecl_attribute,
314 h8300_handle_eightbit_data_attribute,
315 h8300_handle_tiny_data_attribute): New.
316 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
317 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
319 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
321 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
322 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
324 (TARGET_ATTRIBUTE_TABLE): Define.
325 (ix86_attribute_table, ix86_handle_cdecl_attribute,
326 ix86_handle_regparm_attribute): New.
327 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
328 i386_pe_valid_type_attribute_p): Remove.
329 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
330 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
331 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
332 (TARGET_ATTRIBUTE_TABLE): Define.
333 (ia64_attribute_table): New.
334 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
335 interrupt_ident2, model_ident1, model_ident2): Remove.
336 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
337 (TARGET_ATTRIBUTE_TABLE): Define.
338 (init_idents): Update.
339 (m32r_attribute_table, m32r_handle_model_attribute): New.
340 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
342 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
343 (TARGET_ATTRIBUTE_TABLE): Define.
344 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
345 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
346 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
347 (TARGET_ATTRIBUTE_TABLE): Define.
348 (mcore_attribute_table, mcore_handle_naked_attribute): New.
349 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
350 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
351 (TARGET_ATTRIBUTE_TABLE): Define.
352 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
353 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
354 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
355 (TARGET_ATTRIBUTE_TABLE): Define.
356 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
357 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
358 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
359 (TARGET_ATTRIBUTE_TABLE): Define.
360 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
361 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
363 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
365 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
366 (TARGET_ATTRIBUTE_TABLE): Define.
367 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
369 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
370 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
371 (TARGET_ATTRIBUTE_TABLE): Define.
372 (v850_attribute_table, v850_handle_interrupt_attribute,
373 v850_handle_data_area_attribute): New.
374 * config/v850/v850-c.c (mark_current_function_as_interrupt):
375 Return void. Call decl_attributes instead of
376 valid_machine_attribute.
378 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
380 * sh-protos.h (sh_pr_n_sets): Declare.
381 * sh.c (calc_live_regs): If the initial value for PR has been copied,
382 look at the copy to determine if PR needs to be saved.
383 sh_pr_n_sets: New function.
384 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
385 (ALLOCATE_INITIAL_VALUE): Define.
387 * sh.c (initial_elimination_offset):
388 Fix RETURN_ADDRESS_POINTER_REGNUM case.
390 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
392 * integrate.c (allocate_initial_values): New function.
393 * integrate.h (allocate_initial_values): Declare.
394 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
396 * reload1.c (reload): And initialization of reg_equiv_memory_loc
398 * toplev.c (rest_of_compilation): To here.
399 Call allocate_initial_values.
400 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
402 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
404 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
406 2001-09-20 DJ Delorie <dj@redhat.com>
408 * c-typeck.c (really_start_incremental_init): Discriminate
409 between zero-length arrays and flexible arrays.
410 (push_init_level): Detect zero-length arrays and handle them
411 like fixed-sized arrays.
412 * expr.c (store_constructor): Handle zero-length arrays and
413 flexible arrays correctly.
414 * doc/extend.texi: Update zero-length array notes.
416 2001-09-20 Jim Wilson <wilson@redhat.com>
418 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
419 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
420 for issue port conflicts.
421 (cycle_end_fill_slots): TYPE_L instructions take two slots.
423 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
425 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
428 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
430 * fold-const.c (hashtab.h): Include.
431 (int_const_binop): Remove FORSIZE arg and compute from type; all
433 Call size_int_type_wide for all single-word constants.
434 (size_htab_hash, size_htab_eq): New functions.
435 (size_int_type_wide): Rework to use hash table.
436 * ggc-common.c (hashtab.h): Include.
437 (struct d_htab_root): New struct.
438 (d_htab_roots): New variable.
439 (ggc_add_deletable_htab, ggc_htab_delete): New functions
440 (ggc_mark_roots): Handle deletable htabs.
441 * ggc-page.c (ggc_marked_p): New function.
442 * ggc-simple.c (ggc_marked_p): Likewise.
443 * ggc.h: Reformatting throughout.
444 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
445 * tree.c (init_obstacks): Make type_hash_table a deletable root.
446 (type_hash_add): Allocate struct type_hash from GC memory.
447 (mark_hash_entry, mark_type_hash): Deleted.
448 (type_hash_marked_p, type_hash_mark): New functions.
449 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
451 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
453 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
456 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
458 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
459 array-too-large test for signed sizetype.
461 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
463 * i386.md (indirect_jump): Allow Pmode operand.
464 (tablejump): LIkewise; perform expansion to 64bit mode.
465 * i386.c (symbolic_operand): Allow 64bit PIC references.
466 (pic_symbolic_operand): Likewise.
467 (ix86_find_base_term): Strip the 64bit PIC references.
468 (legitimate_pic_address_disp_p): Handle 64bit PIC.
469 (legitimize_pic_address): Likewise.
470 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
471 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
473 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
475 * stringpool.c (get_identifier_with_length): New function.
476 * tree.h (get_identifier_with_length): New prototype.
478 2001-09-19 Alan Modra <amodra@bigpond.net.au>
479 David Edelsohn <edelsohn@gnu.org>
482 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
483 already sign-extended.
485 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
486 * config/rs6000/rs6000.c (logical_operand): Always compare op as
488 (rs6000_emit_set_long_const): Avoid unnecessary shift.
489 (output_profile_hook): Declare label_name const.
490 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
491 to match constraints.
493 2001-09-19 Stan Shebs <shebs@apple.com>
495 * alias.c: Fix typos in comments.
496 * sched-rgn.c (init_ready_list): Ditto.
497 * unwind-dw2.c (uw_frame_state_for): Ditto.
498 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
499 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
500 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
502 2001-09-19 Richard Henderson <rth@redhat.com>
504 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
506 * Makefile.in (cfg.o): Depend on TM_P_H.
508 2001-09-19 Richard Henderson <rth@redhat.com>
510 * config/alpha/alpha.c (local_symbol_p): Split out from ...
511 (local_symbolic_operand): ... here.
512 (small_symbolic_operand): Check mode.
513 (global_symbolic_operand): New.
514 (input_operand): Reject symbolics if explicit relocs.
515 (call_operand): Tidy.
516 (alpha_legitimize_address): Use movdi_er_high_g.
517 (alpha_expand_mov): Likewise.
518 * config/alpha/alpha-protos.h: Update.
519 * config/alpha/alpha.h (PREDICATE_CODES): Update.
520 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
521 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
522 (UNSPECV_LDGP2): Remove.
523 (all call patterns): Use 's' not 'i' for symbolic constraint.
524 (call_osf call_value_osf): Use call_operand.
525 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
526 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
527 (prologue_ldgp_1_er): Remove.
528 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
529 (builtin_setjmp_receiver_er patterns): Use them.
530 (exception_receiver_er): Likewise.
532 2001-09-19 Richard Henderson <rth@redhat.com>
534 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
536 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
537 and NON_LOCAL_GOTO notes.
538 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
539 copy over CALL_INSN_FUNCTION_USAGE.
541 2001-09-18 Catherine Moore <clm@redhat.com>
543 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
546 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
548 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
549 new-style tm_file specification. Specify correct tm_p_file,
550 md_file, and out_file for s390x.
552 * config/s390/linux.h, linux64.h: Don't include other target
553 macro header files. Now handled via tm_file.
555 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
556 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
557 are defined before use.
559 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
561 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
562 code generation only for Gnu assembler.
564 2001-09-18 Catherine Moore <clm@redhat.com>
566 * config/stormy16 (LIB_SPEC): Remove -lnosys.
568 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
570 * config/mips/mips.c (mips_frame_set): New.
571 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
572 a parallel frame-related expression with a set for each register.
574 2001-09-18 Philip Blundell <philb@gnu.org>
576 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
579 2001-09-17 Dale Johannesen <dalej@apple.com>
581 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
582 * config/rs6000/aix.h (FIXED_R2): Define.
583 * config/rs6000/darwin.h (FIXED_R2): Define.
584 * config/rs6000/sysv4.h (FIXED_R2): Define.
586 2001-09-17 Jeff Sturm <jsturm@one-point.com>
588 * except.c (dw2_build_landing_pads): New local
589 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
590 barrier after clobbers. Fixes c++/4012.
592 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
596 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
598 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
599 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
601 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
603 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
606 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
608 * cpphash.h (_cpp_lex_direct): New.
609 * cpplex.c (_cpp_lex_token): Update.
610 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
611 and increment that pointer.
612 * cppmacro.c (alloc_expansion_token): New.
613 (lex_expansion_token): Lex macro expansion directly into
616 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
618 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
620 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
622 * basic-block.h (free_bb_for_insn): Declare.
623 * bb-reorder.c (label_for_bb): Use block_label.
624 (emit_jump_to_block_after): Remove.
625 (insert_intra_1): Do not update block_for_insn.
626 (insert_inter_bb_scope_notes): Likewise; update bb->end
627 * cfg.c (free_bb_for_insn): New.
628 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
629 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
630 (commit_one_edge_insertion): Likewise.
631 (commit_one_edge_insertion): Do not update BB boundary.
632 (commit_edge_insertions): Do not call compute_bb_for_insn.
633 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
634 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
635 (merge_blocks_move_successor_nojumps): Likewise.
636 (try_crossjump_to_edge): Do not update block_for_insn.
637 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
638 * df.c (df_pattern_emit_later): Do not update BB boundary.
639 (df_jump_pattern_emit_after): Likewise.
640 (df_insn_move_before): Use emit_insn_before.
641 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
643 (add_insn_after, add_insn_before, emit_insns_after): Update BB
644 boundaries and basic_block_for_insn.
645 (reorder_insns_nobb): Rename from reorder_insns.
646 (reorder_insns): New.
647 (emit_block_insn_before, emit_block_insn_after): Kill.
648 * flow.c (check_function_return_warnings): Do not call
649 compute_bb_for_insn; Do not free basic_block_for_insn.
650 (attempt_auto_inc): Do not update basic_block_for_insn.
651 * function.c (emit_return_into_block): Likewise;
652 do not update BB boundaries.
653 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
654 (insert_insn_end_bb): Use emit_insn_before; Likewise.
655 (pre_insert_copy_insn): Likewise.
656 (update_ld_motion_notes): Likewise.
657 (insert_insn_start_bb): Likewise.
658 (replace_store_insn): Likewise.
659 * ifcvt.c (noce_process_if_block): Likewise.
660 (if_convert): Do not call compute_bb_for_insn.
661 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
662 Use emit_insn_before and emit_insn_after.
663 * recog.c (split_all_insns): Do not update BB boundaries;
664 Do not call compute_bb_for_insn.
665 (peephole2_optimize): Do not update BB boundaries.
666 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
668 (emit_swap_insn): Likewise.
669 (convert_regs_1): Likewise.
670 * reload1.c (reload): Call compute_bb_for_insn.
671 * rtl.h (reorder_insns_nobb): Declare.
672 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
673 * toplev.c (rest_of_compilation): Call free_bb_for_insn
674 at places CFG is invalidated; do not call compute_bb_for_insn.
676 * cfg.c (expunge_block): Invalidate BB structure.
678 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
681 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
683 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
685 * cpphash.h (_cpp_lex_token): Update prototype.
686 * cpplex.c (_cpp_lex_token): New prototype.
687 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
688 lex_macro_node, read_flag, do_pragma_poison): Update.
689 * cppmacro.c (cpp_get_token, parse_params,
690 lex_expansion_token): Update.
692 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
694 * cppmain.c (scan_translation_unit): Don't worry about
695 putting a space after hashes.
696 * cpplib.c (directive_diagnostics): New.
697 (_cpp_handle_directive): Update to use directive_diagnostics.
698 (run_directive): Don't toggle prevent_expansion.
699 (do_line): Backup in case of the line extension.
700 * cpplib.h (cpp_lexer_pos): Remove.
701 * cppmacro.c (_cpp_create_definition): Precede a leading #
704 2001-09-15 Richard Henderson <rth@redhat.com>
706 * c-typeck.c (comptypes): Handle zero-length arrays properly.
708 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
710 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
712 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
715 * tradcpp.c (handle_directive): Skip non-vertical space.
717 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
719 * cppmain.c (setup_callbacks): Set line callback only
720 if outputting preprocessed source.
722 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * collect2.c (main): Const-ification.
725 * gcc.c (translate_options, process_command): Use xstrdup in
726 lieu of xmalloc/strcpy.
727 (main): Use concat in lieu of xmalloc/strcpy/strcat.
729 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
731 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
734 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
736 * scan-decls.c (scan_decls): Fix typo.
738 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
740 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
741 Split mlstring_pos into mls_line and mls_col.
742 * cppinit.c (cpp_create_reader): Initialize line to 1.
743 (cpp_destroy): Free tokenruns.
744 (push_include): Don't update lexer_pos.
745 * cpplex.c (unterminated, parse_string): Update.
746 (lex_token): Don't update lexer_pos, update.
747 * cpplib.c (if_stack): Save line instead of line + col.
748 (start_directive, _cpp_do__Pragma, do_else, do_elif,
749 push_conditional, _cpp_pop_buffer): Update.
750 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
751 (_cpp_create_definition): Update.
753 2001-09-15 Eric Christopher <echristo@redhat.com>
755 * config/mips/abi64.h: Add support for MEABI.
757 2001-09-15 Eric Christopher <echristo@redhat.com>
759 * config/mips/mips.md: Add unspec #2.
761 (reload_outdi): Ditto.
762 (reload_outsi): Ditto.
765 2001-09-15 Eric Christopher <echristo@redhat.com>
766 Jason Eckhardt <jle@redhat.com>
768 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
769 * config/mips/isa32-linux.h: New file.
770 * config/mips/isa3264.h: Ditto.
771 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
772 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
773 (output_block_mode): Support MEABI.
774 (function_arg): Ditto. Fix floating point arg passing.
775 (mips_va_start): Ditto.
776 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
778 (mips_asm_file_start): Add new section to pass abi to gdb.
779 (function_arg_pass_by_reference): Support MEABI.
780 (mips_parse_cpu): Support mips32 and mips64 processors.
781 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
782 TARGET_MIPS5KC. Support isa32 and isa64.
783 (processor_type): Add r4kc, r5kc, r20kc.
784 (GENERATE_MULT3_SI): New.
785 (GENERATE_MULT3_DI): Ditto.
786 (GENERATE_MULT3): Remove.
787 (ISA_HAS_64BIT_REGS): Add isa == 64.
788 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
789 (ISA_HAS_MADD_MSUB): New.
790 (ISA_HAS_CLZ_CLO): Ditto.
791 (ISA_HAS_DCLZ_DCLO): Ditto.
792 (ABI_GAS_ASM_SPEC): New.
793 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
796 (SUBTARGET_CC1_SPEC): Ditto.
797 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
798 (PAD_VARARGS_DOWN): Support MEABI.
799 (HARD_REGNO_NREGS): Move to mips.c.
800 (ASM_OUTPUT_IDENT): Add #undef.
801 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
802 (mulsi3): Use GENERATE_MULT3_SI.
803 (mulsi3_mult3): Ditto. Support mips32, mips64.
804 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
805 (mul_sub_si): New pattern.
806 (unnamed splitters): New.
807 (muldi3): Use GENERATE_MULT3_DI.
808 (muldi3_internal2): Ditto.
809 (movdicc): Support mips32.
810 * config/mips/t-isa3264: New file.
812 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
814 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
815 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
816 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
818 * reorg.c (fill_slots_from_thread): After call to
819 steal_delay_list_from_target, update own_thread as new_thread may
822 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
824 * cpperror.c (print_location): Take line and column, for
825 default positioning use the previously lexed token.
826 (_cpp_begin_message): Take line and column.
827 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
828 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
829 * cpphash.h (_cpp_begin_message): Update prototype.
830 * cppinit.c (push_include): Don't set output line.
831 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
832 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
833 (do_pragma): Kludge for front ends. Don't expand macros at all.
834 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
835 (struct cpp_token): Remove output_line.
836 (struct cpp_callbacks): New member line_change.
837 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
838 cpp_get_token): Preserve BOL flag.
839 (cpp_get_line): Remove.
840 (_cpp_backup_tokens): Remove useless abort().
841 * cppmain.c (cb_line_change): New.
842 (scan_translation_unit): Don't worry about starting new lines here.
843 * scan-decls.c (scan_decls): Update.
844 * c-lex.c (c_lex, init_c_lex): Update.
845 (cb_line_change, src_lineno): New.
847 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
849 * tree.c (append_random_chars): Generate the random
850 characters in a reproducable fashion.
852 2001-09-14 Richard Henderson <rth@redhat.com>
854 * config/i386/i386.c (internal_label_prefix): New.
855 (internal_label_prefix_len): New.
856 (override_options): Set them.
857 (local_symbolic_operand): New.
858 (legitimate_pic_address_disp_p): Use it.
859 (legitimize_pic_address): Likewise.
861 2001-09-14 Marc Espie <espie@openbsd.org>
863 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
866 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
868 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
869 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
871 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
873 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
874 invocation of SUBREG_REGNO_OFFSET.
876 * haifa-sched.c: Fix typo in FSF copyright statement.
877 * sched-deps.c: Fix typo in FSF copyright statement.
878 * sched-ebb.c: Fix typo in FSF copyright statement.
879 * sched-rgn.c: Fix typo in FSF copyright statement.
880 * sched-vis.c: Fix typo in FSF copyright statement.
882 * config.gcc: Move inclusion of arm elf specific header files
883 from the files themselves into the tm_file variable. Make
884 sure that elfos.h is included before target specific elf
886 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
888 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
889 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
890 ASM_OUTPUT_CASE_LABEL): Protect definition.
891 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
893 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
894 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
895 Remove duplicate definition.
896 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
897 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
898 (RDATA_SECTION_FUNCTION): Remove redundant definition.
899 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
900 Remove inclusion of arm/elf.h.
901 * config/arm/unknown-elf.h: as for conix-elf.h.
902 (STARTFILE_SPEC): Include crti.o and crtn.o.
903 * config/arm/linux-elf.h: as for conix-elf.h.
904 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
905 * config/arm/strongarm-elf.h: Remove inclusion of
907 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
908 * config/arm/unknown-elf-oabi.h: Remove inclusion of
909 unknown-elf.h and elf.h.
910 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
911 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
912 ASM_WEAKEN_LABEL): Remove redundant definition.
913 * config/arm/elf.h: Test for inclusion of elfos.h
914 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
915 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
916 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
917 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
918 redundant definition.
919 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
920 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
921 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
922 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
923 Add rules to build crti.o and crtn.o
924 * crti.asm: New file.
925 * crtn.asm: New file.
927 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
929 * c-parse.in (_yylex): Use _cpp_backup_tokens.
930 * cpphash.h (struct tokenrun): Add prev.
931 (struct lexer_state): Remove bol.
932 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
933 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
935 * cppinit.c (cpp_create_reader): Don't set bol.
936 (cpp_destroy): Don't free lookaheads.
937 * cpplex.c (lex_directive): Remove.
938 (next_tokenrun): Update.
939 (_cpp_lex_token): Clean up logic.
940 (lex_token): Update to return a pointer to lexed token, since it
941 can move to the start of the buffer. Simpify newline handling.
942 * cpplib.c (SEEN_EOL): Update.
943 (skip_rest_of_line): Remove lookahead stuff.
944 (end_directive): Line numbers are already incremented. Revert
945 to start of lexed token buffer if we can.
946 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
947 parse_answer): Use _cpp_backup_tokens.
948 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
949 instead. Don't check for EOL.
950 (do_include_common, do_line, do_pragma_system_header): Use
952 * cpplib.h (BOL, _cpp_backup_tokens): New.
953 * cppmacro.c (save_lookahead_token, take_lookahead_token,
954 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
955 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
956 (builtin_macro): Don't use cpp_get_line.
957 (cpp_get_line): Short term kludge.
958 (parse_arg): Handle directives in arguments here. Back up when
959 appropriate. Store EOF at end of argument list.
960 (funlike_invocation_p): Use _cpp_backup_tokens.
961 (push_arg_context): Account for EOF at end of list.
962 (cpp_get_token): Remove lookahead stuff. Update.
964 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
966 * c-parse.in (yyerror): Const-ification and/or static-ization.
967 * c-typeck.c (push_member_name): Likewise.
968 * collect2.c (main): Likewise.
969 * dbxout.c (dbxout_parms): Likewise.
970 * diagnostic.c (format_with_decl): Likewise.
971 * dwarf2out.c (output_ranges): Likewise.
972 * dwarfout.c (fundamental_type_code): Likewise.
973 * except.c (dw2_output_call_site_table): Likewise.
974 * gcc.c (do_spec_1): Likewise.
975 * genopinit.c (optabs): Likewise.
976 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
977 gen_declaration_1, handle_impent): Likewise.
978 * protoize.c (default_include, in_system_include_dir, abspath):
980 * sched-vis.c (visualize_stall_cycles): Likewise.
981 * sdbout.c (plain_type_1, sdbout_end_function,
982 sdbout_end_epilogue): Likewise.
983 * varasm.c (decode_reg_name): Likewise.
985 * 1750a.c (mod_regno_adjust): Likewise.
986 * alpha.c (alpha_write_one_linkage,
987 unicosmk_output_default_externs): Likewise.
988 * arm.c (arm_condition_codes): Likewise.
989 * arm.h (arm_condition_codes): Likewise.
990 * avr.c (output_movsisf, encode_section_info): Likewise.
991 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
993 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
994 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
995 * m88k.c (output_function_profiler): Likewise.
996 * mips.c (mips_output_conditional_branch): Likewise.
997 * ns32k.c (ns32k_out_reg_names): Likewise.
998 * ns32k.h (ns32k_out_reg_names): Likewise.
999 * pj.c (pj_output_rval): Likewise.
1000 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1001 * sparc.c (sparc_flat_function_prologue,
1002 sparc_flat_function_epilogue): Likewise.
1004 2001-09-13 Markus Werle <numerical.simulation@web.de>
1005 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1007 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1008 Aachen University of Technology".
1010 2001-09-13 Andreas Schwab <schwab@suse.de>
1012 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1015 2001-09-13 Richard Henderson <rth@redhat.com>
1017 * config/alpha/alpha.c (small_symbolic_operand): New.
1018 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1019 (some_operand, input_operand): Don't handle HIGH.
1020 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1021 (alpha_expand_mov): Likewise.
1022 (print_operand) [H]: Just print HIGH symbol.
1023 (print_operand_address): Handle small data.
1024 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1025 (TARGET_SWITCHES): Add -msmall-data/large-data.
1026 (PIC_OFFSET_TABLE_REGNUM): New.
1027 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1028 (PREDICATE_COES): Update.
1029 * config/alpha/alpha.md (adddi_er_high): New.
1030 (adddi_er_low): Handle small data.
1031 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1032 prefer .sdata to .rodata.
1033 (SELECT_RTX_SECTION): Likewise.
1035 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1037 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1038 defining __size_t and leaving size_t undefined.
1040 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1042 * basic-block.h (expunge_block): Declare.
1043 * cfg.c (expunge_block): Remove static declaration.
1045 2001-09-12 Richard Henderson <rth@redhat.com>
1047 * integrate.c (copy_insn_list): Copy label name from
1048 NOTE_INSN_DELETED_LABEL.
1050 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * c-common.c (c_tree_code_name): Const-ification.
1053 * c-decl.c (c_decode_option): Likewise.
1054 * c-typeck.c (warn_for_assignment): Likewise.
1055 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1057 * cppinit.c (output_deps): Likewise.
1058 * dependence.c (dependence_string, direction_string): Likewise.
1059 * dwarf2out.c (output_ranges): Likewise.
1060 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1061 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1062 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1063 standard_startfile_prefix, standard_startfile_prefix_1,
1064 standard_startfile_prefix_2, tooldir_base_prefix,
1065 standard_bindir_prefix, find_a_file): Likewise.
1066 * genattrtab.c (make_length_attrs): Likewise.
1067 * gencheck.c (tree_codes): Likewise.
1068 * genemit.c (gen_split): Likewise.
1069 * genrecog.c (special_mode_pred_table): Likewise.
1070 * graph.c (graph_ext): Likewise.
1071 * protoize (default_include): Likewise.
1072 * reload.c (reload_when_needed_name): Likewise.
1073 * sched-vis.c (visualize_stall_cycles): Likewise.
1074 * tlink.c (recompile_files): Likewise.
1075 * toplev.c (decode_g_option): Likewise.
1076 * tradcpp.c (output_deps): Likewise.
1077 * varasm.c (decode_reg_name): Likewise.
1079 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1082 * avr.c (avr_regnames, encode_section_info): Likewise.
1083 * c4x.c (float_reg_names): Likewise.
1084 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1085 * elfos.h (const_section): Likewise.
1086 * i386.c (ix86_comp_type_attributes): Likewise.
1087 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1088 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1089 * ia64.c (type_names): Likewise.
1090 * m68hc11.c (reg_class_names): Likewise.
1091 * m88k.c (m_options): Likewise.
1092 * mips.c (mips_output_conditional_branch, mips_unique_section):
1094 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1095 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1096 ultra_code_names): Likewise.
1097 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1099 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1101 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1102 Use --fatal-warnings option for gas.
1103 * configure: Rebuilt.
1105 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1107 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1109 2001-09-11 Jim Wilson <wilson@redhat.com>
1111 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1113 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1115 * builtins.c (c_strlen): Treat an offset too large for a
1116 HOST_WIDE_INT as out of range.
1118 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1120 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1121 (EDGE_CRITICAL_P): New predicate.
1122 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1124 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1125 (dump_edge_info): Remove "crit".
1126 * cfganal.c (mark_critical_edges): Kill.
1127 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1128 * cfgcleanup.c (cleanup_cfg): Likewise.
1129 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1130 (find_spanning_tree): Likewise.
1131 * reg-stack.c (convert_regs_1): Likewise.
1132 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1134 * basic-block.h (create_basic_block_structure): New.
1135 (create_basic_block): Update prototype.
1136 (force_nonfallthru): New.
1137 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1138 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1139 handle updating of block_for_insn, creating of empty BBs and BBs at
1140 the end of INSN chain.
1141 (create_basic_block): New function.
1142 (split_block): Use create_basic_block.
1143 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1144 (redirect_edge_and_branch_force): ... here.
1145 (force_nonfallthru): New.
1146 (split_edge): Rewrite to use force_nonfallthru and create_block.
1147 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1148 (find_basic_blocks): Free basic_block_for_insn.
1149 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1151 * cfg.c: Fix formating.
1152 * cfgcleanup.c: Fix formating.
1153 (merge_blocks, tail_recursion_label_p): Return bool.
1154 (merge_blocks_move_predecessor_nojumps,
1155 merge_blocks_move_successor_nojumps): Return void.
1157 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1159 * configure.in: Check whether assembler supports section merging.
1160 * config.in: Rebuilt.
1161 * configure: Rebuilt.
1162 * varasm.c (variable_section, output_constant_pool): Pass alignment
1163 to SELECT_SECTION and SELECT_RTX_SECTION.
1164 (mergeable_string_section): New.
1165 (mergeable_constant_section): New.
1166 (default_elf_asm_named_section): Output SECTION_MERGE and
1167 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1168 * output.h (mergeable_string_section): New.
1169 (mergeable_constant_section): New.
1170 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1171 * toplev.c (flag_merge_constants): New.
1172 (f_options): Add -fmerge-constants and -fmerge-all-constants
1174 (toplev_main): Default to -fno-merge-constants if not optimizing.
1175 * flags.h (flag_merge_constants): Add extern.
1176 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1177 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1179 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1180 Define if assembler has working .subsection -1 support.
1181 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1182 Put constant into special SHF_MERGE sections if the linker should
1183 attempt to merge duplicates.
1184 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1186 Put constant into special SHF_MERGE sections if the linker should
1187 attempt to merge duplicates.
1188 * config/alpha/elf.h: Likewise.
1189 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1190 has working .subsection -1 support.
1191 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1193 * config/svr3.h: Likewise.
1194 * config/darwin.h: Likewise.
1195 * config/arm/aof.h: Likewise.
1196 * config/arm/linux-elf.h: Likewise.
1197 * config/avr/avr.h: Likewise.
1198 * config/c4x/c4x.h: Likewise.
1199 * config/d30v/d30v.h: Likewise.
1200 * config/i386/dgux.h: Likewise.
1201 * config/i386/osfrose.h: Likewise.
1202 * config/i386/sco5.h: Likewise.
1203 * config/i386/svr3gas.h: Likewise.
1204 * config/ia64/aix.h: Likewise.
1205 * config/m32r/m32r.h: Likewise.
1206 * config/m68k/m68k.h: Likewise.
1207 * config/m88k/dgux.h: Likewise.
1208 * config/m88k/m88k.h: Likewise.
1209 * config/mcore/mcore-pe.h: Likewise.
1210 * config/mips/mips.h: Likewise.
1211 * config/pa/pa.h: Likewise.
1212 * config/pa/pa-linux.h: Likewise.
1213 * config/romp/romp.h: Likewise.
1214 * config/rs6000/sysv4.h: Likewise.
1215 * config/rs6000/xcoff.h: Likewise.
1216 * config/s390/linux.h: Likewise.
1217 * config/sparc/sparc.h: Likewise.
1218 * config/sparc/sysv4.h: Likewise.
1219 * config/stormy16/stormy16.h: Likewise.
1220 * config/v850/v850.h: Likewise.
1221 * config/vax/vms.h: Likewise.
1222 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1223 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1224 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1225 default_elf_asm_named_section for SHF_MERGE sections.
1227 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1229 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1232 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1234 * c-common.c (split_specs_attrs): Allow for empty attributes with
1235 empty TREE_PURPOSE. Fixes PR c/4294.
1237 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1239 * basic-block.h (cached_make_edge, make_single_succ): New.
1240 (make_edge): Remove first parameter.
1241 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1242 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1243 created edge; use obstack allocation.
1244 (make_edge, make_single_succ_edge): New.
1245 (first_removed_edge): New static variable.
1246 (init_flow): Initialize first_removed_edge and n_edges.
1247 (clear_edges): Use remove_edge.
1248 (flow_delete_block): Likewise.
1249 (remove_edge): Add removed edges to the removed edges list.
1250 (split_block, redirect_edge_and_branch_force, split_edge):
1252 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1253 (add_noreturn_fake_exit_edges): Likewise.
1254 (connect_infinite_loops_to_exit): Liekwise.
1255 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1256 Use cached_make_edge.
1257 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1258 * profile.c (branch_prob): Update make_edge call.
1259 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1261 2001-09-11 Richard Henderson <rth@redhat.com>
1263 * config/alpha/alpha.c: Tidy formatting.
1264 (local_symbolic_operand): Verify mode.
1265 (alpha_sa_mask): Ignore unicos for eh_return.
1266 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1267 * config/alpha/alpha.md (umk divsi patterns): Remove.
1268 (extendsfdf2): Remove unicos check.
1269 (tablejump): Merge vms and unicos code; always use direct set
1272 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1274 * config.gcc (alpha*-*-unicosmk*): New target.
1276 * config/alpha/alpha-protos.h (symbolic_operand,
1277 unicosmk_add_call_info_word, unicosmk_add_extern,
1278 unicosmk_defer_case_vector, unicosmk_unique_section,
1279 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1280 unicosmk_asm_file_start, unicosmk_asm_file_end,
1281 unicosmk_output_common): Declare.
1283 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1284 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1285 alpha_does_function_need_gp, alpha_end_function): Support Cray
1287 (alpha_init_machine_status, alpha_mark_machine_status,
1288 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1289 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1290 unicosmk_asm_named_section, unicosmk_insert_attributes,
1291 unicosmk_section_type_flags, symbolic_operand,
1292 unicosmk_output_module_name, unicosmk_output_default_externs,
1293 unicosmk_output_dex, unicosmk_output_externs,
1294 unicosmk_output_addr_vec, unicosmk_ssib_name,
1295 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1296 unicosmk_asm_file_end, unicosmk_output_common,
1297 unicosmk_section_type_flags, unicosmk_unique_section,
1298 unicosmk_add_call_info_word, unicosmk_text_section,
1299 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1300 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1301 unicosmk_dex_count, unicosmk_special_name): New.
1302 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1303 TARGET_ABI_UNICOSMK.
1304 (get_aligned_mem, alpha_expand_unaligned_load,
1305 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1306 alpha_expand_unaligned_store_words): Support big-endian mode.
1307 (print_operand): Likewise. New format specifier 't'. Use
1308 TARGET_AS_SLASH_BEFORE_SUFFIX.
1309 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1310 (alpha_pv_save_size): Update with above change.
1311 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1312 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1315 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1316 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1317 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1318 (EXTRA_CONSTRAINT): New constraint 'U'.
1319 (PREDICATE_CODES): Add symbolic_operand.
1321 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1322 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1323 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1324 (integer division and modulus patterns): Split in default and
1326 (*divmodsi_internal, *divmoddi_internal): Disable for
1327 TARGET_ABI_UNICOSMK.
1328 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1329 little-endian and big-endian versions.
1330 (ext, ins, msk): Likewise.
1331 (extv, extzv, insv): Support big-endian mode.
1332 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1333 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1334 *tablejump_umk_internal, *call_value_umk): New.
1335 (*movdi_nofix): Add pattern for loading an address into a register on
1336 TARGET_ABI_UNICOSMK.
1337 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1338 (umk_mismatch_args, arg_home_umk): New.
1339 (various insns): Don't use mov, fmov, nop, fnop and unop.
1340 (realign): Support TARGET_ABI_UNICOSMK.
1342 * config/alpha/unicosmk.h: New file.
1343 * config/alpha/t-unicosmk: New file.
1345 * fixinc/inclhack.def (unicosmk_restrict): New.
1346 * fixinc/fixincl.x: Regenerate.
1348 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1349 (wchar_t): Check for and define __WCHAR_T__.
1351 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1353 * combine.c (simplify_shift_const): Treat shifts by the mode
1356 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1358 * cpphash.h (struct tokenrun): New.
1359 (struct cpp_context): New member bol.
1360 (struct cpp_reader): New members.
1361 (_cpp_init_tokenrun): New.
1362 * cppinit.c (cpp_create_reader): Set up the token runs.
1363 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1364 (lex_token): New internalised version of _cpp_lex_token. Don't
1365 handle directives or the multiple include opimisation here any
1366 more. Simply lex a token.
1367 * cpplib.c (run_directive): Clear bol.
1368 (_cpp_pop_buffer): Set bol.
1369 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1372 2001-09-11 Michael Meissner <meissner@redhat.com>
1374 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1375 give an error if the user uses -mfp32.
1376 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1378 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1379 floating point register size.
1380 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1382 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1383 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1385 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1386 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1388 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1390 * dbxout.c (dbxout_parms): Fix typo in comment.
1391 * unroll.c (loop_find_equiv_value): Ditto.
1392 * toplev.c (rest_of_compilation): Ditto.
1393 * loop.c (scan_loop): Ditto.
1394 * dwarf2out.c (struct dw_fde_struct): Ditto.
1396 2001-09-10 Zack Weinberg <zackw@panix.com>
1398 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1399 copying identifier when we're just going to throw it away.
1400 (parse_identifier_slow): New routine to handle abnormal cases.
1401 (_cpp_lex_token): Update call site.
1403 * hashtable.c (ht_lookup): Don't assume that the string we've
1404 been given is NUL-terminated.
1405 * system.h: #define __builtin_expect(a, b) to (a) if not
1408 2001-09-10 Michael Meissner <meissner@redhat.com>
1410 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1413 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1415 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1417 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1419 * builtins.c (c_getstr): Correct thinko in last change and further
1422 2001-09-10 Tim Freeman <tim@fungibole.com>
1424 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1425 into varray's and register them as roots with the garbage
1426 collector so they are not collected too soon.
1428 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1430 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1432 * basic-block.h (flow_obstack, label_value_list,
1433 tail_recursion_label_list): Declare
1434 (tidy_fallthru_edges): Declare.
1435 (expunge_block, last_loop_beg_note): Delete.
1436 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1438 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1439 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1440 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1441 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1442 expunge_block, flow_delete_block, compute_bb_for_insn,
1443 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1444 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1445 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1446 try_redirect_by_replacing_jump, last_loop_beg_note,
1447 redirect_edge_and_branch, redirect_edge_and_branch_force,
1448 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1449 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1450 commit_edge_insertions, dump_flow_info, debug_flow_info,
1451 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1452 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1453 Move here from flow.c
1454 * cfganal.c: New file.
1455 (forwarder_block_p, can_fallthru, mark_critical_edges,
1456 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1457 find_unreachable_blocks, create_edge_list, free_edge_list,
1458 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1459 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1460 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1461 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1462 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1463 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1464 Move here from flow.c
1465 * cfgbuild.c: New file
1466 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1467 make_edges, find_basic_blocks_1, find_basic_blocks,
1468 find_sub_basic_blocks): Move here from flow.c
1469 * cfgcleanup.c: New file.
1470 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1471 merge_blocks_move_predecessor_nojumps,
1472 merge_blocks_move_successor_nojumps, merge_blocks,
1473 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1474 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1475 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1477 * cfgloop.c: New file
1478 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1479 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1480 flow_loop_exit_edges_find, flow_loop_nodes_find,
1481 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1482 flow_loop_tree_node_add, flow_loops_tree_build,
1483 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1484 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1485 Move here from flow.c
1486 * flow.c: Remove everything moved elsewhere
1487 * output.h (cleanup_cfg): Return bool.
1489 * bb-reorder.c (reorder_block_def): Remove 'index'.
1490 (insert_intra_1): Add argument BB, set block for new note.
1491 (make_reorder_chain): Do not depdent on BB indexes.
1492 (make_reorder_chain_1): Do not use BB indexes.
1493 (label_for_bb): Likewise; set BB for new insn.
1494 (emit_jump_to_block_after): Likewise.
1495 (fixup_reoder_chain): Sanity check that all basic blocks
1496 are chained; verify newly created insn chain; remove
1497 undocnitional jump simplifying; Do not use BB indexes;
1498 properly initialize count and frequency information;
1499 dump reordered sequence.
1500 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1501 (insert_inter_bb_scope_notes): Set block for new insn.
1502 (reorder_basic_blocks): Dump flow info before reoredering.
1504 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1506 * alias.c (clear_reg_alias_info): Use K&R format definition.
1507 Avoid unsigned warning.
1508 * builtins.c: Use "unsigned int", not "unsigned".
1509 (target_char_cast): Use host_integerp and tree_low_cst.
1510 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1511 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1512 (c_getstr): Likewise.
1513 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1514 (builtin_memcpy_read_str): Avoid unsigned warning.
1515 (expand_builtin_memcpy): Alignments are unsigned.
1516 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1517 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1518 * predict.c (expensive_function_p): LIMIT now unsigned.
1519 * resource.c (mark_target_live_regs): Make some vars unsigned.
1520 * sdbout.c: Use "unsigned int", not "unsigned".
1521 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1522 (sdbout_source_line): Likewise.
1523 (sdbout_record_type_name): Remove "const" for NAME declaration.
1524 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1526 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1528 * calls.c (store_one_arg): Expand comment.
1530 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1532 * calls.c (store_one_arg): Make sure that the entire argument is
1533 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1535 2001-09-09 Richard Henderson <rth@redhat.com>
1537 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1539 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1541 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1543 2001-09-09 Richard Henderson <rth@redhat.com>
1545 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1546 (alpha_this_literal_sequence_number): New.
1547 (alpha_this_gpdisp_sequence_number): New.
1548 (some_operand, input_operand): Add HIGH.
1549 (local_symbolic_operand): New.
1550 (alpha_encode_section_info): New.
1551 (alpha_legitimate_address_p): Allow LO_SUM.
1552 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1553 (alpha_expand_mov): Likewise.
1554 (secondary_reload_class): Check memory_operand not general_operand
1556 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1557 (alpha_expand_unaligned_store): Likewise.
1558 (alpha_expand_unaligned_load_words): Likewise.
1559 (alpha_expand_unaligned_store_words): Likewise.
1560 (alpha_expand_block_clear): Likewise.
1561 (print_operand): Handle %#, %*, %H.
1562 (print_operand_address): Handle LO_SUM.
1564 (alpha_does_function_need_gp): Use it.
1565 (alpha_expand_block_move): Fix signed compare warnings.
1566 (alpha_sa_mask, alpha_align_insns): Likewise.
1567 * config/alpha/alpha-protos.h: Update.
1568 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1569 (MASK_EXPLICIT_RELOCS): New.
1570 (TARGET_SWITCHES): Add -mexplicit-relocs.
1571 (EXTRA_CONSTRAINT): Add 'T'.
1572 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1573 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1574 (ENCODE_SECTION_INFO): Out line.
1575 (REDO_SECTION_INFO_P): New.
1576 (STRIP_NAME_ENCODING): New.
1577 (ASM_OUTPUT_LABELREF): New.
1578 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1579 (PREDICATE_CODES): Update.
1580 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1581 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1582 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1583 builtin_setjmp_receiver_er, exception_receiver_1_er,
1584 call_value_osf_1_er): New patterns.
1585 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1586 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1587 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1588 (FINAL_PRESCAN_INSN): New.
1590 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1592 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1594 2001-09-08 Andreas Jaeger <aj@suse.de>
1596 * i386.h (TARGET_SWITCHES): Fix description.
1598 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1600 * rs6000.c (num_insns_constant): Compute number of instructions
1603 * doc/install.texi: Explain AIX exception handling work-around.
1604 Update URL for AIX fixes.
1606 2001-09-07 Jim Wilson <wilson@redhat.com>
1608 * alias.c (clear_reg_alias_info): New.
1609 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1610 * rtl.h (clear_reg_alias_info): Declare.
1612 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1614 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1616 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1617 (m16m,edivm,emulm): Change declaration to match definition.
1619 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1621 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1622 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1625 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1627 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1628 which have no corresponding C type.
1629 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1630 the representation of 64-bit doubles to work with 64-bit ints.
1632 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1634 * config/mips/mips.c (override_options): Do not override ISA when ABI
1635 specified if MIPS_CPU_STRING_DEFAULT was specified.
1637 2001-09-07 Richard Henderson <rth@redhat.com>
1639 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1640 (express_from_1): Wrap lines.
1641 * rtlanal.c (commutative_operand_precedence): Rename from
1642 operand_preference; export.
1643 * rtl.h: Declare it.
1644 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1645 (simplify_binary_operation): Invoke simplify_plus_minus on
1646 (CONST (PLUS ...)) as well.
1647 (struct simplify_plus_minus_op_data): New.
1648 (simplify_plus_minus_op_data_cmp): New.
1649 (simplify_plus_minus): Use them. Avoid infinite recursion with
1650 simplify_binary_operation wrt CONST.
1652 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1654 * h8300-protos.h (general_operand_dst_push): Remove.
1655 * h8300.c (general_operand_dst_push): Likewise.
1656 * h8300.h (OK_FOR_T): Likewise.
1657 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1658 * h8300.md (pushqi_h8300): New.
1659 (pushqi_h8300hs): Likewise.
1661 (pushhi_h8300): Likewise.
1662 (pushhi_h8300hs): Likewise.
1665 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1667 * genattrtab.c (attr_printf): First arg is unsigned.
1668 Clean up formatting of callers.
1670 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1672 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1675 2001-09-07 Andreas Jaeger <aj@suse.de>
1677 * i386.h (TARGET_SWITCHES): Fix descriptions.
1679 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1681 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1683 2001-09-06 Ira Ruben <ira@apple.com>
1685 Remove OP_IDENTIFIER.
1686 * tree.def (OP_IDENTIFIER): Remove.
1687 * tree.c (tree_node_kind enum): Remove op_id_kind.
1688 (tree_node_kind_names): Remove "op_identifiers".
1689 (make_node): Remove OP_IDENTIFIER test.
1690 (build_op_identifier): Removed because it isn't being used.
1691 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1692 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1694 2001-09-06 Richard Henderson <rth@redhat.com>
1696 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1698 2001-09-06 Richard Henderson <rth@redhat.com>
1700 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1703 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1705 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1706 number used for CR register.
1708 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1709 Joern Rennecke (amylaar@cygnus.com)
1711 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1712 * h8300.c (initial_offset): Handle offset between RP and FP.
1713 (h8300_return_addr_rtx): New function.
1714 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1716 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1717 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1718 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1719 (CAN_ELIMINATE, REGISTER_NAMES):
1720 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1722 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1724 Remove TYPE_NONCOPIED_PARTS.
1725 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1726 (struct tree_type): Remove noncopied_parts.
1727 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1728 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1729 (fixed_type_p): Remove.
1730 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1731 (expand_expr, MODIFY_EXPR): Likewise.
1732 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1733 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1735 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1737 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1739 (mask64_operand): Likewise.
1740 (includes_rldic_lshift_p): Likewise.
1741 (includes_rldicr_lshift_p): Likewise.
1743 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1745 * objc/objc-act.c (build_message_expr): If a class method cannot
1746 be found, do not issue a warning if a corresponding instance
1747 method exists in the root class.
1749 2001-09-05 Richard Henderson <rth@redhat.com>
1751 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1753 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1755 * function.c (ggc_mark_struct_function): Mark f->outer.
1756 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1757 * integrate.c (output_inline_function): ... not here.
1759 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1761 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1763 * i386.c (size_cost): New static variable.
1764 (override_function): Use size_cost when -Os is specified.
1766 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1767 properly; Use current_function_calls_eh_return.
1768 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1769 use leave to avoid depdendancy chain.
1771 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1772 get BB loop_depth instead of computing it from LOOP notes.
1774 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1776 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1778 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1779 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1780 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1782 2001-09-05 Jeffrey A Law (law@cygnus.com)
1783 Jason Merrill (jason@redhat.com)
1785 * stor-layout.c (layout_type): Complain if an array's size can
1786 not be represented in a size_t.
1788 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1790 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1792 * gcc.c: (process_command) Add parentheses around assignment
1793 used as truth value.
1795 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1797 * config/mips/mips.c (save_restore_insns): Don't mark any register
1798 save slots as unchanging if current_function_calls_eh_return.
1800 2001-09-05 Richard Henderson <rth@redhat.com>
1802 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1803 * config/alpha/alpha-protos.h: Declare it.
1804 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1805 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1806 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1807 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1808 (REG_OK_FOR_BASE_P): Select one of the above.
1810 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1812 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1813 (crti.o): Prefix name of object file with $(T).
1816 2001-09-05 David S. Miller <davem@redhat.com>
1818 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1819 * config/sparc/linux64.h: Likewise.
1821 2001-09-05 Andreas Jaeger <aj@suse.de>
1823 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1824 available anymore, remove the documentation.
1825 (i386 Options): Fix typo, cleanup index entries.
1827 * prefix.c (concat): Remove, we can use the version from liberty.
1829 2001-09-05 Richard Henderson <rth@redhat.com>
1831 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1832 New functions split out of md file expanders.
1833 * config/alpha/alpha-protos.h: Declare them.
1834 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1836 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1838 * cppmacro.c (funlike_invocation_p): No need to restore context.
1840 2001-09-04 Richard Henderson <rth@redhat.com>
1842 * reload.c (push_reload): Export.
1843 * reload.h (push_reload): Declare it.
1845 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1846 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1847 * config/alpha/alpha.c (alpha_legitimize_address): New.
1848 (alpha_legitimize_reload_address): Likewise.
1849 * config/alpha/alpha-protos.h: Declare them.
1851 2001-09-04 Stan Shebs <shebs@apple.com>
1853 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1854 * config/darwin.c (machopic_stub_name): Account for internally
1855 generated lib calls such as memcpy.
1857 2001-09-04 Richard Henderson <rth@redhat.com>
1859 * unwind.h (_UA_END_OF_STACK): New flag.
1860 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1862 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1864 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1866 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1868 * config/mips/mips.c (save_restore_insns): Change base_offset to
1869 fp_offset in second call to mips_emit_frame_related_store.
1871 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1873 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1874 sometimes be represented as a NOTE of type
1875 NOTE_INSN_DELETED_LABEL.
1876 (Insns): Document NOTE_INSN_DELETED_LABEL.
1878 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1880 * c-common.h (tree_dump_index): Add more comments.
1881 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1882 (dump_option_value_info): New struct.
1883 (dump_options): New array.
1884 (dump_switch_p): Parse switch options symbolically.
1885 * doc/invoke.texi (-fdump-ast): Rename to ...
1886 (-fdump-tree): ... here. Document that options are symbolic, and
1887 not all are applicable.
1889 2001-09-04 David S. Miller <davem@redhat.com>
1891 * config/sparc/sparc.md (define_splits): Kill constraints.
1893 Cleanup redundant and unused insn attributes.
1894 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1895 binary, and move. Mark ialu as default.
1896 (commented out define_function_unit "alu"): Kill.
1897 (define_attr "use_clobbered"): Kill.
1898 (whole file): Kill address insn type references. Replace
1899 all unary/binary/move references with ialu.
1900 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1901 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1904 Simplify length insn attribute and make more judicious use
1905 of insn attribute defaulting.
1906 * config/sparc/sparc.md (all insns with length > one): Mark as
1907 insn type multi if real instructions, else use default if
1908 it is a forced splitter.
1909 (all insns with length == one): Use default insn length.
1910 (all insns of type ialu): Use default insn type.
1912 Fix erroneous insn attribute settings.
1913 (addx): Set insn type to misc.
1914 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1915 const_umulsidi3_sp64): Set insn type to imul.
1917 Track SFmode vs DFmode insns according to UltraSPARC
1919 * config/sparc/sparc.md ("fptype"): New attribute, default
1921 (all DFmode single insns): Mark as fptype "double".
1923 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1925 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1927 2001-09-03 Richard Henderson <rth@redhat.com>
1929 * function.h (struct function): Add arg_pointer_save_area_init.
1930 * function.c (expand_function_end): Init arg_pointer_save_area.
1931 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1932 when called from a nested function.
1934 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1936 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1939 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1941 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1943 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1945 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1946 (emit_push_insn): Use specified padding direction when
1947 STACK_PUSH_CODE is POST_INC.
1949 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1951 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1953 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1955 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1957 * cppinit.c (cpp_start_read): Free the imacros list as we
1958 traverse it. Don't free the chains before returning.
1959 (_cpp_push_next_buffer): Only try pushing buffers if we've
1960 completed -imacros handling.
1962 2001-08-31 Eric Christopher <echristo@redhat.com>
1964 * gcc.c (handle_braces): Add explaination for abort.
1966 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1968 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1969 move adjustment of bitpos instead.
1971 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1973 * function.c: Remove all_functions. Make outer_function_chain
1975 (init_function_start): Don't add new function structure to
1977 (find_function_data, push_function_context_to,
1978 pop_function_context_from, put_var_into_stack,
1979 trampoline_address): Update for changed structure element names.
1980 (push_function_context_to): Disentangle.
1981 (free_after_compilation): Also free F.
1982 (expand_dummy_function_end): Don't free cfun here.
1983 (put_var_into_stack): Comment why we can't use find_function_data here.
1984 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1985 (mark_function_chain): Split into maybe_mark_struct_function and
1986 ggc_mark_struct_function. Export the latter.
1987 (init_function_once): Mark from cfun and outer_function_chain;
1990 * function.h (struct function): Kill next_global. Rename next
1991 to outer. All users updated to match.
1992 (all_functions, outer_function_chain): Don't declare.
1994 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1995 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1996 don't touch f->inlinable, after calling rest_of_compilation.
1998 * tree.h: Forward-declare struct function. Prototype
1999 ggc_mark_struct_function.
2001 2001-08-31 Kazu Hirata <kazu@hxi.com>
2003 * config/h8300/h8300.md (*andorhi3): Fix typos.
2005 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2007 * calls.c (emit_library_call_value): Don't use a fixed
2008 argument after VA_CLOSE, i.e. out of scope in traditional C.
2010 * emit-rtl.c (gen_rtvec): Likewise.
2012 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2014 * Makefile.in (c-pragma.o): Depend on output.h.
2015 (reorg.o): Depend on except.h.
2017 * c-pragma.c: Include output.h.
2019 * reorg.c: Include except.h.
2021 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2023 2001-08-31 Richard Henderson <rth@redhat.com>
2025 * sched-deps.c (add_dependence): Don't elide dependancy if the
2026 conditional used by insn is modified in elem.
2028 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2030 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2032 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2034 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2037 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2039 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2041 (stormy16_asm_out_constructor): New function.
2042 (TARGET_ASM_CONSTRUCTOR): Define.
2043 (TARGET_ASM_DESTRUCTOR): Define.
2045 2001-08-31 Andreas Jaeger <aj@suse.de>
2047 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2048 * loop.c (add_label_notes): Likewise.
2049 * reload.c (find_reloads): Likewise.
2050 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2052 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2054 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2055 code here. Take _Unwind_{W,Sw}ord*.
2056 (read_encoded_value_with_base): Use them.
2057 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2059 (extract_cie_info): Simplify read_?leb128 handling.
2060 (execute_stack_op, execute_cfa_program): Likewise.
2061 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2063 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2065 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2066 the frame pointer to pop the stack if convenient.
2068 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2069 Don't use post-increment before combine.
2070 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2071 a call-saved register.
2073 2001-08-31 Andreas Jaeger <aj@suse.de>
2075 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2078 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2080 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2081 not DIV/MOD, of course.
2083 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2085 * rtl.def: Undo my patch commited 2001-08-27.
2087 * genattrtab.c: Ditto.
2091 * sched-int.h: Ditto.
2093 * target-def.h: Ditto.
2097 * haifa-sched.c: Ditto.
2099 * sched-rgn.c: Ditto.
2101 * sched-vis.c: Ditto.
2103 * Makefile.in: Ditto.
2105 * doc/md.texi: Ditto.
2107 * doc/tm.texi: Ditto.
2109 * doc/contrib.texi: Ditto.
2111 * doc/gcc.texi: Ditto.
2113 * genattrtab.h: Remove it.
2115 * genautomata.c: Remove it.
2117 * genattr.c: Undo my patch and Richard Henderson's patch commited
2120 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2122 * config.gcc (h8300-*-elf*): New case.
2123 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2124 (SUBTARGET_CPP_SPEC): Define.
2125 (EXTRA_SPECS): Define.
2126 (SUBTARGET_EXTRA_SPECS): Define.
2127 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2128 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2130 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2132 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2133 (LIB2FUNCS_EXTRA): Define.
2134 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2135 config/h8300/fixunssfsi.c: New file.
2137 2001-08-30 Kazu Hirata <kazu@hxi.com>
2139 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2140 define_expand to accomodate target-specific attributes.
2141 (anonymous zero_extendqihi2 patterns): New.
2143 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2145 * h8300.md (*andorhi3): New pattern.
2147 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2149 * h8300.c (dosize): Fix test for "sub".
2151 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2153 * c-typeck.c (pointer_diff): Try to eliminate common term before
2156 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2158 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2159 Account for the saves of the FP registers.
2161 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2162 (TEXT_SECTION_ASM_OP): Define.
2163 (INIT_SECTION_ASM_OP): Define.
2164 (FINI_SECTION_ASM_OP): Define.
2165 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2166 (RDATA_SECTION_FUNCITON): Provide prototype.
2168 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2170 * reload1.c (move2add_note_store): Correct typo checking for
2173 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2175 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2176 note should not be considered outside the libcall block.
2178 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2180 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2182 2001-08-29 Kazu Hirata <kazu@hxi.com>
2184 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2186 2001-08-29 Kazu Hirata <kazu@hxi.com>
2188 * config/h8300/h8300-protos.h: Add a prototype for
2190 * config/h8300/h8300.c (emit_logical_op): New.
2191 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2198 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2200 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2201 comparison with rtx INTVAL.
2202 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2204 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2206 2001-08-29 Kazu Hirata <kazu@hxi.com>
2208 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2211 2001-08-29 Kazu Hirata <kazu@hxi.com>
2213 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2214 (reg n) to (mem (pre_dec (reg n))
2215 (anonymous movsi pattern): Likewise.
2217 2001-08-29 Kazu Hirata <kazu@hxi.com>
2219 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2221 2001-08-29 Kazu Hirata <kazu@hxi.com>
2223 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2224 several special constants.
2226 2001-08-29 Kazu Hirata <kazu@hxi.com>
2228 * config/h8300/lib1funcs.asm: Fix comment typos.
2230 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2233 Fix format specifier warnings.
2235 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2236 inet_makeaddr, semctl): Prototype.
2238 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2239 (save_restore_insns): Use base_offset, not gp_offset.
2241 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2242 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2244 2001-08-29 Richard Henderson <rth@redhat.com>
2246 * bb-reorder.c (function_tail_eff_head): New.
2247 (record_effective_endpoints): Set it.
2248 (fixup_reorder_chain): Use it.
2250 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2252 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2254 2001-08-28 Dale Johannesen <dalej@apple.com>
2256 * config/darwin.c (machopic_function_base_name): Add const
2257 qualifier to a string.
2258 (darwin_encode_section_info): Ditto.
2260 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2262 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2263 function definition.
2265 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2267 * df.h (struct df): Add rts_order variable.
2269 * df.c (df_visit_next_rts): New function.
2270 (df_visit_next): Renamed to df_visit_next_rc
2271 (df_analyse_1): Allocate/compute/free rts_order as well.
2272 (df_rd_global_compute): Use df_visit_next_rc instead of
2274 (df_ru_global_compute): Use df_visit_next_rts instead of
2277 * flow.c (flow_reverse_top_sort_order_compute): New function.
2279 * basic-block.h: Add prototype.
2281 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2283 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2284 blocks, the BB_REACHABLE is now set, rather than aux being
2285 non-NULL. Update the test to reflect this.
2287 2001-08-28 Eric Christopher <echristo@redhat.com>
2289 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2290 config/mips/crti.asm: Ditto.
2292 2001-08-28 Eric Christopher <echristo@redhat.com>
2293 Richard Henderson <rth@redhat.com>
2295 * c-pragma.h (add_weak): Move prototype from here...
2296 * output.h (add_weak): ... to here.
2297 * varasm.c (add_weak): Fix typo.
2298 * config/mips/crti.asm: New file.
2299 * config/mips/crtn.asm: Ditto.
2300 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2301 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2302 (INVOKE__main): Ditto.
2303 (INIT_SECTION_ASM_OP): New.
2304 (FINI_SECTION_ASM_OP): Ditto.
2305 (STARTFILE_SPEC): Add crti.
2306 (ENDFILE_SPEC): Add crtn.
2307 * config/mips/elf64.h: Same.
2308 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2310 * config/mips/vxworks.h: Ditto.
2311 * config/mips/t-elf: Support crti and crtn.
2313 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2315 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2318 2001-08-28 Richard Henderson <rth@redhat.com>
2320 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2321 (one_cmplbi2 splitter): Remove redundant test.
2323 2001-08-28 Dale Johannesen <dalej@apple.com>
2325 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2327 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2329 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2331 2001-08-28 Stan Shebs <shebs@apple.com>
2333 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2334 (UNALIGNED_SHORT_ASM_OP): Define.
2335 (UNALIGNED_INT_ASM_OP): Define.
2337 2001-08-28 Will Cohen <wcohen@redhat.com>
2339 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2340 generation for first set.
2342 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2344 * flow.c (redirect_edge_succ_nodup): Return new edge.
2345 (try_simplify_condjump): Use new edge.
2346 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2348 * cse.c (cse_basic_block): Skip note instructions.
2350 2001-08-27 Richard Henderson <rth@redhat.com>
2352 * combine.c (combine_simplify_rtx): Don't reverse condition
2353 if there is no reverse for the condition.
2354 (simplify_comparison): Don't simplify subregs from INT to FP.
2356 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2357 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2358 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2359 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2360 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2361 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2363 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2365 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2366 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2368 (adddi_dilshr32, adddi_dishl32): Only data register can be
2369 source for mem destination.
2371 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2372 and use bitnum to decide about register move.
2374 2001-08-27 Richard Henderson <rth@redhat.com>
2376 * genattr.c (main): Emit state_t even when not doing scheduling.
2378 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2379 Richard Henderson <rth@redhat.com>
2381 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2382 (reg_avail_info, current_bb): ... these.
2383 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2384 (compute_hash_table): Likewise.
2386 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2388 * flow.c (verify_flow_info): Use checksums to verify edges.
2390 2001-08-27 Richard Henderson <rth@redhat.com>
2392 * genautomata.c (expand_automata): Always create a description.
2394 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2396 * optabs.c (expand_binop): Correctly handle the carry in multiword
2397 add/subtract operations.
2399 2001-08-27 Fred Fish <fnf@be.com>
2401 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2404 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2406 * reload.c (find_reloads_toplev): Back out this change:
2408 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2410 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2411 mem if the address is a mode_dependent_address_p.
2413 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2415 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2416 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2417 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2420 * genattr.c (main): New variable num_insn_reservations. Increase
2421 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2422 pipeline hazard recognizer interface.
2424 * genattrtab.h: New file.
2426 * genattrtab.c: Include genattrtab.h.
2427 (attr_printf, check_attr_test, make_internal_attr,
2428 make_numeric_value): Move protypes into genattrtab.h. Define them
2430 (num_dfa_decls): New global variable.
2431 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2432 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2433 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2434 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2436 * genautomata.c: New file.
2438 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2440 * sched-int.h: (curr_state): Add the external definition for
2441 automaton pipeline interface.
2442 (haifa_insn_data): Add comments for members blockage and units.
2444 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2445 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2446 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2447 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2448 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2449 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2450 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2452 (TARGET_SCHED): Use the new macros.
2454 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2455 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2456 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2457 dfa_bubble): New members in gcc_target.sched.
2459 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2460 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2461 (insn_queue): Redefine it as pointer to array.
2462 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2464 (max_insn_queue_index_macro_value): New variable.
2465 (curr_state, dfa_state_size, ready_try): New varaibles for
2466 automaton interface.
2467 (ready_element, ready_remove, max_issue): New function prototypes
2468 for automaton interface.
2469 (choose_ready): New function prototype.
2470 (insn_unit, blockage_range): Add comments.
2471 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2472 FUNCTION_UNITS_SIZE == 0.
2473 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2474 actual_hazard, potential_hazard): Add comments.
2475 (insn_cost): Use cost -1 as undefined value. Remove
2476 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2478 (ready_element, ready_remove): New functions for automaton
2480 (schedule_insn): Add new code for automaton pipeline interface.
2481 (queue_to_ready): Add new code for automaton pipeline interface.
2482 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2483 (debug_ready_list): Print newline when the queue is empty.
2484 (max_issue): New function for automaton pipeline interface.
2485 (choose_ready): New function.
2486 (schedule_block): Add new code for automaton pipeline interface.
2487 Print ready list before scheduling each insn.
2488 (sched_init): Add new code for automaton pipeline interface.
2489 Initiate insn cost by -1.
2490 (sched_finish): Free the current automaton state and finalize
2491 automaton pipeline interface.
2493 * sched-rgn.c: Include target.h.
2494 (init_ready_list, new_ready, debug_dependencies): Add new code for
2495 automaton pipeline interface.
2497 * sched-vis.c: Include target.h.
2498 (get_visual_tbl_length): Add code for automaton interface.
2499 (target_units, print_block_visualization): Add comments.
2501 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2502 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2503 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2504 (getruntime.o, genautomata.o): New entries.
2505 (genattrtab.o): Add new dependency file genattrtab.h.
2506 (genattrtab): Add new dependencies. Link it with `libm.a'.
2507 (getruntime.o, hashtab.o): New entries for canadian cross.
2509 * doc/md.texi: Description of automaton based model.
2511 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2513 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2514 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2515 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2516 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2517 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2518 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2519 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2521 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2522 MAX_DFA_ISSUE_RATE): New macro descriptions.
2524 * doc/contrib.texi: Add dfa based scheduler contribution.
2526 * doc/gcc.texi: Add more information about genattrtab.
2528 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2530 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2533 2001-08-27 Richard Henderson <rth@redhat.com>
2535 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2536 (get_arg_pointer_save_area): New. Create an init it here.
2537 (fix_lexical_addr): Use it.
2538 * function.h: Declare it.
2539 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2540 * stmt.c (expand_nl_goto_receiver): Use it.
2542 2001-08-27 Richard Henderson <rth@redhat.com>
2544 * final.c (final_scan_insn): Don't enter APP_ON mode for
2547 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2548 alignment for assemble_integer for DW_EH_PE_aligned.
2549 * except.c (output_function_exception_table): Likewise.
2551 2001-08-26 Andreas Jaeger <aj@suse.de>
2553 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2555 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2557 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2559 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2561 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2563 (mask64_operand): Likewise.
2564 (rldic_operand): Delete.
2565 (includes_lshift64_p): Delete.
2566 (includes_rldic_lshift_p): New function.
2567 (includes_rldicr_lshift_p): New function.
2568 (print_operand): Don't call rldic_operand in case 'W'.
2569 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2570 (includes_lshift64_p): Remove.
2571 (includes_rldic_lshift_p): Declare.
2572 (includes_rldicr_lshift_p): Declare.
2573 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2574 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2575 Replace match_operand rldic_operand predicate with
2576 const_int_operand. Replace includes_lshift64_p condition with
2577 includes_rldic_lshift_p.
2578 <ashldi3_internal 64 bit rldicr patterns>: New.
2580 2001-08-27 Andreas Jaeger <aj@suse.de>
2582 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2583 * errors.c: Likewise.
2584 * final.c: Likewise.
2585 * dwarf2asm.c: Likewise.
2586 * doprint.c (checkit): Likewise.
2587 * diagnostic.c: Likewise.
2588 * collect2.c: Likewise.
2589 * calls.c: Likewise.
2590 * c-semantics.c (build_stmt): Likewise.
2591 * c-format.c (status_warning): Likewise.
2592 * c-errors.c (pedwarn_c99): Likewise.
2593 * builtins.c (validate_arglist): Likewise.
2594 * config/pj/pj.c (pj_printf): Likewise.
2595 * fix-header.c: Likewise.
2597 * gcov.c (fnotice): Likewise.
2598 * gensupport.c (message_with_line): Likewise.
2599 * mips-tfile.c: Likewise.
2600 * protoize.c (notice): Likewise.
2601 * read-rtl.c (fatal_with_file_and_line): Likewise.
2602 * rtl-error.c: Likewise.
2603 * tradcpp.c: Likewise.
2605 * cp/tree.c (build_min_nt): Likewise.
2606 (build_min): Likewise.
2607 * cp/lex.c: Likewise.
2608 * cp/errfn.c: Likewise.
2609 * cp/rtti.c (create_pseudo_type_info): Likewise.
2611 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2613 * df.c (df_uses_record): Return after recording all uses
2616 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2618 * df.c (df_insn_modify): Realloc the INSN table here, if
2619 necessary, here, too.
2621 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2623 * config/mips/mips.c (mips_function_value): Handle complex return
2626 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2628 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2630 * reload.c (make_memloc): Copy result if it is still
2631 reg_equiv_memory_loc[regno] on return.
2632 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2633 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2634 reg_equiv_mem are modified by the substitutions.
2636 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2638 * predict.c (expensive_function_p): New.
2639 * rtl.h (expensive_function_p): Declare.
2640 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2641 (use_fast_prologue_epilogue): New static variable.
2642 (expand_prologue): Set it; emit short prologues if unset.
2643 (expand_epilogue): Likewise.
2645 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2647 * config.gcc: Add stormy16-*-elf case.
2648 * config/stormy16/stormy-abi: New file.
2649 * config/stormy16/stormy16-lib2.c: New file.
2650 * config/stormy16/stormy16-protos.h: New file.
2651 * config/stormy16/stormy16.c: New file.
2652 * config/stormy16/stormy16.h: New file.
2653 * config/stormy16/stormy16.md: New file.
2654 * config/stormy16/t-stormy16: New file.
2656 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2658 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2660 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2662 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2663 descriptor members are pointer size, not constant 4.
2664 * config/rs6000/rs6000.md (define_splits): Remove more unused
2667 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2671 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2673 * cp/rtti.c (VPARAMS): Fix parameter.
2675 2001-08-24 Zack Weinberg <zackw@panix.com>
2677 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2679 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2681 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2682 in if controlling use of insv.
2683 (extract_bit_field): Likewise, for extv and extzv.
2685 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2687 * i386.md (movcc peep2): Fix load of 0.
2689 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2691 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2692 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2694 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2696 * c-pragma.h: Move weak_syms and weak_decls...
2697 * varasm.c: ...here. Now static.
2698 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2699 depend on HANDLE_PRAGMA_WEAK.
2701 * c-common.c (c_alignof, c_alignof_expr): Move here...
2702 * c-typeck.c: ...from here.
2703 * c-tree.h, c-common.h: Adjust.
2705 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2707 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2708 instead of incrementing it.
2710 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2711 asm ready, don't try to move them all into the same array element.
2713 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2715 * function.c (thread_prologue_and_epilogue_insns): Avoid
2716 fallthru flag on edge to exit.
2718 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2720 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2723 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2725 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2726 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2727 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2730 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2732 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2733 replace "GNU CC" with "GCC".
2735 2001-08-23 Richard Henderson <rth@redhat.com>
2737 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2738 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2739 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2740 Need GR between FR and not GR_AND_FR.
2741 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2742 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2743 AR regs before GR regs.
2744 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2745 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2746 (REGISTER_MOVE_COST): Update.
2747 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2749 2001-08-23 Richard Henderson <rth@redhat.com>
2751 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2754 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2756 * reload1.c (emit_reload_insns): Don't look for notes
2757 on a NULL store_insn.
2759 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2761 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2762 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2763 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2764 format specifier warnings.
2765 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2767 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2769 * config/i386/i386-protos.h: Correct declaration of
2770 i386_pe_asm_named_section.
2772 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2774 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2776 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2778 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2780 * cpperror.c (print_location): Don't show _Pragma.
2781 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2782 and file change callback generation here.
2783 (stack_include_file): Update use of cpp_push_buffer.
2784 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2785 (struct cpp_buffer): Remove type, pfile members.
2786 * cppinit.c (cpp_handle_option): Use free_chain.
2787 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2788 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2789 a cpp_reader rather than a cpp_buffer.
2790 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2791 skip_line_comment, parse_string, lex_percent, lex_dot,
2792 _cpp_lex_token): Update accordingly.
2793 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2795 (cpp_push_buffer): Update prototype.
2796 (run_directive): Update use of cpp_push_buffer.
2797 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2798 handle_assertion): Update use of run_directive.
2799 * cpplib.h (enum cpp_buffer_type): Remove.
2800 (cpp_push_buffer): Update prototype.
2801 * fix-header.c (read_scan_file): Update.
2803 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2805 * gcc.c (struct prefix_list): Change prefix to const char *.
2807 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2809 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2811 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2813 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2816 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2819 * ifcvt.c (dead_or_predicable): Adjust.
2820 * loop.c (find_and_verify_loops): Adjust.
2821 * stmt.c (expand_end_case): Adjust.
2822 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2823 head and end insn pointers in the basic block, not just local copies.
2824 (merge_blocks_move_predecessor_nojumps): Likewise.
2826 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2828 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2829 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2830 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2831 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2832 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2833 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2834 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2835 conditions.h, config.gcc, configure.frag, configure.in,
2836 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2837 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2838 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2839 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2840 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2841 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2842 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2843 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2844 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2845 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2846 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2847 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2848 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2849 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2850 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2851 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2852 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2853 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2854 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2855 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2856 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2857 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2858 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2859 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2860 params.h, predict.c, predict.def, predict.h, prefix.c,
2861 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2862 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2863 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2864 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2865 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2866 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2867 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2868 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2869 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2870 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2871 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2872 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2873 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2874 xcoffout.h: replace "GNU CC" with "GCC".
2876 2001-08-21 Richard Henderson <rth@redhat.com>
2878 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2879 (final_scan_insn): Consider jump tables data even if we have no
2880 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2882 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2883 (ASM_OUTPUT_CASE_END): Remove.
2884 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2885 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2886 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2888 2001-08-21 Richard Henderson <rth@redhat.com>
2890 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2891 at barrier insns. Emit stop bits before barriers.
2893 * flow.c (flow_find_cross_jump): Don't consider unconditional
2894 return insns for commoning.
2896 * final.c (compute_alignments): Fix typo.
2898 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2899 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2900 (store_bit_field): Use mode_for_extraction more places.
2901 (extract_bit_field): Likewise.
2903 2001-08-21 Zack Weinberg <zackw@panix.com>
2905 * caller-save.c: Don't include insn-codes.h.
2906 (reg_save_code, reg_restore_code): Make arrays of int.
2907 All uses updated to match.
2908 (insert_save, insert_restore): No need to initialize "code"
2909 variable upon declaration.
2910 * Makefile.in: update dependencies; fix typo in clean rule.
2912 2001-08-21 Richard Henderson <rth@redhat.com>
2914 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2915 (merge_if_block): Handle fallout from same.
2917 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 * builtins.c (type_to_class): Fix typo in last change.
2921 2001-08-21 Richard Henderson <rth@redhat.com>
2923 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2924 ia64_asm_output_label.
2926 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2927 copy of gp while the real gp register contains garbage.
2929 2001-08-21 Zack Weinberg <zackw@panix.com>
2931 * expmed.c (mode_for_extraction): New function.
2932 (store_bit_field, extract_bit_field): Use it.
2933 * expr.h: Prototype it and provide an enum for its first argument.
2935 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2936 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2937 and digging through the insn_data tables.
2938 * Makefile.in: Update dependencies.
2940 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2942 * cppfiles.c (stack_include_file): line-map.c now handles include
2944 (handle_missing_handler): Similarly.
2945 (_cpp_execute_include): Similarly.
2946 (_cpp_pop_file_buffer): Similarly.
2947 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2948 buffer_stack_depth and include_depth.
2949 * cpplib.c (do_include_common): line-map.c now handles include depth.
2950 (cpp_push_buffer): Similarly.
2951 (_cpp_pop_buffer): Similarly.
2952 * cppmacro.c (builtin_macro): Update.
2953 * line-map.c (init_line_maps): Set depth.
2954 (add_line_map): Increment "used" earlier. Update and use the
2956 (trace_include): Use the include depth.
2957 * line-map.h (struct line_maps): New member depth.
2959 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * cppfiles.c (stack_include_file): Don't handle -H here.
2962 * cppinit.c (cpp_start_read): Set include tracing after
2963 cpp_post_options and after stacking the main file.
2964 * line-map.c (trace_include): New.
2965 (init_line_maps, add_line_map): Update.
2966 * line-map.h (struct line_maps): New member trace_includes.
2968 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2970 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2971 * cppfiles.c (stack_include_file): Only stack a file if there
2972 is something to do. Return a boolean indicating whether a
2973 buffer was stacked or not.
2974 (_cpp_execute_include): Similarly.
2975 (_cpp_read_file): Similarly.
2976 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2978 2001-08-21 Sam Steingold <sds@gnu.org>
2980 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2981 (RECACHE): keep obufp_before_macroname up to date
2983 2001-08-21 Zack Weinberg <zackw@panix.com>
2985 * stmt.c: Don't include insn-codes.h.
2986 (expand_end_case): Machine specific logic moved to expr.c.
2987 No need to worry about __builtin_classify_type.
2988 (check_for_full_enumeration_handling, emit_case_nodes):
2991 * builtins.o (expand_builtin_classify_type): Split up so code
2992 can be shared with fold_builtin_classify_type.
2993 (type_to_class, fold_builtin_classify_type): New functions.
2994 (fold_builtins): Handle __builtin_classify_type.
2996 * expr.c (do_tablejump): Now static.
2997 (case_values_threshold, try_casesi, try_tablejump): New;
2998 code mostly from stmt.c (expand_end_case).
2999 (expr.h): Update prototypes.
3001 * Makefile.in (stmt.o): Update dependencies.
3003 2001-08-21 Will Cohen <wcohen@redhat.com>
3005 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3006 declaration of variable i.
3007 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3008 declaration of variable i.
3010 2001-08-21 Richard Henderson <rth@redhat.com>
3012 * crtstuff.c: Fix thinko last change. Move list tails to start
3013 of CRT_END section. Tidy ifdefs.
3014 (__EH_FRAME_BEGIN__): Always static for ELF.
3015 (__do_global_ctors_1): Rename from __frame_dummy.
3016 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3017 name change; don't hide __EH_FRAME_BEGIN__.
3019 2001-08-21 Richard Henderson <rth@redhat.com>
3021 * gdbinit.in: Move break on exit after break on fancy_abort.
3023 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3026 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3028 * cpphash.h (_cpp_push_next_buffer): New.
3029 * cppinit.c (do_includes): Remove.
3030 (push_include, free_chain, _cpp_push_next_buffer): New.
3031 (cpp_start_read): Use them to rework command line option handling.
3032 (cpp_handle_option): Combine handling of -include and -imacros.
3033 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3034 appropriate. Always insert missing \n at EOF.
3035 * cpplib.c (start_directive): Get the directive position right.
3036 * cppmain.c (cb_file_change): Always print the first line, unless
3039 2001-08-20 Andreas Jaeger <aj@suse.de>
3041 * profile.c (compute_branch_probabilities): Remove extra new-line
3043 * flow.c (verify_flow_info): Likewise.
3045 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3047 * basic-block.h (basic_block): Add new field 'flags'.
3048 (BB_REACHABLE): Define.
3049 (expunge_block): Declare.
3050 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3051 (EXIT_BLOCK_PTR): Ditto.
3052 (expunge_block): Remove static declaration.
3053 (cleanup_cfg): Clear bb->aux on every basic block.
3054 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3055 computing reachability.
3056 (delete_unreachable_blocks): Delete block b if b->flags has
3059 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3061 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3063 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3065 * sparc.c (sparc_variable_issue): Fix typo in last change.
3067 2001-08-20 Richard Henderson <rth@redhat.com>
3069 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3071 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3073 * pa.h (RETURN_IN_MEMORY): Improve comment.
3075 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3077 * doc/invoke.texi (Profiling options): Clarify the interactions
3078 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3080 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3082 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3085 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3087 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3090 2001-08-20 Richard Henderson <rth@redhat.com>
3092 * final.c (end_final): Fix typo last change.
3094 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3096 * cppinit.c (init_standard_includes): The returned buffer
3097 is already malloc-ed.
3098 * gcc.c (add_prefix): Similarly.
3099 * prefix.c (translate_name): Update to support clear buffer
3101 (update_path): Similarly. Be sure to free any newly allocated
3102 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3104 * prefix.h (update_path): Update prototype and document.
3105 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3106 up and update to new buffer ownership rules.
3107 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3109 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3111 * final.c (compute_alignments): New function.
3112 (init_insn_lengths): Do not care label_align.
3113 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3114 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3115 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3116 (shorted_branches): Realloc label_align array; do
3117 not call init_insn_lengths; Do not care about loop alignments.
3118 * output.h (compute_alignments): Declare.
3119 * toplev.c (rest_of_compilation): Call compute_alignments.
3120 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3122 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3123 change visited to tovisit.
3124 (propagate_freq): Use faster traversing algorithm.
3125 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3126 to tovisit; reverse meaning.
3128 * predict.c (struct block_info_def): Remove nvisited.
3129 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3130 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3132 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3134 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3135 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3136 (TARGET_FUSED_MADD): New.
3137 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3138 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3139 the multiply-add instructions.
3141 2001-08-19 Richard Henderson <rth@redhat.com>
3143 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3144 is aligned to pointer size.
3146 2001-08-19 Richard Henderson <rth@redhat.com>
3148 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3149 display markers during final schedule.
3151 2001-08-19 Richard Henderson <rth@redhat.com>
3153 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3155 2001-08-19 Richard Henderson <rth@redhat.com>
3157 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3159 (ASM_NAME_TO_STRING): Remove.
3160 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3161 in the same string. Remove support for expressions.
3163 2001-08-19 Richard Henderson <rth@redhat.com>
3165 * config/i386/i386.md (tablejump): Make an expander; handle
3166 pic relative addressing here.
3167 (tablejump_1): Rename from tablejump_pic.
3170 2001-08-19 Richard Henderson <rth@redhat.com>
3172 * regclass.c (fix_register): Fix typo.
3174 2001-08-18 Richard Henderson <rth@redhat.com>
3176 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3177 (struct _Unwind_Context): Expand br_loc to hold it.
3178 (uw_frame_state_for): Handle leaf functions better.
3179 (uw_update_reg_address): Update for br_loc change.
3181 2001-08-18 Richard Henderson <rth@redhat.com>
3183 * crtstuff.c: Move list heads before code that uses them.
3184 (__JCR_LIST__): Remove initial null.
3185 (frame_dummy, __frame_dummy): Do java registration here ...
3186 (__do_global_ctors_aux): ... not here.
3188 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3189 (__do_global_dtors_aux): Update to match.
3190 (__JCR_LIST__, __do_jv_register_classes): New.
3192 * config/ia64/crtend.asm (__JCR_END__): New.
3193 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3194 instead of an indirect LTOFF22 reloc.
3196 2001-08-18 Richard Henderson <rth@redhat.com>
3198 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3199 * regclass.c (init_reg_sets_1): Fix typo.
3200 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3201 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3202 (ia64_compute_frame_size): Make ar.unat live when in use.
3203 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3204 for ar.pfs; remove ar.unat handling.
3205 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3207 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3208 * config/ia64/ia64-protos.h: Update decls.
3209 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3210 (sibcall_pic): Likewise.
3212 2001-08-18 Richard Henderson <rth@redhat.com>
3214 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3215 pred_rel_mutex when searching for insn_group_barrier.
3216 * config/ia64/ia64.md (cycle_display): Combine the expander
3219 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3220 bit before asm as needed.
3222 2001-08-18 Richard Henderson <rth@redhat.com>
3224 * timevar.def (TV_MACH_DEP): New.
3225 * toplev.c (rest_of_compilation): Use it.
3226 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3228 2001-08-18 Zack Weinberg <zackw@panix.com>
3230 * unwind-dw2.c (execute_stack_op): Add default aborts to
3231 the inner switches to prevent warnings.
3233 2001-08-18 Richard Henderson <rth@redhat.com>
3235 * timevar.h (struct timevar_time_def): Change element type to float.
3236 (ticks_to_msec, clocks_to_msec): Likewise.
3237 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3238 (get_time): Likewise.
3239 (timevar_print): Adjust zero check and printing to match.
3241 2001-08-18 Zack Weinberg <zackw@panix.com>
3243 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3244 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3245 Eliminate overfull or underfull hboxes.
3247 2001-08-18 Zack Weinberg <zackw@panix.com>
3249 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3251 2001-08-18 Zack Weinberg <zackw@panix.com>
3253 * haifa-sched.c: Convert to target hooks. Macros replaced
3254 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3255 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3256 MD_SCHED_FINISH, and HAVE_cycle_display.
3257 * target-def.h (TARGET_SCHED_ADJUST_COST,
3258 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3259 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3260 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3261 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3262 New hook #defines to be overridden.
3263 (TARGET_SCHED): Bring them all together.
3264 (TARGET_INITIALIZER): Update.
3265 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3266 instead of 'struct rtx_def *' throughout.
3267 (struct sched): New set of hooks for the scheduler.
3268 * Makefile.in (haifa-sched.o): Depend on target.h.
3269 * doc/tm.texi: Document the new scheduler hooks, together in
3270 their own section, instead of scattered around.
3271 Fix a bunch of underfull/overfull hboxes.
3273 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3274 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3275 sparc.h: Don't define any of the old scheduler macros.
3277 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3278 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3279 sparc.c: Create hook functions from code extracted from
3280 corresponding target header, or make existing hooks static, as
3281 appropriate. Set the appropriate entries in targetm.
3283 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3284 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3285 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3286 Remove prototypes for functions which are now static.
3288 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3289 related gunk; the Haifa scheduler is now the only choice.
3291 2001-08-18 Zack Weinberg <zackw@panix.com>
3293 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3294 * genopinit.c: Put floating point divide insns in sdiv_optab.
3295 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3296 * config/gofast.h, config/c4x/c4x.h,
3297 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3298 config/pa/long_double.h, config/rs6000/sysv4.h,
3299 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3300 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3301 (init_optabs): Use init_optabv for overflow-trapping optabs.
3302 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3303 cmp_optab RTX codes so have_insn_for can find them.
3305 * optabs.c (expand_simple_binop, expand_simple_unop,
3306 have_insn_for, gen_sub3_insn): New interfaces.
3307 * expr.h: Prototype new functions.
3308 (enum optab_methods): Move here from optabs.h.
3310 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3311 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3312 Use new functions instead of working directly with optabs.
3313 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3314 unroll.c: Don't include optabs.h.
3315 * caller-save.c, combine.c, function.c, stmt.c: Just include
3316 insn-codes.h, not optabs.h.
3317 * Makefile.in: Update dependencies.
3319 * combine.c (make_compound_operation, simplify_comparison):
3320 Fix typos testing for this or that instruction.
3322 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3324 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3325 generating libgcc.a.
3327 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3329 * except.c (TYPE_HASH): Delete.
3331 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3334 * tree.c (TYPE_HASH): Delete.
3336 * tree.h (TYPE_HASH): Define.
3338 2001-08-18 Graham Stott <grahams@redhat.com>
3340 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3342 (adddi3_internal_2+2): Likewise.
3343 (eh_set_lr_di+1): Likewise.
3345 2001-08-17 Richard Henderson <rth@redhat.com>
3347 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3348 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3349 * dwarf2asm.c: ... here.
3350 * dwarfout.c: Remove them.
3352 * varasm.c (assemble_integer): Add align parameter.
3353 (assemble_real, output_constant, output_constructor): Likewise.
3354 * output.h: Update decls.
3355 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3356 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3357 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3358 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3359 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3362 * final.c (end_final): Abort profile block generation if we
3363 havn't layed it out properly.
3364 * output.h (assemble_eh_integer): Remove stale decl.
3365 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3367 (assemble_integer): Handle unaligned data.
3368 (assemble_real): Abort on unaligned data.
3369 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3371 (default_dtor_section_asm_out_destructor): Use assemble_align.
3372 (default_named_section_asm_out_constructor): Likewise.
3373 (default_ctor_section_asm_out_constructor): Likewise.
3374 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3375 (machopic_asm_out_destructor): Likewise.
3376 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3377 (nextstep_asm_out_destructor): Likewise.
3378 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3379 (vms_asm_out_destructor): Likewise.
3381 2001-08-17 Richard Henderson <rth@redhat.com>
3383 * config/mips/iris6.h (TARGET_IRIX6): New.
3384 (current_section_name, current_section_flags): New.
3385 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3386 (MAX_OFILE_ALIGNMENT): New.
3387 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3388 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3389 (copy_file_data): Split out from
3390 (mips_asm_file_end): ... here.
3391 (mips_asm_file_start): Remove extra .section directive. Use
3392 tmpfile instead of mips_make_temp_file.
3393 (mips_unique_section): Use const char * as needed for warnings.
3394 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3395 re-add align parameter.
3396 (iris6_asm_named_section): New.
3397 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3398 (iris6_asm_output_align, iris6_section_align_1): New.
3399 (iris6_asm_file_start, iris6_asm_file_end): New.
3400 * config/mips/mips-protos.h: Update decls.
3402 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3404 * doc/install.texi (Install GCC): Add links to build status pages.
3406 (Final install): Ditto; request updates for specific info
3408 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3410 * cpperror.c (print_location): Don't take a file name; use the
3412 (_cpp_begin_message): Similarly.
3413 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3414 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3415 (cpp_pedwarn_with_file_and_line): Remove.
3416 * cppfiles.c (stack_include_file): Update; set filename to stdin
3417 here when appropriate.
3418 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3419 (_cpp_begin_message): Don't take a file name.
3420 * cppinit.c: Add comment.
3421 * cpplex.c: Fix end-of-directive indicator.
3422 * cpplib.c: Don't include intl.h.
3423 (run_directive, do_diagnostic): Update.
3424 (do_line): Update to not use nominal_fname.
3425 (cpp_push_buffer): Don't take a filename.
3426 * cpplib.h (struct ht): Remove.
3427 (cpp_push_buffer): Don't take a filename.
3428 (cpp_pedwarn_with_file_and_line): Remove.
3429 * cppmacro.c (struct cpp_macro): Remove file.
3430 (builtin_macro): Update.
3431 (_cpp_create_definition): Update.
3432 * cppmain.c: Correct comment.
3433 * fix-header.c (read_scan_file): Update.
3435 2001-08-17 Kazu Hirata <kazu@hxi.com>
3437 * sbitmap.c: Fix comment formatting.
3438 * sched-deps.c: Likewise.
3439 * sibcall.c: Likewise.
3440 * simplify-rtx.c: Likewise.
3442 * ssa-ccp.c: Likewise.
3443 * stor-layout.c: Likewise.
3444 * timevar.c: Likewise.
3445 * toplev.c: Likewise.
3446 * unwind-dw2.c: Likewise.
3447 * unwind-dw2-fde.c: Likewise.
3448 * varasm.c: Likewise.
3450 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3452 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3453 or larger than an integer in memory.
3455 2001-08-17 Zack Weinberg <zackw@panix.com>
3457 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3458 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3459 * rtl.h: Don't forward-declare union tree_node here. Don't
3460 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3461 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3462 and tree respectively.
3463 * tree.h: Don't forward-declare struct rtx_def here. Don't
3464 typedef tree here. Change all uses of struct rtx_def *,
3465 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3466 and tree respectively.
3468 2001-08-17 Richard Henderson <rth@redhat.com>
3470 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3471 config/mips/openbsd.h: Fix typos last change.
3473 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3475 * doc/invoke.texi (Optimize Options): The default for
3476 -finline-limit is 600.
3478 2001-08-17 Richard Henderson <rth@redhat.com>
3480 * varasm.c (text_section): Allow TEXT_SECTION to override the
3481 printing of TEXT_SECTION_ASM_OP.
3482 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3483 (DATA_SECTION, BSS_SECTION): Remove.
3484 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3485 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3486 Rename from s/_NAME//.
3487 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3488 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3489 (TEXT_SECTION): ... here. New.
3490 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3491 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3492 * config/mips/openbsd.h: Likewise.
3493 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3494 (mips_asm_file_end): Likewise test.
3495 (mips_output_function_epilogue): Likewise. Switch back to data
3496 section after emitting the function.
3498 * doc/tm.texi (Sections): Document TEXT_SECTION.
3500 2001-08-17 Richard Henderson <rth@redhat.com>
3502 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3503 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3505 2001-08-17 Richard Henderson <rth@redhat.com>
3507 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3508 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3509 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3510 Add aligned attribute.
3512 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3514 * config/sh/sh.md: Add modes to unspecs in first insn to match
3515 those in the second.
3517 * Makefile.in: Fix collect2 copy for Cygwin.
3519 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3521 Install the proper patch.
3522 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3523 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3524 (expand_function_start): Likewise.
3525 * stmt.c (expand_decl): Likewise.
3526 * varasm.c (make_decl_rtx): Likewise.
3528 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3530 * final.c: Undo my previous accidental checkin.
3531 * output.h: Likewise.
3532 * tm.texi: Likewise.
3534 2001-08-16 Richard Henderson <rth@redhat.com>
3536 * varasm.c (named_section_flags): Remove align parameter.
3537 * varasm.c, dwarf2out.c: Update all callers.
3538 * output.h: Update prototypes.
3540 * target.h (target.asm_out.named_section): Remove align parameter.
3541 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3542 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3543 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3544 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3545 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3547 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3548 (get_named_section_flags, set_named_section_flags): New.
3549 (named_section_flags): Use them.
3550 (named_section): Do decl vs section flags check here...
3551 (default_section_type_flags): ... not here.
3552 (init_varasm_once): Create in_named_htab.
3553 (resolve_unique_section): Mark reloc unused.
3555 2001-08-16 Richard Henderson <rth@redhat.com>
3557 * varasm.c (force_const_mem): Keep pool alignment in bits.
3558 (output_constant_pool): Use assemble_align.
3560 2001-08-16 Zack Weinberg <zackw@panix.com>
3562 * doc/tm.texi: Remove extra @table command.
3564 2001-08-16 Zack Weinberg <zackw@panix.com>
3566 * final.c (shorten_branches): Clear the end of the label_align
3567 array only if we made it larger. Break up messy expressions
3570 * diagnostic.c (internal_error): Check for error recursion
3571 before doing ICE suppression.
3573 * timevar.c: Timing variables now count in milliseconds.
3574 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3575 (get_time): Not here.
3576 (timevar_print): Don't print any timer whose user, cpu, and
3577 wall times are all zero as displayed.
3578 * timevar.h: Update comment aboout units. Make timevar
3581 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3583 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3584 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3585 (expand_function_start): Likewise.
3586 * stmt.c (expand_decl): Likewise.
3587 * varasm.c (make_decl_rtx): Likewise.
3589 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3591 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3592 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3594 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3596 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3599 2001-08-16 Andreas Jaeger <aj@suse.de>
3601 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3604 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3606 * rtl.h (only_sets_cc0_p): New prototype.
3607 * jump.c (sets_cc0_p): Handle INSN.
3608 (only_sets_cc0_p): New function.
3609 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3610 (tidy_fallthru_edge): Likewise.
3611 * integrate.c (copy_insn_list): Likewise.
3612 * unroll.c (unroll_loop): Likewise.
3613 (copy_loop_body): Likewise.
3615 2001-08-15 Jason Eckhardt <jle@redhat.com>
3617 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3619 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3621 * predict.c (struct block_info_def): Remove nvisited.
3622 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3623 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3625 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3626 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3629 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3631 * predict.def: Update hitrates.
3633 2001-08-15 Richard Henderson <rth@redhat.com>
3635 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3637 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3639 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3640 note from its associated jump.
3642 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3644 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3645 also on 64-bit s390x targets.
3647 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3649 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3651 (arm_expand_prologue): Handled nested functions which take a
3652 variable argument list.
3653 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3654 macro with an invocation of
3655 arm_compute_initial_elimination_offset.
3656 * config/arm/arm-protos.h: Prototype
3657 arm_compute_initial_elimination_offset.
3659 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3661 * doc/install.texi (Specific, avr): Fix markup.
3662 (Specific, c4x): Ditto.
3664 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3666 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3668 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3670 * Makefile.in (OBJS): Add rtl-error.o
3671 (rtl-error.o): New rule.
3672 (diagnostic.o): Adjust dependency.
3673 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3674 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3675 warning_for_asm): Move to...
3676 rtl-error.c: ...here. New file.
3678 2001-08-14 Richard Henderson <rth@redhat.com>
3680 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3681 if USING_SJLJ_EXCEPTIONS.
3683 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3685 * tlink.c (scan_linker_output): Check string for unsatisfied in
3686 addition to undefined and unresolved.
3688 2001-08-14 Graham Stott <grahams@redhat.com>
3690 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3691 EH_FRAME_SECTION_NAME.
3693 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3695 * genattrtab.c (simplify_test_exp_in_temp): New function.
3696 (simplify_test_exp): Avoid explicit use of temporary obstack.
3697 (simplify_cond, insert_right_side, evaluate_eq_attr,
3698 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3699 Use simplify_test_exp_in_temp.
3700 (optimize_attrs): Iterate until expression stabilizes.
3702 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3704 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3705 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3707 2001-08-13 Richard Henderson <rth@redhat.com>
3709 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3710 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3711 * config/arm/conix-elf.h: Likewise.
3713 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3715 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3717 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3719 * gcse.c (hash_scan_set): Expressions that are set as part of
3720 jump instructions are not available.
3722 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3724 * config/s390/s390.c (print_operand, s390_function_prologue,
3725 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3727 2001-08-13 Richard Henderson <rth@redhat.com>
3729 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3730 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3731 * doc/tm.texi (Exception Region Output): Document it.
3733 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3735 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3736 DWARF2 instead of stabs by default.
3738 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3740 * config/rs6000/rs6000.c: Include optabs.h.
3742 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3744 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3745 save/restore routines.
3746 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3748 2001-08-13 Andreas Jaeger <aj@suse.de>
3750 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3751 the english is correct.
3753 2001-08-13 Zack Weinberg <zackw@panix.com>
3755 * expr.h: Split out optab- and libfunc-related code to...
3756 * optabs.h, libfuncs.h: ... these new headers.
3758 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3760 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3762 * mkconfig.sh: Don't include insn-codes.h from config.h.
3764 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3765 enum insn_code is available. Move reload_in_optab and
3766 reload_out_optab array declarations to optabs.h.
3767 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3768 there, prototype in expr.h.
3769 * gencodes.c: Cleanup: zap global variables, don't use
3770 printf where puts will do, don't bother defining MAX_INSN_CODE
3771 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3773 * genemit.c, genopinit.c: Include optabs.h in generated file.
3774 * genoutput.c: Include insn-codes.h in generated file.
3775 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3776 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3777 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3778 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3779 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3780 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3782 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3783 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3784 config/m88k/m88k.c, config/sparc/sparc.c:
3786 * reload.c: Include expr.h and optabs.h before reload.h.
3787 * config/alpha/alpha.c: Include tree.h before reload.h.
3788 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3789 and reload.h in that order.
3790 * config/sparc/sparc.c: Include debug.h.
3791 * recog.c: Include insn-codes.h.
3793 2001-08-13 Andreas Jaeger <aj@suse.de>
3795 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3798 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3800 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3801 * gcc.c (init_spec): Fix typo in comment.
3802 * varasm.c (data_section): Fix typo in comment.
3804 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3806 * predict.c (dump_prediction): New argument "USED".
3807 (combine_predictions_for_insn): Determine the used heuristics,
3808 output the case no heuristic applied.
3809 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3811 2001-08-13 Andreas Jaeger <aj@suse.de>
3813 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3816 2001-08-13 Kazu Hirata <kazu@hxi.com>
3818 * jump.c: Fix formatting.
3820 2001-08-13 Kazu Hirata <kazu@hxi.com>
3822 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3825 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3827 * loop.c (check_dbra_loop): Use condjump_label to compute
3830 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3831 to better document the files they're in.
3833 2001-08-12 Zack Weinberg <zackw@panix.com>
3835 * recog.h (struct insn_operand_data): Shrink 'mode' field
3838 2001-08-12 Kazu Hirata <kazu@hxi.com>
3840 * gcc.c: Fix comment formatting.
3841 * gccspec.c: Likewise.
3844 * genemit.c: Likewise.
3845 * gengenrtl.c: Likewise.
3846 * genrecog.c: Likewise.
3847 * gensupport.c: Likewise.
3848 * ggc-page.c: Likewise.
3849 * global.c: Likewise.
3850 * graph.c: Likewise.
3851 * ifcvt.c: Likewise.
3852 * integrate.c: Likewise.
3854 * libgcc2.c: Likewise.
3856 * mbchar.c: Likewise.
3857 * optabs.c: Likewise.
3858 * predict.c: Likewise.
3859 * prefix.c: Likewise.
3860 * profile.c: Likewise.
3861 * protoize.c: Likewise.
3863 * recog.c: Likewise.
3864 * regclass.c: Likewise.
3865 * regmove.c: Likewise.
3866 * reg-stack.c: Likewise.
3867 * reload1.c: Likewise.
3868 * resource.c: Likewise.
3869 * rtlanal.c: Likewise.
3872 2001-08-12 Kazu Hirata <kazu@hxi.com>
3874 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3875 a tree representing a constant is passed to the macro.
3877 2001-08-12 Richard Henderson <rth@redhat.com>
3879 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3880 (rs6000_elf_asm_out_destructor): New.
3881 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3882 (DTORS_SECTION_ASM_OP): Remove.
3883 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3884 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3886 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3889 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3890 * gcc.c (set_collect_gcc_options): New function, split out from
3892 Ignore elided switches.
3893 (do_spec_1): Invoke before executing command.
3894 (set_input): Export.
3895 Move declaration ...
3896 * gcc.h (set_input): ... here.
3897 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3900 2001-08-12 Richard Henderson <rth@redhat.com>
3902 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3903 thinko wrt TARGET_RELOCATABLE.
3905 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3907 * fix-header.c (cb_file_change): Update prototype.
3909 2001-08-11 Zack Weinberg <zackw@panix.com>
3911 * toplev.c (set_float_handler): Make static.
3912 * toplev.h: Don't prototype set_float_handler.
3914 * simplify-rtx.c: Don't include setjmp.h.
3915 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3917 (simplify_unary_operation, simplify_binary_operation): Use them,
3918 via do_float_handler.
3920 * fold-const.c: Don't include setjmp.h.
3921 (exact_real_inverse_1): New function.
3922 (exact_real_inverse): Use it, via do_float_handler.
3924 * varasm.c: Don't include setjmp.h.
3925 (assemble_real_1): New function.
3926 (assemble_real): Use it, via do_float_handler.
3927 Call internal_error if we get a trap here.
3929 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3930 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3932 2001-08-11 Zack Weinberg <zackw@panix.com>
3934 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3935 STACK_BOUNDARY if not already defined.
3937 * calls.c, function.c, reload1.c, explow.c: Don't default
3938 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3939 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3941 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3944 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3945 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3947 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3949 * cppmacro.c (enter_macro_context): Push macro expansions even
3952 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3954 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3955 (rs6000_elf_section_type_flags): Actually return a value.
3957 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3959 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3960 Clean up code: add missing comments and prototypes, fix warnings,
3961 remove obsolete code, fix spacing to conform to coding style.
3963 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3965 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3966 and TARGET_ASM_CLOSE_PAREN.
3967 (regclass_map): CC register belongs to class NO_REGS.
3968 (legitimize_pic_address): Don't generate unnecessary moves
3969 (to avoid confusing loop optimization).
3970 (check_and_change_labels): Replace jump_long by indirect_jump.
3971 (s390_final_chunkify): Don't start a new literal pool on section
3972 switch in 64-bit code.
3973 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3975 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3976 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3977 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3979 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3980 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3981 (CONST_COSTS): Fixed incorrect costs.
3983 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3984 Use emit_jump instead of emit_jump_insn (gen_jump).
3985 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3986 (to avoid confusing flow analysis).
3987 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3988 (casesi, casesi_jump): New.
3989 (jump_long): Removed. Functionality merged into indirect_jump.
3990 (indirect_jump): Accept address_operand, not just register_operand.
3991 (cjump_long, icjump_long): Use same logic as indirect_jump.
3992 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3993 Fixed broken setjmp/longjmp handling.
3994 (do_builtin_setjmp_setup): Removed.
3996 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3997 broken GNU as versions that don't accept .quad with large
3998 negative values. Use hexadecimal output instead.
3999 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4000 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4001 FUNCTION_EPILOGUE): Removed. Now in targetm.
4003 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4005 * config/s390/fixdfdi.h: Add missing copyright statement.
4006 Fix type conflicts on 64-bit. Add missing SFmode routines.
4008 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4011 2001-08-11 Richard Henderson <rth@redhat.com>
4013 * rtl.h (REG_EH_RETHROW): Remove.
4014 * rtl.c (reg_note_name): Update.
4015 * combine.c (distribute_notes): Don't check for it.
4017 2001-08-11 Richard Henderson <rth@redhat.com>
4019 * combine.c (distribute_notes): Place REG_SETJMP.
4021 2001-08-11 Richard Henderson <rth@redhat.com>
4023 * doc/extend.texi (Arrays and pointers implementation): Discourage
4024 relying on sign-extension of pointers.
4026 2001-08-11 H.J. Lu <hjl@gnu.org>
4028 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4030 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4031 RDATA_SECTION_ASM_OP.
4033 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4035 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4036 main manual to work both for info and HTML versions.
4038 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4039 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4041 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4042 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4043 (struct cpp_pool): New member first.
4044 * cppinit.c (append_include_chain): Plug memory leaks.
4045 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4046 Allocate pragma structures from the (aligned) macro pool to
4047 avoid leaking memory.
4048 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4049 so we don't leak memory.
4050 * hashtable.c (ht_destroy): New.
4051 * hashtable.h (ht_destroy): New.
4053 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4054 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4056 * c-lex.c (map): Make const.
4057 (cb_file_change): Update for callback passing a line map.
4058 Don't assume we have a previous map. Remove sanity check
4059 about popping too many files.
4060 * cpperror.c (print_location): Make map const.
4061 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4062 (cpp_make_system_header): Similarly.
4063 (search_from): Similarly.
4064 (_cpp_execute_include): Don't remember where we came from.
4065 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4066 (struct cpp_reader): Make map const.
4067 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4068 * cpplib.c (do_line): Update; line maps now hold sysp.
4069 (cpp_push_buffer): Similarly.
4070 (_cpp_do_file_change): Similarly; callback with map instead.
4071 (cpp_get_line_maps): Constify return value.
4072 (_cpp_pop_buffer): Update.
4073 * cpplib.h (struct cpp_file_change): Remove.
4074 (struct cpp_callbacks): Update.
4075 (cpp_get_line_maps): Constify return value.
4076 * cppmacro.c (_cpp_create_definition): Update.
4077 * cppmain.c (struct printer): Constify map.
4078 (maybe_print_line): Similarly.
4079 (print_line): Similarly. Deduce flags 1 and 2 here.
4080 (cb_file_change): Update.
4081 * line-map.c (free_line_maps): Warn regardless.
4082 (add_line_map): Return pointer to const. When passed NULL to_file
4083 with LC_LEAVE, use the obvious values for the return point so the
4084 caller doesn't have to figure them out.
4085 (lookup_line): Return pointer to const.
4086 (print_containing_files): Take pointer to const.
4087 * line-map.h (struct line_map): New members reason, sysp.
4088 (add_line_map): Return pointer to const.
4089 (lookup_line): Similarly.
4090 (print_containing_files): Take pointer to const.
4092 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4093 Richard Henderson <rth@redhat.com>
4095 * regmove.c (regmove_optimize): Avoid setting a register twice in
4098 2001-08-10 Richard Henderson <rth@redhat.com>
4100 * doc/extend.texi (Arrays and pointers implementation): Document
4101 behavior of pointer/integer conversion.
4103 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4105 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4107 2001-08-10 Richard Henderson <rth@redhat.com>
4109 * doc/extend.texi (C Implementation): New chapter.
4110 * doc/gcc.texi (Top): Link it in.
4112 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4114 * doc/install.texi (Specific): Fix CVS merge botch.
4116 2001-08-10 Richard Henderson <rth@redhat.com>
4118 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4119 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4121 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4123 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4124 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4125 this macro is now required.
4127 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4128 loop.c (find_and_verify_loops), reload.c (reload): Check
4129 for rtx code of CALL_INSN, not CALL, when deciding if we
4130 need to check for REG_SETJMP note.
4132 * gcse.c (compute_hash_table, compute_store_table): Update
4133 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4136 * config/avr/avr.c: Fix typo.
4137 * config/convex/convex.c (expand_movstr): Use adjust_address.
4138 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4140 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4141 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4143 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4144 Do define STACK_BOUNDARY.
4145 * config/i370/i370.c: Include expr.h.
4146 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4147 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4148 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4149 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4150 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4151 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4152 * config/romp/romp.c: Include expr.h after tree.h.
4154 (output_fpop): Use xmalloc, not oballoc.
4155 * config/we32k/we32k.c: Include expr.h.
4157 2001-08-10 Kazu Hirata <kazu@hxi.com>
4159 * config/h8300/h8300.h: Fix formatting.
4161 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4163 * c-common.h (RETURN_NULLIFIED_P): Lose.
4164 * c-semantics.c (genrtl_return_stmt): Don't check it.
4166 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4168 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4169 (mips_annotate_frame_insn): New function.
4170 (mips_emit_frame_related_store): New function.
4171 (save_restore_insns): Don't mark instructions that set up the base
4172 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4173 the store instructions instead.
4174 (mips_expand_prologue): If the stack size is moved into a temporary
4175 register, do not mark that move as frame-related. Add a
4176 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4178 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4180 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4181 stack slot as unchanging if current_function_calls_eh_return.
4183 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4185 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4186 access the second half of the TFmode scratch operand.
4188 2001-08-10 Anthony Green <green@redhat.com>
4190 * java/class.c (emit_register_classes): Conditionalize code on
4193 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4195 * doc/install.texi (Specific, avr): Fix cross-reference to the
4196 main manual to work both for info and HTML versions.
4198 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4200 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4201 and "use_goto" argument.
4202 (expand_null_return, expand_value_return): Update all callers.
4203 * function.c (expand_function_end): Remove code to generate simple
4205 * config/vax/vax.md (epilogue): New expander for function return.
4206 * doc/md.texi (epilogue): Remove "if defined".
4208 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4210 * Makefile.in: Partially revert my previous change:
4211 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4212 of the hashtab.o and safe-ctype.o rules.
4214 2001-08-09 Richard Henderson <rth@redhat.com>
4216 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4217 (USE_COLLECT2): Remove duplicate definition.
4218 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4219 (use_collect2): Remove dead code.
4220 * configure.in (use_collect2): Remove will_use_collect2 and
4221 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4222 * configure: Rebuild.
4224 * target.h (targetm.asm_out.constructor): New.
4225 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4226 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4227 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4228 * varasm.c (in_ctors, in_dtors): New.
4229 (assemble_constructor, assemble_destructor): Remove.
4230 (default_stabs_asm_out_destructor): New.
4231 (default_named_section_asm_out_destructor): New.
4232 (dtors_section, default_dtor_section_asm_out_destructor): New.
4233 (default_stabs_asm_out_constructor): New.
4234 (default_named_section_asm_out_constructor): New.
4235 (ctors_section, default_ctor_section_asm_out_constructor): New.
4236 * output.h: Update declarations.
4237 * c-decl.c (c_expand_body): Use target hooks instead of
4238 assemble_constructor and assemble_destructor.
4239 * profile.c (output_func_start_profiler): Likewise.
4240 * objc/objc-act.c (finish_objc): Likewise.
4241 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4242 for the constructor.
4243 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4245 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4246 (DTORS_SECTION_ASM_OP): Likewise.
4247 (__CTOR_LIST__): Use attribute section when possible.
4248 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4250 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4251 ASM_OUTPUT_CONSTRUCTOR.
4253 * config/darwin.c (machopic_asm_out_constructor): New.
4254 (machopic_asm_out_destructor): New.
4255 * config/darwin-protos.h: Update declarations.
4256 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4257 (ASM_OUTPUT_DESTRUCTOR): Remove.
4258 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4259 * config/nextstep.c (nextstep_asm_out_constructor): New.
4260 (nextstep_asm_out_destructor): New.
4261 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4262 (ASM_OUTPUT_DESTRUCTOR): Remove.
4263 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4264 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4265 ASM_OUTPUT_*STRUCTOR.
4266 * config/i386/aix386ng.h: Likewise.
4268 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4269 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4270 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4271 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4272 * config/lynx.h: Likewise.
4273 * config/netware.h: Likewise.
4274 * config/psos.h: Likewise.
4275 * config/alpha/alpha-interix.h: Likewise.
4276 * config/alpha/elf.h: Likewise.
4277 * config/arc/arc.h: Likewise.
4278 * config/arm/aof.h: Likewise.
4279 * config/arm/coff.h: Likewise.
4280 * config/arm/elf.h: Likewise.
4281 * config/c4x/c4x.h: Likewise.
4282 * config/h8300/h8300.h: Likewise.
4283 * config/i386/cygwin.h: Likewise.
4284 * config/i386/djgpp.h: Likewise.
4285 * config/i386/i386-coff.h: Likewise.
4286 * config/i386/i386-interix.h: Likewise.
4287 * config/i386/sco5.h: Likewise.
4288 * config/i386/vsta.h: Likewise.
4289 * config/i386/win32.h: Likewise.
4290 * config/i960/i960-coff.h: Likewise.
4291 * config/ia64/sysv4.h: Likewise.
4292 * config/m68hc11/m68hc11.h: Likewise.
4293 * config/m68k/coff.h: Likewise.
4294 * config/m68k/mot3300.h: Likewise.
4295 * config/m88k/m88k.h: Likewise.
4296 * config/mcore/mcore-pe.h: Likewise.
4297 * config/mcore/mcore.h: Likewise.
4298 * config/mips/elf.h: Likewise.
4299 * config/mips/elf64.h: Likewise.
4300 * config/mips/iris6.h: Likewise.
4301 * config/pa/pa64-hpux.h: Likewise.
4302 * config/rs6000/sysv4.h: Likewise.
4303 * config/sh/sh.h: Likewise.
4304 * config/sparc/litecoff.h: Likewise.
4306 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4307 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4308 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4309 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4310 (ASM_OUTPUT_DESTRUCTOR): Remove.
4311 * config/a29k/a29k.c: Move include of tree.h.
4312 * config/a29k/udi.h: Delete file.
4313 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4314 (vms_asm_out_destructor): New.
4315 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4316 (EXTRA_SECTION_FUNCTIONS): Likewise.
4317 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4318 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4319 * config/c4x/c4x.c: Move include of tree.h.
4320 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4321 (clix_asm_out_destructor): New.
4322 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4323 (ASM_OUTPUT_DESTRUCTOR): Remove.
4324 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4325 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4326 (TARGET_ASM_CONSTRUCTOR): New.
4327 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4328 (sco_asm_out_constructor): New.
4329 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4330 * config/i386/svr3gas.h: Remove stack grows up code.
4331 Remove code duplicated from i386/sysv3.h.
4332 (TARGET_ASM_CONSTRUCTOR): New.
4333 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4334 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4335 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4336 (TARGET_ASM_CONSTRUCTOR): New.
4337 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4338 (m68hc11_asm_out_destructor): New.
4339 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4340 (TARGET_ASM_DESTRUCTOR): New.
4341 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4342 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4343 config/svr3.h pertaining to section manipulation.
4344 * config/m68k/dpx2g.h: Remove #if 0 code.
4345 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4346 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4347 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4348 (TARGET_ASM_CONSTRUCTOR): New.
4349 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4350 (m88k_svr3_asm_out_constructor): New.
4351 (m88k_svr3_asm_out_destructor): New.
4352 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4353 (ASM_OUTPUT_DESTRUCTOR): Remove.
4354 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4355 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4356 * config/rs6000/aix.h: Likewise.
4357 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4358 * config/mips/vxworks.h: Likewise.
4359 * config/rs6000/lynx.h: Likewise.
4360 * config/sh/elf.h: Likewise.
4361 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4362 (DTORS_SECTION_ASM_OP): New.
4363 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4364 (ASM_OUTPUT_DESTRUCTOR): Remove.
4365 * config/sparc/sol2-sld-64.h: Likewise.
4366 * config/vax/vax.c (vms_asm_out_constructor): New.
4367 (vms_asm_out_destructor): New.
4368 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4369 (ASM_OUTPUT_DESTRUCTOR): Remove.
4370 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4372 * doc/tm.texi (@node Initialization): Update.
4374 2001-08-09 Richard Henderson <rth@redhat.com>
4376 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4377 (__do_global_dtors_aux): Use gp-relative static data to avoid
4378 one dynamic relocation.
4379 (__do_frame_setup): Register Java classes.
4380 * config/alpha/crtend.asm (__JCR_END__): New.
4382 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4384 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4385 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4386 (GEN, STAGESTUFF): Add new files.
4387 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4388 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4389 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4390 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4391 as well as insn-codes.h and insn-flags.h in config.h; and no
4392 extra headers in tconfig.h and hconfig.h.
4394 * gencodes.c: Eliminate code to generate predicate declarations
4395 or #defines for md-file constants.
4396 * genconstants.c, genpreds.c: New files.
4398 * i386.md: Re-order guard expressions such that TARGET_64BIT
4399 comes first, when this permits better optimization. Add
4400 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4401 why this is desirable.
4403 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4405 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4406 (find_fde_for_dso): Remove.
4407 (_Unwind_IteratePhdrCallback): New.
4408 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4409 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4411 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4413 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4414 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4416 2001-08-09 Graham Stott <grahams@redhat.com>
4418 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4419 (vis_no_unit): Use it.
4420 (visualize_no_unit): Add the insn only if room exists.
4422 2001-08-09 Graham Stott <grahams@redhat.com>
4424 * predict.c (estimate_probability): Replace magic numbers with
4425 appropriate enumeration.
4427 2001-08-09 Graham Stott <grahams@redhat.com>
4429 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4431 (EXTRACT_FLAGS): Likewise.
4433 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4435 * config/mips/mips.c (mips_legitimate_address_p): Check for
4436 CONST_INT in last patch.
4438 2001-08-08 Anthony Green <green@redhat.com>
4440 * java/class.c (emit_register_classes): Use assemble_jcr if
4441 possible. Keep the original mechanism as a fallback.
4442 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4443 and weak symbol support.
4444 * crtstuff.c (__JCR_LIST__): Define.
4445 (__JCR_END__): Define.
4446 (_Jv_RegiserClasses): Define weak symbol if possible.
4447 (__do_global_ctors_aux): Register classes for ELF targets with
4448 weak symbol support.
4450 2001-08-08 Kazu Hirata <kazu@hxi.com>
4452 * dbxout.c: Fix comment formatting.
4453 * dependence.c: Likewise.
4455 * diagnostic.c: Likewise.
4456 * dominance.c: Likewise.
4457 * doprint.c: Likewise.
4458 * dwarf2out.c: Likewise.
4459 * dwarfout.c: Likewise.
4460 * emit-rtl.c: Likewise.
4461 * except.c: Likewise.
4462 * explow.c: Likewise.
4463 * expmed.c: Likewise.
4466 * fold-const.c: Likewise.
4467 * function.c: Likewise.
4469 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4471 * global.c (retry_global_alloc): Avoid shadowing allocno.
4473 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4475 * except.c (remove_fixup_regions): Fix typo.
4477 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4479 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4480 unsigned HOST_WIDE_INT to avoid warning.
4481 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4482 * flow.c (set_block_for_new_insns): Likewise.
4484 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4486 * sibcall.c (return_value_pseudo): New static variable.
4487 (skip_copy_to_return_value): Handle return_value_pseudo.
4488 (call_ends_block_p): Ensure that return_value_pseudo is set.
4489 (optimize_sibling_and_tail_recursive_call): Discover the
4490 load of pseudo return value in alternate exit block.
4492 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4494 * calls.c (ECF_ALWAYS_RETURN): New constant.
4495 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4496 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4497 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4498 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4499 * rtl.c (reg_note_name): New name.
4500 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4502 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4504 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4506 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4508 * alias.c (get_alias_set): Return a previously calculated
4509 alias set for a VAR_DECL.
4510 * function.c (gen_mem_addressof): Calculate the alias set before
4513 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4515 * predict.def: Set hitrates according our experimental run.
4517 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4519 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4521 2001-08-08 H.J. Lu <hjl@gnu.org>
4523 * config/mips/mips.c (mips_unique_section): New. Copied from
4526 * config/mips/mips-protos.h (mips_unique_section): New
4529 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4531 * config/mips/little.h: New. Generic little endian mips
4532 targets. Only mips*-*-linux* is converted to use it so far.
4534 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4535 (WCHAR_TYPE): Defined
4536 (WCHAR_TYPE_SIZE): Likewise.
4537 (INIT_SUBTARGET_OPTABS): Likewise.
4538 (BSS_SECTION_ASM_OP): Likewise.
4539 (SBSS_SECTION_ASM_OP): Likewise.
4540 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4541 (ASM_DECLARE_OBJECT_NAME): Likewise.
4542 (UNIQUE_SECTION): Likewise.
4543 (EXTRA_SECTIONS): Likewise.
4544 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4545 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4546 (ASM_OUTPUT_DEF): Likewise.
4547 (HANDLE_SYSV_PRAGMA): Removed.
4548 (NO_IMPLICIT_EXTERN_C): Likewise.
4549 (TARGET_MEM_FUNCTIONS): Likewise.
4550 (STARTFILE_SPEC): Likewise.
4551 (ENDFILE_SPEC): Likewise.
4552 (LIB_SPEC): Likewise.
4553 (INVOKE__main): Likewise.
4554 (CTOR_LIST_BEGIN): Likewise.
4555 (CTOR_LIST_END): Likewise.
4556 (DTOR_LIST_BEGIN): Likewise.
4557 (DTOR_LIST_END): Likewise.
4558 (SET_ASM_OP): Likewise.
4559 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4560 (ASM_OUTPUT_DEF): Likewise.
4561 (ASM_OUTPUT_IDENT): Likewise.
4563 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4564 (CPLUSPLUS_CPP_SPEC): Likewise.
4565 (ASM_APP_ON) Redefine only if not defined.
4566 (ASM_APP_OFF): Likewise.
4567 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4568 (ASM_OUTPUT_IDENT): Likewise.
4570 * config.gcc: Update tm_file for Linux/mips.
4572 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4574 * cselib.c (cselib_record_sets): If insn is predicated, turn
4575 sources into IF_THEN_ELSEs.
4577 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4578 Turn into define_insn_and_split.
4580 * sched-deps.c: Include "cselib.h".
4581 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4582 Use cselib to turn memory addresses into VALUEs.
4583 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4584 * sched-int.h (struct sched_info): New member USE_CSELIB.
4585 * sched-ebb.c (ebb_sched_info): Initialize it.
4586 * sched-rgn.c (rgn_sched_info): Likewise.
4587 * Makefile.in (sched-deps.o): Update dependencies.
4589 * cselib.h (cselib_subst_to_values): Declare.
4590 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4591 that have no value and autoincs to be handled by generating a new
4594 2001-08-08 Graham Stott <grahams@redhat.com>
4596 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4597 within fixed length SEQUENCE.
4599 2001-08-08 Graham Stott <grahams@redhat.com>
4601 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4602 (diagnostic_prefixing_rule): Likewise.
4603 (diagnostic_line_cutoff): Likewise.
4604 (diagnostic_kind_count): Likewise.
4606 2001-08-08 Graham Stott <grahams@redhat.com>
4608 * alias.c (find_base_decl): Delete redundent assignment.
4610 2001-08-08 Graham Stott <grahams@redhat.com>
4612 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4613 (abs): Uppercase and paranthesize macro parameter.
4614 (MEM_DEPENDENCY): Add whitespace.
4616 2001-08-08 Graham Stott <grahams@redhat.com>
4618 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4619 failure check for CONST_INT
4621 2001-08-08 Graham Stott <grahams@redhat.com>
4623 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4624 (libcall_dead_p): Likewise.
4626 (mark_used_regs): Constify fmt.
4627 (find_use_as_address): Likewise.
4629 2001-08-08 Graham Stott <grahams@redhat.com>
4631 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4634 2001-08-08 Graham Stott <grahams@redhat.com>
4636 * combine.c (combine_simplify_rtx): Update comment and
4637 remove erroneous test.
4639 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4641 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4642 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4643 take care to avoid multiple no-newline at EOF warnings in that
4646 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4648 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4649 (emit_library_call_value_1): Likewise.
4650 (emit_call_1): Emit REG_SETJMP note.
4651 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4653 * cselib.c (cselib_process_insn): Likewise.
4654 * flow.c (propagate_block): Likewise.
4655 * loop.c (find_and_verify_loops): Likewise.
4656 * reload.c (find_equiv_regs): Likewise.
4657 * reload1.c (reload): Likewise.
4658 * resource.c (mark_referenced_resources,
4659 mark_set_resources): Likewise.
4660 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4661 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4662 * haifa-sched.c (unlink_other_notes): Likewise.
4663 (reemit_notes): Likewise.
4664 * sched-ebb.c (sched_ebb): Likewise.
4665 * sched-rgc.c (sched_region): Likewise.
4666 * rtl.c (note_insn_name): Likewise.
4667 (reg_note_name): Add REG_SETJMP
4668 * rtl.h (reg_note): Add REG_SETJMP.
4669 (insn_note): Remove NOTE_INSN_SETJMP.
4671 * profile.c (branch_prob): Add fake edges for setjmp.
4673 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4675 * config.gcc: Quote target_cpu_default2 correctly for
4676 powerpc*-*-* targets.
4678 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4680 * cpplib.h, line-map.h: Update comments.
4681 * cppmain.c (printer_init): Move inline.
4682 (maybe_print_line, print_line): Take a map pointer.
4683 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4684 (cb_file_change): Don't use prior value of print.map.
4686 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4688 * doc/install.texi: Document fine-grained multilib configuration.
4690 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4692 * rtlanal.c (find_first_parameter_load): Call note_stores
4693 only on the instructions.
4695 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4697 * alias.c (nonlocal_mentioned_p):
4698 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4699 * calls.c (emit_call_1): Likewise.
4700 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4701 * cselib.c (cselib_process_insn): Likewise.
4702 * df.c (df_insns_modify): Likewise.
4703 * flow.c (need_fake_edge_p): Likewise.
4704 (propagate_one_insn): Likewise.
4705 * haifa-sched.c (reemit_notes): Likewise.
4706 * integrate.c (copy_insn_list): Likewise.
4707 * jump.c (delete_prior_computation): Likewise.
4708 * local-alloc.c (validate_equiv_mem): Likewise.
4709 * loop.c (scan_loop): Likewise.
4710 * predict.c (estimate_probability): Likewise.
4711 * reload.c (reload): Likewise.
4712 * sched-deps (sched_analyze): Likewise.
4713 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4714 * gcse.c (compute_hash_table): Likewise.
4715 (mark_call): Likewise.
4716 (store_killed_in_insn): Likewise.
4718 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4720 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4722 2001-08-06 Richard Henderson <rth@redhat.com>
4724 * varasm.c (assemble_gc_entry): Remove.
4725 * output.h: Likewise.
4727 2001-08-06 Richard Henderson <rth@redhat.com>
4729 * varasm.c (assemble_constructor): Take a symbol_ref and a
4730 priority instead of a bare string. Move priority handling
4731 here from cp/decl2.c.
4732 * output.h: Update decls.
4734 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4735 and assemble_destructor.
4736 * profile.c (output_func_start_profiler): Likewise.
4737 * objc/objc-act.c (finish_objc): Likewise.
4738 (build_module_descriptor): Return the symbol not the symbol name.
4740 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4742 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4743 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4744 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4745 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4746 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4747 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4749 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4751 * cpperror.c (print_containing_files): Moved to line-map.c.
4752 (print_location): line-map.c handles re-listing or otherwise.
4753 * cpphash.h (struct lexer_state): Remove next_bol.
4754 (struct cpp_buffer): Remove include_stack_listed.
4755 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4756 Remove faked buffer handling.
4757 (_cpp_do_file_change): Tweak.
4758 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4759 * cppmain.c (struct printer): Remove filename.
4760 (print_line, cb_file_change): Update accordingly.
4761 * line-map.c: Include intl.h.
4762 (init_line_maps): Initialize last_listed.
4763 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4764 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4765 (print_containing_files): New.
4766 * line-map.h (struct line_maps): New member last_listed.
4767 (print_containing_files, INCLUDED_FROM): New.
4768 * Makefile.in: Update.
4769 * po/POTFILES.in: Add line-map.c.
4771 2001-08-06 Richard Henderson <rth@redhat.com>
4773 * except.c (convert_from_eh_region_ranges_1): Never mark
4774 USE or CLOBBER insns as throwing.
4776 * expr.c (store_constructor): Don't clobber memory targets.
4778 2001-08-06 Andreas Jaeger <aj@suse.de>
4780 * profile.c (branch_prob): Remove unused variable insn.
4782 * Makefile.in (local-alloc.o): Add dependency on except.h.
4784 * local-alloc.c: Include except.h for can_throw_internal prototype.
4786 2001-08-06 Richard Henderson <rth@redhat.com>
4788 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4789 * function.c (expand_main_function): Implement it.
4790 * doc/tm.texi: Document it.
4792 2001-08-06 Stan Shebs <shebs@apple.com>
4794 * doc/install.texi: Document powerpc-*-darwin* details.
4796 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4798 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4799 (ASM_CPU_SPEC): Move back to rs6000.h
4800 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4802 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4804 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4807 * config/rs6000/linux64.h: Ditto.
4809 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4810 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4813 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4814 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4816 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4819 2001-08-05 Richard Henderson <rth@redhat.com>
4821 * local-alloc.c (update_equiv_regs): Do not move insns that
4824 2001-08-05 Jan Hubicka <jh@suse.cz>
4826 * Makefile.in (reload1.o): Add dedendancy on except.h
4827 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4829 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4830 indicating wehther edges has been cleaned up.
4831 * reload1.c: Inlucde except.h
4832 (fixup_abnormal_edges): Accept deleted insns.
4833 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4836 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4838 * cpplib.c (do_line): Correct line number after pop_buffer.
4840 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4842 PR preprocessor/3824
4843 * line-map.c: Update comments.
4844 * line-map.h: Update comments.
4845 * tradcif.y: Don't consider large numbers unsigned.
4847 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4849 PR preprocessor/3081
4850 * c-lex.c (map): New.
4851 (cb_file_change): Update map and use it.
4852 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4853 (c_lex): Update to use map.
4854 * cpperror.c (print_location): Move to using logical line numbers.
4855 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4856 (cpp_make_system_header): Similarly.
4857 (_cpp_execute_include): Stop line numbering hacks. Store the
4858 line we will return to.
4859 * cpphash.h (CPP_BUF_LINE): Remove.
4860 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4861 Add map and return_to_line.
4862 (_cpp_do_file_change): Update.
4863 * cppinit.c (cpp_start_read): Update line kludge.
4864 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4865 (trigraph_ok): Use logical line numbers for diagnostics.
4866 (skip_block_comment): Likewise.
4867 (skip_whitespace): Likewise.
4868 (skip_line_comment): Use pfile->line instead.
4869 (_cpp_lex_token): Update to use logical line numbering exclusively.
4870 Handle BOL locally. Accept new lines in directives, but keep
4871 pfile->line decremented. Diagnostics use logical lines. Update
4873 * cpplib.c (SEEN_EOL): New.
4874 (skip_rest_of_line, check_eol): Use it.
4875 (end_directive): Increase line number when accepting the newline
4876 at the end of a directive.
4877 (run_directive): Simplify.
4878 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4879 (_cpp_do_file_change): Update to take buffer line number as an
4880 argument, and store the current map in the cpp_reader. Remove
4881 line number kludges.
4882 (_cpp_do__Pragma): Restore output position after a _Pragma.
4883 (cpp_push_buffer): Don't set output line or lineno.
4884 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4885 Remove line kludge. Set output_line.
4886 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4887 (parse_arg): Use logical lines.
4888 (save_lookahead_token): Save EOFs too now.
4889 * cppmain.c (struct printer): Fix comments.
4890 (printer_init): Simplify, let caller do errors.
4891 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4892 (maybe_print_line): Simplify.
4893 (print_line): Don't print a linemarker if -P.
4894 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4895 (cb_file_change): Simplify.
4896 * line-map.h (LAST_SOURCE_LINE): Fix.
4897 (CURRENT_LINE_MAP): New.
4899 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4901 * doloop.c (doloop_modify_runtime): Properly compute number of
4902 iterations if loop was unrolled.
4904 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4905 if their CSELIB_VAL_PTRs are.
4907 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4908 (setup_spill_pointers): Initialize it.
4909 (spill_restore_mem): Set it.
4910 (do_spill, do_restore): Use it to add REG_INC note.
4911 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4913 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4914 asms if other insns are available.
4916 * config/ia64/ia64.c (condop_operator): New predicate.
4917 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4918 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4921 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4922 temporary register than directly using a MEM.
4924 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4926 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4927 parameter in last change.
4929 2001-08-04 Zack Weinberg <zackw@panix.com>
4931 * sparc.md: Don't use #if inside C test expression.
4933 2001-08-04 Richard Henderson <rth@redhat.com>
4935 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4937 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4939 * cpphash.h (struct cpp_reader): New member directive_line.
4940 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4941 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4942 do_pragma): Pass line to callbacks.
4943 (start_directive): Record line of directive.
4944 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4945 cb_include): Similarly.
4946 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4949 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4951 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4954 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4956 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4958 * reload1.c (fixup_abnormal_edges): New static function.
4961 * flow.c (need_fake_edge_p): New function.
4962 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4963 avoid call insn to be very last insn in the insn stream.
4965 * profile.c (branch_prob): Call flow_call_edges_add instead of
4966 doing that by hand; cleanup cfg to re-merge basic blocks once
4969 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4971 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4972 are also on line-map.h.
4973 * cppfiles.c (stack_include_file): Update.
4974 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4975 (_cpp_pop_buffer): New.
4976 * cppinit.c (cpp_destroy, cpp_finish): Update.
4977 (do_includes): Mark each buffer to return at EOF.
4978 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4979 return as requested.
4980 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4981 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4982 * cpplib.h (cpp_pop_buffer): Remove.
4983 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4984 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4986 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4988 (do_preprocessing): Update.
4989 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4990 * c-parse.in (_yylex): Similarly.
4991 * scan-decls.c (scan_decls): Similarly.
4992 * line-map.h: Update comments.
4994 * objc/Make-lang.in (objc-act.o): Update dependencies.
4996 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4998 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4999 and soft register for operand 0.
5000 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5002 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5004 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5005 register for operand 0.
5006 ("bitcmpqi_z_used"): Allow memory for operand 0.
5007 (split "bitcmpqi"): New split to handle address reg as operand 1.
5009 2001-08-04 Andreas Jaeger <aj@suse.de>
5011 * gcse.c: Revert Daniel's last patch.
5013 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5015 * sparc-protos.h: Add prototypes for fp_zero_operand and
5017 * sh-protos.h: Add prototype for fpul_operand.
5019 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5021 * doc/extend.texi (Other Builtins): Fix typo in last change.
5023 2001-08-03 Richard Henderson <rth@redhat.com>
5025 * target.h (gcc_target): Add asm_out.named_section,
5026 section_type_flags, have_named_sections.
5027 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5028 (TARGET_HAVE_NAMED_SECTIONS): New.
5029 (TARGET_SECTION_TYPE_FLAGS): New.
5031 * Makefile.in (toplev.o): Depend on TARGET_H.
5032 (varasm.o, dbxout.o): Likewise.
5033 * c-common.c (decl_attributes): Check targetm.have_named_sections
5034 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5035 * dbxout.c (dbxout_function_decl): Likewise.
5036 (dbxout_function_end): Likewise.
5037 * toplev.c (compile_file): Likewise.
5038 * varasm.c (exception_section): Likewise.
5039 * cp/decl2.c (finish_objects): Likewise.
5041 * defaults.h (EH_FRAME_SECTION): Remove.
5042 (EH_FRAME_SECTION_ASM_OP): Remove.
5043 (EH_FRAME_SECTION_NAME): New.
5044 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5045 (UNIQUE_SECTION_P): Remove.
5046 * dwarf2out.c (SECTION_FORMAT): Remove.
5047 (ASM_OUTPUT_SECTION): Remove.
5048 (output_call_frame_info): Use named_section_flags.
5049 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5050 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5051 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5052 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5053 (named_section_flags): New.
5054 (named_section): Use it and targetm.section_type_flags.
5055 (resolve_unique_section): New.
5056 (assemble_start_function): Use it.
5057 (asm_emit_uninitialised, assemble_variable): Likewise.
5058 (default_section_type_flags): New.
5059 (default_no_named_section, default_elf_asm_named_section): New.
5060 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5061 * output.h: Update varasm.c decls.
5062 (SECTION_*): New flags.
5064 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5065 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5067 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5068 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5069 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5070 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5071 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5072 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5073 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5074 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5075 * config/pa/pa64-hpux.h,
5077 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5078 (TARGET_ASM_NAMED_SECTION): New.
5079 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5080 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5081 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5082 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5083 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5084 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5085 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5086 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5087 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5088 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5089 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5090 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5091 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5092 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5093 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5094 * config/sparc/sysv4.h: Likewise.
5096 * config/nextstep.h: Error until named sections implemented.
5098 * config/a29k/a29k.c (a29k_asm_named_section): New.
5099 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5100 (vms_section_type_flags, vms_asm_named_section): New.
5101 * config/arm/arm.c (arm_elf_asm_named_section): New.
5102 * config/avr/avr.c (asm_output_section_name): Remove.
5103 * config/avr/avr-protos.h: Update.
5104 * config/c4x/c4x.c (c4x_asm_named_section): New.
5105 * config/h8300/h8300.c (h8300_asm_named_section): New.
5106 * config/i386/i386.c (sco_asm_named_section): New.
5107 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5108 (i386_pe_section_type_flags): New.
5109 (i386_pe_asm_named_section): New.
5110 * config/i386/i386-protos.h: Update.
5111 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5112 * config/mcore/mcore.c (mcore_asm_named_section): New.
5113 * config/mips/mips.c (iris6_asm_named_section): New.
5114 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5115 instead of UNIQUE_SECTION_P.
5116 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5117 (xcoff_asm_named_section): New.
5118 * config/sh/sh.c (sh_asm_named_section): New.
5119 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5121 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5122 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5123 (EH_FRAME_SECTION_NAME): New.
5124 (EXCEPTION_SECTION): New.
5125 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5126 (DEBUG_*_SECTION): Remove.
5127 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5128 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5129 (EH_FRAME_SECTION_ASM_OP): Remove.
5131 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5132 (ASM_OUTPUT_SECTION_NAME): Remove.
5133 (TARGET_ASM_NAMED_SECTION): New.
5134 (TARGET_HAVE_NAMED_SECTIONS): New.
5135 (TARGET_SECTION_TYPE_FLAGS): New.
5136 (EH_FRAME_SECTION_ASM_OP): Remove.
5137 (EH_FRAME_SECTION_NAME): New.
5139 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5141 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5142 for complex expressions when cfun == 0.
5143 * doc/extend.texi: Document that __builtin_constant_p can be
5144 used in data initializers as well as functions.
5146 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5148 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5149 variable I locally, instead of expecting a declaration in the
5152 2001-08-03 Richard Henderson <rth@redhat.com>
5154 * except.c (collect_one_action_chain): Add an explicit cleanup
5155 action if regions surrounding a catch were encoded entirely
5156 within the call-site entry.
5158 2001-08-03 Richard Henderson <rth@redhat.com>
5160 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5161 don't take REGNO of a non-register.
5163 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5165 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5166 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5167 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5168 (__gthread_mutex_init_function): New function for mutex initialization.
5170 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5172 * Makefile.in: Revert screwed up commit.
5174 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5176 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5177 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5178 merged by linker script to get a final _exit().
5179 (__do_global_dtors): New for destructor handling in specific exit
5181 (__do_global_ctors): New for constructors in specific install section.
5182 (__map_data_section): Map data sections before running constructors.
5183 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5184 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5185 (DTORS_SECTION_ASM_OP): Likewise.
5186 (CTORS_SECTION_FUNCTION): Define to force a reference to
5188 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5190 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5192 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5194 * Makefile.in: Add df.h to gcse.c dependencies.
5196 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5198 * varasm.c (output_constant_def_contents): Use for the length of a
5199 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5200 depending on which is larger.
5202 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5204 * gcse.c: Include df.h for use as a dataflow analyzer.
5206 Declaration of reg_set_info: gone.
5207 New df_analyzer variable used by store motion.
5208 (reg_set_info): Deleted.
5209 (mark_mem_regs): New function, analyze regs used by a mem.
5210 (store_ops_ok): Use dataflow analyzer results to determine if
5211 necessary regs are changed in the block.
5212 (find_moveable_store): Remove check for symbol ref, we can handle
5213 much more complex expressions now.
5214 (compute_store_table): Remove most of the code, it's unnecessary
5215 now that the dataflow analyzer records the info for us.
5216 (store_killed_after): Add parameter to say whether to do the
5217 store_ops_okay test, used to speed up testing when we already know
5218 the answer, and just want to know if the store itself was killed.
5219 (build_store_vector): Largely rewritten to calculate the various
5220 vectors properly, and somewhat optimized.
5221 (store_motion): Init the df_analyzer, get REG_DEF chains.
5222 Also handle trapping expressions (since mems almost always trap)
5223 (simple_mem): Redefine what a simple mem is.
5225 2001-08-03 DJ Delorie <dj@redhat.com>
5227 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5228 set from a constant part of the condition.
5230 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5232 * mkdeps.c (deps_add_default_target): Make local variable
5233 ``start'' a const char pointer.
5234 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5236 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5238 * doc/install.texi (Configuration): Fix markup.
5239 (Specific, i?86-*-udk): Likewise.
5240 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5242 Document --enable-threads and --enable-libgcj status.
5243 (Specific, mips-sgi-irix*): Canonicalize triples.
5244 (Specific, mips-sgi-irix5): Warn about problems with this config.
5245 Mention required GNU as patch.
5246 Native assembler problems are fixed.
5247 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5248 Document --enable-threads and --enable-libgcj status.
5250 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5252 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5255 2001-08-03 Richard Henderson <rth@redhat.com>
5257 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5260 2001-08-03 Richard Henderson <rth@redhat.com>
5262 * rtlanal.c (find_first_parameter_load): Stop if we
5263 reach a CODE_LABEL at BOUNDARY.
5265 2001-08-03 Richard Henderson <rth@redhat.com>
5267 * config/alpha/alpha.md (force_movdi): New insn.
5268 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5269 Tweek FRP marking of VMS prologue insns.
5270 * config/alpha/vms.h (EPILOGUE_USES): New.
5272 2001-08-02 Richard Henderson <rth@redhat.com>
5274 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5276 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5278 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5279 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5280 config/convex/convex.h, config/d30v/d30v.c,
5281 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5282 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5283 config/mips/mips.h, config/mn10200/mn10200.h,
5284 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5285 config/v850/v850.h, config/vax/openbsd.h,
5286 config/vax/openbsd1.h, config/vax/ultrix.h,
5287 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5288 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5289 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5290 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5291 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5292 in comments and documentation.
5294 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5298 * Makefile.in (line-map.o): New.
5299 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5300 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5301 * cpperror.c (print_containing_files): Similarly.
5302 (print_location): Update. Don't output a space before _Pragma.
5303 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5304 (stack_include_filee, cpp_make_system_header): Update.
5305 (_cpp_execute_include): Get logical line number right for calling
5306 as-yet-unterminated #include.
5307 * cpphash.h (struct cpp_reader): Add line_maps.
5308 (_cpp_do_file_change): Update.
5309 * cppinit.c (cpp_create_reader): Initialize line maps.
5310 (cpp_destroy): Destroy line maps.
5311 (cpp_start_read): Get logical line number right.
5312 * cpplex.c (parse_string): Only warn once for multi-line strings.
5313 Use boolean variable for null warning.
5314 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5316 (do_include_common): End the directive early.
5317 (do_line): Don't warn about out-of-range lines in preprocessed
5318 source. Update. Remove unused variables.
5319 (_cpp_do_file_change): Update for new line mapping.
5320 (pragma_cb): New typedef.
5321 (cpp_register_pragma): Stop looking ahead before calling the
5323 (do_pragma_system_header): End directive early.
5324 (cpp_get_line_maps): New.
5325 (cpp_pop_buffer): Fudge logical line. Update.
5326 * cpplib.h: Include line-map.h
5327 (enum cpp_fc_reason): Remove.
5328 (struct cpp_file_change): Update.
5329 (cpp_get_line_maps): New.
5330 * cppmain.c (struct_printer): New member map.
5331 (cb_file_change): Update for new mappings.
5332 * fix-header.c (cb_file_change): Similarly.
5334 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5336 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5337 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5339 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5341 * config/vax/vax.c: include expr.h.
5343 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5345 * Makefile.in ($(srcdir)/configure): Only rebuild in
5347 ($(srcdir)/config.in): Only define in maintainer mode.
5348 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5350 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5352 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5354 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5356 * gcc.c (set_collect_gcc_options): New function, split out from
5358 Ignore elided switches.
5359 (do_spec_1): Invoke before executing command.
5360 (set_input): Export.
5361 Move declaration ...
5362 * gcc.h (set_input): ... here.
5363 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5366 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5369 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5371 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5373 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5375 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5376 for the unnamed instructions it expands to.
5378 2001-08-02 Richard Henderson <rth@redhat.com>
5380 * regclass.c (call_really_used_regs): Conditionally define.
5381 (init_reg_sets_1): Don't use it if not defined.
5382 (fix_register): Similarly, don't set it.
5384 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5386 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5387 Correct comment that had been missed in the previous change.
5389 2001-08-01 Stan Shebs <shebs@apple.com>
5391 * config/darwin.c (machopic_stub_name): Try matching by name.
5392 (update_stubs): New function.
5393 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5396 2001-08-01 Richard Henderson <rth@redhat.com>
5398 * except.c (output_function_exception_table): Use assemble_align.
5399 * varasm.c (assemble_eh_label): Remove.
5400 (assemble_eh_align, assemble_eh_integer): Remove.
5402 2001-08-01 Robert Lipe <robertl@caldera.com>
5404 * dwarfout.c: Remove reference to README.DWARF.
5406 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5408 * regclass.c (call_really_used_regs): New array for registers which
5409 are actually used by a call.
5410 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5412 (fix_register): Set call_really_used too.
5413 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5414 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5416 2001-08-01 Richard Henderson <rth@redhat.com>
5418 * read-rtl.c (read_name): Consider \r whitespace.
5420 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5422 * config.gcc: Recognize powerpc-*-netbsd*.
5424 * doc/install.texi (Host/target specific installation notes for
5425 GCC): Mention powerpc-*-netbsd*.
5427 * config/rs6000/netbsd.h: New file.
5428 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5429 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5430 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5431 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5432 (TARGET_VERSION): Redefine.
5434 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5435 mcall-netbsd as a match for mcall-sysv.
5436 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5437 (ncrti.S, ncrtn.S): New targets.
5438 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5440 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5441 "netbsd' as a V4 ABI.
5442 (ASM_SPEC): Check for -mcall-netbsd.
5443 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5444 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5445 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5446 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5447 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5448 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5449 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5451 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5452 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5454 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5456 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5457 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5458 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5459 including "unwind-pe.h".
5461 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5463 * rs6000.md (define_splits): Kill unused constraints.
5465 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5466 Jan Hubicka <jh@suse.cz>
5468 * function.c (thread_prologue_and_epilogue_insns): Kill code
5469 dealing with non-existent CFG.
5471 2001-08-01 Kazu Hirata <kazu@hxi.com>
5473 * alias.c: Fix comment formatting.
5474 * bitmap.c: Likewise.
5475 * builtins.c: Likewise.
5476 * calls.c: Likewise.
5477 * c-common.c: Likewise.
5478 * c-decl.c: Likewise.
5479 * c-dump.c: Likewise.
5480 * c-lex.c: Likewise.
5481 * collect2.c: Likewise.
5482 * combine.c: Likewise.
5483 * conflict.c: Likewise.
5484 * cppfiles.c: Likewise.
5485 * cppinit.c: Likewise.
5486 * cpplex.c: Likewise.
5487 * cpplib.c: Likewise.
5488 * cppmacro.c: Likewise.
5489 * cppspec.c: Likewise.
5490 * c-pragma.c: Likewise.
5491 * crtstuff.c: Likewise.
5493 * cselib.c: Likewise.
5494 * c-semantics.c: Likewise.
5495 * c-typeck.c: Likewise.
5497 2001-08-01 H.J. Lu <hjl@gnu.org>
5499 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5501 2001-08-01 H.J. Lu <hjl@gnu.org>
5503 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5505 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5507 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5508 contextualizing Objective-C class name lookup by the lexer.
5509 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5511 (protocoldef): Add support for forward @protocol declarations.
5512 (yylexname): Suppress ObjC class name lookup in certain contexts;
5513 re-enable after lookup is complete.
5514 (_yylex): Re-enable ObjC class name lookup when certain
5515 punctuation marks are seen.
5517 * objc/objc-act.c (check_protocol_recursively): New function used
5518 for finding circular dependencies in protocols.
5519 (objc_declare_protocols): New function for handling forward
5520 @protocol declarations.
5521 (receiver_is_class_object): Detect the case when 'self' is used
5522 inside of a class method.
5523 (build_message_expr): Issue a warning if class method is desired
5524 but instance method is found instead.
5525 (conforms_to_protocol): Streamline.
5526 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5527 protocol Foo, even if 'Bar foo' does not.
5528 (check_protocols): Streamline.
5529 (start_protocol): Add checks for circular and duplicate protocol
5531 (encode_aggregate_within): For typedefs of structs, encode the
5533 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5534 (objc_declare_protocols): New prototype.
5536 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5538 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5539 * cpplex.c (handle_newline): Update prototype. Maintain logical
5541 (skip_escaped_newlines, skip_block_comment, parse_string):
5543 (_cpp_lex_token): Update, and store token position within the token.
5544 * cpplib.h (struct cpp_token): Add line and column entries.
5545 * cppmacro.c (replace_args): Position stringified tokens correctly.
5547 2001-08-01 Andreas Jaeger <aj@suse.de>
5549 * basic-block.h: Add prototype for last_loop_beg_note.
5551 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5553 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5554 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5556 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5557 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5558 expand_decl_cleanup.
5559 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5561 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5562 operand while calling simple_cst_equal.
5563 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5564 operand is the cleanup expression, the third is the RTL_EXPR.
5565 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5567 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5569 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5571 2001-07-31 matthew green <mrg@eterna.com.au>
5573 * config.gcc (i386-*-netbsdelf): New description.
5574 * config/i386/netbsd-elf.h: New file.
5576 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5578 * loop.c (check_dbra_loop): Use single_set to compute
5581 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5583 PowerPC reorg and support for powerpc64-*-linux*.
5585 Also fixes emitting of constants on 32 bit and 64 bit
5588 * config.gcc: powerpc64-*-linux* is a new target.
5589 Things that needed aix.h now also include xcoff.h
5591 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5593 Move AIX specific stuff into aix.h.
5594 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5595 with more than just XCOFF now.
5596 (SET_ASM_OP): Remove, now defined where needed.
5597 (FUNCTION_PROLOGUE): New macro definition.
5598 (FUNCTION_EPILOGUE): New macro definition.
5599 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5601 * config/rs6000/xcoff.h: New file.
5603 * config/rs6000/linux64.h: New file.
5605 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5607 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5609 * rs6000.c (print_operand_address): Handle ELF syntax.
5610 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5611 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5612 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5614 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5616 * rs6000.c (rs6000_override_options): Only disable
5617 flag_function_sections for XCOFF.
5618 (exact_log2_cint_operand): New predicate.
5619 (reg_or_{add,sub}_cint64_operand): New predicates.
5620 (add_operand): Compare CONST_INT with fewer function calls.
5621 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5622 (print_operand, case 'p'): Ensure positive operand.
5623 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5624 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5625 (PREDICATE_CODES): Add new predicates.
5626 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5627 (divsi3, modsi3): Ensure positive power-of-2.
5628 (adddi3): Use new predicate. Split 32-bit constants more
5629 correctly. Re-arrange splitter to handle any constant.
5630 (subdi3): Use new predicate.
5631 (divdi3, moddi3): Ensure positive power-of-2.
5632 (movdi): Use rs6000_emit_set_const.
5633 (load_toc_v4_pic_di): Delete.
5635 2001-07-31 Graham Stott <grahams@redhat.com>
5637 * function.c (pad_below): Revert 2001-07-26 patch.
5639 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5641 * reg-stack (convert_regs_1): Fix best edge condition.
5643 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5645 * jump.c (duplicate_loop_exit_test): Better test for jumps
5646 entering the loop; create loop pre_header.
5648 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5650 * doc/install.texi: Add s390 and s390x as new targets.
5651 * doc/invoke.texi: Add documantation of S/390 and zSeries
5653 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5655 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5657 * config/m68k/m68k.md: Replace all general_operand with
5658 nonimmediate_operand for all destinations.
5659 * config/m68k/m68k.c (not_sp_operand): Likewise.
5661 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5663 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5665 2001-07-30 Richard Henderson <rth@redhat.com>
5667 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5668 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5670 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5672 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5673 Add missing doc strings
5674 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5675 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5677 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5679 * i386.c (ix86_output_main_function_alignment_hack): New function.
5680 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5682 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5683 edges by EDGE_DFS_BACK flag.
5684 (dump_edge_info): Add dfs_back flag.
5685 * basic-block.h (EDGE_DFS_BACK): New constant.
5686 (mark_dfs_back_edges): Declare.
5687 * alias.c (loop_p): Remove.
5688 (mark_constant_function): Use mark_dfs_back_edges.
5690 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5691 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5692 (compensate_edge): Break out from ...
5693 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5694 (convert_regs_2): Set block_done once block is really done;
5695 Do updating of the predecesors counts.
5697 * toplev.c (rest_of_compilation): Recompute block_for_insn
5698 before post-reload cfg_cleanup.
5699 * function.c (thread_prologue_epilogue_insns):
5700 Call set_block_for_new_insns when emitting prologue directly.
5702 2001-07-30 Andreas Jaeger <aj@suse.de>
5704 * jump.c: Add prototype for mark_modified_reg.
5706 * cse.c (set_live_p): Add unused attribute.
5708 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5710 (scan_for_source_files): Use long for count to avoid overflow.
5711 (output_data): Likewise.
5712 (output_data): Don't use string concatatenation to silence gcc
5715 * predict.c: Fix typos and grammar.
5717 * gcse.c (insert_insn_end_bb): Remove unused variables.
5719 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5721 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5722 (attempt_auto_inc): LIkewise.
5723 (mark_used_reg): Likewise.
5724 (try_pre_increment_1): Likewise.
5725 * regclass.c (regclass): Likewise.
5726 * global.c (allocno_compare): Update comment; change scaling factor.
5727 * local-alloc.c (QTY_CMP_PRI): Likewise.
5728 * regs.h (REG_FREQ_FROM_BB): New.
5729 (REG_FREQ_MAX): Likewise.
5731 2001-07-30 H.J. Lu <hjl@gnu.org>
5733 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5736 2001-07-30 H.J. Lu (hjl@gnu.org)
5738 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5739 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5740 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5742 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5744 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5745 as -mthumb-interwork when -mcpu=arm7 is specified.
5747 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5749 * predict.def (noreturn, loop branch, loop exit): Mark as first
5752 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5754 * combine.c (try_combine): Avoid barrier after noop jumps.
5756 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5758 * cpphash.h (struct cpp_reader): Remove import_warning.
5759 * cpplib.c (skip_rest_of_line): Don't bother turning off
5761 (parse_include): Move include handling to...
5762 (do_include_common): ... here. Move import warning from...
5763 (do_import): ... here.
5764 (do_pragma_poison): Don't do a callback for poison identifiers.
5765 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5766 * cppmain.c (setup_callbacks): Similarly.
5768 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5770 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5771 handle multiple sets.
5772 * except.c (sjlj_mark_call_sites): .... here.
5773 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5775 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5777 Suggested by Richard Henderson and Richard Kenner:
5778 * combine.c (recog_for_combine): Use the fake recog
5779 only if instruction does not match.
5780 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5781 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5783 * combine.c (try_combine): Discover noop jump as direct jump.
5785 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5787 * df.c (df_rd_global_compute): Add successors to worklist, not
5789 (df_ru_global_compute): Ditto.
5791 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5793 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5794 increment REG_N_SETS.
5796 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5798 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5800 * sbitmap.c (sbitmap_a_xor_b): New function.
5801 ifdef the basic block stuff on IN_GCC.
5803 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5805 * cppexp.c (parse_defined): Always record the macro name.
5806 (lex): Don't worry about identifiers, or special-case
5808 (_cpp_parse_expr): Figure out at the end of the routine
5809 whether we saw a valid !defined() expression.
5810 * cppfiles.c (stack_include_file): Update for mi_valid.
5811 (_cpp_pop_file_buffer): Similarly.
5812 * cpplex.c (_cpp_lex_token): Similarly.
5813 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5814 mi_if_not_defined, mi_lexed): Remove.
5816 * cpplib.c (do_if): Simplify.
5817 (do_endif, push_conditional, _cpp_handle_directive): Update
5818 for renaming of mi_state to mi_valid.
5820 * cpp.texi: Add index entries for digraphs, and add comment
5821 that C++ refers to them as alternative tokens.
5823 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5825 * basic-block.h (CLEANUP_PRE_LOOP): New.
5826 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5827 * sibcall.c (optimize_sibling_calls): Likewise.
5828 * toplev.c (rest_of_compilation): Likewise.
5829 * flow.c (try_forward_edges): Take argument MODE;
5830 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5831 (try_optimize_cfg): Update call of try_forward_edges.
5833 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5834 Jan Hubicka <jh@suse.cz>
5836 * (validate_replace_rtx_1): Fix simplification of MINUS.
5838 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5840 PR preprocessor/3669
5841 * cppinit.c (init_dependency_output): Turn off dump requests
5842 if sending dependencies to stdout.
5844 2001-07-28 Richard Henderson <rth@redhat.com>
5846 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5849 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5851 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5853 2001-07-28 Kazu Hirata <kazu@hxi.com>
5855 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5856 is VAR_DECL first to prevent an ICE.
5858 2001-07-28 Richard Henderson <rth@redhat.com>
5860 * varasm.c (immed_real_const_1): Don't elide special cases for
5862 (clear_const_double_mem): Clear const_tiny_rtx too.
5864 2001-07-28 Richard Henderson <rth@redhat.com>
5866 * dwarf2out.c (dw_val_class_offset): New.
5867 (struct dw_ranges_struct, dw_ranges_ref): New.
5868 (ranges_table, ranges_table_allocated): New.
5869 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5870 (add_AT_offset, add_ranges, output_ranges): New.
5871 (print_die, output_die): Handle dw_val_class_offset.
5872 (attr_checksum, size_of_die, value_format): Likewise.
5873 (gen_lexical_block_die): Handle non-contiguous blocks.
5874 (gen_block_die): Likewise.
5875 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5876 if needed. Dump the ranges table.
5877 * final.c (final_start_function): Remove unnecessary notes and
5878 rebuild the block tree before numbering the blocks.
5879 * function.c (reorder_blocks_0): Walk the existing block tree
5880 to unmark all blocks.
5881 (reorder_blocks_1): Create block fragments when duplicate block
5883 (reorder_fix_fragments): New.
5884 (reorder_blocks): Call it.
5885 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5887 2001-07-28 Richard Henderson <rth@redhat.com>
5889 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5891 2001-07-28 Richard Henderson <rth@redhat.com>
5893 * flow.c (add_to_mem_set_list): New function.
5894 (init_propagate_block_info): Use it.
5895 (mark_set_1): Likewise.
5896 (insn_dead_p): Canonicalize memory address for dead store
5897 comparison. Allow wider mode stores to kill narrower mode stores.
5898 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5899 (invalidate_mems_from_set): Don't handle MEMs.
5901 2001-07-28 Kazu Hirata <kazu@hxi.com>
5903 * config/h8300/h8300.h: Fix formatting.
5905 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5907 * basic-block.h (EDGE_FREQUENCY): New macro.
5908 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5910 * flow.c (find_sub_basic_blocks): Likewise.
5911 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5912 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5914 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5915 (HITRATE): New macro.
5916 (PRED_FLAG_FIRST_MATCH): New constant.
5917 (predictor_info): New field flgags.
5918 (combine_predictions_for_insn): Use DS theory to combine
5919 probabilities; set the edge probabilities when finished.
5920 (estimate_probability): Avoid duplicated matches
5921 of LOOP_BRANCH heuristics for nested loops; update comment.
5922 * predict.def: Add flags for each prediction, set probabilities
5923 according to B&L paper.
5924 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5926 * profile.c (compute_branch_probabilities): Cleanup way the edge
5927 probabilities are computed and REG_BR_PROB notes are dropped; if
5928 values does not match, emit error.
5929 (init_branch_prob): Do error instead of warning when profile driven
5930 feedback is missing or corrupt.
5932 2001-07-27 DJ Delorie <dj@redhat.com>
5934 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5935 against a constant, try to adjust the compare to have the desired
5936 constant in it so that min/max optimizations happen more often.
5938 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5940 * flow.c (last_loop_beg_note): New function.
5941 (redirect_edge_and_branch): Use it.
5942 (split_edge): Likewise.
5944 * alias.c (loop_p): Avoid uninitialized memory access.
5946 * flow.c (try_forward_edges): Avoid accessing freed memory.
5948 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5951 2001-07-26 Andrew Haley <aph@redhat.com>
5952 Joern Rennecke <amylaar@redhat.com>
5954 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5955 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5956 (SUBTARGET_CPP_SPEC): New.
5958 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5959 (SUBTARGET_CPP_PTR_SPEC): New.
5960 (CPP_DEFAULT_CPU_SPEC): New.
5961 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5962 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5963 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5964 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5965 (SUBTARGET_CPP_SPEC): Define as an empty string.
5967 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5969 * doc/install.texi (Configuration): Properly link the host
5970 specific instructions also when generating HTML.
5972 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5974 * flow.c (redirect_edge_and_branch_force): Test
5975 target->global_live_at_start.
5977 2001-07-26 Richard Henderson <rth@redhat.com>
5979 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5980 * rtl.h (avoid_constant_pool_reference): Declare it.
5981 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5982 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5984 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5986 * rtl.h (cleanup_barriers): Declare.
5987 * jump.c (cleanup_barriers): New function.
5988 * toplev.c (rest_of_compilation): Call cleanup_barriers
5989 before loop optimizer and after bb_reorder.
5991 * flow.c (back_edge_of_syntactic_loop_p): New.
5992 (split_edge): Use it.
5994 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5996 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5998 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6000 * cse.c (cse_process_notes): Replace any registers if the address
6003 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6005 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6006 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6007 (propagate_block): Update prototype.
6008 * flow.c (update_life_info): Simplify the CFG and
6009 recalculate the global regs which are alive when
6010 removing dead code during a global update.
6011 (propagate_block): Return non-zero if an INSN is
6014 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6016 * Makefile.in (LIBICONV): Define.
6018 2001-07-26 Catherine Moore <clm@redhat.com>
6020 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6021 of conditional to avoid tree checking errors.
6023 2001-07-26 Kazu Hirata <kazu@hxi.com>
6025 * regmove.c (regmove_optimize): Don't replace a reg with
6026 another reg of a different mode.
6028 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6030 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6031 limit length of dependancy flush list.
6032 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6033 * sched-int.h (struct deps): Add pending_flush_length field.
6034 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6035 has 1 element in it.
6036 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6037 (sched_analyze): After a jump, if the pending memory flush list is too
6038 large, flush the pending lists.
6039 (init_deps): Initialize pending_flush_length to 0.
6040 * doc/invoke.texi (max_pending_list_length): Document parameter.
6042 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6044 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6045 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6046 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6048 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6050 * cpphash.h (struct_lexer_state): Delete was_skipping.
6051 Move skipping here from struct cpp_reader.
6052 * cpplex.c (parse_identifier): Update.
6053 (_cpp_lex_token): Don't skip tokens in a directive.
6054 * cpplib.c (struct if_stack): Update.
6055 (start_directive, end_directive): Don't change skipping state.
6056 (_cpp_handle_directive): Update.
6057 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6058 (do_else, do_endif): Update; only check for excess tokens if not
6059 in a skipped conditional block.
6060 (push_conditional): Update for new struct if_stack.
6062 2001-07-26 Graham Stott <grahams@redhat.com>
6064 * function.c (locate_and_pad_parm): Also pad initial offset
6065 so that the total argument size also includes the padding.
6067 2001-07-26 Graham Stott <grahams@redhat.com>
6069 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6070 change XSTR to XTMPL.
6072 (process_one_cond_exec): Likewise
6074 2001-07-25 Richard Henderson <rth@redhat.com>
6076 * varasm.c (assemble_variable): Create DECL_RTL before setting
6079 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6081 * predict.c (estimate_probability): Avoid duplicated predictions.
6083 * loop.c (find_and_verify_loops): Grok multiple barriers.
6085 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6087 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6089 * dbxout.c: Consistently use putc instead of fputc.
6090 (print_wide_int): New function; call instead of direct fprintf.
6091 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6092 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6093 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6094 (print_int_cst_octal): Likewise.
6095 (print_octal): Show we wrote characters.
6096 (dbxout_type): Set have_used_extensions in more places.
6098 2001-07-25 Catherine Moore <clm@redhat.com>
6100 * config/v850/v850.c (v850_va_arg): Use addr
6101 instead of valist to build incr.
6103 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6105 * flow.c (delete_dead_jumptables): New function.
6106 (life_analyzis): Call it.
6107 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6110 2001-07-25 Richard Henderson <rth@redhat.com>
6112 * except.c (reachable_handlers): Handle a region being removed
6113 out from under a RESX.
6115 2001-07-25 Richard Henderson <rth@redhat.com>
6117 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6118 swap GE/GT if it is an fp comparison.
6120 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6122 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6125 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6127 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6128 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6131 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6133 (visit_expression): When attempting to simplify an expression,
6134 retrieve any modes for arguments before they are simplified
6137 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6138 Janis Johnson <janis@us.ibm.com>
6140 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6141 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6142 pointer parameters to match documented usage of nonlocal_goto.
6143 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6144 parameters to their correct order.
6145 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6146 parameters to their correct order.
6148 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6150 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6152 2001-07-25 Jan Hubicka <jh@suse.cz>
6153 Richard Henderson <rth@redhat.com>
6155 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6157 (make_edges): New argument update_p; populate the edge cache if set.
6158 (find_basic_blocks): Update make_edges invocation.
6160 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6162 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6164 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6166 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6167 -Acpu and -Amachine.h.
6168 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6169 Corrected header to say ELF not a.out.
6170 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6171 when given -msoft-float.
6173 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6175 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6176 extra multilib parts like arm-elf.
6177 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6178 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6179 crtfini.o as extra multilib parts.
6181 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6183 * configure.in: Add rtems as a supported thread model.
6184 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6185 * configure: Rebuilt.
6187 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6189 * stor-layout.c (get_mode_alignment): make it work when
6190 BITS_PER_UNIT is not a power of two.
6191 * builtins.c (get_pointer_alignment): Likewise.
6193 2001-07-24 Richard Henderson <rth@redhat.com>
6195 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6196 the retrieved constant into the expected mode.
6198 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6200 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6201 (verify_flow_info): Check for duplicated edges; clarify
6204 * flow.c (block_label): Update basic_block_for_insn.
6205 (commit_edge_insertions): Call compute_bb_for_insn.
6207 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6210 * flow.c (redirect_edge_and_branch,
6211 try_optimize_cfg): Use redirect_edge_succ_nodup
6212 (redirect_edge_succ_nodup): New.
6213 * basic_block.h (redirect_edge_succ_nodup): Declare.
6215 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6218 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6220 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6221 (try_crossjump_to_edge): Update commetns.
6222 (try_crossjump_bb): Likewise.
6224 2001-07-24 Richard Henderson <rth@redhat.com>
6226 * combine.c (distribute_notes): Move set of need_refresh
6227 for noop_move_p down to catch all cases.
6229 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6231 * recog.c (split_all_insns_noflow): New.
6232 * rtl.h (split_all_insns_noflow): Declare.
6233 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6234 * m68hc11.c (m68hc11_reorg): Likewise.
6235 * sh.c (machine_dependent_reorg): Likewise.
6236 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6239 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6241 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6242 (ashlsi3_n splitter): Likewise.
6243 (lshrsi3_n splitter): Likewise.
6245 (GOTaddr2picreg): Make const SImode.
6246 (sym_label2reg): Likewise.
6247 (symGOT2reg): Likewise.
6248 (symGOTOFF2reg) Likewise.
6250 (casesi_worker_0): Make unspec SImode.
6252 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6254 * config/sh/sh.c (barrier_align): Check that an operand really is
6255 an insn before extracting its INSN_CODE.
6257 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6259 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6262 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6263 for SImode to prevent overflow.
6265 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6267 * config/mips/irix6-libc-compat.c: New file.
6268 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6269 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6272 2001-07-24 lars brinkhoff <lars@nocrew.org>
6274 * rtl.texi (REG_POINTER): Document.
6275 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6276 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6278 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6280 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6282 2001-07-23 Richard Henderson <rth@redhat.com>
6284 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6286 2001-07-23 Kazu Hirata <kazu@hxi.com>
6288 * config/h8300/h8300-protos.h: Add a prototype for
6289 general_operand_dst_push.
6290 * config/h8300/h8300.c (general_operand_dst_push): New.
6291 * config/h8300/h8300.h (OK_FOR_T): New.
6292 (EXTRA_CONSTRAINT): Use it.
6293 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6294 the existing movqi pattern.
6295 (movhi_push): Likewise.
6297 * reload.c: Fix comment typos.
6299 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6301 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6303 2001-07-23 H.J. Lu (hjl@gnu.org)
6305 * doc/extend.texi: Update __builtin_return_address and
6306 __builtin_frame_address.
6308 2001-07-23 Richard Henderson <rth@redhat.com>
6310 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6312 * config/i386/i386.md: New setcc+movzbl peephole2.
6314 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6316 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6317 * objc/objc-act.c: Include debug.h.
6318 (synth_module_prologue): Save and restore debug hooks too.
6320 2001-07-23 lars brinkhoff <lars@nocrew.org>
6322 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6323 and C4X_FLOAT_FORMAT.
6324 (BOOL_TYPE_SIZE): Document.
6326 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6328 * unroll.c (loop_iterations): Fix miscalculation of initial
6331 2001-07-13 Andrew Haley <aph@redhat.com>
6333 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6334 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6335 * config/sh/sh.c (sh_can_redirect_branch): New function.
6336 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6337 * reorg.c (steal_delay_list_from_target): Use
6338 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6340 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6342 * flow.c (try_simplify_condjump): Unlink insn chain on
6343 fallthru edge; use can_fallthru.
6345 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6347 * basic-block.h (find_sub_basic_block): Declare.
6348 * flow.c (make_edges): New arguments MIN and MAX;
6349 (find_sub_basic_blocks): Revamp to use make_edges
6350 and purge_dead_edges.
6351 (find_basic_blocks): Update call of find_sub_basic_block.
6353 * recog.c (split_all_insns): Always expect CFG to be consistent;
6354 call find_sub_basic_blocks in case something has changed.
6355 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6358 * basic-block.h (delete_noop_moves): Declare.
6359 * combine.c (combine_instructions): Call it.
6360 (recog_for_combine): Tolerate noop moves
6361 (distribute_notes): Force refresh when register dies at noop move.
6362 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6364 (life_analysis): Update delete_noop_moves call.
6365 (set_noop_p): Move too ...
6366 * rtlanal.c (noop_move_p): ... here.
6367 * rtl.h (noop_move_p): Declare.
6369 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6370 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6372 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6373 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6375 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6377 * reload.c (push_reload): Fix typo in comment.
6378 (find_reloads_address): Ditto.
6379 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6381 2001-07-22 Richard Henderson <rth@redhat.com>
6383 * flow.c: Grammar check and clarify a lot of comments.
6384 (try_simplify_condjump): Rename variables to be clearer.
6385 (try_forward_edges): Skip complex and fallthru edges.
6386 Rearrange tests to avoid duplicate checks.
6387 (flow_find_cross_jump): Likewise.
6388 (outgoing_edges_match): Allow match if neither branch has
6389 probability data. Loosen probability match to 5%.
6390 (try_crossjump_to_edge): Hoist repeated indirection into
6392 (try_crossjump_bb): Don't check complex edges. Eliminate
6393 redundant crossjump tests.
6394 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6395 checks before more expensive checks.
6397 2001-07-22 Richard Henderson <rth@redhat.com>
6399 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6400 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6403 2001-07-22 Richard Henderson <rth@redhat.com>
6405 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6406 (const_sint32_operand): Likewise.
6407 * m68k.md (anon mulsi pattern): Use const_int_operand not
6408 const_sint32_operand.
6409 (umulsi3_highpart): Zero extend a constant input.
6410 (smulsi3_highpart): Don't bother checking SImode constant.
6411 (const_umulsi3_highpart): Give op3 DImode.
6412 (const_smulsi3_highpart): Likewise.
6414 2001-07-22 Richard Henderson <rth@redhat.com>
6416 * flow.c (split_block): Make sure bb_note is included in the
6417 new block when splitting before a label.
6419 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6421 * basic-block.h (redirect_edge_and_branch_force,
6422 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6423 * flow.c (redirect_edge_and_branch_force,
6424 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6425 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6426 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6427 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6428 instead of label; update CFG after transformation.
6429 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6430 for finishing the transformation; handle even case where ELSE
6431 does not follow THEN.
6432 (find_if_case_2): Update call of dead_or_predictable; simplify
6435 * emit-rtl.c (split_branch_probability): New global variable.
6436 (try_split): Take care to set split_branch_probability and
6437 create REG_BR_PROB note for new jump insns.
6438 * md.texi (define_split): Document new feature.
6440 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6442 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6444 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6445 (asm_out_file): Remove redundant declaration.
6446 (assemble_asm): Remove old #if 0 block.
6447 (assemble_variable): Remove end of function; debug output is
6448 now handled with global_decl. Remove old #if 0 block. Update.
6449 Remove saved_in_section and associated no-op code.
6450 * Makefile.in (varasm.o): Correct dependencies.
6452 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6454 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6455 the definition in defaults.h.
6457 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6459 * jump.c: Update comments.
6460 (delete_barrier_successors, delete_unreferenced_labels,
6461 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6462 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6463 jump_optimize, jump_optimize_minimal): Kill.
6464 (rebuild_jump_labels): Move code from jump_optimize_1.
6465 (purge_line_number_notes): Likewise.
6466 (copy_loop_headers): Likewise.
6467 * reg-stack.c: Update comment.
6469 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6470 JUMP_AFTER_REGSCAN): Kill.
6471 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6472 purge_line_number_notes and copy_loop_headers.
6474 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6475 Richard Henderson <rth@redhat.com>
6477 * dbxout.c (dbxout_global_decl): New.
6478 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6479 * sdbout.c (sdbout_finish): New.
6480 (sdbout_debug_hooks): Use it, add comments.
6481 (sdbout_global_decl): Defer initialised public vars to
6483 * varasm.c (assemble_variable): Don't output debug information
6484 for file-scope variables.
6486 2001-07-22 Richard Henderson <rth@redhat.com>
6488 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6489 (get_round_mode_suffix): New.
6490 (print_operand): Use them for [/]. Remove support for [&'`()+].
6491 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6492 * config/alpha/alpha.md (attr round_suffix): New.
6493 (attr trap_suffix): New.
6494 (all insns): Set them appropriately. Use %/ instead of the
6497 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6499 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6501 2001-07-22 Richard Henderson <rth@redhat.com>
6503 * regrename.c (regrename_optimize): Compute nregs for each
6504 potential target register.
6506 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6507 Richard Henderson <rth@redhat.com>
6509 * dbxout.c (dbxout_global_decl): New.
6510 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6511 * sdbout.c (sdbout_finish): New.
6512 (sdbout_debug_hooks): Use it, add comments.
6513 (sdbout_global_decl): Defer initialised public vars to
6515 * varasm.c (assemble_variable): Don't output debug information
6516 for file-scope variables.
6518 2001-07-21 H.J. Lu (hjl@gnu.org)
6520 * config/mips/mips.c (mips_cpu): Moved into ...
6521 (override_options): Here.
6523 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6525 (mips_cpu): Removed.
6527 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6529 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6530 ("iorqi3"): Likewise.
6531 ("xorqi3"): Likewise.
6532 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6533 ("*subhi3_sp): Likewise.
6534 ("*subhi3"): Likewise.
6535 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6538 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6540 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6541 * config/freebsd.h: Likewise.
6542 * config/linux.h: Likewise.
6543 * config/openbsd.h: Likewise.
6544 * config/alpha/linux-elf.h: Likewise.
6545 * config/arm/linux-elf.h: Likewise.
6546 * config/d30v/d30v.h: Likewise.
6547 * config/fr30/fr30.h: Likewise.
6548 * config/ia64/aix.h: Likewise.
6549 * config/ia64/ia64.h: Likewise.
6550 * config/mips/linux.h: Likewise.
6551 * config/pj/pj.h: Likewise.
6552 * config/rs6000/linux.h: Likewise.
6553 * config/sparc/linux.h: Likewise.
6554 * config/sparc/linux64.h: Likewise.
6556 2001-07-20 Bruce Korb <bkorb@gnu.org>
6558 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6559 because getc() and char* may disagree on signedness.
6561 2001-07-20 Richard Henderson <rth@redhat.com>
6563 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6565 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6566 insns to delete in the presence of cc0 in a jump insn.
6568 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6569 Jan Hubicka <jh@suse.cz>
6571 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6572 of doing the change by hand.
6574 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6576 * rtlanal.c (set_noop_p): Return true for noop jumps.
6578 * expr.c (emit_single_push_insn): Add call to push expander.
6579 * expr.h (optab_index): Add OTI_push
6580 (push_optab): New constant.
6581 * genopinit.c (optabs): Add push_optab.
6582 * optabs.c (init_optab): Init push optab.
6583 * md.texi (push??1): Document
6585 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6587 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6588 expand to emit the pattern; put a REG_INC note for push/pop
6590 ("movdf", "movdf_internal"): Likewise.
6591 ("movsi", "movsi_internal"): Likewise.
6592 ("movsf", "movsf_internal"): Likewise.
6593 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6595 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6597 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6600 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6602 * params.def: Change default max inline insns to 100.
6604 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6606 * combine.c (combine_simplify_rtx): Generate a new shift operation
6607 when simplifying the first operand of a (neg (ashift)) expression.
6609 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6611 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6613 2001-07-20 Kelley Cook <kelley.cook@home.com>
6615 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6616 information. Move rest into ...
6617 (*-*-solaris): ... here. Eliminate redundant information and
6618 reword necessary packages section. Delete 4.x assembler bug info.
6619 (sparc-sun-*): Merge into ...
6620 (sparc-sun-sunos*): here.
6622 2001-07-20 Catherine Moore <clm@redhat.com>
6624 * config/v850/v850.md (casesi): Generate LABEL_REF
6627 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6629 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6630 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6631 * i386.md (strclrsi expander): Use it.
6633 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6635 * integrate.c (copy_insn_list): handle
6636 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6637 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6638 identically as to CODE_LABEL.
6640 * fold-const (fold): Convert A/B/C to A/(B*C) and
6643 * except.c (connect_post_landing_pads): Delete the RESX insns.
6645 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6647 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6649 * config/mips/mips.md (nmadd/nmsub): Use macro.
6651 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6653 * cppinit.c (remove_dup_dir): Make static.
6654 (remove_dup_dirs): Make static. Only warn about preempting a
6655 system directory with a non-system directory.
6657 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6659 * ifcvt.c (noce_try_store_flag_constants): Correct order
6660 of parameters to trunc_int_for_mode.
6662 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6664 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6665 an exception that will be caught within this function, do not fill
6666 its delay slot with any subsequent instruction.
6668 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6670 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6671 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6672 pointer extension instruction.
6673 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6674 * simplify-rtx.c (simplify_unary_operation) Likewise.
6675 * explow.c (convert_memory_address) Check value of
6676 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6678 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6679 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6680 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6681 Add Multilib Support.
6682 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6683 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6684 Add Multilib Support.
6685 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6687 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6688 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6689 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6691 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6693 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6694 old and new operands in `<', `3' and `b'.
6696 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6698 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6699 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6700 (toplev.o): Don't depend on xcoffout.h.
6701 * c-decl.c: Include debug.h
6702 (duplicate_decls): Use debug hook.
6703 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6704 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6705 (dbxout_types): Remove.
6706 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6707 * debug.c (do_nothing_debug_hooks): Update.
6708 (debug_true_tree, debug_nothing_rtx): New.
6709 * debug.h (struct rtx_def): New.
6710 (struct gcc_debug_hooks): New hooks ignore_block,
6711 outlining_inline_function and label.
6712 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6713 dwarf2out_frame_finish): New.
6714 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6715 Make static, update prototype.
6716 (dwarf2_debug_hooks): Update.
6717 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6718 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6719 * dwarfout.c (dwarf_debug_hooks): Update.
6720 * emit-rtl.c: Include debug.h.
6721 (remove_unnecessary_notes): Use debug hook.
6722 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6723 (final_scan_insn): Use debug hook.
6724 * integrate.c (output_inline_function): Use debug hook.
6725 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6726 (sdb_debug_hooks): Update.
6727 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6728 * toplev.c: Don't include xcoffout.h.
6729 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6730 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6732 * tree.h (dwarf2out_do_frame): Remove.
6734 2001-07-19 Catherine Moore <clm@cygnus.com>
6736 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6738 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6740 * reload1.c (eliminate_regs_in_insn): When updating a set
6741 to the frame pointer to the hardware frame pointer, perform
6742 the update always not just when REPLACE is set.
6744 * reload1.c (choose_reload_regs): Don't inherit a reload
6745 that crosses multiple registers if registers past the first
6746 don't fit in the desired class.
6748 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6749 when negating constants.
6751 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6753 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6754 * doc/tree.texi: Ditto.
6756 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6757 Jakub Jelinek <jakub@redhat.com>
6759 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6760 (extract_cie_info): Handle "eh" augmentation properly,
6762 (struct frame_state, __frame_state_for): New.
6764 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6766 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6767 HANDLE_SYSV_PRAGMA): Define.
6768 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6770 (copy_object): Caller changed.
6772 2001-07-19 Andreas Schwab <schwab@suse.de>
6774 * configure.in (assembler dwarf2 debug_line support): Define nop
6776 * configure: Regenerated.
6778 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6780 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6782 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6783 to conditionally compiled block.
6784 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6785 * dbxout.h (dbxout_function): Remove.
6786 * debug.c (do_nothing_debug_hooks): Update.
6787 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6788 global_decl, deferred_inline_function.
6789 * dwarf2out.c (dwarf2_debug_hooks): Update.
6790 (dwarf2out_global_decl): New.
6791 * dwarfout.c: Don't include dwarfout.h.
6792 (dwarfout_global_decl, dwarfout_function_decl,
6793 dwarfout_deferred_inline_function): New.
6794 (dwarf_debug_hooks): Update.
6795 * dwarfout.h: Remove.
6796 * final.c: Don't include dwarfout.h.
6797 * sdbout.c (sdbout_global_decl): New.
6798 (sdbout_debug_hooks): Update.
6799 * toplev.c: Don't include dwarfout.h.
6800 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6801 (note_deferral_of_defined_inline_function): Remove.
6802 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6803 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6804 * ch/lex.c: Don't include dwarfout.h.
6805 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6806 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6807 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6808 * cp/optimize.c: Include debug.h.
6809 (maybe_clone_body): Use debug hook.
6810 * cp/semantics.c: Include debug.h.
6811 (expand_body): Use debug hook.
6812 * po/POTFILES.in: Remove dwarfout.h.
6814 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6816 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6817 * c-parse.in (yyerror, _yylex): Similarly.
6818 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6819 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6821 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6822 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6824 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6826 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6827 in-class declaration at -g1. Fixes c++/2814.
6829 2001-07-18 Richard Henderson <rth@redhat.com>
6831 * doc/md.texi (reload_in/out): Document restrictions in predicates
6832 and constraints for these patterns. Document empty string matching
6835 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6837 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6839 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6841 * cse.c: Undo my previous patch.
6843 2001-07-18 Tom Tromey <tromey@redhat.com>
6846 * configure: Rebuilt.
6847 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6849 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6851 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6852 Jan Hubicka <jh@suse.cz>
6854 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6855 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6856 * jump.c (mark_jump_label): Do not forward branches.
6858 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6860 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6861 when return value is unused.
6863 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6865 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6867 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6869 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6870 on error. We can't blindly return the result of
6871 pthread_mutex_trylock because it returns a positive number on
6872 error, while we must return -1 on error.
6873 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6875 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6877 2001-07-18 Andreas Jaeger <aj@suse.de>
6879 * integrate.c (output_inline_function): Correct type of debug_hooks.
6881 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6883 * combine.c (combine_simplify_rtx): DIV can be treated
6884 associatively for floats if unsafe math optimisations are enabled.
6886 2001-07-17 Richard Henderson <rth@redhat.com>
6888 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6890 2001-07-17 Richard Henderson <rth@redhat.com>
6892 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6893 don't force the function address into a register.
6894 (expand_call, emit_library_call_value_1): Update callers.
6895 * builtins.c (expand_builtin_apply): Likewise.
6896 * expr.h (prepare_call_address): Update decl.
6898 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6900 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6902 * config/i386/chorus.h: Move up.
6903 * config/sparc/chorus.h: Likewise.
6904 * config/rs6000/chorus.h: Likewise.
6905 * config/chorus.h: Moved here.
6907 2001-07-17 Andreas Schwab <schwab@suse.de>
6909 * configure.in (assembler eh_frame optimization): Handle big
6911 * configure: Regenerated.
6913 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6915 * expr.c (epxand_expr): Convert divisions into multiplications by
6916 reciprocals if -ffast-math.
6918 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6920 * dbxout.c (dbxout_really_begin_function): Rename to
6921 dbxout_begin_function.
6922 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6923 (dbxout_begin_function): Remove.
6924 (dbxout_function): Update.
6925 (dbxout_source_line): Update prototype.
6926 * dbxout.h (dbxout_begin_function): Remove.
6927 * debug.c (do_nothing_debug_hooks): Update.
6928 (debug_nothing_tree): Update.
6929 (debug_nothing_charstar_rtx): Remove.
6930 * debug.h (union tree_node): Declare.
6931 (struct rtx_def): Remove.
6932 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6933 begin_function. Change source_line prototype.
6934 (debug_nothing_tree): New.
6935 (debug_nothing_charstar_rtx): Delete.
6936 (dwarf2out_begin_prologue): Moved from ...
6938 * dwarf2out.c (dwarf2_debug_hooks): Update.
6939 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6940 debug info, call dwarf2out_source_line.
6941 (dwarf2out_souce_line): Update prototype.
6942 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6943 Change prototype, make static.
6944 (dwarfout_source_line): Update prototype.
6945 (dwarf_debug_hooks): Update.
6946 * dwarfout.h (dwarfout_begin_function): Remove.
6947 * final.c (final_start_function, final_scan_insn): Use appropriate
6948 debug hooks, update to use notice_source_line.
6949 (output_source_line): Rename notice_source_line. Don't call the
6950 source_line debug hook.
6951 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6952 make static, update prototype.
6953 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6955 (sdbout_end_prologue): New.
6956 (sdbout_source_line): Update prototype.
6957 (sdbout_debug_hooks): Update.
6958 (sdbout_symbol): Remove unused var.
6959 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6961 * varasm.c: Include debug.h.
6962 (assemble_start_function): Use begin_function debug_hook.
6963 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6964 update with prototype.
6965 (xcoffout_source_line): Update prototype.
6966 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6968 (xcoffout_source_line): Update prototype.
6970 2001-07-17 Richard Henderson <rth@redhat.com>
6972 * c-typeck.c (build_binary_op): Do not shorten unsigned
6973 right shift after sign extension.
6975 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6977 * combine.c (combine_simplify_rtx): Attempt to simplify
6978 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6980 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6981 (simplify_binary_operation, simplify_unary_operation,
6982 simplify_relational_operation): Use it.
6984 * combine.c (combine_simplify_rtx): Don't do associative law
6985 on divisions; allow associative law on floats.
6987 2001-07-17 H.J. Lu <hjl@gnu.org>
6988 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6990 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6991 ASM_OUTPUT_WEAK_ALIAS are defined.
6992 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6993 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6995 * config/mips/iris5.h: ... here.
6996 (HANDLE_SYSV_PRAGMA): Defined as 1.
6997 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6998 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7001 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7003 * c-parse.in (all_prefix_attributes): New variable.
7004 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7005 (maybe_resetattrs): New production.
7006 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7007 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7008 notype_initdcl, nested_function, notype_nested_function,
7009 component_decl, components, components_notype,
7010 component_declarator, component_notype_declarator,
7011 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7012 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7013 after a comma being applied to more than one declarator.
7014 * doc/extend.texi (Attribute Syntax): Update. Remove
7015 documentation of bugs that are no longer present.
7017 2001-07-13 Eric Christopher <echristo@redhat.com>
7019 * config/mips/mips.h: Change TUNE_MIPS* options to use
7021 (EXTRA_SPECS): Add cc1_cpu_spec.
7022 * config/mips/mips.md (muldf3): Fix typo.
7024 2001-07-16 Richard Henderson <rth@redhat.com>
7026 * config/m68k/m68k.c: Include expr.h and reload.h.
7027 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7028 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7030 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7031 Richard Henderson <rth@redhat.com>
7033 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7034 (insn_live_p): Fix fall off end of function.
7035 (dead_libcall_p): Remove COUNTS argument; update callers.
7036 (delete_trivially_dead_insns): Remove unused variables.
7038 2001-07-17 Andreas Jaeger <aj@suse.de>
7040 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7043 * lcm.c (optimize_mode_switching): Avoid warning for unused
7044 variable if !NORMAL_MODE.
7046 * flow.c (try_crossjump_to_edge): Remove unused variable.
7048 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7050 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7051 atexit declaration in stdlib.h.
7053 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7055 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7057 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7059 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7060 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7061 do rebuild_jump_labels instead of jump_optimize
7062 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7063 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7064 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7066 * flow.c: Include timevar.h
7067 (find_basic_block): Push/pop timevar;
7068 (cleanup_cfg): Likewise.
7069 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7070 * Makefile: Add dependencies on timevar.h
7072 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7073 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7075 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7076 * toplev.c (rest_of_compilation): Update calls.
7077 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7078 (delete_trivially_dead_insns): ... here; accept new argument
7079 preserve_basic_blocks; preserve basic blocks if set.
7081 * reg-stack.c (stack_regs_mentioned): Return 0 if
7082 stack_regs_mentioned_data is not initialized.
7083 (reg_to_stack): Make stack_regs_mentioned survive after the
7084 reg-stack is completted; do not call cleanup_cfg.
7085 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7086 make cleanup_cfg after bb-reorder to output to debug file.
7088 2001-07-16 Richard Henderson <rth@redhat.com>
7090 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7091 from int_reg_class_contents.
7093 2001-07-16 Richard Henderson <rth@redhat.com>
7095 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7096 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7097 (init_reg_sets_1): Move initialization from cse_main.
7098 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7099 (cse_main): Move its initialization also.
7100 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7101 * flow.c (propagate_one_insn): Likewise.
7102 * gcse.c (compute_hash_table): Likewise.
7103 (compute_kill_rd, compute_store_table): Likewise.
7104 * sched-deps.c (sched_analyze_1): Likewise.
7106 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7108 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7111 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7113 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7114 in if statement so we don't access undefined memory.
7116 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7118 * gcse.c: Update comment at top.
7119 Update comment on mem handling.
7120 mem_last_set, mem_first_set, mem_set_in_block: gone.
7121 Declaration of reg_set_info: gone.
7122 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7123 pointless with load_killed_in_block_p (they are *more*
7124 conservative then it, not less, and less accurate).
7125 (oprs_not_set_p): Ditto.
7126 (alloc_gcse_mem): Don't allocate mem_set_in_block
7127 (free_gcse_mem): Don't free it, either.
7128 (record_last_mem_set_info): Update comment in front, remove
7129 mem_*set_* stuff. Note the reason we don't handle stores directly
7131 (compute_hash_table): Update comments to reflect reality. Remove
7132 mem_*set_* references.
7133 (reset_opr_set_tables): Remove mem_*set_* references.
7135 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7136 (mark_clobber): Ditto (on both parts, we double set here too).
7137 (expr_killed_p): Remove mem_set_in_block test.
7138 (compute_transp): Remove mem_set_in_block test.
7140 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7141 of edge, and removal of phi alternative to dump file.
7142 (ssa_ccp_substitute_constants): Add note about register now being
7143 constant, and which uses were replaced in what insns to dump file.
7145 2001-07-16 Andreas Jaeger <aj@suse.de>
7147 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7148 variables of type HOST_WIDEST_INT.
7150 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7151 (__bb_exit_func): Correct type of count_max to avoid overflow.
7152 (num_digits): Handle long long argument.
7154 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7156 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7158 * output.h (sdb_begin_function_line): Restore as an extern
7160 * sdbout.c (sdb_begin_function_line): Make extern.
7162 2001-07-15 Richard Henderson <rth@redhat.com>
7164 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7165 * genrecog.c (maybe_both_true_mode): New.
7166 (maybe_both_true_2): Use it.
7167 (write_switch): Don't put Pmode in a switch.
7168 * rtl.c (mode arrays): Don't explicitly size them.
7170 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7172 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7173 handling; move unconditional splitting before mode switching.
7175 * i386.md (type): Add fistp type.
7176 (i387, length_attr, scheduling definitions): Handle this type.
7177 (fix_trunc?f?i2): Revamp to use mode switching.
7178 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7179 * i386.h (fp_cw_mode): New enum
7180 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7181 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7183 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7185 * Makefile.in (integrate.o): Add debug.h.
7186 * integrate.c (debug.h): Add.
7187 (output_inline_function): Save, reset, and restore debug_hooks.
7189 2001-07-15 Richard Henderson <rth@redhat.com>
7191 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7192 instead of COMPARE for the EQUIV expression.
7194 2001-07-15 Richard Henderson <rth@redhat.com>
7196 * flow.c (redirect_edge_and_branch_force): Initialize
7197 global_live_at_start and global_live_at_end.
7198 (allocate_bb_life_data): Export.
7199 * basic-block.h (allocate_bb_life_data): Declare.
7200 * toplev.c (rest_of_compilation): Call it.
7202 2001-07-15 Richard Henderson <rth@redhat.com>
7204 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7205 (alpha_tablejump_best_label): New.
7206 * config/alpha/alpha-protos.h: Declare them.
7207 * config/alpha/alpha.md: Use braced strings for code blocks.
7208 (tablejump_osf): Break out add with r29.
7209 (tablejump_osf_internal): Remove.
7210 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7211 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7213 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7215 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7218 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7220 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7221 (ix86_fp_jump_nontrivial_p): New.
7222 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7223 use ix86_fp_jump_nontrivial_p.
7224 * i386.c (ix86_fp_jump_nontrivial_p): New.
7225 (ix86_split_fp_branch): Accept code instead of rtx.
7226 (ix86_expand_compare): Expand comparison early in case
7227 doing so is resonably cheap.
7229 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7231 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7233 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7234 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7236 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7238 * dbxout.c (dbxout_source_line): Make static, update prototype.
7239 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7240 (dbxout_init, dbxout_finish, dbxout_source_line,
7241 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7242 * dbxout.h (dbxout_source_line): Delete.
7243 * debug.c (debug_nothing_file, debug_nothing_file_int,
7244 debug_nothing_file_charstar_rtx): New.
7245 (do_nothing_debug_hooks): Update.
7246 (debug_nothing_void, debug_nothing_charstar_rtx,
7247 dwarf2out_end_epilogue): New.
7248 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7249 * debug.h (struct rtx_def): Declare.
7250 (gcc_debug_hooks): New hooks source_line, end_epilogue
7252 (debug_nothing_void, debug_nothing_charstar_rtx,
7253 dwarf2out_end_epilogue): New.
7254 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7255 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7256 (dwarf2_debug_hooks): Update.
7257 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7258 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7259 * dwarf2out.h (dwarf2out_source_line): Remove.
7260 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7261 Make static, update prototype.
7262 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7263 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7264 (dwarf_debug_hooks): Update.
7265 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7266 dwarfout_end_function): Remove.
7267 * final.c (profile_function): Use debug hooks for ending functions
7269 (output_source_line, final_end_function): Update prototype,
7271 (final_start_function, final_scan_insn): Update.
7272 * output.h (sdb_begin_function_line): Remove.
7273 (final_end_function): Update prototype.
7274 * sdbout.c (sdb_begin_function_line): Make static.
7275 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7276 (sdbout_source_line): New.
7277 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7279 (sdb_debug_hooks): Update.
7280 (sdbout_init, sdbout_source_line,
7281 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7282 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7283 * toplev.c (compile_file, rest_of_compilation): Update.
7284 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7285 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7286 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7287 Update for prototype changes.
7288 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7289 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7291 2001-07-15 Richard Henderson <rth@redhat.com>
7293 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7294 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7295 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7296 * config/alpha/alpha.c: Likewise.
7297 * config/alpha/alpha.md: Likewise.
7298 * config/alpha/alpha32.h: Likewise.
7299 * config/alpha/vms.h: Likewise.
7302 2001-07-14 Richard Henderson <rth@redhat.com>
7304 * config/alpha/alpha.md: Use define_constants for unspec values.
7305 Substitute throughout.
7307 2001-07-14 Tim Josling <tej@melbpc.org.au>
7309 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7311 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7313 * pa.md: Remove unused constraints from define_split's.
7315 2001-04-14 Richard Henderson <rth@redhat.com>
7317 * ifcvt.c (find_cond_trap): Test for exit block.
7319 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7321 Re-install recently reverted patch.
7322 * emit-rtl.c (try_split): Update mark_jump_label call.
7323 * flow.c (find_sub_basic_blocks): Likewise.
7324 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7326 (mark_all_labels): Kill second parameter.
7327 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7328 (rebuild_jump_labels, jump_optimize_minimal): Update call
7330 (jump_optimize_1): Kill crossjumping code.
7331 (mark_jump_label): Kill cross_jump parameter.
7332 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7333 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7334 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7336 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7338 (dump_file_info): Likewise.
7339 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7340 reorganize passes to do reg-stack first, bb-reorder second.
7341 * invoke.texi (-d letters doc): Remove the jump2 pass.
7343 2001-07-14 Richard Henderson <rth@redhat.com>
7345 * ifcvt.c (find_cond_trap): New.
7346 (find_if_header): Call it.
7347 (merge_if_block): Relax existing jump sanity check.
7348 * jump.c (jump_optimize_1): Remove conditional trap handling.
7350 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7352 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7354 (insn_refs_are_delayed): Correct comment.
7355 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7356 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7357 instead of r31. Make associated insn !TARGET_64BIT, and
7358 provide an additional 64-bit insn that clobbers r2.
7360 (udivsi3): Likewise.
7362 (umodsi3): Likewise.
7364 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7366 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7368 * flow.c (redirect_edge_and_branch_force, split_edge,
7369 try_crossjump_to_edge): Use set_block_for_new_insns.
7370 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7372 2001-07-13 H.J. Lu (hjl@gnu.org)
7374 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7377 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7379 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7381 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7383 * c-common.c (decl_attributes): Take a pointer to the node to
7384 which attributes are to be attached, and a flags argument.
7385 * c-common.h (enum attribute_flags): New.
7386 (decl_attributes): Update prototype.
7387 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7388 finish_enum, start_function): Update calls to decl_attributes.
7389 * c-parse.in (component_declarator, component_notype_declarator,
7390 label): Update calls to decl_attributes.
7392 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7394 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7395 * config/avr/avr.c (legitimate_address_p): Return value changed
7396 from letter to register classes. For better debugging.
7398 2001-07-13 Kazu Hirata <kazu@hxi.com>
7400 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7402 2001-07-13 H.J. Lu (hjl@gnu.org)
7404 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7406 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7408 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7409 correctly for shared configurations.
7410 * config/t-libgcc-pic: New.
7411 * config/{i386,m68k,sparc}/t-openbsd: New.
7412 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7413 Support -shared. Support debugging libraries with -g.
7414 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7415 frame information does not emit pointer diffs.
7416 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7419 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7421 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7423 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7425 * combine.c (try_combine): Ensure const_int pow2 is positive.
7427 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7429 * config.gcc: Add configuration for s/390.
7430 * config/s390/s390.c: New. Subroutines for code generation.
7431 * config/s390/s390.h: New. Definitions for s/390.
7432 * config/s390/s390-protos.h: New. Prototypes.
7433 * config/s390/linux.h: New. Definitions for linux for s/390.
7434 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7435 * config/s390/t-linux: New. Makefile fragment.
7436 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7437 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7439 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7441 * emit-rtl.c (try_split): Update mark_jump_label call.
7442 * flow.c (find_sub_basic_blocks): Likewise.
7443 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7445 (mark_all_labels): Kill second parameter.
7446 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7447 (rebuild_jump_labels, jump_optimize_minimal): Update call
7449 (jump_optimize_1): Kill crossjumping code.
7450 (mark_jump_label): Kill cross_jump parameter.
7451 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7452 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7453 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7455 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7457 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7458 reorganize passes to do reg-stack first, bb-reorder second.
7459 * invoke.texi (-d letters doc): Remove the jump2 pass.
7461 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7463 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7465 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7467 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7469 (verify_flow_info): Make diagnostics prettier.
7471 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7473 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7475 * flow.c (outgoing_edges_match): Return early if condition reversal
7478 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7480 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7481 (mips_move_2words): When splitting a move into two instructions,
7482 prefix the second address operand with '%D'.
7484 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7486 * Makefile.in (final.o): Depend on debug.h.
7487 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7488 (dbx_debug_hooks): Add new hooks.
7489 (xcoff_debug_hooks): New.
7490 * debug.c (debug_nothing_file_int_int): New.
7491 (do_nothing_debug_hooks): Update.
7492 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7493 (debug_nothing_file_int_int): New.
7494 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7495 static, update prototype.
7496 (dwarf2_debug_hooks): Update.
7497 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7498 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7499 static, update prototype.
7500 (dwarf_debug_hooks): Update.
7501 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7502 * final.c: Include debug.h.
7503 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7504 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7505 static, update prototype.
7506 (sdb_debug_hooks): Update.
7507 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7508 * toplev.c: Distinguish between xcoff and dbx.
7510 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7511 Call all debug hooks, not just dwarf ones.
7513 2001-07-11 Timothy Wall <twall@redhat.com>
7515 * config.gcc: Add configuration for AIX5/IA64.
7516 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7517 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7518 support prefix/suffix code.
7519 * config/ia64/t-aix: New. Makefile fragment.
7520 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7522 2001-07-11 Kazu Hirata <kazu@hxi.com>
7524 * recog.c (validate_change): Fix a comment typo.
7526 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7528 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7529 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7531 * dbxout.c (dbx_debug_hooks): Add new hooks.
7532 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7534 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7536 * dbxout.h (dbxout_start_new_source_file,
7537 dbxout_resume_previous_source_file): Delete.
7538 * debug.c (do_nothing_debug_hooks): Add new hooks.
7539 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7540 (debug_nothing_int_charstar, debug_nothing_int): New.
7541 * debug.h (gcc_debug_hooks): New hooks define, undef,
7542 start_source_file and end_source_file.
7543 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7544 (debug_nothing_int_charstar, debug_nothing_int): New.
7545 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7546 the conditionally compiled section.
7547 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7548 dwarf2out_define, dwarf2out_undef): Make static.
7549 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7550 dwarf2out_define, dwarf2out_undef): Remove.
7551 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7552 (dwarfout_start_source_file, dwarfout_end_source_file,
7553 dwarfout_define, dwarfout_undef): Make static.
7554 (dwarfout_start_source_file_check,
7555 dwarfout_end_source_file_check): New.
7556 (dwarfout_define, dwarfout_finish): Update.
7557 * dwarfout.h (dwarfout_start_new_source_file,
7558 dwarfout_resume_previous_source_file, dwarfout_define,
7559 dwarfout_undef): Remove.
7560 * sdbout.c (sdb_debug_hooks): Add new hooks.
7561 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7563 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7564 make static, take an arg.
7565 * sdbout.h (sdbout_start_new_source_file,
7566 sdbout_resume_previous_source_file): Delete.
7567 * toplev.c (debug_start_source_file, debug_end_source_file,
7568 debug_define, debug_undef): Delete.
7569 * toplev.h (debug_start_source_file, debug_end_source_file,
7570 debug_define, debug_undef): Delete.
7572 * java/jcf-parse.c: Include debug.h.
7573 (parse_class_file): Update to use debug hooks directly.
7574 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7576 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7578 * alias.c (set_mem_alias_set): New function.
7579 * rtl.h (set_mem_alias_set): Declare it.
7580 * builtins.c (expand_builtin_return_addr): Call it instead of
7581 using MEM_ALIAS_SET accessor.
7582 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7583 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7584 (expand_builtin_va_copy):Likewise.
7585 * caller-save.c (setup_save_areas): Likewise.
7586 * calls.c (compute_argument_addresses): Likewise.
7587 * explow.c (set_mem_attributes): Likewise.
7588 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7589 (expand_assignment, store_constructor_field, store_field): Likewise.
7590 (expand_expr_unaligned): Likewise.
7591 * function.c (assign_stack_temp_for_type): Likewise.
7592 (put_reg_into_stack, gen_mem_addressof): Likewise.
7593 * ifcvt.c (noce_try_cmove_arith): Likewise.
7594 * reload1.c (reload, alter_reg): Likewise.
7595 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7596 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7597 (alpha_expand_unaligned_store): Likewise
7598 (alpha_expand_unaligned_load_words): Likewise.
7599 (alpha_expand_unaligned_store_words): Likewise.
7600 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7601 (alpha_expand_epilogue): Likewise.
7602 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7603 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7604 * config/i386/i386.c (legitimize_pic_address): Likewise.
7605 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7606 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7607 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7608 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7609 * config/mips/mips.c (mips_va_arg): Likewise.
7610 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7611 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7612 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7613 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7614 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7615 (rs6000_emit_epilogue): Likewise.
7616 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7617 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7618 * config/v850/v850.c (v850_va_arg): Likewise.
7620 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7622 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7623 when fallthru edge is present.
7624 (mege_blocks): Handle case where creation of jump insn
7627 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7628 CLEANUP_POST_REGSTACK): New constants.
7629 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7630 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7631 * output.h (cleanup_cfg): Update prototype.
7632 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7633 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7634 cleanup_cfg call; kill missleading comment.
7635 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7636 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7637 parameter; control optimizations performed using it.
7638 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7639 try_crossjump_bb): New functions.
7641 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7643 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7645 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7646 pa_output_function_prologue.
7647 * pa-protos.h (pa_output_function_prologue): New prototype.
7649 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7651 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7652 and low to get correct sign extension in low+high test.
7654 2001-07-11 Janis Johnson <janis@us.ibm.com>
7656 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7657 for large hit count.
7659 * profile.c (branch_prob): Fix .bbg info for computed gotos
7662 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7664 * stmt.c (parse_output_constraint): New function, split out
7666 (expand_asm_operands): ... here. Use parse_output_constraint.
7667 * tree.h (parse_output_constraint): Declare it.
7669 2001-07-11 Richard Henderson <rth@redhat.com>
7671 * bitmap.c: Comment some functions; fiddle whitespace.
7672 (bitmap_free): Don't export.
7673 (bitmap_element_allocate): Use memset.
7674 * bitmap.h (bitmap_free): Don't declare.
7676 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7678 * gcse.c, lcm.c, sched-deps.c:
7679 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7681 * flow.c (flow_loops_find): Free dom if we found no loops, since
7682 we aren't going to save it.
7684 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7687 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7689 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7691 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7693 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7694 #ifndef DWARF2_DEBUGGING_INFO.
7696 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7698 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7700 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7702 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7703 reverse a branch if a NE comparison is implemented with GTU.
7705 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7706 H.J. Lu <hjl@gnu.org>
7708 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7710 (call_internal2): Likewise.
7711 (call_value_internal1): Likewise.
7712 (call_value_internal2): Likewise.
7713 (call_value_multiple_internal1): Likewise.
7714 (call_value_multiple_internal2): Likewise.
7716 2001-07-10 Kazu Hirata <kazu@hxi.com>
7718 * calls.c (emit_library_call_value_1): Fix a comment typo.
7719 * dwarf2out.c (mem_loc_descriptor): Likewise.
7720 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7722 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7724 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7726 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7728 * recog.c (offsettable_address_p): Handle LO_SUM case.
7729 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7730 instead of plus_constant.
7732 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7734 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7735 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7737 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7739 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7740 adjust_address_nv instead of plus_constant.
7742 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7744 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7745 dwarf2out.o): Depend on debug.h, wrap long lines.
7746 * dbxout.c: Include debug.h.
7747 (dbx_debug_hooks): New.
7748 (dbxout_init): Make static, take just 2 args.
7749 (dbxout_finish): Make static.
7750 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7751 * debug.c: New file.
7752 * debug.h: New file.
7753 * dwarf2out.c: Include debug.h.
7754 (dwarf2_debug_hooks): New.
7755 (dwarf2out_init): Make static.
7756 (dwarf2out_finish): Make static, take 2 args.
7757 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7758 * dwarfout.c: Include debug.h.
7759 (dwarf_debug_hooks): New.
7760 (dwarfout_init): Make static.
7761 (dwarfout_finish): Make static, take 2 args.
7762 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7763 * sdbout.c: Include debug.h.
7764 (sdb_debug_hooks): New.
7765 (sdbout_init): Make static, take 2 args.
7766 * sdbout.h (sdbout_init): Delete.
7767 * toplev.c: Include debug.h.
7769 (compile_file): Set deubg_hooks based on command line options.
7770 Use the hooks unconditionally rather than conditional compilation.
7772 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7774 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7775 first_insn_after_basic_block_note instead.
7777 * df.c (df_bb_refs_unlink): #if 0 out for now.
7779 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7781 * ssa.h: Add prototype for ssa_const_prop
7782 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7783 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7784 (ssa_fast_dce): Remove unused variable
7786 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7788 * diagnostic.c (finish_diagnostic): Rename to
7789 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7792 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7794 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7797 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7798 (dump_file): Only pad the demangled name with spaces if the
7799 mangled name was padded with spaces.
7801 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7803 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7806 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7808 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7809 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7812 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7813 whether can put offset inside LO_SUM to check mode alignment, not size.
7815 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7817 * doc/tm.texi (Misc): Fix thinko.
7819 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7821 * regmove.c (replace_in_call_usage): Fix warnings.
7822 * sched-deps.c (add_dependence): Fix warnings.
7823 * simplify-rtx.c (simplify_subreg): Likewise.
7824 Return NULL_RTX instead of NULL.
7826 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7827 (subst_asm_stack_regs): Likewise.
7829 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7832 * dwarf2out.c (output_call_frame_info): Declare i as int.
7833 (build_abbrev_table): Declare n_alloc as int.
7834 (dwarf2out_finish): Initialize die.
7835 * except.c: Declare sjlj_funcdef_number as unsigned.
7836 (connect_post_landing_pads): Declare j as unsigned.
7837 (convert_to_eh_region_ranges): Initialize call_site.
7838 (output_function_exception_table): Initialize tt_format_size.
7839 * expr.c (move_by_pieces_1): Initialize to1.
7840 (store_constructor): Initialize minelt and maxelt.
7841 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7842 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7844 * c-decl.c (combine_parm_decls): Unused, remove.
7845 * c-tree.h: Remove prototype for combine_parm_decls.
7847 * reload.c (push_reload): Fix warning.
7848 (regno_clobbered_p): Likewise.
7849 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7850 (reload_combine): Likewise.
7852 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7853 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7855 * bitmap.c (bitmap_operation): Change user.
7856 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7858 2001-07-10 Eric Christopher <echristo@redhat.com>
7860 * config/mips/mips.c (override_options): Fix typo.
7862 2001-07-09 Stan Shebs <shebs@apple.com>
7864 * target.h (struct gcc_target): New fields init_builtins and
7866 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7867 (TARGET_EXPAND_BUILTIN): New macro.
7868 (TARGET_INITIALIZER): Add them.
7869 * builtins.c: Include target.h.
7870 (expand_builtin): Use targetm.expand_builtin.
7871 (default_init_builtins): New function.
7872 (default_expand_builtin): New function.
7873 * expr.h (default_init_builtins): Declare.
7874 (default_expand_builtin): Declare.
7875 * c-common.c (c_common_nodes_and_builtins): Use
7876 targetm.init_builtins.
7877 * defaults.h (MD_INIT_BUILTINS): Remove.
7878 * Makefile.in (builtins.o): Depend on target.h.
7880 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7881 (TARGET_EXPAND_BUILTIN): Define.
7882 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7883 (MD_EXPAND_BUILTIN): Remove.
7885 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7886 (TARGET_EXPAND_BUILTIN): Define.
7887 (c4x_init_builtins): Make endlink arg a local.
7888 (c4x_print_operand): Fix typos in adjust_address usages.
7889 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7890 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7891 (MD_EXPAND_BUILTIN): Remove.
7893 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7894 (TARGET_EXPAND_BUILTIN): Define.
7895 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7896 (ix86_init_builtins): Call new function only if TARGET_MMX.
7897 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7898 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7899 (MD_EXPAND_BUILTIN): Remove.
7901 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7902 (TARGET_EXPAND_BUILTIN): Define.
7903 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7904 (MD_EXPAND_BUILTIN): Remove.
7906 * doc/tm.texi: Document these changes.
7908 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7910 * basic-block.h (tree_node): Forward declare if needed.
7911 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7912 (BLOCK_HEAD_TREE): Define.
7913 (BLOCK_END_TREE): Define.
7914 (struct loops): Rename field 'tree' to 'tree_root'.
7915 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7917 (flow_loops_tree_build): Rename reference to field 'tree' to
7919 (flow_loops_level_compute): Ditto.
7920 * predict.c (estimate_bb_frequencies): Ditto.
7921 * tree.h (struct tree_common): Add field 'aux'.
7923 2001-07-09 Stan Shebs <shebs@apple.com>
7925 * config/darwin.c (darwin_encode_section_info): Don't mark any
7926 DECL_EXTERNAL node as defined.
7928 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7930 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7931 pa_free_machine_status, hppa_init_pic_save): Delete.
7932 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7933 (hppa_profile_hook): Use hppa_pic_save_rtx.
7934 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7935 hppa_init_pic_save): Delete.
7936 (hppa_pic_save_rtx): Declare.
7937 * pa.md (call, call_value, sibcall, sibcall_value,
7938 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7940 2001-07-09 Kazu Hirata <kazu@hxi.com>
7942 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7943 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7945 2001-07-09 Andreas Jaeger <aj@suse.de>
7947 * output.h: Add declaration of final_forward_branch_p.
7949 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7951 * varray.c: Include errors.h for internal_error and trim_filename
7954 * Makefile.in (varray.o): Add errors.h.
7956 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7958 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7959 * optabs.c (have_add2_insn): Check whether the add insn chosen
7960 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7961 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7963 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7965 * Makefile.in (OBJS): Add ssa-ccp.o
7966 (ssa-ccp.o): Add dependencies.
7967 * toplev.c (DFI_ssa_ccp): New dump file enum.
7968 (dump_file): Add entry for dumping after SSA CCP.
7969 (flag_ssa_ccp): New flag variable.
7970 (f_options): Add -fssa-ccp.
7971 (rest_of_compilation): Run SSA CCP if requested.
7972 * timevar.def (TV_SSA_CCP): New timevar.
7973 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7974 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7975 Fix minor typo in SSA DCE documentation.
7976 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7977 Add documentation for new dump option. Renumber dump files
7980 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7982 * emit-rtl.c (gen_highpart_mode): New.
7983 * rtl.h (gen_highpart_mode): Declare.
7984 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7985 operand can be VOIDmode constant.
7987 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7989 * flow.c (redirect_edge_and_branch_force): New.
7990 (can_fallthru): Ensure that basic blocks are succeeding.
7991 (try_optimize_cfg): Do not delete basic block if it is the last one.
7993 * flow.c (try_redirect_by_replacing_jump): Do not remove
7994 jumps with side effects, unlink chain on fallthru edge;
7995 set block for new jump instruction; avoid basic block to
7996 over by line number note.
7998 * flow.c (try_simplify_condjump): Verify that the condjump
7999 is not always falling trought.
8002 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8004 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8005 (try_redirect_by_replacing_jump): Update properly the count
8006 and frequency information.
8008 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8010 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8011 address that is a LO_SUM specially.
8012 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8014 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8016 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8017 (operand_subword): Use them.
8018 (change_address_1): Renamed from change_address; new arg VALIDATE.
8019 * expr.h: Reflect above changes; change_address now macro.
8020 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8022 * cselib.c (add_mem_for_addr): Likewise.
8023 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8024 * regmove.c (try_apply_stack_adjustment): Likewise.
8025 * reload.c (push_reload, make_memloc): Likewise.
8026 * reload1.c (eliminate_regs): Likewise.
8027 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8028 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8030 * combine.c (make_extraction, simplify_shift_const): Likewise.
8031 (gen_lowpart_for_combine): Likewise.
8032 * cse.c (gen_lowpart_if_possible): Likewise.
8033 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8034 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8035 * optabs.c (gen_move_insn): Likewise.
8036 * reload1.c (alter_reg): Likewise.
8037 * simplify-rtx.c (simplify_subreg): Likewise.
8038 * stmt.c (expand_anon_union_decl): Likewise.
8039 * recog.c (validate_replace_rtx_1): Likewise.
8041 * Makefile.in (recog.o): Add $(EXPR_H).
8042 * explow.c (stabilize): Call replace_equiv_address.
8043 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8044 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8046 2001-07-03 Andrew Haley <aph@redhat.com>
8048 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8049 the mode of the memory location.
8051 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8053 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8055 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8057 * final.c (output_addr_const): Use target opening and
8058 closing parentheses.
8059 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8060 defaults, add to TARGET_ASM_OUT.
8061 * target.h (struct gcc_target): Add open_paren and close_paren.
8062 * doc/md.texi: Update.
8063 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8064 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8065 TARGET_ASM_CLOSE_PAREN.
8066 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8068 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8070 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8071 * config/a29k/a29k.h: Similarly.
8072 * config/alpha/alpha.h: Similarly.
8073 * config/arc/arc.h: Similarly.
8074 * config/arm/aof.h: Similarly.
8075 * config/arm/aout.h: Similarly.
8076 * config/avr/avr.h: Similarly.
8077 * config/c4x/c4x.h: Similarly.
8078 * config/clipper/clipper.h: Similarly.
8079 * config/convex/convex.h: Similarly.
8080 * config/d30v/d30v.h: Similarly.
8081 * config/dsp16xx/dsp16xx.h: Similarly.
8082 * config/elxsi/elxsi.h: Similarly.
8083 * config/fr30/fr30.h: Similarly.
8084 * config/h8300/h8300.h: Similarly.
8085 * config/i370/i370.h: Similarly.
8086 * config/i386/i386.h: Similarly.
8087 * config/i860/i860.h: Similarly.
8088 * config/i960/i960.h: Similarly.
8089 * config/ia64/ia64.h: Similarly.
8090 * config/m32r/m32r.h: Similarly.
8091 * config/m68hc11/m68hc11.h: Similarly.
8092 * config/m68k/m68k.h: Similarly.
8093 * config/m88k/m88k.h: Similarly.
8094 * config/mcore/mcore.h: Similarly.
8095 * config/mips/mips.h: Similarly.
8096 * config/mn10200/mn10200.h: Similarly.
8097 * config/mn10300/mn10300.h: Similarly.
8098 * config/ns32k/ns32k.h: Similarly.
8099 * config/pa/pa.h: Similarly.
8100 * config/pdp11/pdp11.h: Similarly.
8101 * config/pj/pj.h: Similarly.
8102 * config/romp/romp.h: Similarly.
8103 * config/rs6000/rs6000.h: Similarly.
8104 * config/sh/sh.h: Similarly.
8105 * config/sparc/sparc.h: Similarly.
8106 * config/v850/v850.h: Similarly.
8107 * config/vax/vax.h: Similarly.
8108 * config/we32k/we32k.h: Similarly.
8110 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8112 * doc/c-tree.texi: Document representation of attributes.
8114 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8116 * doc/tm.texi: Update some places for the rename of target to
8119 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8121 * target.h (struct gcc_target): Add insert_attributes.
8122 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8123 (TARGET_INITIALIZER): Update.
8124 * tree.c, tree.h (default_insert_attributes): New function.
8125 Update comments on other default functions to refer to targetm,
8127 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8128 TARGET_INSERT_ATTRIBUTES.
8129 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8130 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8131 Don't use PRAGMA_INSERT_ATTRIBUTES.
8132 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8133 * c-decl.c (start_decl, start_function): Don't call
8134 SET_DEFAULT_DECL_ATTRIBUTES.
8135 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8136 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8138 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8139 (c4x_check_attribute): Avoid modifying attribute list itself.
8140 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8142 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8143 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8145 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8146 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8148 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8149 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8151 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8152 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8153 Adjust parameters. Make static.
8155 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8157 * c-common.c (decl_attributes): Only take a single attributes
8159 * c-common.h (decl_attributes): Update prototype.
8160 * c-decl.c (start_decl, start_function): Only take a single
8161 attributes parameter. Update calls to decl_attributes.
8162 (finish_struct, finish_enum): Update calls to decl_attributes.
8163 (push_parm_decl): Expect unified list of attributes. Update call
8165 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8166 notype_nested_function, component_declarator,
8167 component_notype_declarator, label): Update calls to
8169 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8170 lists that are passed to push_parm_decl.
8171 * c-tree.h (start_function, start_decl): Update prototypes.
8172 * config/sh/sh-protos.h, config/sh/sh.c
8173 (sh_pragma_insert_attributes): Only take a single attributes
8175 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8176 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8177 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8178 build_module_descriptor, generate_static_references,
8179 generate_strings, build_selector_translation_table,
8180 generate_descriptor_table, generate_protocols,
8181 generate_ivars_list, generate_dispatch_table,
8182 generate_protocol_list, generate_category,
8183 generate_shared_structures, really_start_method, add_objc_decls,
8184 generate_classref_translation_entry): Update calls to start_decl
8186 (build_tmp_function_decl, start_method_def): Unify attribute lists
8187 that are passed to push_parm_decl.
8189 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8191 * final.c (no_asm_to_stream): New.
8192 (final_scan_insn): Use target structures for prologue ends
8193 and epilogue starts.
8194 * output.h (no_asm_to_stream): New.
8195 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8196 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8197 (TARGET_ASM_OUT): Update.
8198 * target.h (struct gcc_target): New members function_end_prologue
8199 and function_begin_epilogue.
8200 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8201 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8202 * config/alpha/alpha.c (output_end_prologue): Rename to
8203 alpha_output_function_end_prologue. Use in target struct
8205 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8206 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8207 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8208 ia64_output_function_end_prologue. Use in target struct
8210 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8211 mistyped prototypes.
8212 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8213 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8215 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8216 an use in target struct, make static.
8217 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8220 2001-07-08 Richard Henderson <rth@redhat.com>
8222 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8224 2001-07-08 Richard Henderson <rth@redhat.com>
8226 * config/i386/i386.md: Remove constraints strings from define_split
8227 and define_peephole2 patterns.
8228 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8229 (eh_return): Use them.
8231 2001-07-08 Richard Henderson <rth@redhat.com>
8233 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8234 Document MD_FALLBACK_FRAME_STATE_FOR.
8236 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8238 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8239 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8241 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8243 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8245 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8246 of the label inside NAME as opposed to just the end of NAME.
8248 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8250 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8251 * config/alpha/alpha.c (alpha_init_machine_status,
8252 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8253 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8254 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8255 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8257 2001-07-06 Stan Shebs <shebs@apple.com>
8259 * target.h (targetm): Rename global from "target", so as not to
8260 conflict with local variables.
8262 * c-typeck.c: Ditto.
8266 * cp/decl2.c: Ditto.
8267 * cp/typeck.c: Ditto.
8268 * 1750a/1750a.c: Ditto.
8269 * a29k/a29k.c: Ditto.
8273 * clipper/clipper.c: Ditto.
8274 * convex/convex.c: Ditto.
8275 * d30v/d30v.c: Ditto.
8276 * dsp16xx/dsp16xx.c: Ditto.
8277 * elxsi/elxsi.c: Ditto.
8278 * fr30/fr30.c: Ditto.
8279 * h8300/h8300.c: Ditto.
8280 * i370/i370.c: Ditto.
8281 * i386/i386.c: Ditto.
8282 * i860/i860.c: Ditto.
8283 * i960/i960.c: Ditto.
8284 * ia64/ia64.c: Ditto.
8285 * m32r/m32r.c: Ditto.
8286 * m68hc11/m68hc11.c: Ditto.
8287 * m68k/m68k.c: Ditto.
8288 * m88k/m88k.c: Ditto.
8289 * mips/mips.c: Ditto.
8290 * ns32k/ns32k.c: Ditto.
8292 * pdp11/pdp11.c: Ditto.
8293 * romp/romp.c: Ditto.
8294 * rs6000/rs6000.c: Ditto.
8296 * sparc/sparc.c: Ditto.
8298 * we32k/we32k.c: Ditto.
8299 * doc/tm.texi: Update the manual to match.
8301 2001-07-06 Richard Henderson <rth@redhat.com>
8303 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8304 DWARF2_UNWIND_INFO not just whether it is defined.
8306 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8308 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8309 call to simplify_binary_operation returns a new pattern.
8311 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8313 * glimits.h (__SHRT_MAX__): New.
8314 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8315 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8317 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8319 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8322 2001-07-06 Richard Henderson <rth@redhat.com>
8324 * bitmap.c (bitmap_release_memory): Move adjacent to the
8325 allocation functions.
8326 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8327 the implementation. Binary search for the set bit.
8328 (bitmap_union_of_diff): Allocate the temporary on the stack
8329 instead of using xmalloc.
8331 2001-07-06 Richard Henderson <rth@redhat.com>
8333 * genrecog.c (validate_pattern): Warn for constraints in
8334 define_{expand,split,peephole2}. Remove strict_low_part
8335 before looking up match_dup.
8337 2001-07-06 DJ Delorie <dj@redhat.com>
8339 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8340 chapter about various build hints and history. Add section
8341 talking about the various types of native and cross builds.
8343 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8345 * Makefile.in (final.o): Depend on target.h.
8346 * final.c: Include target.h.
8347 (default_function_pro_epilogue): New.
8348 (final_start_function): Use target structure for function prologues.
8349 (final_end_function): Use target structure for function epilogues.
8350 * fold-const.c (real_hex_to_f): Constify s and p.
8351 * output.h (default_function_pro_epilogue): New.
8352 * real.h (real_hex_to_f): Update prototype.
8353 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8354 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8355 (TARGET_INITIALIZER): Update.
8356 * target.h (gcc_target): Add struct asm_out.
8357 * doc/tm.texi: Update.
8360 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8361 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8362 in cpu/cpu.c, or rename old functions consistently. Take
8363 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8364 redundant macros and prototypes. Make new functions static.
8366 * 1750a/1750a.c: Similarly.
8367 * 1750a/1750a.h: Similarly.
8368 * a29k/a29k-protos.h: Similarly.
8369 * a29k/a29k.c: Similarly.
8370 * a29k/a29k.h: Similarly.
8371 * arc/arc-protos.h: Similarly.
8372 * arc/arc.c: Similarly.
8373 * arc/arc.h: Similarly.
8374 * arm/arm-protos.h: Similarly.
8375 * arm/arm.c: Similarly.
8376 * arm/arm.h: Similarly.
8377 * avr/avr-protos.h: Similarly.
8378 * avr/avr.c: Similarly.
8379 * avr/avr.h: Similarly.
8380 * clipper/clipper-protos.h: Similarly.
8381 * clipper/clipper.c: Similarly.
8382 * clipper/clipper.h: Similarly.
8383 * convex/convex.c: Similarly.
8384 * convex/convex.h: Similarly.
8385 * d30v/d30v-protos.h: Similarly.
8386 * d30v/d30v.c: Similarly.
8387 * d30v/d30v.h: Similarly.
8388 * d30v/d30v.md: Similarly.
8389 * dsp16xx/dsp16xx-protos.h: Similarly.
8390 * dsp16xx/dsp16xx.c: Similarly.
8391 * dsp16xx/dsp16xx.h: Similarly.
8392 * elxsi/elxsi.c: Similarly.
8393 * elxsi/elxsi.h: Similarly.
8394 * fr30/fr30.c: Similarly.
8395 * fr30/fr30.md: Similarly.
8396 * h8300/h8300-protos.h: Similarly.
8397 * h8300/h8300.c: Similarly.
8398 * h8300/h8300.h: Similarly.
8399 * i370/i370-protos.h: Similarly.
8400 * i370/i370.c: Similarly.
8401 * i370/i370.h: Similarly.
8402 * i386/i386.c: Similarly.
8403 * i386/osf1elf.h: Similarly.
8404 * i386/osfrose.h: Similarly.
8405 * i860/i860-protos.h: Similarly.
8406 * i860/i860.c: Similarly.
8407 * i860/i860.h: Similarly.
8408 * i960/i960-protos.h: Similarly.
8409 * i960/i960.c: Similarly.
8410 * i960/i960.h: Similarly.
8411 * ia64/ia64-protos.h: Similarly.
8412 * ia64/ia64.c: Similarly.
8413 * ia64/ia64.h: Similarly.
8414 * m32r/m32r-protos.h: Similarly.
8415 * m32r/m32r.c: Similarly.
8416 * m32r/m32r.h: Similarly.
8417 * m68hc11/m68hc11-protos.h: Similarly.
8418 * m68hc11/m68hc11.c: Similarly.
8419 * m68hc11/m68hc11.h: Similarly.
8420 * m68k/crds.h: Similarly.
8421 * m68k/dpx2.h: Similarly.
8422 * m68k/m68k-protos.h: Similarly.
8423 * m68k/m68k.c: Similarly.
8424 * m68k/m68k.h: Similarly.
8425 * m68k/news.h: Similarly.
8426 * m88k/m88k-protos.h: Similarly.
8427 * m88k/m88k.c: Similarly.
8428 * m88k/m88k.h: Similarly.
8429 * mips/mips-protos.h: Similarly.
8430 * mips/mips.c: Similarly.
8431 * mips/mips.h: Similarly.
8432 * ns32k/merlin.h: Similarly.
8433 * ns32k/ns32k.c: Similarly.
8434 * ns32k/ns32k.h: Similarly.
8435 * ns32k/tek6000.h: Similarly.
8436 * pa/pa-protos.h: Similarly.
8437 * pa/pa.c: Similarly.
8438 * pa/pa.h: Similarly.
8439 * pdp11/2bsd.h: Similarly.
8440 * pdp11/pdp11-protos.h: Similarly.
8441 * pdp11/pdp11.c: Similarly.
8442 * pdp11/pdp11.h: Similarly.
8443 * romp/romp-protos.h: Similarly.
8444 * romp/romp.c: Similarly.
8445 * romp/romp.h: Similarly.
8446 * rs6000/rs6000-protos.h: Similarly.
8447 * rs6000/rs6000.c: Similarly.
8448 * rs6000/rs6000.h: Similarly.
8449 * rs6000/sysv4.h: Similarly.
8450 * sh/sh-protos.h: Similarly.
8451 * sh/sh.c: Similarly.
8452 * sh/sh.h: Similarly.
8453 * sparc/sparc-protos.h: Similarly.
8454 * sparc/sparc.c: Similarly.
8455 * sparc/sparc.h: Similarly.
8456 * vax/vax.c: Similarly.
8457 * vax/vax.h: Similarly.
8458 * vax/vms.h: Similarly.
8459 * we32k/we32k.c: Similarly.
8460 * we32k/we32k.h: Similarly.
8462 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8464 * basic-block.h (first_insn_after_basic_block_note): Declare.
8465 * flow.c (first_insn_after_basic_block_note): Define. Moved
8467 * ssa.c (first_insn_after_basic_block_note): Remove.
8468 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8470 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8471 nodes when we find a dead conditional branch. Insert BARRIERs
8472 after any blocks with no successors, but which do not have
8475 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8477 * varray.c (varray_check_failed): Use internal_error.
8479 2001-07-05 Andrew Haley <aph@redhat.com>
8481 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8482 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8483 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8485 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8487 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8488 reference if the target constant is also a SYMBOL_REF.
8490 2001-07-05 Eric Christopher <echristo@redhat.com>
8492 * config/mips/mips.h (MASK_MIPS3900): Remove.
8493 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8494 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8495 (TARGET_MIPS3900): Change to use mips_arch.
8496 (TARGET_MIPS4000): New.
8497 (TARGET_MIPS4100): New.
8498 (TARGET_MIPS4300): New.
8499 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8500 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8502 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8503 (ISA_HAS_BRANCHLIKELY): To here.
8504 (CC1_CPU_SPEC): New.
8505 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8506 (mips_arch_string): Declare.
8507 (mips_arch): Declare.
8508 (TARGET_OPTIONS): Add -march and -mtune.
8510 * config/mips/mips.c (mips_arch_string): New.
8512 (override_options): Handle -march for codegen and -mtune
8513 for scheduling. Use mips_arch. Move tx39 target default here.
8514 (mips_parse_cpu): Move error message to override_options.
8516 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8518 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8520 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8521 (MIPS Options): Ditto. Change mcpu entry to historical text.
8523 2001-07-05 H.J. Lu (hjl@gnu.org)
8525 * config/mips/mips.c (mips_parse_cpu): New function to parse
8528 2001-07-05 Jim Wilson <wilson@redhat.com>
8530 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8531 * config/ia64/t-ia64: Likewise.
8532 (LIB1ASMFUNCS): Update comment.
8534 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8536 * doc/install.texi (Install GCC: Binaries): Fix typo.
8538 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8540 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8541 reference using the stack pointer, adjust it since we push Y
8543 ("*ashrsi3"): Likewise.
8544 ("*lshrsi3"): Likewise.
8546 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8548 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8549 when -fomit-frame-pointer is used.
8551 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8553 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8554 (try_redirect_by_replacing_jump): Reverse updating properly the
8555 count and frequency information. Reverse removing cc0 setter.
8556 (forwarder_block_p): Reverse fixing for fallthru blocks.
8558 2001-07-05 DJ Delorie <dj@redhat.com>
8560 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8561 (translate_options): If the above is defined, use it to map
8562 given options to new options.
8563 * doc/tm.texi: Document it.
8565 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8566 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8568 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8569 cause programs using computed gotos to run more slowly.
8571 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8573 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8575 Consistently require binutils 2.11.2, not prereleases.
8576 (Specific, decstation-*): Canonicalize as mips-dec-*.
8577 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8579 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8580 (Specific, mips-*): Reword MIPS C compiler requirements.
8581 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8582 (Specific, sunv5): Removed, obsolete.
8584 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8586 * dwarf2out.c (output_loc_list): Use an all ones mask for
8587 .text asm output and don't rely on long long
8588 literals. Reformat some long lines.
8590 2001-07-05 Andreas Jaeger <aj@suse.de>
8592 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8595 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8597 * dwarf2out.c (dwarf2out_define): Update comment.
8598 (dwarf2out_undef): Ditto.
8599 (dwarf2out_start_source_file): Ditto.
8600 (dwarf2out_end_source_file): Ditto.
8601 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8602 since we never call the start/end debug hook for the primary file.
8604 2001-07-04 Kazu Hirata <kazu@hxi.com>
8606 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8609 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8611 * cppinit.c (remove_dup_dirs): Inform if a system include
8612 directory is being reordered.
8613 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8615 * doc/cpp.texi (Search Paths): Likewise.
8616 * doc/gcc.texi (Interoperation): Remove information about
8619 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8621 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8622 (VARRAY_TOP_CHAR_PTR): Likewise.
8624 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8626 * gcc.c (process_command): Don't assign elements of a const char*.
8628 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8630 * emit-rtl.c (change_address): Don't abort if invalid address while
8631 reload is in progress.
8633 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8635 * c-lex.c (cb_file_change): Pass line number to
8636 debug_start_source_file.
8637 (cb_undefine): Pass correct line number to debug_undef.
8639 * toplev.c (debug_start_source_file): Add line number to
8640 parameters. Pass it along to dwarf2out_start_source_file.
8641 (decode_g_option): Stop resetting debug level back to normal when
8642 we change debug formats, unless the current level is
8643 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8646 * toplev.h (debug_start_source_file): Add line number to
8649 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8652 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8654 Output debug_macinfo data for starting file if requested.
8655 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8657 (dwarf2out_define): Output debug_macinfo data for defining a macro
8659 (dwarf2out_undef): Output debug_macinfo data for undefining a
8661 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8662 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8663 (macinfo_section_label): New. DWARF2 macro info section label.
8664 (dwarf2out_init): If we want macro info, output the start label
8666 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8667 attribute to the compilation unit die pointing to the macro info.
8669 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8671 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8672 DWARF2_DEBUGGING_INFO.
8673 (add_loc_descr_to_loc_list): Ditto.
8674 (output_loc_list): Ditto.
8675 Also, fix thinko in curr not being initialized.
8676 (gen_internal_sym): Ditto.
8678 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8680 * emit-rtl.c (replace_equiv_address): New function.
8681 * expr.h (replace_equiv_address): New declaration.
8682 * explow.c (validize_mem): Call it instead of change_address and
8683 also call if -fforce-addr and address is constant.
8684 * expr.c: Replace more calls to change_address with adjust_address
8685 and/or replace_equiv_address or to validize_mem.
8686 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8687 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8688 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8689 * config/i370/i370.md, config/i860/i860.md: Likewise.
8690 * config/i960/i960.md, config/mips/mips.c: Likewise.
8691 * config/mips/mips.md, config/pa/pa.md: Likewise.
8692 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8693 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8695 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8697 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8699 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8702 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8704 * doc/include: New directory.
8705 * doc/fdl.texi: Move to doc/include/fdl.texi.
8706 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8707 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8708 * doc/gcc.texi: Use funding.texi and gpl.texi.
8709 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8710 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8711 Update dependencies and use -I $(docdir)/include.
8713 2001-07-04 Anthony Green <green@redhat.com>
8715 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8717 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8719 * doc/install.texi (sparc64-*-*): Remove garbage.
8721 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8723 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8724 Fix typo in last change to use adjust_address.
8726 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8728 * doc/install.texi (Specific): Update information for *-*-solaris*.
8730 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8732 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8734 2001-07-03 Stan Shebs <shebs@apple.com>
8736 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8737 case for flag_no_mach_text_sections.
8738 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8739 * config/darwin.c (flag_no_mach_text_sections): Remove.
8740 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8742 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8744 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8745 and avoid checking for constant as first operand.
8746 * recog.c (find_constant_term_loc): No longer static.
8747 (adj_offettable_operand): Delete.
8748 * rtl.h (adj_offsettable_operand): Delete declaration.
8749 (find_constant_term): Add declaration.
8750 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8752 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8753 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8754 * config/i386/i386.c, config/i386/i386.md: Likewise.
8755 * config/i860/i860.c, config/i960/i960.c: Likewise.
8756 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8757 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8758 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8759 * config/mips/mips.c, config/mips/mips.md: Likewise.
8760 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8761 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8762 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8763 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8764 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8765 * config/ns32k/ns32k.md: Likewise.
8767 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8769 * rtl.c (copy_rtx): Handle 'T' format letter.
8770 * gensupport.c (collect_insn_data): Likewise.
8771 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8773 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8775 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8776 -B option. Use 'dir' not 'foo' as example directory name.
8778 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8780 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8781 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8783 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8785 * doc/cppinternals.texi: Improve formatting and logical markup.
8787 2001-07-03 Andreas Jaeger <aj@suse.de>
8789 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8791 * genrecog.c (write_header): Include reload.h for prototypes in
8794 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8797 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8798 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8799 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8800 i386_pe_valid_type_attribute_p): Add.
8801 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8802 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8804 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8806 * explow.c (plus_constant_wide, case LO_SUM): New case.
8807 (plus_constant_for_output_wide): Delete.
8808 * rtl.h (plus_constant_for_output): Delete.
8809 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8810 instead of plus_constant_for_output.
8811 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8812 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8813 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8814 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8815 * config/sparc/sparc.md: Likewise.
8816 Convert some change_address calls to adjust_address.
8818 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8820 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8821 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8822 documentation of -std and -Wwrite-strings.
8824 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8826 * cse.c (canon_hash): Don't register registers in very small
8827 register classes, as extending their lifetime might cause
8830 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8832 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8834 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8835 (try_redirect_by_replacing_jump): Update properly the count
8836 and frequency information.
8838 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8840 * toplev.c (dump_file_index): Move SSA dumps just after first
8842 (dump_file): Corresponding changes.
8843 (rest_of_compilation): Move SSA path to just after the first
8845 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8846 * doc/invoke.texi: Update dump file #s as they were completely
8847 out of date with reality.
8849 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8851 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8853 * expr.c (emit_move_insn_1): Deal with non-default
8856 * expr.c (emit_single_push_insn): Fix warning.
8858 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8860 * expr.c (emit_move_insn_1): Avoid modifying
8861 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8863 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8865 * emit-rtl.c (adjust_address): New function.
8866 * expr.h (adjust_address): Add declaration.
8867 * builtins.c: Replace some calls to change_address with calls to it
8869 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8870 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8871 * config/arm/arm.c, config/convex/convex.c: Likewise.
8872 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8873 * config/i386/i386.c, config/i386/i386.md: Likewise.
8874 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8875 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8876 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8877 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8878 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8880 2001-07-02 Jim Wilson <wilson@redhat.com>
8882 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8884 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8886 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8887 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8889 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8891 * cppinit.c (lang_defaults): New table.
8892 (set_lang): Just read from lang_defaults into the live options
8895 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8897 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8898 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8899 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8901 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8903 * doc/install.texi: Various spelling and markup fixes.
8904 (Installing GCC): Component specific installation instructions are
8907 Warn about removing old install dir in the presence of shared libs.
8908 (Configuration): Invoke with options target to match configure
8910 Consistently refer to gas, gld pathnames.
8911 Invert --enable-multilib documentation.
8912 Remove references to old compiler versions.
8914 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8916 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8918 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8920 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8922 (Specific, mips*-sgi-irix5): Note IDO download.
8923 Reworded MIPS C hints.
8924 Use GNU as instead of GAS.
8926 Removed SGI Freeware reference, IRIX 6 only.
8927 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8928 Note N64 library requirement/workaround.
8930 Complete list of structure passing bug victims.
8932 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8934 * doc/install.texi: Remove CVS Id.
8936 2001-07-02 Andreas Jaeger <aj@suse.de>
8938 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8939 (find_inherently_necessary): Remove unused variable.
8941 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8943 * c-common.h (TDI_inlined): New ast dump phase.
8944 (dump_flag_name): New function.
8945 * c-dump.c (dump_files): Add inlined phase.
8946 (dump_flag_name): Define.
8947 * doc/invoke.texi (-fdump-ast-inlined): Document.
8949 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8951 * stor-layout.c (layout_decl): Revert change to handling of alignment
8954 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8956 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8959 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8961 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8964 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8966 * tlink.c (recompile_files): Remove COMPILER_PATH and
8967 LIBRARY_PATH from the environment.
8969 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8971 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8972 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8974 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8976 * c-parse.in (OBJC_STRING): Kill.
8977 (objc_string): Decompose to [objc_string] '@' STRING.
8978 (reswords): Take the leading '@' off all the Objective C keywords.
8979 (objc_rid_sans_at): Kill.
8980 (init_reswords): Don't initialize it.
8981 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8982 (_yylex): Kill reconsider label. Look ahead one token after
8983 an '@'; if we get an identifier, check whether it's an
8984 Objective C @-keyword. If so, return the keyword. Otherwise,
8985 put back the token and return the '@' as a terminal.
8987 * cpplib.c (lex_macro_node): Remove unnecessary check for
8988 leading '@' on identifier. Clarify control flow and commentary.
8990 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8992 * cse.c (new_label_ref): Variable deleted.
8993 (insert): Remove set of new_label_ref.
8994 (check_for_label_ref): New function.
8995 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8997 See ChangeLog.5 for earlier changes.