1 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * doc/install.texi: Markup fixes.
4 Use Solaris 2, SunOS 4 as appropriate.
5 (Specific, *-*-solaris2*): Explain this.
6 Unconditionally warn against /usr/ucb tools.
7 Remove Sun as warning, obsolete.
8 Move X11 header bug workaround here, update patches.
9 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
10 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
12 2001-09-23 Zack Weinberg <zack@codesourcery.com>
14 * errors.h (warning, error, fatal, internal_error): Don't mark
15 with ATTRIBUTE_PRINTF_n.
16 * toplev.h (internal_error, fatal_io_error, warning, error,
17 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
18 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
21 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
23 * function.c (pop_function_context_from): var_refs_queue
24 and temp slots now in GC memory.
25 (mark_function_status, free_after_compilation): Likewise;
26 also struct function now in GC memory.
27 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
28 (combine_temp_slots): Likewise.
29 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
30 (prepare_function_start): Use GC memory for struct function.
31 (mark_temp_slot): Deleted.
32 (gcc_mark_struct_function): struct function now in GC memory.
34 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
35 code for division, not modulus.
37 * rtl.def (MEM): Remove obsolete part of comment.
39 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
41 * c-format.c (init_function_format_info): Check __builtin_printf
42 and __builtin_fprintf even if -ffreestanding. Check C99 functions
45 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
47 * c-common.c (format_attribute_table): Remove decl.
48 * tree.h (format_attribute_table, lang_attribute_table): New decls.
49 (lang_attribute_common): Likewise.
51 * function.c (fix_lexical_address): Use set_mem_alias_set.
52 (expand_function_start): Likewise.
53 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
55 * varasm.c (output_constant): Fix unused variable warning.
57 * attribs.c: New file, from c-common.c.
58 (attribute_tables): Now four elements.
59 (format_attribute_table, lang_attribute_common): New variables.
60 (init_attributes): Reflect above changes.
61 (handle_mode_attribute): Delete check for wider than uintmax.
62 * c-common.c: Delete parts moved to attribs.c.
63 (enum attrs): Deleted; unused.
64 (c_format_attribute_table): New variable.
65 (c_common_lang_init): Initialize format_attribute_table with it.
66 * c-common.h (decl_attributes): Remove decl.
67 * tree.h (decl_attribute): Move it to here.
68 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
69 (attribs.o): New rule.
71 2001-09-22 Andreas Jaeger <aj@suse.de>
73 * builtins.c (c_getstr): Remove unused variable.
75 2001-09-21 Richard Henderson <rth@redhat.com>
77 * reload1.c (reload): Use delete_insn instead of splatting
80 2001-09-21 Richard Henderson <rth@redhat.com>
82 * reload.c (push_secondary_reload): Don't check for "=" in output
83 constraint after ""->ALL_REGS check.
85 2001-09-21 Richard Henderson <rth@redhat.com>
87 * predict.c (expected_value_to_br_prob): Use pc_set.
89 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
90 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
92 2001-09-21 Richard Henderson <rth@redhat.com>
94 * rtl.h (LCT_RETURNS_TWICE): New.
95 * calls.c (emit_call_1): Set current_function_calls_setjmp for
97 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
99 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
102 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
104 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
107 2001-09-21 Richard Henderson <rth@redhat.com>
109 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
112 2001-09-21 Richard Henderson <rth@redhat.com>
114 * tree.def (FDESC_EXPR): New.
115 * expr.c (expand_expr): Handle it.
116 * varasm.c (initializer_constant_valid_p): Likewise.
117 (output_constant): Likewise.
118 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
119 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
120 (ASM_OUTPUT_FDESC): New.
121 * doc/tm.texi: Document the new macros.
123 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
125 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
126 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
127 once merging is complete.
129 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
131 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
133 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
135 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
136 that would be invalid after a merge.
138 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
140 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
141 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
143 (flow_delete_insn): This one.
144 (delete_insn_chain): Rename from ...; do not care labels.
145 (flow_delete_insn_chain): ... this one.
146 (flow_delete_block): Remove the insns one BB has been expunged.
147 (merge_blocks_nomove): Likewise.
148 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
149 updating BB boundaries.
150 (tidy_fallthru_edge): Likewise.
151 (commit_one_edge_insertion): Likewise.
152 * cfgbuild.c (find_basic_block): Likewise.
153 (find_basic_blocks_1): Likewise.
154 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
155 (try_crossjump_to_edge): Likewise.
156 (try_optimize_cfg): Likewise.
157 * cse.c (delete_trivially_dead_insns): Likewise.
158 * df.c (df_insn_delete): Likewise.
159 * doloop.c (doloop_modify): Use delete_related_insns.
160 * emit-rtl.c (try_split): Likewise.
161 (remove_insn): Update BB boundaries.
162 * expect.c (connect_post_landing_pads): Use delete_related_insns.
163 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
164 updating BB boundaries.
165 (propagate_block_delete_insn): Likewise.
166 (propagate_block_delete_libcall): Likewise.
167 * function.c (delete_handlers): Use delete_related_insns.
168 (thread_prologue_and_epilogue_insns): Likewise.
169 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
170 * genpeep.c (gen_peephole): Use delete_related_insns.
171 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
173 (find_cond_trap): Likewise.
174 * integrate.c (save_for_inline): Use delete_related_insns.
175 (copy_insn_list): Likewise.
176 * jump.c (pruge_linie_number_notes): Likewise.
177 (duplicate_loop_exit_test): Likewise.
178 (delete_computation): Likewise.
179 (delete_related_insn): Rename from ...; use delete_insn
180 (delete_insn): ... this one.
181 (redirect_jump): Use delete_related_insns.
182 * loop.c (scan_loop): Likewise.
183 (move_movables): Likewise.
184 (find_and_verify_loops): Likewise.
185 (check_dbra_loop): Likewise.
186 * recog.c (peephole2_optimize): Likewise.
187 * reg-stack.c (delete_insn_for_stacker): Remove.
188 (move_for_stack_reg): Use delete_insn.
189 * regmove.c (combine_stack_adjustments_for_block): Likewise.
190 * reload1.c (delete_address_reloads): Use delete_related_insns.
191 (fixup_abnormal_edges): Use delete_insn.
192 * recog.c (emit_delay_sequence): Use delete_related_insns.
193 (delete_from-delay_slot): Likewise.
194 (delete_scheduled_jump): likewise.
195 (optimize_skip): Likewise.
196 (try_merge_delay_insns): Likewise.
197 (full_simple_delay_slots): Likewise.
198 (fill_slots_from_thread): Likewise.
199 (relax_delay_slots): Likewise.
200 (make_return_insns): Likewise.
201 (dbr_schedule): Likewise.
202 * rtl.h (delete_insn): Rename to delete_related_insns.
203 (delete_insn, delete_insn_chain): New prototypes.
204 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
205 by df_insn_delete already.
206 * ssa-dce.c (delete_insn_bb): Use delete_insn.
207 * ssa.c (convert_from_ssa): Use delete_related_insns.
208 * unroll.c (unroll_loop): Likewise.
209 (calculate_giv_inc): Likewise.
210 (copy_loop_body): Likewise.
212 * i386-protos.h (ix86_libcall_value, ix86_function_value,
213 ix86_function_arg_regno_p, ix86_function_arg_boundary,
214 ix86_return_in_memory, ix86_function_value): Declare.
215 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
216 new static valurables.
217 (x86_64_reg_class): New enum
218 (x86_64_reg_class_name): New array.
219 (classify_argument, examine_argument, construct_container,
220 merge_classes): New static functions.
221 (optimization_options): Enable flag_omit_frame_pointer and disable
222 flag_pcc_struct_return on 64bit.
223 (ix86_libcall_value, ix86_function_value,
224 ix86_function_arg_regno_p, ix86_function_arg_boundary,
225 ix86_return_in_memory, ix86_function_value): New global functions.
226 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
227 (function_arg_advance): Handle x86_64 passing conventions.
228 (function_arg): Likewise.
229 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
230 (RETURN_IN_MEMORY): Move offline.
231 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
232 (FUNCTION_VALUE_REGNO_P): New macro.
233 (FUNCTION_ARG_REGNO_P): Move offline.
234 (struct ix86_args): Add maybe_vaarg.
235 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
236 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
238 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
240 * s390.md: Changed attributes for scheduling.
241 * s390.c: (s390_adjust_cost, s390_adjust_priority)
244 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
246 Table-driven attributes.
247 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
248 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
249 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
250 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
251 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
252 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
253 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
254 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
255 * tree.h (struct tree_decl): Change machine_attributes to
257 * doc/c-tree.texi: Document that all attributes are now attached
259 * c-common.c (add_attribute, attrtab, attrtab_idx,
260 default_valid_lang_attribute, valid_lang_attribute): Remove.
261 (attribute_tables, attributes_initialized,
262 c_common_attribute_table, default_lang_attribute_table): New
264 (handle_packed_attribute, handle_nocommon_attribute,
265 handle_common_attribute, handle_noreturn_attribute,
266 handle_unused_attribute, handle_const_attribute,
267 handle_transparent_union_attribute, handle_constructor_attribute,
268 handle_destructor_attribute, handle_mode_attribute,
269 handle_section_attribute, handle_aligned_attribute,
270 handle_weak_attribute, handle_alias_attribute,
271 handle_no_instrument_function_attribute,
272 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
273 handle_no_limit_stack_attribute, handle_pure_attribute): New
275 (init_attributes, decl_attributes): Rewrite to implement
276 table-driven attributes.
277 * c-common.h (enum attribute_flags): Move to tree.h.
278 * c-format.c (decl_handle_format_attribute,
279 decl_handle_format_arg_attribute): Rename to
280 handle_format_attribute and handle_format_arg_attribute. Update
281 for table-driven attributes.
282 * c-common.h (decl_handle_format_attribute,
283 decl_handle_format_arg_attribute): Remove prototypes.
284 (handle_format_attribute, handle_format_arg_attribute): Add
286 * c-decl.c (grokdeclarator): Handle attributes nested inside
288 * c-parse.in (setattrs, maybe_setattrs): Remove.
289 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
290 Update to handle nested attributes properly.
291 (maybe_resetattrs, after_type_declarator,
292 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
293 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
295 (make_pointer_declarator): Update to handle nested attributes
297 * doc/extend.texi: Update documentation of limits of attributes
298 syntax. Warn about problems with attribute semantics in C++.
299 * target.h (struct target): Remove valid_decl_attribute and
300 valid_type_attribute. Add attribute_table and
301 function_attribute_inlinable_p.
302 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
303 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
304 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
306 (TARGET_INITIALIZER): Update.
307 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
309 (function_attribute_inlinable_p): New function. Check for the
310 presence of any machine attributes before using
311 targetm.function_attribute_inlinable_p.
312 (function_cannot_inline_p): Update.
313 * Makefile.in (integrate.o): Update dependencies.
314 * doc/tm.texi: Update documentation of target attributes and
315 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
316 * tree.c (default_valid_attribute_p, valid_machine_attribute):
318 (default_target_attribute_table,
319 default_function_attribute_inlinable_p): New.
320 (lookup_attribute): Update comment to clarify handling of multiple
321 attributes with the same name.
322 (merge_attributes, attribute_list_contained): Allow multiple
323 attributes with the same name but different arguments to appear in
324 the same attribute list.
325 * tree.h (default_valid_attribute_p): Remove prototype.
326 (struct attribute_spec): New.
327 (default_target_attribute_table): Declare.
328 (enum attribute_flags): Move from c-common.h. Add
329 ATTR_FLAG_TYPE_IN_PLACE.
330 (default_function_attribute_inlinable_p): Declare.
331 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
332 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
333 (TARGET_ATTRIBUTE_TABLE): Define.
334 (vms_attribute_table): New.
335 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
336 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
337 (TARGET_ATTRIBUTE_TABLE): Define.
338 (arc_attribute_table, arc_handle_interrupt_attribute): New.
339 * config/arm/arm.c (arm_valid_type_attribute_p,
340 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
342 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
344 (TARGET_ATTRIBUTE_TABLE): Define.
345 (arm_attribute_table, arm_handle_fndecl_attribute,
346 arm_handle_isr_attribute): New.
347 * config/avr/avr.c (avr_valid_type_attribute,
348 avr_valid_decl_attribute): Remove.
349 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
351 (TARGET_ATTRIBUTE_TABLE): Define.
352 (avr_attribute_table, avr_handle_progmem_attribute,
353 avr_handle_fndecl_attribute): New.
354 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
355 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
356 (TARGET_ATTRIBUTE_TABLE): Define.
357 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
358 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
359 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
360 (TARGET_ATTRIBUTE_TABLE): Define.
361 (h8300_attribute_table, h8300_handle_fndecl_attribute,
362 h8300_handle_eightbit_data_attribute,
363 h8300_handle_tiny_data_attribute): New.
364 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
365 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
367 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
369 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
370 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
372 (TARGET_ATTRIBUTE_TABLE): Define.
373 (ix86_attribute_table, ix86_handle_cdecl_attribute,
374 ix86_handle_regparm_attribute): New.
375 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
376 i386_pe_valid_type_attribute_p): Remove.
377 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
378 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
379 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
380 (TARGET_ATTRIBUTE_TABLE): Define.
381 (ia64_attribute_table): New.
382 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
383 interrupt_ident2, model_ident1, model_ident2): Remove.
384 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
385 (TARGET_ATTRIBUTE_TABLE): Define.
386 (init_idents): Update.
387 (m32r_attribute_table, m32r_handle_model_attribute): New.
388 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
390 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
391 (TARGET_ATTRIBUTE_TABLE): Define.
392 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
393 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
394 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
395 (TARGET_ATTRIBUTE_TABLE): Define.
396 (mcore_attribute_table, mcore_handle_naked_attribute): New.
397 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
398 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
399 (TARGET_ATTRIBUTE_TABLE): Define.
400 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
401 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
402 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
403 (TARGET_ATTRIBUTE_TABLE): Define.
404 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
405 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
406 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
407 (TARGET_ATTRIBUTE_TABLE): Define.
408 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
409 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
411 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
413 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
414 (TARGET_ATTRIBUTE_TABLE): Define.
415 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
417 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
418 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
419 (TARGET_ATTRIBUTE_TABLE): Define.
420 (v850_attribute_table, v850_handle_interrupt_attribute,
421 v850_handle_data_area_attribute): New.
422 * config/v850/v850-c.c (mark_current_function_as_interrupt):
423 Return void. Call decl_attributes instead of
424 valid_machine_attribute.
426 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
428 * sh-protos.h (sh_pr_n_sets): Declare.
429 * sh.c (calc_live_regs): If the initial value for PR has been copied,
430 look at the copy to determine if PR needs to be saved.
431 sh_pr_n_sets: New function.
432 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
433 (ALLOCATE_INITIAL_VALUE): Define.
435 * sh.c (initial_elimination_offset):
436 Fix RETURN_ADDRESS_POINTER_REGNUM case.
438 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
440 * integrate.c (allocate_initial_values): New function.
441 * integrate.h (allocate_initial_values): Declare.
442 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
444 * reload1.c (reload): And initialization of reg_equiv_memory_loc
446 * toplev.c (rest_of_compilation): To here.
447 Call allocate_initial_values.
448 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
450 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
452 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
454 2001-09-20 DJ Delorie <dj@redhat.com>
456 * c-typeck.c (really_start_incremental_init): Discriminate
457 between zero-length arrays and flexible arrays.
458 (push_init_level): Detect zero-length arrays and handle them
459 like fixed-sized arrays.
460 * expr.c (store_constructor): Handle zero-length arrays and
461 flexible arrays correctly.
462 * doc/extend.texi: Update zero-length array notes.
464 2001-09-20 Jim Wilson <wilson@redhat.com>
466 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
467 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
468 for issue port conflicts.
469 (cycle_end_fill_slots): TYPE_L instructions take two slots.
471 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
473 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
476 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
478 * fold-const.c (hashtab.h): Include.
479 (int_const_binop): Remove FORSIZE arg and compute from type; all
481 Call size_int_type_wide for all single-word constants.
482 (size_htab_hash, size_htab_eq): New functions.
483 (size_int_type_wide): Rework to use hash table.
484 * ggc-common.c (hashtab.h): Include.
485 (struct d_htab_root): New struct.
486 (d_htab_roots): New variable.
487 (ggc_add_deletable_htab, ggc_htab_delete): New functions
488 (ggc_mark_roots): Handle deletable htabs.
489 * ggc-page.c (ggc_marked_p): New function.
490 * ggc-simple.c (ggc_marked_p): Likewise.
491 * ggc.h: Reformatting throughout.
492 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
493 * tree.c (init_obstacks): Make type_hash_table a deletable root.
494 (type_hash_add): Allocate struct type_hash from GC memory.
495 (mark_hash_entry, mark_type_hash): Deleted.
496 (type_hash_marked_p, type_hash_mark): New functions.
497 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
499 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
501 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
504 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
506 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
507 array-too-large test for signed sizetype.
509 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
511 * i386.md (indirect_jump): Allow Pmode operand.
512 (tablejump): LIkewise; perform expansion to 64bit mode.
513 * i386.c (symbolic_operand): Allow 64bit PIC references.
514 (pic_symbolic_operand): Likewise.
515 (ix86_find_base_term): Strip the 64bit PIC references.
516 (legitimate_pic_address_disp_p): Handle 64bit PIC.
517 (legitimize_pic_address): Likewise.
518 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
519 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
521 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
523 * stringpool.c (get_identifier_with_length): New function.
524 * tree.h (get_identifier_with_length): New prototype.
526 2001-09-19 Alan Modra <amodra@bigpond.net.au>
527 David Edelsohn <edelsohn@gnu.org>
530 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
531 already sign-extended.
533 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
534 * config/rs6000/rs6000.c (logical_operand): Always compare op as
536 (rs6000_emit_set_long_const): Avoid unnecessary shift.
537 (output_profile_hook): Declare label_name const.
538 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
539 to match constraints.
541 2001-09-19 Stan Shebs <shebs@apple.com>
543 * alias.c: Fix typos in comments.
544 * sched-rgn.c (init_ready_list): Ditto.
545 * unwind-dw2.c (uw_frame_state_for): Ditto.
546 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
547 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
548 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
550 2001-09-19 Richard Henderson <rth@redhat.com>
552 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
554 * Makefile.in (cfg.o): Depend on TM_P_H.
556 2001-09-19 Richard Henderson <rth@redhat.com>
558 * config/alpha/alpha.c (local_symbol_p): Split out from ...
559 (local_symbolic_operand): ... here.
560 (small_symbolic_operand): Check mode.
561 (global_symbolic_operand): New.
562 (input_operand): Reject symbolics if explicit relocs.
563 (call_operand): Tidy.
564 (alpha_legitimize_address): Use movdi_er_high_g.
565 (alpha_expand_mov): Likewise.
566 * config/alpha/alpha-protos.h: Update.
567 * config/alpha/alpha.h (PREDICATE_CODES): Update.
568 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
569 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
570 (UNSPECV_LDGP2): Remove.
571 (all call patterns): Use 's' not 'i' for symbolic constraint.
572 (call_osf call_value_osf): Use call_operand.
573 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
574 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
575 (prologue_ldgp_1_er): Remove.
576 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
577 (builtin_setjmp_receiver_er patterns): Use them.
578 (exception_receiver_er): Likewise.
580 2001-09-19 Richard Henderson <rth@redhat.com>
582 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
584 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
585 and NON_LOCAL_GOTO notes.
586 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
587 copy over CALL_INSN_FUNCTION_USAGE.
589 2001-09-18 Catherine Moore <clm@redhat.com>
591 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
594 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
596 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
597 new-style tm_file specification. Specify correct tm_p_file,
598 md_file, and out_file for s390x.
600 * config/s390/linux.h, linux64.h: Don't include other target
601 macro header files. Now handled via tm_file.
603 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
604 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
605 are defined before use.
607 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
609 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
610 code generation only for Gnu assembler.
612 2001-09-18 Catherine Moore <clm@redhat.com>
614 * config/stormy16 (LIB_SPEC): Remove -lnosys.
616 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
618 * config/mips/mips.c (mips_frame_set): New.
619 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
620 a parallel frame-related expression with a set for each register.
622 2001-09-18 Philip Blundell <philb@gnu.org>
624 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
627 2001-09-17 Dale Johannesen <dalej@apple.com>
629 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
630 * config/rs6000/aix.h (FIXED_R2): Define.
631 * config/rs6000/darwin.h (FIXED_R2): Define.
632 * config/rs6000/sysv4.h (FIXED_R2): Define.
634 2001-09-17 Jeff Sturm <jsturm@one-point.com>
636 * except.c (dw2_build_landing_pads): New local
637 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
638 barrier after clobbers. Fixes c++/4012.
640 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
642 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
644 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
646 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
647 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
649 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
651 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
654 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
656 * cpphash.h (_cpp_lex_direct): New.
657 * cpplex.c (_cpp_lex_token): Update.
658 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
659 and increment that pointer.
660 * cppmacro.c (alloc_expansion_token): New.
661 (lex_expansion_token): Lex macro expansion directly into
664 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
666 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
668 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
670 * basic-block.h (free_bb_for_insn): Declare.
671 * bb-reorder.c (label_for_bb): Use block_label.
672 (emit_jump_to_block_after): Remove.
673 (insert_intra_1): Do not update block_for_insn.
674 (insert_inter_bb_scope_notes): Likewise; update bb->end
675 * cfg.c (free_bb_for_insn): New.
676 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
677 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
678 (commit_one_edge_insertion): Likewise.
679 (commit_one_edge_insertion): Do not update BB boundary.
680 (commit_edge_insertions): Do not call compute_bb_for_insn.
681 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
682 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
683 (merge_blocks_move_successor_nojumps): Likewise.
684 (try_crossjump_to_edge): Do not update block_for_insn.
685 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
686 * df.c (df_pattern_emit_later): Do not update BB boundary.
687 (df_jump_pattern_emit_after): Likewise.
688 (df_insn_move_before): Use emit_insn_before.
689 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
691 (add_insn_after, add_insn_before, emit_insns_after): Update BB
692 boundaries and basic_block_for_insn.
693 (reorder_insns_nobb): Rename from reorder_insns.
694 (reorder_insns): New.
695 (emit_block_insn_before, emit_block_insn_after): Kill.
696 * flow.c (check_function_return_warnings): Do not call
697 compute_bb_for_insn; Do not free basic_block_for_insn.
698 (attempt_auto_inc): Do not update basic_block_for_insn.
699 * function.c (emit_return_into_block): Likewise;
700 do not update BB boundaries.
701 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
702 (insert_insn_end_bb): Use emit_insn_before; Likewise.
703 (pre_insert_copy_insn): Likewise.
704 (update_ld_motion_notes): Likewise.
705 (insert_insn_start_bb): Likewise.
706 (replace_store_insn): Likewise.
707 * ifcvt.c (noce_process_if_block): Likewise.
708 (if_convert): Do not call compute_bb_for_insn.
709 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
710 Use emit_insn_before and emit_insn_after.
711 * recog.c (split_all_insns): Do not update BB boundaries;
712 Do not call compute_bb_for_insn.
713 (peephole2_optimize): Do not update BB boundaries.
714 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
716 (emit_swap_insn): Likewise.
717 (convert_regs_1): Likewise.
718 * reload1.c (reload): Call compute_bb_for_insn.
719 * rtl.h (reorder_insns_nobb): Declare.
720 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
721 * toplev.c (rest_of_compilation): Call free_bb_for_insn
722 at places CFG is invalidated; do not call compute_bb_for_insn.
724 * cfg.c (expunge_block): Invalidate BB structure.
726 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
729 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
731 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
733 * cpphash.h (_cpp_lex_token): Update prototype.
734 * cpplex.c (_cpp_lex_token): New prototype.
735 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
736 lex_macro_node, read_flag, do_pragma_poison): Update.
737 * cppmacro.c (cpp_get_token, parse_params,
738 lex_expansion_token): Update.
740 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
742 * cppmain.c (scan_translation_unit): Don't worry about
743 putting a space after hashes.
744 * cpplib.c (directive_diagnostics): New.
745 (_cpp_handle_directive): Update to use directive_diagnostics.
746 (run_directive): Don't toggle prevent_expansion.
747 (do_line): Backup in case of the line extension.
748 * cpplib.h (cpp_lexer_pos): Remove.
749 * cppmacro.c (_cpp_create_definition): Precede a leading #
752 2001-09-15 Richard Henderson <rth@redhat.com>
754 * c-typeck.c (comptypes): Handle zero-length arrays properly.
756 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
758 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
760 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
763 * tradcpp.c (handle_directive): Skip non-vertical space.
765 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
767 * cppmain.c (setup_callbacks): Set line callback only
768 if outputting preprocessed source.
770 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
772 * collect2.c (main): Const-ification.
773 * gcc.c (translate_options, process_command): Use xstrdup in
774 lieu of xmalloc/strcpy.
775 (main): Use concat in lieu of xmalloc/strcpy/strcat.
777 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
779 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
782 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
784 * scan-decls.c (scan_decls): Fix typo.
786 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
788 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
789 Split mlstring_pos into mls_line and mls_col.
790 * cppinit.c (cpp_create_reader): Initialize line to 1.
791 (cpp_destroy): Free tokenruns.
792 (push_include): Don't update lexer_pos.
793 * cpplex.c (unterminated, parse_string): Update.
794 (lex_token): Don't update lexer_pos, update.
795 * cpplib.c (if_stack): Save line instead of line + col.
796 (start_directive, _cpp_do__Pragma, do_else, do_elif,
797 push_conditional, _cpp_pop_buffer): Update.
798 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
799 (_cpp_create_definition): Update.
801 2001-09-15 Eric Christopher <echristo@redhat.com>
803 * config/mips/abi64.h: Add support for MEABI.
805 2001-09-15 Eric Christopher <echristo@redhat.com>
807 * config/mips/mips.md: Add unspec #2.
809 (reload_outdi): Ditto.
810 (reload_outsi): Ditto.
813 2001-09-15 Eric Christopher <echristo@redhat.com>
814 Jason Eckhardt <jle@redhat.com>
816 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
817 * config/mips/isa32-linux.h: New file.
818 * config/mips/isa3264.h: Ditto.
819 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
820 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
821 (output_block_mode): Support MEABI.
822 (function_arg): Ditto. Fix floating point arg passing.
823 (mips_va_start): Ditto.
824 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
826 (mips_asm_file_start): Add new section to pass abi to gdb.
827 (function_arg_pass_by_reference): Support MEABI.
828 (mips_parse_cpu): Support mips32 and mips64 processors.
829 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
830 TARGET_MIPS5KC. Support isa32 and isa64.
831 (processor_type): Add r4kc, r5kc, r20kc.
832 (GENERATE_MULT3_SI): New.
833 (GENERATE_MULT3_DI): Ditto.
834 (GENERATE_MULT3): Remove.
835 (ISA_HAS_64BIT_REGS): Add isa == 64.
836 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
837 (ISA_HAS_MADD_MSUB): New.
838 (ISA_HAS_CLZ_CLO): Ditto.
839 (ISA_HAS_DCLZ_DCLO): Ditto.
840 (ABI_GAS_ASM_SPEC): New.
841 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
844 (SUBTARGET_CC1_SPEC): Ditto.
845 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
846 (PAD_VARARGS_DOWN): Support MEABI.
847 (HARD_REGNO_NREGS): Move to mips.c.
848 (ASM_OUTPUT_IDENT): Add #undef.
849 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
850 (mulsi3): Use GENERATE_MULT3_SI.
851 (mulsi3_mult3): Ditto. Support mips32, mips64.
852 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
853 (mul_sub_si): New pattern.
854 (unnamed splitters): New.
855 (muldi3): Use GENERATE_MULT3_DI.
856 (muldi3_internal2): Ditto.
857 (movdicc): Support mips32.
858 * config/mips/t-isa3264: New file.
860 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
862 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
863 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
864 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
866 * reorg.c (fill_slots_from_thread): After call to
867 steal_delay_list_from_target, update own_thread as new_thread may
870 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
872 * cpperror.c (print_location): Take line and column, for
873 default positioning use the previously lexed token.
874 (_cpp_begin_message): Take line and column.
875 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
876 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
877 * cpphash.h (_cpp_begin_message): Update prototype.
878 * cppinit.c (push_include): Don't set output line.
879 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
880 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
881 (do_pragma): Kludge for front ends. Don't expand macros at all.
882 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
883 (struct cpp_token): Remove output_line.
884 (struct cpp_callbacks): New member line_change.
885 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
886 cpp_get_token): Preserve BOL flag.
887 (cpp_get_line): Remove.
888 (_cpp_backup_tokens): Remove useless abort().
889 * cppmain.c (cb_line_change): New.
890 (scan_translation_unit): Don't worry about starting new lines here.
891 * scan-decls.c (scan_decls): Update.
892 * c-lex.c (c_lex, init_c_lex): Update.
893 (cb_line_change, src_lineno): New.
895 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
897 * tree.c (append_random_chars): Generate the random
898 characters in a reproducable fashion.
900 2001-09-14 Richard Henderson <rth@redhat.com>
902 * config/i386/i386.c (internal_label_prefix): New.
903 (internal_label_prefix_len): New.
904 (override_options): Set them.
905 (local_symbolic_operand): New.
906 (legitimate_pic_address_disp_p): Use it.
907 (legitimize_pic_address): Likewise.
909 2001-09-14 Marc Espie <espie@openbsd.org>
911 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
914 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
916 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
917 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
919 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
921 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
922 invocation of SUBREG_REGNO_OFFSET.
924 * haifa-sched.c: Fix typo in FSF copyright statement.
925 * sched-deps.c: Fix typo in FSF copyright statement.
926 * sched-ebb.c: Fix typo in FSF copyright statement.
927 * sched-rgn.c: Fix typo in FSF copyright statement.
928 * sched-vis.c: Fix typo in FSF copyright statement.
930 * config.gcc: Move inclusion of arm elf specific header files
931 from the files themselves into the tm_file variable. Make
932 sure that elfos.h is included before target specific elf
934 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
936 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
937 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
938 ASM_OUTPUT_CASE_LABEL): Protect definition.
939 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
941 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
942 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
943 Remove duplicate definition.
944 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
945 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
946 (RDATA_SECTION_FUNCTION): Remove redundant definition.
947 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
948 Remove inclusion of arm/elf.h.
949 * config/arm/unknown-elf.h: as for conix-elf.h.
950 (STARTFILE_SPEC): Include crti.o and crtn.o.
951 * config/arm/linux-elf.h: as for conix-elf.h.
952 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
953 * config/arm/strongarm-elf.h: Remove inclusion of
955 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
956 * config/arm/unknown-elf-oabi.h: Remove inclusion of
957 unknown-elf.h and elf.h.
958 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
959 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
960 ASM_WEAKEN_LABEL): Remove redundant definition.
961 * config/arm/elf.h: Test for inclusion of elfos.h
962 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
963 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
964 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
965 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
966 redundant definition.
967 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
968 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
969 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
970 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
971 Add rules to build crti.o and crtn.o
972 * crti.asm: New file.
973 * crtn.asm: New file.
975 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
977 * c-parse.in (_yylex): Use _cpp_backup_tokens.
978 * cpphash.h (struct tokenrun): Add prev.
979 (struct lexer_state): Remove bol.
980 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
981 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
983 * cppinit.c (cpp_create_reader): Don't set bol.
984 (cpp_destroy): Don't free lookaheads.
985 * cpplex.c (lex_directive): Remove.
986 (next_tokenrun): Update.
987 (_cpp_lex_token): Clean up logic.
988 (lex_token): Update to return a pointer to lexed token, since it
989 can move to the start of the buffer. Simpify newline handling.
990 * cpplib.c (SEEN_EOL): Update.
991 (skip_rest_of_line): Remove lookahead stuff.
992 (end_directive): Line numbers are already incremented. Revert
993 to start of lexed token buffer if we can.
994 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
995 parse_answer): Use _cpp_backup_tokens.
996 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
997 instead. Don't check for EOL.
998 (do_include_common, do_line, do_pragma_system_header): Use
1000 * cpplib.h (BOL, _cpp_backup_tokens): New.
1001 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1002 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1003 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1004 (builtin_macro): Don't use cpp_get_line.
1005 (cpp_get_line): Short term kludge.
1006 (parse_arg): Handle directives in arguments here. Back up when
1007 appropriate. Store EOF at end of argument list.
1008 (funlike_invocation_p): Use _cpp_backup_tokens.
1009 (push_arg_context): Account for EOF at end of list.
1010 (cpp_get_token): Remove lookahead stuff. Update.
1012 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * c-parse.in (yyerror): Const-ification and/or static-ization.
1015 * c-typeck.c (push_member_name): Likewise.
1016 * collect2.c (main): Likewise.
1017 * dbxout.c (dbxout_parms): Likewise.
1018 * diagnostic.c (format_with_decl): Likewise.
1019 * dwarf2out.c (output_ranges): Likewise.
1020 * dwarfout.c (fundamental_type_code): Likewise.
1021 * except.c (dw2_output_call_site_table): Likewise.
1022 * gcc.c (do_spec_1): Likewise.
1023 * genopinit.c (optabs): Likewise.
1024 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1025 gen_declaration_1, handle_impent): Likewise.
1026 * protoize.c (default_include, in_system_include_dir, abspath):
1028 * sched-vis.c (visualize_stall_cycles): Likewise.
1029 * sdbout.c (plain_type_1, sdbout_end_function,
1030 sdbout_end_epilogue): Likewise.
1031 * varasm.c (decode_reg_name): Likewise.
1033 * 1750a.c (mod_regno_adjust): Likewise.
1034 * alpha.c (alpha_write_one_linkage,
1035 unicosmk_output_default_externs): Likewise.
1036 * arm.c (arm_condition_codes): Likewise.
1037 * arm.h (arm_condition_codes): Likewise.
1038 * avr.c (output_movsisf, encode_section_info): Likewise.
1039 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1041 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1042 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1043 * m88k.c (output_function_profiler): Likewise.
1044 * mips.c (mips_output_conditional_branch): Likewise.
1045 * ns32k.c (ns32k_out_reg_names): Likewise.
1046 * ns32k.h (ns32k_out_reg_names): Likewise.
1047 * pj.c (pj_output_rval): Likewise.
1048 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1049 * sparc.c (sparc_flat_function_prologue,
1050 sparc_flat_function_epilogue): Likewise.
1052 2001-09-13 Markus Werle <numerical.simulation@web.de>
1053 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1055 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1056 Aachen University of Technology".
1058 2001-09-13 Andreas Schwab <schwab@suse.de>
1060 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1063 2001-09-13 Richard Henderson <rth@redhat.com>
1065 * config/alpha/alpha.c (small_symbolic_operand): New.
1066 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1067 (some_operand, input_operand): Don't handle HIGH.
1068 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1069 (alpha_expand_mov): Likewise.
1070 (print_operand) [H]: Just print HIGH symbol.
1071 (print_operand_address): Handle small data.
1072 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1073 (TARGET_SWITCHES): Add -msmall-data/large-data.
1074 (PIC_OFFSET_TABLE_REGNUM): New.
1075 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1076 (PREDICATE_COES): Update.
1077 * config/alpha/alpha.md (adddi_er_high): New.
1078 (adddi_er_low): Handle small data.
1079 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1080 prefer .sdata to .rodata.
1081 (SELECT_RTX_SECTION): Likewise.
1083 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1085 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1086 defining __size_t and leaving size_t undefined.
1088 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1090 * basic-block.h (expunge_block): Declare.
1091 * cfg.c (expunge_block): Remove static declaration.
1093 2001-09-12 Richard Henderson <rth@redhat.com>
1095 * integrate.c (copy_insn_list): Copy label name from
1096 NOTE_INSN_DELETED_LABEL.
1098 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1100 * c-common.c (c_tree_code_name): Const-ification.
1101 * c-decl.c (c_decode_option): Likewise.
1102 * c-typeck.c (warn_for_assignment): Likewise.
1103 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1105 * cppinit.c (output_deps): Likewise.
1106 * dependence.c (dependence_string, direction_string): Likewise.
1107 * dwarf2out.c (output_ranges): Likewise.
1108 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1109 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1110 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1111 standard_startfile_prefix, standard_startfile_prefix_1,
1112 standard_startfile_prefix_2, tooldir_base_prefix,
1113 standard_bindir_prefix, find_a_file): Likewise.
1114 * genattrtab.c (make_length_attrs): Likewise.
1115 * gencheck.c (tree_codes): Likewise.
1116 * genemit.c (gen_split): Likewise.
1117 * genrecog.c (special_mode_pred_table): Likewise.
1118 * graph.c (graph_ext): Likewise.
1119 * protoize (default_include): Likewise.
1120 * reload.c (reload_when_needed_name): Likewise.
1121 * sched-vis.c (visualize_stall_cycles): Likewise.
1122 * tlink.c (recompile_files): Likewise.
1123 * toplev.c (decode_g_option): Likewise.
1124 * tradcpp.c (output_deps): Likewise.
1125 * varasm.c (decode_reg_name): Likewise.
1127 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1130 * avr.c (avr_regnames, encode_section_info): Likewise.
1131 * c4x.c (float_reg_names): Likewise.
1132 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1133 * elfos.h (const_section): Likewise.
1134 * i386.c (ix86_comp_type_attributes): Likewise.
1135 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1136 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1137 * ia64.c (type_names): Likewise.
1138 * m68hc11.c (reg_class_names): Likewise.
1139 * m88k.c (m_options): Likewise.
1140 * mips.c (mips_output_conditional_branch, mips_unique_section):
1142 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1143 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1144 ultra_code_names): Likewise.
1145 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1147 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1149 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1150 Use --fatal-warnings option for gas.
1151 * configure: Rebuilt.
1153 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1155 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1157 2001-09-11 Jim Wilson <wilson@redhat.com>
1159 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1161 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1163 * builtins.c (c_strlen): Treat an offset too large for a
1164 HOST_WIDE_INT as out of range.
1166 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1168 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1169 (EDGE_CRITICAL_P): New predicate.
1170 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1172 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1173 (dump_edge_info): Remove "crit".
1174 * cfganal.c (mark_critical_edges): Kill.
1175 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1176 * cfgcleanup.c (cleanup_cfg): Likewise.
1177 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1178 (find_spanning_tree): Likewise.
1179 * reg-stack.c (convert_regs_1): Likewise.
1180 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1182 * basic-block.h (create_basic_block_structure): New.
1183 (create_basic_block): Update prototype.
1184 (force_nonfallthru): New.
1185 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1186 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1187 handle updating of block_for_insn, creating of empty BBs and BBs at
1188 the end of INSN chain.
1189 (create_basic_block): New function.
1190 (split_block): Use create_basic_block.
1191 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1192 (redirect_edge_and_branch_force): ... here.
1193 (force_nonfallthru): New.
1194 (split_edge): Rewrite to use force_nonfallthru and create_block.
1195 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1196 (find_basic_blocks): Free basic_block_for_insn.
1197 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1199 * cfg.c: Fix formating.
1200 * cfgcleanup.c: Fix formating.
1201 (merge_blocks, tail_recursion_label_p): Return bool.
1202 (merge_blocks_move_predecessor_nojumps,
1203 merge_blocks_move_successor_nojumps): Return void.
1205 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1207 * configure.in: Check whether assembler supports section merging.
1208 * config.in: Rebuilt.
1209 * configure: Rebuilt.
1210 * varasm.c (variable_section, output_constant_pool): Pass alignment
1211 to SELECT_SECTION and SELECT_RTX_SECTION.
1212 (mergeable_string_section): New.
1213 (mergeable_constant_section): New.
1214 (default_elf_asm_named_section): Output SECTION_MERGE and
1215 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1216 * output.h (mergeable_string_section): New.
1217 (mergeable_constant_section): New.
1218 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1219 * toplev.c (flag_merge_constants): New.
1220 (f_options): Add -fmerge-constants and -fmerge-all-constants
1222 (toplev_main): Default to -fno-merge-constants if not optimizing.
1223 * flags.h (flag_merge_constants): Add extern.
1224 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1225 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1227 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1228 Define if assembler has working .subsection -1 support.
1229 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1230 Put constant into special SHF_MERGE sections if the linker should
1231 attempt to merge duplicates.
1232 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1234 Put constant into special SHF_MERGE sections if the linker should
1235 attempt to merge duplicates.
1236 * config/alpha/elf.h: Likewise.
1237 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1238 has working .subsection -1 support.
1239 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1241 * config/svr3.h: Likewise.
1242 * config/darwin.h: Likewise.
1243 * config/arm/aof.h: Likewise.
1244 * config/arm/linux-elf.h: Likewise.
1245 * config/avr/avr.h: Likewise.
1246 * config/c4x/c4x.h: Likewise.
1247 * config/d30v/d30v.h: Likewise.
1248 * config/i386/dgux.h: Likewise.
1249 * config/i386/osfrose.h: Likewise.
1250 * config/i386/sco5.h: Likewise.
1251 * config/i386/svr3gas.h: Likewise.
1252 * config/ia64/aix.h: Likewise.
1253 * config/m32r/m32r.h: Likewise.
1254 * config/m68k/m68k.h: Likewise.
1255 * config/m88k/dgux.h: Likewise.
1256 * config/m88k/m88k.h: Likewise.
1257 * config/mcore/mcore-pe.h: Likewise.
1258 * config/mips/mips.h: Likewise.
1259 * config/pa/pa.h: Likewise.
1260 * config/pa/pa-linux.h: Likewise.
1261 * config/romp/romp.h: Likewise.
1262 * config/rs6000/sysv4.h: Likewise.
1263 * config/rs6000/xcoff.h: Likewise.
1264 * config/s390/linux.h: Likewise.
1265 * config/sparc/sparc.h: Likewise.
1266 * config/sparc/sysv4.h: Likewise.
1267 * config/stormy16/stormy16.h: Likewise.
1268 * config/v850/v850.h: Likewise.
1269 * config/vax/vms.h: Likewise.
1270 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1271 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1272 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1273 default_elf_asm_named_section for SHF_MERGE sections.
1275 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1277 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1280 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1282 * c-common.c (split_specs_attrs): Allow for empty attributes with
1283 empty TREE_PURPOSE. Fixes PR c/4294.
1285 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1287 * basic-block.h (cached_make_edge, make_single_succ): New.
1288 (make_edge): Remove first parameter.
1289 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1290 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1291 created edge; use obstack allocation.
1292 (make_edge, make_single_succ_edge): New.
1293 (first_removed_edge): New static variable.
1294 (init_flow): Initialize first_removed_edge and n_edges.
1295 (clear_edges): Use remove_edge.
1296 (flow_delete_block): Likewise.
1297 (remove_edge): Add removed edges to the removed edges list.
1298 (split_block, redirect_edge_and_branch_force, split_edge):
1300 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1301 (add_noreturn_fake_exit_edges): Likewise.
1302 (connect_infinite_loops_to_exit): Liekwise.
1303 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1304 Use cached_make_edge.
1305 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1306 * profile.c (branch_prob): Update make_edge call.
1307 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1309 2001-09-11 Richard Henderson <rth@redhat.com>
1311 * config/alpha/alpha.c: Tidy formatting.
1312 (local_symbolic_operand): Verify mode.
1313 (alpha_sa_mask): Ignore unicos for eh_return.
1314 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1315 * config/alpha/alpha.md (umk divsi patterns): Remove.
1316 (extendsfdf2): Remove unicos check.
1317 (tablejump): Merge vms and unicos code; always use direct set
1320 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1322 * config.gcc (alpha*-*-unicosmk*): New target.
1324 * config/alpha/alpha-protos.h (symbolic_operand,
1325 unicosmk_add_call_info_word, unicosmk_add_extern,
1326 unicosmk_defer_case_vector, unicosmk_unique_section,
1327 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1328 unicosmk_asm_file_start, unicosmk_asm_file_end,
1329 unicosmk_output_common): Declare.
1331 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1332 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1333 alpha_does_function_need_gp, alpha_end_function): Support Cray
1335 (alpha_init_machine_status, alpha_mark_machine_status,
1336 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1337 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1338 unicosmk_asm_named_section, unicosmk_insert_attributes,
1339 unicosmk_section_type_flags, symbolic_operand,
1340 unicosmk_output_module_name, unicosmk_output_default_externs,
1341 unicosmk_output_dex, unicosmk_output_externs,
1342 unicosmk_output_addr_vec, unicosmk_ssib_name,
1343 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1344 unicosmk_asm_file_end, unicosmk_output_common,
1345 unicosmk_section_type_flags, unicosmk_unique_section,
1346 unicosmk_add_call_info_word, unicosmk_text_section,
1347 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1348 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1349 unicosmk_dex_count, unicosmk_special_name): New.
1350 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1351 TARGET_ABI_UNICOSMK.
1352 (get_aligned_mem, alpha_expand_unaligned_load,
1353 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1354 alpha_expand_unaligned_store_words): Support big-endian mode.
1355 (print_operand): Likewise. New format specifier 't'. Use
1356 TARGET_AS_SLASH_BEFORE_SUFFIX.
1357 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1358 (alpha_pv_save_size): Update with above change.
1359 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1360 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1363 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1364 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1365 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1366 (EXTRA_CONSTRAINT): New constraint 'U'.
1367 (PREDICATE_CODES): Add symbolic_operand.
1369 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1370 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1371 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1372 (integer division and modulus patterns): Split in default and
1374 (*divmodsi_internal, *divmoddi_internal): Disable for
1375 TARGET_ABI_UNICOSMK.
1376 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1377 little-endian and big-endian versions.
1378 (ext, ins, msk): Likewise.
1379 (extv, extzv, insv): Support big-endian mode.
1380 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1381 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1382 *tablejump_umk_internal, *call_value_umk): New.
1383 (*movdi_nofix): Add pattern for loading an address into a register on
1384 TARGET_ABI_UNICOSMK.
1385 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1386 (umk_mismatch_args, arg_home_umk): New.
1387 (various insns): Don't use mov, fmov, nop, fnop and unop.
1388 (realign): Support TARGET_ABI_UNICOSMK.
1390 * config/alpha/unicosmk.h: New file.
1391 * config/alpha/t-unicosmk: New file.
1393 * fixinc/inclhack.def (unicosmk_restrict): New.
1394 * fixinc/fixincl.x: Regenerate.
1396 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1397 (wchar_t): Check for and define __WCHAR_T__.
1399 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1401 * combine.c (simplify_shift_const): Treat shifts by the mode
1404 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1406 * cpphash.h (struct tokenrun): New.
1407 (struct cpp_context): New member bol.
1408 (struct cpp_reader): New members.
1409 (_cpp_init_tokenrun): New.
1410 * cppinit.c (cpp_create_reader): Set up the token runs.
1411 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1412 (lex_token): New internalised version of _cpp_lex_token. Don't
1413 handle directives or the multiple include opimisation here any
1414 more. Simply lex a token.
1415 * cpplib.c (run_directive): Clear bol.
1416 (_cpp_pop_buffer): Set bol.
1417 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1420 2001-09-11 Michael Meissner <meissner@redhat.com>
1422 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1423 give an error if the user uses -mfp32.
1424 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1426 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1427 floating point register size.
1428 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1430 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1431 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1433 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1434 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1436 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1438 * dbxout.c (dbxout_parms): Fix typo in comment.
1439 * unroll.c (loop_find_equiv_value): Ditto.
1440 * toplev.c (rest_of_compilation): Ditto.
1441 * loop.c (scan_loop): Ditto.
1442 * dwarf2out.c (struct dw_fde_struct): Ditto.
1444 2001-09-10 Zack Weinberg <zackw@panix.com>
1446 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1447 copying identifier when we're just going to throw it away.
1448 (parse_identifier_slow): New routine to handle abnormal cases.
1449 (_cpp_lex_token): Update call site.
1451 * hashtable.c (ht_lookup): Don't assume that the string we've
1452 been given is NUL-terminated.
1453 * system.h: #define __builtin_expect(a, b) to (a) if not
1456 2001-09-10 Michael Meissner <meissner@redhat.com>
1458 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1461 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1463 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1465 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1467 * builtins.c (c_getstr): Correct thinko in last change and further
1470 2001-09-10 Tim Freeman <tim@fungibole.com>
1472 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1473 into varray's and register them as roots with the garbage
1474 collector so they are not collected too soon.
1476 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1478 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1480 * basic-block.h (flow_obstack, label_value_list,
1481 tail_recursion_label_list): Declare
1482 (tidy_fallthru_edges): Declare.
1483 (expunge_block, last_loop_beg_note): Delete.
1484 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1486 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1487 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1488 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1489 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1490 expunge_block, flow_delete_block, compute_bb_for_insn,
1491 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1492 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1493 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1494 try_redirect_by_replacing_jump, last_loop_beg_note,
1495 redirect_edge_and_branch, redirect_edge_and_branch_force,
1496 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1497 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1498 commit_edge_insertions, dump_flow_info, debug_flow_info,
1499 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1500 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1501 Move here from flow.c
1502 * cfganal.c: New file.
1503 (forwarder_block_p, can_fallthru, mark_critical_edges,
1504 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1505 find_unreachable_blocks, create_edge_list, free_edge_list,
1506 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1507 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1508 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1509 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1510 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1511 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1512 Move here from flow.c
1513 * cfgbuild.c: New file
1514 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1515 make_edges, find_basic_blocks_1, find_basic_blocks,
1516 find_sub_basic_blocks): Move here from flow.c
1517 * cfgcleanup.c: New file.
1518 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1519 merge_blocks_move_predecessor_nojumps,
1520 merge_blocks_move_successor_nojumps, merge_blocks,
1521 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1522 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1523 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1525 * cfgloop.c: New file
1526 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1527 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1528 flow_loop_exit_edges_find, flow_loop_nodes_find,
1529 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1530 flow_loop_tree_node_add, flow_loops_tree_build,
1531 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1532 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1533 Move here from flow.c
1534 * flow.c: Remove everything moved elsewhere
1535 * output.h (cleanup_cfg): Return bool.
1537 * bb-reorder.c (reorder_block_def): Remove 'index'.
1538 (insert_intra_1): Add argument BB, set block for new note.
1539 (make_reorder_chain): Do not depdent on BB indexes.
1540 (make_reorder_chain_1): Do not use BB indexes.
1541 (label_for_bb): Likewise; set BB for new insn.
1542 (emit_jump_to_block_after): Likewise.
1543 (fixup_reoder_chain): Sanity check that all basic blocks
1544 are chained; verify newly created insn chain; remove
1545 undocnitional jump simplifying; Do not use BB indexes;
1546 properly initialize count and frequency information;
1547 dump reordered sequence.
1548 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1549 (insert_inter_bb_scope_notes): Set block for new insn.
1550 (reorder_basic_blocks): Dump flow info before reoredering.
1552 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1554 * alias.c (clear_reg_alias_info): Use K&R format definition.
1555 Avoid unsigned warning.
1556 * builtins.c: Use "unsigned int", not "unsigned".
1557 (target_char_cast): Use host_integerp and tree_low_cst.
1558 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1559 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1560 (c_getstr): Likewise.
1561 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1562 (builtin_memcpy_read_str): Avoid unsigned warning.
1563 (expand_builtin_memcpy): Alignments are unsigned.
1564 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1565 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1566 * predict.c (expensive_function_p): LIMIT now unsigned.
1567 * resource.c (mark_target_live_regs): Make some vars unsigned.
1568 * sdbout.c: Use "unsigned int", not "unsigned".
1569 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1570 (sdbout_source_line): Likewise.
1571 (sdbout_record_type_name): Remove "const" for NAME declaration.
1572 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1574 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1576 * calls.c (store_one_arg): Expand comment.
1578 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1580 * calls.c (store_one_arg): Make sure that the entire argument is
1581 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1583 2001-09-09 Richard Henderson <rth@redhat.com>
1585 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1587 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1589 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1591 2001-09-09 Richard Henderson <rth@redhat.com>
1593 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1594 (alpha_this_literal_sequence_number): New.
1595 (alpha_this_gpdisp_sequence_number): New.
1596 (some_operand, input_operand): Add HIGH.
1597 (local_symbolic_operand): New.
1598 (alpha_encode_section_info): New.
1599 (alpha_legitimate_address_p): Allow LO_SUM.
1600 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1601 (alpha_expand_mov): Likewise.
1602 (secondary_reload_class): Check memory_operand not general_operand
1604 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1605 (alpha_expand_unaligned_store): Likewise.
1606 (alpha_expand_unaligned_load_words): Likewise.
1607 (alpha_expand_unaligned_store_words): Likewise.
1608 (alpha_expand_block_clear): Likewise.
1609 (print_operand): Handle %#, %*, %H.
1610 (print_operand_address): Handle LO_SUM.
1612 (alpha_does_function_need_gp): Use it.
1613 (alpha_expand_block_move): Fix signed compare warnings.
1614 (alpha_sa_mask, alpha_align_insns): Likewise.
1615 * config/alpha/alpha-protos.h: Update.
1616 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1617 (MASK_EXPLICIT_RELOCS): New.
1618 (TARGET_SWITCHES): Add -mexplicit-relocs.
1619 (EXTRA_CONSTRAINT): Add 'T'.
1620 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1621 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1622 (ENCODE_SECTION_INFO): Out line.
1623 (REDO_SECTION_INFO_P): New.
1624 (STRIP_NAME_ENCODING): New.
1625 (ASM_OUTPUT_LABELREF): New.
1626 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1627 (PREDICATE_CODES): Update.
1628 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1629 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1630 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1631 builtin_setjmp_receiver_er, exception_receiver_1_er,
1632 call_value_osf_1_er): New patterns.
1633 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1634 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1635 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1636 (FINAL_PRESCAN_INSN): New.
1638 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1640 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1642 2001-09-08 Andreas Jaeger <aj@suse.de>
1644 * i386.h (TARGET_SWITCHES): Fix description.
1646 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1648 * rs6000.c (num_insns_constant): Compute number of instructions
1651 * doc/install.texi: Explain AIX exception handling work-around.
1652 Update URL for AIX fixes.
1654 2001-09-07 Jim Wilson <wilson@redhat.com>
1656 * alias.c (clear_reg_alias_info): New.
1657 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1658 * rtl.h (clear_reg_alias_info): Declare.
1660 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1662 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1664 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1665 (m16m,edivm,emulm): Change declaration to match definition.
1667 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1669 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1670 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1673 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1675 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1676 which have no corresponding C type.
1677 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1678 the representation of 64-bit doubles to work with 64-bit ints.
1680 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1682 * config/mips/mips.c (override_options): Do not override ISA when ABI
1683 specified if MIPS_CPU_STRING_DEFAULT was specified.
1685 2001-09-07 Richard Henderson <rth@redhat.com>
1687 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1688 (express_from_1): Wrap lines.
1689 * rtlanal.c (commutative_operand_precedence): Rename from
1690 operand_preference; export.
1691 * rtl.h: Declare it.
1692 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1693 (simplify_binary_operation): Invoke simplify_plus_minus on
1694 (CONST (PLUS ...)) as well.
1695 (struct simplify_plus_minus_op_data): New.
1696 (simplify_plus_minus_op_data_cmp): New.
1697 (simplify_plus_minus): Use them. Avoid infinite recursion with
1698 simplify_binary_operation wrt CONST.
1700 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1702 * h8300-protos.h (general_operand_dst_push): Remove.
1703 * h8300.c (general_operand_dst_push): Likewise.
1704 * h8300.h (OK_FOR_T): Likewise.
1705 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1706 * h8300.md (pushqi_h8300): New.
1707 (pushqi_h8300hs): Likewise.
1709 (pushhi_h8300): Likewise.
1710 (pushhi_h8300hs): Likewise.
1713 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1715 * genattrtab.c (attr_printf): First arg is unsigned.
1716 Clean up formatting of callers.
1718 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1720 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1723 2001-09-07 Andreas Jaeger <aj@suse.de>
1725 * i386.h (TARGET_SWITCHES): Fix descriptions.
1727 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1729 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1731 2001-09-06 Ira Ruben <ira@apple.com>
1733 Remove OP_IDENTIFIER.
1734 * tree.def (OP_IDENTIFIER): Remove.
1735 * tree.c (tree_node_kind enum): Remove op_id_kind.
1736 (tree_node_kind_names): Remove "op_identifiers".
1737 (make_node): Remove OP_IDENTIFIER test.
1738 (build_op_identifier): Removed because it isn't being used.
1739 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1740 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1742 2001-09-06 Richard Henderson <rth@redhat.com>
1744 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1746 2001-09-06 Richard Henderson <rth@redhat.com>
1748 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1751 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1753 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1754 number used for CR register.
1756 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1757 Joern Rennecke (amylaar@cygnus.com)
1759 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1760 * h8300.c (initial_offset): Handle offset between RP and FP.
1761 (h8300_return_addr_rtx): New function.
1762 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1764 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1765 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1766 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1767 (CAN_ELIMINATE, REGISTER_NAMES):
1768 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1770 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1772 Remove TYPE_NONCOPIED_PARTS.
1773 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1774 (struct tree_type): Remove noncopied_parts.
1775 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1776 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1777 (fixed_type_p): Remove.
1778 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1779 (expand_expr, MODIFY_EXPR): Likewise.
1780 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1781 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1783 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1785 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1787 (mask64_operand): Likewise.
1788 (includes_rldic_lshift_p): Likewise.
1789 (includes_rldicr_lshift_p): Likewise.
1791 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1793 * objc/objc-act.c (build_message_expr): If a class method cannot
1794 be found, do not issue a warning if a corresponding instance
1795 method exists in the root class.
1797 2001-09-05 Richard Henderson <rth@redhat.com>
1799 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1801 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1803 * function.c (ggc_mark_struct_function): Mark f->outer.
1804 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1805 * integrate.c (output_inline_function): ... not here.
1807 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1809 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1811 * i386.c (size_cost): New static variable.
1812 (override_function): Use size_cost when -Os is specified.
1814 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1815 properly; Use current_function_calls_eh_return.
1816 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1817 use leave to avoid depdendancy chain.
1819 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1820 get BB loop_depth instead of computing it from LOOP notes.
1822 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1824 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1826 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1827 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1828 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1830 2001-09-05 Jeffrey A Law (law@cygnus.com)
1831 Jason Merrill (jason@redhat.com)
1833 * stor-layout.c (layout_type): Complain if an array's size can
1834 not be represented in a size_t.
1836 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1838 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1840 * gcc.c: (process_command) Add parentheses around assignment
1841 used as truth value.
1843 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1845 * config/mips/mips.c (save_restore_insns): Don't mark any register
1846 save slots as unchanging if current_function_calls_eh_return.
1848 2001-09-05 Richard Henderson <rth@redhat.com>
1850 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1851 * config/alpha/alpha-protos.h: Declare it.
1852 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1853 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1854 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1855 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1856 (REG_OK_FOR_BASE_P): Select one of the above.
1858 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1860 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1861 (crti.o): Prefix name of object file with $(T).
1864 2001-09-05 David S. Miller <davem@redhat.com>
1866 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1867 * config/sparc/linux64.h: Likewise.
1869 2001-09-05 Andreas Jaeger <aj@suse.de>
1871 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1872 available anymore, remove the documentation.
1873 (i386 Options): Fix typo, cleanup index entries.
1875 * prefix.c (concat): Remove, we can use the version from liberty.
1877 2001-09-05 Richard Henderson <rth@redhat.com>
1879 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1880 New functions split out of md file expanders.
1881 * config/alpha/alpha-protos.h: Declare them.
1882 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1884 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1886 * cppmacro.c (funlike_invocation_p): No need to restore context.
1888 2001-09-04 Richard Henderson <rth@redhat.com>
1890 * reload.c (push_reload): Export.
1891 * reload.h (push_reload): Declare it.
1893 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1894 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1895 * config/alpha/alpha.c (alpha_legitimize_address): New.
1896 (alpha_legitimize_reload_address): Likewise.
1897 * config/alpha/alpha-protos.h: Declare them.
1899 2001-09-04 Stan Shebs <shebs@apple.com>
1901 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1902 * config/darwin.c (machopic_stub_name): Account for internally
1903 generated lib calls such as memcpy.
1905 2001-09-04 Richard Henderson <rth@redhat.com>
1907 * unwind.h (_UA_END_OF_STACK): New flag.
1908 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1910 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1912 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1914 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1916 * config/mips/mips.c (save_restore_insns): Change base_offset to
1917 fp_offset in second call to mips_emit_frame_related_store.
1919 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1921 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1922 sometimes be represented as a NOTE of type
1923 NOTE_INSN_DELETED_LABEL.
1924 (Insns): Document NOTE_INSN_DELETED_LABEL.
1926 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1928 * c-common.h (tree_dump_index): Add more comments.
1929 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1930 (dump_option_value_info): New struct.
1931 (dump_options): New array.
1932 (dump_switch_p): Parse switch options symbolically.
1933 * doc/invoke.texi (-fdump-ast): Rename to ...
1934 (-fdump-tree): ... here. Document that options are symbolic, and
1935 not all are applicable.
1937 2001-09-04 David S. Miller <davem@redhat.com>
1939 * config/sparc/sparc.md (define_splits): Kill constraints.
1941 Cleanup redundant and unused insn attributes.
1942 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1943 binary, and move. Mark ialu as default.
1944 (commented out define_function_unit "alu"): Kill.
1945 (define_attr "use_clobbered"): Kill.
1946 (whole file): Kill address insn type references. Replace
1947 all unary/binary/move references with ialu.
1948 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1949 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1952 Simplify length insn attribute and make more judicious use
1953 of insn attribute defaulting.
1954 * config/sparc/sparc.md (all insns with length > one): Mark as
1955 insn type multi if real instructions, else use default if
1956 it is a forced splitter.
1957 (all insns with length == one): Use default insn length.
1958 (all insns of type ialu): Use default insn type.
1960 Fix erroneous insn attribute settings.
1961 (addx): Set insn type to misc.
1962 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1963 const_umulsidi3_sp64): Set insn type to imul.
1965 Track SFmode vs DFmode insns according to UltraSPARC
1967 * config/sparc/sparc.md ("fptype"): New attribute, default
1969 (all DFmode single insns): Mark as fptype "double".
1971 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1973 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1975 2001-09-03 Richard Henderson <rth@redhat.com>
1977 * function.h (struct function): Add arg_pointer_save_area_init.
1978 * function.c (expand_function_end): Init arg_pointer_save_area.
1979 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1980 when called from a nested function.
1982 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1984 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1987 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1989 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1991 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1993 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1994 (emit_push_insn): Use specified padding direction when
1995 STACK_PUSH_CODE is POST_INC.
1997 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1999 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2001 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2003 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2005 * cppinit.c (cpp_start_read): Free the imacros list as we
2006 traverse it. Don't free the chains before returning.
2007 (_cpp_push_next_buffer): Only try pushing buffers if we've
2008 completed -imacros handling.
2010 2001-08-31 Eric Christopher <echristo@redhat.com>
2012 * gcc.c (handle_braces): Add explaination for abort.
2014 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2016 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2017 move adjustment of bitpos instead.
2019 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2021 * function.c: Remove all_functions. Make outer_function_chain
2023 (init_function_start): Don't add new function structure to
2025 (find_function_data, push_function_context_to,
2026 pop_function_context_from, put_var_into_stack,
2027 trampoline_address): Update for changed structure element names.
2028 (push_function_context_to): Disentangle.
2029 (free_after_compilation): Also free F.
2030 (expand_dummy_function_end): Don't free cfun here.
2031 (put_var_into_stack): Comment why we can't use find_function_data here.
2032 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2033 (mark_function_chain): Split into maybe_mark_struct_function and
2034 ggc_mark_struct_function. Export the latter.
2035 (init_function_once): Mark from cfun and outer_function_chain;
2038 * function.h (struct function): Kill next_global. Rename next
2039 to outer. All users updated to match.
2040 (all_functions, outer_function_chain): Don't declare.
2042 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2043 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2044 don't touch f->inlinable, after calling rest_of_compilation.
2046 * tree.h: Forward-declare struct function. Prototype
2047 ggc_mark_struct_function.
2049 2001-08-31 Kazu Hirata <kazu@hxi.com>
2051 * config/h8300/h8300.md (*andorhi3): Fix typos.
2053 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * calls.c (emit_library_call_value): Don't use a fixed
2056 argument after VA_CLOSE, i.e. out of scope in traditional C.
2058 * emit-rtl.c (gen_rtvec): Likewise.
2060 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * Makefile.in (c-pragma.o): Depend on output.h.
2063 (reorg.o): Depend on except.h.
2065 * c-pragma.c: Include output.h.
2067 * reorg.c: Include except.h.
2069 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2071 2001-08-31 Richard Henderson <rth@redhat.com>
2073 * sched-deps.c (add_dependence): Don't elide dependancy if the
2074 conditional used by insn is modified in elem.
2076 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2078 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2080 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2082 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2085 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2087 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2089 (stormy16_asm_out_constructor): New function.
2090 (TARGET_ASM_CONSTRUCTOR): Define.
2091 (TARGET_ASM_DESTRUCTOR): Define.
2093 2001-08-31 Andreas Jaeger <aj@suse.de>
2095 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2096 * loop.c (add_label_notes): Likewise.
2097 * reload.c (find_reloads): Likewise.
2098 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2100 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2102 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2103 code here. Take _Unwind_{W,Sw}ord*.
2104 (read_encoded_value_with_base): Use them.
2105 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2107 (extract_cie_info): Simplify read_?leb128 handling.
2108 (execute_stack_op, execute_cfa_program): Likewise.
2109 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2111 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2113 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2114 the frame pointer to pop the stack if convenient.
2116 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2117 Don't use post-increment before combine.
2118 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2119 a call-saved register.
2121 2001-08-31 Andreas Jaeger <aj@suse.de>
2123 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2126 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2128 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2129 not DIV/MOD, of course.
2131 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2133 * rtl.def: Undo my patch commited 2001-08-27.
2135 * genattrtab.c: Ditto.
2139 * sched-int.h: Ditto.
2141 * target-def.h: Ditto.
2145 * haifa-sched.c: Ditto.
2147 * sched-rgn.c: Ditto.
2149 * sched-vis.c: Ditto.
2151 * Makefile.in: Ditto.
2153 * doc/md.texi: Ditto.
2155 * doc/tm.texi: Ditto.
2157 * doc/contrib.texi: Ditto.
2159 * doc/gcc.texi: Ditto.
2161 * genattrtab.h: Remove it.
2163 * genautomata.c: Remove it.
2165 * genattr.c: Undo my patch and Richard Henderson's patch commited
2168 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2170 * config.gcc (h8300-*-elf*): New case.
2171 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2172 (SUBTARGET_CPP_SPEC): Define.
2173 (EXTRA_SPECS): Define.
2174 (SUBTARGET_EXTRA_SPECS): Define.
2175 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2176 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2178 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2180 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2181 (LIB2FUNCS_EXTRA): Define.
2182 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2183 config/h8300/fixunssfsi.c: New file.
2185 2001-08-30 Kazu Hirata <kazu@hxi.com>
2187 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2188 define_expand to accomodate target-specific attributes.
2189 (anonymous zero_extendqihi2 patterns): New.
2191 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2193 * h8300.md (*andorhi3): New pattern.
2195 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2197 * h8300.c (dosize): Fix test for "sub".
2199 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2201 * c-typeck.c (pointer_diff): Try to eliminate common term before
2204 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2206 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2207 Account for the saves of the FP registers.
2209 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2210 (TEXT_SECTION_ASM_OP): Define.
2211 (INIT_SECTION_ASM_OP): Define.
2212 (FINI_SECTION_ASM_OP): Define.
2213 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2214 (RDATA_SECTION_FUNCITON): Provide prototype.
2216 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2218 * reload1.c (move2add_note_store): Correct typo checking for
2221 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2223 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2224 note should not be considered outside the libcall block.
2226 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2228 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2230 2001-08-29 Kazu Hirata <kazu@hxi.com>
2232 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2234 2001-08-29 Kazu Hirata <kazu@hxi.com>
2236 * config/h8300/h8300-protos.h: Add a prototype for
2238 * config/h8300/h8300.c (emit_logical_op): New.
2239 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2246 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2248 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2249 comparison with rtx INTVAL.
2250 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2252 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2254 2001-08-29 Kazu Hirata <kazu@hxi.com>
2256 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2259 2001-08-29 Kazu Hirata <kazu@hxi.com>
2261 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2262 (reg n) to (mem (pre_dec (reg n))
2263 (anonymous movsi pattern): Likewise.
2265 2001-08-29 Kazu Hirata <kazu@hxi.com>
2267 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2269 2001-08-29 Kazu Hirata <kazu@hxi.com>
2271 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2272 several special constants.
2274 2001-08-29 Kazu Hirata <kazu@hxi.com>
2276 * config/h8300/lib1funcs.asm: Fix comment typos.
2278 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2281 Fix format specifier warnings.
2283 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2284 inet_makeaddr, semctl): Prototype.
2286 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2287 (save_restore_insns): Use base_offset, not gp_offset.
2289 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2290 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2292 2001-08-29 Richard Henderson <rth@redhat.com>
2294 * bb-reorder.c (function_tail_eff_head): New.
2295 (record_effective_endpoints): Set it.
2296 (fixup_reorder_chain): Use it.
2298 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2300 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2302 2001-08-28 Dale Johannesen <dalej@apple.com>
2304 * config/darwin.c (machopic_function_base_name): Add const
2305 qualifier to a string.
2306 (darwin_encode_section_info): Ditto.
2308 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2310 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2311 function definition.
2313 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2315 * df.h (struct df): Add rts_order variable.
2317 * df.c (df_visit_next_rts): New function.
2318 (df_visit_next): Renamed to df_visit_next_rc
2319 (df_analyse_1): Allocate/compute/free rts_order as well.
2320 (df_rd_global_compute): Use df_visit_next_rc instead of
2322 (df_ru_global_compute): Use df_visit_next_rts instead of
2325 * flow.c (flow_reverse_top_sort_order_compute): New function.
2327 * basic-block.h: Add prototype.
2329 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2331 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2332 blocks, the BB_REACHABLE is now set, rather than aux being
2333 non-NULL. Update the test to reflect this.
2335 2001-08-28 Eric Christopher <echristo@redhat.com>
2337 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2338 config/mips/crti.asm: Ditto.
2340 2001-08-28 Eric Christopher <echristo@redhat.com>
2341 Richard Henderson <rth@redhat.com>
2343 * c-pragma.h (add_weak): Move prototype from here...
2344 * output.h (add_weak): ... to here.
2345 * varasm.c (add_weak): Fix typo.
2346 * config/mips/crti.asm: New file.
2347 * config/mips/crtn.asm: Ditto.
2348 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2349 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2350 (INVOKE__main): Ditto.
2351 (INIT_SECTION_ASM_OP): New.
2352 (FINI_SECTION_ASM_OP): Ditto.
2353 (STARTFILE_SPEC): Add crti.
2354 (ENDFILE_SPEC): Add crtn.
2355 * config/mips/elf64.h: Same.
2356 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2358 * config/mips/vxworks.h: Ditto.
2359 * config/mips/t-elf: Support crti and crtn.
2361 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2363 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2366 2001-08-28 Richard Henderson <rth@redhat.com>
2368 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2369 (one_cmplbi2 splitter): Remove redundant test.
2371 2001-08-28 Dale Johannesen <dalej@apple.com>
2373 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2375 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2377 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2379 2001-08-28 Stan Shebs <shebs@apple.com>
2381 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2382 (UNALIGNED_SHORT_ASM_OP): Define.
2383 (UNALIGNED_INT_ASM_OP): Define.
2385 2001-08-28 Will Cohen <wcohen@redhat.com>
2387 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2388 generation for first set.
2390 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2392 * flow.c (redirect_edge_succ_nodup): Return new edge.
2393 (try_simplify_condjump): Use new edge.
2394 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2396 * cse.c (cse_basic_block): Skip note instructions.
2398 2001-08-27 Richard Henderson <rth@redhat.com>
2400 * combine.c (combine_simplify_rtx): Don't reverse condition
2401 if there is no reverse for the condition.
2402 (simplify_comparison): Don't simplify subregs from INT to FP.
2404 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2405 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2406 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2407 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2408 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2409 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2411 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2413 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2414 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2416 (adddi_dilshr32, adddi_dishl32): Only data register can be
2417 source for mem destination.
2419 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2420 and use bitnum to decide about register move.
2422 2001-08-27 Richard Henderson <rth@redhat.com>
2424 * genattr.c (main): Emit state_t even when not doing scheduling.
2426 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2427 Richard Henderson <rth@redhat.com>
2429 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2430 (reg_avail_info, current_bb): ... these.
2431 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2432 (compute_hash_table): Likewise.
2434 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2436 * flow.c (verify_flow_info): Use checksums to verify edges.
2438 2001-08-27 Richard Henderson <rth@redhat.com>
2440 * genautomata.c (expand_automata): Always create a description.
2442 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2444 * optabs.c (expand_binop): Correctly handle the carry in multiword
2445 add/subtract operations.
2447 2001-08-27 Fred Fish <fnf@be.com>
2449 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2452 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2454 * reload.c (find_reloads_toplev): Back out this change:
2456 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2458 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2459 mem if the address is a mode_dependent_address_p.
2461 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2463 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2464 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2465 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2468 * genattr.c (main): New variable num_insn_reservations. Increase
2469 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2470 pipeline hazard recognizer interface.
2472 * genattrtab.h: New file.
2474 * genattrtab.c: Include genattrtab.h.
2475 (attr_printf, check_attr_test, make_internal_attr,
2476 make_numeric_value): Move protypes into genattrtab.h. Define them
2478 (num_dfa_decls): New global variable.
2479 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2480 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2481 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2482 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2484 * genautomata.c: New file.
2486 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2488 * sched-int.h: (curr_state): Add the external definition for
2489 automaton pipeline interface.
2490 (haifa_insn_data): Add comments for members blockage and units.
2492 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2493 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2494 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2495 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2496 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2497 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2498 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2500 (TARGET_SCHED): Use the new macros.
2502 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2503 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2504 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2505 dfa_bubble): New members in gcc_target.sched.
2507 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2508 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2509 (insn_queue): Redefine it as pointer to array.
2510 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2512 (max_insn_queue_index_macro_value): New variable.
2513 (curr_state, dfa_state_size, ready_try): New varaibles for
2514 automaton interface.
2515 (ready_element, ready_remove, max_issue): New function prototypes
2516 for automaton interface.
2517 (choose_ready): New function prototype.
2518 (insn_unit, blockage_range): Add comments.
2519 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2520 FUNCTION_UNITS_SIZE == 0.
2521 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2522 actual_hazard, potential_hazard): Add comments.
2523 (insn_cost): Use cost -1 as undefined value. Remove
2524 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2526 (ready_element, ready_remove): New functions for automaton
2528 (schedule_insn): Add new code for automaton pipeline interface.
2529 (queue_to_ready): Add new code for automaton pipeline interface.
2530 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2531 (debug_ready_list): Print newline when the queue is empty.
2532 (max_issue): New function for automaton pipeline interface.
2533 (choose_ready): New function.
2534 (schedule_block): Add new code for automaton pipeline interface.
2535 Print ready list before scheduling each insn.
2536 (sched_init): Add new code for automaton pipeline interface.
2537 Initiate insn cost by -1.
2538 (sched_finish): Free the current automaton state and finalize
2539 automaton pipeline interface.
2541 * sched-rgn.c: Include target.h.
2542 (init_ready_list, new_ready, debug_dependencies): Add new code for
2543 automaton pipeline interface.
2545 * sched-vis.c: Include target.h.
2546 (get_visual_tbl_length): Add code for automaton interface.
2547 (target_units, print_block_visualization): Add comments.
2549 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2550 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2551 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2552 (getruntime.o, genautomata.o): New entries.
2553 (genattrtab.o): Add new dependency file genattrtab.h.
2554 (genattrtab): Add new dependencies. Link it with `libm.a'.
2555 (getruntime.o, hashtab.o): New entries for canadian cross.
2557 * doc/md.texi: Description of automaton based model.
2559 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2561 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2562 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2563 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2564 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2565 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2566 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2567 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2569 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2570 MAX_DFA_ISSUE_RATE): New macro descriptions.
2572 * doc/contrib.texi: Add dfa based scheduler contribution.
2574 * doc/gcc.texi: Add more information about genattrtab.
2576 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2578 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2581 2001-08-27 Richard Henderson <rth@redhat.com>
2583 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2584 (get_arg_pointer_save_area): New. Create an init it here.
2585 (fix_lexical_addr): Use it.
2586 * function.h: Declare it.
2587 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2588 * stmt.c (expand_nl_goto_receiver): Use it.
2590 2001-08-27 Richard Henderson <rth@redhat.com>
2592 * final.c (final_scan_insn): Don't enter APP_ON mode for
2595 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2596 alignment for assemble_integer for DW_EH_PE_aligned.
2597 * except.c (output_function_exception_table): Likewise.
2599 2001-08-26 Andreas Jaeger <aj@suse.de>
2601 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2603 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2605 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2607 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2609 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2611 (mask64_operand): Likewise.
2612 (rldic_operand): Delete.
2613 (includes_lshift64_p): Delete.
2614 (includes_rldic_lshift_p): New function.
2615 (includes_rldicr_lshift_p): New function.
2616 (print_operand): Don't call rldic_operand in case 'W'.
2617 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2618 (includes_lshift64_p): Remove.
2619 (includes_rldic_lshift_p): Declare.
2620 (includes_rldicr_lshift_p): Declare.
2621 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2622 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2623 Replace match_operand rldic_operand predicate with
2624 const_int_operand. Replace includes_lshift64_p condition with
2625 includes_rldic_lshift_p.
2626 <ashldi3_internal 64 bit rldicr patterns>: New.
2628 2001-08-27 Andreas Jaeger <aj@suse.de>
2630 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2631 * errors.c: Likewise.
2632 * final.c: Likewise.
2633 * dwarf2asm.c: Likewise.
2634 * doprint.c (checkit): Likewise.
2635 * diagnostic.c: Likewise.
2636 * collect2.c: Likewise.
2637 * calls.c: Likewise.
2638 * c-semantics.c (build_stmt): Likewise.
2639 * c-format.c (status_warning): Likewise.
2640 * c-errors.c (pedwarn_c99): Likewise.
2641 * builtins.c (validate_arglist): Likewise.
2642 * config/pj/pj.c (pj_printf): Likewise.
2643 * fix-header.c: Likewise.
2645 * gcov.c (fnotice): Likewise.
2646 * gensupport.c (message_with_line): Likewise.
2647 * mips-tfile.c: Likewise.
2648 * protoize.c (notice): Likewise.
2649 * read-rtl.c (fatal_with_file_and_line): Likewise.
2650 * rtl-error.c: Likewise.
2651 * tradcpp.c: Likewise.
2653 * cp/tree.c (build_min_nt): Likewise.
2654 (build_min): Likewise.
2655 * cp/lex.c: Likewise.
2656 * cp/errfn.c: Likewise.
2657 * cp/rtti.c (create_pseudo_type_info): Likewise.
2659 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2661 * df.c (df_uses_record): Return after recording all uses
2664 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2666 * df.c (df_insn_modify): Realloc the INSN table here, if
2667 necessary, here, too.
2669 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2671 * config/mips/mips.c (mips_function_value): Handle complex return
2674 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2676 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2678 * reload.c (make_memloc): Copy result if it is still
2679 reg_equiv_memory_loc[regno] on return.
2680 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2681 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2682 reg_equiv_mem are modified by the substitutions.
2684 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2686 * predict.c (expensive_function_p): New.
2687 * rtl.h (expensive_function_p): Declare.
2688 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2689 (use_fast_prologue_epilogue): New static variable.
2690 (expand_prologue): Set it; emit short prologues if unset.
2691 (expand_epilogue): Likewise.
2693 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2695 * config.gcc: Add stormy16-*-elf case.
2696 * config/stormy16/stormy-abi: New file.
2697 * config/stormy16/stormy16-lib2.c: New file.
2698 * config/stormy16/stormy16-protos.h: New file.
2699 * config/stormy16/stormy16.c: New file.
2700 * config/stormy16/stormy16.h: New file.
2701 * config/stormy16/stormy16.md: New file.
2702 * config/stormy16/t-stormy16: New file.
2704 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2706 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2708 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2710 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2711 descriptor members are pointer size, not constant 4.
2712 * config/rs6000/rs6000.md (define_splits): Remove more unused
2715 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2719 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2721 * cp/rtti.c (VPARAMS): Fix parameter.
2723 2001-08-24 Zack Weinberg <zackw@panix.com>
2725 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2727 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2729 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2730 in if controlling use of insv.
2731 (extract_bit_field): Likewise, for extv and extzv.
2733 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2735 * i386.md (movcc peep2): Fix load of 0.
2737 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2739 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2740 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2742 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2744 * c-pragma.h: Move weak_syms and weak_decls...
2745 * varasm.c: ...here. Now static.
2746 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2747 depend on HANDLE_PRAGMA_WEAK.
2749 * c-common.c (c_alignof, c_alignof_expr): Move here...
2750 * c-typeck.c: ...from here.
2751 * c-tree.h, c-common.h: Adjust.
2753 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2755 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2756 instead of incrementing it.
2758 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2759 asm ready, don't try to move them all into the same array element.
2761 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2763 * function.c (thread_prologue_and_epilogue_insns): Avoid
2764 fallthru flag on edge to exit.
2766 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2768 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2771 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2773 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2774 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2775 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2778 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2780 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2781 replace "GNU CC" with "GCC".
2783 2001-08-23 Richard Henderson <rth@redhat.com>
2785 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2786 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2787 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2788 Need GR between FR and not GR_AND_FR.
2789 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2790 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2791 AR regs before GR regs.
2792 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2793 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2794 (REGISTER_MOVE_COST): Update.
2795 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2797 2001-08-23 Richard Henderson <rth@redhat.com>
2799 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2802 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2804 * reload1.c (emit_reload_insns): Don't look for notes
2805 on a NULL store_insn.
2807 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2809 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2810 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2811 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2812 format specifier warnings.
2813 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2815 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2817 * config/i386/i386-protos.h: Correct declaration of
2818 i386_pe_asm_named_section.
2820 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2822 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2824 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2826 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2828 * cpperror.c (print_location): Don't show _Pragma.
2829 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2830 and file change callback generation here.
2831 (stack_include_file): Update use of cpp_push_buffer.
2832 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2833 (struct cpp_buffer): Remove type, pfile members.
2834 * cppinit.c (cpp_handle_option): Use free_chain.
2835 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2836 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2837 a cpp_reader rather than a cpp_buffer.
2838 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2839 skip_line_comment, parse_string, lex_percent, lex_dot,
2840 _cpp_lex_token): Update accordingly.
2841 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2843 (cpp_push_buffer): Update prototype.
2844 (run_directive): Update use of cpp_push_buffer.
2845 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2846 handle_assertion): Update use of run_directive.
2847 * cpplib.h (enum cpp_buffer_type): Remove.
2848 (cpp_push_buffer): Update prototype.
2849 * fix-header.c (read_scan_file): Update.
2851 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2853 * gcc.c (struct prefix_list): Change prefix to const char *.
2855 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2857 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2859 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2861 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2864 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2867 * ifcvt.c (dead_or_predicable): Adjust.
2868 * loop.c (find_and_verify_loops): Adjust.
2869 * stmt.c (expand_end_case): Adjust.
2870 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2871 head and end insn pointers in the basic block, not just local copies.
2872 (merge_blocks_move_predecessor_nojumps): Likewise.
2874 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2876 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2877 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2878 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2879 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2880 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2881 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2882 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2883 conditions.h, config.gcc, configure.frag, configure.in,
2884 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2885 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2886 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2887 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2888 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2889 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2890 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2891 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2892 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2893 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2894 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2895 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2896 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2897 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2898 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2899 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2900 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2901 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2902 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2903 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2904 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2905 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2906 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2907 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2908 params.h, predict.c, predict.def, predict.h, prefix.c,
2909 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2910 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2911 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2912 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2913 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2914 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2915 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2916 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2917 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2918 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2919 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2920 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2921 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2922 xcoffout.h: replace "GNU CC" with "GCC".
2924 2001-08-21 Richard Henderson <rth@redhat.com>
2926 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2927 (final_scan_insn): Consider jump tables data even if we have no
2928 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2930 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2931 (ASM_OUTPUT_CASE_END): Remove.
2932 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2933 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2934 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2936 2001-08-21 Richard Henderson <rth@redhat.com>
2938 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2939 at barrier insns. Emit stop bits before barriers.
2941 * flow.c (flow_find_cross_jump): Don't consider unconditional
2942 return insns for commoning.
2944 * final.c (compute_alignments): Fix typo.
2946 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2947 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2948 (store_bit_field): Use mode_for_extraction more places.
2949 (extract_bit_field): Likewise.
2951 2001-08-21 Zack Weinberg <zackw@panix.com>
2953 * caller-save.c: Don't include insn-codes.h.
2954 (reg_save_code, reg_restore_code): Make arrays of int.
2955 All uses updated to match.
2956 (insert_save, insert_restore): No need to initialize "code"
2957 variable upon declaration.
2958 * Makefile.in: update dependencies; fix typo in clean rule.
2960 2001-08-21 Richard Henderson <rth@redhat.com>
2962 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2963 (merge_if_block): Handle fallout from same.
2965 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2967 * builtins.c (type_to_class): Fix typo in last change.
2969 2001-08-21 Richard Henderson <rth@redhat.com>
2971 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2972 ia64_asm_output_label.
2974 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2975 copy of gp while the real gp register contains garbage.
2977 2001-08-21 Zack Weinberg <zackw@panix.com>
2979 * expmed.c (mode_for_extraction): New function.
2980 (store_bit_field, extract_bit_field): Use it.
2981 * expr.h: Prototype it and provide an enum for its first argument.
2983 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2984 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2985 and digging through the insn_data tables.
2986 * Makefile.in: Update dependencies.
2988 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2990 * cppfiles.c (stack_include_file): line-map.c now handles include
2992 (handle_missing_handler): Similarly.
2993 (_cpp_execute_include): Similarly.
2994 (_cpp_pop_file_buffer): Similarly.
2995 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2996 buffer_stack_depth and include_depth.
2997 * cpplib.c (do_include_common): line-map.c now handles include depth.
2998 (cpp_push_buffer): Similarly.
2999 (_cpp_pop_buffer): Similarly.
3000 * cppmacro.c (builtin_macro): Update.
3001 * line-map.c (init_line_maps): Set depth.
3002 (add_line_map): Increment "used" earlier. Update and use the
3004 (trace_include): Use the include depth.
3005 * line-map.h (struct line_maps): New member depth.
3007 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3009 * cppfiles.c (stack_include_file): Don't handle -H here.
3010 * cppinit.c (cpp_start_read): Set include tracing after
3011 cpp_post_options and after stacking the main file.
3012 * line-map.c (trace_include): New.
3013 (init_line_maps, add_line_map): Update.
3014 * line-map.h (struct line_maps): New member trace_includes.
3016 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3018 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3019 * cppfiles.c (stack_include_file): Only stack a file if there
3020 is something to do. Return a boolean indicating whether a
3021 buffer was stacked or not.
3022 (_cpp_execute_include): Similarly.
3023 (_cpp_read_file): Similarly.
3024 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3026 2001-08-21 Sam Steingold <sds@gnu.org>
3028 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3029 (RECACHE): keep obufp_before_macroname up to date
3031 2001-08-21 Zack Weinberg <zackw@panix.com>
3033 * stmt.c: Don't include insn-codes.h.
3034 (expand_end_case): Machine specific logic moved to expr.c.
3035 No need to worry about __builtin_classify_type.
3036 (check_for_full_enumeration_handling, emit_case_nodes):
3039 * builtins.o (expand_builtin_classify_type): Split up so code
3040 can be shared with fold_builtin_classify_type.
3041 (type_to_class, fold_builtin_classify_type): New functions.
3042 (fold_builtins): Handle __builtin_classify_type.
3044 * expr.c (do_tablejump): Now static.
3045 (case_values_threshold, try_casesi, try_tablejump): New;
3046 code mostly from stmt.c (expand_end_case).
3047 (expr.h): Update prototypes.
3049 * Makefile.in (stmt.o): Update dependencies.
3051 2001-08-21 Will Cohen <wcohen@redhat.com>
3053 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3054 declaration of variable i.
3055 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3056 declaration of variable i.
3058 2001-08-21 Richard Henderson <rth@redhat.com>
3060 * crtstuff.c: Fix thinko last change. Move list tails to start
3061 of CRT_END section. Tidy ifdefs.
3062 (__EH_FRAME_BEGIN__): Always static for ELF.
3063 (__do_global_ctors_1): Rename from __frame_dummy.
3064 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3065 name change; don't hide __EH_FRAME_BEGIN__.
3067 2001-08-21 Richard Henderson <rth@redhat.com>
3069 * gdbinit.in: Move break on exit after break on fancy_abort.
3071 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3074 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3076 * cpphash.h (_cpp_push_next_buffer): New.
3077 * cppinit.c (do_includes): Remove.
3078 (push_include, free_chain, _cpp_push_next_buffer): New.
3079 (cpp_start_read): Use them to rework command line option handling.
3080 (cpp_handle_option): Combine handling of -include and -imacros.
3081 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3082 appropriate. Always insert missing \n at EOF.
3083 * cpplib.c (start_directive): Get the directive position right.
3084 * cppmain.c (cb_file_change): Always print the first line, unless
3087 2001-08-20 Andreas Jaeger <aj@suse.de>
3089 * profile.c (compute_branch_probabilities): Remove extra new-line
3091 * flow.c (verify_flow_info): Likewise.
3093 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3095 * basic-block.h (basic_block): Add new field 'flags'.
3096 (BB_REACHABLE): Define.
3097 (expunge_block): Declare.
3098 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3099 (EXIT_BLOCK_PTR): Ditto.
3100 (expunge_block): Remove static declaration.
3101 (cleanup_cfg): Clear bb->aux on every basic block.
3102 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3103 computing reachability.
3104 (delete_unreachable_blocks): Delete block b if b->flags has
3107 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3109 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3111 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3113 * sparc.c (sparc_variable_issue): Fix typo in last change.
3115 2001-08-20 Richard Henderson <rth@redhat.com>
3117 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3119 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3121 * pa.h (RETURN_IN_MEMORY): Improve comment.
3123 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3125 * doc/invoke.texi (Profiling options): Clarify the interactions
3126 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3128 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3130 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3133 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3135 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3138 2001-08-20 Richard Henderson <rth@redhat.com>
3140 * final.c (end_final): Fix typo last change.
3142 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * cppinit.c (init_standard_includes): The returned buffer
3145 is already malloc-ed.
3146 * gcc.c (add_prefix): Similarly.
3147 * prefix.c (translate_name): Update to support clear buffer
3149 (update_path): Similarly. Be sure to free any newly allocated
3150 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3152 * prefix.h (update_path): Update prototype and document.
3153 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3154 up and update to new buffer ownership rules.
3155 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3157 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3159 * final.c (compute_alignments): New function.
3160 (init_insn_lengths): Do not care label_align.
3161 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3162 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3163 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3164 (shorted_branches): Realloc label_align array; do
3165 not call init_insn_lengths; Do not care about loop alignments.
3166 * output.h (compute_alignments): Declare.
3167 * toplev.c (rest_of_compilation): Call compute_alignments.
3168 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3170 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3171 change visited to tovisit.
3172 (propagate_freq): Use faster traversing algorithm.
3173 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3174 to tovisit; reverse meaning.
3176 * predict.c (struct block_info_def): Remove nvisited.
3177 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3178 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3180 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3182 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3183 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3184 (TARGET_FUSED_MADD): New.
3185 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3186 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3187 the multiply-add instructions.
3189 2001-08-19 Richard Henderson <rth@redhat.com>
3191 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3192 is aligned to pointer size.
3194 2001-08-19 Richard Henderson <rth@redhat.com>
3196 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3197 display markers during final schedule.
3199 2001-08-19 Richard Henderson <rth@redhat.com>
3201 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3203 2001-08-19 Richard Henderson <rth@redhat.com>
3205 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3207 (ASM_NAME_TO_STRING): Remove.
3208 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3209 in the same string. Remove support for expressions.
3211 2001-08-19 Richard Henderson <rth@redhat.com>
3213 * config/i386/i386.md (tablejump): Make an expander; handle
3214 pic relative addressing here.
3215 (tablejump_1): Rename from tablejump_pic.
3218 2001-08-19 Richard Henderson <rth@redhat.com>
3220 * regclass.c (fix_register): Fix typo.
3222 2001-08-18 Richard Henderson <rth@redhat.com>
3224 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3225 (struct _Unwind_Context): Expand br_loc to hold it.
3226 (uw_frame_state_for): Handle leaf functions better.
3227 (uw_update_reg_address): Update for br_loc change.
3229 2001-08-18 Richard Henderson <rth@redhat.com>
3231 * crtstuff.c: Move list heads before code that uses them.
3232 (__JCR_LIST__): Remove initial null.
3233 (frame_dummy, __frame_dummy): Do java registration here ...
3234 (__do_global_ctors_aux): ... not here.
3236 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3237 (__do_global_dtors_aux): Update to match.
3238 (__JCR_LIST__, __do_jv_register_classes): New.
3240 * config/ia64/crtend.asm (__JCR_END__): New.
3241 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3242 instead of an indirect LTOFF22 reloc.
3244 2001-08-18 Richard Henderson <rth@redhat.com>
3246 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3247 * regclass.c (init_reg_sets_1): Fix typo.
3248 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3249 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3250 (ia64_compute_frame_size): Make ar.unat live when in use.
3251 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3252 for ar.pfs; remove ar.unat handling.
3253 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3255 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3256 * config/ia64/ia64-protos.h: Update decls.
3257 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3258 (sibcall_pic): Likewise.
3260 2001-08-18 Richard Henderson <rth@redhat.com>
3262 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3263 pred_rel_mutex when searching for insn_group_barrier.
3264 * config/ia64/ia64.md (cycle_display): Combine the expander
3267 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3268 bit before asm as needed.
3270 2001-08-18 Richard Henderson <rth@redhat.com>
3272 * timevar.def (TV_MACH_DEP): New.
3273 * toplev.c (rest_of_compilation): Use it.
3274 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3276 2001-08-18 Zack Weinberg <zackw@panix.com>
3278 * unwind-dw2.c (execute_stack_op): Add default aborts to
3279 the inner switches to prevent warnings.
3281 2001-08-18 Richard Henderson <rth@redhat.com>
3283 * timevar.h (struct timevar_time_def): Change element type to float.
3284 (ticks_to_msec, clocks_to_msec): Likewise.
3285 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3286 (get_time): Likewise.
3287 (timevar_print): Adjust zero check and printing to match.
3289 2001-08-18 Zack Weinberg <zackw@panix.com>
3291 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3292 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3293 Eliminate overfull or underfull hboxes.
3295 2001-08-18 Zack Weinberg <zackw@panix.com>
3297 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3299 2001-08-18 Zack Weinberg <zackw@panix.com>
3301 * haifa-sched.c: Convert to target hooks. Macros replaced
3302 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3303 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3304 MD_SCHED_FINISH, and HAVE_cycle_display.
3305 * target-def.h (TARGET_SCHED_ADJUST_COST,
3306 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3307 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3308 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3309 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3310 New hook #defines to be overridden.
3311 (TARGET_SCHED): Bring them all together.
3312 (TARGET_INITIALIZER): Update.
3313 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3314 instead of 'struct rtx_def *' throughout.
3315 (struct sched): New set of hooks for the scheduler.
3316 * Makefile.in (haifa-sched.o): Depend on target.h.
3317 * doc/tm.texi: Document the new scheduler hooks, together in
3318 their own section, instead of scattered around.
3319 Fix a bunch of underfull/overfull hboxes.
3321 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3322 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3323 sparc.h: Don't define any of the old scheduler macros.
3325 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3326 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3327 sparc.c: Create hook functions from code extracted from
3328 corresponding target header, or make existing hooks static, as
3329 appropriate. Set the appropriate entries in targetm.
3331 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3332 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3333 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3334 Remove prototypes for functions which are now static.
3336 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3337 related gunk; the Haifa scheduler is now the only choice.
3339 2001-08-18 Zack Weinberg <zackw@panix.com>
3341 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3342 * genopinit.c: Put floating point divide insns in sdiv_optab.
3343 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3344 * config/gofast.h, config/c4x/c4x.h,
3345 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3346 config/pa/long_double.h, config/rs6000/sysv4.h,
3347 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3348 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3349 (init_optabs): Use init_optabv for overflow-trapping optabs.
3350 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3351 cmp_optab RTX codes so have_insn_for can find them.
3353 * optabs.c (expand_simple_binop, expand_simple_unop,
3354 have_insn_for, gen_sub3_insn): New interfaces.
3355 * expr.h: Prototype new functions.
3356 (enum optab_methods): Move here from optabs.h.
3358 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3359 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3360 Use new functions instead of working directly with optabs.
3361 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3362 unroll.c: Don't include optabs.h.
3363 * caller-save.c, combine.c, function.c, stmt.c: Just include
3364 insn-codes.h, not optabs.h.
3365 * Makefile.in: Update dependencies.
3367 * combine.c (make_compound_operation, simplify_comparison):
3368 Fix typos testing for this or that instruction.
3370 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3372 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3373 generating libgcc.a.
3375 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3377 * except.c (TYPE_HASH): Delete.
3379 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3382 * tree.c (TYPE_HASH): Delete.
3384 * tree.h (TYPE_HASH): Define.
3386 2001-08-18 Graham Stott <grahams@redhat.com>
3388 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3390 (adddi3_internal_2+2): Likewise.
3391 (eh_set_lr_di+1): Likewise.
3393 2001-08-17 Richard Henderson <rth@redhat.com>
3395 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3396 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3397 * dwarf2asm.c: ... here.
3398 * dwarfout.c: Remove them.
3400 * varasm.c (assemble_integer): Add align parameter.
3401 (assemble_real, output_constant, output_constructor): Likewise.
3402 * output.h: Update decls.
3403 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3404 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3405 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3406 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3407 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3410 * final.c (end_final): Abort profile block generation if we
3411 havn't layed it out properly.
3412 * output.h (assemble_eh_integer): Remove stale decl.
3413 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3415 (assemble_integer): Handle unaligned data.
3416 (assemble_real): Abort on unaligned data.
3417 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3419 (default_dtor_section_asm_out_destructor): Use assemble_align.
3420 (default_named_section_asm_out_constructor): Likewise.
3421 (default_ctor_section_asm_out_constructor): Likewise.
3422 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3423 (machopic_asm_out_destructor): Likewise.
3424 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3425 (nextstep_asm_out_destructor): Likewise.
3426 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3427 (vms_asm_out_destructor): Likewise.
3429 2001-08-17 Richard Henderson <rth@redhat.com>
3431 * config/mips/iris6.h (TARGET_IRIX6): New.
3432 (current_section_name, current_section_flags): New.
3433 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3434 (MAX_OFILE_ALIGNMENT): New.
3435 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3436 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3437 (copy_file_data): Split out from
3438 (mips_asm_file_end): ... here.
3439 (mips_asm_file_start): Remove extra .section directive. Use
3440 tmpfile instead of mips_make_temp_file.
3441 (mips_unique_section): Use const char * as needed for warnings.
3442 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3443 re-add align parameter.
3444 (iris6_asm_named_section): New.
3445 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3446 (iris6_asm_output_align, iris6_section_align_1): New.
3447 (iris6_asm_file_start, iris6_asm_file_end): New.
3448 * config/mips/mips-protos.h: Update decls.
3450 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3452 * doc/install.texi (Install GCC): Add links to build status pages.
3454 (Final install): Ditto; request updates for specific info
3456 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3458 * cpperror.c (print_location): Don't take a file name; use the
3460 (_cpp_begin_message): Similarly.
3461 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3462 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3463 (cpp_pedwarn_with_file_and_line): Remove.
3464 * cppfiles.c (stack_include_file): Update; set filename to stdin
3465 here when appropriate.
3466 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3467 (_cpp_begin_message): Don't take a file name.
3468 * cppinit.c: Add comment.
3469 * cpplex.c: Fix end-of-directive indicator.
3470 * cpplib.c: Don't include intl.h.
3471 (run_directive, do_diagnostic): Update.
3472 (do_line): Update to not use nominal_fname.
3473 (cpp_push_buffer): Don't take a filename.
3474 * cpplib.h (struct ht): Remove.
3475 (cpp_push_buffer): Don't take a filename.
3476 (cpp_pedwarn_with_file_and_line): Remove.
3477 * cppmacro.c (struct cpp_macro): Remove file.
3478 (builtin_macro): Update.
3479 (_cpp_create_definition): Update.
3480 * cppmain.c: Correct comment.
3481 * fix-header.c (read_scan_file): Update.
3483 2001-08-17 Kazu Hirata <kazu@hxi.com>
3485 * sbitmap.c: Fix comment formatting.
3486 * sched-deps.c: Likewise.
3487 * sibcall.c: Likewise.
3488 * simplify-rtx.c: Likewise.
3490 * ssa-ccp.c: Likewise.
3491 * stor-layout.c: Likewise.
3492 * timevar.c: Likewise.
3493 * toplev.c: Likewise.
3494 * unwind-dw2.c: Likewise.
3495 * unwind-dw2-fde.c: Likewise.
3496 * varasm.c: Likewise.
3498 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3500 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3501 or larger than an integer in memory.
3503 2001-08-17 Zack Weinberg <zackw@panix.com>
3505 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3506 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3507 * rtl.h: Don't forward-declare union tree_node here. Don't
3508 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3509 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3510 and tree respectively.
3511 * tree.h: Don't forward-declare struct rtx_def here. Don't
3512 typedef tree here. Change all uses of struct rtx_def *,
3513 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3514 and tree respectively.
3516 2001-08-17 Richard Henderson <rth@redhat.com>
3518 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3519 config/mips/openbsd.h: Fix typos last change.
3521 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3523 * doc/invoke.texi (Optimize Options): The default for
3524 -finline-limit is 600.
3526 2001-08-17 Richard Henderson <rth@redhat.com>
3528 * varasm.c (text_section): Allow TEXT_SECTION to override the
3529 printing of TEXT_SECTION_ASM_OP.
3530 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3531 (DATA_SECTION, BSS_SECTION): Remove.
3532 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3533 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3534 Rename from s/_NAME//.
3535 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3536 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3537 (TEXT_SECTION): ... here. New.
3538 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3539 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3540 * config/mips/openbsd.h: Likewise.
3541 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3542 (mips_asm_file_end): Likewise test.
3543 (mips_output_function_epilogue): Likewise. Switch back to data
3544 section after emitting the function.
3546 * doc/tm.texi (Sections): Document TEXT_SECTION.
3548 2001-08-17 Richard Henderson <rth@redhat.com>
3550 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3551 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3553 2001-08-17 Richard Henderson <rth@redhat.com>
3555 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3556 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3557 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3558 Add aligned attribute.
3560 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3562 * config/sh/sh.md: Add modes to unspecs in first insn to match
3563 those in the second.
3565 * Makefile.in: Fix collect2 copy for Cygwin.
3567 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3569 Install the proper patch.
3570 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3571 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3572 (expand_function_start): Likewise.
3573 * stmt.c (expand_decl): Likewise.
3574 * varasm.c (make_decl_rtx): Likewise.
3576 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3578 * final.c: Undo my previous accidental checkin.
3579 * output.h: Likewise.
3580 * tm.texi: Likewise.
3582 2001-08-16 Richard Henderson <rth@redhat.com>
3584 * varasm.c (named_section_flags): Remove align parameter.
3585 * varasm.c, dwarf2out.c: Update all callers.
3586 * output.h: Update prototypes.
3588 * target.h (target.asm_out.named_section): Remove align parameter.
3589 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3590 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3591 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3592 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3593 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3595 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3596 (get_named_section_flags, set_named_section_flags): New.
3597 (named_section_flags): Use them.
3598 (named_section): Do decl vs section flags check here...
3599 (default_section_type_flags): ... not here.
3600 (init_varasm_once): Create in_named_htab.
3601 (resolve_unique_section): Mark reloc unused.
3603 2001-08-16 Richard Henderson <rth@redhat.com>
3605 * varasm.c (force_const_mem): Keep pool alignment in bits.
3606 (output_constant_pool): Use assemble_align.
3608 2001-08-16 Zack Weinberg <zackw@panix.com>
3610 * doc/tm.texi: Remove extra @table command.
3612 2001-08-16 Zack Weinberg <zackw@panix.com>
3614 * final.c (shorten_branches): Clear the end of the label_align
3615 array only if we made it larger. Break up messy expressions
3618 * diagnostic.c (internal_error): Check for error recursion
3619 before doing ICE suppression.
3621 * timevar.c: Timing variables now count in milliseconds.
3622 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3623 (get_time): Not here.
3624 (timevar_print): Don't print any timer whose user, cpu, and
3625 wall times are all zero as displayed.
3626 * timevar.h: Update comment aboout units. Make timevar
3629 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3631 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3632 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3633 (expand_function_start): Likewise.
3634 * stmt.c (expand_decl): Likewise.
3635 * varasm.c (make_decl_rtx): Likewise.
3637 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3639 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3640 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3642 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3644 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3647 2001-08-16 Andreas Jaeger <aj@suse.de>
3649 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3652 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3654 * rtl.h (only_sets_cc0_p): New prototype.
3655 * jump.c (sets_cc0_p): Handle INSN.
3656 (only_sets_cc0_p): New function.
3657 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3658 (tidy_fallthru_edge): Likewise.
3659 * integrate.c (copy_insn_list): Likewise.
3660 * unroll.c (unroll_loop): Likewise.
3661 (copy_loop_body): Likewise.
3663 2001-08-15 Jason Eckhardt <jle@redhat.com>
3665 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3667 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3669 * predict.c (struct block_info_def): Remove nvisited.
3670 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3671 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3673 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3674 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3677 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3679 * predict.def: Update hitrates.
3681 2001-08-15 Richard Henderson <rth@redhat.com>
3683 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3685 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3687 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3688 note from its associated jump.
3690 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3692 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3693 also on 64-bit s390x targets.
3695 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3697 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3699 (arm_expand_prologue): Handled nested functions which take a
3700 variable argument list.
3701 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3702 macro with an invocation of
3703 arm_compute_initial_elimination_offset.
3704 * config/arm/arm-protos.h: Prototype
3705 arm_compute_initial_elimination_offset.
3707 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3709 * doc/install.texi (Specific, avr): Fix markup.
3710 (Specific, c4x): Ditto.
3712 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3714 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3716 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3718 * Makefile.in (OBJS): Add rtl-error.o
3719 (rtl-error.o): New rule.
3720 (diagnostic.o): Adjust dependency.
3721 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3722 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3723 warning_for_asm): Move to...
3724 rtl-error.c: ...here. New file.
3726 2001-08-14 Richard Henderson <rth@redhat.com>
3728 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3729 if USING_SJLJ_EXCEPTIONS.
3731 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3733 * tlink.c (scan_linker_output): Check string for unsatisfied in
3734 addition to undefined and unresolved.
3736 2001-08-14 Graham Stott <grahams@redhat.com>
3738 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3739 EH_FRAME_SECTION_NAME.
3741 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3743 * genattrtab.c (simplify_test_exp_in_temp): New function.
3744 (simplify_test_exp): Avoid explicit use of temporary obstack.
3745 (simplify_cond, insert_right_side, evaluate_eq_attr,
3746 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3747 Use simplify_test_exp_in_temp.
3748 (optimize_attrs): Iterate until expression stabilizes.
3750 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3752 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3753 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3755 2001-08-13 Richard Henderson <rth@redhat.com>
3757 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3758 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3759 * config/arm/conix-elf.h: Likewise.
3761 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3763 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3765 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3767 * gcse.c (hash_scan_set): Expressions that are set as part of
3768 jump instructions are not available.
3770 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3772 * config/s390/s390.c (print_operand, s390_function_prologue,
3773 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3775 2001-08-13 Richard Henderson <rth@redhat.com>
3777 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3778 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3779 * doc/tm.texi (Exception Region Output): Document it.
3781 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3783 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3784 DWARF2 instead of stabs by default.
3786 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3788 * config/rs6000/rs6000.c: Include optabs.h.
3790 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3792 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3793 save/restore routines.
3794 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3796 2001-08-13 Andreas Jaeger <aj@suse.de>
3798 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3799 the english is correct.
3801 2001-08-13 Zack Weinberg <zackw@panix.com>
3803 * expr.h: Split out optab- and libfunc-related code to...
3804 * optabs.h, libfuncs.h: ... these new headers.
3806 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3808 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3810 * mkconfig.sh: Don't include insn-codes.h from config.h.
3812 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3813 enum insn_code is available. Move reload_in_optab and
3814 reload_out_optab array declarations to optabs.h.
3815 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3816 there, prototype in expr.h.
3817 * gencodes.c: Cleanup: zap global variables, don't use
3818 printf where puts will do, don't bother defining MAX_INSN_CODE
3819 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3821 * genemit.c, genopinit.c: Include optabs.h in generated file.
3822 * genoutput.c: Include insn-codes.h in generated file.
3823 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3824 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3825 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3826 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3827 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3828 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3830 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3831 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3832 config/m88k/m88k.c, config/sparc/sparc.c:
3834 * reload.c: Include expr.h and optabs.h before reload.h.
3835 * config/alpha/alpha.c: Include tree.h before reload.h.
3836 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3837 and reload.h in that order.
3838 * config/sparc/sparc.c: Include debug.h.
3839 * recog.c: Include insn-codes.h.
3841 2001-08-13 Andreas Jaeger <aj@suse.de>
3843 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3846 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3848 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3849 * gcc.c (init_spec): Fix typo in comment.
3850 * varasm.c (data_section): Fix typo in comment.
3852 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3854 * predict.c (dump_prediction): New argument "USED".
3855 (combine_predictions_for_insn): Determine the used heuristics,
3856 output the case no heuristic applied.
3857 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3859 2001-08-13 Andreas Jaeger <aj@suse.de>
3861 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3864 2001-08-13 Kazu Hirata <kazu@hxi.com>
3866 * jump.c: Fix formatting.
3868 2001-08-13 Kazu Hirata <kazu@hxi.com>
3870 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3873 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3875 * loop.c (check_dbra_loop): Use condjump_label to compute
3878 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3879 to better document the files they're in.
3881 2001-08-12 Zack Weinberg <zackw@panix.com>
3883 * recog.h (struct insn_operand_data): Shrink 'mode' field
3886 2001-08-12 Kazu Hirata <kazu@hxi.com>
3888 * gcc.c: Fix comment formatting.
3889 * gccspec.c: Likewise.
3892 * genemit.c: Likewise.
3893 * gengenrtl.c: Likewise.
3894 * genrecog.c: Likewise.
3895 * gensupport.c: Likewise.
3896 * ggc-page.c: Likewise.
3897 * global.c: Likewise.
3898 * graph.c: Likewise.
3899 * ifcvt.c: Likewise.
3900 * integrate.c: Likewise.
3902 * libgcc2.c: Likewise.
3904 * mbchar.c: Likewise.
3905 * optabs.c: Likewise.
3906 * predict.c: Likewise.
3907 * prefix.c: Likewise.
3908 * profile.c: Likewise.
3909 * protoize.c: Likewise.
3911 * recog.c: Likewise.
3912 * regclass.c: Likewise.
3913 * regmove.c: Likewise.
3914 * reg-stack.c: Likewise.
3915 * reload1.c: Likewise.
3916 * resource.c: Likewise.
3917 * rtlanal.c: Likewise.
3920 2001-08-12 Kazu Hirata <kazu@hxi.com>
3922 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3923 a tree representing a constant is passed to the macro.
3925 2001-08-12 Richard Henderson <rth@redhat.com>
3927 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3928 (rs6000_elf_asm_out_destructor): New.
3929 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3930 (DTORS_SECTION_ASM_OP): Remove.
3931 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3932 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3934 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3937 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3938 * gcc.c (set_collect_gcc_options): New function, split out from
3940 Ignore elided switches.
3941 (do_spec_1): Invoke before executing command.
3942 (set_input): Export.
3943 Move declaration ...
3944 * gcc.h (set_input): ... here.
3945 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3948 2001-08-12 Richard Henderson <rth@redhat.com>
3950 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3951 thinko wrt TARGET_RELOCATABLE.
3953 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3955 * fix-header.c (cb_file_change): Update prototype.
3957 2001-08-11 Zack Weinberg <zackw@panix.com>
3959 * toplev.c (set_float_handler): Make static.
3960 * toplev.h: Don't prototype set_float_handler.
3962 * simplify-rtx.c: Don't include setjmp.h.
3963 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3965 (simplify_unary_operation, simplify_binary_operation): Use them,
3966 via do_float_handler.
3968 * fold-const.c: Don't include setjmp.h.
3969 (exact_real_inverse_1): New function.
3970 (exact_real_inverse): Use it, via do_float_handler.
3972 * varasm.c: Don't include setjmp.h.
3973 (assemble_real_1): New function.
3974 (assemble_real): Use it, via do_float_handler.
3975 Call internal_error if we get a trap here.
3977 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3978 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3980 2001-08-11 Zack Weinberg <zackw@panix.com>
3982 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3983 STACK_BOUNDARY if not already defined.
3985 * calls.c, function.c, reload1.c, explow.c: Don't default
3986 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3987 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3989 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3992 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3993 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3995 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3997 * cppmacro.c (enter_macro_context): Push macro expansions even
4000 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4002 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4003 (rs6000_elf_section_type_flags): Actually return a value.
4005 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4007 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4008 Clean up code: add missing comments and prototypes, fix warnings,
4009 remove obsolete code, fix spacing to conform to coding style.
4011 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4013 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4014 and TARGET_ASM_CLOSE_PAREN.
4015 (regclass_map): CC register belongs to class NO_REGS.
4016 (legitimize_pic_address): Don't generate unnecessary moves
4017 (to avoid confusing loop optimization).
4018 (check_and_change_labels): Replace jump_long by indirect_jump.
4019 (s390_final_chunkify): Don't start a new literal pool on section
4020 switch in 64-bit code.
4021 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4023 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4024 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4025 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4027 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4028 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4029 (CONST_COSTS): Fixed incorrect costs.
4031 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4032 Use emit_jump instead of emit_jump_insn (gen_jump).
4033 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4034 (to avoid confusing flow analysis).
4035 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4036 (casesi, casesi_jump): New.
4037 (jump_long): Removed. Functionality merged into indirect_jump.
4038 (indirect_jump): Accept address_operand, not just register_operand.
4039 (cjump_long, icjump_long): Use same logic as indirect_jump.
4040 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4041 Fixed broken setjmp/longjmp handling.
4042 (do_builtin_setjmp_setup): Removed.
4044 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4045 broken GNU as versions that don't accept .quad with large
4046 negative values. Use hexadecimal output instead.
4047 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4048 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4049 FUNCTION_EPILOGUE): Removed. Now in targetm.
4051 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4053 * config/s390/fixdfdi.h: Add missing copyright statement.
4054 Fix type conflicts on 64-bit. Add missing SFmode routines.
4056 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4059 2001-08-11 Richard Henderson <rth@redhat.com>
4061 * rtl.h (REG_EH_RETHROW): Remove.
4062 * rtl.c (reg_note_name): Update.
4063 * combine.c (distribute_notes): Don't check for it.
4065 2001-08-11 Richard Henderson <rth@redhat.com>
4067 * combine.c (distribute_notes): Place REG_SETJMP.
4069 2001-08-11 Richard Henderson <rth@redhat.com>
4071 * doc/extend.texi (Arrays and pointers implementation): Discourage
4072 relying on sign-extension of pointers.
4074 2001-08-11 H.J. Lu <hjl@gnu.org>
4076 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4078 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4079 RDATA_SECTION_ASM_OP.
4081 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4083 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4084 main manual to work both for info and HTML versions.
4086 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4087 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4089 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4090 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4091 (struct cpp_pool): New member first.
4092 * cppinit.c (append_include_chain): Plug memory leaks.
4093 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4094 Allocate pragma structures from the (aligned) macro pool to
4095 avoid leaking memory.
4096 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4097 so we don't leak memory.
4098 * hashtable.c (ht_destroy): New.
4099 * hashtable.h (ht_destroy): New.
4101 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4102 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4104 * c-lex.c (map): Make const.
4105 (cb_file_change): Update for callback passing a line map.
4106 Don't assume we have a previous map. Remove sanity check
4107 about popping too many files.
4108 * cpperror.c (print_location): Make map const.
4109 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4110 (cpp_make_system_header): Similarly.
4111 (search_from): Similarly.
4112 (_cpp_execute_include): Don't remember where we came from.
4113 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4114 (struct cpp_reader): Make map const.
4115 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4116 * cpplib.c (do_line): Update; line maps now hold sysp.
4117 (cpp_push_buffer): Similarly.
4118 (_cpp_do_file_change): Similarly; callback with map instead.
4119 (cpp_get_line_maps): Constify return value.
4120 (_cpp_pop_buffer): Update.
4121 * cpplib.h (struct cpp_file_change): Remove.
4122 (struct cpp_callbacks): Update.
4123 (cpp_get_line_maps): Constify return value.
4124 * cppmacro.c (_cpp_create_definition): Update.
4125 * cppmain.c (struct printer): Constify map.
4126 (maybe_print_line): Similarly.
4127 (print_line): Similarly. Deduce flags 1 and 2 here.
4128 (cb_file_change): Update.
4129 * line-map.c (free_line_maps): Warn regardless.
4130 (add_line_map): Return pointer to const. When passed NULL to_file
4131 with LC_LEAVE, use the obvious values for the return point so the
4132 caller doesn't have to figure them out.
4133 (lookup_line): Return pointer to const.
4134 (print_containing_files): Take pointer to const.
4135 * line-map.h (struct line_map): New members reason, sysp.
4136 (add_line_map): Return pointer to const.
4137 (lookup_line): Similarly.
4138 (print_containing_files): Take pointer to const.
4140 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4141 Richard Henderson <rth@redhat.com>
4143 * regmove.c (regmove_optimize): Avoid setting a register twice in
4146 2001-08-10 Richard Henderson <rth@redhat.com>
4148 * doc/extend.texi (Arrays and pointers implementation): Document
4149 behavior of pointer/integer conversion.
4151 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4153 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4155 2001-08-10 Richard Henderson <rth@redhat.com>
4157 * doc/extend.texi (C Implementation): New chapter.
4158 * doc/gcc.texi (Top): Link it in.
4160 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4162 * doc/install.texi (Specific): Fix CVS merge botch.
4164 2001-08-10 Richard Henderson <rth@redhat.com>
4166 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4167 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4169 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4171 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4172 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4173 this macro is now required.
4175 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4176 loop.c (find_and_verify_loops), reload.c (reload): Check
4177 for rtx code of CALL_INSN, not CALL, when deciding if we
4178 need to check for REG_SETJMP note.
4180 * gcse.c (compute_hash_table, compute_store_table): Update
4181 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4184 * config/avr/avr.c: Fix typo.
4185 * config/convex/convex.c (expand_movstr): Use adjust_address.
4186 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4188 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4189 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4191 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4192 Do define STACK_BOUNDARY.
4193 * config/i370/i370.c: Include expr.h.
4194 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4195 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4196 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4197 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4198 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4199 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4200 * config/romp/romp.c: Include expr.h after tree.h.
4202 (output_fpop): Use xmalloc, not oballoc.
4203 * config/we32k/we32k.c: Include expr.h.
4205 2001-08-10 Kazu Hirata <kazu@hxi.com>
4207 * config/h8300/h8300.h: Fix formatting.
4209 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4211 * c-common.h (RETURN_NULLIFIED_P): Lose.
4212 * c-semantics.c (genrtl_return_stmt): Don't check it.
4214 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4216 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4217 (mips_annotate_frame_insn): New function.
4218 (mips_emit_frame_related_store): New function.
4219 (save_restore_insns): Don't mark instructions that set up the base
4220 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4221 the store instructions instead.
4222 (mips_expand_prologue): If the stack size is moved into a temporary
4223 register, do not mark that move as frame-related. Add a
4224 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4226 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4228 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4229 stack slot as unchanging if current_function_calls_eh_return.
4231 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4233 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4234 access the second half of the TFmode scratch operand.
4236 2001-08-10 Anthony Green <green@redhat.com>
4238 * java/class.c (emit_register_classes): Conditionalize code on
4241 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4243 * doc/install.texi (Specific, avr): Fix cross-reference to the
4244 main manual to work both for info and HTML versions.
4246 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4248 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4249 and "use_goto" argument.
4250 (expand_null_return, expand_value_return): Update all callers.
4251 * function.c (expand_function_end): Remove code to generate simple
4253 * config/vax/vax.md (epilogue): New expander for function return.
4254 * doc/md.texi (epilogue): Remove "if defined".
4256 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4258 * Makefile.in: Partially revert my previous change:
4259 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4260 of the hashtab.o and safe-ctype.o rules.
4262 2001-08-09 Richard Henderson <rth@redhat.com>
4264 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4265 (USE_COLLECT2): Remove duplicate definition.
4266 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4267 (use_collect2): Remove dead code.
4268 * configure.in (use_collect2): Remove will_use_collect2 and
4269 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4270 * configure: Rebuild.
4272 * target.h (targetm.asm_out.constructor): New.
4273 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4274 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4275 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4276 * varasm.c (in_ctors, in_dtors): New.
4277 (assemble_constructor, assemble_destructor): Remove.
4278 (default_stabs_asm_out_destructor): New.
4279 (default_named_section_asm_out_destructor): New.
4280 (dtors_section, default_dtor_section_asm_out_destructor): New.
4281 (default_stabs_asm_out_constructor): New.
4282 (default_named_section_asm_out_constructor): New.
4283 (ctors_section, default_ctor_section_asm_out_constructor): New.
4284 * output.h: Update declarations.
4285 * c-decl.c (c_expand_body): Use target hooks instead of
4286 assemble_constructor and assemble_destructor.
4287 * profile.c (output_func_start_profiler): Likewise.
4288 * objc/objc-act.c (finish_objc): Likewise.
4289 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4290 for the constructor.
4291 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4293 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4294 (DTORS_SECTION_ASM_OP): Likewise.
4295 (__CTOR_LIST__): Use attribute section when possible.
4296 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4298 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4299 ASM_OUTPUT_CONSTRUCTOR.
4301 * config/darwin.c (machopic_asm_out_constructor): New.
4302 (machopic_asm_out_destructor): New.
4303 * config/darwin-protos.h: Update declarations.
4304 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4305 (ASM_OUTPUT_DESTRUCTOR): Remove.
4306 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4307 * config/nextstep.c (nextstep_asm_out_constructor): New.
4308 (nextstep_asm_out_destructor): New.
4309 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4310 (ASM_OUTPUT_DESTRUCTOR): Remove.
4311 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4312 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4313 ASM_OUTPUT_*STRUCTOR.
4314 * config/i386/aix386ng.h: Likewise.
4316 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4317 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4318 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4319 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4320 * config/lynx.h: Likewise.
4321 * config/netware.h: Likewise.
4322 * config/psos.h: Likewise.
4323 * config/alpha/alpha-interix.h: Likewise.
4324 * config/alpha/elf.h: Likewise.
4325 * config/arc/arc.h: Likewise.
4326 * config/arm/aof.h: Likewise.
4327 * config/arm/coff.h: Likewise.
4328 * config/arm/elf.h: Likewise.
4329 * config/c4x/c4x.h: Likewise.
4330 * config/h8300/h8300.h: Likewise.
4331 * config/i386/cygwin.h: Likewise.
4332 * config/i386/djgpp.h: Likewise.
4333 * config/i386/i386-coff.h: Likewise.
4334 * config/i386/i386-interix.h: Likewise.
4335 * config/i386/sco5.h: Likewise.
4336 * config/i386/vsta.h: Likewise.
4337 * config/i386/win32.h: Likewise.
4338 * config/i960/i960-coff.h: Likewise.
4339 * config/ia64/sysv4.h: Likewise.
4340 * config/m68hc11/m68hc11.h: Likewise.
4341 * config/m68k/coff.h: Likewise.
4342 * config/m68k/mot3300.h: Likewise.
4343 * config/m88k/m88k.h: Likewise.
4344 * config/mcore/mcore-pe.h: Likewise.
4345 * config/mcore/mcore.h: Likewise.
4346 * config/mips/elf.h: Likewise.
4347 * config/mips/elf64.h: Likewise.
4348 * config/mips/iris6.h: Likewise.
4349 * config/pa/pa64-hpux.h: Likewise.
4350 * config/rs6000/sysv4.h: Likewise.
4351 * config/sh/sh.h: Likewise.
4352 * config/sparc/litecoff.h: Likewise.
4354 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4355 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4356 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4357 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4358 (ASM_OUTPUT_DESTRUCTOR): Remove.
4359 * config/a29k/a29k.c: Move include of tree.h.
4360 * config/a29k/udi.h: Delete file.
4361 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4362 (vms_asm_out_destructor): New.
4363 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4364 (EXTRA_SECTION_FUNCTIONS): Likewise.
4365 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4366 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4367 * config/c4x/c4x.c: Move include of tree.h.
4368 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4369 (clix_asm_out_destructor): New.
4370 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4371 (ASM_OUTPUT_DESTRUCTOR): Remove.
4372 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4373 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4374 (TARGET_ASM_CONSTRUCTOR): New.
4375 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4376 (sco_asm_out_constructor): New.
4377 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4378 * config/i386/svr3gas.h: Remove stack grows up code.
4379 Remove code duplicated from i386/sysv3.h.
4380 (TARGET_ASM_CONSTRUCTOR): New.
4381 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4382 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4383 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4384 (TARGET_ASM_CONSTRUCTOR): New.
4385 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4386 (m68hc11_asm_out_destructor): New.
4387 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4388 (TARGET_ASM_DESTRUCTOR): New.
4389 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4390 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4391 config/svr3.h pertaining to section manipulation.
4392 * config/m68k/dpx2g.h: Remove #if 0 code.
4393 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4394 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4395 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4396 (TARGET_ASM_CONSTRUCTOR): New.
4397 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4398 (m88k_svr3_asm_out_constructor): New.
4399 (m88k_svr3_asm_out_destructor): New.
4400 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4401 (ASM_OUTPUT_DESTRUCTOR): Remove.
4402 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4403 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4404 * config/rs6000/aix.h: Likewise.
4405 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4406 * config/mips/vxworks.h: Likewise.
4407 * config/rs6000/lynx.h: Likewise.
4408 * config/sh/elf.h: Likewise.
4409 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4410 (DTORS_SECTION_ASM_OP): New.
4411 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4412 (ASM_OUTPUT_DESTRUCTOR): Remove.
4413 * config/sparc/sol2-sld-64.h: Likewise.
4414 * config/vax/vax.c (vms_asm_out_constructor): New.
4415 (vms_asm_out_destructor): New.
4416 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4417 (ASM_OUTPUT_DESTRUCTOR): Remove.
4418 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4420 * doc/tm.texi (@node Initialization): Update.
4422 2001-08-09 Richard Henderson <rth@redhat.com>
4424 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4425 (__do_global_dtors_aux): Use gp-relative static data to avoid
4426 one dynamic relocation.
4427 (__do_frame_setup): Register Java classes.
4428 * config/alpha/crtend.asm (__JCR_END__): New.
4430 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4432 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4433 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4434 (GEN, STAGESTUFF): Add new files.
4435 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4436 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4437 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4438 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4439 as well as insn-codes.h and insn-flags.h in config.h; and no
4440 extra headers in tconfig.h and hconfig.h.
4442 * gencodes.c: Eliminate code to generate predicate declarations
4443 or #defines for md-file constants.
4444 * genconstants.c, genpreds.c: New files.
4446 * i386.md: Re-order guard expressions such that TARGET_64BIT
4447 comes first, when this permits better optimization. Add
4448 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4449 why this is desirable.
4451 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4453 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4454 (find_fde_for_dso): Remove.
4455 (_Unwind_IteratePhdrCallback): New.
4456 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4457 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4459 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4462 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4464 2001-08-09 Graham Stott <grahams@redhat.com>
4466 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4467 (vis_no_unit): Use it.
4468 (visualize_no_unit): Add the insn only if room exists.
4470 2001-08-09 Graham Stott <grahams@redhat.com>
4472 * predict.c (estimate_probability): Replace magic numbers with
4473 appropriate enumeration.
4475 2001-08-09 Graham Stott <grahams@redhat.com>
4477 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4479 (EXTRACT_FLAGS): Likewise.
4481 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4483 * config/mips/mips.c (mips_legitimate_address_p): Check for
4484 CONST_INT in last patch.
4486 2001-08-08 Anthony Green <green@redhat.com>
4488 * java/class.c (emit_register_classes): Use assemble_jcr if
4489 possible. Keep the original mechanism as a fallback.
4490 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4491 and weak symbol support.
4492 * crtstuff.c (__JCR_LIST__): Define.
4493 (__JCR_END__): Define.
4494 (_Jv_RegiserClasses): Define weak symbol if possible.
4495 (__do_global_ctors_aux): Register classes for ELF targets with
4496 weak symbol support.
4498 2001-08-08 Kazu Hirata <kazu@hxi.com>
4500 * dbxout.c: Fix comment formatting.
4501 * dependence.c: Likewise.
4503 * diagnostic.c: Likewise.
4504 * dominance.c: Likewise.
4505 * doprint.c: Likewise.
4506 * dwarf2out.c: Likewise.
4507 * dwarfout.c: Likewise.
4508 * emit-rtl.c: Likewise.
4509 * except.c: Likewise.
4510 * explow.c: Likewise.
4511 * expmed.c: Likewise.
4514 * fold-const.c: Likewise.
4515 * function.c: Likewise.
4517 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4519 * global.c (retry_global_alloc): Avoid shadowing allocno.
4521 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4523 * except.c (remove_fixup_regions): Fix typo.
4525 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4527 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4528 unsigned HOST_WIDE_INT to avoid warning.
4529 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4530 * flow.c (set_block_for_new_insns): Likewise.
4532 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4534 * sibcall.c (return_value_pseudo): New static variable.
4535 (skip_copy_to_return_value): Handle return_value_pseudo.
4536 (call_ends_block_p): Ensure that return_value_pseudo is set.
4537 (optimize_sibling_and_tail_recursive_call): Discover the
4538 load of pseudo return value in alternate exit block.
4540 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4542 * calls.c (ECF_ALWAYS_RETURN): New constant.
4543 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4544 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4545 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4546 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4547 * rtl.c (reg_note_name): New name.
4548 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4550 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4552 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4554 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4556 * alias.c (get_alias_set): Return a previously calculated
4557 alias set for a VAR_DECL.
4558 * function.c (gen_mem_addressof): Calculate the alias set before
4561 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4563 * predict.def: Set hitrates according our experimental run.
4565 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4567 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4569 2001-08-08 H.J. Lu <hjl@gnu.org>
4571 * config/mips/mips.c (mips_unique_section): New. Copied from
4574 * config/mips/mips-protos.h (mips_unique_section): New
4577 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4579 * config/mips/little.h: New. Generic little endian mips
4580 targets. Only mips*-*-linux* is converted to use it so far.
4582 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4583 (WCHAR_TYPE): Defined
4584 (WCHAR_TYPE_SIZE): Likewise.
4585 (INIT_SUBTARGET_OPTABS): Likewise.
4586 (BSS_SECTION_ASM_OP): Likewise.
4587 (SBSS_SECTION_ASM_OP): Likewise.
4588 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4589 (ASM_DECLARE_OBJECT_NAME): Likewise.
4590 (UNIQUE_SECTION): Likewise.
4591 (EXTRA_SECTIONS): Likewise.
4592 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4593 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4594 (ASM_OUTPUT_DEF): Likewise.
4595 (HANDLE_SYSV_PRAGMA): Removed.
4596 (NO_IMPLICIT_EXTERN_C): Likewise.
4597 (TARGET_MEM_FUNCTIONS): Likewise.
4598 (STARTFILE_SPEC): Likewise.
4599 (ENDFILE_SPEC): Likewise.
4600 (LIB_SPEC): Likewise.
4601 (INVOKE__main): Likewise.
4602 (CTOR_LIST_BEGIN): Likewise.
4603 (CTOR_LIST_END): Likewise.
4604 (DTOR_LIST_BEGIN): Likewise.
4605 (DTOR_LIST_END): Likewise.
4606 (SET_ASM_OP): Likewise.
4607 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4608 (ASM_OUTPUT_DEF): Likewise.
4609 (ASM_OUTPUT_IDENT): Likewise.
4611 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4612 (CPLUSPLUS_CPP_SPEC): Likewise.
4613 (ASM_APP_ON) Redefine only if not defined.
4614 (ASM_APP_OFF): Likewise.
4615 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4616 (ASM_OUTPUT_IDENT): Likewise.
4618 * config.gcc: Update tm_file for Linux/mips.
4620 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4622 * cselib.c (cselib_record_sets): If insn is predicated, turn
4623 sources into IF_THEN_ELSEs.
4625 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4626 Turn into define_insn_and_split.
4628 * sched-deps.c: Include "cselib.h".
4629 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4630 Use cselib to turn memory addresses into VALUEs.
4631 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4632 * sched-int.h (struct sched_info): New member USE_CSELIB.
4633 * sched-ebb.c (ebb_sched_info): Initialize it.
4634 * sched-rgn.c (rgn_sched_info): Likewise.
4635 * Makefile.in (sched-deps.o): Update dependencies.
4637 * cselib.h (cselib_subst_to_values): Declare.
4638 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4639 that have no value and autoincs to be handled by generating a new
4642 2001-08-08 Graham Stott <grahams@redhat.com>
4644 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4645 within fixed length SEQUENCE.
4647 2001-08-08 Graham Stott <grahams@redhat.com>
4649 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4650 (diagnostic_prefixing_rule): Likewise.
4651 (diagnostic_line_cutoff): Likewise.
4652 (diagnostic_kind_count): Likewise.
4654 2001-08-08 Graham Stott <grahams@redhat.com>
4656 * alias.c (find_base_decl): Delete redundent assignment.
4658 2001-08-08 Graham Stott <grahams@redhat.com>
4660 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4661 (abs): Uppercase and paranthesize macro parameter.
4662 (MEM_DEPENDENCY): Add whitespace.
4664 2001-08-08 Graham Stott <grahams@redhat.com>
4666 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4667 failure check for CONST_INT
4669 2001-08-08 Graham Stott <grahams@redhat.com>
4671 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4672 (libcall_dead_p): Likewise.
4674 (mark_used_regs): Constify fmt.
4675 (find_use_as_address): Likewise.
4677 2001-08-08 Graham Stott <grahams@redhat.com>
4679 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4682 2001-08-08 Graham Stott <grahams@redhat.com>
4684 * combine.c (combine_simplify_rtx): Update comment and
4685 remove erroneous test.
4687 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4689 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4690 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4691 take care to avoid multiple no-newline at EOF warnings in that
4694 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4696 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4697 (emit_library_call_value_1): Likewise.
4698 (emit_call_1): Emit REG_SETJMP note.
4699 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4701 * cselib.c (cselib_process_insn): Likewise.
4702 * flow.c (propagate_block): Likewise.
4703 * loop.c (find_and_verify_loops): Likewise.
4704 * reload.c (find_equiv_regs): Likewise.
4705 * reload1.c (reload): Likewise.
4706 * resource.c (mark_referenced_resources,
4707 mark_set_resources): Likewise.
4708 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4709 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4710 * haifa-sched.c (unlink_other_notes): Likewise.
4711 (reemit_notes): Likewise.
4712 * sched-ebb.c (sched_ebb): Likewise.
4713 * sched-rgc.c (sched_region): Likewise.
4714 * rtl.c (note_insn_name): Likewise.
4715 (reg_note_name): Add REG_SETJMP
4716 * rtl.h (reg_note): Add REG_SETJMP.
4717 (insn_note): Remove NOTE_INSN_SETJMP.
4719 * profile.c (branch_prob): Add fake edges for setjmp.
4721 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4723 * config.gcc: Quote target_cpu_default2 correctly for
4724 powerpc*-*-* targets.
4726 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4728 * cpplib.h, line-map.h: Update comments.
4729 * cppmain.c (printer_init): Move inline.
4730 (maybe_print_line, print_line): Take a map pointer.
4731 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4732 (cb_file_change): Don't use prior value of print.map.
4734 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4736 * doc/install.texi: Document fine-grained multilib configuration.
4738 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4740 * rtlanal.c (find_first_parameter_load): Call note_stores
4741 only on the instructions.
4743 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4745 * alias.c (nonlocal_mentioned_p):
4746 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4747 * calls.c (emit_call_1): Likewise.
4748 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4749 * cselib.c (cselib_process_insn): Likewise.
4750 * df.c (df_insns_modify): Likewise.
4751 * flow.c (need_fake_edge_p): Likewise.
4752 (propagate_one_insn): Likewise.
4753 * haifa-sched.c (reemit_notes): Likewise.
4754 * integrate.c (copy_insn_list): Likewise.
4755 * jump.c (delete_prior_computation): Likewise.
4756 * local-alloc.c (validate_equiv_mem): Likewise.
4757 * loop.c (scan_loop): Likewise.
4758 * predict.c (estimate_probability): Likewise.
4759 * reload.c (reload): Likewise.
4760 * sched-deps (sched_analyze): Likewise.
4761 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4762 * gcse.c (compute_hash_table): Likewise.
4763 (mark_call): Likewise.
4764 (store_killed_in_insn): Likewise.
4766 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4768 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4770 2001-08-06 Richard Henderson <rth@redhat.com>
4772 * varasm.c (assemble_gc_entry): Remove.
4773 * output.h: Likewise.
4775 2001-08-06 Richard Henderson <rth@redhat.com>
4777 * varasm.c (assemble_constructor): Take a symbol_ref and a
4778 priority instead of a bare string. Move priority handling
4779 here from cp/decl2.c.
4780 * output.h: Update decls.
4782 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4783 and assemble_destructor.
4784 * profile.c (output_func_start_profiler): Likewise.
4785 * objc/objc-act.c (finish_objc): Likewise.
4786 (build_module_descriptor): Return the symbol not the symbol name.
4788 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4790 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4791 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4792 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4793 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4794 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4795 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4797 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4799 * cpperror.c (print_containing_files): Moved to line-map.c.
4800 (print_location): line-map.c handles re-listing or otherwise.
4801 * cpphash.h (struct lexer_state): Remove next_bol.
4802 (struct cpp_buffer): Remove include_stack_listed.
4803 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4804 Remove faked buffer handling.
4805 (_cpp_do_file_change): Tweak.
4806 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4807 * cppmain.c (struct printer): Remove filename.
4808 (print_line, cb_file_change): Update accordingly.
4809 * line-map.c: Include intl.h.
4810 (init_line_maps): Initialize last_listed.
4811 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4812 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4813 (print_containing_files): New.
4814 * line-map.h (struct line_maps): New member last_listed.
4815 (print_containing_files, INCLUDED_FROM): New.
4816 * Makefile.in: Update.
4817 * po/POTFILES.in: Add line-map.c.
4819 2001-08-06 Richard Henderson <rth@redhat.com>
4821 * except.c (convert_from_eh_region_ranges_1): Never mark
4822 USE or CLOBBER insns as throwing.
4824 * expr.c (store_constructor): Don't clobber memory targets.
4826 2001-08-06 Andreas Jaeger <aj@suse.de>
4828 * profile.c (branch_prob): Remove unused variable insn.
4830 * Makefile.in (local-alloc.o): Add dependency on except.h.
4832 * local-alloc.c: Include except.h for can_throw_internal prototype.
4834 2001-08-06 Richard Henderson <rth@redhat.com>
4836 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4837 * function.c (expand_main_function): Implement it.
4838 * doc/tm.texi: Document it.
4840 2001-08-06 Stan Shebs <shebs@apple.com>
4842 * doc/install.texi: Document powerpc-*-darwin* details.
4844 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4846 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4847 (ASM_CPU_SPEC): Move back to rs6000.h
4848 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4850 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4852 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4855 * config/rs6000/linux64.h: Ditto.
4857 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4858 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4861 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4862 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4864 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4867 2001-08-05 Richard Henderson <rth@redhat.com>
4869 * local-alloc.c (update_equiv_regs): Do not move insns that
4872 2001-08-05 Jan Hubicka <jh@suse.cz>
4874 * Makefile.in (reload1.o): Add dedendancy on except.h
4875 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4877 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4878 indicating wehther edges has been cleaned up.
4879 * reload1.c: Inlucde except.h
4880 (fixup_abnormal_edges): Accept deleted insns.
4881 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4884 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4886 * cpplib.c (do_line): Correct line number after pop_buffer.
4888 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4890 PR preprocessor/3824
4891 * line-map.c: Update comments.
4892 * line-map.h: Update comments.
4893 * tradcif.y: Don't consider large numbers unsigned.
4895 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4897 PR preprocessor/3081
4898 * c-lex.c (map): New.
4899 (cb_file_change): Update map and use it.
4900 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4901 (c_lex): Update to use map.
4902 * cpperror.c (print_location): Move to using logical line numbers.
4903 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4904 (cpp_make_system_header): Similarly.
4905 (_cpp_execute_include): Stop line numbering hacks. Store the
4906 line we will return to.
4907 * cpphash.h (CPP_BUF_LINE): Remove.
4908 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4909 Add map and return_to_line.
4910 (_cpp_do_file_change): Update.
4911 * cppinit.c (cpp_start_read): Update line kludge.
4912 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4913 (trigraph_ok): Use logical line numbers for diagnostics.
4914 (skip_block_comment): Likewise.
4915 (skip_whitespace): Likewise.
4916 (skip_line_comment): Use pfile->line instead.
4917 (_cpp_lex_token): Update to use logical line numbering exclusively.
4918 Handle BOL locally. Accept new lines in directives, but keep
4919 pfile->line decremented. Diagnostics use logical lines. Update
4921 * cpplib.c (SEEN_EOL): New.
4922 (skip_rest_of_line, check_eol): Use it.
4923 (end_directive): Increase line number when accepting the newline
4924 at the end of a directive.
4925 (run_directive): Simplify.
4926 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4927 (_cpp_do_file_change): Update to take buffer line number as an
4928 argument, and store the current map in the cpp_reader. Remove
4929 line number kludges.
4930 (_cpp_do__Pragma): Restore output position after a _Pragma.
4931 (cpp_push_buffer): Don't set output line or lineno.
4932 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4933 Remove line kludge. Set output_line.
4934 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4935 (parse_arg): Use logical lines.
4936 (save_lookahead_token): Save EOFs too now.
4937 * cppmain.c (struct printer): Fix comments.
4938 (printer_init): Simplify, let caller do errors.
4939 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4940 (maybe_print_line): Simplify.
4941 (print_line): Don't print a linemarker if -P.
4942 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4943 (cb_file_change): Simplify.
4944 * line-map.h (LAST_SOURCE_LINE): Fix.
4945 (CURRENT_LINE_MAP): New.
4947 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4949 * doloop.c (doloop_modify_runtime): Properly compute number of
4950 iterations if loop was unrolled.
4952 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4953 if their CSELIB_VAL_PTRs are.
4955 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4956 (setup_spill_pointers): Initialize it.
4957 (spill_restore_mem): Set it.
4958 (do_spill, do_restore): Use it to add REG_INC note.
4959 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4961 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4962 asms if other insns are available.
4964 * config/ia64/ia64.c (condop_operator): New predicate.
4965 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4966 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4969 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4970 temporary register than directly using a MEM.
4972 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4974 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4975 parameter in last change.
4977 2001-08-04 Zack Weinberg <zackw@panix.com>
4979 * sparc.md: Don't use #if inside C test expression.
4981 2001-08-04 Richard Henderson <rth@redhat.com>
4983 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4985 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4987 * cpphash.h (struct cpp_reader): New member directive_line.
4988 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4989 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4990 do_pragma): Pass line to callbacks.
4991 (start_directive): Record line of directive.
4992 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4993 cb_include): Similarly.
4994 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4997 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4999 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5002 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5004 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5006 * reload1.c (fixup_abnormal_edges): New static function.
5009 * flow.c (need_fake_edge_p): New function.
5010 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5011 avoid call insn to be very last insn in the insn stream.
5013 * profile.c (branch_prob): Call flow_call_edges_add instead of
5014 doing that by hand; cleanup cfg to re-merge basic blocks once
5017 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5019 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5020 are also on line-map.h.
5021 * cppfiles.c (stack_include_file): Update.
5022 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5023 (_cpp_pop_buffer): New.
5024 * cppinit.c (cpp_destroy, cpp_finish): Update.
5025 (do_includes): Mark each buffer to return at EOF.
5026 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5027 return as requested.
5028 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5029 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5030 * cpplib.h (cpp_pop_buffer): Remove.
5031 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5032 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5034 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5036 (do_preprocessing): Update.
5037 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5038 * c-parse.in (_yylex): Similarly.
5039 * scan-decls.c (scan_decls): Similarly.
5040 * line-map.h: Update comments.
5042 * objc/Make-lang.in (objc-act.o): Update dependencies.
5044 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5046 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5047 and soft register for operand 0.
5048 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5050 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5052 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5053 register for operand 0.
5054 ("bitcmpqi_z_used"): Allow memory for operand 0.
5055 (split "bitcmpqi"): New split to handle address reg as operand 1.
5057 2001-08-04 Andreas Jaeger <aj@suse.de>
5059 * gcse.c: Revert Daniel's last patch.
5061 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5063 * sparc-protos.h: Add prototypes for fp_zero_operand and
5065 * sh-protos.h: Add prototype for fpul_operand.
5067 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5069 * doc/extend.texi (Other Builtins): Fix typo in last change.
5071 2001-08-03 Richard Henderson <rth@redhat.com>
5073 * target.h (gcc_target): Add asm_out.named_section,
5074 section_type_flags, have_named_sections.
5075 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5076 (TARGET_HAVE_NAMED_SECTIONS): New.
5077 (TARGET_SECTION_TYPE_FLAGS): New.
5079 * Makefile.in (toplev.o): Depend on TARGET_H.
5080 (varasm.o, dbxout.o): Likewise.
5081 * c-common.c (decl_attributes): Check targetm.have_named_sections
5082 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5083 * dbxout.c (dbxout_function_decl): Likewise.
5084 (dbxout_function_end): Likewise.
5085 * toplev.c (compile_file): Likewise.
5086 * varasm.c (exception_section): Likewise.
5087 * cp/decl2.c (finish_objects): Likewise.
5089 * defaults.h (EH_FRAME_SECTION): Remove.
5090 (EH_FRAME_SECTION_ASM_OP): Remove.
5091 (EH_FRAME_SECTION_NAME): New.
5092 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5093 (UNIQUE_SECTION_P): Remove.
5094 * dwarf2out.c (SECTION_FORMAT): Remove.
5095 (ASM_OUTPUT_SECTION): Remove.
5096 (output_call_frame_info): Use named_section_flags.
5097 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5098 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5099 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5100 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5101 (named_section_flags): New.
5102 (named_section): Use it and targetm.section_type_flags.
5103 (resolve_unique_section): New.
5104 (assemble_start_function): Use it.
5105 (asm_emit_uninitialised, assemble_variable): Likewise.
5106 (default_section_type_flags): New.
5107 (default_no_named_section, default_elf_asm_named_section): New.
5108 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5109 * output.h: Update varasm.c decls.
5110 (SECTION_*): New flags.
5112 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5113 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5115 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5116 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5117 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5118 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5119 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5120 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5121 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5122 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5123 * config/pa/pa64-hpux.h,
5125 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5126 (TARGET_ASM_NAMED_SECTION): New.
5127 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5128 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5129 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5130 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5131 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5132 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5133 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5134 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5135 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5136 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5137 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5138 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5139 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5140 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5141 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5142 * config/sparc/sysv4.h: Likewise.
5144 * config/nextstep.h: Error until named sections implemented.
5146 * config/a29k/a29k.c (a29k_asm_named_section): New.
5147 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5148 (vms_section_type_flags, vms_asm_named_section): New.
5149 * config/arm/arm.c (arm_elf_asm_named_section): New.
5150 * config/avr/avr.c (asm_output_section_name): Remove.
5151 * config/avr/avr-protos.h: Update.
5152 * config/c4x/c4x.c (c4x_asm_named_section): New.
5153 * config/h8300/h8300.c (h8300_asm_named_section): New.
5154 * config/i386/i386.c (sco_asm_named_section): New.
5155 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5156 (i386_pe_section_type_flags): New.
5157 (i386_pe_asm_named_section): New.
5158 * config/i386/i386-protos.h: Update.
5159 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5160 * config/mcore/mcore.c (mcore_asm_named_section): New.
5161 * config/mips/mips.c (iris6_asm_named_section): New.
5162 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5163 instead of UNIQUE_SECTION_P.
5164 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5165 (xcoff_asm_named_section): New.
5166 * config/sh/sh.c (sh_asm_named_section): New.
5167 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5169 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5170 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5171 (EH_FRAME_SECTION_NAME): New.
5172 (EXCEPTION_SECTION): New.
5173 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5174 (DEBUG_*_SECTION): Remove.
5175 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5176 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5177 (EH_FRAME_SECTION_ASM_OP): Remove.
5179 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5180 (ASM_OUTPUT_SECTION_NAME): Remove.
5181 (TARGET_ASM_NAMED_SECTION): New.
5182 (TARGET_HAVE_NAMED_SECTIONS): New.
5183 (TARGET_SECTION_TYPE_FLAGS): New.
5184 (EH_FRAME_SECTION_ASM_OP): Remove.
5185 (EH_FRAME_SECTION_NAME): New.
5187 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5189 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5190 for complex expressions when cfun == 0.
5191 * doc/extend.texi: Document that __builtin_constant_p can be
5192 used in data initializers as well as functions.
5194 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5196 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5197 variable I locally, instead of expecting a declaration in the
5200 2001-08-03 Richard Henderson <rth@redhat.com>
5202 * except.c (collect_one_action_chain): Add an explicit cleanup
5203 action if regions surrounding a catch were encoded entirely
5204 within the call-site entry.
5206 2001-08-03 Richard Henderson <rth@redhat.com>
5208 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5209 don't take REGNO of a non-register.
5211 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5213 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5214 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5215 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5216 (__gthread_mutex_init_function): New function for mutex initialization.
5218 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5220 * Makefile.in: Revert screwed up commit.
5222 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5224 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5225 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5226 merged by linker script to get a final _exit().
5227 (__do_global_dtors): New for destructor handling in specific exit
5229 (__do_global_ctors): New for constructors in specific install section.
5230 (__map_data_section): Map data sections before running constructors.
5231 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5232 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5233 (DTORS_SECTION_ASM_OP): Likewise.
5234 (CTORS_SECTION_FUNCTION): Define to force a reference to
5236 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5238 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5240 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5242 * Makefile.in: Add df.h to gcse.c dependencies.
5244 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5246 * varasm.c (output_constant_def_contents): Use for the length of a
5247 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5248 depending on which is larger.
5250 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5252 * gcse.c: Include df.h for use as a dataflow analyzer.
5254 Declaration of reg_set_info: gone.
5255 New df_analyzer variable used by store motion.
5256 (reg_set_info): Deleted.
5257 (mark_mem_regs): New function, analyze regs used by a mem.
5258 (store_ops_ok): Use dataflow analyzer results to determine if
5259 necessary regs are changed in the block.
5260 (find_moveable_store): Remove check for symbol ref, we can handle
5261 much more complex expressions now.
5262 (compute_store_table): Remove most of the code, it's unnecessary
5263 now that the dataflow analyzer records the info for us.
5264 (store_killed_after): Add parameter to say whether to do the
5265 store_ops_okay test, used to speed up testing when we already know
5266 the answer, and just want to know if the store itself was killed.
5267 (build_store_vector): Largely rewritten to calculate the various
5268 vectors properly, and somewhat optimized.
5269 (store_motion): Init the df_analyzer, get REG_DEF chains.
5270 Also handle trapping expressions (since mems almost always trap)
5271 (simple_mem): Redefine what a simple mem is.
5273 2001-08-03 DJ Delorie <dj@redhat.com>
5275 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5276 set from a constant part of the condition.
5278 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5280 * mkdeps.c (deps_add_default_target): Make local variable
5281 ``start'' a const char pointer.
5282 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5284 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5286 * doc/install.texi (Configuration): Fix markup.
5287 (Specific, i?86-*-udk): Likewise.
5288 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5290 Document --enable-threads and --enable-libgcj status.
5291 (Specific, mips-sgi-irix*): Canonicalize triples.
5292 (Specific, mips-sgi-irix5): Warn about problems with this config.
5293 Mention required GNU as patch.
5294 Native assembler problems are fixed.
5295 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5296 Document --enable-threads and --enable-libgcj status.
5298 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5300 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5303 2001-08-03 Richard Henderson <rth@redhat.com>
5305 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5308 2001-08-03 Richard Henderson <rth@redhat.com>
5310 * rtlanal.c (find_first_parameter_load): Stop if we
5311 reach a CODE_LABEL at BOUNDARY.
5313 2001-08-03 Richard Henderson <rth@redhat.com>
5315 * config/alpha/alpha.md (force_movdi): New insn.
5316 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5317 Tweek FRP marking of VMS prologue insns.
5318 * config/alpha/vms.h (EPILOGUE_USES): New.
5320 2001-08-02 Richard Henderson <rth@redhat.com>
5322 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5324 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5326 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5327 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5328 config/convex/convex.h, config/d30v/d30v.c,
5329 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5330 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5331 config/mips/mips.h, config/mn10200/mn10200.h,
5332 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5333 config/v850/v850.h, config/vax/openbsd.h,
5334 config/vax/openbsd1.h, config/vax/ultrix.h,
5335 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5336 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5337 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5338 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5339 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5340 in comments and documentation.
5342 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5346 * Makefile.in (line-map.o): New.
5347 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5348 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5349 * cpperror.c (print_containing_files): Similarly.
5350 (print_location): Update. Don't output a space before _Pragma.
5351 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5352 (stack_include_filee, cpp_make_system_header): Update.
5353 (_cpp_execute_include): Get logical line number right for calling
5354 as-yet-unterminated #include.
5355 * cpphash.h (struct cpp_reader): Add line_maps.
5356 (_cpp_do_file_change): Update.
5357 * cppinit.c (cpp_create_reader): Initialize line maps.
5358 (cpp_destroy): Destroy line maps.
5359 (cpp_start_read): Get logical line number right.
5360 * cpplex.c (parse_string): Only warn once for multi-line strings.
5361 Use boolean variable for null warning.
5362 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5364 (do_include_common): End the directive early.
5365 (do_line): Don't warn about out-of-range lines in preprocessed
5366 source. Update. Remove unused variables.
5367 (_cpp_do_file_change): Update for new line mapping.
5368 (pragma_cb): New typedef.
5369 (cpp_register_pragma): Stop looking ahead before calling the
5371 (do_pragma_system_header): End directive early.
5372 (cpp_get_line_maps): New.
5373 (cpp_pop_buffer): Fudge logical line. Update.
5374 * cpplib.h: Include line-map.h
5375 (enum cpp_fc_reason): Remove.
5376 (struct cpp_file_change): Update.
5377 (cpp_get_line_maps): New.
5378 * cppmain.c (struct_printer): New member map.
5379 (cb_file_change): Update for new mappings.
5380 * fix-header.c (cb_file_change): Similarly.
5382 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5384 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5385 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5387 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5389 * config/vax/vax.c: include expr.h.
5391 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5393 * Makefile.in ($(srcdir)/configure): Only rebuild in
5395 ($(srcdir)/config.in): Only define in maintainer mode.
5396 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5398 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5400 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5402 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5404 * gcc.c (set_collect_gcc_options): New function, split out from
5406 Ignore elided switches.
5407 (do_spec_1): Invoke before executing command.
5408 (set_input): Export.
5409 Move declaration ...
5410 * gcc.h (set_input): ... here.
5411 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5414 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5417 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5419 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5421 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5423 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5424 for the unnamed instructions it expands to.
5426 2001-08-02 Richard Henderson <rth@redhat.com>
5428 * regclass.c (call_really_used_regs): Conditionally define.
5429 (init_reg_sets_1): Don't use it if not defined.
5430 (fix_register): Similarly, don't set it.
5432 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5434 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5435 Correct comment that had been missed in the previous change.
5437 2001-08-01 Stan Shebs <shebs@apple.com>
5439 * config/darwin.c (machopic_stub_name): Try matching by name.
5440 (update_stubs): New function.
5441 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5444 2001-08-01 Richard Henderson <rth@redhat.com>
5446 * except.c (output_function_exception_table): Use assemble_align.
5447 * varasm.c (assemble_eh_label): Remove.
5448 (assemble_eh_align, assemble_eh_integer): Remove.
5450 2001-08-01 Robert Lipe <robertl@caldera.com>
5452 * dwarfout.c: Remove reference to README.DWARF.
5454 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5456 * regclass.c (call_really_used_regs): New array for registers which
5457 are actually used by a call.
5458 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5460 (fix_register): Set call_really_used too.
5461 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5462 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5464 2001-08-01 Richard Henderson <rth@redhat.com>
5466 * read-rtl.c (read_name): Consider \r whitespace.
5468 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5470 * config.gcc: Recognize powerpc-*-netbsd*.
5472 * doc/install.texi (Host/target specific installation notes for
5473 GCC): Mention powerpc-*-netbsd*.
5475 * config/rs6000/netbsd.h: New file.
5476 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5477 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5478 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5479 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5480 (TARGET_VERSION): Redefine.
5482 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5483 mcall-netbsd as a match for mcall-sysv.
5484 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5485 (ncrti.S, ncrtn.S): New targets.
5486 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5488 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5489 "netbsd' as a V4 ABI.
5490 (ASM_SPEC): Check for -mcall-netbsd.
5491 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5492 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5493 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5494 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5495 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5496 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5497 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5499 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5500 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5502 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5504 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5505 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5506 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5507 including "unwind-pe.h".
5509 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5511 * rs6000.md (define_splits): Kill unused constraints.
5513 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5514 Jan Hubicka <jh@suse.cz>
5516 * function.c (thread_prologue_and_epilogue_insns): Kill code
5517 dealing with non-existent CFG.
5519 2001-08-01 Kazu Hirata <kazu@hxi.com>
5521 * alias.c: Fix comment formatting.
5522 * bitmap.c: Likewise.
5523 * builtins.c: Likewise.
5524 * calls.c: Likewise.
5525 * c-common.c: Likewise.
5526 * c-decl.c: Likewise.
5527 * c-dump.c: Likewise.
5528 * c-lex.c: Likewise.
5529 * collect2.c: Likewise.
5530 * combine.c: Likewise.
5531 * conflict.c: Likewise.
5532 * cppfiles.c: Likewise.
5533 * cppinit.c: Likewise.
5534 * cpplex.c: Likewise.
5535 * cpplib.c: Likewise.
5536 * cppmacro.c: Likewise.
5537 * cppspec.c: Likewise.
5538 * c-pragma.c: Likewise.
5539 * crtstuff.c: Likewise.
5541 * cselib.c: Likewise.
5542 * c-semantics.c: Likewise.
5543 * c-typeck.c: Likewise.
5545 2001-08-01 H.J. Lu <hjl@gnu.org>
5547 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5549 2001-08-01 H.J. Lu <hjl@gnu.org>
5551 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5553 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5555 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5556 contextualizing Objective-C class name lookup by the lexer.
5557 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5559 (protocoldef): Add support for forward @protocol declarations.
5560 (yylexname): Suppress ObjC class name lookup in certain contexts;
5561 re-enable after lookup is complete.
5562 (_yylex): Re-enable ObjC class name lookup when certain
5563 punctuation marks are seen.
5565 * objc/objc-act.c (check_protocol_recursively): New function used
5566 for finding circular dependencies in protocols.
5567 (objc_declare_protocols): New function for handling forward
5568 @protocol declarations.
5569 (receiver_is_class_object): Detect the case when 'self' is used
5570 inside of a class method.
5571 (build_message_expr): Issue a warning if class method is desired
5572 but instance method is found instead.
5573 (conforms_to_protocol): Streamline.
5574 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5575 protocol Foo, even if 'Bar foo' does not.
5576 (check_protocols): Streamline.
5577 (start_protocol): Add checks for circular and duplicate protocol
5579 (encode_aggregate_within): For typedefs of structs, encode the
5581 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5582 (objc_declare_protocols): New prototype.
5584 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5586 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5587 * cpplex.c (handle_newline): Update prototype. Maintain logical
5589 (skip_escaped_newlines, skip_block_comment, parse_string):
5591 (_cpp_lex_token): Update, and store token position within the token.
5592 * cpplib.h (struct cpp_token): Add line and column entries.
5593 * cppmacro.c (replace_args): Position stringified tokens correctly.
5595 2001-08-01 Andreas Jaeger <aj@suse.de>
5597 * basic-block.h: Add prototype for last_loop_beg_note.
5599 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5601 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5602 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5604 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5605 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5606 expand_decl_cleanup.
5607 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5609 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5610 operand while calling simple_cst_equal.
5611 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5612 operand is the cleanup expression, the third is the RTL_EXPR.
5613 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5615 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5617 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5619 2001-07-31 matthew green <mrg@eterna.com.au>
5621 * config.gcc (i386-*-netbsdelf): New description.
5622 * config/i386/netbsd-elf.h: New file.
5624 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5626 * loop.c (check_dbra_loop): Use single_set to compute
5629 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5631 PowerPC reorg and support for powerpc64-*-linux*.
5633 Also fixes emitting of constants on 32 bit and 64 bit
5636 * config.gcc: powerpc64-*-linux* is a new target.
5637 Things that needed aix.h now also include xcoff.h
5639 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5641 Move AIX specific stuff into aix.h.
5642 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5643 with more than just XCOFF now.
5644 (SET_ASM_OP): Remove, now defined where needed.
5645 (FUNCTION_PROLOGUE): New macro definition.
5646 (FUNCTION_EPILOGUE): New macro definition.
5647 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5649 * config/rs6000/xcoff.h: New file.
5651 * config/rs6000/linux64.h: New file.
5653 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5655 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5657 * rs6000.c (print_operand_address): Handle ELF syntax.
5658 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5659 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5660 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5662 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5664 * rs6000.c (rs6000_override_options): Only disable
5665 flag_function_sections for XCOFF.
5666 (exact_log2_cint_operand): New predicate.
5667 (reg_or_{add,sub}_cint64_operand): New predicates.
5668 (add_operand): Compare CONST_INT with fewer function calls.
5669 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5670 (print_operand, case 'p'): Ensure positive operand.
5671 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5672 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5673 (PREDICATE_CODES): Add new predicates.
5674 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5675 (divsi3, modsi3): Ensure positive power-of-2.
5676 (adddi3): Use new predicate. Split 32-bit constants more
5677 correctly. Re-arrange splitter to handle any constant.
5678 (subdi3): Use new predicate.
5679 (divdi3, moddi3): Ensure positive power-of-2.
5680 (movdi): Use rs6000_emit_set_const.
5681 (load_toc_v4_pic_di): Delete.
5683 2001-07-31 Graham Stott <grahams@redhat.com>
5685 * function.c (pad_below): Revert 2001-07-26 patch.
5687 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5689 * reg-stack (convert_regs_1): Fix best edge condition.
5691 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5693 * jump.c (duplicate_loop_exit_test): Better test for jumps
5694 entering the loop; create loop pre_header.
5696 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5698 * doc/install.texi: Add s390 and s390x as new targets.
5699 * doc/invoke.texi: Add documantation of S/390 and zSeries
5701 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5703 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5705 * config/m68k/m68k.md: Replace all general_operand with
5706 nonimmediate_operand for all destinations.
5707 * config/m68k/m68k.c (not_sp_operand): Likewise.
5709 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5711 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5713 2001-07-30 Richard Henderson <rth@redhat.com>
5715 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5716 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5718 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5720 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5721 Add missing doc strings
5722 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5723 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5725 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5727 * i386.c (ix86_output_main_function_alignment_hack): New function.
5728 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5730 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5731 edges by EDGE_DFS_BACK flag.
5732 (dump_edge_info): Add dfs_back flag.
5733 * basic-block.h (EDGE_DFS_BACK): New constant.
5734 (mark_dfs_back_edges): Declare.
5735 * alias.c (loop_p): Remove.
5736 (mark_constant_function): Use mark_dfs_back_edges.
5738 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5739 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5740 (compensate_edge): Break out from ...
5741 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5742 (convert_regs_2): Set block_done once block is really done;
5743 Do updating of the predecesors counts.
5745 * toplev.c (rest_of_compilation): Recompute block_for_insn
5746 before post-reload cfg_cleanup.
5747 * function.c (thread_prologue_epilogue_insns):
5748 Call set_block_for_new_insns when emitting prologue directly.
5750 2001-07-30 Andreas Jaeger <aj@suse.de>
5752 * jump.c: Add prototype for mark_modified_reg.
5754 * cse.c (set_live_p): Add unused attribute.
5756 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5758 (scan_for_source_files): Use long for count to avoid overflow.
5759 (output_data): Likewise.
5760 (output_data): Don't use string concatatenation to silence gcc
5763 * predict.c: Fix typos and grammar.
5765 * gcse.c (insert_insn_end_bb): Remove unused variables.
5767 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5769 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5770 (attempt_auto_inc): LIkewise.
5771 (mark_used_reg): Likewise.
5772 (try_pre_increment_1): Likewise.
5773 * regclass.c (regclass): Likewise.
5774 * global.c (allocno_compare): Update comment; change scaling factor.
5775 * local-alloc.c (QTY_CMP_PRI): Likewise.
5776 * regs.h (REG_FREQ_FROM_BB): New.
5777 (REG_FREQ_MAX): Likewise.
5779 2001-07-30 H.J. Lu <hjl@gnu.org>
5781 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5784 2001-07-30 H.J. Lu (hjl@gnu.org)
5786 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5787 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5788 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5790 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5792 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5793 as -mthumb-interwork when -mcpu=arm7 is specified.
5795 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5797 * predict.def (noreturn, loop branch, loop exit): Mark as first
5800 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5802 * combine.c (try_combine): Avoid barrier after noop jumps.
5804 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5806 * cpphash.h (struct cpp_reader): Remove import_warning.
5807 * cpplib.c (skip_rest_of_line): Don't bother turning off
5809 (parse_include): Move include handling to...
5810 (do_include_common): ... here. Move import warning from...
5811 (do_import): ... here.
5812 (do_pragma_poison): Don't do a callback for poison identifiers.
5813 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5814 * cppmain.c (setup_callbacks): Similarly.
5816 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5818 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5819 handle multiple sets.
5820 * except.c (sjlj_mark_call_sites): .... here.
5821 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5823 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5825 Suggested by Richard Henderson and Richard Kenner:
5826 * combine.c (recog_for_combine): Use the fake recog
5827 only if instruction does not match.
5828 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5829 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5831 * combine.c (try_combine): Discover noop jump as direct jump.
5833 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5835 * df.c (df_rd_global_compute): Add successors to worklist, not
5837 (df_ru_global_compute): Ditto.
5839 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5841 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5842 increment REG_N_SETS.
5844 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5846 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5848 * sbitmap.c (sbitmap_a_xor_b): New function.
5849 ifdef the basic block stuff on IN_GCC.
5851 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5853 * cppexp.c (parse_defined): Always record the macro name.
5854 (lex): Don't worry about identifiers, or special-case
5856 (_cpp_parse_expr): Figure out at the end of the routine
5857 whether we saw a valid !defined() expression.
5858 * cppfiles.c (stack_include_file): Update for mi_valid.
5859 (_cpp_pop_file_buffer): Similarly.
5860 * cpplex.c (_cpp_lex_token): Similarly.
5861 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5862 mi_if_not_defined, mi_lexed): Remove.
5864 * cpplib.c (do_if): Simplify.
5865 (do_endif, push_conditional, _cpp_handle_directive): Update
5866 for renaming of mi_state to mi_valid.
5868 * cpp.texi: Add index entries for digraphs, and add comment
5869 that C++ refers to them as alternative tokens.
5871 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5873 * basic-block.h (CLEANUP_PRE_LOOP): New.
5874 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5875 * sibcall.c (optimize_sibling_calls): Likewise.
5876 * toplev.c (rest_of_compilation): Likewise.
5877 * flow.c (try_forward_edges): Take argument MODE;
5878 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5879 (try_optimize_cfg): Update call of try_forward_edges.
5881 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5882 Jan Hubicka <jh@suse.cz>
5884 * (validate_replace_rtx_1): Fix simplification of MINUS.
5886 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5888 PR preprocessor/3669
5889 * cppinit.c (init_dependency_output): Turn off dump requests
5890 if sending dependencies to stdout.
5892 2001-07-28 Richard Henderson <rth@redhat.com>
5894 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5897 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5899 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5901 2001-07-28 Kazu Hirata <kazu@hxi.com>
5903 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5904 is VAR_DECL first to prevent an ICE.
5906 2001-07-28 Richard Henderson <rth@redhat.com>
5908 * varasm.c (immed_real_const_1): Don't elide special cases for
5910 (clear_const_double_mem): Clear const_tiny_rtx too.
5912 2001-07-28 Richard Henderson <rth@redhat.com>
5914 * dwarf2out.c (dw_val_class_offset): New.
5915 (struct dw_ranges_struct, dw_ranges_ref): New.
5916 (ranges_table, ranges_table_allocated): New.
5917 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5918 (add_AT_offset, add_ranges, output_ranges): New.
5919 (print_die, output_die): Handle dw_val_class_offset.
5920 (attr_checksum, size_of_die, value_format): Likewise.
5921 (gen_lexical_block_die): Handle non-contiguous blocks.
5922 (gen_block_die): Likewise.
5923 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5924 if needed. Dump the ranges table.
5925 * final.c (final_start_function): Remove unnecessary notes and
5926 rebuild the block tree before numbering the blocks.
5927 * function.c (reorder_blocks_0): Walk the existing block tree
5928 to unmark all blocks.
5929 (reorder_blocks_1): Create block fragments when duplicate block
5931 (reorder_fix_fragments): New.
5932 (reorder_blocks): Call it.
5933 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5935 2001-07-28 Richard Henderson <rth@redhat.com>
5937 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5939 2001-07-28 Richard Henderson <rth@redhat.com>
5941 * flow.c (add_to_mem_set_list): New function.
5942 (init_propagate_block_info): Use it.
5943 (mark_set_1): Likewise.
5944 (insn_dead_p): Canonicalize memory address for dead store
5945 comparison. Allow wider mode stores to kill narrower mode stores.
5946 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5947 (invalidate_mems_from_set): Don't handle MEMs.
5949 2001-07-28 Kazu Hirata <kazu@hxi.com>
5951 * config/h8300/h8300.h: Fix formatting.
5953 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5955 * basic-block.h (EDGE_FREQUENCY): New macro.
5956 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5958 * flow.c (find_sub_basic_blocks): Likewise.
5959 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5960 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5962 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5963 (HITRATE): New macro.
5964 (PRED_FLAG_FIRST_MATCH): New constant.
5965 (predictor_info): New field flgags.
5966 (combine_predictions_for_insn): Use DS theory to combine
5967 probabilities; set the edge probabilities when finished.
5968 (estimate_probability): Avoid duplicated matches
5969 of LOOP_BRANCH heuristics for nested loops; update comment.
5970 * predict.def: Add flags for each prediction, set probabilities
5971 according to B&L paper.
5972 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5974 * profile.c (compute_branch_probabilities): Cleanup way the edge
5975 probabilities are computed and REG_BR_PROB notes are dropped; if
5976 values does not match, emit error.
5977 (init_branch_prob): Do error instead of warning when profile driven
5978 feedback is missing or corrupt.
5980 2001-07-27 DJ Delorie <dj@redhat.com>
5982 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5983 against a constant, try to adjust the compare to have the desired
5984 constant in it so that min/max optimizations happen more often.
5986 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5988 * flow.c (last_loop_beg_note): New function.
5989 (redirect_edge_and_branch): Use it.
5990 (split_edge): Likewise.
5992 * alias.c (loop_p): Avoid uninitialized memory access.
5994 * flow.c (try_forward_edges): Avoid accessing freed memory.
5996 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5999 2001-07-26 Andrew Haley <aph@redhat.com>
6000 Joern Rennecke <amylaar@redhat.com>
6002 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6003 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6004 (SUBTARGET_CPP_SPEC): New.
6006 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6007 (SUBTARGET_CPP_PTR_SPEC): New.
6008 (CPP_DEFAULT_CPU_SPEC): New.
6009 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6010 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6011 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6012 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6013 (SUBTARGET_CPP_SPEC): Define as an empty string.
6015 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6017 * doc/install.texi (Configuration): Properly link the host
6018 specific instructions also when generating HTML.
6020 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6022 * flow.c (redirect_edge_and_branch_force): Test
6023 target->global_live_at_start.
6025 2001-07-26 Richard Henderson <rth@redhat.com>
6027 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6028 * rtl.h (avoid_constant_pool_reference): Declare it.
6029 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6030 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6032 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6034 * rtl.h (cleanup_barriers): Declare.
6035 * jump.c (cleanup_barriers): New function.
6036 * toplev.c (rest_of_compilation): Call cleanup_barriers
6037 before loop optimizer and after bb_reorder.
6039 * flow.c (back_edge_of_syntactic_loop_p): New.
6040 (split_edge): Use it.
6042 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6044 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6046 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6048 * cse.c (cse_process_notes): Replace any registers if the address
6051 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6053 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6054 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6055 (propagate_block): Update prototype.
6056 * flow.c (update_life_info): Simplify the CFG and
6057 recalculate the global regs which are alive when
6058 removing dead code during a global update.
6059 (propagate_block): Return non-zero if an INSN is
6062 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6064 * Makefile.in (LIBICONV): Define.
6066 2001-07-26 Catherine Moore <clm@redhat.com>
6068 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6069 of conditional to avoid tree checking errors.
6071 2001-07-26 Kazu Hirata <kazu@hxi.com>
6073 * regmove.c (regmove_optimize): Don't replace a reg with
6074 another reg of a different mode.
6076 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6078 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6079 limit length of dependancy flush list.
6080 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6081 * sched-int.h (struct deps): Add pending_flush_length field.
6082 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6083 has 1 element in it.
6084 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6085 (sched_analyze): After a jump, if the pending memory flush list is too
6086 large, flush the pending lists.
6087 (init_deps): Initialize pending_flush_length to 0.
6088 * doc/invoke.texi (max_pending_list_length): Document parameter.
6090 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6092 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6093 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6094 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6096 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6098 * cpphash.h (struct_lexer_state): Delete was_skipping.
6099 Move skipping here from struct cpp_reader.
6100 * cpplex.c (parse_identifier): Update.
6101 (_cpp_lex_token): Don't skip tokens in a directive.
6102 * cpplib.c (struct if_stack): Update.
6103 (start_directive, end_directive): Don't change skipping state.
6104 (_cpp_handle_directive): Update.
6105 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6106 (do_else, do_endif): Update; only check for excess tokens if not
6107 in a skipped conditional block.
6108 (push_conditional): Update for new struct if_stack.
6110 2001-07-26 Graham Stott <grahams@redhat.com>
6112 * function.c (locate_and_pad_parm): Also pad initial offset
6113 so that the total argument size also includes the padding.
6115 2001-07-26 Graham Stott <grahams@redhat.com>
6117 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6118 change XSTR to XTMPL.
6120 (process_one_cond_exec): Likewise
6122 2001-07-25 Richard Henderson <rth@redhat.com>
6124 * varasm.c (assemble_variable): Create DECL_RTL before setting
6127 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6129 * predict.c (estimate_probability): Avoid duplicated predictions.
6131 * loop.c (find_and_verify_loops): Grok multiple barriers.
6133 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6135 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6137 * dbxout.c: Consistently use putc instead of fputc.
6138 (print_wide_int): New function; call instead of direct fprintf.
6139 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6140 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6141 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6142 (print_int_cst_octal): Likewise.
6143 (print_octal): Show we wrote characters.
6144 (dbxout_type): Set have_used_extensions in more places.
6146 2001-07-25 Catherine Moore <clm@redhat.com>
6148 * config/v850/v850.c (v850_va_arg): Use addr
6149 instead of valist to build incr.
6151 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6153 * flow.c (delete_dead_jumptables): New function.
6154 (life_analyzis): Call it.
6155 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6158 2001-07-25 Richard Henderson <rth@redhat.com>
6160 * except.c (reachable_handlers): Handle a region being removed
6161 out from under a RESX.
6163 2001-07-25 Richard Henderson <rth@redhat.com>
6165 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6166 swap GE/GT if it is an fp comparison.
6168 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6170 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6173 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6175 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6176 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6179 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6181 (visit_expression): When attempting to simplify an expression,
6182 retrieve any modes for arguments before they are simplified
6185 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6186 Janis Johnson <janis@us.ibm.com>
6188 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6189 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6190 pointer parameters to match documented usage of nonlocal_goto.
6191 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6192 parameters to their correct order.
6193 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6194 parameters to their correct order.
6196 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6198 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6200 2001-07-25 Jan Hubicka <jh@suse.cz>
6201 Richard Henderson <rth@redhat.com>
6203 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6205 (make_edges): New argument update_p; populate the edge cache if set.
6206 (find_basic_blocks): Update make_edges invocation.
6208 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6210 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6212 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6214 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6215 -Acpu and -Amachine.h.
6216 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6217 Corrected header to say ELF not a.out.
6218 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6219 when given -msoft-float.
6221 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6223 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6224 extra multilib parts like arm-elf.
6225 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6226 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6227 crtfini.o as extra multilib parts.
6229 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6231 * configure.in: Add rtems as a supported thread model.
6232 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6233 * configure: Rebuilt.
6235 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6237 * stor-layout.c (get_mode_alignment): make it work when
6238 BITS_PER_UNIT is not a power of two.
6239 * builtins.c (get_pointer_alignment): Likewise.
6241 2001-07-24 Richard Henderson <rth@redhat.com>
6243 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6244 the retrieved constant into the expected mode.
6246 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6248 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6249 (verify_flow_info): Check for duplicated edges; clarify
6252 * flow.c (block_label): Update basic_block_for_insn.
6253 (commit_edge_insertions): Call compute_bb_for_insn.
6255 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6258 * flow.c (redirect_edge_and_branch,
6259 try_optimize_cfg): Use redirect_edge_succ_nodup
6260 (redirect_edge_succ_nodup): New.
6261 * basic_block.h (redirect_edge_succ_nodup): Declare.
6263 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6266 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6268 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6269 (try_crossjump_to_edge): Update commetns.
6270 (try_crossjump_bb): Likewise.
6272 2001-07-24 Richard Henderson <rth@redhat.com>
6274 * combine.c (distribute_notes): Move set of need_refresh
6275 for noop_move_p down to catch all cases.
6277 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6279 * recog.c (split_all_insns_noflow): New.
6280 * rtl.h (split_all_insns_noflow): Declare.
6281 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6282 * m68hc11.c (m68hc11_reorg): Likewise.
6283 * sh.c (machine_dependent_reorg): Likewise.
6284 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6287 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6289 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6290 (ashlsi3_n splitter): Likewise.
6291 (lshrsi3_n splitter): Likewise.
6293 (GOTaddr2picreg): Make const SImode.
6294 (sym_label2reg): Likewise.
6295 (symGOT2reg): Likewise.
6296 (symGOTOFF2reg) Likewise.
6298 (casesi_worker_0): Make unspec SImode.
6300 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6302 * config/sh/sh.c (barrier_align): Check that an operand really is
6303 an insn before extracting its INSN_CODE.
6305 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6307 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6310 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6311 for SImode to prevent overflow.
6313 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6315 * config/mips/irix6-libc-compat.c: New file.
6316 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6317 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6320 2001-07-24 lars brinkhoff <lars@nocrew.org>
6322 * rtl.texi (REG_POINTER): Document.
6323 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6324 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6326 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6328 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6330 2001-07-23 Richard Henderson <rth@redhat.com>
6332 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6334 2001-07-23 Kazu Hirata <kazu@hxi.com>
6336 * config/h8300/h8300-protos.h: Add a prototype for
6337 general_operand_dst_push.
6338 * config/h8300/h8300.c (general_operand_dst_push): New.
6339 * config/h8300/h8300.h (OK_FOR_T): New.
6340 (EXTRA_CONSTRAINT): Use it.
6341 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6342 the existing movqi pattern.
6343 (movhi_push): Likewise.
6345 * reload.c: Fix comment typos.
6347 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6349 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6351 2001-07-23 H.J. Lu (hjl@gnu.org)
6353 * doc/extend.texi: Update __builtin_return_address and
6354 __builtin_frame_address.
6356 2001-07-23 Richard Henderson <rth@redhat.com>
6358 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6360 * config/i386/i386.md: New setcc+movzbl peephole2.
6362 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6364 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6365 * objc/objc-act.c: Include debug.h.
6366 (synth_module_prologue): Save and restore debug hooks too.
6368 2001-07-23 lars brinkhoff <lars@nocrew.org>
6370 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6371 and C4X_FLOAT_FORMAT.
6372 (BOOL_TYPE_SIZE): Document.
6374 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6376 * unroll.c (loop_iterations): Fix miscalculation of initial
6379 2001-07-13 Andrew Haley <aph@redhat.com>
6381 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6382 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6383 * config/sh/sh.c (sh_can_redirect_branch): New function.
6384 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6385 * reorg.c (steal_delay_list_from_target): Use
6386 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6388 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6390 * flow.c (try_simplify_condjump): Unlink insn chain on
6391 fallthru edge; use can_fallthru.
6393 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6395 * basic-block.h (find_sub_basic_block): Declare.
6396 * flow.c (make_edges): New arguments MIN and MAX;
6397 (find_sub_basic_blocks): Revamp to use make_edges
6398 and purge_dead_edges.
6399 (find_basic_blocks): Update call of find_sub_basic_block.
6401 * recog.c (split_all_insns): Always expect CFG to be consistent;
6402 call find_sub_basic_blocks in case something has changed.
6403 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6406 * basic-block.h (delete_noop_moves): Declare.
6407 * combine.c (combine_instructions): Call it.
6408 (recog_for_combine): Tolerate noop moves
6409 (distribute_notes): Force refresh when register dies at noop move.
6410 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6412 (life_analysis): Update delete_noop_moves call.
6413 (set_noop_p): Move too ...
6414 * rtlanal.c (noop_move_p): ... here.
6415 * rtl.h (noop_move_p): Declare.
6417 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6418 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6420 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6421 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6423 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6425 * reload.c (push_reload): Fix typo in comment.
6426 (find_reloads_address): Ditto.
6427 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6429 2001-07-22 Richard Henderson <rth@redhat.com>
6431 * flow.c: Grammar check and clarify a lot of comments.
6432 (try_simplify_condjump): Rename variables to be clearer.
6433 (try_forward_edges): Skip complex and fallthru edges.
6434 Rearrange tests to avoid duplicate checks.
6435 (flow_find_cross_jump): Likewise.
6436 (outgoing_edges_match): Allow match if neither branch has
6437 probability data. Loosen probability match to 5%.
6438 (try_crossjump_to_edge): Hoist repeated indirection into
6440 (try_crossjump_bb): Don't check complex edges. Eliminate
6441 redundant crossjump tests.
6442 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6443 checks before more expensive checks.
6445 2001-07-22 Richard Henderson <rth@redhat.com>
6447 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6448 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6451 2001-07-22 Richard Henderson <rth@redhat.com>
6453 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6454 (const_sint32_operand): Likewise.
6455 * m68k.md (anon mulsi pattern): Use const_int_operand not
6456 const_sint32_operand.
6457 (umulsi3_highpart): Zero extend a constant input.
6458 (smulsi3_highpart): Don't bother checking SImode constant.
6459 (const_umulsi3_highpart): Give op3 DImode.
6460 (const_smulsi3_highpart): Likewise.
6462 2001-07-22 Richard Henderson <rth@redhat.com>
6464 * flow.c (split_block): Make sure bb_note is included in the
6465 new block when splitting before a label.
6467 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6469 * basic-block.h (redirect_edge_and_branch_force,
6470 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6471 * flow.c (redirect_edge_and_branch_force,
6472 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6473 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6474 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6475 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6476 instead of label; update CFG after transformation.
6477 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6478 for finishing the transformation; handle even case where ELSE
6479 does not follow THEN.
6480 (find_if_case_2): Update call of dead_or_predictable; simplify
6483 * emit-rtl.c (split_branch_probability): New global variable.
6484 (try_split): Take care to set split_branch_probability and
6485 create REG_BR_PROB note for new jump insns.
6486 * md.texi (define_split): Document new feature.
6488 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6490 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6492 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6493 (asm_out_file): Remove redundant declaration.
6494 (assemble_asm): Remove old #if 0 block.
6495 (assemble_variable): Remove end of function; debug output is
6496 now handled with global_decl. Remove old #if 0 block. Update.
6497 Remove saved_in_section and associated no-op code.
6498 * Makefile.in (varasm.o): Correct dependencies.
6500 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6502 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6503 the definition in defaults.h.
6505 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6507 * jump.c: Update comments.
6508 (delete_barrier_successors, delete_unreferenced_labels,
6509 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6510 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6511 jump_optimize, jump_optimize_minimal): Kill.
6512 (rebuild_jump_labels): Move code from jump_optimize_1.
6513 (purge_line_number_notes): Likewise.
6514 (copy_loop_headers): Likewise.
6515 * reg-stack.c: Update comment.
6517 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6518 JUMP_AFTER_REGSCAN): Kill.
6519 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6520 purge_line_number_notes and copy_loop_headers.
6522 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6523 Richard Henderson <rth@redhat.com>
6525 * dbxout.c (dbxout_global_decl): New.
6526 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6527 * sdbout.c (sdbout_finish): New.
6528 (sdbout_debug_hooks): Use it, add comments.
6529 (sdbout_global_decl): Defer initialised public vars to
6531 * varasm.c (assemble_variable): Don't output debug information
6532 for file-scope variables.
6534 2001-07-22 Richard Henderson <rth@redhat.com>
6536 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6537 (get_round_mode_suffix): New.
6538 (print_operand): Use them for [/]. Remove support for [&'`()+].
6539 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6540 * config/alpha/alpha.md (attr round_suffix): New.
6541 (attr trap_suffix): New.
6542 (all insns): Set them appropriately. Use %/ instead of the
6545 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6547 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6549 2001-07-22 Richard Henderson <rth@redhat.com>
6551 * regrename.c (regrename_optimize): Compute nregs for each
6552 potential target register.
6554 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6555 Richard Henderson <rth@redhat.com>
6557 * dbxout.c (dbxout_global_decl): New.
6558 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6559 * sdbout.c (sdbout_finish): New.
6560 (sdbout_debug_hooks): Use it, add comments.
6561 (sdbout_global_decl): Defer initialised public vars to
6563 * varasm.c (assemble_variable): Don't output debug information
6564 for file-scope variables.
6566 2001-07-21 H.J. Lu (hjl@gnu.org)
6568 * config/mips/mips.c (mips_cpu): Moved into ...
6569 (override_options): Here.
6571 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6573 (mips_cpu): Removed.
6575 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6577 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6578 ("iorqi3"): Likewise.
6579 ("xorqi3"): Likewise.
6580 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6581 ("*subhi3_sp): Likewise.
6582 ("*subhi3"): Likewise.
6583 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6586 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6588 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6589 * config/freebsd.h: Likewise.
6590 * config/linux.h: Likewise.
6591 * config/openbsd.h: Likewise.
6592 * config/alpha/linux-elf.h: Likewise.
6593 * config/arm/linux-elf.h: Likewise.
6594 * config/d30v/d30v.h: Likewise.
6595 * config/fr30/fr30.h: Likewise.
6596 * config/ia64/aix.h: Likewise.
6597 * config/ia64/ia64.h: Likewise.
6598 * config/mips/linux.h: Likewise.
6599 * config/pj/pj.h: Likewise.
6600 * config/rs6000/linux.h: Likewise.
6601 * config/sparc/linux.h: Likewise.
6602 * config/sparc/linux64.h: Likewise.
6604 2001-07-20 Bruce Korb <bkorb@gnu.org>
6606 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6607 because getc() and char* may disagree on signedness.
6609 2001-07-20 Richard Henderson <rth@redhat.com>
6611 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6613 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6614 insns to delete in the presence of cc0 in a jump insn.
6616 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6617 Jan Hubicka <jh@suse.cz>
6619 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6620 of doing the change by hand.
6622 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6624 * rtlanal.c (set_noop_p): Return true for noop jumps.
6626 * expr.c (emit_single_push_insn): Add call to push expander.
6627 * expr.h (optab_index): Add OTI_push
6628 (push_optab): New constant.
6629 * genopinit.c (optabs): Add push_optab.
6630 * optabs.c (init_optab): Init push optab.
6631 * md.texi (push??1): Document
6633 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6635 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6636 expand to emit the pattern; put a REG_INC note for push/pop
6638 ("movdf", "movdf_internal"): Likewise.
6639 ("movsi", "movsi_internal"): Likewise.
6640 ("movsf", "movsf_internal"): Likewise.
6641 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6643 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6645 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6648 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6650 * params.def: Change default max inline insns to 100.
6652 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6654 * combine.c (combine_simplify_rtx): Generate a new shift operation
6655 when simplifying the first operand of a (neg (ashift)) expression.
6657 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6659 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6661 2001-07-20 Kelley Cook <kelley.cook@home.com>
6663 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6664 information. Move rest into ...
6665 (*-*-solaris): ... here. Eliminate redundant information and
6666 reword necessary packages section. Delete 4.x assembler bug info.
6667 (sparc-sun-*): Merge into ...
6668 (sparc-sun-sunos*): here.
6670 2001-07-20 Catherine Moore <clm@redhat.com>
6672 * config/v850/v850.md (casesi): Generate LABEL_REF
6675 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6677 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6678 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6679 * i386.md (strclrsi expander): Use it.
6681 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6683 * integrate.c (copy_insn_list): handle
6684 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6685 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6686 identically as to CODE_LABEL.
6688 * fold-const (fold): Convert A/B/C to A/(B*C) and
6691 * except.c (connect_post_landing_pads): Delete the RESX insns.
6693 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6695 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6697 * config/mips/mips.md (nmadd/nmsub): Use macro.
6699 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6701 * cppinit.c (remove_dup_dir): Make static.
6702 (remove_dup_dirs): Make static. Only warn about preempting a
6703 system directory with a non-system directory.
6705 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6707 * ifcvt.c (noce_try_store_flag_constants): Correct order
6708 of parameters to trunc_int_for_mode.
6710 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6712 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6713 an exception that will be caught within this function, do not fill
6714 its delay slot with any subsequent instruction.
6716 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6718 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6719 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6720 pointer extension instruction.
6721 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6722 * simplify-rtx.c (simplify_unary_operation) Likewise.
6723 * explow.c (convert_memory_address) Check value of
6724 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6726 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6727 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6728 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6729 Add Multilib Support.
6730 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6731 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6732 Add Multilib Support.
6733 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6735 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6736 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6737 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6739 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6741 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6742 old and new operands in `<', `3' and `b'.
6744 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6746 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6747 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6748 (toplev.o): Don't depend on xcoffout.h.
6749 * c-decl.c: Include debug.h
6750 (duplicate_decls): Use debug hook.
6751 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6752 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6753 (dbxout_types): Remove.
6754 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6755 * debug.c (do_nothing_debug_hooks): Update.
6756 (debug_true_tree, debug_nothing_rtx): New.
6757 * debug.h (struct rtx_def): New.
6758 (struct gcc_debug_hooks): New hooks ignore_block,
6759 outlining_inline_function and label.
6760 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6761 dwarf2out_frame_finish): New.
6762 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6763 Make static, update prototype.
6764 (dwarf2_debug_hooks): Update.
6765 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6766 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6767 * dwarfout.c (dwarf_debug_hooks): Update.
6768 * emit-rtl.c: Include debug.h.
6769 (remove_unnecessary_notes): Use debug hook.
6770 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6771 (final_scan_insn): Use debug hook.
6772 * integrate.c (output_inline_function): Use debug hook.
6773 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6774 (sdb_debug_hooks): Update.
6775 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6776 * toplev.c: Don't include xcoffout.h.
6777 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6778 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6780 * tree.h (dwarf2out_do_frame): Remove.
6782 2001-07-19 Catherine Moore <clm@cygnus.com>
6784 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6786 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6788 * reload1.c (eliminate_regs_in_insn): When updating a set
6789 to the frame pointer to the hardware frame pointer, perform
6790 the update always not just when REPLACE is set.
6792 * reload1.c (choose_reload_regs): Don't inherit a reload
6793 that crosses multiple registers if registers past the first
6794 don't fit in the desired class.
6796 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6797 when negating constants.
6799 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6801 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6802 * doc/tree.texi: Ditto.
6804 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6805 Jakub Jelinek <jakub@redhat.com>
6807 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6808 (extract_cie_info): Handle "eh" augmentation properly,
6810 (struct frame_state, __frame_state_for): New.
6812 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6814 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6815 HANDLE_SYSV_PRAGMA): Define.
6816 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6818 (copy_object): Caller changed.
6820 2001-07-19 Andreas Schwab <schwab@suse.de>
6822 * configure.in (assembler dwarf2 debug_line support): Define nop
6824 * configure: Regenerated.
6826 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6828 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6830 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6831 to conditionally compiled block.
6832 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6833 * dbxout.h (dbxout_function): Remove.
6834 * debug.c (do_nothing_debug_hooks): Update.
6835 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6836 global_decl, deferred_inline_function.
6837 * dwarf2out.c (dwarf2_debug_hooks): Update.
6838 (dwarf2out_global_decl): New.
6839 * dwarfout.c: Don't include dwarfout.h.
6840 (dwarfout_global_decl, dwarfout_function_decl,
6841 dwarfout_deferred_inline_function): New.
6842 (dwarf_debug_hooks): Update.
6843 * dwarfout.h: Remove.
6844 * final.c: Don't include dwarfout.h.
6845 * sdbout.c (sdbout_global_decl): New.
6846 (sdbout_debug_hooks): Update.
6847 * toplev.c: Don't include dwarfout.h.
6848 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6849 (note_deferral_of_defined_inline_function): Remove.
6850 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6851 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6852 * ch/lex.c: Don't include dwarfout.h.
6853 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6854 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6855 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6856 * cp/optimize.c: Include debug.h.
6857 (maybe_clone_body): Use debug hook.
6858 * cp/semantics.c: Include debug.h.
6859 (expand_body): Use debug hook.
6860 * po/POTFILES.in: Remove dwarfout.h.
6862 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6864 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6865 * c-parse.in (yyerror, _yylex): Similarly.
6866 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6867 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6869 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6870 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6872 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6874 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6875 in-class declaration at -g1. Fixes c++/2814.
6877 2001-07-18 Richard Henderson <rth@redhat.com>
6879 * doc/md.texi (reload_in/out): Document restrictions in predicates
6880 and constraints for these patterns. Document empty string matching
6883 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6885 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6887 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6889 * cse.c: Undo my previous patch.
6891 2001-07-18 Tom Tromey <tromey@redhat.com>
6894 * configure: Rebuilt.
6895 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6897 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6899 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6900 Jan Hubicka <jh@suse.cz>
6902 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6903 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6904 * jump.c (mark_jump_label): Do not forward branches.
6906 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6908 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6909 when return value is unused.
6911 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6913 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6915 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6917 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6918 on error. We can't blindly return the result of
6919 pthread_mutex_trylock because it returns a positive number on
6920 error, while we must return -1 on error.
6921 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6923 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6925 2001-07-18 Andreas Jaeger <aj@suse.de>
6927 * integrate.c (output_inline_function): Correct type of debug_hooks.
6929 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6931 * combine.c (combine_simplify_rtx): DIV can be treated
6932 associatively for floats if unsafe math optimisations are enabled.
6934 2001-07-17 Richard Henderson <rth@redhat.com>
6936 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6938 2001-07-17 Richard Henderson <rth@redhat.com>
6940 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6941 don't force the function address into a register.
6942 (expand_call, emit_library_call_value_1): Update callers.
6943 * builtins.c (expand_builtin_apply): Likewise.
6944 * expr.h (prepare_call_address): Update decl.
6946 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6948 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6950 * config/i386/chorus.h: Move up.
6951 * config/sparc/chorus.h: Likewise.
6952 * config/rs6000/chorus.h: Likewise.
6953 * config/chorus.h: Moved here.
6955 2001-07-17 Andreas Schwab <schwab@suse.de>
6957 * configure.in (assembler eh_frame optimization): Handle big
6959 * configure: Regenerated.
6961 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6963 * expr.c (epxand_expr): Convert divisions into multiplications by
6964 reciprocals if -ffast-math.
6966 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6968 * dbxout.c (dbxout_really_begin_function): Rename to
6969 dbxout_begin_function.
6970 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6971 (dbxout_begin_function): Remove.
6972 (dbxout_function): Update.
6973 (dbxout_source_line): Update prototype.
6974 * dbxout.h (dbxout_begin_function): Remove.
6975 * debug.c (do_nothing_debug_hooks): Update.
6976 (debug_nothing_tree): Update.
6977 (debug_nothing_charstar_rtx): Remove.
6978 * debug.h (union tree_node): Declare.
6979 (struct rtx_def): Remove.
6980 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6981 begin_function. Change source_line prototype.
6982 (debug_nothing_tree): New.
6983 (debug_nothing_charstar_rtx): Delete.
6984 (dwarf2out_begin_prologue): Moved from ...
6986 * dwarf2out.c (dwarf2_debug_hooks): Update.
6987 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6988 debug info, call dwarf2out_source_line.
6989 (dwarf2out_souce_line): Update prototype.
6990 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6991 Change prototype, make static.
6992 (dwarfout_source_line): Update prototype.
6993 (dwarf_debug_hooks): Update.
6994 * dwarfout.h (dwarfout_begin_function): Remove.
6995 * final.c (final_start_function, final_scan_insn): Use appropriate
6996 debug hooks, update to use notice_source_line.
6997 (output_source_line): Rename notice_source_line. Don't call the
6998 source_line debug hook.
6999 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7000 make static, update prototype.
7001 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7003 (sdbout_end_prologue): New.
7004 (sdbout_source_line): Update prototype.
7005 (sdbout_debug_hooks): Update.
7006 (sdbout_symbol): Remove unused var.
7007 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7009 * varasm.c: Include debug.h.
7010 (assemble_start_function): Use begin_function debug_hook.
7011 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7012 update with prototype.
7013 (xcoffout_source_line): Update prototype.
7014 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7016 (xcoffout_source_line): Update prototype.
7018 2001-07-17 Richard Henderson <rth@redhat.com>
7020 * c-typeck.c (build_binary_op): Do not shorten unsigned
7021 right shift after sign extension.
7023 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7025 * combine.c (combine_simplify_rtx): Attempt to simplify
7026 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7028 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7029 (simplify_binary_operation, simplify_unary_operation,
7030 simplify_relational_operation): Use it.
7032 * combine.c (combine_simplify_rtx): Don't do associative law
7033 on divisions; allow associative law on floats.
7035 2001-07-17 H.J. Lu <hjl@gnu.org>
7036 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7038 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7039 ASM_OUTPUT_WEAK_ALIAS are defined.
7040 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7041 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7043 * config/mips/iris5.h: ... here.
7044 (HANDLE_SYSV_PRAGMA): Defined as 1.
7045 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7046 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7049 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7051 * c-parse.in (all_prefix_attributes): New variable.
7052 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7053 (maybe_resetattrs): New production.
7054 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7055 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7056 notype_initdcl, nested_function, notype_nested_function,
7057 component_decl, components, components_notype,
7058 component_declarator, component_notype_declarator,
7059 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7060 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7061 after a comma being applied to more than one declarator.
7062 * doc/extend.texi (Attribute Syntax): Update. Remove
7063 documentation of bugs that are no longer present.
7065 2001-07-13 Eric Christopher <echristo@redhat.com>
7067 * config/mips/mips.h: Change TUNE_MIPS* options to use
7069 (EXTRA_SPECS): Add cc1_cpu_spec.
7070 * config/mips/mips.md (muldf3): Fix typo.
7072 2001-07-16 Richard Henderson <rth@redhat.com>
7074 * config/m68k/m68k.c: Include expr.h and reload.h.
7075 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7076 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7078 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7079 Richard Henderson <rth@redhat.com>
7081 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7082 (insn_live_p): Fix fall off end of function.
7083 (dead_libcall_p): Remove COUNTS argument; update callers.
7084 (delete_trivially_dead_insns): Remove unused variables.
7086 2001-07-17 Andreas Jaeger <aj@suse.de>
7088 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7091 * lcm.c (optimize_mode_switching): Avoid warning for unused
7092 variable if !NORMAL_MODE.
7094 * flow.c (try_crossjump_to_edge): Remove unused variable.
7096 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7098 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7099 atexit declaration in stdlib.h.
7101 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7103 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7105 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7107 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7108 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7109 do rebuild_jump_labels instead of jump_optimize
7110 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7111 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7112 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7114 * flow.c: Include timevar.h
7115 (find_basic_block): Push/pop timevar;
7116 (cleanup_cfg): Likewise.
7117 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7118 * Makefile: Add dependencies on timevar.h
7120 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7121 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7123 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7124 * toplev.c (rest_of_compilation): Update calls.
7125 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7126 (delete_trivially_dead_insns): ... here; accept new argument
7127 preserve_basic_blocks; preserve basic blocks if set.
7129 * reg-stack.c (stack_regs_mentioned): Return 0 if
7130 stack_regs_mentioned_data is not initialized.
7131 (reg_to_stack): Make stack_regs_mentioned survive after the
7132 reg-stack is completted; do not call cleanup_cfg.
7133 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7134 make cleanup_cfg after bb-reorder to output to debug file.
7136 2001-07-16 Richard Henderson <rth@redhat.com>
7138 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7139 from int_reg_class_contents.
7141 2001-07-16 Richard Henderson <rth@redhat.com>
7143 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7144 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7145 (init_reg_sets_1): Move initialization from cse_main.
7146 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7147 (cse_main): Move its initialization also.
7148 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7149 * flow.c (propagate_one_insn): Likewise.
7150 * gcse.c (compute_hash_table): Likewise.
7151 (compute_kill_rd, compute_store_table): Likewise.
7152 * sched-deps.c (sched_analyze_1): Likewise.
7154 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7156 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7159 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7161 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7162 in if statement so we don't access undefined memory.
7164 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7166 * gcse.c: Update comment at top.
7167 Update comment on mem handling.
7168 mem_last_set, mem_first_set, mem_set_in_block: gone.
7169 Declaration of reg_set_info: gone.
7170 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7171 pointless with load_killed_in_block_p (they are *more*
7172 conservative then it, not less, and less accurate).
7173 (oprs_not_set_p): Ditto.
7174 (alloc_gcse_mem): Don't allocate mem_set_in_block
7175 (free_gcse_mem): Don't free it, either.
7176 (record_last_mem_set_info): Update comment in front, remove
7177 mem_*set_* stuff. Note the reason we don't handle stores directly
7179 (compute_hash_table): Update comments to reflect reality. Remove
7180 mem_*set_* references.
7181 (reset_opr_set_tables): Remove mem_*set_* references.
7183 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7184 (mark_clobber): Ditto (on both parts, we double set here too).
7185 (expr_killed_p): Remove mem_set_in_block test.
7186 (compute_transp): Remove mem_set_in_block test.
7188 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7189 of edge, and removal of phi alternative to dump file.
7190 (ssa_ccp_substitute_constants): Add note about register now being
7191 constant, and which uses were replaced in what insns to dump file.
7193 2001-07-16 Andreas Jaeger <aj@suse.de>
7195 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7196 variables of type HOST_WIDEST_INT.
7198 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7199 (__bb_exit_func): Correct type of count_max to avoid overflow.
7200 (num_digits): Handle long long argument.
7202 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7204 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7206 * output.h (sdb_begin_function_line): Restore as an extern
7208 * sdbout.c (sdb_begin_function_line): Make extern.
7210 2001-07-15 Richard Henderson <rth@redhat.com>
7212 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7213 * genrecog.c (maybe_both_true_mode): New.
7214 (maybe_both_true_2): Use it.
7215 (write_switch): Don't put Pmode in a switch.
7216 * rtl.c (mode arrays): Don't explicitly size them.
7218 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7220 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7221 handling; move unconditional splitting before mode switching.
7223 * i386.md (type): Add fistp type.
7224 (i387, length_attr, scheduling definitions): Handle this type.
7225 (fix_trunc?f?i2): Revamp to use mode switching.
7226 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7227 * i386.h (fp_cw_mode): New enum
7228 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7229 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7231 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7233 * Makefile.in (integrate.o): Add debug.h.
7234 * integrate.c (debug.h): Add.
7235 (output_inline_function): Save, reset, and restore debug_hooks.
7237 2001-07-15 Richard Henderson <rth@redhat.com>
7239 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7240 instead of COMPARE for the EQUIV expression.
7242 2001-07-15 Richard Henderson <rth@redhat.com>
7244 * flow.c (redirect_edge_and_branch_force): Initialize
7245 global_live_at_start and global_live_at_end.
7246 (allocate_bb_life_data): Export.
7247 * basic-block.h (allocate_bb_life_data): Declare.
7248 * toplev.c (rest_of_compilation): Call it.
7250 2001-07-15 Richard Henderson <rth@redhat.com>
7252 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7253 (alpha_tablejump_best_label): New.
7254 * config/alpha/alpha-protos.h: Declare them.
7255 * config/alpha/alpha.md: Use braced strings for code blocks.
7256 (tablejump_osf): Break out add with r29.
7257 (tablejump_osf_internal): Remove.
7258 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7259 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7261 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7263 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7266 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7268 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7269 (ix86_fp_jump_nontrivial_p): New.
7270 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7271 use ix86_fp_jump_nontrivial_p.
7272 * i386.c (ix86_fp_jump_nontrivial_p): New.
7273 (ix86_split_fp_branch): Accept code instead of rtx.
7274 (ix86_expand_compare): Expand comparison early in case
7275 doing so is resonably cheap.
7277 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7279 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7281 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7282 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7284 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7286 * dbxout.c (dbxout_source_line): Make static, update prototype.
7287 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7288 (dbxout_init, dbxout_finish, dbxout_source_line,
7289 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7290 * dbxout.h (dbxout_source_line): Delete.
7291 * debug.c (debug_nothing_file, debug_nothing_file_int,
7292 debug_nothing_file_charstar_rtx): New.
7293 (do_nothing_debug_hooks): Update.
7294 (debug_nothing_void, debug_nothing_charstar_rtx,
7295 dwarf2out_end_epilogue): New.
7296 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7297 * debug.h (struct rtx_def): Declare.
7298 (gcc_debug_hooks): New hooks source_line, end_epilogue
7300 (debug_nothing_void, debug_nothing_charstar_rtx,
7301 dwarf2out_end_epilogue): New.
7302 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7303 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7304 (dwarf2_debug_hooks): Update.
7305 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7306 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7307 * dwarf2out.h (dwarf2out_source_line): Remove.
7308 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7309 Make static, update prototype.
7310 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7311 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7312 (dwarf_debug_hooks): Update.
7313 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7314 dwarfout_end_function): Remove.
7315 * final.c (profile_function): Use debug hooks for ending functions
7317 (output_source_line, final_end_function): Update prototype,
7319 (final_start_function, final_scan_insn): Update.
7320 * output.h (sdb_begin_function_line): Remove.
7321 (final_end_function): Update prototype.
7322 * sdbout.c (sdb_begin_function_line): Make static.
7323 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7324 (sdbout_source_line): New.
7325 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7327 (sdb_debug_hooks): Update.
7328 (sdbout_init, sdbout_source_line,
7329 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7330 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7331 * toplev.c (compile_file, rest_of_compilation): Update.
7332 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7333 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7334 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7335 Update for prototype changes.
7336 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7337 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7339 2001-07-15 Richard Henderson <rth@redhat.com>
7341 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7342 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7343 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7344 * config/alpha/alpha.c: Likewise.
7345 * config/alpha/alpha.md: Likewise.
7346 * config/alpha/alpha32.h: Likewise.
7347 * config/alpha/vms.h: Likewise.
7350 2001-07-14 Richard Henderson <rth@redhat.com>
7352 * config/alpha/alpha.md: Use define_constants for unspec values.
7353 Substitute throughout.
7355 2001-07-14 Tim Josling <tej@melbpc.org.au>
7357 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7359 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7361 * pa.md: Remove unused constraints from define_split's.
7363 2001-04-14 Richard Henderson <rth@redhat.com>
7365 * ifcvt.c (find_cond_trap): Test for exit block.
7367 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7369 Re-install recently reverted patch.
7370 * emit-rtl.c (try_split): Update mark_jump_label call.
7371 * flow.c (find_sub_basic_blocks): Likewise.
7372 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7374 (mark_all_labels): Kill second parameter.
7375 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7376 (rebuild_jump_labels, jump_optimize_minimal): Update call
7378 (jump_optimize_1): Kill crossjumping code.
7379 (mark_jump_label): Kill cross_jump parameter.
7380 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7381 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7382 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7384 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7386 (dump_file_info): Likewise.
7387 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7388 reorganize passes to do reg-stack first, bb-reorder second.
7389 * invoke.texi (-d letters doc): Remove the jump2 pass.
7391 2001-07-14 Richard Henderson <rth@redhat.com>
7393 * ifcvt.c (find_cond_trap): New.
7394 (find_if_header): Call it.
7395 (merge_if_block): Relax existing jump sanity check.
7396 * jump.c (jump_optimize_1): Remove conditional trap handling.
7398 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7400 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7402 (insn_refs_are_delayed): Correct comment.
7403 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7404 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7405 instead of r31. Make associated insn !TARGET_64BIT, and
7406 provide an additional 64-bit insn that clobbers r2.
7408 (udivsi3): Likewise.
7410 (umodsi3): Likewise.
7412 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7414 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7416 * flow.c (redirect_edge_and_branch_force, split_edge,
7417 try_crossjump_to_edge): Use set_block_for_new_insns.
7418 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7420 2001-07-13 H.J. Lu (hjl@gnu.org)
7422 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7425 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7427 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7429 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7431 * c-common.c (decl_attributes): Take a pointer to the node to
7432 which attributes are to be attached, and a flags argument.
7433 * c-common.h (enum attribute_flags): New.
7434 (decl_attributes): Update prototype.
7435 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7436 finish_enum, start_function): Update calls to decl_attributes.
7437 * c-parse.in (component_declarator, component_notype_declarator,
7438 label): Update calls to decl_attributes.
7440 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7442 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7443 * config/avr/avr.c (legitimate_address_p): Return value changed
7444 from letter to register classes. For better debugging.
7446 2001-07-13 Kazu Hirata <kazu@hxi.com>
7448 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7450 2001-07-13 H.J. Lu (hjl@gnu.org)
7452 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7454 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7456 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7457 correctly for shared configurations.
7458 * config/t-libgcc-pic: New.
7459 * config/{i386,m68k,sparc}/t-openbsd: New.
7460 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7461 Support -shared. Support debugging libraries with -g.
7462 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7463 frame information does not emit pointer diffs.
7464 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7467 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7469 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7471 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7473 * combine.c (try_combine): Ensure const_int pow2 is positive.
7475 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7477 * config.gcc: Add configuration for s/390.
7478 * config/s390/s390.c: New. Subroutines for code generation.
7479 * config/s390/s390.h: New. Definitions for s/390.
7480 * config/s390/s390-protos.h: New. Prototypes.
7481 * config/s390/linux.h: New. Definitions for linux for s/390.
7482 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7483 * config/s390/t-linux: New. Makefile fragment.
7484 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7485 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7487 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7489 * emit-rtl.c (try_split): Update mark_jump_label call.
7490 * flow.c (find_sub_basic_blocks): Likewise.
7491 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7493 (mark_all_labels): Kill second parameter.
7494 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7495 (rebuild_jump_labels, jump_optimize_minimal): Update call
7497 (jump_optimize_1): Kill crossjumping code.
7498 (mark_jump_label): Kill cross_jump parameter.
7499 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7500 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7501 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7503 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7505 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7506 reorganize passes to do reg-stack first, bb-reorder second.
7507 * invoke.texi (-d letters doc): Remove the jump2 pass.
7509 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7511 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7513 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7515 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7517 (verify_flow_info): Make diagnostics prettier.
7519 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7521 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7523 * flow.c (outgoing_edges_match): Return early if condition reversal
7526 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7528 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7529 (mips_move_2words): When splitting a move into two instructions,
7530 prefix the second address operand with '%D'.
7532 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7534 * Makefile.in (final.o): Depend on debug.h.
7535 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7536 (dbx_debug_hooks): Add new hooks.
7537 (xcoff_debug_hooks): New.
7538 * debug.c (debug_nothing_file_int_int): New.
7539 (do_nothing_debug_hooks): Update.
7540 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7541 (debug_nothing_file_int_int): New.
7542 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7543 static, update prototype.
7544 (dwarf2_debug_hooks): Update.
7545 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7546 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7547 static, update prototype.
7548 (dwarf_debug_hooks): Update.
7549 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7550 * final.c: Include debug.h.
7551 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7552 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7553 static, update prototype.
7554 (sdb_debug_hooks): Update.
7555 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7556 * toplev.c: Distinguish between xcoff and dbx.
7558 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7559 Call all debug hooks, not just dwarf ones.
7561 2001-07-11 Timothy Wall <twall@redhat.com>
7563 * config.gcc: Add configuration for AIX5/IA64.
7564 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7565 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7566 support prefix/suffix code.
7567 * config/ia64/t-aix: New. Makefile fragment.
7568 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7570 2001-07-11 Kazu Hirata <kazu@hxi.com>
7572 * recog.c (validate_change): Fix a comment typo.
7574 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7576 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7577 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7579 * dbxout.c (dbx_debug_hooks): Add new hooks.
7580 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7582 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7584 * dbxout.h (dbxout_start_new_source_file,
7585 dbxout_resume_previous_source_file): Delete.
7586 * debug.c (do_nothing_debug_hooks): Add new hooks.
7587 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7588 (debug_nothing_int_charstar, debug_nothing_int): New.
7589 * debug.h (gcc_debug_hooks): New hooks define, undef,
7590 start_source_file and end_source_file.
7591 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7592 (debug_nothing_int_charstar, debug_nothing_int): New.
7593 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7594 the conditionally compiled section.
7595 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7596 dwarf2out_define, dwarf2out_undef): Make static.
7597 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7598 dwarf2out_define, dwarf2out_undef): Remove.
7599 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7600 (dwarfout_start_source_file, dwarfout_end_source_file,
7601 dwarfout_define, dwarfout_undef): Make static.
7602 (dwarfout_start_source_file_check,
7603 dwarfout_end_source_file_check): New.
7604 (dwarfout_define, dwarfout_finish): Update.
7605 * dwarfout.h (dwarfout_start_new_source_file,
7606 dwarfout_resume_previous_source_file, dwarfout_define,
7607 dwarfout_undef): Remove.
7608 * sdbout.c (sdb_debug_hooks): Add new hooks.
7609 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7611 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7612 make static, take an arg.
7613 * sdbout.h (sdbout_start_new_source_file,
7614 sdbout_resume_previous_source_file): Delete.
7615 * toplev.c (debug_start_source_file, debug_end_source_file,
7616 debug_define, debug_undef): Delete.
7617 * toplev.h (debug_start_source_file, debug_end_source_file,
7618 debug_define, debug_undef): Delete.
7620 * java/jcf-parse.c: Include debug.h.
7621 (parse_class_file): Update to use debug hooks directly.
7622 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7624 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7626 * alias.c (set_mem_alias_set): New function.
7627 * rtl.h (set_mem_alias_set): Declare it.
7628 * builtins.c (expand_builtin_return_addr): Call it instead of
7629 using MEM_ALIAS_SET accessor.
7630 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7631 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7632 (expand_builtin_va_copy):Likewise.
7633 * caller-save.c (setup_save_areas): Likewise.
7634 * calls.c (compute_argument_addresses): Likewise.
7635 * explow.c (set_mem_attributes): Likewise.
7636 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7637 (expand_assignment, store_constructor_field, store_field): Likewise.
7638 (expand_expr_unaligned): Likewise.
7639 * function.c (assign_stack_temp_for_type): Likewise.
7640 (put_reg_into_stack, gen_mem_addressof): Likewise.
7641 * ifcvt.c (noce_try_cmove_arith): Likewise.
7642 * reload1.c (reload, alter_reg): Likewise.
7643 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7644 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7645 (alpha_expand_unaligned_store): Likewise
7646 (alpha_expand_unaligned_load_words): Likewise.
7647 (alpha_expand_unaligned_store_words): Likewise.
7648 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7649 (alpha_expand_epilogue): Likewise.
7650 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7651 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7652 * config/i386/i386.c (legitimize_pic_address): Likewise.
7653 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7654 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7655 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7656 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7657 * config/mips/mips.c (mips_va_arg): Likewise.
7658 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7659 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7660 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7661 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7662 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7663 (rs6000_emit_epilogue): Likewise.
7664 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7665 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7666 * config/v850/v850.c (v850_va_arg): Likewise.
7668 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7670 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7671 when fallthru edge is present.
7672 (mege_blocks): Handle case where creation of jump insn
7675 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7676 CLEANUP_POST_REGSTACK): New constants.
7677 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7678 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7679 * output.h (cleanup_cfg): Update prototype.
7680 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7681 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7682 cleanup_cfg call; kill missleading comment.
7683 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7684 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7685 parameter; control optimizations performed using it.
7686 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7687 try_crossjump_bb): New functions.
7689 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7691 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7693 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7694 pa_output_function_prologue.
7695 * pa-protos.h (pa_output_function_prologue): New prototype.
7697 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7699 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7700 and low to get correct sign extension in low+high test.
7702 2001-07-11 Janis Johnson <janis@us.ibm.com>
7704 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7705 for large hit count.
7707 * profile.c (branch_prob): Fix .bbg info for computed gotos
7710 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7712 * stmt.c (parse_output_constraint): New function, split out
7714 (expand_asm_operands): ... here. Use parse_output_constraint.
7715 * tree.h (parse_output_constraint): Declare it.
7717 2001-07-11 Richard Henderson <rth@redhat.com>
7719 * bitmap.c: Comment some functions; fiddle whitespace.
7720 (bitmap_free): Don't export.
7721 (bitmap_element_allocate): Use memset.
7722 * bitmap.h (bitmap_free): Don't declare.
7724 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7726 * gcse.c, lcm.c, sched-deps.c:
7727 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7729 * flow.c (flow_loops_find): Free dom if we found no loops, since
7730 we aren't going to save it.
7732 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7735 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7737 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7739 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7741 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7742 #ifndef DWARF2_DEBUGGING_INFO.
7744 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7746 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7748 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7750 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7751 reverse a branch if a NE comparison is implemented with GTU.
7753 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7754 H.J. Lu <hjl@gnu.org>
7756 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7758 (call_internal2): Likewise.
7759 (call_value_internal1): Likewise.
7760 (call_value_internal2): Likewise.
7761 (call_value_multiple_internal1): Likewise.
7762 (call_value_multiple_internal2): Likewise.
7764 2001-07-10 Kazu Hirata <kazu@hxi.com>
7766 * calls.c (emit_library_call_value_1): Fix a comment typo.
7767 * dwarf2out.c (mem_loc_descriptor): Likewise.
7768 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7770 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7772 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7774 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7776 * recog.c (offsettable_address_p): Handle LO_SUM case.
7777 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7778 instead of plus_constant.
7780 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7782 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7783 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7785 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7787 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7788 adjust_address_nv instead of plus_constant.
7790 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7792 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7793 dwarf2out.o): Depend on debug.h, wrap long lines.
7794 * dbxout.c: Include debug.h.
7795 (dbx_debug_hooks): New.
7796 (dbxout_init): Make static, take just 2 args.
7797 (dbxout_finish): Make static.
7798 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7799 * debug.c: New file.
7800 * debug.h: New file.
7801 * dwarf2out.c: Include debug.h.
7802 (dwarf2_debug_hooks): New.
7803 (dwarf2out_init): Make static.
7804 (dwarf2out_finish): Make static, take 2 args.
7805 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7806 * dwarfout.c: Include debug.h.
7807 (dwarf_debug_hooks): New.
7808 (dwarfout_init): Make static.
7809 (dwarfout_finish): Make static, take 2 args.
7810 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7811 * sdbout.c: Include debug.h.
7812 (sdb_debug_hooks): New.
7813 (sdbout_init): Make static, take 2 args.
7814 * sdbout.h (sdbout_init): Delete.
7815 * toplev.c: Include debug.h.
7817 (compile_file): Set deubg_hooks based on command line options.
7818 Use the hooks unconditionally rather than conditional compilation.
7820 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7822 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7823 first_insn_after_basic_block_note instead.
7825 * df.c (df_bb_refs_unlink): #if 0 out for now.
7827 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7829 * ssa.h: Add prototype for ssa_const_prop
7830 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7831 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7832 (ssa_fast_dce): Remove unused variable
7834 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7836 * diagnostic.c (finish_diagnostic): Rename to
7837 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7840 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7842 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7845 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7846 (dump_file): Only pad the demangled name with spaces if the
7847 mangled name was padded with spaces.
7849 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7851 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7854 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7856 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7857 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7860 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7861 whether can put offset inside LO_SUM to check mode alignment, not size.
7863 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7865 * doc/tm.texi (Misc): Fix thinko.
7867 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7869 * regmove.c (replace_in_call_usage): Fix warnings.
7870 * sched-deps.c (add_dependence): Fix warnings.
7871 * simplify-rtx.c (simplify_subreg): Likewise.
7872 Return NULL_RTX instead of NULL.
7874 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7875 (subst_asm_stack_regs): Likewise.
7877 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7880 * dwarf2out.c (output_call_frame_info): Declare i as int.
7881 (build_abbrev_table): Declare n_alloc as int.
7882 (dwarf2out_finish): Initialize die.
7883 * except.c: Declare sjlj_funcdef_number as unsigned.
7884 (connect_post_landing_pads): Declare j as unsigned.
7885 (convert_to_eh_region_ranges): Initialize call_site.
7886 (output_function_exception_table): Initialize tt_format_size.
7887 * expr.c (move_by_pieces_1): Initialize to1.
7888 (store_constructor): Initialize minelt and maxelt.
7889 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7890 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7892 * c-decl.c (combine_parm_decls): Unused, remove.
7893 * c-tree.h: Remove prototype for combine_parm_decls.
7895 * reload.c (push_reload): Fix warning.
7896 (regno_clobbered_p): Likewise.
7897 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7898 (reload_combine): Likewise.
7900 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7901 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7903 * bitmap.c (bitmap_operation): Change user.
7904 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7906 2001-07-10 Eric Christopher <echristo@redhat.com>
7908 * config/mips/mips.c (override_options): Fix typo.
7910 2001-07-09 Stan Shebs <shebs@apple.com>
7912 * target.h (struct gcc_target): New fields init_builtins and
7914 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7915 (TARGET_EXPAND_BUILTIN): New macro.
7916 (TARGET_INITIALIZER): Add them.
7917 * builtins.c: Include target.h.
7918 (expand_builtin): Use targetm.expand_builtin.
7919 (default_init_builtins): New function.
7920 (default_expand_builtin): New function.
7921 * expr.h (default_init_builtins): Declare.
7922 (default_expand_builtin): Declare.
7923 * c-common.c (c_common_nodes_and_builtins): Use
7924 targetm.init_builtins.
7925 * defaults.h (MD_INIT_BUILTINS): Remove.
7926 * Makefile.in (builtins.o): Depend on target.h.
7928 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7929 (TARGET_EXPAND_BUILTIN): Define.
7930 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7931 (MD_EXPAND_BUILTIN): Remove.
7933 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7934 (TARGET_EXPAND_BUILTIN): Define.
7935 (c4x_init_builtins): Make endlink arg a local.
7936 (c4x_print_operand): Fix typos in adjust_address usages.
7937 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7938 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7939 (MD_EXPAND_BUILTIN): Remove.
7941 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7942 (TARGET_EXPAND_BUILTIN): Define.
7943 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7944 (ix86_init_builtins): Call new function only if TARGET_MMX.
7945 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7946 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7947 (MD_EXPAND_BUILTIN): Remove.
7949 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7950 (TARGET_EXPAND_BUILTIN): Define.
7951 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7952 (MD_EXPAND_BUILTIN): Remove.
7954 * doc/tm.texi: Document these changes.
7956 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7958 * basic-block.h (tree_node): Forward declare if needed.
7959 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7960 (BLOCK_HEAD_TREE): Define.
7961 (BLOCK_END_TREE): Define.
7962 (struct loops): Rename field 'tree' to 'tree_root'.
7963 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7965 (flow_loops_tree_build): Rename reference to field 'tree' to
7967 (flow_loops_level_compute): Ditto.
7968 * predict.c (estimate_bb_frequencies): Ditto.
7969 * tree.h (struct tree_common): Add field 'aux'.
7971 2001-07-09 Stan Shebs <shebs@apple.com>
7973 * config/darwin.c (darwin_encode_section_info): Don't mark any
7974 DECL_EXTERNAL node as defined.
7976 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7978 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7979 pa_free_machine_status, hppa_init_pic_save): Delete.
7980 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7981 (hppa_profile_hook): Use hppa_pic_save_rtx.
7982 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7983 hppa_init_pic_save): Delete.
7984 (hppa_pic_save_rtx): Declare.
7985 * pa.md (call, call_value, sibcall, sibcall_value,
7986 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7988 2001-07-09 Kazu Hirata <kazu@hxi.com>
7990 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7991 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7993 2001-07-09 Andreas Jaeger <aj@suse.de>
7995 * output.h: Add declaration of final_forward_branch_p.
7997 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7999 * varray.c: Include errors.h for internal_error and trim_filename
8002 * Makefile.in (varray.o): Add errors.h.
8004 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8006 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8007 * optabs.c (have_add2_insn): Check whether the add insn chosen
8008 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8009 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8011 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8013 * Makefile.in (OBJS): Add ssa-ccp.o
8014 (ssa-ccp.o): Add dependencies.
8015 * toplev.c (DFI_ssa_ccp): New dump file enum.
8016 (dump_file): Add entry for dumping after SSA CCP.
8017 (flag_ssa_ccp): New flag variable.
8018 (f_options): Add -fssa-ccp.
8019 (rest_of_compilation): Run SSA CCP if requested.
8020 * timevar.def (TV_SSA_CCP): New timevar.
8021 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8022 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8023 Fix minor typo in SSA DCE documentation.
8024 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8025 Add documentation for new dump option. Renumber dump files
8028 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8030 * emit-rtl.c (gen_highpart_mode): New.
8031 * rtl.h (gen_highpart_mode): Declare.
8032 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8033 operand can be VOIDmode constant.
8035 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8037 * flow.c (redirect_edge_and_branch_force): New.
8038 (can_fallthru): Ensure that basic blocks are succeeding.
8039 (try_optimize_cfg): Do not delete basic block if it is the last one.
8041 * flow.c (try_redirect_by_replacing_jump): Do not remove
8042 jumps with side effects, unlink chain on fallthru edge;
8043 set block for new jump instruction; avoid basic block to
8044 over by line number note.
8046 * flow.c (try_simplify_condjump): Verify that the condjump
8047 is not always falling trought.
8050 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8052 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8053 (try_redirect_by_replacing_jump): Update properly the count
8054 and frequency information.
8056 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8058 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8059 address that is a LO_SUM specially.
8060 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8062 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8064 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8065 (operand_subword): Use them.
8066 (change_address_1): Renamed from change_address; new arg VALIDATE.
8067 * expr.h: Reflect above changes; change_address now macro.
8068 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8070 * cselib.c (add_mem_for_addr): Likewise.
8071 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8072 * regmove.c (try_apply_stack_adjustment): Likewise.
8073 * reload.c (push_reload, make_memloc): Likewise.
8074 * reload1.c (eliminate_regs): Likewise.
8075 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8076 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8078 * combine.c (make_extraction, simplify_shift_const): Likewise.
8079 (gen_lowpart_for_combine): Likewise.
8080 * cse.c (gen_lowpart_if_possible): Likewise.
8081 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8082 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8083 * optabs.c (gen_move_insn): Likewise.
8084 * reload1.c (alter_reg): Likewise.
8085 * simplify-rtx.c (simplify_subreg): Likewise.
8086 * stmt.c (expand_anon_union_decl): Likewise.
8087 * recog.c (validate_replace_rtx_1): Likewise.
8089 * Makefile.in (recog.o): Add $(EXPR_H).
8090 * explow.c (stabilize): Call replace_equiv_address.
8091 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8092 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8094 2001-07-03 Andrew Haley <aph@redhat.com>
8096 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8097 the mode of the memory location.
8099 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8101 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8103 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8105 * final.c (output_addr_const): Use target opening and
8106 closing parentheses.
8107 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8108 defaults, add to TARGET_ASM_OUT.
8109 * target.h (struct gcc_target): Add open_paren and close_paren.
8110 * doc/md.texi: Update.
8111 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8112 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8113 TARGET_ASM_CLOSE_PAREN.
8114 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8116 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8118 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8119 * config/a29k/a29k.h: Similarly.
8120 * config/alpha/alpha.h: Similarly.
8121 * config/arc/arc.h: Similarly.
8122 * config/arm/aof.h: Similarly.
8123 * config/arm/aout.h: Similarly.
8124 * config/avr/avr.h: Similarly.
8125 * config/c4x/c4x.h: Similarly.
8126 * config/clipper/clipper.h: Similarly.
8127 * config/convex/convex.h: Similarly.
8128 * config/d30v/d30v.h: Similarly.
8129 * config/dsp16xx/dsp16xx.h: Similarly.
8130 * config/elxsi/elxsi.h: Similarly.
8131 * config/fr30/fr30.h: Similarly.
8132 * config/h8300/h8300.h: Similarly.
8133 * config/i370/i370.h: Similarly.
8134 * config/i386/i386.h: Similarly.
8135 * config/i860/i860.h: Similarly.
8136 * config/i960/i960.h: Similarly.
8137 * config/ia64/ia64.h: Similarly.
8138 * config/m32r/m32r.h: Similarly.
8139 * config/m68hc11/m68hc11.h: Similarly.
8140 * config/m68k/m68k.h: Similarly.
8141 * config/m88k/m88k.h: Similarly.
8142 * config/mcore/mcore.h: Similarly.
8143 * config/mips/mips.h: Similarly.
8144 * config/mn10200/mn10200.h: Similarly.
8145 * config/mn10300/mn10300.h: Similarly.
8146 * config/ns32k/ns32k.h: Similarly.
8147 * config/pa/pa.h: Similarly.
8148 * config/pdp11/pdp11.h: Similarly.
8149 * config/pj/pj.h: Similarly.
8150 * config/romp/romp.h: Similarly.
8151 * config/rs6000/rs6000.h: Similarly.
8152 * config/sh/sh.h: Similarly.
8153 * config/sparc/sparc.h: Similarly.
8154 * config/v850/v850.h: Similarly.
8155 * config/vax/vax.h: Similarly.
8156 * config/we32k/we32k.h: Similarly.
8158 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8160 * doc/c-tree.texi: Document representation of attributes.
8162 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8164 * doc/tm.texi: Update some places for the rename of target to
8167 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8169 * target.h (struct gcc_target): Add insert_attributes.
8170 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8171 (TARGET_INITIALIZER): Update.
8172 * tree.c, tree.h (default_insert_attributes): New function.
8173 Update comments on other default functions to refer to targetm,
8175 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8176 TARGET_INSERT_ATTRIBUTES.
8177 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8178 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8179 Don't use PRAGMA_INSERT_ATTRIBUTES.
8180 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8181 * c-decl.c (start_decl, start_function): Don't call
8182 SET_DEFAULT_DECL_ATTRIBUTES.
8183 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8184 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8186 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8187 (c4x_check_attribute): Avoid modifying attribute list itself.
8188 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8190 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8191 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8193 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8194 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8196 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8197 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8199 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8200 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8201 Adjust parameters. Make static.
8203 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8205 * c-common.c (decl_attributes): Only take a single attributes
8207 * c-common.h (decl_attributes): Update prototype.
8208 * c-decl.c (start_decl, start_function): Only take a single
8209 attributes parameter. Update calls to decl_attributes.
8210 (finish_struct, finish_enum): Update calls to decl_attributes.
8211 (push_parm_decl): Expect unified list of attributes. Update call
8213 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8214 notype_nested_function, component_declarator,
8215 component_notype_declarator, label): Update calls to
8217 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8218 lists that are passed to push_parm_decl.
8219 * c-tree.h (start_function, start_decl): Update prototypes.
8220 * config/sh/sh-protos.h, config/sh/sh.c
8221 (sh_pragma_insert_attributes): Only take a single attributes
8223 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8224 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8225 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8226 build_module_descriptor, generate_static_references,
8227 generate_strings, build_selector_translation_table,
8228 generate_descriptor_table, generate_protocols,
8229 generate_ivars_list, generate_dispatch_table,
8230 generate_protocol_list, generate_category,
8231 generate_shared_structures, really_start_method, add_objc_decls,
8232 generate_classref_translation_entry): Update calls to start_decl
8234 (build_tmp_function_decl, start_method_def): Unify attribute lists
8235 that are passed to push_parm_decl.
8237 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8239 * final.c (no_asm_to_stream): New.
8240 (final_scan_insn): Use target structures for prologue ends
8241 and epilogue starts.
8242 * output.h (no_asm_to_stream): New.
8243 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8244 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8245 (TARGET_ASM_OUT): Update.
8246 * target.h (struct gcc_target): New members function_end_prologue
8247 and function_begin_epilogue.
8248 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8249 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8250 * config/alpha/alpha.c (output_end_prologue): Rename to
8251 alpha_output_function_end_prologue. Use in target struct
8253 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8254 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8255 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8256 ia64_output_function_end_prologue. Use in target struct
8258 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8259 mistyped prototypes.
8260 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8261 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8263 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8264 an use in target struct, make static.
8265 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8268 2001-07-08 Richard Henderson <rth@redhat.com>
8270 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8272 2001-07-08 Richard Henderson <rth@redhat.com>
8274 * config/i386/i386.md: Remove constraints strings from define_split
8275 and define_peephole2 patterns.
8276 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8277 (eh_return): Use them.
8279 2001-07-08 Richard Henderson <rth@redhat.com>
8281 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8282 Document MD_FALLBACK_FRAME_STATE_FOR.
8284 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8286 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8287 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8289 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8291 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8293 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8294 of the label inside NAME as opposed to just the end of NAME.
8296 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8298 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8299 * config/alpha/alpha.c (alpha_init_machine_status,
8300 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8301 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8302 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8303 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8305 2001-07-06 Stan Shebs <shebs@apple.com>
8307 * target.h (targetm): Rename global from "target", so as not to
8308 conflict with local variables.
8310 * c-typeck.c: Ditto.
8314 * cp/decl2.c: Ditto.
8315 * cp/typeck.c: Ditto.
8316 * 1750a/1750a.c: Ditto.
8317 * a29k/a29k.c: Ditto.
8321 * clipper/clipper.c: Ditto.
8322 * convex/convex.c: Ditto.
8323 * d30v/d30v.c: Ditto.
8324 * dsp16xx/dsp16xx.c: Ditto.
8325 * elxsi/elxsi.c: Ditto.
8326 * fr30/fr30.c: Ditto.
8327 * h8300/h8300.c: Ditto.
8328 * i370/i370.c: Ditto.
8329 * i386/i386.c: Ditto.
8330 * i860/i860.c: Ditto.
8331 * i960/i960.c: Ditto.
8332 * ia64/ia64.c: Ditto.
8333 * m32r/m32r.c: Ditto.
8334 * m68hc11/m68hc11.c: Ditto.
8335 * m68k/m68k.c: Ditto.
8336 * m88k/m88k.c: Ditto.
8337 * mips/mips.c: Ditto.
8338 * ns32k/ns32k.c: Ditto.
8340 * pdp11/pdp11.c: Ditto.
8341 * romp/romp.c: Ditto.
8342 * rs6000/rs6000.c: Ditto.
8344 * sparc/sparc.c: Ditto.
8346 * we32k/we32k.c: Ditto.
8347 * doc/tm.texi: Update the manual to match.
8349 2001-07-06 Richard Henderson <rth@redhat.com>
8351 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8352 DWARF2_UNWIND_INFO not just whether it is defined.
8354 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8356 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8357 call to simplify_binary_operation returns a new pattern.
8359 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8361 * glimits.h (__SHRT_MAX__): New.
8362 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8363 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8365 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8367 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8370 2001-07-06 Richard Henderson <rth@redhat.com>
8372 * bitmap.c (bitmap_release_memory): Move adjacent to the
8373 allocation functions.
8374 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8375 the implementation. Binary search for the set bit.
8376 (bitmap_union_of_diff): Allocate the temporary on the stack
8377 instead of using xmalloc.
8379 2001-07-06 Richard Henderson <rth@redhat.com>
8381 * genrecog.c (validate_pattern): Warn for constraints in
8382 define_{expand,split,peephole2}. Remove strict_low_part
8383 before looking up match_dup.
8385 2001-07-06 DJ Delorie <dj@redhat.com>
8387 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8388 chapter about various build hints and history. Add section
8389 talking about the various types of native and cross builds.
8391 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8393 * Makefile.in (final.o): Depend on target.h.
8394 * final.c: Include target.h.
8395 (default_function_pro_epilogue): New.
8396 (final_start_function): Use target structure for function prologues.
8397 (final_end_function): Use target structure for function epilogues.
8398 * fold-const.c (real_hex_to_f): Constify s and p.
8399 * output.h (default_function_pro_epilogue): New.
8400 * real.h (real_hex_to_f): Update prototype.
8401 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8402 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8403 (TARGET_INITIALIZER): Update.
8404 * target.h (gcc_target): Add struct asm_out.
8405 * doc/tm.texi: Update.
8408 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8409 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8410 in cpu/cpu.c, or rename old functions consistently. Take
8411 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8412 redundant macros and prototypes. Make new functions static.
8414 * 1750a/1750a.c: Similarly.
8415 * 1750a/1750a.h: Similarly.
8416 * a29k/a29k-protos.h: Similarly.
8417 * a29k/a29k.c: Similarly.
8418 * a29k/a29k.h: Similarly.
8419 * arc/arc-protos.h: Similarly.
8420 * arc/arc.c: Similarly.
8421 * arc/arc.h: Similarly.
8422 * arm/arm-protos.h: Similarly.
8423 * arm/arm.c: Similarly.
8424 * arm/arm.h: Similarly.
8425 * avr/avr-protos.h: Similarly.
8426 * avr/avr.c: Similarly.
8427 * avr/avr.h: Similarly.
8428 * clipper/clipper-protos.h: Similarly.
8429 * clipper/clipper.c: Similarly.
8430 * clipper/clipper.h: Similarly.
8431 * convex/convex.c: Similarly.
8432 * convex/convex.h: Similarly.
8433 * d30v/d30v-protos.h: Similarly.
8434 * d30v/d30v.c: Similarly.
8435 * d30v/d30v.h: Similarly.
8436 * d30v/d30v.md: Similarly.
8437 * dsp16xx/dsp16xx-protos.h: Similarly.
8438 * dsp16xx/dsp16xx.c: Similarly.
8439 * dsp16xx/dsp16xx.h: Similarly.
8440 * elxsi/elxsi.c: Similarly.
8441 * elxsi/elxsi.h: Similarly.
8442 * fr30/fr30.c: Similarly.
8443 * fr30/fr30.md: Similarly.
8444 * h8300/h8300-protos.h: Similarly.
8445 * h8300/h8300.c: Similarly.
8446 * h8300/h8300.h: Similarly.
8447 * i370/i370-protos.h: Similarly.
8448 * i370/i370.c: Similarly.
8449 * i370/i370.h: Similarly.
8450 * i386/i386.c: Similarly.
8451 * i386/osf1elf.h: Similarly.
8452 * i386/osfrose.h: Similarly.
8453 * i860/i860-protos.h: Similarly.
8454 * i860/i860.c: Similarly.
8455 * i860/i860.h: Similarly.
8456 * i960/i960-protos.h: Similarly.
8457 * i960/i960.c: Similarly.
8458 * i960/i960.h: Similarly.
8459 * ia64/ia64-protos.h: Similarly.
8460 * ia64/ia64.c: Similarly.
8461 * ia64/ia64.h: Similarly.
8462 * m32r/m32r-protos.h: Similarly.
8463 * m32r/m32r.c: Similarly.
8464 * m32r/m32r.h: Similarly.
8465 * m68hc11/m68hc11-protos.h: Similarly.
8466 * m68hc11/m68hc11.c: Similarly.
8467 * m68hc11/m68hc11.h: Similarly.
8468 * m68k/crds.h: Similarly.
8469 * m68k/dpx2.h: Similarly.
8470 * m68k/m68k-protos.h: Similarly.
8471 * m68k/m68k.c: Similarly.
8472 * m68k/m68k.h: Similarly.
8473 * m68k/news.h: Similarly.
8474 * m88k/m88k-protos.h: Similarly.
8475 * m88k/m88k.c: Similarly.
8476 * m88k/m88k.h: Similarly.
8477 * mips/mips-protos.h: Similarly.
8478 * mips/mips.c: Similarly.
8479 * mips/mips.h: Similarly.
8480 * ns32k/merlin.h: Similarly.
8481 * ns32k/ns32k.c: Similarly.
8482 * ns32k/ns32k.h: Similarly.
8483 * ns32k/tek6000.h: Similarly.
8484 * pa/pa-protos.h: Similarly.
8485 * pa/pa.c: Similarly.
8486 * pa/pa.h: Similarly.
8487 * pdp11/2bsd.h: Similarly.
8488 * pdp11/pdp11-protos.h: Similarly.
8489 * pdp11/pdp11.c: Similarly.
8490 * pdp11/pdp11.h: Similarly.
8491 * romp/romp-protos.h: Similarly.
8492 * romp/romp.c: Similarly.
8493 * romp/romp.h: Similarly.
8494 * rs6000/rs6000-protos.h: Similarly.
8495 * rs6000/rs6000.c: Similarly.
8496 * rs6000/rs6000.h: Similarly.
8497 * rs6000/sysv4.h: Similarly.
8498 * sh/sh-protos.h: Similarly.
8499 * sh/sh.c: Similarly.
8500 * sh/sh.h: Similarly.
8501 * sparc/sparc-protos.h: Similarly.
8502 * sparc/sparc.c: Similarly.
8503 * sparc/sparc.h: Similarly.
8504 * vax/vax.c: Similarly.
8505 * vax/vax.h: Similarly.
8506 * vax/vms.h: Similarly.
8507 * we32k/we32k.c: Similarly.
8508 * we32k/we32k.h: Similarly.
8510 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8512 * basic-block.h (first_insn_after_basic_block_note): Declare.
8513 * flow.c (first_insn_after_basic_block_note): Define. Moved
8515 * ssa.c (first_insn_after_basic_block_note): Remove.
8516 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8518 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8519 nodes when we find a dead conditional branch. Insert BARRIERs
8520 after any blocks with no successors, but which do not have
8523 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8525 * varray.c (varray_check_failed): Use internal_error.
8527 2001-07-05 Andrew Haley <aph@redhat.com>
8529 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8530 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8531 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8533 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8535 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8536 reference if the target constant is also a SYMBOL_REF.
8538 2001-07-05 Eric Christopher <echristo@redhat.com>
8540 * config/mips/mips.h (MASK_MIPS3900): Remove.
8541 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8542 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8543 (TARGET_MIPS3900): Change to use mips_arch.
8544 (TARGET_MIPS4000): New.
8545 (TARGET_MIPS4100): New.
8546 (TARGET_MIPS4300): New.
8547 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8548 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8550 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8551 (ISA_HAS_BRANCHLIKELY): To here.
8552 (CC1_CPU_SPEC): New.
8553 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8554 (mips_arch_string): Declare.
8555 (mips_arch): Declare.
8556 (TARGET_OPTIONS): Add -march and -mtune.
8558 * config/mips/mips.c (mips_arch_string): New.
8560 (override_options): Handle -march for codegen and -mtune
8561 for scheduling. Use mips_arch. Move tx39 target default here.
8562 (mips_parse_cpu): Move error message to override_options.
8564 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8566 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8568 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8569 (MIPS Options): Ditto. Change mcpu entry to historical text.
8571 2001-07-05 H.J. Lu (hjl@gnu.org)
8573 * config/mips/mips.c (mips_parse_cpu): New function to parse
8576 2001-07-05 Jim Wilson <wilson@redhat.com>
8578 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8579 * config/ia64/t-ia64: Likewise.
8580 (LIB1ASMFUNCS): Update comment.
8582 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8584 * doc/install.texi (Install GCC: Binaries): Fix typo.
8586 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8588 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8589 reference using the stack pointer, adjust it since we push Y
8591 ("*ashrsi3"): Likewise.
8592 ("*lshrsi3"): Likewise.
8594 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8596 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8597 when -fomit-frame-pointer is used.
8599 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8601 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8602 (try_redirect_by_replacing_jump): Reverse updating properly the
8603 count and frequency information. Reverse removing cc0 setter.
8604 (forwarder_block_p): Reverse fixing for fallthru blocks.
8606 2001-07-05 DJ Delorie <dj@redhat.com>
8608 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8609 (translate_options): If the above is defined, use it to map
8610 given options to new options.
8611 * doc/tm.texi: Document it.
8613 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8614 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8616 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8617 cause programs using computed gotos to run more slowly.
8619 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8621 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8623 Consistently require binutils 2.11.2, not prereleases.
8624 (Specific, decstation-*): Canonicalize as mips-dec-*.
8625 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8627 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8628 (Specific, mips-*): Reword MIPS C compiler requirements.
8629 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8630 (Specific, sunv5): Removed, obsolete.
8632 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8634 * dwarf2out.c (output_loc_list): Use an all ones mask for
8635 .text asm output and don't rely on long long
8636 literals. Reformat some long lines.
8638 2001-07-05 Andreas Jaeger <aj@suse.de>
8640 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8643 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8645 * dwarf2out.c (dwarf2out_define): Update comment.
8646 (dwarf2out_undef): Ditto.
8647 (dwarf2out_start_source_file): Ditto.
8648 (dwarf2out_end_source_file): Ditto.
8649 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8650 since we never call the start/end debug hook for the primary file.
8652 2001-07-04 Kazu Hirata <kazu@hxi.com>
8654 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8657 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8659 * cppinit.c (remove_dup_dirs): Inform if a system include
8660 directory is being reordered.
8661 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8663 * doc/cpp.texi (Search Paths): Likewise.
8664 * doc/gcc.texi (Interoperation): Remove information about
8667 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8669 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8670 (VARRAY_TOP_CHAR_PTR): Likewise.
8672 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8674 * gcc.c (process_command): Don't assign elements of a const char*.
8676 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8678 * emit-rtl.c (change_address): Don't abort if invalid address while
8679 reload is in progress.
8681 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8683 * c-lex.c (cb_file_change): Pass line number to
8684 debug_start_source_file.
8685 (cb_undefine): Pass correct line number to debug_undef.
8687 * toplev.c (debug_start_source_file): Add line number to
8688 parameters. Pass it along to dwarf2out_start_source_file.
8689 (decode_g_option): Stop resetting debug level back to normal when
8690 we change debug formats, unless the current level is
8691 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8694 * toplev.h (debug_start_source_file): Add line number to
8697 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8700 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8702 Output debug_macinfo data for starting file if requested.
8703 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8705 (dwarf2out_define): Output debug_macinfo data for defining a macro
8707 (dwarf2out_undef): Output debug_macinfo data for undefining a
8709 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8710 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8711 (macinfo_section_label): New. DWARF2 macro info section label.
8712 (dwarf2out_init): If we want macro info, output the start label
8714 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8715 attribute to the compilation unit die pointing to the macro info.
8717 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8719 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8720 DWARF2_DEBUGGING_INFO.
8721 (add_loc_descr_to_loc_list): Ditto.
8722 (output_loc_list): Ditto.
8723 Also, fix thinko in curr not being initialized.
8724 (gen_internal_sym): Ditto.
8726 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8728 * emit-rtl.c (replace_equiv_address): New function.
8729 * expr.h (replace_equiv_address): New declaration.
8730 * explow.c (validize_mem): Call it instead of change_address and
8731 also call if -fforce-addr and address is constant.
8732 * expr.c: Replace more calls to change_address with adjust_address
8733 and/or replace_equiv_address or to validize_mem.
8734 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8735 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8736 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8737 * config/i370/i370.md, config/i860/i860.md: Likewise.
8738 * config/i960/i960.md, config/mips/mips.c: Likewise.
8739 * config/mips/mips.md, config/pa/pa.md: Likewise.
8740 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8741 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8743 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8745 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8747 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8750 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8752 * doc/include: New directory.
8753 * doc/fdl.texi: Move to doc/include/fdl.texi.
8754 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8755 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8756 * doc/gcc.texi: Use funding.texi and gpl.texi.
8757 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8758 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8759 Update dependencies and use -I $(docdir)/include.
8761 2001-07-04 Anthony Green <green@redhat.com>
8763 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8765 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8767 * doc/install.texi (sparc64-*-*): Remove garbage.
8769 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8771 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8772 Fix typo in last change to use adjust_address.
8774 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8776 * doc/install.texi (Specific): Update information for *-*-solaris*.
8778 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8780 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8782 2001-07-03 Stan Shebs <shebs@apple.com>
8784 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8785 case for flag_no_mach_text_sections.
8786 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8787 * config/darwin.c (flag_no_mach_text_sections): Remove.
8788 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8790 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8792 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8793 and avoid checking for constant as first operand.
8794 * recog.c (find_constant_term_loc): No longer static.
8795 (adj_offettable_operand): Delete.
8796 * rtl.h (adj_offsettable_operand): Delete declaration.
8797 (find_constant_term): Add declaration.
8798 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8800 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8801 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8802 * config/i386/i386.c, config/i386/i386.md: Likewise.
8803 * config/i860/i860.c, config/i960/i960.c: Likewise.
8804 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8805 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8806 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8807 * config/mips/mips.c, config/mips/mips.md: Likewise.
8808 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8809 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8810 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8811 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8812 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8813 * config/ns32k/ns32k.md: Likewise.
8815 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8817 * rtl.c (copy_rtx): Handle 'T' format letter.
8818 * gensupport.c (collect_insn_data): Likewise.
8819 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8821 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8823 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8824 -B option. Use 'dir' not 'foo' as example directory name.
8826 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8828 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8829 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8831 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8833 * doc/cppinternals.texi: Improve formatting and logical markup.
8835 2001-07-03 Andreas Jaeger <aj@suse.de>
8837 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8839 * genrecog.c (write_header): Include reload.h for prototypes in
8842 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8845 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8846 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8847 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8848 i386_pe_valid_type_attribute_p): Add.
8849 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8850 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8852 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8854 * explow.c (plus_constant_wide, case LO_SUM): New case.
8855 (plus_constant_for_output_wide): Delete.
8856 * rtl.h (plus_constant_for_output): Delete.
8857 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8858 instead of plus_constant_for_output.
8859 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8860 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8861 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8862 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8863 * config/sparc/sparc.md: Likewise.
8864 Convert some change_address calls to adjust_address.
8866 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8868 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8869 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8870 documentation of -std and -Wwrite-strings.
8872 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8874 * cse.c (canon_hash): Don't register registers in very small
8875 register classes, as extending their lifetime might cause
8878 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8880 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8882 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8883 (try_redirect_by_replacing_jump): Update properly the count
8884 and frequency information.
8886 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8888 * toplev.c (dump_file_index): Move SSA dumps just after first
8890 (dump_file): Corresponding changes.
8891 (rest_of_compilation): Move SSA path to just after the first
8893 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8894 * doc/invoke.texi: Update dump file #s as they were completely
8895 out of date with reality.
8897 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8899 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8901 * expr.c (emit_move_insn_1): Deal with non-default
8904 * expr.c (emit_single_push_insn): Fix warning.
8906 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8908 * expr.c (emit_move_insn_1): Avoid modifying
8909 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8911 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8913 * emit-rtl.c (adjust_address): New function.
8914 * expr.h (adjust_address): Add declaration.
8915 * builtins.c: Replace some calls to change_address with calls to it
8917 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8918 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8919 * config/arm/arm.c, config/convex/convex.c: Likewise.
8920 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8921 * config/i386/i386.c, config/i386/i386.md: Likewise.
8922 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8923 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8924 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8925 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8926 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8928 2001-07-02 Jim Wilson <wilson@redhat.com>
8930 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8932 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8934 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8935 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8937 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8939 * cppinit.c (lang_defaults): New table.
8940 (set_lang): Just read from lang_defaults into the live options
8943 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8945 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8946 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8947 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8949 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8951 * doc/install.texi: Various spelling and markup fixes.
8952 (Installing GCC): Component specific installation instructions are
8955 Warn about removing old install dir in the presence of shared libs.
8956 (Configuration): Invoke with options target to match configure
8958 Consistently refer to gas, gld pathnames.
8959 Invert --enable-multilib documentation.
8960 Remove references to old compiler versions.
8962 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8964 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8966 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8968 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8970 (Specific, mips*-sgi-irix5): Note IDO download.
8971 Reworded MIPS C hints.
8972 Use GNU as instead of GAS.
8974 Removed SGI Freeware reference, IRIX 6 only.
8975 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8976 Note N64 library requirement/workaround.
8978 Complete list of structure passing bug victims.
8980 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8982 * doc/install.texi: Remove CVS Id.
8984 2001-07-02 Andreas Jaeger <aj@suse.de>
8986 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8987 (find_inherently_necessary): Remove unused variable.
8989 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8991 * c-common.h (TDI_inlined): New ast dump phase.
8992 (dump_flag_name): New function.
8993 * c-dump.c (dump_files): Add inlined phase.
8994 (dump_flag_name): Define.
8995 * doc/invoke.texi (-fdump-ast-inlined): Document.
8997 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8999 * stor-layout.c (layout_decl): Revert change to handling of alignment
9002 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9004 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9007 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9009 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9012 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9014 * tlink.c (recompile_files): Remove COMPILER_PATH and
9015 LIBRARY_PATH from the environment.
9017 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9019 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9020 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9022 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9024 * c-parse.in (OBJC_STRING): Kill.
9025 (objc_string): Decompose to [objc_string] '@' STRING.
9026 (reswords): Take the leading '@' off all the Objective C keywords.
9027 (objc_rid_sans_at): Kill.
9028 (init_reswords): Don't initialize it.
9029 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9030 (_yylex): Kill reconsider label. Look ahead one token after
9031 an '@'; if we get an identifier, check whether it's an
9032 Objective C @-keyword. If so, return the keyword. Otherwise,
9033 put back the token and return the '@' as a terminal.
9035 * cpplib.c (lex_macro_node): Remove unnecessary check for
9036 leading '@' on identifier. Clarify control flow and commentary.
9038 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9040 * cse.c (new_label_ref): Variable deleted.
9041 (insert): Remove set of new_label_ref.
9042 (check_for_label_ref): New function.
9043 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9045 See ChangeLog.5 for earlier changes.