1 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
3 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
4 initial value of return pointer register instead of value in frame-20.
7 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
9 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
10 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
11 the libcall if there isn't a referenced identifier for the symbol.
13 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
15 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
16 non 64-bit machines. Use these as a plabel for the trampoline.
17 (TRAMPOLINE_SIZE): Adjust size for new words.
18 (INITIALIZE_TRAMPOLINE): Initialize new words.
19 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
20 pointer to the plabel in the trampoline.
22 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
24 * pa.c (function_arg): Pass floating arguments in both general and
25 floating registers in indirect (dynamic) calls when generating code
26 for the 32 bit ABI and the HP assembler.
28 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
30 * doc/install.texi: Markup fixes.
31 Use Solaris 2, SunOS 4 as appropriate.
32 (Specific, *-*-solaris2*): Explain this.
33 Unconditionally warn against /usr/ucb tools.
34 Remove Sun as warning, obsolete.
35 Move X11 header bug workaround here, update patches.
36 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
37 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
39 2001-09-23 Zack Weinberg <zack@codesourcery.com>
41 * errors.h (warning, error, fatal, internal_error): Don't mark
42 with ATTRIBUTE_PRINTF_n.
43 * toplev.h (internal_error, fatal_io_error, warning, error,
44 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
45 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
48 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
50 * function.c (pop_function_context_from): var_refs_queue
51 and temp slots now in GC memory.
52 (mark_function_status, free_after_compilation): Likewise;
53 also struct function now in GC memory.
54 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
55 (combine_temp_slots): Likewise.
56 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
57 (prepare_function_start): Use GC memory for struct function.
58 (mark_temp_slot): Deleted.
59 (gcc_mark_struct_function): struct function now in GC memory.
61 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
62 code for division, not modulus.
64 * rtl.def (MEM): Remove obsolete part of comment.
66 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
68 * c-format.c (init_function_format_info): Check __builtin_printf
69 and __builtin_fprintf even if -ffreestanding. Check C99 functions
72 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
74 * c-common.c (format_attribute_table): Remove decl.
75 * tree.h (format_attribute_table, lang_attribute_table): New decls.
76 (lang_attribute_common): Likewise.
78 * function.c (fix_lexical_address): Use set_mem_alias_set.
79 (expand_function_start): Likewise.
80 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
82 * varasm.c (output_constant): Fix unused variable warning.
84 * attribs.c: New file, from c-common.c.
85 (attribute_tables): Now four elements.
86 (format_attribute_table, lang_attribute_common): New variables.
87 (init_attributes): Reflect above changes.
88 (handle_mode_attribute): Delete check for wider than uintmax.
89 * c-common.c: Delete parts moved to attribs.c.
90 (enum attrs): Deleted; unused.
91 (c_format_attribute_table): New variable.
92 (c_common_lang_init): Initialize format_attribute_table with it.
93 * c-common.h (decl_attributes): Remove decl.
94 * tree.h (decl_attribute): Move it to here.
95 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
96 (attribs.o): New rule.
98 2001-09-22 Andreas Jaeger <aj@suse.de>
100 * builtins.c (c_getstr): Remove unused variable.
102 2001-09-21 Richard Henderson <rth@redhat.com>
104 * reload1.c (reload): Use delete_insn instead of splatting
107 2001-09-21 Richard Henderson <rth@redhat.com>
109 * reload.c (push_secondary_reload): Don't check for "=" in output
110 constraint after ""->ALL_REGS check.
112 2001-09-21 Richard Henderson <rth@redhat.com>
114 * predict.c (expected_value_to_br_prob): Use pc_set.
116 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
117 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
119 2001-09-21 Richard Henderson <rth@redhat.com>
121 * rtl.h (LCT_RETURNS_TWICE): New.
122 * calls.c (emit_call_1): Set current_function_calls_setjmp for
124 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
125 to ECF_RETURNS_TWICE.
126 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
129 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
131 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
134 2001-09-21 Richard Henderson <rth@redhat.com>
136 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
139 2001-09-21 Richard Henderson <rth@redhat.com>
141 * tree.def (FDESC_EXPR): New.
142 * expr.c (expand_expr): Handle it.
143 * varasm.c (initializer_constant_valid_p): Likewise.
144 (output_constant): Likewise.
145 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
146 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
147 (ASM_OUTPUT_FDESC): New.
148 * doc/tm.texi: Document the new macros.
150 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
152 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
153 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
154 once merging is complete.
156 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
158 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
160 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
162 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
163 that would be invalid after a merge.
165 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
167 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
168 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
170 (flow_delete_insn): This one.
171 (delete_insn_chain): Rename from ...; do not care labels.
172 (flow_delete_insn_chain): ... this one.
173 (flow_delete_block): Remove the insns one BB has been expunged.
174 (merge_blocks_nomove): Likewise.
175 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
176 updating BB boundaries.
177 (tidy_fallthru_edge): Likewise.
178 (commit_one_edge_insertion): Likewise.
179 * cfgbuild.c (find_basic_block): Likewise.
180 (find_basic_blocks_1): Likewise.
181 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
182 (try_crossjump_to_edge): Likewise.
183 (try_optimize_cfg): Likewise.
184 * cse.c (delete_trivially_dead_insns): Likewise.
185 * df.c (df_insn_delete): Likewise.
186 * doloop.c (doloop_modify): Use delete_related_insns.
187 * emit-rtl.c (try_split): Likewise.
188 (remove_insn): Update BB boundaries.
189 * expect.c (connect_post_landing_pads): Use delete_related_insns.
190 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
191 updating BB boundaries.
192 (propagate_block_delete_insn): Likewise.
193 (propagate_block_delete_libcall): Likewise.
194 * function.c (delete_handlers): Use delete_related_insns.
195 (thread_prologue_and_epilogue_insns): Likewise.
196 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
197 * genpeep.c (gen_peephole): Use delete_related_insns.
198 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
200 (find_cond_trap): Likewise.
201 * integrate.c (save_for_inline): Use delete_related_insns.
202 (copy_insn_list): Likewise.
203 * jump.c (pruge_linie_number_notes): Likewise.
204 (duplicate_loop_exit_test): Likewise.
205 (delete_computation): Likewise.
206 (delete_related_insn): Rename from ...; use delete_insn
207 (delete_insn): ... this one.
208 (redirect_jump): Use delete_related_insns.
209 * loop.c (scan_loop): Likewise.
210 (move_movables): Likewise.
211 (find_and_verify_loops): Likewise.
212 (check_dbra_loop): Likewise.
213 * recog.c (peephole2_optimize): Likewise.
214 * reg-stack.c (delete_insn_for_stacker): Remove.
215 (move_for_stack_reg): Use delete_insn.
216 * regmove.c (combine_stack_adjustments_for_block): Likewise.
217 * reload1.c (delete_address_reloads): Use delete_related_insns.
218 (fixup_abnormal_edges): Use delete_insn.
219 * recog.c (emit_delay_sequence): Use delete_related_insns.
220 (delete_from-delay_slot): Likewise.
221 (delete_scheduled_jump): likewise.
222 (optimize_skip): Likewise.
223 (try_merge_delay_insns): Likewise.
224 (full_simple_delay_slots): Likewise.
225 (fill_slots_from_thread): Likewise.
226 (relax_delay_slots): Likewise.
227 (make_return_insns): Likewise.
228 (dbr_schedule): Likewise.
229 * rtl.h (delete_insn): Rename to delete_related_insns.
230 (delete_insn, delete_insn_chain): New prototypes.
231 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
232 by df_insn_delete already.
233 * ssa-dce.c (delete_insn_bb): Use delete_insn.
234 * ssa.c (convert_from_ssa): Use delete_related_insns.
235 * unroll.c (unroll_loop): Likewise.
236 (calculate_giv_inc): Likewise.
237 (copy_loop_body): Likewise.
239 * i386-protos.h (ix86_libcall_value, ix86_function_value,
240 ix86_function_arg_regno_p, ix86_function_arg_boundary,
241 ix86_return_in_memory, ix86_function_value): Declare.
242 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
243 new static valurables.
244 (x86_64_reg_class): New enum
245 (x86_64_reg_class_name): New array.
246 (classify_argument, examine_argument, construct_container,
247 merge_classes): New static functions.
248 (optimization_options): Enable flag_omit_frame_pointer and disable
249 flag_pcc_struct_return on 64bit.
250 (ix86_libcall_value, ix86_function_value,
251 ix86_function_arg_regno_p, ix86_function_arg_boundary,
252 ix86_return_in_memory, ix86_function_value): New global functions.
253 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
254 (function_arg_advance): Handle x86_64 passing conventions.
255 (function_arg): Likewise.
256 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
257 (RETURN_IN_MEMORY): Move offline.
258 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
259 (FUNCTION_VALUE_REGNO_P): New macro.
260 (FUNCTION_ARG_REGNO_P): Move offline.
261 (struct ix86_args): Add maybe_vaarg.
262 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
263 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
265 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
267 * s390.md: Changed attributes for scheduling.
268 * s390.c: (s390_adjust_cost, s390_adjust_priority)
271 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
273 Table-driven attributes.
274 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
275 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
276 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
277 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
278 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
279 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
280 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
281 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
282 * tree.h (struct tree_decl): Change machine_attributes to
284 * doc/c-tree.texi: Document that all attributes are now attached
286 * c-common.c (add_attribute, attrtab, attrtab_idx,
287 default_valid_lang_attribute, valid_lang_attribute): Remove.
288 (attribute_tables, attributes_initialized,
289 c_common_attribute_table, default_lang_attribute_table): New
291 (handle_packed_attribute, handle_nocommon_attribute,
292 handle_common_attribute, handle_noreturn_attribute,
293 handle_unused_attribute, handle_const_attribute,
294 handle_transparent_union_attribute, handle_constructor_attribute,
295 handle_destructor_attribute, handle_mode_attribute,
296 handle_section_attribute, handle_aligned_attribute,
297 handle_weak_attribute, handle_alias_attribute,
298 handle_no_instrument_function_attribute,
299 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
300 handle_no_limit_stack_attribute, handle_pure_attribute): New
302 (init_attributes, decl_attributes): Rewrite to implement
303 table-driven attributes.
304 * c-common.h (enum attribute_flags): Move to tree.h.
305 * c-format.c (decl_handle_format_attribute,
306 decl_handle_format_arg_attribute): Rename to
307 handle_format_attribute and handle_format_arg_attribute. Update
308 for table-driven attributes.
309 * c-common.h (decl_handle_format_attribute,
310 decl_handle_format_arg_attribute): Remove prototypes.
311 (handle_format_attribute, handle_format_arg_attribute): Add
313 * c-decl.c (grokdeclarator): Handle attributes nested inside
315 * c-parse.in (setattrs, maybe_setattrs): Remove.
316 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
317 Update to handle nested attributes properly.
318 (maybe_resetattrs, after_type_declarator,
319 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
320 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
322 (make_pointer_declarator): Update to handle nested attributes
324 * doc/extend.texi: Update documentation of limits of attributes
325 syntax. Warn about problems with attribute semantics in C++.
326 * target.h (struct target): Remove valid_decl_attribute and
327 valid_type_attribute. Add attribute_table and
328 function_attribute_inlinable_p.
329 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
330 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
331 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
333 (TARGET_INITIALIZER): Update.
334 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
336 (function_attribute_inlinable_p): New function. Check for the
337 presence of any machine attributes before using
338 targetm.function_attribute_inlinable_p.
339 (function_cannot_inline_p): Update.
340 * Makefile.in (integrate.o): Update dependencies.
341 * doc/tm.texi: Update documentation of target attributes and
342 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
343 * tree.c (default_valid_attribute_p, valid_machine_attribute):
345 (default_target_attribute_table,
346 default_function_attribute_inlinable_p): New.
347 (lookup_attribute): Update comment to clarify handling of multiple
348 attributes with the same name.
349 (merge_attributes, attribute_list_contained): Allow multiple
350 attributes with the same name but different arguments to appear in
351 the same attribute list.
352 * tree.h (default_valid_attribute_p): Remove prototype.
353 (struct attribute_spec): New.
354 (default_target_attribute_table): Declare.
355 (enum attribute_flags): Move from c-common.h. Add
356 ATTR_FLAG_TYPE_IN_PLACE.
357 (default_function_attribute_inlinable_p): Declare.
358 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
359 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
360 (TARGET_ATTRIBUTE_TABLE): Define.
361 (vms_attribute_table): New.
362 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
363 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
364 (TARGET_ATTRIBUTE_TABLE): Define.
365 (arc_attribute_table, arc_handle_interrupt_attribute): New.
366 * config/arm/arm.c (arm_valid_type_attribute_p,
367 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
369 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
371 (TARGET_ATTRIBUTE_TABLE): Define.
372 (arm_attribute_table, arm_handle_fndecl_attribute,
373 arm_handle_isr_attribute): New.
374 * config/avr/avr.c (avr_valid_type_attribute,
375 avr_valid_decl_attribute): Remove.
376 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
378 (TARGET_ATTRIBUTE_TABLE): Define.
379 (avr_attribute_table, avr_handle_progmem_attribute,
380 avr_handle_fndecl_attribute): New.
381 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
382 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
383 (TARGET_ATTRIBUTE_TABLE): Define.
384 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
385 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
386 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
387 (TARGET_ATTRIBUTE_TABLE): Define.
388 (h8300_attribute_table, h8300_handle_fndecl_attribute,
389 h8300_handle_eightbit_data_attribute,
390 h8300_handle_tiny_data_attribute): New.
391 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
392 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
394 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
396 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
397 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
399 (TARGET_ATTRIBUTE_TABLE): Define.
400 (ix86_attribute_table, ix86_handle_cdecl_attribute,
401 ix86_handle_regparm_attribute): New.
402 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
403 i386_pe_valid_type_attribute_p): Remove.
404 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
405 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
406 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
407 (TARGET_ATTRIBUTE_TABLE): Define.
408 (ia64_attribute_table): New.
409 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
410 interrupt_ident2, model_ident1, model_ident2): Remove.
411 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
412 (TARGET_ATTRIBUTE_TABLE): Define.
413 (init_idents): Update.
414 (m32r_attribute_table, m32r_handle_model_attribute): New.
415 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
417 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
418 (TARGET_ATTRIBUTE_TABLE): Define.
419 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
420 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
421 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
422 (TARGET_ATTRIBUTE_TABLE): Define.
423 (mcore_attribute_table, mcore_handle_naked_attribute): New.
424 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
425 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
426 (TARGET_ATTRIBUTE_TABLE): Define.
427 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
428 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
429 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
430 (TARGET_ATTRIBUTE_TABLE): Define.
431 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
432 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
433 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
434 (TARGET_ATTRIBUTE_TABLE): Define.
435 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
436 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
438 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
440 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
441 (TARGET_ATTRIBUTE_TABLE): Define.
442 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
444 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
445 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
446 (TARGET_ATTRIBUTE_TABLE): Define.
447 (v850_attribute_table, v850_handle_interrupt_attribute,
448 v850_handle_data_area_attribute): New.
449 * config/v850/v850-c.c (mark_current_function_as_interrupt):
450 Return void. Call decl_attributes instead of
451 valid_machine_attribute.
453 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
455 * sh-protos.h (sh_pr_n_sets): Declare.
456 * sh.c (calc_live_regs): If the initial value for PR has been copied,
457 look at the copy to determine if PR needs to be saved.
458 sh_pr_n_sets: New function.
459 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
460 (ALLOCATE_INITIAL_VALUE): Define.
462 * sh.c (initial_elimination_offset):
463 Fix RETURN_ADDRESS_POINTER_REGNUM case.
465 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
467 * integrate.c (allocate_initial_values): New function.
468 * integrate.h (allocate_initial_values): Declare.
469 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
471 * reload1.c (reload): And initialization of reg_equiv_memory_loc
473 * toplev.c (rest_of_compilation): To here.
474 Call allocate_initial_values.
475 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
477 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
479 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
481 2001-09-20 DJ Delorie <dj@redhat.com>
483 * c-typeck.c (really_start_incremental_init): Discriminate
484 between zero-length arrays and flexible arrays.
485 (push_init_level): Detect zero-length arrays and handle them
486 like fixed-sized arrays.
487 * expr.c (store_constructor): Handle zero-length arrays and
488 flexible arrays correctly.
489 * doc/extend.texi: Update zero-length array notes.
491 2001-09-20 Jim Wilson <wilson@redhat.com>
493 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
494 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
495 for issue port conflicts.
496 (cycle_end_fill_slots): TYPE_L instructions take two slots.
498 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
500 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
503 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
505 * fold-const.c (hashtab.h): Include.
506 (int_const_binop): Remove FORSIZE arg and compute from type; all
508 Call size_int_type_wide for all single-word constants.
509 (size_htab_hash, size_htab_eq): New functions.
510 (size_int_type_wide): Rework to use hash table.
511 * ggc-common.c (hashtab.h): Include.
512 (struct d_htab_root): New struct.
513 (d_htab_roots): New variable.
514 (ggc_add_deletable_htab, ggc_htab_delete): New functions
515 (ggc_mark_roots): Handle deletable htabs.
516 * ggc-page.c (ggc_marked_p): New function.
517 * ggc-simple.c (ggc_marked_p): Likewise.
518 * ggc.h: Reformatting throughout.
519 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
520 * tree.c (init_obstacks): Make type_hash_table a deletable root.
521 (type_hash_add): Allocate struct type_hash from GC memory.
522 (mark_hash_entry, mark_type_hash): Deleted.
523 (type_hash_marked_p, type_hash_mark): New functions.
524 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
526 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
528 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
531 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
533 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
534 array-too-large test for signed sizetype.
536 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
538 * i386.md (indirect_jump): Allow Pmode operand.
539 (tablejump): LIkewise; perform expansion to 64bit mode.
540 * i386.c (symbolic_operand): Allow 64bit PIC references.
541 (pic_symbolic_operand): Likewise.
542 (ix86_find_base_term): Strip the 64bit PIC references.
543 (legitimate_pic_address_disp_p): Handle 64bit PIC.
544 (legitimize_pic_address): Likewise.
545 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
546 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
548 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
550 * stringpool.c (get_identifier_with_length): New function.
551 * tree.h (get_identifier_with_length): New prototype.
553 2001-09-19 Alan Modra <amodra@bigpond.net.au>
554 David Edelsohn <edelsohn@gnu.org>
557 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
558 already sign-extended.
560 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
561 * config/rs6000/rs6000.c (logical_operand): Always compare op as
563 (rs6000_emit_set_long_const): Avoid unnecessary shift.
564 (output_profile_hook): Declare label_name const.
565 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
566 to match constraints.
568 2001-09-19 Stan Shebs <shebs@apple.com>
570 * alias.c: Fix typos in comments.
571 * sched-rgn.c (init_ready_list): Ditto.
572 * unwind-dw2.c (uw_frame_state_for): Ditto.
573 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
574 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
575 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
577 2001-09-19 Richard Henderson <rth@redhat.com>
579 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
581 * Makefile.in (cfg.o): Depend on TM_P_H.
583 2001-09-19 Richard Henderson <rth@redhat.com>
585 * config/alpha/alpha.c (local_symbol_p): Split out from ...
586 (local_symbolic_operand): ... here.
587 (small_symbolic_operand): Check mode.
588 (global_symbolic_operand): New.
589 (input_operand): Reject symbolics if explicit relocs.
590 (call_operand): Tidy.
591 (alpha_legitimize_address): Use movdi_er_high_g.
592 (alpha_expand_mov): Likewise.
593 * config/alpha/alpha-protos.h: Update.
594 * config/alpha/alpha.h (PREDICATE_CODES): Update.
595 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
596 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
597 (UNSPECV_LDGP2): Remove.
598 (all call patterns): Use 's' not 'i' for symbolic constraint.
599 (call_osf call_value_osf): Use call_operand.
600 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
601 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
602 (prologue_ldgp_1_er): Remove.
603 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
604 (builtin_setjmp_receiver_er patterns): Use them.
605 (exception_receiver_er): Likewise.
607 2001-09-19 Richard Henderson <rth@redhat.com>
609 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
611 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
612 and NON_LOCAL_GOTO notes.
613 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
614 copy over CALL_INSN_FUNCTION_USAGE.
616 2001-09-18 Catherine Moore <clm@redhat.com>
618 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
621 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
623 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
624 new-style tm_file specification. Specify correct tm_p_file,
625 md_file, and out_file for s390x.
627 * config/s390/linux.h, linux64.h: Don't include other target
628 macro header files. Now handled via tm_file.
630 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
631 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
632 are defined before use.
634 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
636 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
637 code generation only for Gnu assembler.
639 2001-09-18 Catherine Moore <clm@redhat.com>
641 * config/stormy16 (LIB_SPEC): Remove -lnosys.
643 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
645 * config/mips/mips.c (mips_frame_set): New.
646 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
647 a parallel frame-related expression with a set for each register.
649 2001-09-18 Philip Blundell <philb@gnu.org>
651 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
654 2001-09-17 Dale Johannesen <dalej@apple.com>
656 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
657 * config/rs6000/aix.h (FIXED_R2): Define.
658 * config/rs6000/darwin.h (FIXED_R2): Define.
659 * config/rs6000/sysv4.h (FIXED_R2): Define.
661 2001-09-17 Jeff Sturm <jsturm@one-point.com>
663 * except.c (dw2_build_landing_pads): New local
664 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
665 barrier after clobbers. Fixes c++/4012.
667 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
669 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
671 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
673 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
674 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
676 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
681 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
683 * cpphash.h (_cpp_lex_direct): New.
684 * cpplex.c (_cpp_lex_token): Update.
685 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
686 and increment that pointer.
687 * cppmacro.c (alloc_expansion_token): New.
688 (lex_expansion_token): Lex macro expansion directly into
691 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
693 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
695 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
697 * basic-block.h (free_bb_for_insn): Declare.
698 * bb-reorder.c (label_for_bb): Use block_label.
699 (emit_jump_to_block_after): Remove.
700 (insert_intra_1): Do not update block_for_insn.
701 (insert_inter_bb_scope_notes): Likewise; update bb->end
702 * cfg.c (free_bb_for_insn): New.
703 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
704 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
705 (commit_one_edge_insertion): Likewise.
706 (commit_one_edge_insertion): Do not update BB boundary.
707 (commit_edge_insertions): Do not call compute_bb_for_insn.
708 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
709 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
710 (merge_blocks_move_successor_nojumps): Likewise.
711 (try_crossjump_to_edge): Do not update block_for_insn.
712 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
713 * df.c (df_pattern_emit_later): Do not update BB boundary.
714 (df_jump_pattern_emit_after): Likewise.
715 (df_insn_move_before): Use emit_insn_before.
716 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
718 (add_insn_after, add_insn_before, emit_insns_after): Update BB
719 boundaries and basic_block_for_insn.
720 (reorder_insns_nobb): Rename from reorder_insns.
721 (reorder_insns): New.
722 (emit_block_insn_before, emit_block_insn_after): Kill.
723 * flow.c (check_function_return_warnings): Do not call
724 compute_bb_for_insn; Do not free basic_block_for_insn.
725 (attempt_auto_inc): Do not update basic_block_for_insn.
726 * function.c (emit_return_into_block): Likewise;
727 do not update BB boundaries.
728 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
729 (insert_insn_end_bb): Use emit_insn_before; Likewise.
730 (pre_insert_copy_insn): Likewise.
731 (update_ld_motion_notes): Likewise.
732 (insert_insn_start_bb): Likewise.
733 (replace_store_insn): Likewise.
734 * ifcvt.c (noce_process_if_block): Likewise.
735 (if_convert): Do not call compute_bb_for_insn.
736 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
737 Use emit_insn_before and emit_insn_after.
738 * recog.c (split_all_insns): Do not update BB boundaries;
739 Do not call compute_bb_for_insn.
740 (peephole2_optimize): Do not update BB boundaries.
741 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
743 (emit_swap_insn): Likewise.
744 (convert_regs_1): Likewise.
745 * reload1.c (reload): Call compute_bb_for_insn.
746 * rtl.h (reorder_insns_nobb): Declare.
747 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
748 * toplev.c (rest_of_compilation): Call free_bb_for_insn
749 at places CFG is invalidated; do not call compute_bb_for_insn.
751 * cfg.c (expunge_block): Invalidate BB structure.
753 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
756 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
758 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
760 * cpphash.h (_cpp_lex_token): Update prototype.
761 * cpplex.c (_cpp_lex_token): New prototype.
762 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
763 lex_macro_node, read_flag, do_pragma_poison): Update.
764 * cppmacro.c (cpp_get_token, parse_params,
765 lex_expansion_token): Update.
767 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
769 * cppmain.c (scan_translation_unit): Don't worry about
770 putting a space after hashes.
771 * cpplib.c (directive_diagnostics): New.
772 (_cpp_handle_directive): Update to use directive_diagnostics.
773 (run_directive): Don't toggle prevent_expansion.
774 (do_line): Backup in case of the line extension.
775 * cpplib.h (cpp_lexer_pos): Remove.
776 * cppmacro.c (_cpp_create_definition): Precede a leading #
779 2001-09-15 Richard Henderson <rth@redhat.com>
781 * c-typeck.c (comptypes): Handle zero-length arrays properly.
783 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
785 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
787 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
790 * tradcpp.c (handle_directive): Skip non-vertical space.
792 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
794 * cppmain.c (setup_callbacks): Set line callback only
795 if outputting preprocessed source.
797 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
799 * collect2.c (main): Const-ification.
800 * gcc.c (translate_options, process_command): Use xstrdup in
801 lieu of xmalloc/strcpy.
802 (main): Use concat in lieu of xmalloc/strcpy/strcat.
804 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
806 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
809 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
811 * scan-decls.c (scan_decls): Fix typo.
813 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
815 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
816 Split mlstring_pos into mls_line and mls_col.
817 * cppinit.c (cpp_create_reader): Initialize line to 1.
818 (cpp_destroy): Free tokenruns.
819 (push_include): Don't update lexer_pos.
820 * cpplex.c (unterminated, parse_string): Update.
821 (lex_token): Don't update lexer_pos, update.
822 * cpplib.c (if_stack): Save line instead of line + col.
823 (start_directive, _cpp_do__Pragma, do_else, do_elif,
824 push_conditional, _cpp_pop_buffer): Update.
825 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
826 (_cpp_create_definition): Update.
828 2001-09-15 Eric Christopher <echristo@redhat.com>
830 * config/mips/abi64.h: Add support for MEABI.
832 2001-09-15 Eric Christopher <echristo@redhat.com>
834 * config/mips/mips.md: Add unspec #2.
836 (reload_outdi): Ditto.
837 (reload_outsi): Ditto.
840 2001-09-15 Eric Christopher <echristo@redhat.com>
841 Jason Eckhardt <jle@redhat.com>
843 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
844 * config/mips/isa32-linux.h: New file.
845 * config/mips/isa3264.h: Ditto.
846 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
847 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
848 (output_block_mode): Support MEABI.
849 (function_arg): Ditto. Fix floating point arg passing.
850 (mips_va_start): Ditto.
851 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
853 (mips_asm_file_start): Add new section to pass abi to gdb.
854 (function_arg_pass_by_reference): Support MEABI.
855 (mips_parse_cpu): Support mips32 and mips64 processors.
856 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
857 TARGET_MIPS5KC. Support isa32 and isa64.
858 (processor_type): Add r4kc, r5kc, r20kc.
859 (GENERATE_MULT3_SI): New.
860 (GENERATE_MULT3_DI): Ditto.
861 (GENERATE_MULT3): Remove.
862 (ISA_HAS_64BIT_REGS): Add isa == 64.
863 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
864 (ISA_HAS_MADD_MSUB): New.
865 (ISA_HAS_CLZ_CLO): Ditto.
866 (ISA_HAS_DCLZ_DCLO): Ditto.
867 (ABI_GAS_ASM_SPEC): New.
868 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
871 (SUBTARGET_CC1_SPEC): Ditto.
872 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
873 (PAD_VARARGS_DOWN): Support MEABI.
874 (HARD_REGNO_NREGS): Move to mips.c.
875 (ASM_OUTPUT_IDENT): Add #undef.
876 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
877 (mulsi3): Use GENERATE_MULT3_SI.
878 (mulsi3_mult3): Ditto. Support mips32, mips64.
879 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
880 (mul_sub_si): New pattern.
881 (unnamed splitters): New.
882 (muldi3): Use GENERATE_MULT3_DI.
883 (muldi3_internal2): Ditto.
884 (movdicc): Support mips32.
885 * config/mips/t-isa3264: New file.
887 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
889 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
890 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
891 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
893 * reorg.c (fill_slots_from_thread): After call to
894 steal_delay_list_from_target, update own_thread as new_thread may
897 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
899 * cpperror.c (print_location): Take line and column, for
900 default positioning use the previously lexed token.
901 (_cpp_begin_message): Take line and column.
902 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
903 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
904 * cpphash.h (_cpp_begin_message): Update prototype.
905 * cppinit.c (push_include): Don't set output line.
906 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
907 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
908 (do_pragma): Kludge for front ends. Don't expand macros at all.
909 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
910 (struct cpp_token): Remove output_line.
911 (struct cpp_callbacks): New member line_change.
912 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
913 cpp_get_token): Preserve BOL flag.
914 (cpp_get_line): Remove.
915 (_cpp_backup_tokens): Remove useless abort().
916 * cppmain.c (cb_line_change): New.
917 (scan_translation_unit): Don't worry about starting new lines here.
918 * scan-decls.c (scan_decls): Update.
919 * c-lex.c (c_lex, init_c_lex): Update.
920 (cb_line_change, src_lineno): New.
922 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
924 * tree.c (append_random_chars): Generate the random
925 characters in a reproducable fashion.
927 2001-09-14 Richard Henderson <rth@redhat.com>
929 * config/i386/i386.c (internal_label_prefix): New.
930 (internal_label_prefix_len): New.
931 (override_options): Set them.
932 (local_symbolic_operand): New.
933 (legitimate_pic_address_disp_p): Use it.
934 (legitimize_pic_address): Likewise.
936 2001-09-14 Marc Espie <espie@openbsd.org>
938 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
941 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
943 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
944 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
946 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
948 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
949 invocation of SUBREG_REGNO_OFFSET.
951 * haifa-sched.c: Fix typo in FSF copyright statement.
952 * sched-deps.c: Fix typo in FSF copyright statement.
953 * sched-ebb.c: Fix typo in FSF copyright statement.
954 * sched-rgn.c: Fix typo in FSF copyright statement.
955 * sched-vis.c: Fix typo in FSF copyright statement.
957 * config.gcc: Move inclusion of arm elf specific header files
958 from the files themselves into the tm_file variable. Make
959 sure that elfos.h is included before target specific elf
961 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
963 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
964 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
965 ASM_OUTPUT_CASE_LABEL): Protect definition.
966 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
968 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
969 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
970 Remove duplicate definition.
971 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
972 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
973 (RDATA_SECTION_FUNCTION): Remove redundant definition.
974 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
975 Remove inclusion of arm/elf.h.
976 * config/arm/unknown-elf.h: as for conix-elf.h.
977 (STARTFILE_SPEC): Include crti.o and crtn.o.
978 * config/arm/linux-elf.h: as for conix-elf.h.
979 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
980 * config/arm/strongarm-elf.h: Remove inclusion of
982 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
983 * config/arm/unknown-elf-oabi.h: Remove inclusion of
984 unknown-elf.h and elf.h.
985 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
986 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
987 ASM_WEAKEN_LABEL): Remove redundant definition.
988 * config/arm/elf.h: Test for inclusion of elfos.h
989 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
990 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
991 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
992 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
993 redundant definition.
994 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
995 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
996 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
997 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
998 Add rules to build crti.o and crtn.o
999 * crti.asm: New file.
1000 * crtn.asm: New file.
1002 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1004 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1005 * cpphash.h (struct tokenrun): Add prev.
1006 (struct lexer_state): Remove bol.
1007 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1008 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1010 * cppinit.c (cpp_create_reader): Don't set bol.
1011 (cpp_destroy): Don't free lookaheads.
1012 * cpplex.c (lex_directive): Remove.
1013 (next_tokenrun): Update.
1014 (_cpp_lex_token): Clean up logic.
1015 (lex_token): Update to return a pointer to lexed token, since it
1016 can move to the start of the buffer. Simpify newline handling.
1017 * cpplib.c (SEEN_EOL): Update.
1018 (skip_rest_of_line): Remove lookahead stuff.
1019 (end_directive): Line numbers are already incremented. Revert
1020 to start of lexed token buffer if we can.
1021 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1022 parse_answer): Use _cpp_backup_tokens.
1023 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1024 instead. Don't check for EOL.
1025 (do_include_common, do_line, do_pragma_system_header): Use
1027 * cpplib.h (BOL, _cpp_backup_tokens): New.
1028 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1029 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1030 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1031 (builtin_macro): Don't use cpp_get_line.
1032 (cpp_get_line): Short term kludge.
1033 (parse_arg): Handle directives in arguments here. Back up when
1034 appropriate. Store EOF at end of argument list.
1035 (funlike_invocation_p): Use _cpp_backup_tokens.
1036 (push_arg_context): Account for EOF at end of list.
1037 (cpp_get_token): Remove lookahead stuff. Update.
1039 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1041 * c-parse.in (yyerror): Const-ification and/or static-ization.
1042 * c-typeck.c (push_member_name): Likewise.
1043 * collect2.c (main): Likewise.
1044 * dbxout.c (dbxout_parms): Likewise.
1045 * diagnostic.c (format_with_decl): Likewise.
1046 * dwarf2out.c (output_ranges): Likewise.
1047 * dwarfout.c (fundamental_type_code): Likewise.
1048 * except.c (dw2_output_call_site_table): Likewise.
1049 * gcc.c (do_spec_1): Likewise.
1050 * genopinit.c (optabs): Likewise.
1051 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1052 gen_declaration_1, handle_impent): Likewise.
1053 * protoize.c (default_include, in_system_include_dir, abspath):
1055 * sched-vis.c (visualize_stall_cycles): Likewise.
1056 * sdbout.c (plain_type_1, sdbout_end_function,
1057 sdbout_end_epilogue): Likewise.
1058 * varasm.c (decode_reg_name): Likewise.
1060 * 1750a.c (mod_regno_adjust): Likewise.
1061 * alpha.c (alpha_write_one_linkage,
1062 unicosmk_output_default_externs): Likewise.
1063 * arm.c (arm_condition_codes): Likewise.
1064 * arm.h (arm_condition_codes): Likewise.
1065 * avr.c (output_movsisf, encode_section_info): Likewise.
1066 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1068 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1069 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1070 * m88k.c (output_function_profiler): Likewise.
1071 * mips.c (mips_output_conditional_branch): Likewise.
1072 * ns32k.c (ns32k_out_reg_names): Likewise.
1073 * ns32k.h (ns32k_out_reg_names): Likewise.
1074 * pj.c (pj_output_rval): Likewise.
1075 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1076 * sparc.c (sparc_flat_function_prologue,
1077 sparc_flat_function_epilogue): Likewise.
1079 2001-09-13 Markus Werle <numerical.simulation@web.de>
1080 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1082 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1083 Aachen University of Technology".
1085 2001-09-13 Andreas Schwab <schwab@suse.de>
1087 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1090 2001-09-13 Richard Henderson <rth@redhat.com>
1092 * config/alpha/alpha.c (small_symbolic_operand): New.
1093 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1094 (some_operand, input_operand): Don't handle HIGH.
1095 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1096 (alpha_expand_mov): Likewise.
1097 (print_operand) [H]: Just print HIGH symbol.
1098 (print_operand_address): Handle small data.
1099 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1100 (TARGET_SWITCHES): Add -msmall-data/large-data.
1101 (PIC_OFFSET_TABLE_REGNUM): New.
1102 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1103 (PREDICATE_COES): Update.
1104 * config/alpha/alpha.md (adddi_er_high): New.
1105 (adddi_er_low): Handle small data.
1106 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1107 prefer .sdata to .rodata.
1108 (SELECT_RTX_SECTION): Likewise.
1110 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1112 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1113 defining __size_t and leaving size_t undefined.
1115 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1117 * basic-block.h (expunge_block): Declare.
1118 * cfg.c (expunge_block): Remove static declaration.
1120 2001-09-12 Richard Henderson <rth@redhat.com>
1122 * integrate.c (copy_insn_list): Copy label name from
1123 NOTE_INSN_DELETED_LABEL.
1125 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1127 * c-common.c (c_tree_code_name): Const-ification.
1128 * c-decl.c (c_decode_option): Likewise.
1129 * c-typeck.c (warn_for_assignment): Likewise.
1130 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1132 * cppinit.c (output_deps): Likewise.
1133 * dependence.c (dependence_string, direction_string): Likewise.
1134 * dwarf2out.c (output_ranges): Likewise.
1135 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1136 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1137 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1138 standard_startfile_prefix, standard_startfile_prefix_1,
1139 standard_startfile_prefix_2, tooldir_base_prefix,
1140 standard_bindir_prefix, find_a_file): Likewise.
1141 * genattrtab.c (make_length_attrs): Likewise.
1142 * gencheck.c (tree_codes): Likewise.
1143 * genemit.c (gen_split): Likewise.
1144 * genrecog.c (special_mode_pred_table): Likewise.
1145 * graph.c (graph_ext): Likewise.
1146 * protoize (default_include): Likewise.
1147 * reload.c (reload_when_needed_name): Likewise.
1148 * sched-vis.c (visualize_stall_cycles): Likewise.
1149 * tlink.c (recompile_files): Likewise.
1150 * toplev.c (decode_g_option): Likewise.
1151 * tradcpp.c (output_deps): Likewise.
1152 * varasm.c (decode_reg_name): Likewise.
1154 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1157 * avr.c (avr_regnames, encode_section_info): Likewise.
1158 * c4x.c (float_reg_names): Likewise.
1159 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1160 * elfos.h (const_section): Likewise.
1161 * i386.c (ix86_comp_type_attributes): Likewise.
1162 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1163 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1164 * ia64.c (type_names): Likewise.
1165 * m68hc11.c (reg_class_names): Likewise.
1166 * m88k.c (m_options): Likewise.
1167 * mips.c (mips_output_conditional_branch, mips_unique_section):
1169 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1170 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1171 ultra_code_names): Likewise.
1172 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1174 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1176 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1177 Use --fatal-warnings option for gas.
1178 * configure: Rebuilt.
1180 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1182 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1184 2001-09-11 Jim Wilson <wilson@redhat.com>
1186 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1188 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1190 * builtins.c (c_strlen): Treat an offset too large for a
1191 HOST_WIDE_INT as out of range.
1193 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1195 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1196 (EDGE_CRITICAL_P): New predicate.
1197 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1199 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1200 (dump_edge_info): Remove "crit".
1201 * cfganal.c (mark_critical_edges): Kill.
1202 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1203 * cfgcleanup.c (cleanup_cfg): Likewise.
1204 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1205 (find_spanning_tree): Likewise.
1206 * reg-stack.c (convert_regs_1): Likewise.
1207 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1209 * basic-block.h (create_basic_block_structure): New.
1210 (create_basic_block): Update prototype.
1211 (force_nonfallthru): New.
1212 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1213 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1214 handle updating of block_for_insn, creating of empty BBs and BBs at
1215 the end of INSN chain.
1216 (create_basic_block): New function.
1217 (split_block): Use create_basic_block.
1218 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1219 (redirect_edge_and_branch_force): ... here.
1220 (force_nonfallthru): New.
1221 (split_edge): Rewrite to use force_nonfallthru and create_block.
1222 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1223 (find_basic_blocks): Free basic_block_for_insn.
1224 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1226 * cfg.c: Fix formating.
1227 * cfgcleanup.c: Fix formating.
1228 (merge_blocks, tail_recursion_label_p): Return bool.
1229 (merge_blocks_move_predecessor_nojumps,
1230 merge_blocks_move_successor_nojumps): Return void.
1232 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1234 * configure.in: Check whether assembler supports section merging.
1235 * config.in: Rebuilt.
1236 * configure: Rebuilt.
1237 * varasm.c (variable_section, output_constant_pool): Pass alignment
1238 to SELECT_SECTION and SELECT_RTX_SECTION.
1239 (mergeable_string_section): New.
1240 (mergeable_constant_section): New.
1241 (default_elf_asm_named_section): Output SECTION_MERGE and
1242 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1243 * output.h (mergeable_string_section): New.
1244 (mergeable_constant_section): New.
1245 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1246 * toplev.c (flag_merge_constants): New.
1247 (f_options): Add -fmerge-constants and -fmerge-all-constants
1249 (toplev_main): Default to -fno-merge-constants if not optimizing.
1250 * flags.h (flag_merge_constants): Add extern.
1251 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1252 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1254 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1255 Define if assembler has working .subsection -1 support.
1256 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1257 Put constant into special SHF_MERGE sections if the linker should
1258 attempt to merge duplicates.
1259 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1261 Put constant into special SHF_MERGE sections if the linker should
1262 attempt to merge duplicates.
1263 * config/alpha/elf.h: Likewise.
1264 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1265 has working .subsection -1 support.
1266 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1268 * config/svr3.h: Likewise.
1269 * config/darwin.h: Likewise.
1270 * config/arm/aof.h: Likewise.
1271 * config/arm/linux-elf.h: Likewise.
1272 * config/avr/avr.h: Likewise.
1273 * config/c4x/c4x.h: Likewise.
1274 * config/d30v/d30v.h: Likewise.
1275 * config/i386/dgux.h: Likewise.
1276 * config/i386/osfrose.h: Likewise.
1277 * config/i386/sco5.h: Likewise.
1278 * config/i386/svr3gas.h: Likewise.
1279 * config/ia64/aix.h: Likewise.
1280 * config/m32r/m32r.h: Likewise.
1281 * config/m68k/m68k.h: Likewise.
1282 * config/m88k/dgux.h: Likewise.
1283 * config/m88k/m88k.h: Likewise.
1284 * config/mcore/mcore-pe.h: Likewise.
1285 * config/mips/mips.h: Likewise.
1286 * config/pa/pa.h: Likewise.
1287 * config/pa/pa-linux.h: Likewise.
1288 * config/romp/romp.h: Likewise.
1289 * config/rs6000/sysv4.h: Likewise.
1290 * config/rs6000/xcoff.h: Likewise.
1291 * config/s390/linux.h: Likewise.
1292 * config/sparc/sparc.h: Likewise.
1293 * config/sparc/sysv4.h: Likewise.
1294 * config/stormy16/stormy16.h: Likewise.
1295 * config/v850/v850.h: Likewise.
1296 * config/vax/vms.h: Likewise.
1297 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1298 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1299 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1300 default_elf_asm_named_section for SHF_MERGE sections.
1302 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1304 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1307 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1309 * c-common.c (split_specs_attrs): Allow for empty attributes with
1310 empty TREE_PURPOSE. Fixes PR c/4294.
1312 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1314 * basic-block.h (cached_make_edge, make_single_succ): New.
1315 (make_edge): Remove first parameter.
1316 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1317 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1318 created edge; use obstack allocation.
1319 (make_edge, make_single_succ_edge): New.
1320 (first_removed_edge): New static variable.
1321 (init_flow): Initialize first_removed_edge and n_edges.
1322 (clear_edges): Use remove_edge.
1323 (flow_delete_block): Likewise.
1324 (remove_edge): Add removed edges to the removed edges list.
1325 (split_block, redirect_edge_and_branch_force, split_edge):
1327 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1328 (add_noreturn_fake_exit_edges): Likewise.
1329 (connect_infinite_loops_to_exit): Liekwise.
1330 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1331 Use cached_make_edge.
1332 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1333 * profile.c (branch_prob): Update make_edge call.
1334 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1336 2001-09-11 Richard Henderson <rth@redhat.com>
1338 * config/alpha/alpha.c: Tidy formatting.
1339 (local_symbolic_operand): Verify mode.
1340 (alpha_sa_mask): Ignore unicos for eh_return.
1341 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1342 * config/alpha/alpha.md (umk divsi patterns): Remove.
1343 (extendsfdf2): Remove unicos check.
1344 (tablejump): Merge vms and unicos code; always use direct set
1347 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1349 * config.gcc (alpha*-*-unicosmk*): New target.
1351 * config/alpha/alpha-protos.h (symbolic_operand,
1352 unicosmk_add_call_info_word, unicosmk_add_extern,
1353 unicosmk_defer_case_vector, unicosmk_unique_section,
1354 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1355 unicosmk_asm_file_start, unicosmk_asm_file_end,
1356 unicosmk_output_common): Declare.
1358 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1359 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1360 alpha_does_function_need_gp, alpha_end_function): Support Cray
1362 (alpha_init_machine_status, alpha_mark_machine_status,
1363 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1364 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1365 unicosmk_asm_named_section, unicosmk_insert_attributes,
1366 unicosmk_section_type_flags, symbolic_operand,
1367 unicosmk_output_module_name, unicosmk_output_default_externs,
1368 unicosmk_output_dex, unicosmk_output_externs,
1369 unicosmk_output_addr_vec, unicosmk_ssib_name,
1370 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1371 unicosmk_asm_file_end, unicosmk_output_common,
1372 unicosmk_section_type_flags, unicosmk_unique_section,
1373 unicosmk_add_call_info_word, unicosmk_text_section,
1374 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1375 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1376 unicosmk_dex_count, unicosmk_special_name): New.
1377 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1378 TARGET_ABI_UNICOSMK.
1379 (get_aligned_mem, alpha_expand_unaligned_load,
1380 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1381 alpha_expand_unaligned_store_words): Support big-endian mode.
1382 (print_operand): Likewise. New format specifier 't'. Use
1383 TARGET_AS_SLASH_BEFORE_SUFFIX.
1384 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1385 (alpha_pv_save_size): Update with above change.
1386 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1387 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1390 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1391 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1392 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1393 (EXTRA_CONSTRAINT): New constraint 'U'.
1394 (PREDICATE_CODES): Add symbolic_operand.
1396 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1397 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1398 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1399 (integer division and modulus patterns): Split in default and
1401 (*divmodsi_internal, *divmoddi_internal): Disable for
1402 TARGET_ABI_UNICOSMK.
1403 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1404 little-endian and big-endian versions.
1405 (ext, ins, msk): Likewise.
1406 (extv, extzv, insv): Support big-endian mode.
1407 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1408 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1409 *tablejump_umk_internal, *call_value_umk): New.
1410 (*movdi_nofix): Add pattern for loading an address into a register on
1411 TARGET_ABI_UNICOSMK.
1412 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1413 (umk_mismatch_args, arg_home_umk): New.
1414 (various insns): Don't use mov, fmov, nop, fnop and unop.
1415 (realign): Support TARGET_ABI_UNICOSMK.
1417 * config/alpha/unicosmk.h: New file.
1418 * config/alpha/t-unicosmk: New file.
1420 * fixinc/inclhack.def (unicosmk_restrict): New.
1421 * fixinc/fixincl.x: Regenerate.
1423 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1424 (wchar_t): Check for and define __WCHAR_T__.
1426 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1428 * combine.c (simplify_shift_const): Treat shifts by the mode
1431 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1433 * cpphash.h (struct tokenrun): New.
1434 (struct cpp_context): New member bol.
1435 (struct cpp_reader): New members.
1436 (_cpp_init_tokenrun): New.
1437 * cppinit.c (cpp_create_reader): Set up the token runs.
1438 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1439 (lex_token): New internalised version of _cpp_lex_token. Don't
1440 handle directives or the multiple include opimisation here any
1441 more. Simply lex a token.
1442 * cpplib.c (run_directive): Clear bol.
1443 (_cpp_pop_buffer): Set bol.
1444 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1447 2001-09-11 Michael Meissner <meissner@redhat.com>
1449 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1450 give an error if the user uses -mfp32.
1451 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1453 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1454 floating point register size.
1455 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1457 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1458 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1460 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1461 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1463 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1465 * dbxout.c (dbxout_parms): Fix typo in comment.
1466 * unroll.c (loop_find_equiv_value): Ditto.
1467 * toplev.c (rest_of_compilation): Ditto.
1468 * loop.c (scan_loop): Ditto.
1469 * dwarf2out.c (struct dw_fde_struct): Ditto.
1471 2001-09-10 Zack Weinberg <zackw@panix.com>
1473 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1474 copying identifier when we're just going to throw it away.
1475 (parse_identifier_slow): New routine to handle abnormal cases.
1476 (_cpp_lex_token): Update call site.
1478 * hashtable.c (ht_lookup): Don't assume that the string we've
1479 been given is NUL-terminated.
1480 * system.h: #define __builtin_expect(a, b) to (a) if not
1483 2001-09-10 Michael Meissner <meissner@redhat.com>
1485 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1488 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1490 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1492 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1494 * builtins.c (c_getstr): Correct thinko in last change and further
1497 2001-09-10 Tim Freeman <tim@fungibole.com>
1499 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1500 into varray's and register them as roots with the garbage
1501 collector so they are not collected too soon.
1503 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1505 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1507 * basic-block.h (flow_obstack, label_value_list,
1508 tail_recursion_label_list): Declare
1509 (tidy_fallthru_edges): Declare.
1510 (expunge_block, last_loop_beg_note): Delete.
1511 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1513 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1514 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1515 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1516 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1517 expunge_block, flow_delete_block, compute_bb_for_insn,
1518 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1519 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1520 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1521 try_redirect_by_replacing_jump, last_loop_beg_note,
1522 redirect_edge_and_branch, redirect_edge_and_branch_force,
1523 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1524 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1525 commit_edge_insertions, dump_flow_info, debug_flow_info,
1526 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1527 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1528 Move here from flow.c
1529 * cfganal.c: New file.
1530 (forwarder_block_p, can_fallthru, mark_critical_edges,
1531 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1532 find_unreachable_blocks, create_edge_list, free_edge_list,
1533 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1534 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1535 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1536 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1537 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1538 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1539 Move here from flow.c
1540 * cfgbuild.c: New file
1541 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1542 make_edges, find_basic_blocks_1, find_basic_blocks,
1543 find_sub_basic_blocks): Move here from flow.c
1544 * cfgcleanup.c: New file.
1545 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1546 merge_blocks_move_predecessor_nojumps,
1547 merge_blocks_move_successor_nojumps, merge_blocks,
1548 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1549 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1550 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1552 * cfgloop.c: New file
1553 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1554 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1555 flow_loop_exit_edges_find, flow_loop_nodes_find,
1556 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1557 flow_loop_tree_node_add, flow_loops_tree_build,
1558 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1559 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1560 Move here from flow.c
1561 * flow.c: Remove everything moved elsewhere
1562 * output.h (cleanup_cfg): Return bool.
1564 * bb-reorder.c (reorder_block_def): Remove 'index'.
1565 (insert_intra_1): Add argument BB, set block for new note.
1566 (make_reorder_chain): Do not depdent on BB indexes.
1567 (make_reorder_chain_1): Do not use BB indexes.
1568 (label_for_bb): Likewise; set BB for new insn.
1569 (emit_jump_to_block_after): Likewise.
1570 (fixup_reoder_chain): Sanity check that all basic blocks
1571 are chained; verify newly created insn chain; remove
1572 undocnitional jump simplifying; Do not use BB indexes;
1573 properly initialize count and frequency information;
1574 dump reordered sequence.
1575 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1576 (insert_inter_bb_scope_notes): Set block for new insn.
1577 (reorder_basic_blocks): Dump flow info before reoredering.
1579 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1581 * alias.c (clear_reg_alias_info): Use K&R format definition.
1582 Avoid unsigned warning.
1583 * builtins.c: Use "unsigned int", not "unsigned".
1584 (target_char_cast): Use host_integerp and tree_low_cst.
1585 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1586 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1587 (c_getstr): Likewise.
1588 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1589 (builtin_memcpy_read_str): Avoid unsigned warning.
1590 (expand_builtin_memcpy): Alignments are unsigned.
1591 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1592 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1593 * predict.c (expensive_function_p): LIMIT now unsigned.
1594 * resource.c (mark_target_live_regs): Make some vars unsigned.
1595 * sdbout.c: Use "unsigned int", not "unsigned".
1596 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1597 (sdbout_source_line): Likewise.
1598 (sdbout_record_type_name): Remove "const" for NAME declaration.
1599 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1601 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1603 * calls.c (store_one_arg): Expand comment.
1605 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1607 * calls.c (store_one_arg): Make sure that the entire argument is
1608 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1610 2001-09-09 Richard Henderson <rth@redhat.com>
1612 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1614 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1616 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1618 2001-09-09 Richard Henderson <rth@redhat.com>
1620 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1621 (alpha_this_literal_sequence_number): New.
1622 (alpha_this_gpdisp_sequence_number): New.
1623 (some_operand, input_operand): Add HIGH.
1624 (local_symbolic_operand): New.
1625 (alpha_encode_section_info): New.
1626 (alpha_legitimate_address_p): Allow LO_SUM.
1627 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1628 (alpha_expand_mov): Likewise.
1629 (secondary_reload_class): Check memory_operand not general_operand
1631 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1632 (alpha_expand_unaligned_store): Likewise.
1633 (alpha_expand_unaligned_load_words): Likewise.
1634 (alpha_expand_unaligned_store_words): Likewise.
1635 (alpha_expand_block_clear): Likewise.
1636 (print_operand): Handle %#, %*, %H.
1637 (print_operand_address): Handle LO_SUM.
1639 (alpha_does_function_need_gp): Use it.
1640 (alpha_expand_block_move): Fix signed compare warnings.
1641 (alpha_sa_mask, alpha_align_insns): Likewise.
1642 * config/alpha/alpha-protos.h: Update.
1643 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1644 (MASK_EXPLICIT_RELOCS): New.
1645 (TARGET_SWITCHES): Add -mexplicit-relocs.
1646 (EXTRA_CONSTRAINT): Add 'T'.
1647 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1648 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1649 (ENCODE_SECTION_INFO): Out line.
1650 (REDO_SECTION_INFO_P): New.
1651 (STRIP_NAME_ENCODING): New.
1652 (ASM_OUTPUT_LABELREF): New.
1653 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1654 (PREDICATE_CODES): Update.
1655 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1656 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1657 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1658 builtin_setjmp_receiver_er, exception_receiver_1_er,
1659 call_value_osf_1_er): New patterns.
1660 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1661 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1662 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1663 (FINAL_PRESCAN_INSN): New.
1665 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1667 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1669 2001-09-08 Andreas Jaeger <aj@suse.de>
1671 * i386.h (TARGET_SWITCHES): Fix description.
1673 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1675 * rs6000.c (num_insns_constant): Compute number of instructions
1678 * doc/install.texi: Explain AIX exception handling work-around.
1679 Update URL for AIX fixes.
1681 2001-09-07 Jim Wilson <wilson@redhat.com>
1683 * alias.c (clear_reg_alias_info): New.
1684 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1685 * rtl.h (clear_reg_alias_info): Declare.
1687 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1689 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1691 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1692 (m16m,edivm,emulm): Change declaration to match definition.
1694 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1696 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1697 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1700 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1702 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1703 which have no corresponding C type.
1704 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1705 the representation of 64-bit doubles to work with 64-bit ints.
1707 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1709 * config/mips/mips.c (override_options): Do not override ISA when ABI
1710 specified if MIPS_CPU_STRING_DEFAULT was specified.
1712 2001-09-07 Richard Henderson <rth@redhat.com>
1714 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1715 (express_from_1): Wrap lines.
1716 * rtlanal.c (commutative_operand_precedence): Rename from
1717 operand_preference; export.
1718 * rtl.h: Declare it.
1719 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1720 (simplify_binary_operation): Invoke simplify_plus_minus on
1721 (CONST (PLUS ...)) as well.
1722 (struct simplify_plus_minus_op_data): New.
1723 (simplify_plus_minus_op_data_cmp): New.
1724 (simplify_plus_minus): Use them. Avoid infinite recursion with
1725 simplify_binary_operation wrt CONST.
1727 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1729 * h8300-protos.h (general_operand_dst_push): Remove.
1730 * h8300.c (general_operand_dst_push): Likewise.
1731 * h8300.h (OK_FOR_T): Likewise.
1732 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1733 * h8300.md (pushqi_h8300): New.
1734 (pushqi_h8300hs): Likewise.
1736 (pushhi_h8300): Likewise.
1737 (pushhi_h8300hs): Likewise.
1740 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1742 * genattrtab.c (attr_printf): First arg is unsigned.
1743 Clean up formatting of callers.
1745 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1747 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1750 2001-09-07 Andreas Jaeger <aj@suse.de>
1752 * i386.h (TARGET_SWITCHES): Fix descriptions.
1754 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1756 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1758 2001-09-06 Ira Ruben <ira@apple.com>
1760 Remove OP_IDENTIFIER.
1761 * tree.def (OP_IDENTIFIER): Remove.
1762 * tree.c (tree_node_kind enum): Remove op_id_kind.
1763 (tree_node_kind_names): Remove "op_identifiers".
1764 (make_node): Remove OP_IDENTIFIER test.
1765 (build_op_identifier): Removed because it isn't being used.
1766 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1767 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1769 2001-09-06 Richard Henderson <rth@redhat.com>
1771 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1773 2001-09-06 Richard Henderson <rth@redhat.com>
1775 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1778 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1780 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1781 number used for CR register.
1783 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1784 Joern Rennecke (amylaar@cygnus.com)
1786 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1787 * h8300.c (initial_offset): Handle offset between RP and FP.
1788 (h8300_return_addr_rtx): New function.
1789 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1791 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1792 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1793 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1794 (CAN_ELIMINATE, REGISTER_NAMES):
1795 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1797 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1799 Remove TYPE_NONCOPIED_PARTS.
1800 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1801 (struct tree_type): Remove noncopied_parts.
1802 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1803 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1804 (fixed_type_p): Remove.
1805 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1806 (expand_expr, MODIFY_EXPR): Likewise.
1807 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1808 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1810 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1812 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1814 (mask64_operand): Likewise.
1815 (includes_rldic_lshift_p): Likewise.
1816 (includes_rldicr_lshift_p): Likewise.
1818 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1820 * objc/objc-act.c (build_message_expr): If a class method cannot
1821 be found, do not issue a warning if a corresponding instance
1822 method exists in the root class.
1824 2001-09-05 Richard Henderson <rth@redhat.com>
1826 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1828 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1830 * function.c (ggc_mark_struct_function): Mark f->outer.
1831 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1832 * integrate.c (output_inline_function): ... not here.
1834 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1836 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1838 * i386.c (size_cost): New static variable.
1839 (override_function): Use size_cost when -Os is specified.
1841 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1842 properly; Use current_function_calls_eh_return.
1843 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1844 use leave to avoid depdendancy chain.
1846 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1847 get BB loop_depth instead of computing it from LOOP notes.
1849 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1851 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1853 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1854 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1855 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1857 2001-09-05 Jeffrey A Law (law@cygnus.com)
1858 Jason Merrill (jason@redhat.com)
1860 * stor-layout.c (layout_type): Complain if an array's size can
1861 not be represented in a size_t.
1863 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1865 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1867 * gcc.c: (process_command) Add parentheses around assignment
1868 used as truth value.
1870 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1872 * config/mips/mips.c (save_restore_insns): Don't mark any register
1873 save slots as unchanging if current_function_calls_eh_return.
1875 2001-09-05 Richard Henderson <rth@redhat.com>
1877 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1878 * config/alpha/alpha-protos.h: Declare it.
1879 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1880 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1881 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1882 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1883 (REG_OK_FOR_BASE_P): Select one of the above.
1885 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1887 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1888 (crti.o): Prefix name of object file with $(T).
1891 2001-09-05 David S. Miller <davem@redhat.com>
1893 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1894 * config/sparc/linux64.h: Likewise.
1896 2001-09-05 Andreas Jaeger <aj@suse.de>
1898 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1899 available anymore, remove the documentation.
1900 (i386 Options): Fix typo, cleanup index entries.
1902 * prefix.c (concat): Remove, we can use the version from liberty.
1904 2001-09-05 Richard Henderson <rth@redhat.com>
1906 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1907 New functions split out of md file expanders.
1908 * config/alpha/alpha-protos.h: Declare them.
1909 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1911 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1913 * cppmacro.c (funlike_invocation_p): No need to restore context.
1915 2001-09-04 Richard Henderson <rth@redhat.com>
1917 * reload.c (push_reload): Export.
1918 * reload.h (push_reload): Declare it.
1920 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1921 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1922 * config/alpha/alpha.c (alpha_legitimize_address): New.
1923 (alpha_legitimize_reload_address): Likewise.
1924 * config/alpha/alpha-protos.h: Declare them.
1926 2001-09-04 Stan Shebs <shebs@apple.com>
1928 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1929 * config/darwin.c (machopic_stub_name): Account for internally
1930 generated lib calls such as memcpy.
1932 2001-09-04 Richard Henderson <rth@redhat.com>
1934 * unwind.h (_UA_END_OF_STACK): New flag.
1935 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1937 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1939 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1941 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1943 * config/mips/mips.c (save_restore_insns): Change base_offset to
1944 fp_offset in second call to mips_emit_frame_related_store.
1946 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1948 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1949 sometimes be represented as a NOTE of type
1950 NOTE_INSN_DELETED_LABEL.
1951 (Insns): Document NOTE_INSN_DELETED_LABEL.
1953 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1955 * c-common.h (tree_dump_index): Add more comments.
1956 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1957 (dump_option_value_info): New struct.
1958 (dump_options): New array.
1959 (dump_switch_p): Parse switch options symbolically.
1960 * doc/invoke.texi (-fdump-ast): Rename to ...
1961 (-fdump-tree): ... here. Document that options are symbolic, and
1962 not all are applicable.
1964 2001-09-04 David S. Miller <davem@redhat.com>
1966 * config/sparc/sparc.md (define_splits): Kill constraints.
1968 Cleanup redundant and unused insn attributes.
1969 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1970 binary, and move. Mark ialu as default.
1971 (commented out define_function_unit "alu"): Kill.
1972 (define_attr "use_clobbered"): Kill.
1973 (whole file): Kill address insn type references. Replace
1974 all unary/binary/move references with ialu.
1975 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1976 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1979 Simplify length insn attribute and make more judicious use
1980 of insn attribute defaulting.
1981 * config/sparc/sparc.md (all insns with length > one): Mark as
1982 insn type multi if real instructions, else use default if
1983 it is a forced splitter.
1984 (all insns with length == one): Use default insn length.
1985 (all insns of type ialu): Use default insn type.
1987 Fix erroneous insn attribute settings.
1988 (addx): Set insn type to misc.
1989 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1990 const_umulsidi3_sp64): Set insn type to imul.
1992 Track SFmode vs DFmode insns according to UltraSPARC
1994 * config/sparc/sparc.md ("fptype"): New attribute, default
1996 (all DFmode single insns): Mark as fptype "double".
1998 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2000 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2002 2001-09-03 Richard Henderson <rth@redhat.com>
2004 * function.h (struct function): Add arg_pointer_save_area_init.
2005 * function.c (expand_function_end): Init arg_pointer_save_area.
2006 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2007 when called from a nested function.
2009 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2011 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2014 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2016 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2018 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2020 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2021 (emit_push_insn): Use specified padding direction when
2022 STACK_PUSH_CODE is POST_INC.
2024 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2026 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2028 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2030 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2032 * cppinit.c (cpp_start_read): Free the imacros list as we
2033 traverse it. Don't free the chains before returning.
2034 (_cpp_push_next_buffer): Only try pushing buffers if we've
2035 completed -imacros handling.
2037 2001-08-31 Eric Christopher <echristo@redhat.com>
2039 * gcc.c (handle_braces): Add explaination for abort.
2041 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2043 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2044 move adjustment of bitpos instead.
2046 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2048 * function.c: Remove all_functions. Make outer_function_chain
2050 (init_function_start): Don't add new function structure to
2052 (find_function_data, push_function_context_to,
2053 pop_function_context_from, put_var_into_stack,
2054 trampoline_address): Update for changed structure element names.
2055 (push_function_context_to): Disentangle.
2056 (free_after_compilation): Also free F.
2057 (expand_dummy_function_end): Don't free cfun here.
2058 (put_var_into_stack): Comment why we can't use find_function_data here.
2059 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2060 (mark_function_chain): Split into maybe_mark_struct_function and
2061 ggc_mark_struct_function. Export the latter.
2062 (init_function_once): Mark from cfun and outer_function_chain;
2065 * function.h (struct function): Kill next_global. Rename next
2066 to outer. All users updated to match.
2067 (all_functions, outer_function_chain): Don't declare.
2069 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2070 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2071 don't touch f->inlinable, after calling rest_of_compilation.
2073 * tree.h: Forward-declare struct function. Prototype
2074 ggc_mark_struct_function.
2076 2001-08-31 Kazu Hirata <kazu@hxi.com>
2078 * config/h8300/h8300.md (*andorhi3): Fix typos.
2080 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2082 * calls.c (emit_library_call_value): Don't use a fixed
2083 argument after VA_CLOSE, i.e. out of scope in traditional C.
2085 * emit-rtl.c (gen_rtvec): Likewise.
2087 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * Makefile.in (c-pragma.o): Depend on output.h.
2090 (reorg.o): Depend on except.h.
2092 * c-pragma.c: Include output.h.
2094 * reorg.c: Include except.h.
2096 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2098 2001-08-31 Richard Henderson <rth@redhat.com>
2100 * sched-deps.c (add_dependence): Don't elide dependancy if the
2101 conditional used by insn is modified in elem.
2103 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2105 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2107 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2109 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2112 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2114 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2116 (stormy16_asm_out_constructor): New function.
2117 (TARGET_ASM_CONSTRUCTOR): Define.
2118 (TARGET_ASM_DESTRUCTOR): Define.
2120 2001-08-31 Andreas Jaeger <aj@suse.de>
2122 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2123 * loop.c (add_label_notes): Likewise.
2124 * reload.c (find_reloads): Likewise.
2125 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2127 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2129 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2130 code here. Take _Unwind_{W,Sw}ord*.
2131 (read_encoded_value_with_base): Use them.
2132 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2134 (extract_cie_info): Simplify read_?leb128 handling.
2135 (execute_stack_op, execute_cfa_program): Likewise.
2136 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2138 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2140 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2141 the frame pointer to pop the stack if convenient.
2143 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2144 Don't use post-increment before combine.
2145 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2146 a call-saved register.
2148 2001-08-31 Andreas Jaeger <aj@suse.de>
2150 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2153 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2155 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2156 not DIV/MOD, of course.
2158 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2160 * rtl.def: Undo my patch commited 2001-08-27.
2162 * genattrtab.c: Ditto.
2166 * sched-int.h: Ditto.
2168 * target-def.h: Ditto.
2172 * haifa-sched.c: Ditto.
2174 * sched-rgn.c: Ditto.
2176 * sched-vis.c: Ditto.
2178 * Makefile.in: Ditto.
2180 * doc/md.texi: Ditto.
2182 * doc/tm.texi: Ditto.
2184 * doc/contrib.texi: Ditto.
2186 * doc/gcc.texi: Ditto.
2188 * genattrtab.h: Remove it.
2190 * genautomata.c: Remove it.
2192 * genattr.c: Undo my patch and Richard Henderson's patch commited
2195 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2197 * config.gcc (h8300-*-elf*): New case.
2198 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2199 (SUBTARGET_CPP_SPEC): Define.
2200 (EXTRA_SPECS): Define.
2201 (SUBTARGET_EXTRA_SPECS): Define.
2202 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2203 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2205 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2207 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2208 (LIB2FUNCS_EXTRA): Define.
2209 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2210 config/h8300/fixunssfsi.c: New file.
2212 2001-08-30 Kazu Hirata <kazu@hxi.com>
2214 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2215 define_expand to accomodate target-specific attributes.
2216 (anonymous zero_extendqihi2 patterns): New.
2218 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2220 * h8300.md (*andorhi3): New pattern.
2222 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2224 * h8300.c (dosize): Fix test for "sub".
2226 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2228 * c-typeck.c (pointer_diff): Try to eliminate common term before
2231 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2233 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2234 Account for the saves of the FP registers.
2236 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2237 (TEXT_SECTION_ASM_OP): Define.
2238 (INIT_SECTION_ASM_OP): Define.
2239 (FINI_SECTION_ASM_OP): Define.
2240 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2241 (RDATA_SECTION_FUNCITON): Provide prototype.
2243 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2245 * reload1.c (move2add_note_store): Correct typo checking for
2248 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2250 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2251 note should not be considered outside the libcall block.
2253 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2255 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2257 2001-08-29 Kazu Hirata <kazu@hxi.com>
2259 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2261 2001-08-29 Kazu Hirata <kazu@hxi.com>
2263 * config/h8300/h8300-protos.h: Add a prototype for
2265 * config/h8300/h8300.c (emit_logical_op): New.
2266 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2273 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2275 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2276 comparison with rtx INTVAL.
2277 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2279 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2281 2001-08-29 Kazu Hirata <kazu@hxi.com>
2283 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2286 2001-08-29 Kazu Hirata <kazu@hxi.com>
2288 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2289 (reg n) to (mem (pre_dec (reg n))
2290 (anonymous movsi pattern): Likewise.
2292 2001-08-29 Kazu Hirata <kazu@hxi.com>
2294 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2296 2001-08-29 Kazu Hirata <kazu@hxi.com>
2298 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2299 several special constants.
2301 2001-08-29 Kazu Hirata <kazu@hxi.com>
2303 * config/h8300/lib1funcs.asm: Fix comment typos.
2305 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2307 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2308 Fix format specifier warnings.
2310 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2311 inet_makeaddr, semctl): Prototype.
2313 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2314 (save_restore_insns): Use base_offset, not gp_offset.
2316 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2317 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2319 2001-08-29 Richard Henderson <rth@redhat.com>
2321 * bb-reorder.c (function_tail_eff_head): New.
2322 (record_effective_endpoints): Set it.
2323 (fixup_reorder_chain): Use it.
2325 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2327 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2329 2001-08-28 Dale Johannesen <dalej@apple.com>
2331 * config/darwin.c (machopic_function_base_name): Add const
2332 qualifier to a string.
2333 (darwin_encode_section_info): Ditto.
2335 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2337 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2338 function definition.
2340 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2342 * df.h (struct df): Add rts_order variable.
2344 * df.c (df_visit_next_rts): New function.
2345 (df_visit_next): Renamed to df_visit_next_rc
2346 (df_analyse_1): Allocate/compute/free rts_order as well.
2347 (df_rd_global_compute): Use df_visit_next_rc instead of
2349 (df_ru_global_compute): Use df_visit_next_rts instead of
2352 * flow.c (flow_reverse_top_sort_order_compute): New function.
2354 * basic-block.h: Add prototype.
2356 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2358 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2359 blocks, the BB_REACHABLE is now set, rather than aux being
2360 non-NULL. Update the test to reflect this.
2362 2001-08-28 Eric Christopher <echristo@redhat.com>
2364 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2365 config/mips/crti.asm: Ditto.
2367 2001-08-28 Eric Christopher <echristo@redhat.com>
2368 Richard Henderson <rth@redhat.com>
2370 * c-pragma.h (add_weak): Move prototype from here...
2371 * output.h (add_weak): ... to here.
2372 * varasm.c (add_weak): Fix typo.
2373 * config/mips/crti.asm: New file.
2374 * config/mips/crtn.asm: Ditto.
2375 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2376 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2377 (INVOKE__main): Ditto.
2378 (INIT_SECTION_ASM_OP): New.
2379 (FINI_SECTION_ASM_OP): Ditto.
2380 (STARTFILE_SPEC): Add crti.
2381 (ENDFILE_SPEC): Add crtn.
2382 * config/mips/elf64.h: Same.
2383 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2385 * config/mips/vxworks.h: Ditto.
2386 * config/mips/t-elf: Support crti and crtn.
2388 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2390 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2393 2001-08-28 Richard Henderson <rth@redhat.com>
2395 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2396 (one_cmplbi2 splitter): Remove redundant test.
2398 2001-08-28 Dale Johannesen <dalej@apple.com>
2400 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2402 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2404 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2406 2001-08-28 Stan Shebs <shebs@apple.com>
2408 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2409 (UNALIGNED_SHORT_ASM_OP): Define.
2410 (UNALIGNED_INT_ASM_OP): Define.
2412 2001-08-28 Will Cohen <wcohen@redhat.com>
2414 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2415 generation for first set.
2417 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2419 * flow.c (redirect_edge_succ_nodup): Return new edge.
2420 (try_simplify_condjump): Use new edge.
2421 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2423 * cse.c (cse_basic_block): Skip note instructions.
2425 2001-08-27 Richard Henderson <rth@redhat.com>
2427 * combine.c (combine_simplify_rtx): Don't reverse condition
2428 if there is no reverse for the condition.
2429 (simplify_comparison): Don't simplify subregs from INT to FP.
2431 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2432 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2433 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2434 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2435 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2436 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2438 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2440 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2441 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2443 (adddi_dilshr32, adddi_dishl32): Only data register can be
2444 source for mem destination.
2446 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2447 and use bitnum to decide about register move.
2449 2001-08-27 Richard Henderson <rth@redhat.com>
2451 * genattr.c (main): Emit state_t even when not doing scheduling.
2453 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2454 Richard Henderson <rth@redhat.com>
2456 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2457 (reg_avail_info, current_bb): ... these.
2458 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2459 (compute_hash_table): Likewise.
2461 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2463 * flow.c (verify_flow_info): Use checksums to verify edges.
2465 2001-08-27 Richard Henderson <rth@redhat.com>
2467 * genautomata.c (expand_automata): Always create a description.
2469 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2471 * optabs.c (expand_binop): Correctly handle the carry in multiword
2472 add/subtract operations.
2474 2001-08-27 Fred Fish <fnf@be.com>
2476 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2479 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2481 * reload.c (find_reloads_toplev): Back out this change:
2483 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2485 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2486 mem if the address is a mode_dependent_address_p.
2488 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2490 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2491 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2492 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2495 * genattr.c (main): New variable num_insn_reservations. Increase
2496 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2497 pipeline hazard recognizer interface.
2499 * genattrtab.h: New file.
2501 * genattrtab.c: Include genattrtab.h.
2502 (attr_printf, check_attr_test, make_internal_attr,
2503 make_numeric_value): Move protypes into genattrtab.h. Define them
2505 (num_dfa_decls): New global variable.
2506 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2507 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2508 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2509 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2511 * genautomata.c: New file.
2513 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2515 * sched-int.h: (curr_state): Add the external definition for
2516 automaton pipeline interface.
2517 (haifa_insn_data): Add comments for members blockage and units.
2519 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2520 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2521 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2522 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2523 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2524 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2525 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2527 (TARGET_SCHED): Use the new macros.
2529 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2530 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2531 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2532 dfa_bubble): New members in gcc_target.sched.
2534 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2535 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2536 (insn_queue): Redefine it as pointer to array.
2537 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2539 (max_insn_queue_index_macro_value): New variable.
2540 (curr_state, dfa_state_size, ready_try): New varaibles for
2541 automaton interface.
2542 (ready_element, ready_remove, max_issue): New function prototypes
2543 for automaton interface.
2544 (choose_ready): New function prototype.
2545 (insn_unit, blockage_range): Add comments.
2546 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2547 FUNCTION_UNITS_SIZE == 0.
2548 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2549 actual_hazard, potential_hazard): Add comments.
2550 (insn_cost): Use cost -1 as undefined value. Remove
2551 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2553 (ready_element, ready_remove): New functions for automaton
2555 (schedule_insn): Add new code for automaton pipeline interface.
2556 (queue_to_ready): Add new code for automaton pipeline interface.
2557 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2558 (debug_ready_list): Print newline when the queue is empty.
2559 (max_issue): New function for automaton pipeline interface.
2560 (choose_ready): New function.
2561 (schedule_block): Add new code for automaton pipeline interface.
2562 Print ready list before scheduling each insn.
2563 (sched_init): Add new code for automaton pipeline interface.
2564 Initiate insn cost by -1.
2565 (sched_finish): Free the current automaton state and finalize
2566 automaton pipeline interface.
2568 * sched-rgn.c: Include target.h.
2569 (init_ready_list, new_ready, debug_dependencies): Add new code for
2570 automaton pipeline interface.
2572 * sched-vis.c: Include target.h.
2573 (get_visual_tbl_length): Add code for automaton interface.
2574 (target_units, print_block_visualization): Add comments.
2576 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2577 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2578 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2579 (getruntime.o, genautomata.o): New entries.
2580 (genattrtab.o): Add new dependency file genattrtab.h.
2581 (genattrtab): Add new dependencies. Link it with `libm.a'.
2582 (getruntime.o, hashtab.o): New entries for canadian cross.
2584 * doc/md.texi: Description of automaton based model.
2586 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2588 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2589 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2590 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2591 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2592 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2593 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2594 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2596 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2597 MAX_DFA_ISSUE_RATE): New macro descriptions.
2599 * doc/contrib.texi: Add dfa based scheduler contribution.
2601 * doc/gcc.texi: Add more information about genattrtab.
2603 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2605 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2608 2001-08-27 Richard Henderson <rth@redhat.com>
2610 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2611 (get_arg_pointer_save_area): New. Create an init it here.
2612 (fix_lexical_addr): Use it.
2613 * function.h: Declare it.
2614 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2615 * stmt.c (expand_nl_goto_receiver): Use it.
2617 2001-08-27 Richard Henderson <rth@redhat.com>
2619 * final.c (final_scan_insn): Don't enter APP_ON mode for
2622 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2623 alignment for assemble_integer for DW_EH_PE_aligned.
2624 * except.c (output_function_exception_table): Likewise.
2626 2001-08-26 Andreas Jaeger <aj@suse.de>
2628 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2630 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2632 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2634 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2636 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2638 (mask64_operand): Likewise.
2639 (rldic_operand): Delete.
2640 (includes_lshift64_p): Delete.
2641 (includes_rldic_lshift_p): New function.
2642 (includes_rldicr_lshift_p): New function.
2643 (print_operand): Don't call rldic_operand in case 'W'.
2644 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2645 (includes_lshift64_p): Remove.
2646 (includes_rldic_lshift_p): Declare.
2647 (includes_rldicr_lshift_p): Declare.
2648 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2649 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2650 Replace match_operand rldic_operand predicate with
2651 const_int_operand. Replace includes_lshift64_p condition with
2652 includes_rldic_lshift_p.
2653 <ashldi3_internal 64 bit rldicr patterns>: New.
2655 2001-08-27 Andreas Jaeger <aj@suse.de>
2657 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2658 * errors.c: Likewise.
2659 * final.c: Likewise.
2660 * dwarf2asm.c: Likewise.
2661 * doprint.c (checkit): Likewise.
2662 * diagnostic.c: Likewise.
2663 * collect2.c: Likewise.
2664 * calls.c: Likewise.
2665 * c-semantics.c (build_stmt): Likewise.
2666 * c-format.c (status_warning): Likewise.
2667 * c-errors.c (pedwarn_c99): Likewise.
2668 * builtins.c (validate_arglist): Likewise.
2669 * config/pj/pj.c (pj_printf): Likewise.
2670 * fix-header.c: Likewise.
2672 * gcov.c (fnotice): Likewise.
2673 * gensupport.c (message_with_line): Likewise.
2674 * mips-tfile.c: Likewise.
2675 * protoize.c (notice): Likewise.
2676 * read-rtl.c (fatal_with_file_and_line): Likewise.
2677 * rtl-error.c: Likewise.
2678 * tradcpp.c: Likewise.
2680 * cp/tree.c (build_min_nt): Likewise.
2681 (build_min): Likewise.
2682 * cp/lex.c: Likewise.
2683 * cp/errfn.c: Likewise.
2684 * cp/rtti.c (create_pseudo_type_info): Likewise.
2686 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2688 * df.c (df_uses_record): Return after recording all uses
2691 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2693 * df.c (df_insn_modify): Realloc the INSN table here, if
2694 necessary, here, too.
2696 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2698 * config/mips/mips.c (mips_function_value): Handle complex return
2701 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2703 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2705 * reload.c (make_memloc): Copy result if it is still
2706 reg_equiv_memory_loc[regno] on return.
2707 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2708 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2709 reg_equiv_mem are modified by the substitutions.
2711 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2713 * predict.c (expensive_function_p): New.
2714 * rtl.h (expensive_function_p): Declare.
2715 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2716 (use_fast_prologue_epilogue): New static variable.
2717 (expand_prologue): Set it; emit short prologues if unset.
2718 (expand_epilogue): Likewise.
2720 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2722 * config.gcc: Add stormy16-*-elf case.
2723 * config/stormy16/stormy-abi: New file.
2724 * config/stormy16/stormy16-lib2.c: New file.
2725 * config/stormy16/stormy16-protos.h: New file.
2726 * config/stormy16/stormy16.c: New file.
2727 * config/stormy16/stormy16.h: New file.
2728 * config/stormy16/stormy16.md: New file.
2729 * config/stormy16/t-stormy16: New file.
2731 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2733 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2735 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2737 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2738 descriptor members are pointer size, not constant 4.
2739 * config/rs6000/rs6000.md (define_splits): Remove more unused
2742 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2746 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2748 * cp/rtti.c (VPARAMS): Fix parameter.
2750 2001-08-24 Zack Weinberg <zackw@panix.com>
2752 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2754 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2756 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2757 in if controlling use of insv.
2758 (extract_bit_field): Likewise, for extv and extzv.
2760 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2762 * i386.md (movcc peep2): Fix load of 0.
2764 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2767 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2769 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2771 * c-pragma.h: Move weak_syms and weak_decls...
2772 * varasm.c: ...here. Now static.
2773 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2774 depend on HANDLE_PRAGMA_WEAK.
2776 * c-common.c (c_alignof, c_alignof_expr): Move here...
2777 * c-typeck.c: ...from here.
2778 * c-tree.h, c-common.h: Adjust.
2780 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2782 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2783 instead of incrementing it.
2785 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2786 asm ready, don't try to move them all into the same array element.
2788 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2790 * function.c (thread_prologue_and_epilogue_insns): Avoid
2791 fallthru flag on edge to exit.
2793 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2795 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2798 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2800 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2801 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2802 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2805 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2807 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2808 replace "GNU CC" with "GCC".
2810 2001-08-23 Richard Henderson <rth@redhat.com>
2812 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2813 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2814 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2815 Need GR between FR and not GR_AND_FR.
2816 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2817 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2818 AR regs before GR regs.
2819 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2820 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2821 (REGISTER_MOVE_COST): Update.
2822 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2824 2001-08-23 Richard Henderson <rth@redhat.com>
2826 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2829 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2831 * reload1.c (emit_reload_insns): Don't look for notes
2832 on a NULL store_insn.
2834 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2836 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2837 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2838 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2839 format specifier warnings.
2840 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2842 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2844 * config/i386/i386-protos.h: Correct declaration of
2845 i386_pe_asm_named_section.
2847 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2849 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2851 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2853 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2855 * cpperror.c (print_location): Don't show _Pragma.
2856 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2857 and file change callback generation here.
2858 (stack_include_file): Update use of cpp_push_buffer.
2859 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2860 (struct cpp_buffer): Remove type, pfile members.
2861 * cppinit.c (cpp_handle_option): Use free_chain.
2862 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2863 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2864 a cpp_reader rather than a cpp_buffer.
2865 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2866 skip_line_comment, parse_string, lex_percent, lex_dot,
2867 _cpp_lex_token): Update accordingly.
2868 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2870 (cpp_push_buffer): Update prototype.
2871 (run_directive): Update use of cpp_push_buffer.
2872 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2873 handle_assertion): Update use of run_directive.
2874 * cpplib.h (enum cpp_buffer_type): Remove.
2875 (cpp_push_buffer): Update prototype.
2876 * fix-header.c (read_scan_file): Update.
2878 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2880 * gcc.c (struct prefix_list): Change prefix to const char *.
2882 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2884 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2886 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2888 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2891 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2894 * ifcvt.c (dead_or_predicable): Adjust.
2895 * loop.c (find_and_verify_loops): Adjust.
2896 * stmt.c (expand_end_case): Adjust.
2897 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2898 head and end insn pointers in the basic block, not just local copies.
2899 (merge_blocks_move_predecessor_nojumps): Likewise.
2901 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2903 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2904 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2905 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2906 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2907 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2908 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2909 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2910 conditions.h, config.gcc, configure.frag, configure.in,
2911 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2912 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2913 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2914 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2915 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2916 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2917 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2918 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2919 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2920 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2921 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2922 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2923 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2924 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2925 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2926 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2927 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2928 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2929 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2930 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2931 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2932 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2933 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2934 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2935 params.h, predict.c, predict.def, predict.h, prefix.c,
2936 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2937 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2938 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2939 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2940 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2941 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2942 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2943 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2944 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2945 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2946 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2947 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2948 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2949 xcoffout.h: replace "GNU CC" with "GCC".
2951 2001-08-21 Richard Henderson <rth@redhat.com>
2953 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2954 (final_scan_insn): Consider jump tables data even if we have no
2955 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2957 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2958 (ASM_OUTPUT_CASE_END): Remove.
2959 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2960 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2961 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2963 2001-08-21 Richard Henderson <rth@redhat.com>
2965 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2966 at barrier insns. Emit stop bits before barriers.
2968 * flow.c (flow_find_cross_jump): Don't consider unconditional
2969 return insns for commoning.
2971 * final.c (compute_alignments): Fix typo.
2973 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2974 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2975 (store_bit_field): Use mode_for_extraction more places.
2976 (extract_bit_field): Likewise.
2978 2001-08-21 Zack Weinberg <zackw@panix.com>
2980 * caller-save.c: Don't include insn-codes.h.
2981 (reg_save_code, reg_restore_code): Make arrays of int.
2982 All uses updated to match.
2983 (insert_save, insert_restore): No need to initialize "code"
2984 variable upon declaration.
2985 * Makefile.in: update dependencies; fix typo in clean rule.
2987 2001-08-21 Richard Henderson <rth@redhat.com>
2989 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2990 (merge_if_block): Handle fallout from same.
2992 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2994 * builtins.c (type_to_class): Fix typo in last change.
2996 2001-08-21 Richard Henderson <rth@redhat.com>
2998 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2999 ia64_asm_output_label.
3001 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3002 copy of gp while the real gp register contains garbage.
3004 2001-08-21 Zack Weinberg <zackw@panix.com>
3006 * expmed.c (mode_for_extraction): New function.
3007 (store_bit_field, extract_bit_field): Use it.
3008 * expr.h: Prototype it and provide an enum for its first argument.
3010 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3011 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3012 and digging through the insn_data tables.
3013 * Makefile.in: Update dependencies.
3015 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3017 * cppfiles.c (stack_include_file): line-map.c now handles include
3019 (handle_missing_handler): Similarly.
3020 (_cpp_execute_include): Similarly.
3021 (_cpp_pop_file_buffer): Similarly.
3022 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3023 buffer_stack_depth and include_depth.
3024 * cpplib.c (do_include_common): line-map.c now handles include depth.
3025 (cpp_push_buffer): Similarly.
3026 (_cpp_pop_buffer): Similarly.
3027 * cppmacro.c (builtin_macro): Update.
3028 * line-map.c (init_line_maps): Set depth.
3029 (add_line_map): Increment "used" earlier. Update and use the
3031 (trace_include): Use the include depth.
3032 * line-map.h (struct line_maps): New member depth.
3034 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3036 * cppfiles.c (stack_include_file): Don't handle -H here.
3037 * cppinit.c (cpp_start_read): Set include tracing after
3038 cpp_post_options and after stacking the main file.
3039 * line-map.c (trace_include): New.
3040 (init_line_maps, add_line_map): Update.
3041 * line-map.h (struct line_maps): New member trace_includes.
3043 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3045 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3046 * cppfiles.c (stack_include_file): Only stack a file if there
3047 is something to do. Return a boolean indicating whether a
3048 buffer was stacked or not.
3049 (_cpp_execute_include): Similarly.
3050 (_cpp_read_file): Similarly.
3051 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3053 2001-08-21 Sam Steingold <sds@gnu.org>
3055 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3056 (RECACHE): keep obufp_before_macroname up to date
3058 2001-08-21 Zack Weinberg <zackw@panix.com>
3060 * stmt.c: Don't include insn-codes.h.
3061 (expand_end_case): Machine specific logic moved to expr.c.
3062 No need to worry about __builtin_classify_type.
3063 (check_for_full_enumeration_handling, emit_case_nodes):
3066 * builtins.o (expand_builtin_classify_type): Split up so code
3067 can be shared with fold_builtin_classify_type.
3068 (type_to_class, fold_builtin_classify_type): New functions.
3069 (fold_builtins): Handle __builtin_classify_type.
3071 * expr.c (do_tablejump): Now static.
3072 (case_values_threshold, try_casesi, try_tablejump): New;
3073 code mostly from stmt.c (expand_end_case).
3074 (expr.h): Update prototypes.
3076 * Makefile.in (stmt.o): Update dependencies.
3078 2001-08-21 Will Cohen <wcohen@redhat.com>
3080 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3081 declaration of variable i.
3082 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3083 declaration of variable i.
3085 2001-08-21 Richard Henderson <rth@redhat.com>
3087 * crtstuff.c: Fix thinko last change. Move list tails to start
3088 of CRT_END section. Tidy ifdefs.
3089 (__EH_FRAME_BEGIN__): Always static for ELF.
3090 (__do_global_ctors_1): Rename from __frame_dummy.
3091 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3092 name change; don't hide __EH_FRAME_BEGIN__.
3094 2001-08-21 Richard Henderson <rth@redhat.com>
3096 * gdbinit.in: Move break on exit after break on fancy_abort.
3098 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3101 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3103 * cpphash.h (_cpp_push_next_buffer): New.
3104 * cppinit.c (do_includes): Remove.
3105 (push_include, free_chain, _cpp_push_next_buffer): New.
3106 (cpp_start_read): Use them to rework command line option handling.
3107 (cpp_handle_option): Combine handling of -include and -imacros.
3108 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3109 appropriate. Always insert missing \n at EOF.
3110 * cpplib.c (start_directive): Get the directive position right.
3111 * cppmain.c (cb_file_change): Always print the first line, unless
3114 2001-08-20 Andreas Jaeger <aj@suse.de>
3116 * profile.c (compute_branch_probabilities): Remove extra new-line
3118 * flow.c (verify_flow_info): Likewise.
3120 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3122 * basic-block.h (basic_block): Add new field 'flags'.
3123 (BB_REACHABLE): Define.
3124 (expunge_block): Declare.
3125 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3126 (EXIT_BLOCK_PTR): Ditto.
3127 (expunge_block): Remove static declaration.
3128 (cleanup_cfg): Clear bb->aux on every basic block.
3129 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3130 computing reachability.
3131 (delete_unreachable_blocks): Delete block b if b->flags has
3134 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3136 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3138 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 * sparc.c (sparc_variable_issue): Fix typo in last change.
3142 2001-08-20 Richard Henderson <rth@redhat.com>
3144 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3146 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3148 * pa.h (RETURN_IN_MEMORY): Improve comment.
3150 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3152 * doc/invoke.texi (Profiling options): Clarify the interactions
3153 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3155 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3157 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3160 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3162 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3165 2001-08-20 Richard Henderson <rth@redhat.com>
3167 * final.c (end_final): Fix typo last change.
3169 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3171 * cppinit.c (init_standard_includes): The returned buffer
3172 is already malloc-ed.
3173 * gcc.c (add_prefix): Similarly.
3174 * prefix.c (translate_name): Update to support clear buffer
3176 (update_path): Similarly. Be sure to free any newly allocated
3177 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3179 * prefix.h (update_path): Update prototype and document.
3180 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3181 up and update to new buffer ownership rules.
3182 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3184 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3186 * final.c (compute_alignments): New function.
3187 (init_insn_lengths): Do not care label_align.
3188 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3189 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3190 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3191 (shorted_branches): Realloc label_align array; do
3192 not call init_insn_lengths; Do not care about loop alignments.
3193 * output.h (compute_alignments): Declare.
3194 * toplev.c (rest_of_compilation): Call compute_alignments.
3195 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3197 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3198 change visited to tovisit.
3199 (propagate_freq): Use faster traversing algorithm.
3200 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3201 to tovisit; reverse meaning.
3203 * predict.c (struct block_info_def): Remove nvisited.
3204 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3205 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3207 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3209 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3210 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3211 (TARGET_FUSED_MADD): New.
3212 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3213 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3214 the multiply-add instructions.
3216 2001-08-19 Richard Henderson <rth@redhat.com>
3218 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3219 is aligned to pointer size.
3221 2001-08-19 Richard Henderson <rth@redhat.com>
3223 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3224 display markers during final schedule.
3226 2001-08-19 Richard Henderson <rth@redhat.com>
3228 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3230 2001-08-19 Richard Henderson <rth@redhat.com>
3232 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3234 (ASM_NAME_TO_STRING): Remove.
3235 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3236 in the same string. Remove support for expressions.
3238 2001-08-19 Richard Henderson <rth@redhat.com>
3240 * config/i386/i386.md (tablejump): Make an expander; handle
3241 pic relative addressing here.
3242 (tablejump_1): Rename from tablejump_pic.
3245 2001-08-19 Richard Henderson <rth@redhat.com>
3247 * regclass.c (fix_register): Fix typo.
3249 2001-08-18 Richard Henderson <rth@redhat.com>
3251 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3252 (struct _Unwind_Context): Expand br_loc to hold it.
3253 (uw_frame_state_for): Handle leaf functions better.
3254 (uw_update_reg_address): Update for br_loc change.
3256 2001-08-18 Richard Henderson <rth@redhat.com>
3258 * crtstuff.c: Move list heads before code that uses them.
3259 (__JCR_LIST__): Remove initial null.
3260 (frame_dummy, __frame_dummy): Do java registration here ...
3261 (__do_global_ctors_aux): ... not here.
3263 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3264 (__do_global_dtors_aux): Update to match.
3265 (__JCR_LIST__, __do_jv_register_classes): New.
3267 * config/ia64/crtend.asm (__JCR_END__): New.
3268 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3269 instead of an indirect LTOFF22 reloc.
3271 2001-08-18 Richard Henderson <rth@redhat.com>
3273 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3274 * regclass.c (init_reg_sets_1): Fix typo.
3275 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3276 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3277 (ia64_compute_frame_size): Make ar.unat live when in use.
3278 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3279 for ar.pfs; remove ar.unat handling.
3280 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3282 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3283 * config/ia64/ia64-protos.h: Update decls.
3284 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3285 (sibcall_pic): Likewise.
3287 2001-08-18 Richard Henderson <rth@redhat.com>
3289 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3290 pred_rel_mutex when searching for insn_group_barrier.
3291 * config/ia64/ia64.md (cycle_display): Combine the expander
3294 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3295 bit before asm as needed.
3297 2001-08-18 Richard Henderson <rth@redhat.com>
3299 * timevar.def (TV_MACH_DEP): New.
3300 * toplev.c (rest_of_compilation): Use it.
3301 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3303 2001-08-18 Zack Weinberg <zackw@panix.com>
3305 * unwind-dw2.c (execute_stack_op): Add default aborts to
3306 the inner switches to prevent warnings.
3308 2001-08-18 Richard Henderson <rth@redhat.com>
3310 * timevar.h (struct timevar_time_def): Change element type to float.
3311 (ticks_to_msec, clocks_to_msec): Likewise.
3312 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3313 (get_time): Likewise.
3314 (timevar_print): Adjust zero check and printing to match.
3316 2001-08-18 Zack Weinberg <zackw@panix.com>
3318 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3319 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3320 Eliminate overfull or underfull hboxes.
3322 2001-08-18 Zack Weinberg <zackw@panix.com>
3324 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3326 2001-08-18 Zack Weinberg <zackw@panix.com>
3328 * haifa-sched.c: Convert to target hooks. Macros replaced
3329 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3330 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3331 MD_SCHED_FINISH, and HAVE_cycle_display.
3332 * target-def.h (TARGET_SCHED_ADJUST_COST,
3333 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3334 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3335 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3336 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3337 New hook #defines to be overridden.
3338 (TARGET_SCHED): Bring them all together.
3339 (TARGET_INITIALIZER): Update.
3340 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3341 instead of 'struct rtx_def *' throughout.
3342 (struct sched): New set of hooks for the scheduler.
3343 * Makefile.in (haifa-sched.o): Depend on target.h.
3344 * doc/tm.texi: Document the new scheduler hooks, together in
3345 their own section, instead of scattered around.
3346 Fix a bunch of underfull/overfull hboxes.
3348 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3349 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3350 sparc.h: Don't define any of the old scheduler macros.
3352 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3353 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3354 sparc.c: Create hook functions from code extracted from
3355 corresponding target header, or make existing hooks static, as
3356 appropriate. Set the appropriate entries in targetm.
3358 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3359 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3360 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3361 Remove prototypes for functions which are now static.
3363 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3364 related gunk; the Haifa scheduler is now the only choice.
3366 2001-08-18 Zack Weinberg <zackw@panix.com>
3368 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3369 * genopinit.c: Put floating point divide insns in sdiv_optab.
3370 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3371 * config/gofast.h, config/c4x/c4x.h,
3372 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3373 config/pa/long_double.h, config/rs6000/sysv4.h,
3374 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3375 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3376 (init_optabs): Use init_optabv for overflow-trapping optabs.
3377 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3378 cmp_optab RTX codes so have_insn_for can find them.
3380 * optabs.c (expand_simple_binop, expand_simple_unop,
3381 have_insn_for, gen_sub3_insn): New interfaces.
3382 * expr.h: Prototype new functions.
3383 (enum optab_methods): Move here from optabs.h.
3385 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3386 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3387 Use new functions instead of working directly with optabs.
3388 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3389 unroll.c: Don't include optabs.h.
3390 * caller-save.c, combine.c, function.c, stmt.c: Just include
3391 insn-codes.h, not optabs.h.
3392 * Makefile.in: Update dependencies.
3394 * combine.c (make_compound_operation, simplify_comparison):
3395 Fix typos testing for this or that instruction.
3397 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3399 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3400 generating libgcc.a.
3402 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3404 * except.c (TYPE_HASH): Delete.
3406 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3409 * tree.c (TYPE_HASH): Delete.
3411 * tree.h (TYPE_HASH): Define.
3413 2001-08-18 Graham Stott <grahams@redhat.com>
3415 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3417 (adddi3_internal_2+2): Likewise.
3418 (eh_set_lr_di+1): Likewise.
3420 2001-08-17 Richard Henderson <rth@redhat.com>
3422 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3423 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3424 * dwarf2asm.c: ... here.
3425 * dwarfout.c: Remove them.
3427 * varasm.c (assemble_integer): Add align parameter.
3428 (assemble_real, output_constant, output_constructor): Likewise.
3429 * output.h: Update decls.
3430 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3431 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3432 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3433 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3434 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3437 * final.c (end_final): Abort profile block generation if we
3438 havn't layed it out properly.
3439 * output.h (assemble_eh_integer): Remove stale decl.
3440 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3442 (assemble_integer): Handle unaligned data.
3443 (assemble_real): Abort on unaligned data.
3444 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3446 (default_dtor_section_asm_out_destructor): Use assemble_align.
3447 (default_named_section_asm_out_constructor): Likewise.
3448 (default_ctor_section_asm_out_constructor): Likewise.
3449 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3450 (machopic_asm_out_destructor): Likewise.
3451 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3452 (nextstep_asm_out_destructor): Likewise.
3453 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3454 (vms_asm_out_destructor): Likewise.
3456 2001-08-17 Richard Henderson <rth@redhat.com>
3458 * config/mips/iris6.h (TARGET_IRIX6): New.
3459 (current_section_name, current_section_flags): New.
3460 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3461 (MAX_OFILE_ALIGNMENT): New.
3462 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3463 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3464 (copy_file_data): Split out from
3465 (mips_asm_file_end): ... here.
3466 (mips_asm_file_start): Remove extra .section directive. Use
3467 tmpfile instead of mips_make_temp_file.
3468 (mips_unique_section): Use const char * as needed for warnings.
3469 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3470 re-add align parameter.
3471 (iris6_asm_named_section): New.
3472 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3473 (iris6_asm_output_align, iris6_section_align_1): New.
3474 (iris6_asm_file_start, iris6_asm_file_end): New.
3475 * config/mips/mips-protos.h: Update decls.
3477 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3479 * doc/install.texi (Install GCC): Add links to build status pages.
3481 (Final install): Ditto; request updates for specific info
3483 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3485 * cpperror.c (print_location): Don't take a file name; use the
3487 (_cpp_begin_message): Similarly.
3488 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3489 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3490 (cpp_pedwarn_with_file_and_line): Remove.
3491 * cppfiles.c (stack_include_file): Update; set filename to stdin
3492 here when appropriate.
3493 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3494 (_cpp_begin_message): Don't take a file name.
3495 * cppinit.c: Add comment.
3496 * cpplex.c: Fix end-of-directive indicator.
3497 * cpplib.c: Don't include intl.h.
3498 (run_directive, do_diagnostic): Update.
3499 (do_line): Update to not use nominal_fname.
3500 (cpp_push_buffer): Don't take a filename.
3501 * cpplib.h (struct ht): Remove.
3502 (cpp_push_buffer): Don't take a filename.
3503 (cpp_pedwarn_with_file_and_line): Remove.
3504 * cppmacro.c (struct cpp_macro): Remove file.
3505 (builtin_macro): Update.
3506 (_cpp_create_definition): Update.
3507 * cppmain.c: Correct comment.
3508 * fix-header.c (read_scan_file): Update.
3510 2001-08-17 Kazu Hirata <kazu@hxi.com>
3512 * sbitmap.c: Fix comment formatting.
3513 * sched-deps.c: Likewise.
3514 * sibcall.c: Likewise.
3515 * simplify-rtx.c: Likewise.
3517 * ssa-ccp.c: Likewise.
3518 * stor-layout.c: Likewise.
3519 * timevar.c: Likewise.
3520 * toplev.c: Likewise.
3521 * unwind-dw2.c: Likewise.
3522 * unwind-dw2-fde.c: Likewise.
3523 * varasm.c: Likewise.
3525 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3527 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3528 or larger than an integer in memory.
3530 2001-08-17 Zack Weinberg <zackw@panix.com>
3532 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3533 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3534 * rtl.h: Don't forward-declare union tree_node here. Don't
3535 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3536 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3537 and tree respectively.
3538 * tree.h: Don't forward-declare struct rtx_def here. Don't
3539 typedef tree here. Change all uses of struct rtx_def *,
3540 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3541 and tree respectively.
3543 2001-08-17 Richard Henderson <rth@redhat.com>
3545 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3546 config/mips/openbsd.h: Fix typos last change.
3548 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3550 * doc/invoke.texi (Optimize Options): The default for
3551 -finline-limit is 600.
3553 2001-08-17 Richard Henderson <rth@redhat.com>
3555 * varasm.c (text_section): Allow TEXT_SECTION to override the
3556 printing of TEXT_SECTION_ASM_OP.
3557 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3558 (DATA_SECTION, BSS_SECTION): Remove.
3559 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3560 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3561 Rename from s/_NAME//.
3562 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3563 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3564 (TEXT_SECTION): ... here. New.
3565 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3566 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3567 * config/mips/openbsd.h: Likewise.
3568 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3569 (mips_asm_file_end): Likewise test.
3570 (mips_output_function_epilogue): Likewise. Switch back to data
3571 section after emitting the function.
3573 * doc/tm.texi (Sections): Document TEXT_SECTION.
3575 2001-08-17 Richard Henderson <rth@redhat.com>
3577 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3578 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3580 2001-08-17 Richard Henderson <rth@redhat.com>
3582 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3583 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3584 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3585 Add aligned attribute.
3587 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3589 * config/sh/sh.md: Add modes to unspecs in first insn to match
3590 those in the second.
3592 * Makefile.in: Fix collect2 copy for Cygwin.
3594 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3596 Install the proper patch.
3597 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3598 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3599 (expand_function_start): Likewise.
3600 * stmt.c (expand_decl): Likewise.
3601 * varasm.c (make_decl_rtx): Likewise.
3603 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3605 * final.c: Undo my previous accidental checkin.
3606 * output.h: Likewise.
3607 * tm.texi: Likewise.
3609 2001-08-16 Richard Henderson <rth@redhat.com>
3611 * varasm.c (named_section_flags): Remove align parameter.
3612 * varasm.c, dwarf2out.c: Update all callers.
3613 * output.h: Update prototypes.
3615 * target.h (target.asm_out.named_section): Remove align parameter.
3616 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3617 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3618 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3619 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3620 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3622 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3623 (get_named_section_flags, set_named_section_flags): New.
3624 (named_section_flags): Use them.
3625 (named_section): Do decl vs section flags check here...
3626 (default_section_type_flags): ... not here.
3627 (init_varasm_once): Create in_named_htab.
3628 (resolve_unique_section): Mark reloc unused.
3630 2001-08-16 Richard Henderson <rth@redhat.com>
3632 * varasm.c (force_const_mem): Keep pool alignment in bits.
3633 (output_constant_pool): Use assemble_align.
3635 2001-08-16 Zack Weinberg <zackw@panix.com>
3637 * doc/tm.texi: Remove extra @table command.
3639 2001-08-16 Zack Weinberg <zackw@panix.com>
3641 * final.c (shorten_branches): Clear the end of the label_align
3642 array only if we made it larger. Break up messy expressions
3645 * diagnostic.c (internal_error): Check for error recursion
3646 before doing ICE suppression.
3648 * timevar.c: Timing variables now count in milliseconds.
3649 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3650 (get_time): Not here.
3651 (timevar_print): Don't print any timer whose user, cpu, and
3652 wall times are all zero as displayed.
3653 * timevar.h: Update comment aboout units. Make timevar
3656 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3658 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3659 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3660 (expand_function_start): Likewise.
3661 * stmt.c (expand_decl): Likewise.
3662 * varasm.c (make_decl_rtx): Likewise.
3664 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3666 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3667 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3669 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3671 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3674 2001-08-16 Andreas Jaeger <aj@suse.de>
3676 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3679 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3681 * rtl.h (only_sets_cc0_p): New prototype.
3682 * jump.c (sets_cc0_p): Handle INSN.
3683 (only_sets_cc0_p): New function.
3684 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3685 (tidy_fallthru_edge): Likewise.
3686 * integrate.c (copy_insn_list): Likewise.
3687 * unroll.c (unroll_loop): Likewise.
3688 (copy_loop_body): Likewise.
3690 2001-08-15 Jason Eckhardt <jle@redhat.com>
3692 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3694 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3696 * predict.c (struct block_info_def): Remove nvisited.
3697 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3698 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3700 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3701 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3704 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3706 * predict.def: Update hitrates.
3708 2001-08-15 Richard Henderson <rth@redhat.com>
3710 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3712 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3714 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3715 note from its associated jump.
3717 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3719 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3720 also on 64-bit s390x targets.
3722 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3724 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3726 (arm_expand_prologue): Handled nested functions which take a
3727 variable argument list.
3728 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3729 macro with an invocation of
3730 arm_compute_initial_elimination_offset.
3731 * config/arm/arm-protos.h: Prototype
3732 arm_compute_initial_elimination_offset.
3734 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3736 * doc/install.texi (Specific, avr): Fix markup.
3737 (Specific, c4x): Ditto.
3739 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3741 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3743 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3745 * Makefile.in (OBJS): Add rtl-error.o
3746 (rtl-error.o): New rule.
3747 (diagnostic.o): Adjust dependency.
3748 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3749 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3750 warning_for_asm): Move to...
3751 rtl-error.c: ...here. New file.
3753 2001-08-14 Richard Henderson <rth@redhat.com>
3755 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3756 if USING_SJLJ_EXCEPTIONS.
3758 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3760 * tlink.c (scan_linker_output): Check string for unsatisfied in
3761 addition to undefined and unresolved.
3763 2001-08-14 Graham Stott <grahams@redhat.com>
3765 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3766 EH_FRAME_SECTION_NAME.
3768 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3770 * genattrtab.c (simplify_test_exp_in_temp): New function.
3771 (simplify_test_exp): Avoid explicit use of temporary obstack.
3772 (simplify_cond, insert_right_side, evaluate_eq_attr,
3773 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3774 Use simplify_test_exp_in_temp.
3775 (optimize_attrs): Iterate until expression stabilizes.
3777 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3779 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3780 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3782 2001-08-13 Richard Henderson <rth@redhat.com>
3784 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3785 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3786 * config/arm/conix-elf.h: Likewise.
3788 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3790 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3792 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3794 * gcse.c (hash_scan_set): Expressions that are set as part of
3795 jump instructions are not available.
3797 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3799 * config/s390/s390.c (print_operand, s390_function_prologue,
3800 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3802 2001-08-13 Richard Henderson <rth@redhat.com>
3804 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3805 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3806 * doc/tm.texi (Exception Region Output): Document it.
3808 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3810 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3811 DWARF2 instead of stabs by default.
3813 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3815 * config/rs6000/rs6000.c: Include optabs.h.
3817 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3819 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3820 save/restore routines.
3821 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3823 2001-08-13 Andreas Jaeger <aj@suse.de>
3825 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3826 the english is correct.
3828 2001-08-13 Zack Weinberg <zackw@panix.com>
3830 * expr.h: Split out optab- and libfunc-related code to...
3831 * optabs.h, libfuncs.h: ... these new headers.
3833 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3835 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3837 * mkconfig.sh: Don't include insn-codes.h from config.h.
3839 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3840 enum insn_code is available. Move reload_in_optab and
3841 reload_out_optab array declarations to optabs.h.
3842 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3843 there, prototype in expr.h.
3844 * gencodes.c: Cleanup: zap global variables, don't use
3845 printf where puts will do, don't bother defining MAX_INSN_CODE
3846 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3848 * genemit.c, genopinit.c: Include optabs.h in generated file.
3849 * genoutput.c: Include insn-codes.h in generated file.
3850 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3851 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3852 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3853 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3854 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3855 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3857 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3858 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3859 config/m88k/m88k.c, config/sparc/sparc.c:
3861 * reload.c: Include expr.h and optabs.h before reload.h.
3862 * config/alpha/alpha.c: Include tree.h before reload.h.
3863 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3864 and reload.h in that order.
3865 * config/sparc/sparc.c: Include debug.h.
3866 * recog.c: Include insn-codes.h.
3868 2001-08-13 Andreas Jaeger <aj@suse.de>
3870 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3873 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3875 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3876 * gcc.c (init_spec): Fix typo in comment.
3877 * varasm.c (data_section): Fix typo in comment.
3879 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3881 * predict.c (dump_prediction): New argument "USED".
3882 (combine_predictions_for_insn): Determine the used heuristics,
3883 output the case no heuristic applied.
3884 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3886 2001-08-13 Andreas Jaeger <aj@suse.de>
3888 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3891 2001-08-13 Kazu Hirata <kazu@hxi.com>
3893 * jump.c: Fix formatting.
3895 2001-08-13 Kazu Hirata <kazu@hxi.com>
3897 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3900 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3902 * loop.c (check_dbra_loop): Use condjump_label to compute
3905 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3906 to better document the files they're in.
3908 2001-08-12 Zack Weinberg <zackw@panix.com>
3910 * recog.h (struct insn_operand_data): Shrink 'mode' field
3913 2001-08-12 Kazu Hirata <kazu@hxi.com>
3915 * gcc.c: Fix comment formatting.
3916 * gccspec.c: Likewise.
3919 * genemit.c: Likewise.
3920 * gengenrtl.c: Likewise.
3921 * genrecog.c: Likewise.
3922 * gensupport.c: Likewise.
3923 * ggc-page.c: Likewise.
3924 * global.c: Likewise.
3925 * graph.c: Likewise.
3926 * ifcvt.c: Likewise.
3927 * integrate.c: Likewise.
3929 * libgcc2.c: Likewise.
3931 * mbchar.c: Likewise.
3932 * optabs.c: Likewise.
3933 * predict.c: Likewise.
3934 * prefix.c: Likewise.
3935 * profile.c: Likewise.
3936 * protoize.c: Likewise.
3938 * recog.c: Likewise.
3939 * regclass.c: Likewise.
3940 * regmove.c: Likewise.
3941 * reg-stack.c: Likewise.
3942 * reload1.c: Likewise.
3943 * resource.c: Likewise.
3944 * rtlanal.c: Likewise.
3947 2001-08-12 Kazu Hirata <kazu@hxi.com>
3949 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3950 a tree representing a constant is passed to the macro.
3952 2001-08-12 Richard Henderson <rth@redhat.com>
3954 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3955 (rs6000_elf_asm_out_destructor): New.
3956 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3957 (DTORS_SECTION_ASM_OP): Remove.
3958 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3959 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3961 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3964 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3965 * gcc.c (set_collect_gcc_options): New function, split out from
3967 Ignore elided switches.
3968 (do_spec_1): Invoke before executing command.
3969 (set_input): Export.
3970 Move declaration ...
3971 * gcc.h (set_input): ... here.
3972 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3975 2001-08-12 Richard Henderson <rth@redhat.com>
3977 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3978 thinko wrt TARGET_RELOCATABLE.
3980 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3982 * fix-header.c (cb_file_change): Update prototype.
3984 2001-08-11 Zack Weinberg <zackw@panix.com>
3986 * toplev.c (set_float_handler): Make static.
3987 * toplev.h: Don't prototype set_float_handler.
3989 * simplify-rtx.c: Don't include setjmp.h.
3990 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3992 (simplify_unary_operation, simplify_binary_operation): Use them,
3993 via do_float_handler.
3995 * fold-const.c: Don't include setjmp.h.
3996 (exact_real_inverse_1): New function.
3997 (exact_real_inverse): Use it, via do_float_handler.
3999 * varasm.c: Don't include setjmp.h.
4000 (assemble_real_1): New function.
4001 (assemble_real): Use it, via do_float_handler.
4002 Call internal_error if we get a trap here.
4004 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4005 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4007 2001-08-11 Zack Weinberg <zackw@panix.com>
4009 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4010 STACK_BOUNDARY if not already defined.
4012 * calls.c, function.c, reload1.c, explow.c: Don't default
4013 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4014 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4016 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4019 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4020 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4022 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4024 * cppmacro.c (enter_macro_context): Push macro expansions even
4027 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4029 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4030 (rs6000_elf_section_type_flags): Actually return a value.
4032 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4034 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4035 Clean up code: add missing comments and prototypes, fix warnings,
4036 remove obsolete code, fix spacing to conform to coding style.
4038 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4040 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4041 and TARGET_ASM_CLOSE_PAREN.
4042 (regclass_map): CC register belongs to class NO_REGS.
4043 (legitimize_pic_address): Don't generate unnecessary moves
4044 (to avoid confusing loop optimization).
4045 (check_and_change_labels): Replace jump_long by indirect_jump.
4046 (s390_final_chunkify): Don't start a new literal pool on section
4047 switch in 64-bit code.
4048 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4050 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4051 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4052 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4054 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4055 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4056 (CONST_COSTS): Fixed incorrect costs.
4058 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4059 Use emit_jump instead of emit_jump_insn (gen_jump).
4060 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4061 (to avoid confusing flow analysis).
4062 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4063 (casesi, casesi_jump): New.
4064 (jump_long): Removed. Functionality merged into indirect_jump.
4065 (indirect_jump): Accept address_operand, not just register_operand.
4066 (cjump_long, icjump_long): Use same logic as indirect_jump.
4067 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4068 Fixed broken setjmp/longjmp handling.
4069 (do_builtin_setjmp_setup): Removed.
4071 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4072 broken GNU as versions that don't accept .quad with large
4073 negative values. Use hexadecimal output instead.
4074 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4075 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4076 FUNCTION_EPILOGUE): Removed. Now in targetm.
4078 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4080 * config/s390/fixdfdi.h: Add missing copyright statement.
4081 Fix type conflicts on 64-bit. Add missing SFmode routines.
4083 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4086 2001-08-11 Richard Henderson <rth@redhat.com>
4088 * rtl.h (REG_EH_RETHROW): Remove.
4089 * rtl.c (reg_note_name): Update.
4090 * combine.c (distribute_notes): Don't check for it.
4092 2001-08-11 Richard Henderson <rth@redhat.com>
4094 * combine.c (distribute_notes): Place REG_SETJMP.
4096 2001-08-11 Richard Henderson <rth@redhat.com>
4098 * doc/extend.texi (Arrays and pointers implementation): Discourage
4099 relying on sign-extension of pointers.
4101 2001-08-11 H.J. Lu <hjl@gnu.org>
4103 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4105 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4106 RDATA_SECTION_ASM_OP.
4108 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4110 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4111 main manual to work both for info and HTML versions.
4113 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4114 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4116 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4117 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4118 (struct cpp_pool): New member first.
4119 * cppinit.c (append_include_chain): Plug memory leaks.
4120 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4121 Allocate pragma structures from the (aligned) macro pool to
4122 avoid leaking memory.
4123 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4124 so we don't leak memory.
4125 * hashtable.c (ht_destroy): New.
4126 * hashtable.h (ht_destroy): New.
4128 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4129 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4131 * c-lex.c (map): Make const.
4132 (cb_file_change): Update for callback passing a line map.
4133 Don't assume we have a previous map. Remove sanity check
4134 about popping too many files.
4135 * cpperror.c (print_location): Make map const.
4136 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4137 (cpp_make_system_header): Similarly.
4138 (search_from): Similarly.
4139 (_cpp_execute_include): Don't remember where we came from.
4140 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4141 (struct cpp_reader): Make map const.
4142 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4143 * cpplib.c (do_line): Update; line maps now hold sysp.
4144 (cpp_push_buffer): Similarly.
4145 (_cpp_do_file_change): Similarly; callback with map instead.
4146 (cpp_get_line_maps): Constify return value.
4147 (_cpp_pop_buffer): Update.
4148 * cpplib.h (struct cpp_file_change): Remove.
4149 (struct cpp_callbacks): Update.
4150 (cpp_get_line_maps): Constify return value.
4151 * cppmacro.c (_cpp_create_definition): Update.
4152 * cppmain.c (struct printer): Constify map.
4153 (maybe_print_line): Similarly.
4154 (print_line): Similarly. Deduce flags 1 and 2 here.
4155 (cb_file_change): Update.
4156 * line-map.c (free_line_maps): Warn regardless.
4157 (add_line_map): Return pointer to const. When passed NULL to_file
4158 with LC_LEAVE, use the obvious values for the return point so the
4159 caller doesn't have to figure them out.
4160 (lookup_line): Return pointer to const.
4161 (print_containing_files): Take pointer to const.
4162 * line-map.h (struct line_map): New members reason, sysp.
4163 (add_line_map): Return pointer to const.
4164 (lookup_line): Similarly.
4165 (print_containing_files): Take pointer to const.
4167 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4168 Richard Henderson <rth@redhat.com>
4170 * regmove.c (regmove_optimize): Avoid setting a register twice in
4173 2001-08-10 Richard Henderson <rth@redhat.com>
4175 * doc/extend.texi (Arrays and pointers implementation): Document
4176 behavior of pointer/integer conversion.
4178 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4180 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4182 2001-08-10 Richard Henderson <rth@redhat.com>
4184 * doc/extend.texi (C Implementation): New chapter.
4185 * doc/gcc.texi (Top): Link it in.
4187 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4189 * doc/install.texi (Specific): Fix CVS merge botch.
4191 2001-08-10 Richard Henderson <rth@redhat.com>
4193 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4194 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4196 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4198 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4199 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4200 this macro is now required.
4202 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4203 loop.c (find_and_verify_loops), reload.c (reload): Check
4204 for rtx code of CALL_INSN, not CALL, when deciding if we
4205 need to check for REG_SETJMP note.
4207 * gcse.c (compute_hash_table, compute_store_table): Update
4208 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4211 * config/avr/avr.c: Fix typo.
4212 * config/convex/convex.c (expand_movstr): Use adjust_address.
4213 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4215 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4216 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4218 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4219 Do define STACK_BOUNDARY.
4220 * config/i370/i370.c: Include expr.h.
4221 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4222 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4223 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4224 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4225 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4226 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4227 * config/romp/romp.c: Include expr.h after tree.h.
4229 (output_fpop): Use xmalloc, not oballoc.
4230 * config/we32k/we32k.c: Include expr.h.
4232 2001-08-10 Kazu Hirata <kazu@hxi.com>
4234 * config/h8300/h8300.h: Fix formatting.
4236 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4238 * c-common.h (RETURN_NULLIFIED_P): Lose.
4239 * c-semantics.c (genrtl_return_stmt): Don't check it.
4241 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4243 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4244 (mips_annotate_frame_insn): New function.
4245 (mips_emit_frame_related_store): New function.
4246 (save_restore_insns): Don't mark instructions that set up the base
4247 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4248 the store instructions instead.
4249 (mips_expand_prologue): If the stack size is moved into a temporary
4250 register, do not mark that move as frame-related. Add a
4251 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4253 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4255 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4256 stack slot as unchanging if current_function_calls_eh_return.
4258 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4260 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4261 access the second half of the TFmode scratch operand.
4263 2001-08-10 Anthony Green <green@redhat.com>
4265 * java/class.c (emit_register_classes): Conditionalize code on
4268 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4270 * doc/install.texi (Specific, avr): Fix cross-reference to the
4271 main manual to work both for info and HTML versions.
4273 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4275 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4276 and "use_goto" argument.
4277 (expand_null_return, expand_value_return): Update all callers.
4278 * function.c (expand_function_end): Remove code to generate simple
4280 * config/vax/vax.md (epilogue): New expander for function return.
4281 * doc/md.texi (epilogue): Remove "if defined".
4283 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4285 * Makefile.in: Partially revert my previous change:
4286 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4287 of the hashtab.o and safe-ctype.o rules.
4289 2001-08-09 Richard Henderson <rth@redhat.com>
4291 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4292 (USE_COLLECT2): Remove duplicate definition.
4293 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4294 (use_collect2): Remove dead code.
4295 * configure.in (use_collect2): Remove will_use_collect2 and
4296 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4297 * configure: Rebuild.
4299 * target.h (targetm.asm_out.constructor): New.
4300 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4301 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4302 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4303 * varasm.c (in_ctors, in_dtors): New.
4304 (assemble_constructor, assemble_destructor): Remove.
4305 (default_stabs_asm_out_destructor): New.
4306 (default_named_section_asm_out_destructor): New.
4307 (dtors_section, default_dtor_section_asm_out_destructor): New.
4308 (default_stabs_asm_out_constructor): New.
4309 (default_named_section_asm_out_constructor): New.
4310 (ctors_section, default_ctor_section_asm_out_constructor): New.
4311 * output.h: Update declarations.
4312 * c-decl.c (c_expand_body): Use target hooks instead of
4313 assemble_constructor and assemble_destructor.
4314 * profile.c (output_func_start_profiler): Likewise.
4315 * objc/objc-act.c (finish_objc): Likewise.
4316 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4317 for the constructor.
4318 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4320 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4321 (DTORS_SECTION_ASM_OP): Likewise.
4322 (__CTOR_LIST__): Use attribute section when possible.
4323 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4325 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4326 ASM_OUTPUT_CONSTRUCTOR.
4328 * config/darwin.c (machopic_asm_out_constructor): New.
4329 (machopic_asm_out_destructor): New.
4330 * config/darwin-protos.h: Update declarations.
4331 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4332 (ASM_OUTPUT_DESTRUCTOR): Remove.
4333 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4334 * config/nextstep.c (nextstep_asm_out_constructor): New.
4335 (nextstep_asm_out_destructor): New.
4336 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4337 (ASM_OUTPUT_DESTRUCTOR): Remove.
4338 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4339 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4340 ASM_OUTPUT_*STRUCTOR.
4341 * config/i386/aix386ng.h: Likewise.
4343 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4344 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4345 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4346 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4347 * config/lynx.h: Likewise.
4348 * config/netware.h: Likewise.
4349 * config/psos.h: Likewise.
4350 * config/alpha/alpha-interix.h: Likewise.
4351 * config/alpha/elf.h: Likewise.
4352 * config/arc/arc.h: Likewise.
4353 * config/arm/aof.h: Likewise.
4354 * config/arm/coff.h: Likewise.
4355 * config/arm/elf.h: Likewise.
4356 * config/c4x/c4x.h: Likewise.
4357 * config/h8300/h8300.h: Likewise.
4358 * config/i386/cygwin.h: Likewise.
4359 * config/i386/djgpp.h: Likewise.
4360 * config/i386/i386-coff.h: Likewise.
4361 * config/i386/i386-interix.h: Likewise.
4362 * config/i386/sco5.h: Likewise.
4363 * config/i386/vsta.h: Likewise.
4364 * config/i386/win32.h: Likewise.
4365 * config/i960/i960-coff.h: Likewise.
4366 * config/ia64/sysv4.h: Likewise.
4367 * config/m68hc11/m68hc11.h: Likewise.
4368 * config/m68k/coff.h: Likewise.
4369 * config/m68k/mot3300.h: Likewise.
4370 * config/m88k/m88k.h: Likewise.
4371 * config/mcore/mcore-pe.h: Likewise.
4372 * config/mcore/mcore.h: Likewise.
4373 * config/mips/elf.h: Likewise.
4374 * config/mips/elf64.h: Likewise.
4375 * config/mips/iris6.h: Likewise.
4376 * config/pa/pa64-hpux.h: Likewise.
4377 * config/rs6000/sysv4.h: Likewise.
4378 * config/sh/sh.h: Likewise.
4379 * config/sparc/litecoff.h: Likewise.
4381 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4382 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4383 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4384 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4385 (ASM_OUTPUT_DESTRUCTOR): Remove.
4386 * config/a29k/a29k.c: Move include of tree.h.
4387 * config/a29k/udi.h: Delete file.
4388 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4389 (vms_asm_out_destructor): New.
4390 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4391 (EXTRA_SECTION_FUNCTIONS): Likewise.
4392 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4393 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4394 * config/c4x/c4x.c: Move include of tree.h.
4395 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4396 (clix_asm_out_destructor): New.
4397 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4398 (ASM_OUTPUT_DESTRUCTOR): Remove.
4399 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4400 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4401 (TARGET_ASM_CONSTRUCTOR): New.
4402 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4403 (sco_asm_out_constructor): New.
4404 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4405 * config/i386/svr3gas.h: Remove stack grows up code.
4406 Remove code duplicated from i386/sysv3.h.
4407 (TARGET_ASM_CONSTRUCTOR): New.
4408 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4409 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4410 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4411 (TARGET_ASM_CONSTRUCTOR): New.
4412 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4413 (m68hc11_asm_out_destructor): New.
4414 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4415 (TARGET_ASM_DESTRUCTOR): New.
4416 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4417 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4418 config/svr3.h pertaining to section manipulation.
4419 * config/m68k/dpx2g.h: Remove #if 0 code.
4420 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4421 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4422 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4423 (TARGET_ASM_CONSTRUCTOR): New.
4424 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4425 (m88k_svr3_asm_out_constructor): New.
4426 (m88k_svr3_asm_out_destructor): New.
4427 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4428 (ASM_OUTPUT_DESTRUCTOR): Remove.
4429 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4430 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4431 * config/rs6000/aix.h: Likewise.
4432 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4433 * config/mips/vxworks.h: Likewise.
4434 * config/rs6000/lynx.h: Likewise.
4435 * config/sh/elf.h: Likewise.
4436 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4437 (DTORS_SECTION_ASM_OP): New.
4438 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4439 (ASM_OUTPUT_DESTRUCTOR): Remove.
4440 * config/sparc/sol2-sld-64.h: Likewise.
4441 * config/vax/vax.c (vms_asm_out_constructor): New.
4442 (vms_asm_out_destructor): New.
4443 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4444 (ASM_OUTPUT_DESTRUCTOR): Remove.
4445 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4447 * doc/tm.texi (@node Initialization): Update.
4449 2001-08-09 Richard Henderson <rth@redhat.com>
4451 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4452 (__do_global_dtors_aux): Use gp-relative static data to avoid
4453 one dynamic relocation.
4454 (__do_frame_setup): Register Java classes.
4455 * config/alpha/crtend.asm (__JCR_END__): New.
4457 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4459 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4460 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4461 (GEN, STAGESTUFF): Add new files.
4462 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4463 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4464 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4465 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4466 as well as insn-codes.h and insn-flags.h in config.h; and no
4467 extra headers in tconfig.h and hconfig.h.
4469 * gencodes.c: Eliminate code to generate predicate declarations
4470 or #defines for md-file constants.
4471 * genconstants.c, genpreds.c: New files.
4473 * i386.md: Re-order guard expressions such that TARGET_64BIT
4474 comes first, when this permits better optimization. Add
4475 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4476 why this is desirable.
4478 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4480 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4481 (find_fde_for_dso): Remove.
4482 (_Unwind_IteratePhdrCallback): New.
4483 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4484 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4486 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4488 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4489 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4491 2001-08-09 Graham Stott <grahams@redhat.com>
4493 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4494 (vis_no_unit): Use it.
4495 (visualize_no_unit): Add the insn only if room exists.
4497 2001-08-09 Graham Stott <grahams@redhat.com>
4499 * predict.c (estimate_probability): Replace magic numbers with
4500 appropriate enumeration.
4502 2001-08-09 Graham Stott <grahams@redhat.com>
4504 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4506 (EXTRACT_FLAGS): Likewise.
4508 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4510 * config/mips/mips.c (mips_legitimate_address_p): Check for
4511 CONST_INT in last patch.
4513 2001-08-08 Anthony Green <green@redhat.com>
4515 * java/class.c (emit_register_classes): Use assemble_jcr if
4516 possible. Keep the original mechanism as a fallback.
4517 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4518 and weak symbol support.
4519 * crtstuff.c (__JCR_LIST__): Define.
4520 (__JCR_END__): Define.
4521 (_Jv_RegiserClasses): Define weak symbol if possible.
4522 (__do_global_ctors_aux): Register classes for ELF targets with
4523 weak symbol support.
4525 2001-08-08 Kazu Hirata <kazu@hxi.com>
4527 * dbxout.c: Fix comment formatting.
4528 * dependence.c: Likewise.
4530 * diagnostic.c: Likewise.
4531 * dominance.c: Likewise.
4532 * doprint.c: Likewise.
4533 * dwarf2out.c: Likewise.
4534 * dwarfout.c: Likewise.
4535 * emit-rtl.c: Likewise.
4536 * except.c: Likewise.
4537 * explow.c: Likewise.
4538 * expmed.c: Likewise.
4541 * fold-const.c: Likewise.
4542 * function.c: Likewise.
4544 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4546 * global.c (retry_global_alloc): Avoid shadowing allocno.
4548 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4550 * except.c (remove_fixup_regions): Fix typo.
4552 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4554 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4555 unsigned HOST_WIDE_INT to avoid warning.
4556 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4557 * flow.c (set_block_for_new_insns): Likewise.
4559 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4561 * sibcall.c (return_value_pseudo): New static variable.
4562 (skip_copy_to_return_value): Handle return_value_pseudo.
4563 (call_ends_block_p): Ensure that return_value_pseudo is set.
4564 (optimize_sibling_and_tail_recursive_call): Discover the
4565 load of pseudo return value in alternate exit block.
4567 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4569 * calls.c (ECF_ALWAYS_RETURN): New constant.
4570 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4571 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4572 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4573 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4574 * rtl.c (reg_note_name): New name.
4575 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4577 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4579 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4581 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4583 * alias.c (get_alias_set): Return a previously calculated
4584 alias set for a VAR_DECL.
4585 * function.c (gen_mem_addressof): Calculate the alias set before
4588 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4590 * predict.def: Set hitrates according our experimental run.
4592 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4594 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4596 2001-08-08 H.J. Lu <hjl@gnu.org>
4598 * config/mips/mips.c (mips_unique_section): New. Copied from
4601 * config/mips/mips-protos.h (mips_unique_section): New
4604 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4606 * config/mips/little.h: New. Generic little endian mips
4607 targets. Only mips*-*-linux* is converted to use it so far.
4609 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4610 (WCHAR_TYPE): Defined
4611 (WCHAR_TYPE_SIZE): Likewise.
4612 (INIT_SUBTARGET_OPTABS): Likewise.
4613 (BSS_SECTION_ASM_OP): Likewise.
4614 (SBSS_SECTION_ASM_OP): Likewise.
4615 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4616 (ASM_DECLARE_OBJECT_NAME): Likewise.
4617 (UNIQUE_SECTION): Likewise.
4618 (EXTRA_SECTIONS): Likewise.
4619 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4620 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4621 (ASM_OUTPUT_DEF): Likewise.
4622 (HANDLE_SYSV_PRAGMA): Removed.
4623 (NO_IMPLICIT_EXTERN_C): Likewise.
4624 (TARGET_MEM_FUNCTIONS): Likewise.
4625 (STARTFILE_SPEC): Likewise.
4626 (ENDFILE_SPEC): Likewise.
4627 (LIB_SPEC): Likewise.
4628 (INVOKE__main): Likewise.
4629 (CTOR_LIST_BEGIN): Likewise.
4630 (CTOR_LIST_END): Likewise.
4631 (DTOR_LIST_BEGIN): Likewise.
4632 (DTOR_LIST_END): Likewise.
4633 (SET_ASM_OP): Likewise.
4634 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4635 (ASM_OUTPUT_DEF): Likewise.
4636 (ASM_OUTPUT_IDENT): Likewise.
4638 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4639 (CPLUSPLUS_CPP_SPEC): Likewise.
4640 (ASM_APP_ON) Redefine only if not defined.
4641 (ASM_APP_OFF): Likewise.
4642 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4643 (ASM_OUTPUT_IDENT): Likewise.
4645 * config.gcc: Update tm_file for Linux/mips.
4647 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4649 * cselib.c (cselib_record_sets): If insn is predicated, turn
4650 sources into IF_THEN_ELSEs.
4652 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4653 Turn into define_insn_and_split.
4655 * sched-deps.c: Include "cselib.h".
4656 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4657 Use cselib to turn memory addresses into VALUEs.
4658 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4659 * sched-int.h (struct sched_info): New member USE_CSELIB.
4660 * sched-ebb.c (ebb_sched_info): Initialize it.
4661 * sched-rgn.c (rgn_sched_info): Likewise.
4662 * Makefile.in (sched-deps.o): Update dependencies.
4664 * cselib.h (cselib_subst_to_values): Declare.
4665 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4666 that have no value and autoincs to be handled by generating a new
4669 2001-08-08 Graham Stott <grahams@redhat.com>
4671 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4672 within fixed length SEQUENCE.
4674 2001-08-08 Graham Stott <grahams@redhat.com>
4676 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4677 (diagnostic_prefixing_rule): Likewise.
4678 (diagnostic_line_cutoff): Likewise.
4679 (diagnostic_kind_count): Likewise.
4681 2001-08-08 Graham Stott <grahams@redhat.com>
4683 * alias.c (find_base_decl): Delete redundent assignment.
4685 2001-08-08 Graham Stott <grahams@redhat.com>
4687 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4688 (abs): Uppercase and paranthesize macro parameter.
4689 (MEM_DEPENDENCY): Add whitespace.
4691 2001-08-08 Graham Stott <grahams@redhat.com>
4693 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4694 failure check for CONST_INT
4696 2001-08-08 Graham Stott <grahams@redhat.com>
4698 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4699 (libcall_dead_p): Likewise.
4701 (mark_used_regs): Constify fmt.
4702 (find_use_as_address): Likewise.
4704 2001-08-08 Graham Stott <grahams@redhat.com>
4706 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4709 2001-08-08 Graham Stott <grahams@redhat.com>
4711 * combine.c (combine_simplify_rtx): Update comment and
4712 remove erroneous test.
4714 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4716 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4717 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4718 take care to avoid multiple no-newline at EOF warnings in that
4721 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4723 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4724 (emit_library_call_value_1): Likewise.
4725 (emit_call_1): Emit REG_SETJMP note.
4726 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4728 * cselib.c (cselib_process_insn): Likewise.
4729 * flow.c (propagate_block): Likewise.
4730 * loop.c (find_and_verify_loops): Likewise.
4731 * reload.c (find_equiv_regs): Likewise.
4732 * reload1.c (reload): Likewise.
4733 * resource.c (mark_referenced_resources,
4734 mark_set_resources): Likewise.
4735 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4736 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4737 * haifa-sched.c (unlink_other_notes): Likewise.
4738 (reemit_notes): Likewise.
4739 * sched-ebb.c (sched_ebb): Likewise.
4740 * sched-rgc.c (sched_region): Likewise.
4741 * rtl.c (note_insn_name): Likewise.
4742 (reg_note_name): Add REG_SETJMP
4743 * rtl.h (reg_note): Add REG_SETJMP.
4744 (insn_note): Remove NOTE_INSN_SETJMP.
4746 * profile.c (branch_prob): Add fake edges for setjmp.
4748 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4750 * config.gcc: Quote target_cpu_default2 correctly for
4751 powerpc*-*-* targets.
4753 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4755 * cpplib.h, line-map.h: Update comments.
4756 * cppmain.c (printer_init): Move inline.
4757 (maybe_print_line, print_line): Take a map pointer.
4758 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4759 (cb_file_change): Don't use prior value of print.map.
4761 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4763 * doc/install.texi: Document fine-grained multilib configuration.
4765 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4767 * rtlanal.c (find_first_parameter_load): Call note_stores
4768 only on the instructions.
4770 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4772 * alias.c (nonlocal_mentioned_p):
4773 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4774 * calls.c (emit_call_1): Likewise.
4775 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4776 * cselib.c (cselib_process_insn): Likewise.
4777 * df.c (df_insns_modify): Likewise.
4778 * flow.c (need_fake_edge_p): Likewise.
4779 (propagate_one_insn): Likewise.
4780 * haifa-sched.c (reemit_notes): Likewise.
4781 * integrate.c (copy_insn_list): Likewise.
4782 * jump.c (delete_prior_computation): Likewise.
4783 * local-alloc.c (validate_equiv_mem): Likewise.
4784 * loop.c (scan_loop): Likewise.
4785 * predict.c (estimate_probability): Likewise.
4786 * reload.c (reload): Likewise.
4787 * sched-deps (sched_analyze): Likewise.
4788 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4789 * gcse.c (compute_hash_table): Likewise.
4790 (mark_call): Likewise.
4791 (store_killed_in_insn): Likewise.
4793 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4795 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4797 2001-08-06 Richard Henderson <rth@redhat.com>
4799 * varasm.c (assemble_gc_entry): Remove.
4800 * output.h: Likewise.
4802 2001-08-06 Richard Henderson <rth@redhat.com>
4804 * varasm.c (assemble_constructor): Take a symbol_ref and a
4805 priority instead of a bare string. Move priority handling
4806 here from cp/decl2.c.
4807 * output.h: Update decls.
4809 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4810 and assemble_destructor.
4811 * profile.c (output_func_start_profiler): Likewise.
4812 * objc/objc-act.c (finish_objc): Likewise.
4813 (build_module_descriptor): Return the symbol not the symbol name.
4815 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4817 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4818 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4819 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4820 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4821 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4822 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4824 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4826 * cpperror.c (print_containing_files): Moved to line-map.c.
4827 (print_location): line-map.c handles re-listing or otherwise.
4828 * cpphash.h (struct lexer_state): Remove next_bol.
4829 (struct cpp_buffer): Remove include_stack_listed.
4830 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4831 Remove faked buffer handling.
4832 (_cpp_do_file_change): Tweak.
4833 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4834 * cppmain.c (struct printer): Remove filename.
4835 (print_line, cb_file_change): Update accordingly.
4836 * line-map.c: Include intl.h.
4837 (init_line_maps): Initialize last_listed.
4838 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4839 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4840 (print_containing_files): New.
4841 * line-map.h (struct line_maps): New member last_listed.
4842 (print_containing_files, INCLUDED_FROM): New.
4843 * Makefile.in: Update.
4844 * po/POTFILES.in: Add line-map.c.
4846 2001-08-06 Richard Henderson <rth@redhat.com>
4848 * except.c (convert_from_eh_region_ranges_1): Never mark
4849 USE or CLOBBER insns as throwing.
4851 * expr.c (store_constructor): Don't clobber memory targets.
4853 2001-08-06 Andreas Jaeger <aj@suse.de>
4855 * profile.c (branch_prob): Remove unused variable insn.
4857 * Makefile.in (local-alloc.o): Add dependency on except.h.
4859 * local-alloc.c: Include except.h for can_throw_internal prototype.
4861 2001-08-06 Richard Henderson <rth@redhat.com>
4863 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4864 * function.c (expand_main_function): Implement it.
4865 * doc/tm.texi: Document it.
4867 2001-08-06 Stan Shebs <shebs@apple.com>
4869 * doc/install.texi: Document powerpc-*-darwin* details.
4871 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4873 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4874 (ASM_CPU_SPEC): Move back to rs6000.h
4875 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4877 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4879 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4882 * config/rs6000/linux64.h: Ditto.
4884 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4885 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4888 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4889 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4891 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4894 2001-08-05 Richard Henderson <rth@redhat.com>
4896 * local-alloc.c (update_equiv_regs): Do not move insns that
4899 2001-08-05 Jan Hubicka <jh@suse.cz>
4901 * Makefile.in (reload1.o): Add dedendancy on except.h
4902 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4904 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4905 indicating wehther edges has been cleaned up.
4906 * reload1.c: Inlucde except.h
4907 (fixup_abnormal_edges): Accept deleted insns.
4908 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4911 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4913 * cpplib.c (do_line): Correct line number after pop_buffer.
4915 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4917 PR preprocessor/3824
4918 * line-map.c: Update comments.
4919 * line-map.h: Update comments.
4920 * tradcif.y: Don't consider large numbers unsigned.
4922 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4924 PR preprocessor/3081
4925 * c-lex.c (map): New.
4926 (cb_file_change): Update map and use it.
4927 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4928 (c_lex): Update to use map.
4929 * cpperror.c (print_location): Move to using logical line numbers.
4930 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4931 (cpp_make_system_header): Similarly.
4932 (_cpp_execute_include): Stop line numbering hacks. Store the
4933 line we will return to.
4934 * cpphash.h (CPP_BUF_LINE): Remove.
4935 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4936 Add map and return_to_line.
4937 (_cpp_do_file_change): Update.
4938 * cppinit.c (cpp_start_read): Update line kludge.
4939 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4940 (trigraph_ok): Use logical line numbers for diagnostics.
4941 (skip_block_comment): Likewise.
4942 (skip_whitespace): Likewise.
4943 (skip_line_comment): Use pfile->line instead.
4944 (_cpp_lex_token): Update to use logical line numbering exclusively.
4945 Handle BOL locally. Accept new lines in directives, but keep
4946 pfile->line decremented. Diagnostics use logical lines. Update
4948 * cpplib.c (SEEN_EOL): New.
4949 (skip_rest_of_line, check_eol): Use it.
4950 (end_directive): Increase line number when accepting the newline
4951 at the end of a directive.
4952 (run_directive): Simplify.
4953 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4954 (_cpp_do_file_change): Update to take buffer line number as an
4955 argument, and store the current map in the cpp_reader. Remove
4956 line number kludges.
4957 (_cpp_do__Pragma): Restore output position after a _Pragma.
4958 (cpp_push_buffer): Don't set output line or lineno.
4959 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4960 Remove line kludge. Set output_line.
4961 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4962 (parse_arg): Use logical lines.
4963 (save_lookahead_token): Save EOFs too now.
4964 * cppmain.c (struct printer): Fix comments.
4965 (printer_init): Simplify, let caller do errors.
4966 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4967 (maybe_print_line): Simplify.
4968 (print_line): Don't print a linemarker if -P.
4969 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4970 (cb_file_change): Simplify.
4971 * line-map.h (LAST_SOURCE_LINE): Fix.
4972 (CURRENT_LINE_MAP): New.
4974 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4976 * doloop.c (doloop_modify_runtime): Properly compute number of
4977 iterations if loop was unrolled.
4979 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4980 if their CSELIB_VAL_PTRs are.
4982 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4983 (setup_spill_pointers): Initialize it.
4984 (spill_restore_mem): Set it.
4985 (do_spill, do_restore): Use it to add REG_INC note.
4986 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4988 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4989 asms if other insns are available.
4991 * config/ia64/ia64.c (condop_operator): New predicate.
4992 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4993 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4996 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4997 temporary register than directly using a MEM.
4999 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5001 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5002 parameter in last change.
5004 2001-08-04 Zack Weinberg <zackw@panix.com>
5006 * sparc.md: Don't use #if inside C test expression.
5008 2001-08-04 Richard Henderson <rth@redhat.com>
5010 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5012 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5014 * cpphash.h (struct cpp_reader): New member directive_line.
5015 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5016 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5017 do_pragma): Pass line to callbacks.
5018 (start_directive): Record line of directive.
5019 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5020 cb_include): Similarly.
5021 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5024 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5026 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5029 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5031 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5033 * reload1.c (fixup_abnormal_edges): New static function.
5036 * flow.c (need_fake_edge_p): New function.
5037 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5038 avoid call insn to be very last insn in the insn stream.
5040 * profile.c (branch_prob): Call flow_call_edges_add instead of
5041 doing that by hand; cleanup cfg to re-merge basic blocks once
5044 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5046 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5047 are also on line-map.h.
5048 * cppfiles.c (stack_include_file): Update.
5049 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5050 (_cpp_pop_buffer): New.
5051 * cppinit.c (cpp_destroy, cpp_finish): Update.
5052 (do_includes): Mark each buffer to return at EOF.
5053 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5054 return as requested.
5055 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5056 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5057 * cpplib.h (cpp_pop_buffer): Remove.
5058 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5059 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5061 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5063 (do_preprocessing): Update.
5064 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5065 * c-parse.in (_yylex): Similarly.
5066 * scan-decls.c (scan_decls): Similarly.
5067 * line-map.h: Update comments.
5069 * objc/Make-lang.in (objc-act.o): Update dependencies.
5071 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5073 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5074 and soft register for operand 0.
5075 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5077 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5079 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5080 register for operand 0.
5081 ("bitcmpqi_z_used"): Allow memory for operand 0.
5082 (split "bitcmpqi"): New split to handle address reg as operand 1.
5084 2001-08-04 Andreas Jaeger <aj@suse.de>
5086 * gcse.c: Revert Daniel's last patch.
5088 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5090 * sparc-protos.h: Add prototypes for fp_zero_operand and
5092 * sh-protos.h: Add prototype for fpul_operand.
5094 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5096 * doc/extend.texi (Other Builtins): Fix typo in last change.
5098 2001-08-03 Richard Henderson <rth@redhat.com>
5100 * target.h (gcc_target): Add asm_out.named_section,
5101 section_type_flags, have_named_sections.
5102 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5103 (TARGET_HAVE_NAMED_SECTIONS): New.
5104 (TARGET_SECTION_TYPE_FLAGS): New.
5106 * Makefile.in (toplev.o): Depend on TARGET_H.
5107 (varasm.o, dbxout.o): Likewise.
5108 * c-common.c (decl_attributes): Check targetm.have_named_sections
5109 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5110 * dbxout.c (dbxout_function_decl): Likewise.
5111 (dbxout_function_end): Likewise.
5112 * toplev.c (compile_file): Likewise.
5113 * varasm.c (exception_section): Likewise.
5114 * cp/decl2.c (finish_objects): Likewise.
5116 * defaults.h (EH_FRAME_SECTION): Remove.
5117 (EH_FRAME_SECTION_ASM_OP): Remove.
5118 (EH_FRAME_SECTION_NAME): New.
5119 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5120 (UNIQUE_SECTION_P): Remove.
5121 * dwarf2out.c (SECTION_FORMAT): Remove.
5122 (ASM_OUTPUT_SECTION): Remove.
5123 (output_call_frame_info): Use named_section_flags.
5124 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5125 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5126 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5127 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5128 (named_section_flags): New.
5129 (named_section): Use it and targetm.section_type_flags.
5130 (resolve_unique_section): New.
5131 (assemble_start_function): Use it.
5132 (asm_emit_uninitialised, assemble_variable): Likewise.
5133 (default_section_type_flags): New.
5134 (default_no_named_section, default_elf_asm_named_section): New.
5135 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5136 * output.h: Update varasm.c decls.
5137 (SECTION_*): New flags.
5139 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5140 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5142 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5143 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5144 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5145 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5146 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5147 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5148 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5149 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5150 * config/pa/pa64-hpux.h,
5152 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5153 (TARGET_ASM_NAMED_SECTION): New.
5154 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5155 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5156 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5157 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5158 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5159 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5160 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5161 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5162 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5163 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5164 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5165 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5166 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5167 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5168 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5169 * config/sparc/sysv4.h: Likewise.
5171 * config/nextstep.h: Error until named sections implemented.
5173 * config/a29k/a29k.c (a29k_asm_named_section): New.
5174 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5175 (vms_section_type_flags, vms_asm_named_section): New.
5176 * config/arm/arm.c (arm_elf_asm_named_section): New.
5177 * config/avr/avr.c (asm_output_section_name): Remove.
5178 * config/avr/avr-protos.h: Update.
5179 * config/c4x/c4x.c (c4x_asm_named_section): New.
5180 * config/h8300/h8300.c (h8300_asm_named_section): New.
5181 * config/i386/i386.c (sco_asm_named_section): New.
5182 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5183 (i386_pe_section_type_flags): New.
5184 (i386_pe_asm_named_section): New.
5185 * config/i386/i386-protos.h: Update.
5186 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5187 * config/mcore/mcore.c (mcore_asm_named_section): New.
5188 * config/mips/mips.c (iris6_asm_named_section): New.
5189 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5190 instead of UNIQUE_SECTION_P.
5191 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5192 (xcoff_asm_named_section): New.
5193 * config/sh/sh.c (sh_asm_named_section): New.
5194 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5196 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5197 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5198 (EH_FRAME_SECTION_NAME): New.
5199 (EXCEPTION_SECTION): New.
5200 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5201 (DEBUG_*_SECTION): Remove.
5202 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5203 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5204 (EH_FRAME_SECTION_ASM_OP): Remove.
5206 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5207 (ASM_OUTPUT_SECTION_NAME): Remove.
5208 (TARGET_ASM_NAMED_SECTION): New.
5209 (TARGET_HAVE_NAMED_SECTIONS): New.
5210 (TARGET_SECTION_TYPE_FLAGS): New.
5211 (EH_FRAME_SECTION_ASM_OP): Remove.
5212 (EH_FRAME_SECTION_NAME): New.
5214 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5216 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5217 for complex expressions when cfun == 0.
5218 * doc/extend.texi: Document that __builtin_constant_p can be
5219 used in data initializers as well as functions.
5221 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5223 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5224 variable I locally, instead of expecting a declaration in the
5227 2001-08-03 Richard Henderson <rth@redhat.com>
5229 * except.c (collect_one_action_chain): Add an explicit cleanup
5230 action if regions surrounding a catch were encoded entirely
5231 within the call-site entry.
5233 2001-08-03 Richard Henderson <rth@redhat.com>
5235 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5236 don't take REGNO of a non-register.
5238 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5240 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5241 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5242 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5243 (__gthread_mutex_init_function): New function for mutex initialization.
5245 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5247 * Makefile.in: Revert screwed up commit.
5249 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5251 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5252 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5253 merged by linker script to get a final _exit().
5254 (__do_global_dtors): New for destructor handling in specific exit
5256 (__do_global_ctors): New for constructors in specific install section.
5257 (__map_data_section): Map data sections before running constructors.
5258 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5259 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5260 (DTORS_SECTION_ASM_OP): Likewise.
5261 (CTORS_SECTION_FUNCTION): Define to force a reference to
5263 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5265 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5267 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5269 * Makefile.in: Add df.h to gcse.c dependencies.
5271 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5273 * varasm.c (output_constant_def_contents): Use for the length of a
5274 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5275 depending on which is larger.
5277 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5279 * gcse.c: Include df.h for use as a dataflow analyzer.
5281 Declaration of reg_set_info: gone.
5282 New df_analyzer variable used by store motion.
5283 (reg_set_info): Deleted.
5284 (mark_mem_regs): New function, analyze regs used by a mem.
5285 (store_ops_ok): Use dataflow analyzer results to determine if
5286 necessary regs are changed in the block.
5287 (find_moveable_store): Remove check for symbol ref, we can handle
5288 much more complex expressions now.
5289 (compute_store_table): Remove most of the code, it's unnecessary
5290 now that the dataflow analyzer records the info for us.
5291 (store_killed_after): Add parameter to say whether to do the
5292 store_ops_okay test, used to speed up testing when we already know
5293 the answer, and just want to know if the store itself was killed.
5294 (build_store_vector): Largely rewritten to calculate the various
5295 vectors properly, and somewhat optimized.
5296 (store_motion): Init the df_analyzer, get REG_DEF chains.
5297 Also handle trapping expressions (since mems almost always trap)
5298 (simple_mem): Redefine what a simple mem is.
5300 2001-08-03 DJ Delorie <dj@redhat.com>
5302 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5303 set from a constant part of the condition.
5305 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5307 * mkdeps.c (deps_add_default_target): Make local variable
5308 ``start'' a const char pointer.
5309 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5311 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5313 * doc/install.texi (Configuration): Fix markup.
5314 (Specific, i?86-*-udk): Likewise.
5315 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5317 Document --enable-threads and --enable-libgcj status.
5318 (Specific, mips-sgi-irix*): Canonicalize triples.
5319 (Specific, mips-sgi-irix5): Warn about problems with this config.
5320 Mention required GNU as patch.
5321 Native assembler problems are fixed.
5322 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5323 Document --enable-threads and --enable-libgcj status.
5325 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5327 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5330 2001-08-03 Richard Henderson <rth@redhat.com>
5332 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5335 2001-08-03 Richard Henderson <rth@redhat.com>
5337 * rtlanal.c (find_first_parameter_load): Stop if we
5338 reach a CODE_LABEL at BOUNDARY.
5340 2001-08-03 Richard Henderson <rth@redhat.com>
5342 * config/alpha/alpha.md (force_movdi): New insn.
5343 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5344 Tweek FRP marking of VMS prologue insns.
5345 * config/alpha/vms.h (EPILOGUE_USES): New.
5347 2001-08-02 Richard Henderson <rth@redhat.com>
5349 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5351 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5353 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5354 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5355 config/convex/convex.h, config/d30v/d30v.c,
5356 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5357 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5358 config/mips/mips.h, config/mn10200/mn10200.h,
5359 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5360 config/v850/v850.h, config/vax/openbsd.h,
5361 config/vax/openbsd1.h, config/vax/ultrix.h,
5362 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5363 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5364 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5365 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5366 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5367 in comments and documentation.
5369 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5373 * Makefile.in (line-map.o): New.
5374 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5375 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5376 * cpperror.c (print_containing_files): Similarly.
5377 (print_location): Update. Don't output a space before _Pragma.
5378 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5379 (stack_include_filee, cpp_make_system_header): Update.
5380 (_cpp_execute_include): Get logical line number right for calling
5381 as-yet-unterminated #include.
5382 * cpphash.h (struct cpp_reader): Add line_maps.
5383 (_cpp_do_file_change): Update.
5384 * cppinit.c (cpp_create_reader): Initialize line maps.
5385 (cpp_destroy): Destroy line maps.
5386 (cpp_start_read): Get logical line number right.
5387 * cpplex.c (parse_string): Only warn once for multi-line strings.
5388 Use boolean variable for null warning.
5389 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5391 (do_include_common): End the directive early.
5392 (do_line): Don't warn about out-of-range lines in preprocessed
5393 source. Update. Remove unused variables.
5394 (_cpp_do_file_change): Update for new line mapping.
5395 (pragma_cb): New typedef.
5396 (cpp_register_pragma): Stop looking ahead before calling the
5398 (do_pragma_system_header): End directive early.
5399 (cpp_get_line_maps): New.
5400 (cpp_pop_buffer): Fudge logical line. Update.
5401 * cpplib.h: Include line-map.h
5402 (enum cpp_fc_reason): Remove.
5403 (struct cpp_file_change): Update.
5404 (cpp_get_line_maps): New.
5405 * cppmain.c (struct_printer): New member map.
5406 (cb_file_change): Update for new mappings.
5407 * fix-header.c (cb_file_change): Similarly.
5409 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5411 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5412 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5414 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5416 * config/vax/vax.c: include expr.h.
5418 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5420 * Makefile.in ($(srcdir)/configure): Only rebuild in
5422 ($(srcdir)/config.in): Only define in maintainer mode.
5423 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5425 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5427 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5429 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5431 * gcc.c (set_collect_gcc_options): New function, split out from
5433 Ignore elided switches.
5434 (do_spec_1): Invoke before executing command.
5435 (set_input): Export.
5436 Move declaration ...
5437 * gcc.h (set_input): ... here.
5438 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5441 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5444 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5446 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5448 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5450 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5451 for the unnamed instructions it expands to.
5453 2001-08-02 Richard Henderson <rth@redhat.com>
5455 * regclass.c (call_really_used_regs): Conditionally define.
5456 (init_reg_sets_1): Don't use it if not defined.
5457 (fix_register): Similarly, don't set it.
5459 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5461 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5462 Correct comment that had been missed in the previous change.
5464 2001-08-01 Stan Shebs <shebs@apple.com>
5466 * config/darwin.c (machopic_stub_name): Try matching by name.
5467 (update_stubs): New function.
5468 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5471 2001-08-01 Richard Henderson <rth@redhat.com>
5473 * except.c (output_function_exception_table): Use assemble_align.
5474 * varasm.c (assemble_eh_label): Remove.
5475 (assemble_eh_align, assemble_eh_integer): Remove.
5477 2001-08-01 Robert Lipe <robertl@caldera.com>
5479 * dwarfout.c: Remove reference to README.DWARF.
5481 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5483 * regclass.c (call_really_used_regs): New array for registers which
5484 are actually used by a call.
5485 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5487 (fix_register): Set call_really_used too.
5488 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5489 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5491 2001-08-01 Richard Henderson <rth@redhat.com>
5493 * read-rtl.c (read_name): Consider \r whitespace.
5495 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5497 * config.gcc: Recognize powerpc-*-netbsd*.
5499 * doc/install.texi (Host/target specific installation notes for
5500 GCC): Mention powerpc-*-netbsd*.
5502 * config/rs6000/netbsd.h: New file.
5503 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5504 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5505 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5506 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5507 (TARGET_VERSION): Redefine.
5509 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5510 mcall-netbsd as a match for mcall-sysv.
5511 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5512 (ncrti.S, ncrtn.S): New targets.
5513 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5515 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5516 "netbsd' as a V4 ABI.
5517 (ASM_SPEC): Check for -mcall-netbsd.
5518 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5519 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5520 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5521 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5522 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5523 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5524 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5526 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5527 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5529 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5531 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5532 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5533 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5534 including "unwind-pe.h".
5536 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5538 * rs6000.md (define_splits): Kill unused constraints.
5540 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5541 Jan Hubicka <jh@suse.cz>
5543 * function.c (thread_prologue_and_epilogue_insns): Kill code
5544 dealing with non-existent CFG.
5546 2001-08-01 Kazu Hirata <kazu@hxi.com>
5548 * alias.c: Fix comment formatting.
5549 * bitmap.c: Likewise.
5550 * builtins.c: Likewise.
5551 * calls.c: Likewise.
5552 * c-common.c: Likewise.
5553 * c-decl.c: Likewise.
5554 * c-dump.c: Likewise.
5555 * c-lex.c: Likewise.
5556 * collect2.c: Likewise.
5557 * combine.c: Likewise.
5558 * conflict.c: Likewise.
5559 * cppfiles.c: Likewise.
5560 * cppinit.c: Likewise.
5561 * cpplex.c: Likewise.
5562 * cpplib.c: Likewise.
5563 * cppmacro.c: Likewise.
5564 * cppspec.c: Likewise.
5565 * c-pragma.c: Likewise.
5566 * crtstuff.c: Likewise.
5568 * cselib.c: Likewise.
5569 * c-semantics.c: Likewise.
5570 * c-typeck.c: Likewise.
5572 2001-08-01 H.J. Lu <hjl@gnu.org>
5574 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5576 2001-08-01 H.J. Lu <hjl@gnu.org>
5578 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5580 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5582 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5583 contextualizing Objective-C class name lookup by the lexer.
5584 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5586 (protocoldef): Add support for forward @protocol declarations.
5587 (yylexname): Suppress ObjC class name lookup in certain contexts;
5588 re-enable after lookup is complete.
5589 (_yylex): Re-enable ObjC class name lookup when certain
5590 punctuation marks are seen.
5592 * objc/objc-act.c (check_protocol_recursively): New function used
5593 for finding circular dependencies in protocols.
5594 (objc_declare_protocols): New function for handling forward
5595 @protocol declarations.
5596 (receiver_is_class_object): Detect the case when 'self' is used
5597 inside of a class method.
5598 (build_message_expr): Issue a warning if class method is desired
5599 but instance method is found instead.
5600 (conforms_to_protocol): Streamline.
5601 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5602 protocol Foo, even if 'Bar foo' does not.
5603 (check_protocols): Streamline.
5604 (start_protocol): Add checks for circular and duplicate protocol
5606 (encode_aggregate_within): For typedefs of structs, encode the
5608 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5609 (objc_declare_protocols): New prototype.
5611 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5613 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5614 * cpplex.c (handle_newline): Update prototype. Maintain logical
5616 (skip_escaped_newlines, skip_block_comment, parse_string):
5618 (_cpp_lex_token): Update, and store token position within the token.
5619 * cpplib.h (struct cpp_token): Add line and column entries.
5620 * cppmacro.c (replace_args): Position stringified tokens correctly.
5622 2001-08-01 Andreas Jaeger <aj@suse.de>
5624 * basic-block.h: Add prototype for last_loop_beg_note.
5626 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5628 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5629 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5631 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5632 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5633 expand_decl_cleanup.
5634 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5636 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5637 operand while calling simple_cst_equal.
5638 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5639 operand is the cleanup expression, the third is the RTL_EXPR.
5640 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5642 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5644 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5646 2001-07-31 matthew green <mrg@eterna.com.au>
5648 * config.gcc (i386-*-netbsdelf): New description.
5649 * config/i386/netbsd-elf.h: New file.
5651 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5653 * loop.c (check_dbra_loop): Use single_set to compute
5656 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5658 PowerPC reorg and support for powerpc64-*-linux*.
5660 Also fixes emitting of constants on 32 bit and 64 bit
5663 * config.gcc: powerpc64-*-linux* is a new target.
5664 Things that needed aix.h now also include xcoff.h
5666 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5668 Move AIX specific stuff into aix.h.
5669 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5670 with more than just XCOFF now.
5671 (SET_ASM_OP): Remove, now defined where needed.
5672 (FUNCTION_PROLOGUE): New macro definition.
5673 (FUNCTION_EPILOGUE): New macro definition.
5674 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5676 * config/rs6000/xcoff.h: New file.
5678 * config/rs6000/linux64.h: New file.
5680 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5682 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5684 * rs6000.c (print_operand_address): Handle ELF syntax.
5685 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5686 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5687 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5689 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5691 * rs6000.c (rs6000_override_options): Only disable
5692 flag_function_sections for XCOFF.
5693 (exact_log2_cint_operand): New predicate.
5694 (reg_or_{add,sub}_cint64_operand): New predicates.
5695 (add_operand): Compare CONST_INT with fewer function calls.
5696 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5697 (print_operand, case 'p'): Ensure positive operand.
5698 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5699 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5700 (PREDICATE_CODES): Add new predicates.
5701 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5702 (divsi3, modsi3): Ensure positive power-of-2.
5703 (adddi3): Use new predicate. Split 32-bit constants more
5704 correctly. Re-arrange splitter to handle any constant.
5705 (subdi3): Use new predicate.
5706 (divdi3, moddi3): Ensure positive power-of-2.
5707 (movdi): Use rs6000_emit_set_const.
5708 (load_toc_v4_pic_di): Delete.
5710 2001-07-31 Graham Stott <grahams@redhat.com>
5712 * function.c (pad_below): Revert 2001-07-26 patch.
5714 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5716 * reg-stack (convert_regs_1): Fix best edge condition.
5718 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5720 * jump.c (duplicate_loop_exit_test): Better test for jumps
5721 entering the loop; create loop pre_header.
5723 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5725 * doc/install.texi: Add s390 and s390x as new targets.
5726 * doc/invoke.texi: Add documantation of S/390 and zSeries
5728 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5730 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5732 * config/m68k/m68k.md: Replace all general_operand with
5733 nonimmediate_operand for all destinations.
5734 * config/m68k/m68k.c (not_sp_operand): Likewise.
5736 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5738 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5740 2001-07-30 Richard Henderson <rth@redhat.com>
5742 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5743 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5745 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5747 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5748 Add missing doc strings
5749 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5750 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5752 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5754 * i386.c (ix86_output_main_function_alignment_hack): New function.
5755 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5757 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5758 edges by EDGE_DFS_BACK flag.
5759 (dump_edge_info): Add dfs_back flag.
5760 * basic-block.h (EDGE_DFS_BACK): New constant.
5761 (mark_dfs_back_edges): Declare.
5762 * alias.c (loop_p): Remove.
5763 (mark_constant_function): Use mark_dfs_back_edges.
5765 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5766 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5767 (compensate_edge): Break out from ...
5768 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5769 (convert_regs_2): Set block_done once block is really done;
5770 Do updating of the predecesors counts.
5772 * toplev.c (rest_of_compilation): Recompute block_for_insn
5773 before post-reload cfg_cleanup.
5774 * function.c (thread_prologue_epilogue_insns):
5775 Call set_block_for_new_insns when emitting prologue directly.
5777 2001-07-30 Andreas Jaeger <aj@suse.de>
5779 * jump.c: Add prototype for mark_modified_reg.
5781 * cse.c (set_live_p): Add unused attribute.
5783 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5785 (scan_for_source_files): Use long for count to avoid overflow.
5786 (output_data): Likewise.
5787 (output_data): Don't use string concatatenation to silence gcc
5790 * predict.c: Fix typos and grammar.
5792 * gcse.c (insert_insn_end_bb): Remove unused variables.
5794 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5796 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5797 (attempt_auto_inc): LIkewise.
5798 (mark_used_reg): Likewise.
5799 (try_pre_increment_1): Likewise.
5800 * regclass.c (regclass): Likewise.
5801 * global.c (allocno_compare): Update comment; change scaling factor.
5802 * local-alloc.c (QTY_CMP_PRI): Likewise.
5803 * regs.h (REG_FREQ_FROM_BB): New.
5804 (REG_FREQ_MAX): Likewise.
5806 2001-07-30 H.J. Lu <hjl@gnu.org>
5808 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5811 2001-07-30 H.J. Lu (hjl@gnu.org)
5813 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5814 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5815 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5817 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5819 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5820 as -mthumb-interwork when -mcpu=arm7 is specified.
5822 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5824 * predict.def (noreturn, loop branch, loop exit): Mark as first
5827 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5829 * combine.c (try_combine): Avoid barrier after noop jumps.
5831 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5833 * cpphash.h (struct cpp_reader): Remove import_warning.
5834 * cpplib.c (skip_rest_of_line): Don't bother turning off
5836 (parse_include): Move include handling to...
5837 (do_include_common): ... here. Move import warning from...
5838 (do_import): ... here.
5839 (do_pragma_poison): Don't do a callback for poison identifiers.
5840 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5841 * cppmain.c (setup_callbacks): Similarly.
5843 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5845 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5846 handle multiple sets.
5847 * except.c (sjlj_mark_call_sites): .... here.
5848 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5850 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5852 Suggested by Richard Henderson and Richard Kenner:
5853 * combine.c (recog_for_combine): Use the fake recog
5854 only if instruction does not match.
5855 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5856 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5858 * combine.c (try_combine): Discover noop jump as direct jump.
5860 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5862 * df.c (df_rd_global_compute): Add successors to worklist, not
5864 (df_ru_global_compute): Ditto.
5866 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5868 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5869 increment REG_N_SETS.
5871 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5873 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5875 * sbitmap.c (sbitmap_a_xor_b): New function.
5876 ifdef the basic block stuff on IN_GCC.
5878 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5880 * cppexp.c (parse_defined): Always record the macro name.
5881 (lex): Don't worry about identifiers, or special-case
5883 (_cpp_parse_expr): Figure out at the end of the routine
5884 whether we saw a valid !defined() expression.
5885 * cppfiles.c (stack_include_file): Update for mi_valid.
5886 (_cpp_pop_file_buffer): Similarly.
5887 * cpplex.c (_cpp_lex_token): Similarly.
5888 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5889 mi_if_not_defined, mi_lexed): Remove.
5891 * cpplib.c (do_if): Simplify.
5892 (do_endif, push_conditional, _cpp_handle_directive): Update
5893 for renaming of mi_state to mi_valid.
5895 * cpp.texi: Add index entries for digraphs, and add comment
5896 that C++ refers to them as alternative tokens.
5898 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5900 * basic-block.h (CLEANUP_PRE_LOOP): New.
5901 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5902 * sibcall.c (optimize_sibling_calls): Likewise.
5903 * toplev.c (rest_of_compilation): Likewise.
5904 * flow.c (try_forward_edges): Take argument MODE;
5905 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5906 (try_optimize_cfg): Update call of try_forward_edges.
5908 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5909 Jan Hubicka <jh@suse.cz>
5911 * (validate_replace_rtx_1): Fix simplification of MINUS.
5913 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5915 PR preprocessor/3669
5916 * cppinit.c (init_dependency_output): Turn off dump requests
5917 if sending dependencies to stdout.
5919 2001-07-28 Richard Henderson <rth@redhat.com>
5921 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5924 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5926 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5928 2001-07-28 Kazu Hirata <kazu@hxi.com>
5930 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5931 is VAR_DECL first to prevent an ICE.
5933 2001-07-28 Richard Henderson <rth@redhat.com>
5935 * varasm.c (immed_real_const_1): Don't elide special cases for
5937 (clear_const_double_mem): Clear const_tiny_rtx too.
5939 2001-07-28 Richard Henderson <rth@redhat.com>
5941 * dwarf2out.c (dw_val_class_offset): New.
5942 (struct dw_ranges_struct, dw_ranges_ref): New.
5943 (ranges_table, ranges_table_allocated): New.
5944 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5945 (add_AT_offset, add_ranges, output_ranges): New.
5946 (print_die, output_die): Handle dw_val_class_offset.
5947 (attr_checksum, size_of_die, value_format): Likewise.
5948 (gen_lexical_block_die): Handle non-contiguous blocks.
5949 (gen_block_die): Likewise.
5950 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5951 if needed. Dump the ranges table.
5952 * final.c (final_start_function): Remove unnecessary notes and
5953 rebuild the block tree before numbering the blocks.
5954 * function.c (reorder_blocks_0): Walk the existing block tree
5955 to unmark all blocks.
5956 (reorder_blocks_1): Create block fragments when duplicate block
5958 (reorder_fix_fragments): New.
5959 (reorder_blocks): Call it.
5960 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5962 2001-07-28 Richard Henderson <rth@redhat.com>
5964 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5966 2001-07-28 Richard Henderson <rth@redhat.com>
5968 * flow.c (add_to_mem_set_list): New function.
5969 (init_propagate_block_info): Use it.
5970 (mark_set_1): Likewise.
5971 (insn_dead_p): Canonicalize memory address for dead store
5972 comparison. Allow wider mode stores to kill narrower mode stores.
5973 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5974 (invalidate_mems_from_set): Don't handle MEMs.
5976 2001-07-28 Kazu Hirata <kazu@hxi.com>
5978 * config/h8300/h8300.h: Fix formatting.
5980 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5982 * basic-block.h (EDGE_FREQUENCY): New macro.
5983 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5985 * flow.c (find_sub_basic_blocks): Likewise.
5986 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5987 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5989 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5990 (HITRATE): New macro.
5991 (PRED_FLAG_FIRST_MATCH): New constant.
5992 (predictor_info): New field flgags.
5993 (combine_predictions_for_insn): Use DS theory to combine
5994 probabilities; set the edge probabilities when finished.
5995 (estimate_probability): Avoid duplicated matches
5996 of LOOP_BRANCH heuristics for nested loops; update comment.
5997 * predict.def: Add flags for each prediction, set probabilities
5998 according to B&L paper.
5999 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6001 * profile.c (compute_branch_probabilities): Cleanup way the edge
6002 probabilities are computed and REG_BR_PROB notes are dropped; if
6003 values does not match, emit error.
6004 (init_branch_prob): Do error instead of warning when profile driven
6005 feedback is missing or corrupt.
6007 2001-07-27 DJ Delorie <dj@redhat.com>
6009 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6010 against a constant, try to adjust the compare to have the desired
6011 constant in it so that min/max optimizations happen more often.
6013 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6015 * flow.c (last_loop_beg_note): New function.
6016 (redirect_edge_and_branch): Use it.
6017 (split_edge): Likewise.
6019 * alias.c (loop_p): Avoid uninitialized memory access.
6021 * flow.c (try_forward_edges): Avoid accessing freed memory.
6023 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6026 2001-07-26 Andrew Haley <aph@redhat.com>
6027 Joern Rennecke <amylaar@redhat.com>
6029 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6030 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6031 (SUBTARGET_CPP_SPEC): New.
6033 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6034 (SUBTARGET_CPP_PTR_SPEC): New.
6035 (CPP_DEFAULT_CPU_SPEC): New.
6036 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6037 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6038 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6039 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6040 (SUBTARGET_CPP_SPEC): Define as an empty string.
6042 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6044 * doc/install.texi (Configuration): Properly link the host
6045 specific instructions also when generating HTML.
6047 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6049 * flow.c (redirect_edge_and_branch_force): Test
6050 target->global_live_at_start.
6052 2001-07-26 Richard Henderson <rth@redhat.com>
6054 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6055 * rtl.h (avoid_constant_pool_reference): Declare it.
6056 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6057 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6059 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6061 * rtl.h (cleanup_barriers): Declare.
6062 * jump.c (cleanup_barriers): New function.
6063 * toplev.c (rest_of_compilation): Call cleanup_barriers
6064 before loop optimizer and after bb_reorder.
6066 * flow.c (back_edge_of_syntactic_loop_p): New.
6067 (split_edge): Use it.
6069 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6071 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6073 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6075 * cse.c (cse_process_notes): Replace any registers if the address
6078 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6080 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6081 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6082 (propagate_block): Update prototype.
6083 * flow.c (update_life_info): Simplify the CFG and
6084 recalculate the global regs which are alive when
6085 removing dead code during a global update.
6086 (propagate_block): Return non-zero if an INSN is
6089 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6091 * Makefile.in (LIBICONV): Define.
6093 2001-07-26 Catherine Moore <clm@redhat.com>
6095 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6096 of conditional to avoid tree checking errors.
6098 2001-07-26 Kazu Hirata <kazu@hxi.com>
6100 * regmove.c (regmove_optimize): Don't replace a reg with
6101 another reg of a different mode.
6103 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6105 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6106 limit length of dependancy flush list.
6107 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6108 * sched-int.h (struct deps): Add pending_flush_length field.
6109 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6110 has 1 element in it.
6111 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6112 (sched_analyze): After a jump, if the pending memory flush list is too
6113 large, flush the pending lists.
6114 (init_deps): Initialize pending_flush_length to 0.
6115 * doc/invoke.texi (max_pending_list_length): Document parameter.
6117 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6119 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6120 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6121 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6123 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6125 * cpphash.h (struct_lexer_state): Delete was_skipping.
6126 Move skipping here from struct cpp_reader.
6127 * cpplex.c (parse_identifier): Update.
6128 (_cpp_lex_token): Don't skip tokens in a directive.
6129 * cpplib.c (struct if_stack): Update.
6130 (start_directive, end_directive): Don't change skipping state.
6131 (_cpp_handle_directive): Update.
6132 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6133 (do_else, do_endif): Update; only check for excess tokens if not
6134 in a skipped conditional block.
6135 (push_conditional): Update for new struct if_stack.
6137 2001-07-26 Graham Stott <grahams@redhat.com>
6139 * function.c (locate_and_pad_parm): Also pad initial offset
6140 so that the total argument size also includes the padding.
6142 2001-07-26 Graham Stott <grahams@redhat.com>
6144 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6145 change XSTR to XTMPL.
6147 (process_one_cond_exec): Likewise
6149 2001-07-25 Richard Henderson <rth@redhat.com>
6151 * varasm.c (assemble_variable): Create DECL_RTL before setting
6154 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6156 * predict.c (estimate_probability): Avoid duplicated predictions.
6158 * loop.c (find_and_verify_loops): Grok multiple barriers.
6160 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6162 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6164 * dbxout.c: Consistently use putc instead of fputc.
6165 (print_wide_int): New function; call instead of direct fprintf.
6166 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6167 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6168 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6169 (print_int_cst_octal): Likewise.
6170 (print_octal): Show we wrote characters.
6171 (dbxout_type): Set have_used_extensions in more places.
6173 2001-07-25 Catherine Moore <clm@redhat.com>
6175 * config/v850/v850.c (v850_va_arg): Use addr
6176 instead of valist to build incr.
6178 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6180 * flow.c (delete_dead_jumptables): New function.
6181 (life_analyzis): Call it.
6182 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6185 2001-07-25 Richard Henderson <rth@redhat.com>
6187 * except.c (reachable_handlers): Handle a region being removed
6188 out from under a RESX.
6190 2001-07-25 Richard Henderson <rth@redhat.com>
6192 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6193 swap GE/GT if it is an fp comparison.
6195 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6197 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6200 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6202 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6203 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6206 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6208 (visit_expression): When attempting to simplify an expression,
6209 retrieve any modes for arguments before they are simplified
6212 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6213 Janis Johnson <janis@us.ibm.com>
6215 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6216 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6217 pointer parameters to match documented usage of nonlocal_goto.
6218 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6219 parameters to their correct order.
6220 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6221 parameters to their correct order.
6223 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6225 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6227 2001-07-25 Jan Hubicka <jh@suse.cz>
6228 Richard Henderson <rth@redhat.com>
6230 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6232 (make_edges): New argument update_p; populate the edge cache if set.
6233 (find_basic_blocks): Update make_edges invocation.
6235 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6237 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6239 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6241 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6242 -Acpu and -Amachine.h.
6243 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6244 Corrected header to say ELF not a.out.
6245 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6246 when given -msoft-float.
6248 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6250 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6251 extra multilib parts like arm-elf.
6252 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6253 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6254 crtfini.o as extra multilib parts.
6256 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6258 * configure.in: Add rtems as a supported thread model.
6259 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6260 * configure: Rebuilt.
6262 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6264 * stor-layout.c (get_mode_alignment): make it work when
6265 BITS_PER_UNIT is not a power of two.
6266 * builtins.c (get_pointer_alignment): Likewise.
6268 2001-07-24 Richard Henderson <rth@redhat.com>
6270 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6271 the retrieved constant into the expected mode.
6273 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6275 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6276 (verify_flow_info): Check for duplicated edges; clarify
6279 * flow.c (block_label): Update basic_block_for_insn.
6280 (commit_edge_insertions): Call compute_bb_for_insn.
6282 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6285 * flow.c (redirect_edge_and_branch,
6286 try_optimize_cfg): Use redirect_edge_succ_nodup
6287 (redirect_edge_succ_nodup): New.
6288 * basic_block.h (redirect_edge_succ_nodup): Declare.
6290 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6293 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6295 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6296 (try_crossjump_to_edge): Update commetns.
6297 (try_crossjump_bb): Likewise.
6299 2001-07-24 Richard Henderson <rth@redhat.com>
6301 * combine.c (distribute_notes): Move set of need_refresh
6302 for noop_move_p down to catch all cases.
6304 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6306 * recog.c (split_all_insns_noflow): New.
6307 * rtl.h (split_all_insns_noflow): Declare.
6308 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6309 * m68hc11.c (m68hc11_reorg): Likewise.
6310 * sh.c (machine_dependent_reorg): Likewise.
6311 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6314 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6316 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6317 (ashlsi3_n splitter): Likewise.
6318 (lshrsi3_n splitter): Likewise.
6320 (GOTaddr2picreg): Make const SImode.
6321 (sym_label2reg): Likewise.
6322 (symGOT2reg): Likewise.
6323 (symGOTOFF2reg) Likewise.
6325 (casesi_worker_0): Make unspec SImode.
6327 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6329 * config/sh/sh.c (barrier_align): Check that an operand really is
6330 an insn before extracting its INSN_CODE.
6332 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6334 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6337 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6338 for SImode to prevent overflow.
6340 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6342 * config/mips/irix6-libc-compat.c: New file.
6343 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6344 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6347 2001-07-24 lars brinkhoff <lars@nocrew.org>
6349 * rtl.texi (REG_POINTER): Document.
6350 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6351 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6353 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6355 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6357 2001-07-23 Richard Henderson <rth@redhat.com>
6359 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6361 2001-07-23 Kazu Hirata <kazu@hxi.com>
6363 * config/h8300/h8300-protos.h: Add a prototype for
6364 general_operand_dst_push.
6365 * config/h8300/h8300.c (general_operand_dst_push): New.
6366 * config/h8300/h8300.h (OK_FOR_T): New.
6367 (EXTRA_CONSTRAINT): Use it.
6368 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6369 the existing movqi pattern.
6370 (movhi_push): Likewise.
6372 * reload.c: Fix comment typos.
6374 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6376 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6378 2001-07-23 H.J. Lu (hjl@gnu.org)
6380 * doc/extend.texi: Update __builtin_return_address and
6381 __builtin_frame_address.
6383 2001-07-23 Richard Henderson <rth@redhat.com>
6385 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6387 * config/i386/i386.md: New setcc+movzbl peephole2.
6389 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6391 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6392 * objc/objc-act.c: Include debug.h.
6393 (synth_module_prologue): Save and restore debug hooks too.
6395 2001-07-23 lars brinkhoff <lars@nocrew.org>
6397 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6398 and C4X_FLOAT_FORMAT.
6399 (BOOL_TYPE_SIZE): Document.
6401 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6403 * unroll.c (loop_iterations): Fix miscalculation of initial
6406 2001-07-13 Andrew Haley <aph@redhat.com>
6408 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6409 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6410 * config/sh/sh.c (sh_can_redirect_branch): New function.
6411 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6412 * reorg.c (steal_delay_list_from_target): Use
6413 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6415 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6417 * flow.c (try_simplify_condjump): Unlink insn chain on
6418 fallthru edge; use can_fallthru.
6420 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6422 * basic-block.h (find_sub_basic_block): Declare.
6423 * flow.c (make_edges): New arguments MIN and MAX;
6424 (find_sub_basic_blocks): Revamp to use make_edges
6425 and purge_dead_edges.
6426 (find_basic_blocks): Update call of find_sub_basic_block.
6428 * recog.c (split_all_insns): Always expect CFG to be consistent;
6429 call find_sub_basic_blocks in case something has changed.
6430 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6433 * basic-block.h (delete_noop_moves): Declare.
6434 * combine.c (combine_instructions): Call it.
6435 (recog_for_combine): Tolerate noop moves
6436 (distribute_notes): Force refresh when register dies at noop move.
6437 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6439 (life_analysis): Update delete_noop_moves call.
6440 (set_noop_p): Move too ...
6441 * rtlanal.c (noop_move_p): ... here.
6442 * rtl.h (noop_move_p): Declare.
6444 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6445 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6447 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6448 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6450 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6452 * reload.c (push_reload): Fix typo in comment.
6453 (find_reloads_address): Ditto.
6454 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6456 2001-07-22 Richard Henderson <rth@redhat.com>
6458 * flow.c: Grammar check and clarify a lot of comments.
6459 (try_simplify_condjump): Rename variables to be clearer.
6460 (try_forward_edges): Skip complex and fallthru edges.
6461 Rearrange tests to avoid duplicate checks.
6462 (flow_find_cross_jump): Likewise.
6463 (outgoing_edges_match): Allow match if neither branch has
6464 probability data. Loosen probability match to 5%.
6465 (try_crossjump_to_edge): Hoist repeated indirection into
6467 (try_crossjump_bb): Don't check complex edges. Eliminate
6468 redundant crossjump tests.
6469 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6470 checks before more expensive checks.
6472 2001-07-22 Richard Henderson <rth@redhat.com>
6474 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6475 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6478 2001-07-22 Richard Henderson <rth@redhat.com>
6480 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6481 (const_sint32_operand): Likewise.
6482 * m68k.md (anon mulsi pattern): Use const_int_operand not
6483 const_sint32_operand.
6484 (umulsi3_highpart): Zero extend a constant input.
6485 (smulsi3_highpart): Don't bother checking SImode constant.
6486 (const_umulsi3_highpart): Give op3 DImode.
6487 (const_smulsi3_highpart): Likewise.
6489 2001-07-22 Richard Henderson <rth@redhat.com>
6491 * flow.c (split_block): Make sure bb_note is included in the
6492 new block when splitting before a label.
6494 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6496 * basic-block.h (redirect_edge_and_branch_force,
6497 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6498 * flow.c (redirect_edge_and_branch_force,
6499 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6500 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6501 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6502 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6503 instead of label; update CFG after transformation.
6504 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6505 for finishing the transformation; handle even case where ELSE
6506 does not follow THEN.
6507 (find_if_case_2): Update call of dead_or_predictable; simplify
6510 * emit-rtl.c (split_branch_probability): New global variable.
6511 (try_split): Take care to set split_branch_probability and
6512 create REG_BR_PROB note for new jump insns.
6513 * md.texi (define_split): Document new feature.
6515 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6517 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6519 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6520 (asm_out_file): Remove redundant declaration.
6521 (assemble_asm): Remove old #if 0 block.
6522 (assemble_variable): Remove end of function; debug output is
6523 now handled with global_decl. Remove old #if 0 block. Update.
6524 Remove saved_in_section and associated no-op code.
6525 * Makefile.in (varasm.o): Correct dependencies.
6527 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6529 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6530 the definition in defaults.h.
6532 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6534 * jump.c: Update comments.
6535 (delete_barrier_successors, delete_unreferenced_labels,
6536 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6537 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6538 jump_optimize, jump_optimize_minimal): Kill.
6539 (rebuild_jump_labels): Move code from jump_optimize_1.
6540 (purge_line_number_notes): Likewise.
6541 (copy_loop_headers): Likewise.
6542 * reg-stack.c: Update comment.
6544 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6545 JUMP_AFTER_REGSCAN): Kill.
6546 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6547 purge_line_number_notes and copy_loop_headers.
6549 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6550 Richard Henderson <rth@redhat.com>
6552 * dbxout.c (dbxout_global_decl): New.
6553 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6554 * sdbout.c (sdbout_finish): New.
6555 (sdbout_debug_hooks): Use it, add comments.
6556 (sdbout_global_decl): Defer initialised public vars to
6558 * varasm.c (assemble_variable): Don't output debug information
6559 for file-scope variables.
6561 2001-07-22 Richard Henderson <rth@redhat.com>
6563 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6564 (get_round_mode_suffix): New.
6565 (print_operand): Use them for [/]. Remove support for [&'`()+].
6566 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6567 * config/alpha/alpha.md (attr round_suffix): New.
6568 (attr trap_suffix): New.
6569 (all insns): Set them appropriately. Use %/ instead of the
6572 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6574 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6576 2001-07-22 Richard Henderson <rth@redhat.com>
6578 * regrename.c (regrename_optimize): Compute nregs for each
6579 potential target register.
6581 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6582 Richard Henderson <rth@redhat.com>
6584 * dbxout.c (dbxout_global_decl): New.
6585 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6586 * sdbout.c (sdbout_finish): New.
6587 (sdbout_debug_hooks): Use it, add comments.
6588 (sdbout_global_decl): Defer initialised public vars to
6590 * varasm.c (assemble_variable): Don't output debug information
6591 for file-scope variables.
6593 2001-07-21 H.J. Lu (hjl@gnu.org)
6595 * config/mips/mips.c (mips_cpu): Moved into ...
6596 (override_options): Here.
6598 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6600 (mips_cpu): Removed.
6602 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6604 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6605 ("iorqi3"): Likewise.
6606 ("xorqi3"): Likewise.
6607 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6608 ("*subhi3_sp): Likewise.
6609 ("*subhi3"): Likewise.
6610 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6613 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6615 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6616 * config/freebsd.h: Likewise.
6617 * config/linux.h: Likewise.
6618 * config/openbsd.h: Likewise.
6619 * config/alpha/linux-elf.h: Likewise.
6620 * config/arm/linux-elf.h: Likewise.
6621 * config/d30v/d30v.h: Likewise.
6622 * config/fr30/fr30.h: Likewise.
6623 * config/ia64/aix.h: Likewise.
6624 * config/ia64/ia64.h: Likewise.
6625 * config/mips/linux.h: Likewise.
6626 * config/pj/pj.h: Likewise.
6627 * config/rs6000/linux.h: Likewise.
6628 * config/sparc/linux.h: Likewise.
6629 * config/sparc/linux64.h: Likewise.
6631 2001-07-20 Bruce Korb <bkorb@gnu.org>
6633 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6634 because getc() and char* may disagree on signedness.
6636 2001-07-20 Richard Henderson <rth@redhat.com>
6638 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6640 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6641 insns to delete in the presence of cc0 in a jump insn.
6643 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6644 Jan Hubicka <jh@suse.cz>
6646 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6647 of doing the change by hand.
6649 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6651 * rtlanal.c (set_noop_p): Return true for noop jumps.
6653 * expr.c (emit_single_push_insn): Add call to push expander.
6654 * expr.h (optab_index): Add OTI_push
6655 (push_optab): New constant.
6656 * genopinit.c (optabs): Add push_optab.
6657 * optabs.c (init_optab): Init push optab.
6658 * md.texi (push??1): Document
6660 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6662 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6663 expand to emit the pattern; put a REG_INC note for push/pop
6665 ("movdf", "movdf_internal"): Likewise.
6666 ("movsi", "movsi_internal"): Likewise.
6667 ("movsf", "movsf_internal"): Likewise.
6668 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6670 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6672 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6675 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6677 * params.def: Change default max inline insns to 100.
6679 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6681 * combine.c (combine_simplify_rtx): Generate a new shift operation
6682 when simplifying the first operand of a (neg (ashift)) expression.
6684 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6686 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6688 2001-07-20 Kelley Cook <kelley.cook@home.com>
6690 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6691 information. Move rest into ...
6692 (*-*-solaris): ... here. Eliminate redundant information and
6693 reword necessary packages section. Delete 4.x assembler bug info.
6694 (sparc-sun-*): Merge into ...
6695 (sparc-sun-sunos*): here.
6697 2001-07-20 Catherine Moore <clm@redhat.com>
6699 * config/v850/v850.md (casesi): Generate LABEL_REF
6702 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6704 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6705 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6706 * i386.md (strclrsi expander): Use it.
6708 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6710 * integrate.c (copy_insn_list): handle
6711 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6712 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6713 identically as to CODE_LABEL.
6715 * fold-const (fold): Convert A/B/C to A/(B*C) and
6718 * except.c (connect_post_landing_pads): Delete the RESX insns.
6720 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6722 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6724 * config/mips/mips.md (nmadd/nmsub): Use macro.
6726 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6728 * cppinit.c (remove_dup_dir): Make static.
6729 (remove_dup_dirs): Make static. Only warn about preempting a
6730 system directory with a non-system directory.
6732 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6734 * ifcvt.c (noce_try_store_flag_constants): Correct order
6735 of parameters to trunc_int_for_mode.
6737 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6739 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6740 an exception that will be caught within this function, do not fill
6741 its delay slot with any subsequent instruction.
6743 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6745 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6746 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6747 pointer extension instruction.
6748 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6749 * simplify-rtx.c (simplify_unary_operation) Likewise.
6750 * explow.c (convert_memory_address) Check value of
6751 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6753 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6754 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6755 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6756 Add Multilib Support.
6757 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6758 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6759 Add Multilib Support.
6760 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6762 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6763 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6764 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6766 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6768 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6769 old and new operands in `<', `3' and `b'.
6771 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6773 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6774 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6775 (toplev.o): Don't depend on xcoffout.h.
6776 * c-decl.c: Include debug.h
6777 (duplicate_decls): Use debug hook.
6778 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6779 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6780 (dbxout_types): Remove.
6781 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6782 * debug.c (do_nothing_debug_hooks): Update.
6783 (debug_true_tree, debug_nothing_rtx): New.
6784 * debug.h (struct rtx_def): New.
6785 (struct gcc_debug_hooks): New hooks ignore_block,
6786 outlining_inline_function and label.
6787 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6788 dwarf2out_frame_finish): New.
6789 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6790 Make static, update prototype.
6791 (dwarf2_debug_hooks): Update.
6792 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6793 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6794 * dwarfout.c (dwarf_debug_hooks): Update.
6795 * emit-rtl.c: Include debug.h.
6796 (remove_unnecessary_notes): Use debug hook.
6797 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6798 (final_scan_insn): Use debug hook.
6799 * integrate.c (output_inline_function): Use debug hook.
6800 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6801 (sdb_debug_hooks): Update.
6802 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6803 * toplev.c: Don't include xcoffout.h.
6804 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6805 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6807 * tree.h (dwarf2out_do_frame): Remove.
6809 2001-07-19 Catherine Moore <clm@cygnus.com>
6811 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6813 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6815 * reload1.c (eliminate_regs_in_insn): When updating a set
6816 to the frame pointer to the hardware frame pointer, perform
6817 the update always not just when REPLACE is set.
6819 * reload1.c (choose_reload_regs): Don't inherit a reload
6820 that crosses multiple registers if registers past the first
6821 don't fit in the desired class.
6823 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6824 when negating constants.
6826 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6828 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6829 * doc/tree.texi: Ditto.
6831 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6832 Jakub Jelinek <jakub@redhat.com>
6834 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6835 (extract_cie_info): Handle "eh" augmentation properly,
6837 (struct frame_state, __frame_state_for): New.
6839 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6841 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6842 HANDLE_SYSV_PRAGMA): Define.
6843 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6845 (copy_object): Caller changed.
6847 2001-07-19 Andreas Schwab <schwab@suse.de>
6849 * configure.in (assembler dwarf2 debug_line support): Define nop
6851 * configure: Regenerated.
6853 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6855 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6857 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6858 to conditionally compiled block.
6859 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6860 * dbxout.h (dbxout_function): Remove.
6861 * debug.c (do_nothing_debug_hooks): Update.
6862 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6863 global_decl, deferred_inline_function.
6864 * dwarf2out.c (dwarf2_debug_hooks): Update.
6865 (dwarf2out_global_decl): New.
6866 * dwarfout.c: Don't include dwarfout.h.
6867 (dwarfout_global_decl, dwarfout_function_decl,
6868 dwarfout_deferred_inline_function): New.
6869 (dwarf_debug_hooks): Update.
6870 * dwarfout.h: Remove.
6871 * final.c: Don't include dwarfout.h.
6872 * sdbout.c (sdbout_global_decl): New.
6873 (sdbout_debug_hooks): Update.
6874 * toplev.c: Don't include dwarfout.h.
6875 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6876 (note_deferral_of_defined_inline_function): Remove.
6877 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6878 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6879 * ch/lex.c: Don't include dwarfout.h.
6880 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6881 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6882 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6883 * cp/optimize.c: Include debug.h.
6884 (maybe_clone_body): Use debug hook.
6885 * cp/semantics.c: Include debug.h.
6886 (expand_body): Use debug hook.
6887 * po/POTFILES.in: Remove dwarfout.h.
6889 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6891 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6892 * c-parse.in (yyerror, _yylex): Similarly.
6893 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6894 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6896 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6897 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6899 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6901 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6902 in-class declaration at -g1. Fixes c++/2814.
6904 2001-07-18 Richard Henderson <rth@redhat.com>
6906 * doc/md.texi (reload_in/out): Document restrictions in predicates
6907 and constraints for these patterns. Document empty string matching
6910 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6912 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6914 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6916 * cse.c: Undo my previous patch.
6918 2001-07-18 Tom Tromey <tromey@redhat.com>
6921 * configure: Rebuilt.
6922 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6924 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6926 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6927 Jan Hubicka <jh@suse.cz>
6929 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6930 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6931 * jump.c (mark_jump_label): Do not forward branches.
6933 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6935 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6936 when return value is unused.
6938 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6940 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6942 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6944 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6945 on error. We can't blindly return the result of
6946 pthread_mutex_trylock because it returns a positive number on
6947 error, while we must return -1 on error.
6948 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6950 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6952 2001-07-18 Andreas Jaeger <aj@suse.de>
6954 * integrate.c (output_inline_function): Correct type of debug_hooks.
6956 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6958 * combine.c (combine_simplify_rtx): DIV can be treated
6959 associatively for floats if unsafe math optimisations are enabled.
6961 2001-07-17 Richard Henderson <rth@redhat.com>
6963 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6965 2001-07-17 Richard Henderson <rth@redhat.com>
6967 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6968 don't force the function address into a register.
6969 (expand_call, emit_library_call_value_1): Update callers.
6970 * builtins.c (expand_builtin_apply): Likewise.
6971 * expr.h (prepare_call_address): Update decl.
6973 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6975 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6977 * config/i386/chorus.h: Move up.
6978 * config/sparc/chorus.h: Likewise.
6979 * config/rs6000/chorus.h: Likewise.
6980 * config/chorus.h: Moved here.
6982 2001-07-17 Andreas Schwab <schwab@suse.de>
6984 * configure.in (assembler eh_frame optimization): Handle big
6986 * configure: Regenerated.
6988 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6990 * expr.c (epxand_expr): Convert divisions into multiplications by
6991 reciprocals if -ffast-math.
6993 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6995 * dbxout.c (dbxout_really_begin_function): Rename to
6996 dbxout_begin_function.
6997 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6998 (dbxout_begin_function): Remove.
6999 (dbxout_function): Update.
7000 (dbxout_source_line): Update prototype.
7001 * dbxout.h (dbxout_begin_function): Remove.
7002 * debug.c (do_nothing_debug_hooks): Update.
7003 (debug_nothing_tree): Update.
7004 (debug_nothing_charstar_rtx): Remove.
7005 * debug.h (union tree_node): Declare.
7006 (struct rtx_def): Remove.
7007 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7008 begin_function. Change source_line prototype.
7009 (debug_nothing_tree): New.
7010 (debug_nothing_charstar_rtx): Delete.
7011 (dwarf2out_begin_prologue): Moved from ...
7013 * dwarf2out.c (dwarf2_debug_hooks): Update.
7014 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7015 debug info, call dwarf2out_source_line.
7016 (dwarf2out_souce_line): Update prototype.
7017 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7018 Change prototype, make static.
7019 (dwarfout_source_line): Update prototype.
7020 (dwarf_debug_hooks): Update.
7021 * dwarfout.h (dwarfout_begin_function): Remove.
7022 * final.c (final_start_function, final_scan_insn): Use appropriate
7023 debug hooks, update to use notice_source_line.
7024 (output_source_line): Rename notice_source_line. Don't call the
7025 source_line debug hook.
7026 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7027 make static, update prototype.
7028 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7030 (sdbout_end_prologue): New.
7031 (sdbout_source_line): Update prototype.
7032 (sdbout_debug_hooks): Update.
7033 (sdbout_symbol): Remove unused var.
7034 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7036 * varasm.c: Include debug.h.
7037 (assemble_start_function): Use begin_function debug_hook.
7038 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7039 update with prototype.
7040 (xcoffout_source_line): Update prototype.
7041 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7043 (xcoffout_source_line): Update prototype.
7045 2001-07-17 Richard Henderson <rth@redhat.com>
7047 * c-typeck.c (build_binary_op): Do not shorten unsigned
7048 right shift after sign extension.
7050 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7052 * combine.c (combine_simplify_rtx): Attempt to simplify
7053 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7055 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7056 (simplify_binary_operation, simplify_unary_operation,
7057 simplify_relational_operation): Use it.
7059 * combine.c (combine_simplify_rtx): Don't do associative law
7060 on divisions; allow associative law on floats.
7062 2001-07-17 H.J. Lu <hjl@gnu.org>
7063 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7065 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7066 ASM_OUTPUT_WEAK_ALIAS are defined.
7067 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7068 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7070 * config/mips/iris5.h: ... here.
7071 (HANDLE_SYSV_PRAGMA): Defined as 1.
7072 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7073 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7076 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7078 * c-parse.in (all_prefix_attributes): New variable.
7079 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7080 (maybe_resetattrs): New production.
7081 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7082 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7083 notype_initdcl, nested_function, notype_nested_function,
7084 component_decl, components, components_notype,
7085 component_declarator, component_notype_declarator,
7086 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7087 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7088 after a comma being applied to more than one declarator.
7089 * doc/extend.texi (Attribute Syntax): Update. Remove
7090 documentation of bugs that are no longer present.
7092 2001-07-13 Eric Christopher <echristo@redhat.com>
7094 * config/mips/mips.h: Change TUNE_MIPS* options to use
7096 (EXTRA_SPECS): Add cc1_cpu_spec.
7097 * config/mips/mips.md (muldf3): Fix typo.
7099 2001-07-16 Richard Henderson <rth@redhat.com>
7101 * config/m68k/m68k.c: Include expr.h and reload.h.
7102 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7103 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7105 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7106 Richard Henderson <rth@redhat.com>
7108 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7109 (insn_live_p): Fix fall off end of function.
7110 (dead_libcall_p): Remove COUNTS argument; update callers.
7111 (delete_trivially_dead_insns): Remove unused variables.
7113 2001-07-17 Andreas Jaeger <aj@suse.de>
7115 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7118 * lcm.c (optimize_mode_switching): Avoid warning for unused
7119 variable if !NORMAL_MODE.
7121 * flow.c (try_crossjump_to_edge): Remove unused variable.
7123 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7125 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7126 atexit declaration in stdlib.h.
7128 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7130 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7132 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7134 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7135 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7136 do rebuild_jump_labels instead of jump_optimize
7137 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7138 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7139 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7141 * flow.c: Include timevar.h
7142 (find_basic_block): Push/pop timevar;
7143 (cleanup_cfg): Likewise.
7144 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7145 * Makefile: Add dependencies on timevar.h
7147 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7148 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7150 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7151 * toplev.c (rest_of_compilation): Update calls.
7152 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7153 (delete_trivially_dead_insns): ... here; accept new argument
7154 preserve_basic_blocks; preserve basic blocks if set.
7156 * reg-stack.c (stack_regs_mentioned): Return 0 if
7157 stack_regs_mentioned_data is not initialized.
7158 (reg_to_stack): Make stack_regs_mentioned survive after the
7159 reg-stack is completted; do not call cleanup_cfg.
7160 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7161 make cleanup_cfg after bb-reorder to output to debug file.
7163 2001-07-16 Richard Henderson <rth@redhat.com>
7165 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7166 from int_reg_class_contents.
7168 2001-07-16 Richard Henderson <rth@redhat.com>
7170 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7171 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7172 (init_reg_sets_1): Move initialization from cse_main.
7173 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7174 (cse_main): Move its initialization also.
7175 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7176 * flow.c (propagate_one_insn): Likewise.
7177 * gcse.c (compute_hash_table): Likewise.
7178 (compute_kill_rd, compute_store_table): Likewise.
7179 * sched-deps.c (sched_analyze_1): Likewise.
7181 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7183 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7186 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7188 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7189 in if statement so we don't access undefined memory.
7191 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7193 * gcse.c: Update comment at top.
7194 Update comment on mem handling.
7195 mem_last_set, mem_first_set, mem_set_in_block: gone.
7196 Declaration of reg_set_info: gone.
7197 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7198 pointless with load_killed_in_block_p (they are *more*
7199 conservative then it, not less, and less accurate).
7200 (oprs_not_set_p): Ditto.
7201 (alloc_gcse_mem): Don't allocate mem_set_in_block
7202 (free_gcse_mem): Don't free it, either.
7203 (record_last_mem_set_info): Update comment in front, remove
7204 mem_*set_* stuff. Note the reason we don't handle stores directly
7206 (compute_hash_table): Update comments to reflect reality. Remove
7207 mem_*set_* references.
7208 (reset_opr_set_tables): Remove mem_*set_* references.
7210 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7211 (mark_clobber): Ditto (on both parts, we double set here too).
7212 (expr_killed_p): Remove mem_set_in_block test.
7213 (compute_transp): Remove mem_set_in_block test.
7215 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7216 of edge, and removal of phi alternative to dump file.
7217 (ssa_ccp_substitute_constants): Add note about register now being
7218 constant, and which uses were replaced in what insns to dump file.
7220 2001-07-16 Andreas Jaeger <aj@suse.de>
7222 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7223 variables of type HOST_WIDEST_INT.
7225 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7226 (__bb_exit_func): Correct type of count_max to avoid overflow.
7227 (num_digits): Handle long long argument.
7229 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7231 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7233 * output.h (sdb_begin_function_line): Restore as an extern
7235 * sdbout.c (sdb_begin_function_line): Make extern.
7237 2001-07-15 Richard Henderson <rth@redhat.com>
7239 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7240 * genrecog.c (maybe_both_true_mode): New.
7241 (maybe_both_true_2): Use it.
7242 (write_switch): Don't put Pmode in a switch.
7243 * rtl.c (mode arrays): Don't explicitly size them.
7245 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7247 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7248 handling; move unconditional splitting before mode switching.
7250 * i386.md (type): Add fistp type.
7251 (i387, length_attr, scheduling definitions): Handle this type.
7252 (fix_trunc?f?i2): Revamp to use mode switching.
7253 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7254 * i386.h (fp_cw_mode): New enum
7255 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7256 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7258 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7260 * Makefile.in (integrate.o): Add debug.h.
7261 * integrate.c (debug.h): Add.
7262 (output_inline_function): Save, reset, and restore debug_hooks.
7264 2001-07-15 Richard Henderson <rth@redhat.com>
7266 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7267 instead of COMPARE for the EQUIV expression.
7269 2001-07-15 Richard Henderson <rth@redhat.com>
7271 * flow.c (redirect_edge_and_branch_force): Initialize
7272 global_live_at_start and global_live_at_end.
7273 (allocate_bb_life_data): Export.
7274 * basic-block.h (allocate_bb_life_data): Declare.
7275 * toplev.c (rest_of_compilation): Call it.
7277 2001-07-15 Richard Henderson <rth@redhat.com>
7279 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7280 (alpha_tablejump_best_label): New.
7281 * config/alpha/alpha-protos.h: Declare them.
7282 * config/alpha/alpha.md: Use braced strings for code blocks.
7283 (tablejump_osf): Break out add with r29.
7284 (tablejump_osf_internal): Remove.
7285 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7286 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7288 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7290 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7293 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7295 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7296 (ix86_fp_jump_nontrivial_p): New.
7297 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7298 use ix86_fp_jump_nontrivial_p.
7299 * i386.c (ix86_fp_jump_nontrivial_p): New.
7300 (ix86_split_fp_branch): Accept code instead of rtx.
7301 (ix86_expand_compare): Expand comparison early in case
7302 doing so is resonably cheap.
7304 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7306 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7308 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7309 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7311 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7313 * dbxout.c (dbxout_source_line): Make static, update prototype.
7314 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7315 (dbxout_init, dbxout_finish, dbxout_source_line,
7316 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7317 * dbxout.h (dbxout_source_line): Delete.
7318 * debug.c (debug_nothing_file, debug_nothing_file_int,
7319 debug_nothing_file_charstar_rtx): New.
7320 (do_nothing_debug_hooks): Update.
7321 (debug_nothing_void, debug_nothing_charstar_rtx,
7322 dwarf2out_end_epilogue): New.
7323 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7324 * debug.h (struct rtx_def): Declare.
7325 (gcc_debug_hooks): New hooks source_line, end_epilogue
7327 (debug_nothing_void, debug_nothing_charstar_rtx,
7328 dwarf2out_end_epilogue): New.
7329 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7330 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7331 (dwarf2_debug_hooks): Update.
7332 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7333 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7334 * dwarf2out.h (dwarf2out_source_line): Remove.
7335 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7336 Make static, update prototype.
7337 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7338 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7339 (dwarf_debug_hooks): Update.
7340 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7341 dwarfout_end_function): Remove.
7342 * final.c (profile_function): Use debug hooks for ending functions
7344 (output_source_line, final_end_function): Update prototype,
7346 (final_start_function, final_scan_insn): Update.
7347 * output.h (sdb_begin_function_line): Remove.
7348 (final_end_function): Update prototype.
7349 * sdbout.c (sdb_begin_function_line): Make static.
7350 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7351 (sdbout_source_line): New.
7352 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7354 (sdb_debug_hooks): Update.
7355 (sdbout_init, sdbout_source_line,
7356 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7357 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7358 * toplev.c (compile_file, rest_of_compilation): Update.
7359 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7360 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7361 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7362 Update for prototype changes.
7363 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7364 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7366 2001-07-15 Richard Henderson <rth@redhat.com>
7368 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7369 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7370 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7371 * config/alpha/alpha.c: Likewise.
7372 * config/alpha/alpha.md: Likewise.
7373 * config/alpha/alpha32.h: Likewise.
7374 * config/alpha/vms.h: Likewise.
7377 2001-07-14 Richard Henderson <rth@redhat.com>
7379 * config/alpha/alpha.md: Use define_constants for unspec values.
7380 Substitute throughout.
7382 2001-07-14 Tim Josling <tej@melbpc.org.au>
7384 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7386 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7388 * pa.md: Remove unused constraints from define_split's.
7390 2001-04-14 Richard Henderson <rth@redhat.com>
7392 * ifcvt.c (find_cond_trap): Test for exit block.
7394 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7396 Re-install recently reverted patch.
7397 * emit-rtl.c (try_split): Update mark_jump_label call.
7398 * flow.c (find_sub_basic_blocks): Likewise.
7399 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7401 (mark_all_labels): Kill second parameter.
7402 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7403 (rebuild_jump_labels, jump_optimize_minimal): Update call
7405 (jump_optimize_1): Kill crossjumping code.
7406 (mark_jump_label): Kill cross_jump parameter.
7407 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7408 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7409 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7411 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7413 (dump_file_info): Likewise.
7414 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7415 reorganize passes to do reg-stack first, bb-reorder second.
7416 * invoke.texi (-d letters doc): Remove the jump2 pass.
7418 2001-07-14 Richard Henderson <rth@redhat.com>
7420 * ifcvt.c (find_cond_trap): New.
7421 (find_if_header): Call it.
7422 (merge_if_block): Relax existing jump sanity check.
7423 * jump.c (jump_optimize_1): Remove conditional trap handling.
7425 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7427 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7429 (insn_refs_are_delayed): Correct comment.
7430 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7431 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7432 instead of r31. Make associated insn !TARGET_64BIT, and
7433 provide an additional 64-bit insn that clobbers r2.
7435 (udivsi3): Likewise.
7437 (umodsi3): Likewise.
7439 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7441 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7443 * flow.c (redirect_edge_and_branch_force, split_edge,
7444 try_crossjump_to_edge): Use set_block_for_new_insns.
7445 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7447 2001-07-13 H.J. Lu (hjl@gnu.org)
7449 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7452 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7454 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7456 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7458 * c-common.c (decl_attributes): Take a pointer to the node to
7459 which attributes are to be attached, and a flags argument.
7460 * c-common.h (enum attribute_flags): New.
7461 (decl_attributes): Update prototype.
7462 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7463 finish_enum, start_function): Update calls to decl_attributes.
7464 * c-parse.in (component_declarator, component_notype_declarator,
7465 label): Update calls to decl_attributes.
7467 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7469 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7470 * config/avr/avr.c (legitimate_address_p): Return value changed
7471 from letter to register classes. For better debugging.
7473 2001-07-13 Kazu Hirata <kazu@hxi.com>
7475 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7477 2001-07-13 H.J. Lu (hjl@gnu.org)
7479 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7481 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7483 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7484 correctly for shared configurations.
7485 * config/t-libgcc-pic: New.
7486 * config/{i386,m68k,sparc}/t-openbsd: New.
7487 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7488 Support -shared. Support debugging libraries with -g.
7489 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7490 frame information does not emit pointer diffs.
7491 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7494 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7496 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7498 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7500 * combine.c (try_combine): Ensure const_int pow2 is positive.
7502 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7504 * config.gcc: Add configuration for s/390.
7505 * config/s390/s390.c: New. Subroutines for code generation.
7506 * config/s390/s390.h: New. Definitions for s/390.
7507 * config/s390/s390-protos.h: New. Prototypes.
7508 * config/s390/linux.h: New. Definitions for linux for s/390.
7509 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7510 * config/s390/t-linux: New. Makefile fragment.
7511 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7512 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7514 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7516 * emit-rtl.c (try_split): Update mark_jump_label call.
7517 * flow.c (find_sub_basic_blocks): Likewise.
7518 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7520 (mark_all_labels): Kill second parameter.
7521 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7522 (rebuild_jump_labels, jump_optimize_minimal): Update call
7524 (jump_optimize_1): Kill crossjumping code.
7525 (mark_jump_label): Kill cross_jump parameter.
7526 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7527 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7528 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7530 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7532 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7533 reorganize passes to do reg-stack first, bb-reorder second.
7534 * invoke.texi (-d letters doc): Remove the jump2 pass.
7536 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7538 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7540 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7542 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7544 (verify_flow_info): Make diagnostics prettier.
7546 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7548 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7550 * flow.c (outgoing_edges_match): Return early if condition reversal
7553 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7555 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7556 (mips_move_2words): When splitting a move into two instructions,
7557 prefix the second address operand with '%D'.
7559 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7561 * Makefile.in (final.o): Depend on debug.h.
7562 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7563 (dbx_debug_hooks): Add new hooks.
7564 (xcoff_debug_hooks): New.
7565 * debug.c (debug_nothing_file_int_int): New.
7566 (do_nothing_debug_hooks): Update.
7567 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7568 (debug_nothing_file_int_int): New.
7569 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7570 static, update prototype.
7571 (dwarf2_debug_hooks): Update.
7572 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7573 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7574 static, update prototype.
7575 (dwarf_debug_hooks): Update.
7576 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7577 * final.c: Include debug.h.
7578 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7579 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7580 static, update prototype.
7581 (sdb_debug_hooks): Update.
7582 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7583 * toplev.c: Distinguish between xcoff and dbx.
7585 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7586 Call all debug hooks, not just dwarf ones.
7588 2001-07-11 Timothy Wall <twall@redhat.com>
7590 * config.gcc: Add configuration for AIX5/IA64.
7591 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7592 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7593 support prefix/suffix code.
7594 * config/ia64/t-aix: New. Makefile fragment.
7595 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7597 2001-07-11 Kazu Hirata <kazu@hxi.com>
7599 * recog.c (validate_change): Fix a comment typo.
7601 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7603 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7604 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7606 * dbxout.c (dbx_debug_hooks): Add new hooks.
7607 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7609 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7611 * dbxout.h (dbxout_start_new_source_file,
7612 dbxout_resume_previous_source_file): Delete.
7613 * debug.c (do_nothing_debug_hooks): Add new hooks.
7614 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7615 (debug_nothing_int_charstar, debug_nothing_int): New.
7616 * debug.h (gcc_debug_hooks): New hooks define, undef,
7617 start_source_file and end_source_file.
7618 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7619 (debug_nothing_int_charstar, debug_nothing_int): New.
7620 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7621 the conditionally compiled section.
7622 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7623 dwarf2out_define, dwarf2out_undef): Make static.
7624 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7625 dwarf2out_define, dwarf2out_undef): Remove.
7626 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7627 (dwarfout_start_source_file, dwarfout_end_source_file,
7628 dwarfout_define, dwarfout_undef): Make static.
7629 (dwarfout_start_source_file_check,
7630 dwarfout_end_source_file_check): New.
7631 (dwarfout_define, dwarfout_finish): Update.
7632 * dwarfout.h (dwarfout_start_new_source_file,
7633 dwarfout_resume_previous_source_file, dwarfout_define,
7634 dwarfout_undef): Remove.
7635 * sdbout.c (sdb_debug_hooks): Add new hooks.
7636 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7638 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7639 make static, take an arg.
7640 * sdbout.h (sdbout_start_new_source_file,
7641 sdbout_resume_previous_source_file): Delete.
7642 * toplev.c (debug_start_source_file, debug_end_source_file,
7643 debug_define, debug_undef): Delete.
7644 * toplev.h (debug_start_source_file, debug_end_source_file,
7645 debug_define, debug_undef): Delete.
7647 * java/jcf-parse.c: Include debug.h.
7648 (parse_class_file): Update to use debug hooks directly.
7649 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7651 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7653 * alias.c (set_mem_alias_set): New function.
7654 * rtl.h (set_mem_alias_set): Declare it.
7655 * builtins.c (expand_builtin_return_addr): Call it instead of
7656 using MEM_ALIAS_SET accessor.
7657 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7658 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7659 (expand_builtin_va_copy):Likewise.
7660 * caller-save.c (setup_save_areas): Likewise.
7661 * calls.c (compute_argument_addresses): Likewise.
7662 * explow.c (set_mem_attributes): Likewise.
7663 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7664 (expand_assignment, store_constructor_field, store_field): Likewise.
7665 (expand_expr_unaligned): Likewise.
7666 * function.c (assign_stack_temp_for_type): Likewise.
7667 (put_reg_into_stack, gen_mem_addressof): Likewise.
7668 * ifcvt.c (noce_try_cmove_arith): Likewise.
7669 * reload1.c (reload, alter_reg): Likewise.
7670 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7671 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7672 (alpha_expand_unaligned_store): Likewise
7673 (alpha_expand_unaligned_load_words): Likewise.
7674 (alpha_expand_unaligned_store_words): Likewise.
7675 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7676 (alpha_expand_epilogue): Likewise.
7677 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7678 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7679 * config/i386/i386.c (legitimize_pic_address): Likewise.
7680 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7681 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7682 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7683 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7684 * config/mips/mips.c (mips_va_arg): Likewise.
7685 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7686 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7687 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7688 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7689 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7690 (rs6000_emit_epilogue): Likewise.
7691 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7692 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7693 * config/v850/v850.c (v850_va_arg): Likewise.
7695 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7697 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7698 when fallthru edge is present.
7699 (mege_blocks): Handle case where creation of jump insn
7702 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7703 CLEANUP_POST_REGSTACK): New constants.
7704 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7705 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7706 * output.h (cleanup_cfg): Update prototype.
7707 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7708 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7709 cleanup_cfg call; kill missleading comment.
7710 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7711 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7712 parameter; control optimizations performed using it.
7713 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7714 try_crossjump_bb): New functions.
7716 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7718 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7720 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7721 pa_output_function_prologue.
7722 * pa-protos.h (pa_output_function_prologue): New prototype.
7724 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7726 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7727 and low to get correct sign extension in low+high test.
7729 2001-07-11 Janis Johnson <janis@us.ibm.com>
7731 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7732 for large hit count.
7734 * profile.c (branch_prob): Fix .bbg info for computed gotos
7737 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7739 * stmt.c (parse_output_constraint): New function, split out
7741 (expand_asm_operands): ... here. Use parse_output_constraint.
7742 * tree.h (parse_output_constraint): Declare it.
7744 2001-07-11 Richard Henderson <rth@redhat.com>
7746 * bitmap.c: Comment some functions; fiddle whitespace.
7747 (bitmap_free): Don't export.
7748 (bitmap_element_allocate): Use memset.
7749 * bitmap.h (bitmap_free): Don't declare.
7751 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7753 * gcse.c, lcm.c, sched-deps.c:
7754 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7756 * flow.c (flow_loops_find): Free dom if we found no loops, since
7757 we aren't going to save it.
7759 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7762 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7764 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7766 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7768 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7769 #ifndef DWARF2_DEBUGGING_INFO.
7771 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7773 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7775 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7777 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7778 reverse a branch if a NE comparison is implemented with GTU.
7780 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7781 H.J. Lu <hjl@gnu.org>
7783 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7785 (call_internal2): Likewise.
7786 (call_value_internal1): Likewise.
7787 (call_value_internal2): Likewise.
7788 (call_value_multiple_internal1): Likewise.
7789 (call_value_multiple_internal2): Likewise.
7791 2001-07-10 Kazu Hirata <kazu@hxi.com>
7793 * calls.c (emit_library_call_value_1): Fix a comment typo.
7794 * dwarf2out.c (mem_loc_descriptor): Likewise.
7795 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7797 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7799 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7801 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7803 * recog.c (offsettable_address_p): Handle LO_SUM case.
7804 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7805 instead of plus_constant.
7807 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7809 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7810 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7812 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7814 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7815 adjust_address_nv instead of plus_constant.
7817 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7819 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7820 dwarf2out.o): Depend on debug.h, wrap long lines.
7821 * dbxout.c: Include debug.h.
7822 (dbx_debug_hooks): New.
7823 (dbxout_init): Make static, take just 2 args.
7824 (dbxout_finish): Make static.
7825 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7826 * debug.c: New file.
7827 * debug.h: New file.
7828 * dwarf2out.c: Include debug.h.
7829 (dwarf2_debug_hooks): New.
7830 (dwarf2out_init): Make static.
7831 (dwarf2out_finish): Make static, take 2 args.
7832 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7833 * dwarfout.c: Include debug.h.
7834 (dwarf_debug_hooks): New.
7835 (dwarfout_init): Make static.
7836 (dwarfout_finish): Make static, take 2 args.
7837 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7838 * sdbout.c: Include debug.h.
7839 (sdb_debug_hooks): New.
7840 (sdbout_init): Make static, take 2 args.
7841 * sdbout.h (sdbout_init): Delete.
7842 * toplev.c: Include debug.h.
7844 (compile_file): Set deubg_hooks based on command line options.
7845 Use the hooks unconditionally rather than conditional compilation.
7847 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7849 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7850 first_insn_after_basic_block_note instead.
7852 * df.c (df_bb_refs_unlink): #if 0 out for now.
7854 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7856 * ssa.h: Add prototype for ssa_const_prop
7857 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7858 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7859 (ssa_fast_dce): Remove unused variable
7861 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7863 * diagnostic.c (finish_diagnostic): Rename to
7864 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7867 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7869 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7872 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7873 (dump_file): Only pad the demangled name with spaces if the
7874 mangled name was padded with spaces.
7876 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7878 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7881 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7883 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7884 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7887 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7888 whether can put offset inside LO_SUM to check mode alignment, not size.
7890 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7892 * doc/tm.texi (Misc): Fix thinko.
7894 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7896 * regmove.c (replace_in_call_usage): Fix warnings.
7897 * sched-deps.c (add_dependence): Fix warnings.
7898 * simplify-rtx.c (simplify_subreg): Likewise.
7899 Return NULL_RTX instead of NULL.
7901 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7902 (subst_asm_stack_regs): Likewise.
7904 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7907 * dwarf2out.c (output_call_frame_info): Declare i as int.
7908 (build_abbrev_table): Declare n_alloc as int.
7909 (dwarf2out_finish): Initialize die.
7910 * except.c: Declare sjlj_funcdef_number as unsigned.
7911 (connect_post_landing_pads): Declare j as unsigned.
7912 (convert_to_eh_region_ranges): Initialize call_site.
7913 (output_function_exception_table): Initialize tt_format_size.
7914 * expr.c (move_by_pieces_1): Initialize to1.
7915 (store_constructor): Initialize minelt and maxelt.
7916 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7917 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7919 * c-decl.c (combine_parm_decls): Unused, remove.
7920 * c-tree.h: Remove prototype for combine_parm_decls.
7922 * reload.c (push_reload): Fix warning.
7923 (regno_clobbered_p): Likewise.
7924 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7925 (reload_combine): Likewise.
7927 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7928 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7930 * bitmap.c (bitmap_operation): Change user.
7931 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7933 2001-07-10 Eric Christopher <echristo@redhat.com>
7935 * config/mips/mips.c (override_options): Fix typo.
7937 2001-07-09 Stan Shebs <shebs@apple.com>
7939 * target.h (struct gcc_target): New fields init_builtins and
7941 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7942 (TARGET_EXPAND_BUILTIN): New macro.
7943 (TARGET_INITIALIZER): Add them.
7944 * builtins.c: Include target.h.
7945 (expand_builtin): Use targetm.expand_builtin.
7946 (default_init_builtins): New function.
7947 (default_expand_builtin): New function.
7948 * expr.h (default_init_builtins): Declare.
7949 (default_expand_builtin): Declare.
7950 * c-common.c (c_common_nodes_and_builtins): Use
7951 targetm.init_builtins.
7952 * defaults.h (MD_INIT_BUILTINS): Remove.
7953 * Makefile.in (builtins.o): Depend on target.h.
7955 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7956 (TARGET_EXPAND_BUILTIN): Define.
7957 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7958 (MD_EXPAND_BUILTIN): Remove.
7960 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7961 (TARGET_EXPAND_BUILTIN): Define.
7962 (c4x_init_builtins): Make endlink arg a local.
7963 (c4x_print_operand): Fix typos in adjust_address usages.
7964 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7965 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7966 (MD_EXPAND_BUILTIN): Remove.
7968 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7969 (TARGET_EXPAND_BUILTIN): Define.
7970 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7971 (ix86_init_builtins): Call new function only if TARGET_MMX.
7972 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7973 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7974 (MD_EXPAND_BUILTIN): Remove.
7976 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7977 (TARGET_EXPAND_BUILTIN): Define.
7978 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7979 (MD_EXPAND_BUILTIN): Remove.
7981 * doc/tm.texi: Document these changes.
7983 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7985 * basic-block.h (tree_node): Forward declare if needed.
7986 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7987 (BLOCK_HEAD_TREE): Define.
7988 (BLOCK_END_TREE): Define.
7989 (struct loops): Rename field 'tree' to 'tree_root'.
7990 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7992 (flow_loops_tree_build): Rename reference to field 'tree' to
7994 (flow_loops_level_compute): Ditto.
7995 * predict.c (estimate_bb_frequencies): Ditto.
7996 * tree.h (struct tree_common): Add field 'aux'.
7998 2001-07-09 Stan Shebs <shebs@apple.com>
8000 * config/darwin.c (darwin_encode_section_info): Don't mark any
8001 DECL_EXTERNAL node as defined.
8003 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8005 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8006 pa_free_machine_status, hppa_init_pic_save): Delete.
8007 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8008 (hppa_profile_hook): Use hppa_pic_save_rtx.
8009 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8010 hppa_init_pic_save): Delete.
8011 (hppa_pic_save_rtx): Declare.
8012 * pa.md (call, call_value, sibcall, sibcall_value,
8013 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8015 2001-07-09 Kazu Hirata <kazu@hxi.com>
8017 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8018 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8020 2001-07-09 Andreas Jaeger <aj@suse.de>
8022 * output.h: Add declaration of final_forward_branch_p.
8024 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8026 * varray.c: Include errors.h for internal_error and trim_filename
8029 * Makefile.in (varray.o): Add errors.h.
8031 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8033 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8034 * optabs.c (have_add2_insn): Check whether the add insn chosen
8035 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8036 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8038 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8040 * Makefile.in (OBJS): Add ssa-ccp.o
8041 (ssa-ccp.o): Add dependencies.
8042 * toplev.c (DFI_ssa_ccp): New dump file enum.
8043 (dump_file): Add entry for dumping after SSA CCP.
8044 (flag_ssa_ccp): New flag variable.
8045 (f_options): Add -fssa-ccp.
8046 (rest_of_compilation): Run SSA CCP if requested.
8047 * timevar.def (TV_SSA_CCP): New timevar.
8048 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8049 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8050 Fix minor typo in SSA DCE documentation.
8051 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8052 Add documentation for new dump option. Renumber dump files
8055 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8057 * emit-rtl.c (gen_highpart_mode): New.
8058 * rtl.h (gen_highpart_mode): Declare.
8059 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8060 operand can be VOIDmode constant.
8062 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8064 * flow.c (redirect_edge_and_branch_force): New.
8065 (can_fallthru): Ensure that basic blocks are succeeding.
8066 (try_optimize_cfg): Do not delete basic block if it is the last one.
8068 * flow.c (try_redirect_by_replacing_jump): Do not remove
8069 jumps with side effects, unlink chain on fallthru edge;
8070 set block for new jump instruction; avoid basic block to
8071 over by line number note.
8073 * flow.c (try_simplify_condjump): Verify that the condjump
8074 is not always falling trought.
8077 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8079 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8080 (try_redirect_by_replacing_jump): Update properly the count
8081 and frequency information.
8083 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8085 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8086 address that is a LO_SUM specially.
8087 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8089 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8091 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8092 (operand_subword): Use them.
8093 (change_address_1): Renamed from change_address; new arg VALIDATE.
8094 * expr.h: Reflect above changes; change_address now macro.
8095 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8097 * cselib.c (add_mem_for_addr): Likewise.
8098 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8099 * regmove.c (try_apply_stack_adjustment): Likewise.
8100 * reload.c (push_reload, make_memloc): Likewise.
8101 * reload1.c (eliminate_regs): Likewise.
8102 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8103 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8105 * combine.c (make_extraction, simplify_shift_const): Likewise.
8106 (gen_lowpart_for_combine): Likewise.
8107 * cse.c (gen_lowpart_if_possible): Likewise.
8108 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8109 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8110 * optabs.c (gen_move_insn): Likewise.
8111 * reload1.c (alter_reg): Likewise.
8112 * simplify-rtx.c (simplify_subreg): Likewise.
8113 * stmt.c (expand_anon_union_decl): Likewise.
8114 * recog.c (validate_replace_rtx_1): Likewise.
8116 * Makefile.in (recog.o): Add $(EXPR_H).
8117 * explow.c (stabilize): Call replace_equiv_address.
8118 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8119 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8121 2001-07-03 Andrew Haley <aph@redhat.com>
8123 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8124 the mode of the memory location.
8126 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8128 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8130 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8132 * final.c (output_addr_const): Use target opening and
8133 closing parentheses.
8134 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8135 defaults, add to TARGET_ASM_OUT.
8136 * target.h (struct gcc_target): Add open_paren and close_paren.
8137 * doc/md.texi: Update.
8138 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8139 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8140 TARGET_ASM_CLOSE_PAREN.
8141 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8143 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8145 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8146 * config/a29k/a29k.h: Similarly.
8147 * config/alpha/alpha.h: Similarly.
8148 * config/arc/arc.h: Similarly.
8149 * config/arm/aof.h: Similarly.
8150 * config/arm/aout.h: Similarly.
8151 * config/avr/avr.h: Similarly.
8152 * config/c4x/c4x.h: Similarly.
8153 * config/clipper/clipper.h: Similarly.
8154 * config/convex/convex.h: Similarly.
8155 * config/d30v/d30v.h: Similarly.
8156 * config/dsp16xx/dsp16xx.h: Similarly.
8157 * config/elxsi/elxsi.h: Similarly.
8158 * config/fr30/fr30.h: Similarly.
8159 * config/h8300/h8300.h: Similarly.
8160 * config/i370/i370.h: Similarly.
8161 * config/i386/i386.h: Similarly.
8162 * config/i860/i860.h: Similarly.
8163 * config/i960/i960.h: Similarly.
8164 * config/ia64/ia64.h: Similarly.
8165 * config/m32r/m32r.h: Similarly.
8166 * config/m68hc11/m68hc11.h: Similarly.
8167 * config/m68k/m68k.h: Similarly.
8168 * config/m88k/m88k.h: Similarly.
8169 * config/mcore/mcore.h: Similarly.
8170 * config/mips/mips.h: Similarly.
8171 * config/mn10200/mn10200.h: Similarly.
8172 * config/mn10300/mn10300.h: Similarly.
8173 * config/ns32k/ns32k.h: Similarly.
8174 * config/pa/pa.h: Similarly.
8175 * config/pdp11/pdp11.h: Similarly.
8176 * config/pj/pj.h: Similarly.
8177 * config/romp/romp.h: Similarly.
8178 * config/rs6000/rs6000.h: Similarly.
8179 * config/sh/sh.h: Similarly.
8180 * config/sparc/sparc.h: Similarly.
8181 * config/v850/v850.h: Similarly.
8182 * config/vax/vax.h: Similarly.
8183 * config/we32k/we32k.h: Similarly.
8185 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8187 * doc/c-tree.texi: Document representation of attributes.
8189 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8191 * doc/tm.texi: Update some places for the rename of target to
8194 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8196 * target.h (struct gcc_target): Add insert_attributes.
8197 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8198 (TARGET_INITIALIZER): Update.
8199 * tree.c, tree.h (default_insert_attributes): New function.
8200 Update comments on other default functions to refer to targetm,
8202 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8203 TARGET_INSERT_ATTRIBUTES.
8204 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8205 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8206 Don't use PRAGMA_INSERT_ATTRIBUTES.
8207 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8208 * c-decl.c (start_decl, start_function): Don't call
8209 SET_DEFAULT_DECL_ATTRIBUTES.
8210 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8211 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8213 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8214 (c4x_check_attribute): Avoid modifying attribute list itself.
8215 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8217 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8218 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8220 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8221 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8223 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8224 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8226 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8227 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8228 Adjust parameters. Make static.
8230 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8232 * c-common.c (decl_attributes): Only take a single attributes
8234 * c-common.h (decl_attributes): Update prototype.
8235 * c-decl.c (start_decl, start_function): Only take a single
8236 attributes parameter. Update calls to decl_attributes.
8237 (finish_struct, finish_enum): Update calls to decl_attributes.
8238 (push_parm_decl): Expect unified list of attributes. Update call
8240 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8241 notype_nested_function, component_declarator,
8242 component_notype_declarator, label): Update calls to
8244 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8245 lists that are passed to push_parm_decl.
8246 * c-tree.h (start_function, start_decl): Update prototypes.
8247 * config/sh/sh-protos.h, config/sh/sh.c
8248 (sh_pragma_insert_attributes): Only take a single attributes
8250 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8251 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8252 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8253 build_module_descriptor, generate_static_references,
8254 generate_strings, build_selector_translation_table,
8255 generate_descriptor_table, generate_protocols,
8256 generate_ivars_list, generate_dispatch_table,
8257 generate_protocol_list, generate_category,
8258 generate_shared_structures, really_start_method, add_objc_decls,
8259 generate_classref_translation_entry): Update calls to start_decl
8261 (build_tmp_function_decl, start_method_def): Unify attribute lists
8262 that are passed to push_parm_decl.
8264 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8266 * final.c (no_asm_to_stream): New.
8267 (final_scan_insn): Use target structures for prologue ends
8268 and epilogue starts.
8269 * output.h (no_asm_to_stream): New.
8270 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8271 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8272 (TARGET_ASM_OUT): Update.
8273 * target.h (struct gcc_target): New members function_end_prologue
8274 and function_begin_epilogue.
8275 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8276 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8277 * config/alpha/alpha.c (output_end_prologue): Rename to
8278 alpha_output_function_end_prologue. Use in target struct
8280 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8281 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8282 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8283 ia64_output_function_end_prologue. Use in target struct
8285 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8286 mistyped prototypes.
8287 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8288 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8290 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8291 an use in target struct, make static.
8292 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8295 2001-07-08 Richard Henderson <rth@redhat.com>
8297 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8299 2001-07-08 Richard Henderson <rth@redhat.com>
8301 * config/i386/i386.md: Remove constraints strings from define_split
8302 and define_peephole2 patterns.
8303 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8304 (eh_return): Use them.
8306 2001-07-08 Richard Henderson <rth@redhat.com>
8308 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8309 Document MD_FALLBACK_FRAME_STATE_FOR.
8311 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8313 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8314 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8316 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8318 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8320 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8321 of the label inside NAME as opposed to just the end of NAME.
8323 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8325 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8326 * config/alpha/alpha.c (alpha_init_machine_status,
8327 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8328 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8329 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8330 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8332 2001-07-06 Stan Shebs <shebs@apple.com>
8334 * target.h (targetm): Rename global from "target", so as not to
8335 conflict with local variables.
8337 * c-typeck.c: Ditto.
8341 * cp/decl2.c: Ditto.
8342 * cp/typeck.c: Ditto.
8343 * 1750a/1750a.c: Ditto.
8344 * a29k/a29k.c: Ditto.
8348 * clipper/clipper.c: Ditto.
8349 * convex/convex.c: Ditto.
8350 * d30v/d30v.c: Ditto.
8351 * dsp16xx/dsp16xx.c: Ditto.
8352 * elxsi/elxsi.c: Ditto.
8353 * fr30/fr30.c: Ditto.
8354 * h8300/h8300.c: Ditto.
8355 * i370/i370.c: Ditto.
8356 * i386/i386.c: Ditto.
8357 * i860/i860.c: Ditto.
8358 * i960/i960.c: Ditto.
8359 * ia64/ia64.c: Ditto.
8360 * m32r/m32r.c: Ditto.
8361 * m68hc11/m68hc11.c: Ditto.
8362 * m68k/m68k.c: Ditto.
8363 * m88k/m88k.c: Ditto.
8364 * mips/mips.c: Ditto.
8365 * ns32k/ns32k.c: Ditto.
8367 * pdp11/pdp11.c: Ditto.
8368 * romp/romp.c: Ditto.
8369 * rs6000/rs6000.c: Ditto.
8371 * sparc/sparc.c: Ditto.
8373 * we32k/we32k.c: Ditto.
8374 * doc/tm.texi: Update the manual to match.
8376 2001-07-06 Richard Henderson <rth@redhat.com>
8378 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8379 DWARF2_UNWIND_INFO not just whether it is defined.
8381 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8383 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8384 call to simplify_binary_operation returns a new pattern.
8386 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8388 * glimits.h (__SHRT_MAX__): New.
8389 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8390 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8392 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8394 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8397 2001-07-06 Richard Henderson <rth@redhat.com>
8399 * bitmap.c (bitmap_release_memory): Move adjacent to the
8400 allocation functions.
8401 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8402 the implementation. Binary search for the set bit.
8403 (bitmap_union_of_diff): Allocate the temporary on the stack
8404 instead of using xmalloc.
8406 2001-07-06 Richard Henderson <rth@redhat.com>
8408 * genrecog.c (validate_pattern): Warn for constraints in
8409 define_{expand,split,peephole2}. Remove strict_low_part
8410 before looking up match_dup.
8412 2001-07-06 DJ Delorie <dj@redhat.com>
8414 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8415 chapter about various build hints and history. Add section
8416 talking about the various types of native and cross builds.
8418 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8420 * Makefile.in (final.o): Depend on target.h.
8421 * final.c: Include target.h.
8422 (default_function_pro_epilogue): New.
8423 (final_start_function): Use target structure for function prologues.
8424 (final_end_function): Use target structure for function epilogues.
8425 * fold-const.c (real_hex_to_f): Constify s and p.
8426 * output.h (default_function_pro_epilogue): New.
8427 * real.h (real_hex_to_f): Update prototype.
8428 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8429 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8430 (TARGET_INITIALIZER): Update.
8431 * target.h (gcc_target): Add struct asm_out.
8432 * doc/tm.texi: Update.
8435 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8436 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8437 in cpu/cpu.c, or rename old functions consistently. Take
8438 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8439 redundant macros and prototypes. Make new functions static.
8441 * 1750a/1750a.c: Similarly.
8442 * 1750a/1750a.h: Similarly.
8443 * a29k/a29k-protos.h: Similarly.
8444 * a29k/a29k.c: Similarly.
8445 * a29k/a29k.h: Similarly.
8446 * arc/arc-protos.h: Similarly.
8447 * arc/arc.c: Similarly.
8448 * arc/arc.h: Similarly.
8449 * arm/arm-protos.h: Similarly.
8450 * arm/arm.c: Similarly.
8451 * arm/arm.h: Similarly.
8452 * avr/avr-protos.h: Similarly.
8453 * avr/avr.c: Similarly.
8454 * avr/avr.h: Similarly.
8455 * clipper/clipper-protos.h: Similarly.
8456 * clipper/clipper.c: Similarly.
8457 * clipper/clipper.h: Similarly.
8458 * convex/convex.c: Similarly.
8459 * convex/convex.h: Similarly.
8460 * d30v/d30v-protos.h: Similarly.
8461 * d30v/d30v.c: Similarly.
8462 * d30v/d30v.h: Similarly.
8463 * d30v/d30v.md: Similarly.
8464 * dsp16xx/dsp16xx-protos.h: Similarly.
8465 * dsp16xx/dsp16xx.c: Similarly.
8466 * dsp16xx/dsp16xx.h: Similarly.
8467 * elxsi/elxsi.c: Similarly.
8468 * elxsi/elxsi.h: Similarly.
8469 * fr30/fr30.c: Similarly.
8470 * fr30/fr30.md: Similarly.
8471 * h8300/h8300-protos.h: Similarly.
8472 * h8300/h8300.c: Similarly.
8473 * h8300/h8300.h: Similarly.
8474 * i370/i370-protos.h: Similarly.
8475 * i370/i370.c: Similarly.
8476 * i370/i370.h: Similarly.
8477 * i386/i386.c: Similarly.
8478 * i386/osf1elf.h: Similarly.
8479 * i386/osfrose.h: Similarly.
8480 * i860/i860-protos.h: Similarly.
8481 * i860/i860.c: Similarly.
8482 * i860/i860.h: Similarly.
8483 * i960/i960-protos.h: Similarly.
8484 * i960/i960.c: Similarly.
8485 * i960/i960.h: Similarly.
8486 * ia64/ia64-protos.h: Similarly.
8487 * ia64/ia64.c: Similarly.
8488 * ia64/ia64.h: Similarly.
8489 * m32r/m32r-protos.h: Similarly.
8490 * m32r/m32r.c: Similarly.
8491 * m32r/m32r.h: Similarly.
8492 * m68hc11/m68hc11-protos.h: Similarly.
8493 * m68hc11/m68hc11.c: Similarly.
8494 * m68hc11/m68hc11.h: Similarly.
8495 * m68k/crds.h: Similarly.
8496 * m68k/dpx2.h: Similarly.
8497 * m68k/m68k-protos.h: Similarly.
8498 * m68k/m68k.c: Similarly.
8499 * m68k/m68k.h: Similarly.
8500 * m68k/news.h: Similarly.
8501 * m88k/m88k-protos.h: Similarly.
8502 * m88k/m88k.c: Similarly.
8503 * m88k/m88k.h: Similarly.
8504 * mips/mips-protos.h: Similarly.
8505 * mips/mips.c: Similarly.
8506 * mips/mips.h: Similarly.
8507 * ns32k/merlin.h: Similarly.
8508 * ns32k/ns32k.c: Similarly.
8509 * ns32k/ns32k.h: Similarly.
8510 * ns32k/tek6000.h: Similarly.
8511 * pa/pa-protos.h: Similarly.
8512 * pa/pa.c: Similarly.
8513 * pa/pa.h: Similarly.
8514 * pdp11/2bsd.h: Similarly.
8515 * pdp11/pdp11-protos.h: Similarly.
8516 * pdp11/pdp11.c: Similarly.
8517 * pdp11/pdp11.h: Similarly.
8518 * romp/romp-protos.h: Similarly.
8519 * romp/romp.c: Similarly.
8520 * romp/romp.h: Similarly.
8521 * rs6000/rs6000-protos.h: Similarly.
8522 * rs6000/rs6000.c: Similarly.
8523 * rs6000/rs6000.h: Similarly.
8524 * rs6000/sysv4.h: Similarly.
8525 * sh/sh-protos.h: Similarly.
8526 * sh/sh.c: Similarly.
8527 * sh/sh.h: Similarly.
8528 * sparc/sparc-protos.h: Similarly.
8529 * sparc/sparc.c: Similarly.
8530 * sparc/sparc.h: Similarly.
8531 * vax/vax.c: Similarly.
8532 * vax/vax.h: Similarly.
8533 * vax/vms.h: Similarly.
8534 * we32k/we32k.c: Similarly.
8535 * we32k/we32k.h: Similarly.
8537 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8539 * basic-block.h (first_insn_after_basic_block_note): Declare.
8540 * flow.c (first_insn_after_basic_block_note): Define. Moved
8542 * ssa.c (first_insn_after_basic_block_note): Remove.
8543 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8545 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8546 nodes when we find a dead conditional branch. Insert BARRIERs
8547 after any blocks with no successors, but which do not have
8550 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8552 * varray.c (varray_check_failed): Use internal_error.
8554 2001-07-05 Andrew Haley <aph@redhat.com>
8556 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8557 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8558 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8560 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8562 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8563 reference if the target constant is also a SYMBOL_REF.
8565 2001-07-05 Eric Christopher <echristo@redhat.com>
8567 * config/mips/mips.h (MASK_MIPS3900): Remove.
8568 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8569 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8570 (TARGET_MIPS3900): Change to use mips_arch.
8571 (TARGET_MIPS4000): New.
8572 (TARGET_MIPS4100): New.
8573 (TARGET_MIPS4300): New.
8574 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8575 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8577 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8578 (ISA_HAS_BRANCHLIKELY): To here.
8579 (CC1_CPU_SPEC): New.
8580 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8581 (mips_arch_string): Declare.
8582 (mips_arch): Declare.
8583 (TARGET_OPTIONS): Add -march and -mtune.
8585 * config/mips/mips.c (mips_arch_string): New.
8587 (override_options): Handle -march for codegen and -mtune
8588 for scheduling. Use mips_arch. Move tx39 target default here.
8589 (mips_parse_cpu): Move error message to override_options.
8591 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8593 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8595 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8596 (MIPS Options): Ditto. Change mcpu entry to historical text.
8598 2001-07-05 H.J. Lu (hjl@gnu.org)
8600 * config/mips/mips.c (mips_parse_cpu): New function to parse
8603 2001-07-05 Jim Wilson <wilson@redhat.com>
8605 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8606 * config/ia64/t-ia64: Likewise.
8607 (LIB1ASMFUNCS): Update comment.
8609 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8611 * doc/install.texi (Install GCC: Binaries): Fix typo.
8613 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8615 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8616 reference using the stack pointer, adjust it since we push Y
8618 ("*ashrsi3"): Likewise.
8619 ("*lshrsi3"): Likewise.
8621 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8623 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8624 when -fomit-frame-pointer is used.
8626 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8628 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8629 (try_redirect_by_replacing_jump): Reverse updating properly the
8630 count and frequency information. Reverse removing cc0 setter.
8631 (forwarder_block_p): Reverse fixing for fallthru blocks.
8633 2001-07-05 DJ Delorie <dj@redhat.com>
8635 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8636 (translate_options): If the above is defined, use it to map
8637 given options to new options.
8638 * doc/tm.texi: Document it.
8640 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8641 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8643 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8644 cause programs using computed gotos to run more slowly.
8646 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8648 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8650 Consistently require binutils 2.11.2, not prereleases.
8651 (Specific, decstation-*): Canonicalize as mips-dec-*.
8652 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8654 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8655 (Specific, mips-*): Reword MIPS C compiler requirements.
8656 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8657 (Specific, sunv5): Removed, obsolete.
8659 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8661 * dwarf2out.c (output_loc_list): Use an all ones mask for
8662 .text asm output and don't rely on long long
8663 literals. Reformat some long lines.
8665 2001-07-05 Andreas Jaeger <aj@suse.de>
8667 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8670 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8672 * dwarf2out.c (dwarf2out_define): Update comment.
8673 (dwarf2out_undef): Ditto.
8674 (dwarf2out_start_source_file): Ditto.
8675 (dwarf2out_end_source_file): Ditto.
8676 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8677 since we never call the start/end debug hook for the primary file.
8679 2001-07-04 Kazu Hirata <kazu@hxi.com>
8681 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8684 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8686 * cppinit.c (remove_dup_dirs): Inform if a system include
8687 directory is being reordered.
8688 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8690 * doc/cpp.texi (Search Paths): Likewise.
8691 * doc/gcc.texi (Interoperation): Remove information about
8694 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8696 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8697 (VARRAY_TOP_CHAR_PTR): Likewise.
8699 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8701 * gcc.c (process_command): Don't assign elements of a const char*.
8703 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8705 * emit-rtl.c (change_address): Don't abort if invalid address while
8706 reload is in progress.
8708 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8710 * c-lex.c (cb_file_change): Pass line number to
8711 debug_start_source_file.
8712 (cb_undefine): Pass correct line number to debug_undef.
8714 * toplev.c (debug_start_source_file): Add line number to
8715 parameters. Pass it along to dwarf2out_start_source_file.
8716 (decode_g_option): Stop resetting debug level back to normal when
8717 we change debug formats, unless the current level is
8718 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8721 * toplev.h (debug_start_source_file): Add line number to
8724 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8727 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8729 Output debug_macinfo data for starting file if requested.
8730 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8732 (dwarf2out_define): Output debug_macinfo data for defining a macro
8734 (dwarf2out_undef): Output debug_macinfo data for undefining a
8736 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8737 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8738 (macinfo_section_label): New. DWARF2 macro info section label.
8739 (dwarf2out_init): If we want macro info, output the start label
8741 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8742 attribute to the compilation unit die pointing to the macro info.
8744 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8746 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8747 DWARF2_DEBUGGING_INFO.
8748 (add_loc_descr_to_loc_list): Ditto.
8749 (output_loc_list): Ditto.
8750 Also, fix thinko in curr not being initialized.
8751 (gen_internal_sym): Ditto.
8753 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8755 * emit-rtl.c (replace_equiv_address): New function.
8756 * expr.h (replace_equiv_address): New declaration.
8757 * explow.c (validize_mem): Call it instead of change_address and
8758 also call if -fforce-addr and address is constant.
8759 * expr.c: Replace more calls to change_address with adjust_address
8760 and/or replace_equiv_address or to validize_mem.
8761 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8762 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8763 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8764 * config/i370/i370.md, config/i860/i860.md: Likewise.
8765 * config/i960/i960.md, config/mips/mips.c: Likewise.
8766 * config/mips/mips.md, config/pa/pa.md: Likewise.
8767 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8768 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8770 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8772 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8774 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8777 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8779 * doc/include: New directory.
8780 * doc/fdl.texi: Move to doc/include/fdl.texi.
8781 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8782 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8783 * doc/gcc.texi: Use funding.texi and gpl.texi.
8784 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8785 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8786 Update dependencies and use -I $(docdir)/include.
8788 2001-07-04 Anthony Green <green@redhat.com>
8790 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8792 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8794 * doc/install.texi (sparc64-*-*): Remove garbage.
8796 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8798 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8799 Fix typo in last change to use adjust_address.
8801 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8803 * doc/install.texi (Specific): Update information for *-*-solaris*.
8805 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8807 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8809 2001-07-03 Stan Shebs <shebs@apple.com>
8811 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8812 case for flag_no_mach_text_sections.
8813 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8814 * config/darwin.c (flag_no_mach_text_sections): Remove.
8815 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8817 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8819 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8820 and avoid checking for constant as first operand.
8821 * recog.c (find_constant_term_loc): No longer static.
8822 (adj_offettable_operand): Delete.
8823 * rtl.h (adj_offsettable_operand): Delete declaration.
8824 (find_constant_term): Add declaration.
8825 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8827 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8828 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8829 * config/i386/i386.c, config/i386/i386.md: Likewise.
8830 * config/i860/i860.c, config/i960/i960.c: Likewise.
8831 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8832 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8833 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8834 * config/mips/mips.c, config/mips/mips.md: Likewise.
8835 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8836 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8837 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8838 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8839 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8840 * config/ns32k/ns32k.md: Likewise.
8842 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8844 * rtl.c (copy_rtx): Handle 'T' format letter.
8845 * gensupport.c (collect_insn_data): Likewise.
8846 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8848 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8850 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8851 -B option. Use 'dir' not 'foo' as example directory name.
8853 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8855 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8856 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8858 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8860 * doc/cppinternals.texi: Improve formatting and logical markup.
8862 2001-07-03 Andreas Jaeger <aj@suse.de>
8864 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8866 * genrecog.c (write_header): Include reload.h for prototypes in
8869 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8872 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8873 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8874 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8875 i386_pe_valid_type_attribute_p): Add.
8876 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8877 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8879 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8881 * explow.c (plus_constant_wide, case LO_SUM): New case.
8882 (plus_constant_for_output_wide): Delete.
8883 * rtl.h (plus_constant_for_output): Delete.
8884 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8885 instead of plus_constant_for_output.
8886 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8887 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8888 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8889 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8890 * config/sparc/sparc.md: Likewise.
8891 Convert some change_address calls to adjust_address.
8893 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8895 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8896 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8897 documentation of -std and -Wwrite-strings.
8899 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8901 * cse.c (canon_hash): Don't register registers in very small
8902 register classes, as extending their lifetime might cause
8905 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8907 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8909 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8910 (try_redirect_by_replacing_jump): Update properly the count
8911 and frequency information.
8913 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8915 * toplev.c (dump_file_index): Move SSA dumps just after first
8917 (dump_file): Corresponding changes.
8918 (rest_of_compilation): Move SSA path to just after the first
8920 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8921 * doc/invoke.texi: Update dump file #s as they were completely
8922 out of date with reality.
8924 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8926 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8928 * expr.c (emit_move_insn_1): Deal with non-default
8931 * expr.c (emit_single_push_insn): Fix warning.
8933 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8935 * expr.c (emit_move_insn_1): Avoid modifying
8936 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8938 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8940 * emit-rtl.c (adjust_address): New function.
8941 * expr.h (adjust_address): Add declaration.
8942 * builtins.c: Replace some calls to change_address with calls to it
8944 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8945 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8946 * config/arm/arm.c, config/convex/convex.c: Likewise.
8947 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8948 * config/i386/i386.c, config/i386/i386.md: Likewise.
8949 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8950 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8951 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8952 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8953 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8955 2001-07-02 Jim Wilson <wilson@redhat.com>
8957 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8959 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8961 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8962 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8964 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8966 * cppinit.c (lang_defaults): New table.
8967 (set_lang): Just read from lang_defaults into the live options
8970 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8972 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8973 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8974 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8976 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8978 * doc/install.texi: Various spelling and markup fixes.
8979 (Installing GCC): Component specific installation instructions are
8982 Warn about removing old install dir in the presence of shared libs.
8983 (Configuration): Invoke with options target to match configure
8985 Consistently refer to gas, gld pathnames.
8986 Invert --enable-multilib documentation.
8987 Remove references to old compiler versions.
8989 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8991 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8993 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8995 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8997 (Specific, mips*-sgi-irix5): Note IDO download.
8998 Reworded MIPS C hints.
8999 Use GNU as instead of GAS.
9001 Removed SGI Freeware reference, IRIX 6 only.
9002 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9003 Note N64 library requirement/workaround.
9005 Complete list of structure passing bug victims.
9007 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9009 * doc/install.texi: Remove CVS Id.
9011 2001-07-02 Andreas Jaeger <aj@suse.de>
9013 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9014 (find_inherently_necessary): Remove unused variable.
9016 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9018 * c-common.h (TDI_inlined): New ast dump phase.
9019 (dump_flag_name): New function.
9020 * c-dump.c (dump_files): Add inlined phase.
9021 (dump_flag_name): Define.
9022 * doc/invoke.texi (-fdump-ast-inlined): Document.
9024 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9026 * stor-layout.c (layout_decl): Revert change to handling of alignment
9029 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9031 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9034 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9036 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9039 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9041 * tlink.c (recompile_files): Remove COMPILER_PATH and
9042 LIBRARY_PATH from the environment.
9044 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9046 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9047 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9049 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9051 * c-parse.in (OBJC_STRING): Kill.
9052 (objc_string): Decompose to [objc_string] '@' STRING.
9053 (reswords): Take the leading '@' off all the Objective C keywords.
9054 (objc_rid_sans_at): Kill.
9055 (init_reswords): Don't initialize it.
9056 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9057 (_yylex): Kill reconsider label. Look ahead one token after
9058 an '@'; if we get an identifier, check whether it's an
9059 Objective C @-keyword. If so, return the keyword. Otherwise,
9060 put back the token and return the '@' as a terminal.
9062 * cpplib.c (lex_macro_node): Remove unnecessary check for
9063 leading '@' on identifier. Clarify control flow and commentary.
9065 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9067 * cse.c (new_label_ref): Variable deleted.
9068 (insert): Remove set of new_label_ref.
9069 (check_for_label_ref): New function.
9070 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9072 See ChangeLog.5 for earlier changes.