1 2001-09-23 Zack Weinberg <zack@codesourcery.com>
3 * errors.h (warning, error, fatal, internal_error): Don't mark
4 with ATTRIBUTE_PRINTF_n.
5 * toplev.h (internal_error, fatal_io_error, warning, error,
6 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
7 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
10 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12 * function.c (pop_function_context_from): var_refs_queue
13 and temp slots now in GC memory.
14 (mark_function_status, free_after_compilation): Likewise;
15 also struct function now in GC memory.
16 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
17 (combine_temp_slots): Likewise.
18 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
19 (prepare_function_start): Use GC memory for struct function.
20 (mark_temp_slot): Deleted.
21 (gcc_mark_struct_function): struct function now in GC memory.
23 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
24 code for division, not modulus.
26 * rtl.def (MEM): Remove obsolete part of comment.
28 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
30 * c-format.c (init_function_format_info): Check __builtin_printf
31 and __builtin_fprintf even if -ffreestanding. Check C99 functions
34 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
36 * c-common.c (format_attribute_table): Remove decl.
37 * tree.h (format_attribute_table, lang_attribute_table): New decls.
38 (lang_attribute_common): Likewise.
40 * function.c (fix_lexical_address): Use set_mem_alias_set.
41 (expand_function_start): Likewise.
42 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
44 * varasm.c (output_constant): Fix unused variable warning.
46 * attribs.c: New file, from c-common.c.
47 (attribute_tables): Now four elements.
48 (format_attribute_table, lang_attribute_common): New variables.
49 (init_attributes): Reflect above changes.
50 (handle_mode_attribute): Delete check for wider than uintmax.
51 * c-common.c: Delete parts moved to attribs.c.
52 (enum attrs): Deleted; unused.
53 (c_format_attribute_table): New variable.
54 (c_common_lang_init): Initialize format_attribute_table with it.
55 * c-common.h (decl_attributes): Remove decl.
56 * tree.h (decl_attribute): Move it to here.
57 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
58 (attribs.o): New rule.
60 2001-09-22 Andreas Jaeger <aj@suse.de>
62 * builtins.c (c_getstr): Remove unused variable.
64 2001-09-21 Richard Henderson <rth@redhat.com>
66 * reload1.c (reload): Use delete_insn instead of splatting
69 2001-09-21 Richard Henderson <rth@redhat.com>
71 * reload.c (push_secondary_reload): Don't check for "=" in output
72 constraint after ""->ALL_REGS check.
74 2001-09-21 Richard Henderson <rth@redhat.com>
76 * predict.c (expected_value_to_br_prob): Use pc_set.
78 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
79 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
81 2001-09-21 Richard Henderson <rth@redhat.com>
83 * rtl.h (LCT_RETURNS_TWICE): New.
84 * calls.c (emit_call_1): Set current_function_calls_setjmp for
86 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
88 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
91 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
93 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
96 2001-09-21 Richard Henderson <rth@redhat.com>
98 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
101 2001-09-21 Richard Henderson <rth@redhat.com>
103 * tree.def (FDESC_EXPR): New.
104 * expr.c (expand_expr): Handle it.
105 * varasm.c (initializer_constant_valid_p): Likewise.
106 (output_constant): Likewise.
107 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
108 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
109 (ASM_OUTPUT_FDESC): New.
110 * doc/tm.texi: Document the new macros.
112 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
114 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
115 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
116 once merging is complete.
118 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
120 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
122 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
124 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
125 that would be invalid after a merge.
127 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
129 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
130 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
132 (flow_delete_insn): This one.
133 (delete_insn_chain): Rename from ...; do not care labels.
134 (flow_delete_insn_chain): ... this one.
135 (flow_delete_block): Remove the insns one BB has been expunged.
136 (merge_blocks_nomove): Likewise.
137 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
138 updating BB boundaries.
139 (tidy_fallthru_edge): Likewise.
140 (commit_one_edge_insertion): Likewise.
141 * cfgbuild.c (find_basic_block): Likewise.
142 (find_basic_blocks_1): Likewise.
143 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
144 (try_crossjump_to_edge): Likewise.
145 (try_optimize_cfg): Likewise.
146 * cse.c (delete_trivially_dead_insns): Likewise.
147 * df.c (df_insn_delete): Likewise.
148 * doloop.c (doloop_modify): Use delete_related_insns.
149 * emit-rtl.c (try_split): Likewise.
150 (remove_insn): Update BB boundaries.
151 * expect.c (connect_post_landing_pads): Use delete_related_insns.
152 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
153 updating BB boundaries.
154 (propagate_block_delete_insn): Likewise.
155 (propagate_block_delete_libcall): Likewise.
156 * function.c (delete_handlers): Use delete_related_insns.
157 (thread_prologue_and_epilogue_insns): Likewise.
158 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
159 * genpeep.c (gen_peephole): Use delete_related_insns.
160 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
162 (find_cond_trap): Likewise.
163 * integrate.c (save_for_inline): Use delete_related_insns.
164 (copy_insn_list): Likewise.
165 * jump.c (pruge_linie_number_notes): Likewise.
166 (duplicate_loop_exit_test): Likewise.
167 (delete_computation): Likewise.
168 (delete_related_insn): Rename from ...; use delete_insn
169 (delete_insn): ... this one.
170 (redirect_jump): Use delete_related_insns.
171 * loop.c (scan_loop): Likewise.
172 (move_movables): Likewise.
173 (find_and_verify_loops): Likewise.
174 (check_dbra_loop): Likewise.
175 * recog.c (peephole2_optimize): Likewise.
176 * reg-stack.c (delete_insn_for_stacker): Remove.
177 (move_for_stack_reg): Use delete_insn.
178 * regmove.c (combine_stack_adjustments_for_block): Likewise.
179 * reload1.c (delete_address_reloads): Use delete_related_insns.
180 (fixup_abnormal_edges): Use delete_insn.
181 * recog.c (emit_delay_sequence): Use delete_related_insns.
182 (delete_from-delay_slot): Likewise.
183 (delete_scheduled_jump): likewise.
184 (optimize_skip): Likewise.
185 (try_merge_delay_insns): Likewise.
186 (full_simple_delay_slots): Likewise.
187 (fill_slots_from_thread): Likewise.
188 (relax_delay_slots): Likewise.
189 (make_return_insns): Likewise.
190 (dbr_schedule): Likewise.
191 * rtl.h (delete_insn): Rename to delete_related_insns.
192 (delete_insn, delete_insn_chain): New prototypes.
193 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
194 by df_insn_delete already.
195 * ssa-dce.c (delete_insn_bb): Use delete_insn.
196 * ssa.c (convert_from_ssa): Use delete_related_insns.
197 * unroll.c (unroll_loop): Likewise.
198 (calculate_giv_inc): Likewise.
199 (copy_loop_body): Likewise.
201 * i386-protos.h (ix86_libcall_value, ix86_function_value,
202 ix86_function_arg_regno_p, ix86_function_arg_boundary,
203 ix86_return_in_memory, ix86_function_value): Declare.
204 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
205 new static valurables.
206 (x86_64_reg_class): New enum
207 (x86_64_reg_class_name): New array.
208 (classify_argument, examine_argument, construct_container,
209 merge_classes): New static functions.
210 (optimization_options): Enable flag_omit_frame_pointer and disable
211 flag_pcc_struct_return on 64bit.
212 (ix86_libcall_value, ix86_function_value,
213 ix86_function_arg_regno_p, ix86_function_arg_boundary,
214 ix86_return_in_memory, ix86_function_value): New global functions.
215 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
216 (function_arg_advance): Handle x86_64 passing conventions.
217 (function_arg): Likewise.
218 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
219 (RETURN_IN_MEMORY): Move offline.
220 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
221 (FUNCTION_VALUE_REGNO_P): New macro.
222 (FUNCTION_ARG_REGNO_P): Move offline.
223 (struct ix86_args): Add maybe_vaarg.
224 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
225 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
227 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
229 * s390.md: Changed attributes for scheduling.
230 * s390.c: (s390_adjust_cost, s390_adjust_priority)
233 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
235 Table-driven attributes.
236 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
237 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
238 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
239 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
240 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
241 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
242 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
243 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
244 * tree.h (struct tree_decl): Change machine_attributes to
246 * doc/c-tree.texi: Document that all attributes are now attached
248 * c-common.c (add_attribute, attrtab, attrtab_idx,
249 default_valid_lang_attribute, valid_lang_attribute): Remove.
250 (attribute_tables, attributes_initialized,
251 c_common_attribute_table, default_lang_attribute_table): New
253 (handle_packed_attribute, handle_nocommon_attribute,
254 handle_common_attribute, handle_noreturn_attribute,
255 handle_unused_attribute, handle_const_attribute,
256 handle_transparent_union_attribute, handle_constructor_attribute,
257 handle_destructor_attribute, handle_mode_attribute,
258 handle_section_attribute, handle_aligned_attribute,
259 handle_weak_attribute, handle_alias_attribute,
260 handle_no_instrument_function_attribute,
261 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
262 handle_no_limit_stack_attribute, handle_pure_attribute): New
264 (init_attributes, decl_attributes): Rewrite to implement
265 table-driven attributes.
266 * c-common.h (enum attribute_flags): Move to tree.h.
267 * c-format.c (decl_handle_format_attribute,
268 decl_handle_format_arg_attribute): Rename to
269 handle_format_attribute and handle_format_arg_attribute. Update
270 for table-driven attributes.
271 * c-common.h (decl_handle_format_attribute,
272 decl_handle_format_arg_attribute): Remove prototypes.
273 (handle_format_attribute, handle_format_arg_attribute): Add
275 * c-decl.c (grokdeclarator): Handle attributes nested inside
277 * c-parse.in (setattrs, maybe_setattrs): Remove.
278 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
279 Update to handle nested attributes properly.
280 (maybe_resetattrs, after_type_declarator,
281 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
282 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
284 (make_pointer_declarator): Update to handle nested attributes
286 * doc/extend.texi: Update documentation of limits of attributes
287 syntax. Warn about problems with attribute semantics in C++.
288 * target.h (struct target): Remove valid_decl_attribute and
289 valid_type_attribute. Add attribute_table and
290 function_attribute_inlinable_p.
291 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
292 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
293 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
295 (TARGET_INITIALIZER): Update.
296 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
298 (function_attribute_inlinable_p): New function. Check for the
299 presence of any machine attributes before using
300 targetm.function_attribute_inlinable_p.
301 (function_cannot_inline_p): Update.
302 * Makefile.in (integrate.o): Update dependencies.
303 * doc/tm.texi: Update documentation of target attributes and
304 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
305 * tree.c (default_valid_attribute_p, valid_machine_attribute):
307 (default_target_attribute_table,
308 default_function_attribute_inlinable_p): New.
309 (lookup_attribute): Update comment to clarify handling of multiple
310 attributes with the same name.
311 (merge_attributes, attribute_list_contained): Allow multiple
312 attributes with the same name but different arguments to appear in
313 the same attribute list.
314 * tree.h (default_valid_attribute_p): Remove prototype.
315 (struct attribute_spec): New.
316 (default_target_attribute_table): Declare.
317 (enum attribute_flags): Move from c-common.h. Add
318 ATTR_FLAG_TYPE_IN_PLACE.
319 (default_function_attribute_inlinable_p): Declare.
320 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
321 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
322 (TARGET_ATTRIBUTE_TABLE): Define.
323 (vms_attribute_table): New.
324 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
325 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
326 (TARGET_ATTRIBUTE_TABLE): Define.
327 (arc_attribute_table, arc_handle_interrupt_attribute): New.
328 * config/arm/arm.c (arm_valid_type_attribute_p,
329 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
331 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
333 (TARGET_ATTRIBUTE_TABLE): Define.
334 (arm_attribute_table, arm_handle_fndecl_attribute,
335 arm_handle_isr_attribute): New.
336 * config/avr/avr.c (avr_valid_type_attribute,
337 avr_valid_decl_attribute): Remove.
338 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
340 (TARGET_ATTRIBUTE_TABLE): Define.
341 (avr_attribute_table, avr_handle_progmem_attribute,
342 avr_handle_fndecl_attribute): New.
343 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
344 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
345 (TARGET_ATTRIBUTE_TABLE): Define.
346 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
347 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
348 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
349 (TARGET_ATTRIBUTE_TABLE): Define.
350 (h8300_attribute_table, h8300_handle_fndecl_attribute,
351 h8300_handle_eightbit_data_attribute,
352 h8300_handle_tiny_data_attribute): New.
353 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
354 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
356 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
358 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
359 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
361 (TARGET_ATTRIBUTE_TABLE): Define.
362 (ix86_attribute_table, ix86_handle_cdecl_attribute,
363 ix86_handle_regparm_attribute): New.
364 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
365 i386_pe_valid_type_attribute_p): Remove.
366 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
367 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
368 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
369 (TARGET_ATTRIBUTE_TABLE): Define.
370 (ia64_attribute_table): New.
371 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
372 interrupt_ident2, model_ident1, model_ident2): Remove.
373 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
374 (TARGET_ATTRIBUTE_TABLE): Define.
375 (init_idents): Update.
376 (m32r_attribute_table, m32r_handle_model_attribute): New.
377 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
379 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
380 (TARGET_ATTRIBUTE_TABLE): Define.
381 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
382 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
383 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
384 (TARGET_ATTRIBUTE_TABLE): Define.
385 (mcore_attribute_table, mcore_handle_naked_attribute): New.
386 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
387 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
388 (TARGET_ATTRIBUTE_TABLE): Define.
389 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
390 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
391 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
392 (TARGET_ATTRIBUTE_TABLE): Define.
393 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
394 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
395 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
396 (TARGET_ATTRIBUTE_TABLE): Define.
397 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
398 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
400 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
402 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
403 (TARGET_ATTRIBUTE_TABLE): Define.
404 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
406 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
407 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
408 (TARGET_ATTRIBUTE_TABLE): Define.
409 (v850_attribute_table, v850_handle_interrupt_attribute,
410 v850_handle_data_area_attribute): New.
411 * config/v850/v850-c.c (mark_current_function_as_interrupt):
412 Return void. Call decl_attributes instead of
413 valid_machine_attribute.
415 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
417 * sh-protos.h (sh_pr_n_sets): Declare.
418 * sh.c (calc_live_regs): If the initial value for PR has been copied,
419 look at the copy to determine if PR needs to be saved.
420 sh_pr_n_sets: New function.
421 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
422 (ALLOCATE_INITIAL_VALUE): Define.
424 * sh.c (initial_elimination_offset):
425 Fix RETURN_ADDRESS_POINTER_REGNUM case.
427 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
429 * integrate.c (allocate_initial_values): New function.
430 * integrate.h (allocate_initial_values): Declare.
431 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
433 * reload1.c (reload): And initialization of reg_equiv_memory_loc
435 * toplev.c (rest_of_compilation): To here.
436 Call allocate_initial_values.
437 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
439 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
441 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
443 2001-09-20 DJ Delorie <dj@redhat.com>
445 * c-typeck.c (really_start_incremental_init): Discriminate
446 between zero-length arrays and flexible arrays.
447 (push_init_level): Detect zero-length arrays and handle them
448 like fixed-sized arrays.
449 * expr.c (store_constructor): Handle zero-length arrays and
450 flexible arrays correctly.
451 * doc/extend.texi: Update zero-length array notes.
453 2001-09-20 Jim Wilson <wilson@redhat.com>
455 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
456 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
457 for issue port conflicts.
458 (cycle_end_fill_slots): TYPE_L instructions take two slots.
460 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
462 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
465 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
467 * fold-const.c (hashtab.h): Include.
468 (int_const_binop): Remove FORSIZE arg and compute from type; all
470 Call size_int_type_wide for all single-word constants.
471 (size_htab_hash, size_htab_eq): New functions.
472 (size_int_type_wide): Rework to use hash table.
473 * ggc-common.c (hashtab.h): Include.
474 (struct d_htab_root): New struct.
475 (d_htab_roots): New variable.
476 (ggc_add_deletable_htab, ggc_htab_delete): New functions
477 (ggc_mark_roots): Handle deletable htabs.
478 * ggc-page.c (ggc_marked_p): New function.
479 * ggc-simple.c (ggc_marked_p): Likewise.
480 * ggc.h: Reformatting throughout.
481 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
482 * tree.c (init_obstacks): Make type_hash_table a deletable root.
483 (type_hash_add): Allocate struct type_hash from GC memory.
484 (mark_hash_entry, mark_type_hash): Deleted.
485 (type_hash_marked_p, type_hash_mark): New functions.
486 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
488 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
490 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
493 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
495 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
496 array-too-large test for signed sizetype.
498 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
500 * i386.md (indirect_jump): Allow Pmode operand.
501 (tablejump): LIkewise; perform expansion to 64bit mode.
502 * i386.c (symbolic_operand): Allow 64bit PIC references.
503 (pic_symbolic_operand): Likewise.
504 (ix86_find_base_term): Strip the 64bit PIC references.
505 (legitimate_pic_address_disp_p): Handle 64bit PIC.
506 (legitimize_pic_address): Likewise.
507 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
508 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
510 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
512 * stringpool.c (get_identifier_with_length): New function.
513 * tree.h (get_identifier_with_length): New prototype.
515 2001-09-19 Alan Modra <amodra@bigpond.net.au>
516 David Edelsohn <edelsohn@gnu.org>
519 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
520 already sign-extended.
522 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
523 * config/rs6000/rs6000.c (logical_operand): Always compare op as
525 (rs6000_emit_set_long_const): Avoid unnecessary shift.
526 (output_profile_hook): Declare label_name const.
527 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
528 to match constraints.
530 2001-09-19 Stan Shebs <shebs@apple.com>
532 * alias.c: Fix typos in comments.
533 * sched-rgn.c (init_ready_list): Ditto.
534 * unwind-dw2.c (uw_frame_state_for): Ditto.
535 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
536 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
537 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
539 2001-09-19 Richard Henderson <rth@redhat.com>
541 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
543 * Makefile.in (cfg.o): Depend on TM_P_H.
545 2001-09-19 Richard Henderson <rth@redhat.com>
547 * config/alpha/alpha.c (local_symbol_p): Split out from ...
548 (local_symbolic_operand): ... here.
549 (small_symbolic_operand): Check mode.
550 (global_symbolic_operand): New.
551 (input_operand): Reject symbolics if explicit relocs.
552 (call_operand): Tidy.
553 (alpha_legitimize_address): Use movdi_er_high_g.
554 (alpha_expand_mov): Likewise.
555 * config/alpha/alpha-protos.h: Update.
556 * config/alpha/alpha.h (PREDICATE_CODES): Update.
557 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
558 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
559 (UNSPECV_LDGP2): Remove.
560 (all call patterns): Use 's' not 'i' for symbolic constraint.
561 (call_osf call_value_osf): Use call_operand.
562 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
563 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
564 (prologue_ldgp_1_er): Remove.
565 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
566 (builtin_setjmp_receiver_er patterns): Use them.
567 (exception_receiver_er): Likewise.
569 2001-09-19 Richard Henderson <rth@redhat.com>
571 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
573 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
574 and NON_LOCAL_GOTO notes.
575 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
576 copy over CALL_INSN_FUNCTION_USAGE.
578 2001-09-18 Catherine Moore <clm@redhat.com>
580 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
583 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
585 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
586 new-style tm_file specification. Specify correct tm_p_file,
587 md_file, and out_file for s390x.
589 * config/s390/linux.h, linux64.h: Don't include other target
590 macro header files. Now handled via tm_file.
592 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
593 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
594 are defined before use.
596 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
598 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
599 code generation only for Gnu assembler.
601 2001-09-18 Catherine Moore <clm@redhat.com>
603 * config/stormy16 (LIB_SPEC): Remove -lnosys.
605 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
607 * config/mips/mips.c (mips_frame_set): New.
608 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
609 a parallel frame-related expression with a set for each register.
611 2001-09-18 Philip Blundell <philb@gnu.org>
613 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
616 2001-09-17 Dale Johannesen <dalej@apple.com>
618 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
619 * config/rs6000/aix.h (FIXED_R2): Define.
620 * config/rs6000/darwin.h (FIXED_R2): Define.
621 * config/rs6000/sysv4.h (FIXED_R2): Define.
623 2001-09-17 Jeff Sturm <jsturm@one-point.com>
625 * except.c (dw2_build_landing_pads): New local
626 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
627 barrier after clobbers. Fixes c++/4012.
629 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
631 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
633 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
635 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
636 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
638 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
640 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
643 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
645 * cpphash.h (_cpp_lex_direct): New.
646 * cpplex.c (_cpp_lex_token): Update.
647 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
648 and increment that pointer.
649 * cppmacro.c (alloc_expansion_token): New.
650 (lex_expansion_token): Lex macro expansion directly into
653 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
655 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
657 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
659 * basic-block.h (free_bb_for_insn): Declare.
660 * bb-reorder.c (label_for_bb): Use block_label.
661 (emit_jump_to_block_after): Remove.
662 (insert_intra_1): Do not update block_for_insn.
663 (insert_inter_bb_scope_notes): Likewise; update bb->end
664 * cfg.c (free_bb_for_insn): New.
665 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
666 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
667 (commit_one_edge_insertion): Likewise.
668 (commit_one_edge_insertion): Do not update BB boundary.
669 (commit_edge_insertions): Do not call compute_bb_for_insn.
670 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
671 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
672 (merge_blocks_move_successor_nojumps): Likewise.
673 (try_crossjump_to_edge): Do not update block_for_insn.
674 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
675 * df.c (df_pattern_emit_later): Do not update BB boundary.
676 (df_jump_pattern_emit_after): Likewise.
677 (df_insn_move_before): Use emit_insn_before.
678 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
680 (add_insn_after, add_insn_before, emit_insns_after): Update BB
681 boundaries and basic_block_for_insn.
682 (reorder_insns_nobb): Rename from reorder_insns.
683 (reorder_insns): New.
684 (emit_block_insn_before, emit_block_insn_after): Kill.
685 * flow.c (check_function_return_warnings): Do not call
686 compute_bb_for_insn; Do not free basic_block_for_insn.
687 (attempt_auto_inc): Do not update basic_block_for_insn.
688 * function.c (emit_return_into_block): Likewise;
689 do not update BB boundaries.
690 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
691 (insert_insn_end_bb): Use emit_insn_before; Likewise.
692 (pre_insert_copy_insn): Likewise.
693 (update_ld_motion_notes): Likewise.
694 (insert_insn_start_bb): Likewise.
695 (replace_store_insn): Likewise.
696 * ifcvt.c (noce_process_if_block): Likewise.
697 (if_convert): Do not call compute_bb_for_insn.
698 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
699 Use emit_insn_before and emit_insn_after.
700 * recog.c (split_all_insns): Do not update BB boundaries;
701 Do not call compute_bb_for_insn.
702 (peephole2_optimize): Do not update BB boundaries.
703 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
705 (emit_swap_insn): Likewise.
706 (convert_regs_1): Likewise.
707 * reload1.c (reload): Call compute_bb_for_insn.
708 * rtl.h (reorder_insns_nobb): Declare.
709 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
710 * toplev.c (rest_of_compilation): Call free_bb_for_insn
711 at places CFG is invalidated; do not call compute_bb_for_insn.
713 * cfg.c (expunge_block): Invalidate BB structure.
715 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
718 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
720 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
722 * cpphash.h (_cpp_lex_token): Update prototype.
723 * cpplex.c (_cpp_lex_token): New prototype.
724 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
725 lex_macro_node, read_flag, do_pragma_poison): Update.
726 * cppmacro.c (cpp_get_token, parse_params,
727 lex_expansion_token): Update.
729 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
731 * cppmain.c (scan_translation_unit): Don't worry about
732 putting a space after hashes.
733 * cpplib.c (directive_diagnostics): New.
734 (_cpp_handle_directive): Update to use directive_diagnostics.
735 (run_directive): Don't toggle prevent_expansion.
736 (do_line): Backup in case of the line extension.
737 * cpplib.h (cpp_lexer_pos): Remove.
738 * cppmacro.c (_cpp_create_definition): Precede a leading #
741 2001-09-15 Richard Henderson <rth@redhat.com>
743 * c-typeck.c (comptypes): Handle zero-length arrays properly.
745 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
747 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
749 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
752 * tradcpp.c (handle_directive): Skip non-vertical space.
754 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
756 * cppmain.c (setup_callbacks): Set line callback only
757 if outputting preprocessed source.
759 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
761 * collect2.c (main): Const-ification.
762 * gcc.c (translate_options, process_command): Use xstrdup in
763 lieu of xmalloc/strcpy.
764 (main): Use concat in lieu of xmalloc/strcpy/strcat.
766 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
768 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
771 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
773 * scan-decls.c (scan_decls): Fix typo.
775 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
777 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
778 Split mlstring_pos into mls_line and mls_col.
779 * cppinit.c (cpp_create_reader): Initialize line to 1.
780 (cpp_destroy): Free tokenruns.
781 (push_include): Don't update lexer_pos.
782 * cpplex.c (unterminated, parse_string): Update.
783 (lex_token): Don't update lexer_pos, update.
784 * cpplib.c (if_stack): Save line instead of line + col.
785 (start_directive, _cpp_do__Pragma, do_else, do_elif,
786 push_conditional, _cpp_pop_buffer): Update.
787 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
788 (_cpp_create_definition): Update.
790 2001-09-15 Eric Christopher <echristo@redhat.com>
792 * config/mips/abi64.h: Add support for MEABI.
794 2001-09-15 Eric Christopher <echristo@redhat.com>
796 * config/mips/mips.md: Add unspec #2.
798 (reload_outdi): Ditto.
799 (reload_outsi): Ditto.
802 2001-09-15 Eric Christopher <echristo@redhat.com>
803 Jason Eckhardt <jle@redhat.com>
805 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
806 * config/mips/isa32-linux.h: New file.
807 * config/mips/isa3264.h: Ditto.
808 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
809 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
810 (output_block_mode): Support MEABI.
811 (function_arg): Ditto. Fix floating point arg passing.
812 (mips_va_start): Ditto.
813 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
815 (mips_asm_file_start): Add new section to pass abi to gdb.
816 (function_arg_pass_by_reference): Support MEABI.
817 (mips_parse_cpu): Support mips32 and mips64 processors.
818 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
819 TARGET_MIPS5KC. Support isa32 and isa64.
820 (processor_type): Add r4kc, r5kc, r20kc.
821 (GENERATE_MULT3_SI): New.
822 (GENERATE_MULT3_DI): Ditto.
823 (GENERATE_MULT3): Remove.
824 (ISA_HAS_64BIT_REGS): Add isa == 64.
825 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
826 (ISA_HAS_MADD_MSUB): New.
827 (ISA_HAS_CLZ_CLO): Ditto.
828 (ISA_HAS_DCLZ_DCLO): Ditto.
829 (ABI_GAS_ASM_SPEC): New.
830 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
833 (SUBTARGET_CC1_SPEC): Ditto.
834 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
835 (PAD_VARARGS_DOWN): Support MEABI.
836 (HARD_REGNO_NREGS): Move to mips.c.
837 (ASM_OUTPUT_IDENT): Add #undef.
838 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
839 (mulsi3): Use GENERATE_MULT3_SI.
840 (mulsi3_mult3): Ditto. Support mips32, mips64.
841 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
842 (mul_sub_si): New pattern.
843 (unnamed splitters): New.
844 (muldi3): Use GENERATE_MULT3_DI.
845 (muldi3_internal2): Ditto.
846 (movdicc): Support mips32.
847 * config/mips/t-isa3264: New file.
849 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
851 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
852 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
853 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
855 * reorg.c (fill_slots_from_thread): After call to
856 steal_delay_list_from_target, update own_thread as new_thread may
859 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
861 * cpperror.c (print_location): Take line and column, for
862 default positioning use the previously lexed token.
863 (_cpp_begin_message): Take line and column.
864 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
865 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
866 * cpphash.h (_cpp_begin_message): Update prototype.
867 * cppinit.c (push_include): Don't set output line.
868 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
869 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
870 (do_pragma): Kludge for front ends. Don't expand macros at all.
871 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
872 (struct cpp_token): Remove output_line.
873 (struct cpp_callbacks): New member line_change.
874 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
875 cpp_get_token): Preserve BOL flag.
876 (cpp_get_line): Remove.
877 (_cpp_backup_tokens): Remove useless abort().
878 * cppmain.c (cb_line_change): New.
879 (scan_translation_unit): Don't worry about starting new lines here.
880 * scan-decls.c (scan_decls): Update.
881 * c-lex.c (c_lex, init_c_lex): Update.
882 (cb_line_change, src_lineno): New.
884 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
886 * tree.c (append_random_chars): Generate the random
887 characters in a reproducable fashion.
889 2001-09-14 Richard Henderson <rth@redhat.com>
891 * config/i386/i386.c (internal_label_prefix): New.
892 (internal_label_prefix_len): New.
893 (override_options): Set them.
894 (local_symbolic_operand): New.
895 (legitimate_pic_address_disp_p): Use it.
896 (legitimize_pic_address): Likewise.
898 2001-09-14 Marc Espie <espie@openbsd.org>
900 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
903 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
905 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
906 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
908 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
910 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
911 invocation of SUBREG_REGNO_OFFSET.
913 * haifa-sched.c: Fix typo in FSF copyright statement.
914 * sched-deps.c: Fix typo in FSF copyright statement.
915 * sched-ebb.c: Fix typo in FSF copyright statement.
916 * sched-rgn.c: Fix typo in FSF copyright statement.
917 * sched-vis.c: Fix typo in FSF copyright statement.
919 * config.gcc: Move inclusion of arm elf specific header files
920 from the files themselves into the tm_file variable. Make
921 sure that elfos.h is included before target specific elf
923 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
925 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
926 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
927 ASM_OUTPUT_CASE_LABEL): Protect definition.
928 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
930 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
931 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
932 Remove duplicate definition.
933 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
934 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
935 (RDATA_SECTION_FUNCTION): Remove redundant definition.
936 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
937 Remove inclusion of arm/elf.h.
938 * config/arm/unknown-elf.h: as for conix-elf.h.
939 (STARTFILE_SPEC): Include crti.o and crtn.o.
940 * config/arm/linux-elf.h: as for conix-elf.h.
941 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
942 * config/arm/strongarm-elf.h: Remove inclusion of
944 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
945 * config/arm/unknown-elf-oabi.h: Remove inclusion of
946 unknown-elf.h and elf.h.
947 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
948 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
949 ASM_WEAKEN_LABEL): Remove redundant definition.
950 * config/arm/elf.h: Test for inclusion of elfos.h
951 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
952 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
953 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
954 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
955 redundant definition.
956 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
957 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
958 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
959 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
960 Add rules to build crti.o and crtn.o
961 * crti.asm: New file.
962 * crtn.asm: New file.
964 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
966 * c-parse.in (_yylex): Use _cpp_backup_tokens.
967 * cpphash.h (struct tokenrun): Add prev.
968 (struct lexer_state): Remove bol.
969 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
970 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
972 * cppinit.c (cpp_create_reader): Don't set bol.
973 (cpp_destroy): Don't free lookaheads.
974 * cpplex.c (lex_directive): Remove.
975 (next_tokenrun): Update.
976 (_cpp_lex_token): Clean up logic.
977 (lex_token): Update to return a pointer to lexed token, since it
978 can move to the start of the buffer. Simpify newline handling.
979 * cpplib.c (SEEN_EOL): Update.
980 (skip_rest_of_line): Remove lookahead stuff.
981 (end_directive): Line numbers are already incremented. Revert
982 to start of lexed token buffer if we can.
983 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
984 parse_answer): Use _cpp_backup_tokens.
985 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
986 instead. Don't check for EOL.
987 (do_include_common, do_line, do_pragma_system_header): Use
989 * cpplib.h (BOL, _cpp_backup_tokens): New.
990 * cppmacro.c (save_lookahead_token, take_lookahead_token,
991 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
992 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
993 (builtin_macro): Don't use cpp_get_line.
994 (cpp_get_line): Short term kludge.
995 (parse_arg): Handle directives in arguments here. Back up when
996 appropriate. Store EOF at end of argument list.
997 (funlike_invocation_p): Use _cpp_backup_tokens.
998 (push_arg_context): Account for EOF at end of list.
999 (cpp_get_token): Remove lookahead stuff. Update.
1001 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1003 * c-parse.in (yyerror): Const-ification and/or static-ization.
1004 * c-typeck.c (push_member_name): Likewise.
1005 * collect2.c (main): Likewise.
1006 * dbxout.c (dbxout_parms): Likewise.
1007 * diagnostic.c (format_with_decl): Likewise.
1008 * dwarf2out.c (output_ranges): Likewise.
1009 * dwarfout.c (fundamental_type_code): Likewise.
1010 * except.c (dw2_output_call_site_table): Likewise.
1011 * gcc.c (do_spec_1): Likewise.
1012 * genopinit.c (optabs): Likewise.
1013 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1014 gen_declaration_1, handle_impent): Likewise.
1015 * protoize.c (default_include, in_system_include_dir, abspath):
1017 * sched-vis.c (visualize_stall_cycles): Likewise.
1018 * sdbout.c (plain_type_1, sdbout_end_function,
1019 sdbout_end_epilogue): Likewise.
1020 * varasm.c (decode_reg_name): Likewise.
1022 * 1750a.c (mod_regno_adjust): Likewise.
1023 * alpha.c (alpha_write_one_linkage,
1024 unicosmk_output_default_externs): Likewise.
1025 * arm.c (arm_condition_codes): Likewise.
1026 * arm.h (arm_condition_codes): Likewise.
1027 * avr.c (output_movsisf, encode_section_info): Likewise.
1028 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1030 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1031 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1032 * m88k.c (output_function_profiler): Likewise.
1033 * mips.c (mips_output_conditional_branch): Likewise.
1034 * ns32k.c (ns32k_out_reg_names): Likewise.
1035 * ns32k.h (ns32k_out_reg_names): Likewise.
1036 * pj.c (pj_output_rval): Likewise.
1037 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1038 * sparc.c (sparc_flat_function_prologue,
1039 sparc_flat_function_epilogue): Likewise.
1041 2001-09-13 Markus Werle <numerical.simulation@web.de>
1042 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1044 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1045 Aachen University of Technology".
1047 2001-09-13 Andreas Schwab <schwab@suse.de>
1049 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1052 2001-09-13 Richard Henderson <rth@redhat.com>
1054 * config/alpha/alpha.c (small_symbolic_operand): New.
1055 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1056 (some_operand, input_operand): Don't handle HIGH.
1057 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1058 (alpha_expand_mov): Likewise.
1059 (print_operand) [H]: Just print HIGH symbol.
1060 (print_operand_address): Handle small data.
1061 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1062 (TARGET_SWITCHES): Add -msmall-data/large-data.
1063 (PIC_OFFSET_TABLE_REGNUM): New.
1064 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1065 (PREDICATE_COES): Update.
1066 * config/alpha/alpha.md (adddi_er_high): New.
1067 (adddi_er_low): Handle small data.
1068 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1069 prefer .sdata to .rodata.
1070 (SELECT_RTX_SECTION): Likewise.
1072 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1074 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1075 defining __size_t and leaving size_t undefined.
1077 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1079 * basic-block.h (expunge_block): Declare.
1080 * cfg.c (expunge_block): Remove static declaration.
1082 2001-09-12 Richard Henderson <rth@redhat.com>
1084 * integrate.c (copy_insn_list): Copy label name from
1085 NOTE_INSN_DELETED_LABEL.
1087 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1089 * c-common.c (c_tree_code_name): Const-ification.
1090 * c-decl.c (c_decode_option): Likewise.
1091 * c-typeck.c (warn_for_assignment): Likewise.
1092 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1094 * cppinit.c (output_deps): Likewise.
1095 * dependence.c (dependence_string, direction_string): Likewise.
1096 * dwarf2out.c (output_ranges): Likewise.
1097 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1098 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1099 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1100 standard_startfile_prefix, standard_startfile_prefix_1,
1101 standard_startfile_prefix_2, tooldir_base_prefix,
1102 standard_bindir_prefix, find_a_file): Likewise.
1103 * genattrtab.c (make_length_attrs): Likewise.
1104 * gencheck.c (tree_codes): Likewise.
1105 * genemit.c (gen_split): Likewise.
1106 * genrecog.c (special_mode_pred_table): Likewise.
1107 * graph.c (graph_ext): Likewise.
1108 * protoize (default_include): Likewise.
1109 * reload.c (reload_when_needed_name): Likewise.
1110 * sched-vis.c (visualize_stall_cycles): Likewise.
1111 * tlink.c (recompile_files): Likewise.
1112 * toplev.c (decode_g_option): Likewise.
1113 * tradcpp.c (output_deps): Likewise.
1114 * varasm.c (decode_reg_name): Likewise.
1116 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1119 * avr.c (avr_regnames, encode_section_info): Likewise.
1120 * c4x.c (float_reg_names): Likewise.
1121 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1122 * elfos.h (const_section): Likewise.
1123 * i386.c (ix86_comp_type_attributes): Likewise.
1124 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1125 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1126 * ia64.c (type_names): Likewise.
1127 * m68hc11.c (reg_class_names): Likewise.
1128 * m88k.c (m_options): Likewise.
1129 * mips.c (mips_output_conditional_branch, mips_unique_section):
1131 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1132 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1133 ultra_code_names): Likewise.
1134 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1136 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1138 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1139 Use --fatal-warnings option for gas.
1140 * configure: Rebuilt.
1142 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1144 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1146 2001-09-11 Jim Wilson <wilson@redhat.com>
1148 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1150 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1152 * builtins.c (c_strlen): Treat an offset too large for a
1153 HOST_WIDE_INT as out of range.
1155 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1157 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1158 (EDGE_CRITICAL_P): New predicate.
1159 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1161 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1162 (dump_edge_info): Remove "crit".
1163 * cfganal.c (mark_critical_edges): Kill.
1164 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1165 * cfgcleanup.c (cleanup_cfg): Likewise.
1166 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1167 (find_spanning_tree): Likewise.
1168 * reg-stack.c (convert_regs_1): Likewise.
1169 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1171 * basic-block.h (create_basic_block_structure): New.
1172 (create_basic_block): Update prototype.
1173 (force_nonfallthru): New.
1174 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1175 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1176 handle updating of block_for_insn, creating of empty BBs and BBs at
1177 the end of INSN chain.
1178 (create_basic_block): New function.
1179 (split_block): Use create_basic_block.
1180 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1181 (redirect_edge_and_branch_force): ... here.
1182 (force_nonfallthru): New.
1183 (split_edge): Rewrite to use force_nonfallthru and create_block.
1184 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1185 (find_basic_blocks): Free basic_block_for_insn.
1186 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1188 * cfg.c: Fix formating.
1189 * cfgcleanup.c: Fix formating.
1190 (merge_blocks, tail_recursion_label_p): Return bool.
1191 (merge_blocks_move_predecessor_nojumps,
1192 merge_blocks_move_successor_nojumps): Return void.
1194 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1196 * configure.in: Check whether assembler supports section merging.
1197 * config.in: Rebuilt.
1198 * configure: Rebuilt.
1199 * varasm.c (variable_section, output_constant_pool): Pass alignment
1200 to SELECT_SECTION and SELECT_RTX_SECTION.
1201 (mergeable_string_section): New.
1202 (mergeable_constant_section): New.
1203 (default_elf_asm_named_section): Output SECTION_MERGE and
1204 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1205 * output.h (mergeable_string_section): New.
1206 (mergeable_constant_section): New.
1207 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1208 * toplev.c (flag_merge_constants): New.
1209 (f_options): Add -fmerge-constants and -fmerge-all-constants
1211 (toplev_main): Default to -fno-merge-constants if not optimizing.
1212 * flags.h (flag_merge_constants): Add extern.
1213 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1214 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1216 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1217 Define if assembler has working .subsection -1 support.
1218 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1219 Put constant into special SHF_MERGE sections if the linker should
1220 attempt to merge duplicates.
1221 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1223 Put constant into special SHF_MERGE sections if the linker should
1224 attempt to merge duplicates.
1225 * config/alpha/elf.h: Likewise.
1226 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1227 has working .subsection -1 support.
1228 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1230 * config/svr3.h: Likewise.
1231 * config/darwin.h: Likewise.
1232 * config/arm/aof.h: Likewise.
1233 * config/arm/linux-elf.h: Likewise.
1234 * config/avr/avr.h: Likewise.
1235 * config/c4x/c4x.h: Likewise.
1236 * config/d30v/d30v.h: Likewise.
1237 * config/i386/dgux.h: Likewise.
1238 * config/i386/osfrose.h: Likewise.
1239 * config/i386/sco5.h: Likewise.
1240 * config/i386/svr3gas.h: Likewise.
1241 * config/ia64/aix.h: Likewise.
1242 * config/m32r/m32r.h: Likewise.
1243 * config/m68k/m68k.h: Likewise.
1244 * config/m88k/dgux.h: Likewise.
1245 * config/m88k/m88k.h: Likewise.
1246 * config/mcore/mcore-pe.h: Likewise.
1247 * config/mips/mips.h: Likewise.
1248 * config/pa/pa.h: Likewise.
1249 * config/pa/pa-linux.h: Likewise.
1250 * config/romp/romp.h: Likewise.
1251 * config/rs6000/sysv4.h: Likewise.
1252 * config/rs6000/xcoff.h: Likewise.
1253 * config/s390/linux.h: Likewise.
1254 * config/sparc/sparc.h: Likewise.
1255 * config/sparc/sysv4.h: Likewise.
1256 * config/stormy16/stormy16.h: Likewise.
1257 * config/v850/v850.h: Likewise.
1258 * config/vax/vms.h: Likewise.
1259 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1260 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1261 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1262 default_elf_asm_named_section for SHF_MERGE sections.
1264 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1266 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1269 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1271 * c-common.c (split_specs_attrs): Allow for empty attributes with
1272 empty TREE_PURPOSE. Fixes PR c/4294.
1274 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1276 * basic-block.h (cached_make_edge, make_single_succ): New.
1277 (make_edge): Remove first parameter.
1278 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1279 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1280 created edge; use obstack allocation.
1281 (make_edge, make_single_succ_edge): New.
1282 (first_removed_edge): New static variable.
1283 (init_flow): Initialize first_removed_edge and n_edges.
1284 (clear_edges): Use remove_edge.
1285 (flow_delete_block): Likewise.
1286 (remove_edge): Add removed edges to the removed edges list.
1287 (split_block, redirect_edge_and_branch_force, split_edge):
1289 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1290 (add_noreturn_fake_exit_edges): Likewise.
1291 (connect_infinite_loops_to_exit): Liekwise.
1292 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1293 Use cached_make_edge.
1294 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1295 * profile.c (branch_prob): Update make_edge call.
1296 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1298 2001-09-11 Richard Henderson <rth@redhat.com>
1300 * config/alpha/alpha.c: Tidy formatting.
1301 (local_symbolic_operand): Verify mode.
1302 (alpha_sa_mask): Ignore unicos for eh_return.
1303 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1304 * config/alpha/alpha.md (umk divsi patterns): Remove.
1305 (extendsfdf2): Remove unicos check.
1306 (tablejump): Merge vms and unicos code; always use direct set
1309 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1311 * config.gcc (alpha*-*-unicosmk*): New target.
1313 * config/alpha/alpha-protos.h (symbolic_operand,
1314 unicosmk_add_call_info_word, unicosmk_add_extern,
1315 unicosmk_defer_case_vector, unicosmk_unique_section,
1316 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1317 unicosmk_asm_file_start, unicosmk_asm_file_end,
1318 unicosmk_output_common): Declare.
1320 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1321 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1322 alpha_does_function_need_gp, alpha_end_function): Support Cray
1324 (alpha_init_machine_status, alpha_mark_machine_status,
1325 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1326 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1327 unicosmk_asm_named_section, unicosmk_insert_attributes,
1328 unicosmk_section_type_flags, symbolic_operand,
1329 unicosmk_output_module_name, unicosmk_output_default_externs,
1330 unicosmk_output_dex, unicosmk_output_externs,
1331 unicosmk_output_addr_vec, unicosmk_ssib_name,
1332 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1333 unicosmk_asm_file_end, unicosmk_output_common,
1334 unicosmk_section_type_flags, unicosmk_unique_section,
1335 unicosmk_add_call_info_word, unicosmk_text_section,
1336 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1337 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1338 unicosmk_dex_count, unicosmk_special_name): New.
1339 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1340 TARGET_ABI_UNICOSMK.
1341 (get_aligned_mem, alpha_expand_unaligned_load,
1342 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1343 alpha_expand_unaligned_store_words): Support big-endian mode.
1344 (print_operand): Likewise. New format specifier 't'. Use
1345 TARGET_AS_SLASH_BEFORE_SUFFIX.
1346 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1347 (alpha_pv_save_size): Update with above change.
1348 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1349 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1352 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1353 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1354 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1355 (EXTRA_CONSTRAINT): New constraint 'U'.
1356 (PREDICATE_CODES): Add symbolic_operand.
1358 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1359 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1360 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1361 (integer division and modulus patterns): Split in default and
1363 (*divmodsi_internal, *divmoddi_internal): Disable for
1364 TARGET_ABI_UNICOSMK.
1365 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1366 little-endian and big-endian versions.
1367 (ext, ins, msk): Likewise.
1368 (extv, extzv, insv): Support big-endian mode.
1369 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1370 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1371 *tablejump_umk_internal, *call_value_umk): New.
1372 (*movdi_nofix): Add pattern for loading an address into a register on
1373 TARGET_ABI_UNICOSMK.
1374 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1375 (umk_mismatch_args, arg_home_umk): New.
1376 (various insns): Don't use mov, fmov, nop, fnop and unop.
1377 (realign): Support TARGET_ABI_UNICOSMK.
1379 * config/alpha/unicosmk.h: New file.
1380 * config/alpha/t-unicosmk: New file.
1382 * fixinc/inclhack.def (unicosmk_restrict): New.
1383 * fixinc/fixincl.x: Regenerate.
1385 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1386 (wchar_t): Check for and define __WCHAR_T__.
1388 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1390 * combine.c (simplify_shift_const): Treat shifts by the mode
1393 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1395 * cpphash.h (struct tokenrun): New.
1396 (struct cpp_context): New member bol.
1397 (struct cpp_reader): New members.
1398 (_cpp_init_tokenrun): New.
1399 * cppinit.c (cpp_create_reader): Set up the token runs.
1400 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1401 (lex_token): New internalised version of _cpp_lex_token. Don't
1402 handle directives or the multiple include opimisation here any
1403 more. Simply lex a token.
1404 * cpplib.c (run_directive): Clear bol.
1405 (_cpp_pop_buffer): Set bol.
1406 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1409 2001-09-11 Michael Meissner <meissner@redhat.com>
1411 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1412 give an error if the user uses -mfp32.
1413 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1415 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1416 floating point register size.
1417 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1419 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1420 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1422 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1423 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1425 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1427 * dbxout.c (dbxout_parms): Fix typo in comment.
1428 * unroll.c (loop_find_equiv_value): Ditto.
1429 * toplev.c (rest_of_compilation): Ditto.
1430 * loop.c (scan_loop): Ditto.
1431 * dwarf2out.c (struct dw_fde_struct): Ditto.
1433 2001-09-10 Zack Weinberg <zackw@panix.com>
1435 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1436 copying identifier when we're just going to throw it away.
1437 (parse_identifier_slow): New routine to handle abnormal cases.
1438 (_cpp_lex_token): Update call site.
1440 * hashtable.c (ht_lookup): Don't assume that the string we've
1441 been given is NUL-terminated.
1442 * system.h: #define __builtin_expect(a, b) to (a) if not
1445 2001-09-10 Michael Meissner <meissner@redhat.com>
1447 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1450 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1452 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1454 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1456 * builtins.c (c_getstr): Correct thinko in last change and further
1459 2001-09-10 Tim Freeman <tim@fungibole.com>
1461 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1462 into varray's and register them as roots with the garbage
1463 collector so they are not collected too soon.
1465 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1467 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1469 * basic-block.h (flow_obstack, label_value_list,
1470 tail_recursion_label_list): Declare
1471 (tidy_fallthru_edges): Declare.
1472 (expunge_block, last_loop_beg_note): Delete.
1473 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1475 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1476 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1477 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1478 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1479 expunge_block, flow_delete_block, compute_bb_for_insn,
1480 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1481 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1482 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1483 try_redirect_by_replacing_jump, last_loop_beg_note,
1484 redirect_edge_and_branch, redirect_edge_and_branch_force,
1485 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1486 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1487 commit_edge_insertions, dump_flow_info, debug_flow_info,
1488 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1489 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1490 Move here from flow.c
1491 * cfganal.c: New file.
1492 (forwarder_block_p, can_fallthru, mark_critical_edges,
1493 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1494 find_unreachable_blocks, create_edge_list, free_edge_list,
1495 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1496 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1497 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1498 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1499 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1500 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1501 Move here from flow.c
1502 * cfgbuild.c: New file
1503 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1504 make_edges, find_basic_blocks_1, find_basic_blocks,
1505 find_sub_basic_blocks): Move here from flow.c
1506 * cfgcleanup.c: New file.
1507 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1508 merge_blocks_move_predecessor_nojumps,
1509 merge_blocks_move_successor_nojumps, merge_blocks,
1510 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1511 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1512 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1514 * cfgloop.c: New file
1515 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1516 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1517 flow_loop_exit_edges_find, flow_loop_nodes_find,
1518 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1519 flow_loop_tree_node_add, flow_loops_tree_build,
1520 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1521 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1522 Move here from flow.c
1523 * flow.c: Remove everything moved elsewhere
1524 * output.h (cleanup_cfg): Return bool.
1526 * bb-reorder.c (reorder_block_def): Remove 'index'.
1527 (insert_intra_1): Add argument BB, set block for new note.
1528 (make_reorder_chain): Do not depdent on BB indexes.
1529 (make_reorder_chain_1): Do not use BB indexes.
1530 (label_for_bb): Likewise; set BB for new insn.
1531 (emit_jump_to_block_after): Likewise.
1532 (fixup_reoder_chain): Sanity check that all basic blocks
1533 are chained; verify newly created insn chain; remove
1534 undocnitional jump simplifying; Do not use BB indexes;
1535 properly initialize count and frequency information;
1536 dump reordered sequence.
1537 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1538 (insert_inter_bb_scope_notes): Set block for new insn.
1539 (reorder_basic_blocks): Dump flow info before reoredering.
1541 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1543 * alias.c (clear_reg_alias_info): Use K&R format definition.
1544 Avoid unsigned warning.
1545 * builtins.c: Use "unsigned int", not "unsigned".
1546 (target_char_cast): Use host_integerp and tree_low_cst.
1547 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1548 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1549 (c_getstr): Likewise.
1550 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1551 (builtin_memcpy_read_str): Avoid unsigned warning.
1552 (expand_builtin_memcpy): Alignments are unsigned.
1553 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1554 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1555 * predict.c (expensive_function_p): LIMIT now unsigned.
1556 * resource.c (mark_target_live_regs): Make some vars unsigned.
1557 * sdbout.c: Use "unsigned int", not "unsigned".
1558 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1559 (sdbout_source_line): Likewise.
1560 (sdbout_record_type_name): Remove "const" for NAME declaration.
1561 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1563 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1565 * calls.c (store_one_arg): Expand comment.
1567 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1569 * calls.c (store_one_arg): Make sure that the entire argument is
1570 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1572 2001-09-09 Richard Henderson <rth@redhat.com>
1574 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1576 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1578 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1580 2001-09-09 Richard Henderson <rth@redhat.com>
1582 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1583 (alpha_this_literal_sequence_number): New.
1584 (alpha_this_gpdisp_sequence_number): New.
1585 (some_operand, input_operand): Add HIGH.
1586 (local_symbolic_operand): New.
1587 (alpha_encode_section_info): New.
1588 (alpha_legitimate_address_p): Allow LO_SUM.
1589 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1590 (alpha_expand_mov): Likewise.
1591 (secondary_reload_class): Check memory_operand not general_operand
1593 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1594 (alpha_expand_unaligned_store): Likewise.
1595 (alpha_expand_unaligned_load_words): Likewise.
1596 (alpha_expand_unaligned_store_words): Likewise.
1597 (alpha_expand_block_clear): Likewise.
1598 (print_operand): Handle %#, %*, %H.
1599 (print_operand_address): Handle LO_SUM.
1601 (alpha_does_function_need_gp): Use it.
1602 (alpha_expand_block_move): Fix signed compare warnings.
1603 (alpha_sa_mask, alpha_align_insns): Likewise.
1604 * config/alpha/alpha-protos.h: Update.
1605 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1606 (MASK_EXPLICIT_RELOCS): New.
1607 (TARGET_SWITCHES): Add -mexplicit-relocs.
1608 (EXTRA_CONSTRAINT): Add 'T'.
1609 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1610 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1611 (ENCODE_SECTION_INFO): Out line.
1612 (REDO_SECTION_INFO_P): New.
1613 (STRIP_NAME_ENCODING): New.
1614 (ASM_OUTPUT_LABELREF): New.
1615 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1616 (PREDICATE_CODES): Update.
1617 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1618 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1619 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1620 builtin_setjmp_receiver_er, exception_receiver_1_er,
1621 call_value_osf_1_er): New patterns.
1622 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1623 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1624 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1625 (FINAL_PRESCAN_INSN): New.
1627 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1629 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1631 2001-09-08 Andreas Jaeger <aj@suse.de>
1633 * i386.h (TARGET_SWITCHES): Fix description.
1635 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1637 * rs6000.c (num_insns_constant): Compute number of instructions
1640 * doc/install.texi: Explain AIX exception handling work-around.
1641 Update URL for AIX fixes.
1643 2001-09-07 Jim Wilson <wilson@redhat.com>
1645 * alias.c (clear_reg_alias_info): New.
1646 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1647 * rtl.h (clear_reg_alias_info): Declare.
1649 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1651 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1653 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1654 (m16m,edivm,emulm): Change declaration to match definition.
1656 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1658 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1659 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1662 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1664 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1665 which have no corresponding C type.
1666 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1667 the representation of 64-bit doubles to work with 64-bit ints.
1669 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1671 * config/mips/mips.c (override_options): Do not override ISA when ABI
1672 specified if MIPS_CPU_STRING_DEFAULT was specified.
1674 2001-09-07 Richard Henderson <rth@redhat.com>
1676 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1677 (express_from_1): Wrap lines.
1678 * rtlanal.c (commutative_operand_precedence): Rename from
1679 operand_preference; export.
1680 * rtl.h: Declare it.
1681 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1682 (simplify_binary_operation): Invoke simplify_plus_minus on
1683 (CONST (PLUS ...)) as well.
1684 (struct simplify_plus_minus_op_data): New.
1685 (simplify_plus_minus_op_data_cmp): New.
1686 (simplify_plus_minus): Use them. Avoid infinite recursion with
1687 simplify_binary_operation wrt CONST.
1689 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1691 * h8300-protos.h (general_operand_dst_push): Remove.
1692 * h8300.c (general_operand_dst_push): Likewise.
1693 * h8300.h (OK_FOR_T): Likewise.
1694 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1695 * h8300.md (pushqi_h8300): New.
1696 (pushqi_h8300hs): Likewise.
1698 (pushhi_h8300): Likewise.
1699 (pushhi_h8300hs): Likewise.
1702 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1704 * genattrtab.c (attr_printf): First arg is unsigned.
1705 Clean up formatting of callers.
1707 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1709 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1712 2001-09-07 Andreas Jaeger <aj@suse.de>
1714 * i386.h (TARGET_SWITCHES): Fix descriptions.
1716 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1718 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1720 2001-09-06 Ira Ruben <ira@apple.com>
1722 Remove OP_IDENTIFIER.
1723 * tree.def (OP_IDENTIFIER): Remove.
1724 * tree.c (tree_node_kind enum): Remove op_id_kind.
1725 (tree_node_kind_names): Remove "op_identifiers".
1726 (make_node): Remove OP_IDENTIFIER test.
1727 (build_op_identifier): Removed because it isn't being used.
1728 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1729 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1731 2001-09-06 Richard Henderson <rth@redhat.com>
1733 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1735 2001-09-06 Richard Henderson <rth@redhat.com>
1737 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1740 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1742 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1743 number used for CR register.
1745 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1746 Joern Rennecke (amylaar@cygnus.com)
1748 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1749 * h8300.c (initial_offset): Handle offset between RP and FP.
1750 (h8300_return_addr_rtx): New function.
1751 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1753 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1754 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1755 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1756 (CAN_ELIMINATE, REGISTER_NAMES):
1757 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1759 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1761 Remove TYPE_NONCOPIED_PARTS.
1762 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1763 (struct tree_type): Remove noncopied_parts.
1764 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1765 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1766 (fixed_type_p): Remove.
1767 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1768 (expand_expr, MODIFY_EXPR): Likewise.
1769 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1770 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1772 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1774 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1776 (mask64_operand): Likewise.
1777 (includes_rldic_lshift_p): Likewise.
1778 (includes_rldicr_lshift_p): Likewise.
1780 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1782 * objc/objc-act.c (build_message_expr): If a class method cannot
1783 be found, do not issue a warning if a corresponding instance
1784 method exists in the root class.
1786 2001-09-05 Richard Henderson <rth@redhat.com>
1788 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1790 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1792 * function.c (ggc_mark_struct_function): Mark f->outer.
1793 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1794 * integrate.c (output_inline_function): ... not here.
1796 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1798 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1800 * i386.c (size_cost): New static variable.
1801 (override_function): Use size_cost when -Os is specified.
1803 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1804 properly; Use current_function_calls_eh_return.
1805 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1806 use leave to avoid depdendancy chain.
1808 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1809 get BB loop_depth instead of computing it from LOOP notes.
1811 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1813 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1815 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1816 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1817 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1819 2001-09-05 Jeffrey A Law (law@cygnus.com)
1820 Jason Merrill (jason@redhat.com)
1822 * stor-layout.c (layout_type): Complain if an array's size can
1823 not be represented in a size_t.
1825 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1827 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1829 * gcc.c: (process_command) Add parentheses around assignment
1830 used as truth value.
1832 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1834 * config/mips/mips.c (save_restore_insns): Don't mark any register
1835 save slots as unchanging if current_function_calls_eh_return.
1837 2001-09-05 Richard Henderson <rth@redhat.com>
1839 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1840 * config/alpha/alpha-protos.h: Declare it.
1841 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1842 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1843 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1844 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1845 (REG_OK_FOR_BASE_P): Select one of the above.
1847 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1849 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1850 (crti.o): Prefix name of object file with $(T).
1853 2001-09-05 David S. Miller <davem@redhat.com>
1855 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1856 * config/sparc/linux64.h: Likewise.
1858 2001-09-05 Andreas Jaeger <aj@suse.de>
1860 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1861 available anymore, remove the documentation.
1862 (i386 Options): Fix typo, cleanup index entries.
1864 * prefix.c (concat): Remove, we can use the version from liberty.
1866 2001-09-05 Richard Henderson <rth@redhat.com>
1868 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1869 New functions split out of md file expanders.
1870 * config/alpha/alpha-protos.h: Declare them.
1871 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1873 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1875 * cppmacro.c (funlike_invocation_p): No need to restore context.
1877 2001-09-04 Richard Henderson <rth@redhat.com>
1879 * reload.c (push_reload): Export.
1880 * reload.h (push_reload): Declare it.
1882 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1883 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1884 * config/alpha/alpha.c (alpha_legitimize_address): New.
1885 (alpha_legitimize_reload_address): Likewise.
1886 * config/alpha/alpha-protos.h: Declare them.
1888 2001-09-04 Stan Shebs <shebs@apple.com>
1890 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1891 * config/darwin.c (machopic_stub_name): Account for internally
1892 generated lib calls such as memcpy.
1894 2001-09-04 Richard Henderson <rth@redhat.com>
1896 * unwind.h (_UA_END_OF_STACK): New flag.
1897 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1899 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1901 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1903 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1905 * config/mips/mips.c (save_restore_insns): Change base_offset to
1906 fp_offset in second call to mips_emit_frame_related_store.
1908 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1910 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1911 sometimes be represented as a NOTE of type
1912 NOTE_INSN_DELETED_LABEL.
1913 (Insns): Document NOTE_INSN_DELETED_LABEL.
1915 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1917 * c-common.h (tree_dump_index): Add more comments.
1918 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1919 (dump_option_value_info): New struct.
1920 (dump_options): New array.
1921 (dump_switch_p): Parse switch options symbolically.
1922 * doc/invoke.texi (-fdump-ast): Rename to ...
1923 (-fdump-tree): ... here. Document that options are symbolic, and
1924 not all are applicable.
1926 2001-09-04 David S. Miller <davem@redhat.com>
1928 * config/sparc/sparc.md (define_splits): Kill constraints.
1930 Cleanup redundant and unused insn attributes.
1931 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1932 binary, and move. Mark ialu as default.
1933 (commented out define_function_unit "alu"): Kill.
1934 (define_attr "use_clobbered"): Kill.
1935 (whole file): Kill address insn type references. Replace
1936 all unary/binary/move references with ialu.
1937 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1938 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1941 Simplify length insn attribute and make more judicious use
1942 of insn attribute defaulting.
1943 * config/sparc/sparc.md (all insns with length > one): Mark as
1944 insn type multi if real instructions, else use default if
1945 it is a forced splitter.
1946 (all insns with length == one): Use default insn length.
1947 (all insns of type ialu): Use default insn type.
1949 Fix erroneous insn attribute settings.
1950 (addx): Set insn type to misc.
1951 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1952 const_umulsidi3_sp64): Set insn type to imul.
1954 Track SFmode vs DFmode insns according to UltraSPARC
1956 * config/sparc/sparc.md ("fptype"): New attribute, default
1958 (all DFmode single insns): Mark as fptype "double".
1960 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1962 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1964 2001-09-03 Richard Henderson <rth@redhat.com>
1966 * function.h (struct function): Add arg_pointer_save_area_init.
1967 * function.c (expand_function_end): Init arg_pointer_save_area.
1968 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1969 when called from a nested function.
1971 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1973 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1976 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1978 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1980 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1982 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1983 (emit_push_insn): Use specified padding direction when
1984 STACK_PUSH_CODE is POST_INC.
1986 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1988 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1990 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1992 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1994 * cppinit.c (cpp_start_read): Free the imacros list as we
1995 traverse it. Don't free the chains before returning.
1996 (_cpp_push_next_buffer): Only try pushing buffers if we've
1997 completed -imacros handling.
1999 2001-08-31 Eric Christopher <echristo@redhat.com>
2001 * gcc.c (handle_braces): Add explaination for abort.
2003 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2005 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2006 move adjustment of bitpos instead.
2008 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2010 * function.c: Remove all_functions. Make outer_function_chain
2012 (init_function_start): Don't add new function structure to
2014 (find_function_data, push_function_context_to,
2015 pop_function_context_from, put_var_into_stack,
2016 trampoline_address): Update for changed structure element names.
2017 (push_function_context_to): Disentangle.
2018 (free_after_compilation): Also free F.
2019 (expand_dummy_function_end): Don't free cfun here.
2020 (put_var_into_stack): Comment why we can't use find_function_data here.
2021 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2022 (mark_function_chain): Split into maybe_mark_struct_function and
2023 ggc_mark_struct_function. Export the latter.
2024 (init_function_once): Mark from cfun and outer_function_chain;
2027 * function.h (struct function): Kill next_global. Rename next
2028 to outer. All users updated to match.
2029 (all_functions, outer_function_chain): Don't declare.
2031 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2032 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2033 don't touch f->inlinable, after calling rest_of_compilation.
2035 * tree.h: Forward-declare struct function. Prototype
2036 ggc_mark_struct_function.
2038 2001-08-31 Kazu Hirata <kazu@hxi.com>
2040 * config/h8300/h8300.md (*andorhi3): Fix typos.
2042 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2044 * calls.c (emit_library_call_value): Don't use a fixed
2045 argument after VA_CLOSE, i.e. out of scope in traditional C.
2047 * emit-rtl.c (gen_rtvec): Likewise.
2049 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2051 * Makefile.in (c-pragma.o): Depend on output.h.
2052 (reorg.o): Depend on except.h.
2054 * c-pragma.c: Include output.h.
2056 * reorg.c: Include except.h.
2058 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2060 2001-08-31 Richard Henderson <rth@redhat.com>
2062 * sched-deps.c (add_dependence): Don't elide dependancy if the
2063 conditional used by insn is modified in elem.
2065 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2067 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2069 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2071 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2074 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2076 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2078 (stormy16_asm_out_constructor): New function.
2079 (TARGET_ASM_CONSTRUCTOR): Define.
2080 (TARGET_ASM_DESTRUCTOR): Define.
2082 2001-08-31 Andreas Jaeger <aj@suse.de>
2084 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2085 * loop.c (add_label_notes): Likewise.
2086 * reload.c (find_reloads): Likewise.
2087 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2089 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2091 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2092 code here. Take _Unwind_{W,Sw}ord*.
2093 (read_encoded_value_with_base): Use them.
2094 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2096 (extract_cie_info): Simplify read_?leb128 handling.
2097 (execute_stack_op, execute_cfa_program): Likewise.
2098 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2100 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2102 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2103 the frame pointer to pop the stack if convenient.
2105 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2106 Don't use post-increment before combine.
2107 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2108 a call-saved register.
2110 2001-08-31 Andreas Jaeger <aj@suse.de>
2112 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2115 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2117 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2118 not DIV/MOD, of course.
2120 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2122 * rtl.def: Undo my patch commited 2001-08-27.
2124 * genattrtab.c: Ditto.
2128 * sched-int.h: Ditto.
2130 * target-def.h: Ditto.
2134 * haifa-sched.c: Ditto.
2136 * sched-rgn.c: Ditto.
2138 * sched-vis.c: Ditto.
2140 * Makefile.in: Ditto.
2142 * doc/md.texi: Ditto.
2144 * doc/tm.texi: Ditto.
2146 * doc/contrib.texi: Ditto.
2148 * doc/gcc.texi: Ditto.
2150 * genattrtab.h: Remove it.
2152 * genautomata.c: Remove it.
2154 * genattr.c: Undo my patch and Richard Henderson's patch commited
2157 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2159 * config.gcc (h8300-*-elf*): New case.
2160 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2161 (SUBTARGET_CPP_SPEC): Define.
2162 (EXTRA_SPECS): Define.
2163 (SUBTARGET_EXTRA_SPECS): Define.
2164 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2165 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2167 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2169 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2170 (LIB2FUNCS_EXTRA): Define.
2171 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2172 config/h8300/fixunssfsi.c: New file.
2174 2001-08-30 Kazu Hirata <kazu@hxi.com>
2176 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2177 define_expand to accomodate target-specific attributes.
2178 (anonymous zero_extendqihi2 patterns): New.
2180 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2182 * h8300.md (*andorhi3): New pattern.
2184 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2186 * h8300.c (dosize): Fix test for "sub".
2188 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2190 * c-typeck.c (pointer_diff): Try to eliminate common term before
2193 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2195 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2196 Account for the saves of the FP registers.
2198 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2199 (TEXT_SECTION_ASM_OP): Define.
2200 (INIT_SECTION_ASM_OP): Define.
2201 (FINI_SECTION_ASM_OP): Define.
2202 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2203 (RDATA_SECTION_FUNCITON): Provide prototype.
2205 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2207 * reload1.c (move2add_note_store): Correct typo checking for
2210 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2212 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2213 note should not be considered outside the libcall block.
2215 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2217 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2219 2001-08-29 Kazu Hirata <kazu@hxi.com>
2221 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2223 2001-08-29 Kazu Hirata <kazu@hxi.com>
2225 * config/h8300/h8300-protos.h: Add a prototype for
2227 * config/h8300/h8300.c (emit_logical_op): New.
2228 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2235 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2237 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2238 comparison with rtx INTVAL.
2239 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2241 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2243 2001-08-29 Kazu Hirata <kazu@hxi.com>
2245 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2248 2001-08-29 Kazu Hirata <kazu@hxi.com>
2250 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2251 (reg n) to (mem (pre_dec (reg n))
2252 (anonymous movsi pattern): Likewise.
2254 2001-08-29 Kazu Hirata <kazu@hxi.com>
2256 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2258 2001-08-29 Kazu Hirata <kazu@hxi.com>
2260 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2261 several special constants.
2263 2001-08-29 Kazu Hirata <kazu@hxi.com>
2265 * config/h8300/lib1funcs.asm: Fix comment typos.
2267 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2269 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2270 Fix format specifier warnings.
2272 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2273 inet_makeaddr, semctl): Prototype.
2275 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2276 (save_restore_insns): Use base_offset, not gp_offset.
2278 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2279 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2281 2001-08-29 Richard Henderson <rth@redhat.com>
2283 * bb-reorder.c (function_tail_eff_head): New.
2284 (record_effective_endpoints): Set it.
2285 (fixup_reorder_chain): Use it.
2287 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2289 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2291 2001-08-28 Dale Johannesen <dalej@apple.com>
2293 * config/darwin.c (machopic_function_base_name): Add const
2294 qualifier to a string.
2295 (darwin_encode_section_info): Ditto.
2297 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2299 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2300 function definition.
2302 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2304 * df.h (struct df): Add rts_order variable.
2306 * df.c (df_visit_next_rts): New function.
2307 (df_visit_next): Renamed to df_visit_next_rc
2308 (df_analyse_1): Allocate/compute/free rts_order as well.
2309 (df_rd_global_compute): Use df_visit_next_rc instead of
2311 (df_ru_global_compute): Use df_visit_next_rts instead of
2314 * flow.c (flow_reverse_top_sort_order_compute): New function.
2316 * basic-block.h: Add prototype.
2318 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2320 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2321 blocks, the BB_REACHABLE is now set, rather than aux being
2322 non-NULL. Update the test to reflect this.
2324 2001-08-28 Eric Christopher <echristo@redhat.com>
2326 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2327 config/mips/crti.asm: Ditto.
2329 2001-08-28 Eric Christopher <echristo@redhat.com>
2330 Richard Henderson <rth@redhat.com>
2332 * c-pragma.h (add_weak): Move prototype from here...
2333 * output.h (add_weak): ... to here.
2334 * varasm.c (add_weak): Fix typo.
2335 * config/mips/crti.asm: New file.
2336 * config/mips/crtn.asm: Ditto.
2337 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2338 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2339 (INVOKE__main): Ditto.
2340 (INIT_SECTION_ASM_OP): New.
2341 (FINI_SECTION_ASM_OP): Ditto.
2342 (STARTFILE_SPEC): Add crti.
2343 (ENDFILE_SPEC): Add crtn.
2344 * config/mips/elf64.h: Same.
2345 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2347 * config/mips/vxworks.h: Ditto.
2348 * config/mips/t-elf: Support crti and crtn.
2350 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2352 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2355 2001-08-28 Richard Henderson <rth@redhat.com>
2357 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2358 (one_cmplbi2 splitter): Remove redundant test.
2360 2001-08-28 Dale Johannesen <dalej@apple.com>
2362 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2364 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2366 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2368 2001-08-28 Stan Shebs <shebs@apple.com>
2370 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2371 (UNALIGNED_SHORT_ASM_OP): Define.
2372 (UNALIGNED_INT_ASM_OP): Define.
2374 2001-08-28 Will Cohen <wcohen@redhat.com>
2376 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2377 generation for first set.
2379 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2381 * flow.c (redirect_edge_succ_nodup): Return new edge.
2382 (try_simplify_condjump): Use new edge.
2383 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2385 * cse.c (cse_basic_block): Skip note instructions.
2387 2001-08-27 Richard Henderson <rth@redhat.com>
2389 * combine.c (combine_simplify_rtx): Don't reverse condition
2390 if there is no reverse for the condition.
2391 (simplify_comparison): Don't simplify subregs from INT to FP.
2393 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2394 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2395 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2396 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2397 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2398 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2400 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2402 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2403 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2405 (adddi_dilshr32, adddi_dishl32): Only data register can be
2406 source for mem destination.
2408 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2409 and use bitnum to decide about register move.
2411 2001-08-27 Richard Henderson <rth@redhat.com>
2413 * genattr.c (main): Emit state_t even when not doing scheduling.
2415 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2416 Richard Henderson <rth@redhat.com>
2418 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2419 (reg_avail_info, current_bb): ... these.
2420 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2421 (compute_hash_table): Likewise.
2423 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2425 * flow.c (verify_flow_info): Use checksums to verify edges.
2427 2001-08-27 Richard Henderson <rth@redhat.com>
2429 * genautomata.c (expand_automata): Always create a description.
2431 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2433 * optabs.c (expand_binop): Correctly handle the carry in multiword
2434 add/subtract operations.
2436 2001-08-27 Fred Fish <fnf@be.com>
2438 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2441 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2443 * reload.c (find_reloads_toplev): Back out this change:
2445 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2447 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2448 mem if the address is a mode_dependent_address_p.
2450 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2452 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2453 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2454 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2457 * genattr.c (main): New variable num_insn_reservations. Increase
2458 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2459 pipeline hazard recognizer interface.
2461 * genattrtab.h: New file.
2463 * genattrtab.c: Include genattrtab.h.
2464 (attr_printf, check_attr_test, make_internal_attr,
2465 make_numeric_value): Move protypes into genattrtab.h. Define them
2467 (num_dfa_decls): New global variable.
2468 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2469 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2470 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2471 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2473 * genautomata.c: New file.
2475 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2477 * sched-int.h: (curr_state): Add the external definition for
2478 automaton pipeline interface.
2479 (haifa_insn_data): Add comments for members blockage and units.
2481 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2482 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2483 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2484 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2485 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2486 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2487 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2489 (TARGET_SCHED): Use the new macros.
2491 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2492 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2493 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2494 dfa_bubble): New members in gcc_target.sched.
2496 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2497 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2498 (insn_queue): Redefine it as pointer to array.
2499 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2501 (max_insn_queue_index_macro_value): New variable.
2502 (curr_state, dfa_state_size, ready_try): New varaibles for
2503 automaton interface.
2504 (ready_element, ready_remove, max_issue): New function prototypes
2505 for automaton interface.
2506 (choose_ready): New function prototype.
2507 (insn_unit, blockage_range): Add comments.
2508 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2509 FUNCTION_UNITS_SIZE == 0.
2510 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2511 actual_hazard, potential_hazard): Add comments.
2512 (insn_cost): Use cost -1 as undefined value. Remove
2513 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2515 (ready_element, ready_remove): New functions for automaton
2517 (schedule_insn): Add new code for automaton pipeline interface.
2518 (queue_to_ready): Add new code for automaton pipeline interface.
2519 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2520 (debug_ready_list): Print newline when the queue is empty.
2521 (max_issue): New function for automaton pipeline interface.
2522 (choose_ready): New function.
2523 (schedule_block): Add new code for automaton pipeline interface.
2524 Print ready list before scheduling each insn.
2525 (sched_init): Add new code for automaton pipeline interface.
2526 Initiate insn cost by -1.
2527 (sched_finish): Free the current automaton state and finalize
2528 automaton pipeline interface.
2530 * sched-rgn.c: Include target.h.
2531 (init_ready_list, new_ready, debug_dependencies): Add new code for
2532 automaton pipeline interface.
2534 * sched-vis.c: Include target.h.
2535 (get_visual_tbl_length): Add code for automaton interface.
2536 (target_units, print_block_visualization): Add comments.
2538 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2539 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2540 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2541 (getruntime.o, genautomata.o): New entries.
2542 (genattrtab.o): Add new dependency file genattrtab.h.
2543 (genattrtab): Add new dependencies. Link it with `libm.a'.
2544 (getruntime.o, hashtab.o): New entries for canadian cross.
2546 * doc/md.texi: Description of automaton based model.
2548 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2550 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2551 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2552 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2553 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2554 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2555 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2556 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2558 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2559 MAX_DFA_ISSUE_RATE): New macro descriptions.
2561 * doc/contrib.texi: Add dfa based scheduler contribution.
2563 * doc/gcc.texi: Add more information about genattrtab.
2565 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2567 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2570 2001-08-27 Richard Henderson <rth@redhat.com>
2572 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2573 (get_arg_pointer_save_area): New. Create an init it here.
2574 (fix_lexical_addr): Use it.
2575 * function.h: Declare it.
2576 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2577 * stmt.c (expand_nl_goto_receiver): Use it.
2579 2001-08-27 Richard Henderson <rth@redhat.com>
2581 * final.c (final_scan_insn): Don't enter APP_ON mode for
2584 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2585 alignment for assemble_integer for DW_EH_PE_aligned.
2586 * except.c (output_function_exception_table): Likewise.
2588 2001-08-26 Andreas Jaeger <aj@suse.de>
2590 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2592 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2594 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2596 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2598 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2600 (mask64_operand): Likewise.
2601 (rldic_operand): Delete.
2602 (includes_lshift64_p): Delete.
2603 (includes_rldic_lshift_p): New function.
2604 (includes_rldicr_lshift_p): New function.
2605 (print_operand): Don't call rldic_operand in case 'W'.
2606 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2607 (includes_lshift64_p): Remove.
2608 (includes_rldic_lshift_p): Declare.
2609 (includes_rldicr_lshift_p): Declare.
2610 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2611 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2612 Replace match_operand rldic_operand predicate with
2613 const_int_operand. Replace includes_lshift64_p condition with
2614 includes_rldic_lshift_p.
2615 <ashldi3_internal 64 bit rldicr patterns>: New.
2617 2001-08-27 Andreas Jaeger <aj@suse.de>
2619 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2620 * errors.c: Likewise.
2621 * final.c: Likewise.
2622 * dwarf2asm.c: Likewise.
2623 * doprint.c (checkit): Likewise.
2624 * diagnostic.c: Likewise.
2625 * collect2.c: Likewise.
2626 * calls.c: Likewise.
2627 * c-semantics.c (build_stmt): Likewise.
2628 * c-format.c (status_warning): Likewise.
2629 * c-errors.c (pedwarn_c99): Likewise.
2630 * builtins.c (validate_arglist): Likewise.
2631 * config/pj/pj.c (pj_printf): Likewise.
2632 * fix-header.c: Likewise.
2634 * gcov.c (fnotice): Likewise.
2635 * gensupport.c (message_with_line): Likewise.
2636 * mips-tfile.c: Likewise.
2637 * protoize.c (notice): Likewise.
2638 * read-rtl.c (fatal_with_file_and_line): Likewise.
2639 * rtl-error.c: Likewise.
2640 * tradcpp.c: Likewise.
2642 * cp/tree.c (build_min_nt): Likewise.
2643 (build_min): Likewise.
2644 * cp/lex.c: Likewise.
2645 * cp/errfn.c: Likewise.
2646 * cp/rtti.c (create_pseudo_type_info): Likewise.
2648 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2650 * df.c (df_uses_record): Return after recording all uses
2653 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2655 * df.c (df_insn_modify): Realloc the INSN table here, if
2656 necessary, here, too.
2658 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2660 * config/mips/mips.c (mips_function_value): Handle complex return
2663 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2665 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2667 * reload.c (make_memloc): Copy result if it is still
2668 reg_equiv_memory_loc[regno] on return.
2669 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2670 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2671 reg_equiv_mem are modified by the substitutions.
2673 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2675 * predict.c (expensive_function_p): New.
2676 * rtl.h (expensive_function_p): Declare.
2677 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2678 (use_fast_prologue_epilogue): New static variable.
2679 (expand_prologue): Set it; emit short prologues if unset.
2680 (expand_epilogue): Likewise.
2682 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2684 * config.gcc: Add stormy16-*-elf case.
2685 * config/stormy16/stormy-abi: New file.
2686 * config/stormy16/stormy16-lib2.c: New file.
2687 * config/stormy16/stormy16-protos.h: New file.
2688 * config/stormy16/stormy16.c: New file.
2689 * config/stormy16/stormy16.h: New file.
2690 * config/stormy16/stormy16.md: New file.
2691 * config/stormy16/t-stormy16: New file.
2693 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2695 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2697 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2699 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2700 descriptor members are pointer size, not constant 4.
2701 * config/rs6000/rs6000.md (define_splits): Remove more unused
2704 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2706 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2708 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2710 * cp/rtti.c (VPARAMS): Fix parameter.
2712 2001-08-24 Zack Weinberg <zackw@panix.com>
2714 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2716 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2718 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2719 in if controlling use of insv.
2720 (extract_bit_field): Likewise, for extv and extzv.
2722 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2724 * i386.md (movcc peep2): Fix load of 0.
2726 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2728 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2729 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2731 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2733 * c-pragma.h: Move weak_syms and weak_decls...
2734 * varasm.c: ...here. Now static.
2735 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2736 depend on HANDLE_PRAGMA_WEAK.
2738 * c-common.c (c_alignof, c_alignof_expr): Move here...
2739 * c-typeck.c: ...from here.
2740 * c-tree.h, c-common.h: Adjust.
2742 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2744 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2745 instead of incrementing it.
2747 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2748 asm ready, don't try to move them all into the same array element.
2750 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2752 * function.c (thread_prologue_and_epilogue_insns): Avoid
2753 fallthru flag on edge to exit.
2755 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2757 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2760 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2762 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2763 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2764 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2767 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2769 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2770 replace "GNU CC" with "GCC".
2772 2001-08-23 Richard Henderson <rth@redhat.com>
2774 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2775 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2776 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2777 Need GR between FR and not GR_AND_FR.
2778 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2779 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2780 AR regs before GR regs.
2781 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2782 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2783 (REGISTER_MOVE_COST): Update.
2784 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2786 2001-08-23 Richard Henderson <rth@redhat.com>
2788 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2791 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2793 * reload1.c (emit_reload_insns): Don't look for notes
2794 on a NULL store_insn.
2796 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2799 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2800 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2801 format specifier warnings.
2802 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2804 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2806 * config/i386/i386-protos.h: Correct declaration of
2807 i386_pe_asm_named_section.
2809 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2811 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2813 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2815 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2817 * cpperror.c (print_location): Don't show _Pragma.
2818 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2819 and file change callback generation here.
2820 (stack_include_file): Update use of cpp_push_buffer.
2821 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2822 (struct cpp_buffer): Remove type, pfile members.
2823 * cppinit.c (cpp_handle_option): Use free_chain.
2824 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2825 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2826 a cpp_reader rather than a cpp_buffer.
2827 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2828 skip_line_comment, parse_string, lex_percent, lex_dot,
2829 _cpp_lex_token): Update accordingly.
2830 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2832 (cpp_push_buffer): Update prototype.
2833 (run_directive): Update use of cpp_push_buffer.
2834 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2835 handle_assertion): Update use of run_directive.
2836 * cpplib.h (enum cpp_buffer_type): Remove.
2837 (cpp_push_buffer): Update prototype.
2838 * fix-header.c (read_scan_file): Update.
2840 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2842 * gcc.c (struct prefix_list): Change prefix to const char *.
2844 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2846 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2848 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2850 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2853 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2856 * ifcvt.c (dead_or_predicable): Adjust.
2857 * loop.c (find_and_verify_loops): Adjust.
2858 * stmt.c (expand_end_case): Adjust.
2859 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2860 head and end insn pointers in the basic block, not just local copies.
2861 (merge_blocks_move_predecessor_nojumps): Likewise.
2863 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2865 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2866 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2867 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2868 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2869 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2870 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2871 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2872 conditions.h, config.gcc, configure.frag, configure.in,
2873 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2874 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2875 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2876 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2877 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2878 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2879 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2880 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2881 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2882 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2883 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2884 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2885 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2886 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2887 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2888 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2889 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2890 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2891 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2892 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2893 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2894 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2895 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2896 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2897 params.h, predict.c, predict.def, predict.h, prefix.c,
2898 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2899 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2900 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2901 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2902 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2903 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2904 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2905 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2906 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2907 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2908 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2909 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2910 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2911 xcoffout.h: replace "GNU CC" with "GCC".
2913 2001-08-21 Richard Henderson <rth@redhat.com>
2915 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2916 (final_scan_insn): Consider jump tables data even if we have no
2917 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2919 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2920 (ASM_OUTPUT_CASE_END): Remove.
2921 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2922 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2923 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2925 2001-08-21 Richard Henderson <rth@redhat.com>
2927 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2928 at barrier insns. Emit stop bits before barriers.
2930 * flow.c (flow_find_cross_jump): Don't consider unconditional
2931 return insns for commoning.
2933 * final.c (compute_alignments): Fix typo.
2935 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2936 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2937 (store_bit_field): Use mode_for_extraction more places.
2938 (extract_bit_field): Likewise.
2940 2001-08-21 Zack Weinberg <zackw@panix.com>
2942 * caller-save.c: Don't include insn-codes.h.
2943 (reg_save_code, reg_restore_code): Make arrays of int.
2944 All uses updated to match.
2945 (insert_save, insert_restore): No need to initialize "code"
2946 variable upon declaration.
2947 * Makefile.in: update dependencies; fix typo in clean rule.
2949 2001-08-21 Richard Henderson <rth@redhat.com>
2951 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2952 (merge_if_block): Handle fallout from same.
2954 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2956 * builtins.c (type_to_class): Fix typo in last change.
2958 2001-08-21 Richard Henderson <rth@redhat.com>
2960 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2961 ia64_asm_output_label.
2963 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2964 copy of gp while the real gp register contains garbage.
2966 2001-08-21 Zack Weinberg <zackw@panix.com>
2968 * expmed.c (mode_for_extraction): New function.
2969 (store_bit_field, extract_bit_field): Use it.
2970 * expr.h: Prototype it and provide an enum for its first argument.
2972 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2973 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2974 and digging through the insn_data tables.
2975 * Makefile.in: Update dependencies.
2977 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2979 * cppfiles.c (stack_include_file): line-map.c now handles include
2981 (handle_missing_handler): Similarly.
2982 (_cpp_execute_include): Similarly.
2983 (_cpp_pop_file_buffer): Similarly.
2984 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2985 buffer_stack_depth and include_depth.
2986 * cpplib.c (do_include_common): line-map.c now handles include depth.
2987 (cpp_push_buffer): Similarly.
2988 (_cpp_pop_buffer): Similarly.
2989 * cppmacro.c (builtin_macro): Update.
2990 * line-map.c (init_line_maps): Set depth.
2991 (add_line_map): Increment "used" earlier. Update and use the
2993 (trace_include): Use the include depth.
2994 * line-map.h (struct line_maps): New member depth.
2996 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2998 * cppfiles.c (stack_include_file): Don't handle -H here.
2999 * cppinit.c (cpp_start_read): Set include tracing after
3000 cpp_post_options and after stacking the main file.
3001 * line-map.c (trace_include): New.
3002 (init_line_maps, add_line_map): Update.
3003 * line-map.h (struct line_maps): New member trace_includes.
3005 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3007 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3008 * cppfiles.c (stack_include_file): Only stack a file if there
3009 is something to do. Return a boolean indicating whether a
3010 buffer was stacked or not.
3011 (_cpp_execute_include): Similarly.
3012 (_cpp_read_file): Similarly.
3013 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3015 2001-08-21 Sam Steingold <sds@gnu.org>
3017 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3018 (RECACHE): keep obufp_before_macroname up to date
3020 2001-08-21 Zack Weinberg <zackw@panix.com>
3022 * stmt.c: Don't include insn-codes.h.
3023 (expand_end_case): Machine specific logic moved to expr.c.
3024 No need to worry about __builtin_classify_type.
3025 (check_for_full_enumeration_handling, emit_case_nodes):
3028 * builtins.o (expand_builtin_classify_type): Split up so code
3029 can be shared with fold_builtin_classify_type.
3030 (type_to_class, fold_builtin_classify_type): New functions.
3031 (fold_builtins): Handle __builtin_classify_type.
3033 * expr.c (do_tablejump): Now static.
3034 (case_values_threshold, try_casesi, try_tablejump): New;
3035 code mostly from stmt.c (expand_end_case).
3036 (expr.h): Update prototypes.
3038 * Makefile.in (stmt.o): Update dependencies.
3040 2001-08-21 Will Cohen <wcohen@redhat.com>
3042 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3043 declaration of variable i.
3044 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3045 declaration of variable i.
3047 2001-08-21 Richard Henderson <rth@redhat.com>
3049 * crtstuff.c: Fix thinko last change. Move list tails to start
3050 of CRT_END section. Tidy ifdefs.
3051 (__EH_FRAME_BEGIN__): Always static for ELF.
3052 (__do_global_ctors_1): Rename from __frame_dummy.
3053 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3054 name change; don't hide __EH_FRAME_BEGIN__.
3056 2001-08-21 Richard Henderson <rth@redhat.com>
3058 * gdbinit.in: Move break on exit after break on fancy_abort.
3060 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3063 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3065 * cpphash.h (_cpp_push_next_buffer): New.
3066 * cppinit.c (do_includes): Remove.
3067 (push_include, free_chain, _cpp_push_next_buffer): New.
3068 (cpp_start_read): Use them to rework command line option handling.
3069 (cpp_handle_option): Combine handling of -include and -imacros.
3070 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3071 appropriate. Always insert missing \n at EOF.
3072 * cpplib.c (start_directive): Get the directive position right.
3073 * cppmain.c (cb_file_change): Always print the first line, unless
3076 2001-08-20 Andreas Jaeger <aj@suse.de>
3078 * profile.c (compute_branch_probabilities): Remove extra new-line
3080 * flow.c (verify_flow_info): Likewise.
3082 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3084 * basic-block.h (basic_block): Add new field 'flags'.
3085 (BB_REACHABLE): Define.
3086 (expunge_block): Declare.
3087 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3088 (EXIT_BLOCK_PTR): Ditto.
3089 (expunge_block): Remove static declaration.
3090 (cleanup_cfg): Clear bb->aux on every basic block.
3091 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3092 computing reachability.
3093 (delete_unreachable_blocks): Delete block b if b->flags has
3096 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3098 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3100 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3102 * sparc.c (sparc_variable_issue): Fix typo in last change.
3104 2001-08-20 Richard Henderson <rth@redhat.com>
3106 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3108 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3110 * pa.h (RETURN_IN_MEMORY): Improve comment.
3112 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3114 * doc/invoke.texi (Profiling options): Clarify the interactions
3115 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3117 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3119 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3122 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3124 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3127 2001-08-20 Richard Henderson <rth@redhat.com>
3129 * final.c (end_final): Fix typo last change.
3131 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3133 * cppinit.c (init_standard_includes): The returned buffer
3134 is already malloc-ed.
3135 * gcc.c (add_prefix): Similarly.
3136 * prefix.c (translate_name): Update to support clear buffer
3138 (update_path): Similarly. Be sure to free any newly allocated
3139 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3141 * prefix.h (update_path): Update prototype and document.
3142 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3143 up and update to new buffer ownership rules.
3144 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3146 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3148 * final.c (compute_alignments): New function.
3149 (init_insn_lengths): Do not care label_align.
3150 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3151 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3152 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3153 (shorted_branches): Realloc label_align array; do
3154 not call init_insn_lengths; Do not care about loop alignments.
3155 * output.h (compute_alignments): Declare.
3156 * toplev.c (rest_of_compilation): Call compute_alignments.
3157 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3159 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3160 change visited to tovisit.
3161 (propagate_freq): Use faster traversing algorithm.
3162 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3163 to tovisit; reverse meaning.
3165 * predict.c (struct block_info_def): Remove nvisited.
3166 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3167 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3169 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3171 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3172 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3173 (TARGET_FUSED_MADD): New.
3174 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3175 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3176 the multiply-add instructions.
3178 2001-08-19 Richard Henderson <rth@redhat.com>
3180 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3181 is aligned to pointer size.
3183 2001-08-19 Richard Henderson <rth@redhat.com>
3185 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3186 display markers during final schedule.
3188 2001-08-19 Richard Henderson <rth@redhat.com>
3190 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3192 2001-08-19 Richard Henderson <rth@redhat.com>
3194 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3196 (ASM_NAME_TO_STRING): Remove.
3197 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3198 in the same string. Remove support for expressions.
3200 2001-08-19 Richard Henderson <rth@redhat.com>
3202 * config/i386/i386.md (tablejump): Make an expander; handle
3203 pic relative addressing here.
3204 (tablejump_1): Rename from tablejump_pic.
3207 2001-08-19 Richard Henderson <rth@redhat.com>
3209 * regclass.c (fix_register): Fix typo.
3211 2001-08-18 Richard Henderson <rth@redhat.com>
3213 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3214 (struct _Unwind_Context): Expand br_loc to hold it.
3215 (uw_frame_state_for): Handle leaf functions better.
3216 (uw_update_reg_address): Update for br_loc change.
3218 2001-08-18 Richard Henderson <rth@redhat.com>
3220 * crtstuff.c: Move list heads before code that uses them.
3221 (__JCR_LIST__): Remove initial null.
3222 (frame_dummy, __frame_dummy): Do java registration here ...
3223 (__do_global_ctors_aux): ... not here.
3225 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3226 (__do_global_dtors_aux): Update to match.
3227 (__JCR_LIST__, __do_jv_register_classes): New.
3229 * config/ia64/crtend.asm (__JCR_END__): New.
3230 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3231 instead of an indirect LTOFF22 reloc.
3233 2001-08-18 Richard Henderson <rth@redhat.com>
3235 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3236 * regclass.c (init_reg_sets_1): Fix typo.
3237 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3238 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3239 (ia64_compute_frame_size): Make ar.unat live when in use.
3240 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3241 for ar.pfs; remove ar.unat handling.
3242 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3244 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3245 * config/ia64/ia64-protos.h: Update decls.
3246 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3247 (sibcall_pic): Likewise.
3249 2001-08-18 Richard Henderson <rth@redhat.com>
3251 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3252 pred_rel_mutex when searching for insn_group_barrier.
3253 * config/ia64/ia64.md (cycle_display): Combine the expander
3256 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3257 bit before asm as needed.
3259 2001-08-18 Richard Henderson <rth@redhat.com>
3261 * timevar.def (TV_MACH_DEP): New.
3262 * toplev.c (rest_of_compilation): Use it.
3263 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3265 2001-08-18 Zack Weinberg <zackw@panix.com>
3267 * unwind-dw2.c (execute_stack_op): Add default aborts to
3268 the inner switches to prevent warnings.
3270 2001-08-18 Richard Henderson <rth@redhat.com>
3272 * timevar.h (struct timevar_time_def): Change element type to float.
3273 (ticks_to_msec, clocks_to_msec): Likewise.
3274 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3275 (get_time): Likewise.
3276 (timevar_print): Adjust zero check and printing to match.
3278 2001-08-18 Zack Weinberg <zackw@panix.com>
3280 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3281 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3282 Eliminate overfull or underfull hboxes.
3284 2001-08-18 Zack Weinberg <zackw@panix.com>
3286 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3288 2001-08-18 Zack Weinberg <zackw@panix.com>
3290 * haifa-sched.c: Convert to target hooks. Macros replaced
3291 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3292 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3293 MD_SCHED_FINISH, and HAVE_cycle_display.
3294 * target-def.h (TARGET_SCHED_ADJUST_COST,
3295 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3296 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3297 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3298 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3299 New hook #defines to be overridden.
3300 (TARGET_SCHED): Bring them all together.
3301 (TARGET_INITIALIZER): Update.
3302 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3303 instead of 'struct rtx_def *' throughout.
3304 (struct sched): New set of hooks for the scheduler.
3305 * Makefile.in (haifa-sched.o): Depend on target.h.
3306 * doc/tm.texi: Document the new scheduler hooks, together in
3307 their own section, instead of scattered around.
3308 Fix a bunch of underfull/overfull hboxes.
3310 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3311 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3312 sparc.h: Don't define any of the old scheduler macros.
3314 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3315 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3316 sparc.c: Create hook functions from code extracted from
3317 corresponding target header, or make existing hooks static, as
3318 appropriate. Set the appropriate entries in targetm.
3320 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3321 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3322 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3323 Remove prototypes for functions which are now static.
3325 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3326 related gunk; the Haifa scheduler is now the only choice.
3328 2001-08-18 Zack Weinberg <zackw@panix.com>
3330 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3331 * genopinit.c: Put floating point divide insns in sdiv_optab.
3332 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3333 * config/gofast.h, config/c4x/c4x.h,
3334 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3335 config/pa/long_double.h, config/rs6000/sysv4.h,
3336 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3337 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3338 (init_optabs): Use init_optabv for overflow-trapping optabs.
3339 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3340 cmp_optab RTX codes so have_insn_for can find them.
3342 * optabs.c (expand_simple_binop, expand_simple_unop,
3343 have_insn_for, gen_sub3_insn): New interfaces.
3344 * expr.h: Prototype new functions.
3345 (enum optab_methods): Move here from optabs.h.
3347 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3348 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3349 Use new functions instead of working directly with optabs.
3350 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3351 unroll.c: Don't include optabs.h.
3352 * caller-save.c, combine.c, function.c, stmt.c: Just include
3353 insn-codes.h, not optabs.h.
3354 * Makefile.in: Update dependencies.
3356 * combine.c (make_compound_operation, simplify_comparison):
3357 Fix typos testing for this or that instruction.
3359 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3361 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3362 generating libgcc.a.
3364 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3366 * except.c (TYPE_HASH): Delete.
3368 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3371 * tree.c (TYPE_HASH): Delete.
3373 * tree.h (TYPE_HASH): Define.
3375 2001-08-18 Graham Stott <grahams@redhat.com>
3377 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3379 (adddi3_internal_2+2): Likewise.
3380 (eh_set_lr_di+1): Likewise.
3382 2001-08-17 Richard Henderson <rth@redhat.com>
3384 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3385 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3386 * dwarf2asm.c: ... here.
3387 * dwarfout.c: Remove them.
3389 * varasm.c (assemble_integer): Add align parameter.
3390 (assemble_real, output_constant, output_constructor): Likewise.
3391 * output.h: Update decls.
3392 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3393 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3394 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3395 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3396 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3399 * final.c (end_final): Abort profile block generation if we
3400 havn't layed it out properly.
3401 * output.h (assemble_eh_integer): Remove stale decl.
3402 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3404 (assemble_integer): Handle unaligned data.
3405 (assemble_real): Abort on unaligned data.
3406 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3408 (default_dtor_section_asm_out_destructor): Use assemble_align.
3409 (default_named_section_asm_out_constructor): Likewise.
3410 (default_ctor_section_asm_out_constructor): Likewise.
3411 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3412 (machopic_asm_out_destructor): Likewise.
3413 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3414 (nextstep_asm_out_destructor): Likewise.
3415 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3416 (vms_asm_out_destructor): Likewise.
3418 2001-08-17 Richard Henderson <rth@redhat.com>
3420 * config/mips/iris6.h (TARGET_IRIX6): New.
3421 (current_section_name, current_section_flags): New.
3422 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3423 (MAX_OFILE_ALIGNMENT): New.
3424 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3425 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3426 (copy_file_data): Split out from
3427 (mips_asm_file_end): ... here.
3428 (mips_asm_file_start): Remove extra .section directive. Use
3429 tmpfile instead of mips_make_temp_file.
3430 (mips_unique_section): Use const char * as needed for warnings.
3431 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3432 re-add align parameter.
3433 (iris6_asm_named_section): New.
3434 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3435 (iris6_asm_output_align, iris6_section_align_1): New.
3436 (iris6_asm_file_start, iris6_asm_file_end): New.
3437 * config/mips/mips-protos.h: Update decls.
3439 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3441 * doc/install.texi (Install GCC): Add links to build status pages.
3443 (Final install): Ditto; request updates for specific info
3445 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3447 * cpperror.c (print_location): Don't take a file name; use the
3449 (_cpp_begin_message): Similarly.
3450 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3451 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3452 (cpp_pedwarn_with_file_and_line): Remove.
3453 * cppfiles.c (stack_include_file): Update; set filename to stdin
3454 here when appropriate.
3455 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3456 (_cpp_begin_message): Don't take a file name.
3457 * cppinit.c: Add comment.
3458 * cpplex.c: Fix end-of-directive indicator.
3459 * cpplib.c: Don't include intl.h.
3460 (run_directive, do_diagnostic): Update.
3461 (do_line): Update to not use nominal_fname.
3462 (cpp_push_buffer): Don't take a filename.
3463 * cpplib.h (struct ht): Remove.
3464 (cpp_push_buffer): Don't take a filename.
3465 (cpp_pedwarn_with_file_and_line): Remove.
3466 * cppmacro.c (struct cpp_macro): Remove file.
3467 (builtin_macro): Update.
3468 (_cpp_create_definition): Update.
3469 * cppmain.c: Correct comment.
3470 * fix-header.c (read_scan_file): Update.
3472 2001-08-17 Kazu Hirata <kazu@hxi.com>
3474 * sbitmap.c: Fix comment formatting.
3475 * sched-deps.c: Likewise.
3476 * sibcall.c: Likewise.
3477 * simplify-rtx.c: Likewise.
3479 * ssa-ccp.c: Likewise.
3480 * stor-layout.c: Likewise.
3481 * timevar.c: Likewise.
3482 * toplev.c: Likewise.
3483 * unwind-dw2.c: Likewise.
3484 * unwind-dw2-fde.c: Likewise.
3485 * varasm.c: Likewise.
3487 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3489 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3490 or larger than an integer in memory.
3492 2001-08-17 Zack Weinberg <zackw@panix.com>
3494 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3495 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3496 * rtl.h: Don't forward-declare union tree_node here. Don't
3497 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3498 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3499 and tree respectively.
3500 * tree.h: Don't forward-declare struct rtx_def here. Don't
3501 typedef tree here. Change all uses of struct rtx_def *,
3502 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3503 and tree respectively.
3505 2001-08-17 Richard Henderson <rth@redhat.com>
3507 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3508 config/mips/openbsd.h: Fix typos last change.
3510 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3512 * doc/invoke.texi (Optimize Options): The default for
3513 -finline-limit is 600.
3515 2001-08-17 Richard Henderson <rth@redhat.com>
3517 * varasm.c (text_section): Allow TEXT_SECTION to override the
3518 printing of TEXT_SECTION_ASM_OP.
3519 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3520 (DATA_SECTION, BSS_SECTION): Remove.
3521 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3522 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3523 Rename from s/_NAME//.
3524 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3525 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3526 (TEXT_SECTION): ... here. New.
3527 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3528 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3529 * config/mips/openbsd.h: Likewise.
3530 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3531 (mips_asm_file_end): Likewise test.
3532 (mips_output_function_epilogue): Likewise. Switch back to data
3533 section after emitting the function.
3535 * doc/tm.texi (Sections): Document TEXT_SECTION.
3537 2001-08-17 Richard Henderson <rth@redhat.com>
3539 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3540 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3542 2001-08-17 Richard Henderson <rth@redhat.com>
3544 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3545 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3546 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3547 Add aligned attribute.
3549 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3551 * config/sh/sh.md: Add modes to unspecs in first insn to match
3552 those in the second.
3554 * Makefile.in: Fix collect2 copy for Cygwin.
3556 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3558 Install the proper patch.
3559 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3560 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3561 (expand_function_start): Likewise.
3562 * stmt.c (expand_decl): Likewise.
3563 * varasm.c (make_decl_rtx): Likewise.
3565 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3567 * final.c: Undo my previous accidental checkin.
3568 * output.h: Likewise.
3569 * tm.texi: Likewise.
3571 2001-08-16 Richard Henderson <rth@redhat.com>
3573 * varasm.c (named_section_flags): Remove align parameter.
3574 * varasm.c, dwarf2out.c: Update all callers.
3575 * output.h: Update prototypes.
3577 * target.h (target.asm_out.named_section): Remove align parameter.
3578 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3579 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3580 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3581 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3582 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3584 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3585 (get_named_section_flags, set_named_section_flags): New.
3586 (named_section_flags): Use them.
3587 (named_section): Do decl vs section flags check here...
3588 (default_section_type_flags): ... not here.
3589 (init_varasm_once): Create in_named_htab.
3590 (resolve_unique_section): Mark reloc unused.
3592 2001-08-16 Richard Henderson <rth@redhat.com>
3594 * varasm.c (force_const_mem): Keep pool alignment in bits.
3595 (output_constant_pool): Use assemble_align.
3597 2001-08-16 Zack Weinberg <zackw@panix.com>
3599 * doc/tm.texi: Remove extra @table command.
3601 2001-08-16 Zack Weinberg <zackw@panix.com>
3603 * final.c (shorten_branches): Clear the end of the label_align
3604 array only if we made it larger. Break up messy expressions
3607 * diagnostic.c (internal_error): Check for error recursion
3608 before doing ICE suppression.
3610 * timevar.c: Timing variables now count in milliseconds.
3611 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3612 (get_time): Not here.
3613 (timevar_print): Don't print any timer whose user, cpu, and
3614 wall times are all zero as displayed.
3615 * timevar.h: Update comment aboout units. Make timevar
3618 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3620 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3621 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3622 (expand_function_start): Likewise.
3623 * stmt.c (expand_decl): Likewise.
3624 * varasm.c (make_decl_rtx): Likewise.
3626 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3628 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3629 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3631 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3633 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3636 2001-08-16 Andreas Jaeger <aj@suse.de>
3638 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3641 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3643 * rtl.h (only_sets_cc0_p): New prototype.
3644 * jump.c (sets_cc0_p): Handle INSN.
3645 (only_sets_cc0_p): New function.
3646 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3647 (tidy_fallthru_edge): Likewise.
3648 * integrate.c (copy_insn_list): Likewise.
3649 * unroll.c (unroll_loop): Likewise.
3650 (copy_loop_body): Likewise.
3652 2001-08-15 Jason Eckhardt <jle@redhat.com>
3654 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3656 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3658 * predict.c (struct block_info_def): Remove nvisited.
3659 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3660 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3662 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3663 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3666 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3668 * predict.def: Update hitrates.
3670 2001-08-15 Richard Henderson <rth@redhat.com>
3672 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3674 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3676 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3677 note from its associated jump.
3679 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3681 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3682 also on 64-bit s390x targets.
3684 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3686 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3688 (arm_expand_prologue): Handled nested functions which take a
3689 variable argument list.
3690 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3691 macro with an invocation of
3692 arm_compute_initial_elimination_offset.
3693 * config/arm/arm-protos.h: Prototype
3694 arm_compute_initial_elimination_offset.
3696 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3698 * doc/install.texi (Specific, avr): Fix markup.
3699 (Specific, c4x): Ditto.
3701 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3703 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3705 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3707 * Makefile.in (OBJS): Add rtl-error.o
3708 (rtl-error.o): New rule.
3709 (diagnostic.o): Adjust dependency.
3710 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3711 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3712 warning_for_asm): Move to...
3713 rtl-error.c: ...here. New file.
3715 2001-08-14 Richard Henderson <rth@redhat.com>
3717 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3718 if USING_SJLJ_EXCEPTIONS.
3720 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3722 * tlink.c (scan_linker_output): Check string for unsatisfied in
3723 addition to undefined and unresolved.
3725 2001-08-14 Graham Stott <grahams@redhat.com>
3727 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3728 EH_FRAME_SECTION_NAME.
3730 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3732 * genattrtab.c (simplify_test_exp_in_temp): New function.
3733 (simplify_test_exp): Avoid explicit use of temporary obstack.
3734 (simplify_cond, insert_right_side, evaluate_eq_attr,
3735 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3736 Use simplify_test_exp_in_temp.
3737 (optimize_attrs): Iterate until expression stabilizes.
3739 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3741 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3742 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3744 2001-08-13 Richard Henderson <rth@redhat.com>
3746 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3747 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3748 * config/arm/conix-elf.h: Likewise.
3750 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3752 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3754 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3756 * gcse.c (hash_scan_set): Expressions that are set as part of
3757 jump instructions are not available.
3759 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3761 * config/s390/s390.c (print_operand, s390_function_prologue,
3762 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3764 2001-08-13 Richard Henderson <rth@redhat.com>
3766 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3767 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3768 * doc/tm.texi (Exception Region Output): Document it.
3770 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3772 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3773 DWARF2 instead of stabs by default.
3775 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3777 * config/rs6000/rs6000.c: Include optabs.h.
3779 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3781 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3782 save/restore routines.
3783 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3785 2001-08-13 Andreas Jaeger <aj@suse.de>
3787 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3788 the english is correct.
3790 2001-08-13 Zack Weinberg <zackw@panix.com>
3792 * expr.h: Split out optab- and libfunc-related code to...
3793 * optabs.h, libfuncs.h: ... these new headers.
3795 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3797 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3799 * mkconfig.sh: Don't include insn-codes.h from config.h.
3801 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3802 enum insn_code is available. Move reload_in_optab and
3803 reload_out_optab array declarations to optabs.h.
3804 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3805 there, prototype in expr.h.
3806 * gencodes.c: Cleanup: zap global variables, don't use
3807 printf where puts will do, don't bother defining MAX_INSN_CODE
3808 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3810 * genemit.c, genopinit.c: Include optabs.h in generated file.
3811 * genoutput.c: Include insn-codes.h in generated file.
3812 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3813 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3814 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3815 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3816 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3817 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3819 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3820 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3821 config/m88k/m88k.c, config/sparc/sparc.c:
3823 * reload.c: Include expr.h and optabs.h before reload.h.
3824 * config/alpha/alpha.c: Include tree.h before reload.h.
3825 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3826 and reload.h in that order.
3827 * config/sparc/sparc.c: Include debug.h.
3828 * recog.c: Include insn-codes.h.
3830 2001-08-13 Andreas Jaeger <aj@suse.de>
3832 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3835 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3837 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3838 * gcc.c (init_spec): Fix typo in comment.
3839 * varasm.c (data_section): Fix typo in comment.
3841 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3843 * predict.c (dump_prediction): New argument "USED".
3844 (combine_predictions_for_insn): Determine the used heuristics,
3845 output the case no heuristic applied.
3846 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3848 2001-08-13 Andreas Jaeger <aj@suse.de>
3850 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3853 2001-08-13 Kazu Hirata <kazu@hxi.com>
3855 * jump.c: Fix formatting.
3857 2001-08-13 Kazu Hirata <kazu@hxi.com>
3859 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3862 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3864 * loop.c (check_dbra_loop): Use condjump_label to compute
3867 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3868 to better document the files they're in.
3870 2001-08-12 Zack Weinberg <zackw@panix.com>
3872 * recog.h (struct insn_operand_data): Shrink 'mode' field
3875 2001-08-12 Kazu Hirata <kazu@hxi.com>
3877 * gcc.c: Fix comment formatting.
3878 * gccspec.c: Likewise.
3881 * genemit.c: Likewise.
3882 * gengenrtl.c: Likewise.
3883 * genrecog.c: Likewise.
3884 * gensupport.c: Likewise.
3885 * ggc-page.c: Likewise.
3886 * global.c: Likewise.
3887 * graph.c: Likewise.
3888 * ifcvt.c: Likewise.
3889 * integrate.c: Likewise.
3891 * libgcc2.c: Likewise.
3893 * mbchar.c: Likewise.
3894 * optabs.c: Likewise.
3895 * predict.c: Likewise.
3896 * prefix.c: Likewise.
3897 * profile.c: Likewise.
3898 * protoize.c: Likewise.
3900 * recog.c: Likewise.
3901 * regclass.c: Likewise.
3902 * regmove.c: Likewise.
3903 * reg-stack.c: Likewise.
3904 * reload1.c: Likewise.
3905 * resource.c: Likewise.
3906 * rtlanal.c: Likewise.
3909 2001-08-12 Kazu Hirata <kazu@hxi.com>
3911 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3912 a tree representing a constant is passed to the macro.
3914 2001-08-12 Richard Henderson <rth@redhat.com>
3916 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3917 (rs6000_elf_asm_out_destructor): New.
3918 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3919 (DTORS_SECTION_ASM_OP): Remove.
3920 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3921 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3923 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3926 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3927 * gcc.c (set_collect_gcc_options): New function, split out from
3929 Ignore elided switches.
3930 (do_spec_1): Invoke before executing command.
3931 (set_input): Export.
3932 Move declaration ...
3933 * gcc.h (set_input): ... here.
3934 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3937 2001-08-12 Richard Henderson <rth@redhat.com>
3939 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3940 thinko wrt TARGET_RELOCATABLE.
3942 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3944 * fix-header.c (cb_file_change): Update prototype.
3946 2001-08-11 Zack Weinberg <zackw@panix.com>
3948 * toplev.c (set_float_handler): Make static.
3949 * toplev.h: Don't prototype set_float_handler.
3951 * simplify-rtx.c: Don't include setjmp.h.
3952 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3954 (simplify_unary_operation, simplify_binary_operation): Use them,
3955 via do_float_handler.
3957 * fold-const.c: Don't include setjmp.h.
3958 (exact_real_inverse_1): New function.
3959 (exact_real_inverse): Use it, via do_float_handler.
3961 * varasm.c: Don't include setjmp.h.
3962 (assemble_real_1): New function.
3963 (assemble_real): Use it, via do_float_handler.
3964 Call internal_error if we get a trap here.
3966 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3967 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3969 2001-08-11 Zack Weinberg <zackw@panix.com>
3971 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3972 STACK_BOUNDARY if not already defined.
3974 * calls.c, function.c, reload1.c, explow.c: Don't default
3975 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3976 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3978 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3981 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3982 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3984 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3986 * cppmacro.c (enter_macro_context): Push macro expansions even
3989 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3991 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3992 (rs6000_elf_section_type_flags): Actually return a value.
3994 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3996 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3997 Clean up code: add missing comments and prototypes, fix warnings,
3998 remove obsolete code, fix spacing to conform to coding style.
4000 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4002 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4003 and TARGET_ASM_CLOSE_PAREN.
4004 (regclass_map): CC register belongs to class NO_REGS.
4005 (legitimize_pic_address): Don't generate unnecessary moves
4006 (to avoid confusing loop optimization).
4007 (check_and_change_labels): Replace jump_long by indirect_jump.
4008 (s390_final_chunkify): Don't start a new literal pool on section
4009 switch in 64-bit code.
4010 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4012 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4013 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4014 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4016 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4017 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4018 (CONST_COSTS): Fixed incorrect costs.
4020 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4021 Use emit_jump instead of emit_jump_insn (gen_jump).
4022 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4023 (to avoid confusing flow analysis).
4024 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4025 (casesi, casesi_jump): New.
4026 (jump_long): Removed. Functionality merged into indirect_jump.
4027 (indirect_jump): Accept address_operand, not just register_operand.
4028 (cjump_long, icjump_long): Use same logic as indirect_jump.
4029 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4030 Fixed broken setjmp/longjmp handling.
4031 (do_builtin_setjmp_setup): Removed.
4033 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4034 broken GNU as versions that don't accept .quad with large
4035 negative values. Use hexadecimal output instead.
4036 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4037 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4038 FUNCTION_EPILOGUE): Removed. Now in targetm.
4040 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4042 * config/s390/fixdfdi.h: Add missing copyright statement.
4043 Fix type conflicts on 64-bit. Add missing SFmode routines.
4045 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4048 2001-08-11 Richard Henderson <rth@redhat.com>
4050 * rtl.h (REG_EH_RETHROW): Remove.
4051 * rtl.c (reg_note_name): Update.
4052 * combine.c (distribute_notes): Don't check for it.
4054 2001-08-11 Richard Henderson <rth@redhat.com>
4056 * combine.c (distribute_notes): Place REG_SETJMP.
4058 2001-08-11 Richard Henderson <rth@redhat.com>
4060 * doc/extend.texi (Arrays and pointers implementation): Discourage
4061 relying on sign-extension of pointers.
4063 2001-08-11 H.J. Lu <hjl@gnu.org>
4065 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4067 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4068 RDATA_SECTION_ASM_OP.
4070 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4072 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4073 main manual to work both for info and HTML versions.
4075 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4076 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4078 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4079 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4080 (struct cpp_pool): New member first.
4081 * cppinit.c (append_include_chain): Plug memory leaks.
4082 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4083 Allocate pragma structures from the (aligned) macro pool to
4084 avoid leaking memory.
4085 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4086 so we don't leak memory.
4087 * hashtable.c (ht_destroy): New.
4088 * hashtable.h (ht_destroy): New.
4090 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4091 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4093 * c-lex.c (map): Make const.
4094 (cb_file_change): Update for callback passing a line map.
4095 Don't assume we have a previous map. Remove sanity check
4096 about popping too many files.
4097 * cpperror.c (print_location): Make map const.
4098 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4099 (cpp_make_system_header): Similarly.
4100 (search_from): Similarly.
4101 (_cpp_execute_include): Don't remember where we came from.
4102 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4103 (struct cpp_reader): Make map const.
4104 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4105 * cpplib.c (do_line): Update; line maps now hold sysp.
4106 (cpp_push_buffer): Similarly.
4107 (_cpp_do_file_change): Similarly; callback with map instead.
4108 (cpp_get_line_maps): Constify return value.
4109 (_cpp_pop_buffer): Update.
4110 * cpplib.h (struct cpp_file_change): Remove.
4111 (struct cpp_callbacks): Update.
4112 (cpp_get_line_maps): Constify return value.
4113 * cppmacro.c (_cpp_create_definition): Update.
4114 * cppmain.c (struct printer): Constify map.
4115 (maybe_print_line): Similarly.
4116 (print_line): Similarly. Deduce flags 1 and 2 here.
4117 (cb_file_change): Update.
4118 * line-map.c (free_line_maps): Warn regardless.
4119 (add_line_map): Return pointer to const. When passed NULL to_file
4120 with LC_LEAVE, use the obvious values for the return point so the
4121 caller doesn't have to figure them out.
4122 (lookup_line): Return pointer to const.
4123 (print_containing_files): Take pointer to const.
4124 * line-map.h (struct line_map): New members reason, sysp.
4125 (add_line_map): Return pointer to const.
4126 (lookup_line): Similarly.
4127 (print_containing_files): Take pointer to const.
4129 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4130 Richard Henderson <rth@redhat.com>
4132 * regmove.c (regmove_optimize): Avoid setting a register twice in
4135 2001-08-10 Richard Henderson <rth@redhat.com>
4137 * doc/extend.texi (Arrays and pointers implementation): Document
4138 behavior of pointer/integer conversion.
4140 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4142 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4144 2001-08-10 Richard Henderson <rth@redhat.com>
4146 * doc/extend.texi (C Implementation): New chapter.
4147 * doc/gcc.texi (Top): Link it in.
4149 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4151 * doc/install.texi (Specific): Fix CVS merge botch.
4153 2001-08-10 Richard Henderson <rth@redhat.com>
4155 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4156 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4158 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4160 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4161 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4162 this macro is now required.
4164 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4165 loop.c (find_and_verify_loops), reload.c (reload): Check
4166 for rtx code of CALL_INSN, not CALL, when deciding if we
4167 need to check for REG_SETJMP note.
4169 * gcse.c (compute_hash_table, compute_store_table): Update
4170 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4173 * config/avr/avr.c: Fix typo.
4174 * config/convex/convex.c (expand_movstr): Use adjust_address.
4175 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4177 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4178 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4180 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4181 Do define STACK_BOUNDARY.
4182 * config/i370/i370.c: Include expr.h.
4183 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4184 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4185 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4186 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4187 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4188 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4189 * config/romp/romp.c: Include expr.h after tree.h.
4191 (output_fpop): Use xmalloc, not oballoc.
4192 * config/we32k/we32k.c: Include expr.h.
4194 2001-08-10 Kazu Hirata <kazu@hxi.com>
4196 * config/h8300/h8300.h: Fix formatting.
4198 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4200 * c-common.h (RETURN_NULLIFIED_P): Lose.
4201 * c-semantics.c (genrtl_return_stmt): Don't check it.
4203 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4205 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4206 (mips_annotate_frame_insn): New function.
4207 (mips_emit_frame_related_store): New function.
4208 (save_restore_insns): Don't mark instructions that set up the base
4209 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4210 the store instructions instead.
4211 (mips_expand_prologue): If the stack size is moved into a temporary
4212 register, do not mark that move as frame-related. Add a
4213 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4215 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4217 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4218 stack slot as unchanging if current_function_calls_eh_return.
4220 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4222 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4223 access the second half of the TFmode scratch operand.
4225 2001-08-10 Anthony Green <green@redhat.com>
4227 * java/class.c (emit_register_classes): Conditionalize code on
4230 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4232 * doc/install.texi (Specific, avr): Fix cross-reference to the
4233 main manual to work both for info and HTML versions.
4235 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4237 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4238 and "use_goto" argument.
4239 (expand_null_return, expand_value_return): Update all callers.
4240 * function.c (expand_function_end): Remove code to generate simple
4242 * config/vax/vax.md (epilogue): New expander for function return.
4243 * doc/md.texi (epilogue): Remove "if defined".
4245 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4247 * Makefile.in: Partially revert my previous change:
4248 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4249 of the hashtab.o and safe-ctype.o rules.
4251 2001-08-09 Richard Henderson <rth@redhat.com>
4253 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4254 (USE_COLLECT2): Remove duplicate definition.
4255 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4256 (use_collect2): Remove dead code.
4257 * configure.in (use_collect2): Remove will_use_collect2 and
4258 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4259 * configure: Rebuild.
4261 * target.h (targetm.asm_out.constructor): New.
4262 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4263 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4264 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4265 * varasm.c (in_ctors, in_dtors): New.
4266 (assemble_constructor, assemble_destructor): Remove.
4267 (default_stabs_asm_out_destructor): New.
4268 (default_named_section_asm_out_destructor): New.
4269 (dtors_section, default_dtor_section_asm_out_destructor): New.
4270 (default_stabs_asm_out_constructor): New.
4271 (default_named_section_asm_out_constructor): New.
4272 (ctors_section, default_ctor_section_asm_out_constructor): New.
4273 * output.h: Update declarations.
4274 * c-decl.c (c_expand_body): Use target hooks instead of
4275 assemble_constructor and assemble_destructor.
4276 * profile.c (output_func_start_profiler): Likewise.
4277 * objc/objc-act.c (finish_objc): Likewise.
4278 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4279 for the constructor.
4280 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4282 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4283 (DTORS_SECTION_ASM_OP): Likewise.
4284 (__CTOR_LIST__): Use attribute section when possible.
4285 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4287 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4288 ASM_OUTPUT_CONSTRUCTOR.
4290 * config/darwin.c (machopic_asm_out_constructor): New.
4291 (machopic_asm_out_destructor): New.
4292 * config/darwin-protos.h: Update declarations.
4293 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4294 (ASM_OUTPUT_DESTRUCTOR): Remove.
4295 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4296 * config/nextstep.c (nextstep_asm_out_constructor): New.
4297 (nextstep_asm_out_destructor): New.
4298 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4299 (ASM_OUTPUT_DESTRUCTOR): Remove.
4300 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4301 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4302 ASM_OUTPUT_*STRUCTOR.
4303 * config/i386/aix386ng.h: Likewise.
4305 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4306 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4307 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4308 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4309 * config/lynx.h: Likewise.
4310 * config/netware.h: Likewise.
4311 * config/psos.h: Likewise.
4312 * config/alpha/alpha-interix.h: Likewise.
4313 * config/alpha/elf.h: Likewise.
4314 * config/arc/arc.h: Likewise.
4315 * config/arm/aof.h: Likewise.
4316 * config/arm/coff.h: Likewise.
4317 * config/arm/elf.h: Likewise.
4318 * config/c4x/c4x.h: Likewise.
4319 * config/h8300/h8300.h: Likewise.
4320 * config/i386/cygwin.h: Likewise.
4321 * config/i386/djgpp.h: Likewise.
4322 * config/i386/i386-coff.h: Likewise.
4323 * config/i386/i386-interix.h: Likewise.
4324 * config/i386/sco5.h: Likewise.
4325 * config/i386/vsta.h: Likewise.
4326 * config/i386/win32.h: Likewise.
4327 * config/i960/i960-coff.h: Likewise.
4328 * config/ia64/sysv4.h: Likewise.
4329 * config/m68hc11/m68hc11.h: Likewise.
4330 * config/m68k/coff.h: Likewise.
4331 * config/m68k/mot3300.h: Likewise.
4332 * config/m88k/m88k.h: Likewise.
4333 * config/mcore/mcore-pe.h: Likewise.
4334 * config/mcore/mcore.h: Likewise.
4335 * config/mips/elf.h: Likewise.
4336 * config/mips/elf64.h: Likewise.
4337 * config/mips/iris6.h: Likewise.
4338 * config/pa/pa64-hpux.h: Likewise.
4339 * config/rs6000/sysv4.h: Likewise.
4340 * config/sh/sh.h: Likewise.
4341 * config/sparc/litecoff.h: Likewise.
4343 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4344 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4345 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4346 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4347 (ASM_OUTPUT_DESTRUCTOR): Remove.
4348 * config/a29k/a29k.c: Move include of tree.h.
4349 * config/a29k/udi.h: Delete file.
4350 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4351 (vms_asm_out_destructor): New.
4352 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4353 (EXTRA_SECTION_FUNCTIONS): Likewise.
4354 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4355 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4356 * config/c4x/c4x.c: Move include of tree.h.
4357 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4358 (clix_asm_out_destructor): New.
4359 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4360 (ASM_OUTPUT_DESTRUCTOR): Remove.
4361 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4362 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4363 (TARGET_ASM_CONSTRUCTOR): New.
4364 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4365 (sco_asm_out_constructor): New.
4366 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4367 * config/i386/svr3gas.h: Remove stack grows up code.
4368 Remove code duplicated from i386/sysv3.h.
4369 (TARGET_ASM_CONSTRUCTOR): New.
4370 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4371 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4372 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4373 (TARGET_ASM_CONSTRUCTOR): New.
4374 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4375 (m68hc11_asm_out_destructor): New.
4376 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4377 (TARGET_ASM_DESTRUCTOR): New.
4378 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4379 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4380 config/svr3.h pertaining to section manipulation.
4381 * config/m68k/dpx2g.h: Remove #if 0 code.
4382 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4383 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4384 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4385 (TARGET_ASM_CONSTRUCTOR): New.
4386 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4387 (m88k_svr3_asm_out_constructor): New.
4388 (m88k_svr3_asm_out_destructor): New.
4389 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4390 (ASM_OUTPUT_DESTRUCTOR): Remove.
4391 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4392 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4393 * config/rs6000/aix.h: Likewise.
4394 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4395 * config/mips/vxworks.h: Likewise.
4396 * config/rs6000/lynx.h: Likewise.
4397 * config/sh/elf.h: Likewise.
4398 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4399 (DTORS_SECTION_ASM_OP): New.
4400 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4401 (ASM_OUTPUT_DESTRUCTOR): Remove.
4402 * config/sparc/sol2-sld-64.h: Likewise.
4403 * config/vax/vax.c (vms_asm_out_constructor): New.
4404 (vms_asm_out_destructor): New.
4405 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4406 (ASM_OUTPUT_DESTRUCTOR): Remove.
4407 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4409 * doc/tm.texi (@node Initialization): Update.
4411 2001-08-09 Richard Henderson <rth@redhat.com>
4413 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4414 (__do_global_dtors_aux): Use gp-relative static data to avoid
4415 one dynamic relocation.
4416 (__do_frame_setup): Register Java classes.
4417 * config/alpha/crtend.asm (__JCR_END__): New.
4419 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4421 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4422 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4423 (GEN, STAGESTUFF): Add new files.
4424 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4425 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4426 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4427 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4428 as well as insn-codes.h and insn-flags.h in config.h; and no
4429 extra headers in tconfig.h and hconfig.h.
4431 * gencodes.c: Eliminate code to generate predicate declarations
4432 or #defines for md-file constants.
4433 * genconstants.c, genpreds.c: New files.
4435 * i386.md: Re-order guard expressions such that TARGET_64BIT
4436 comes first, when this permits better optimization. Add
4437 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4438 why this is desirable.
4440 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4442 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4443 (find_fde_for_dso): Remove.
4444 (_Unwind_IteratePhdrCallback): New.
4445 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4446 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4448 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4450 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4451 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4453 2001-08-09 Graham Stott <grahams@redhat.com>
4455 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4456 (vis_no_unit): Use it.
4457 (visualize_no_unit): Add the insn only if room exists.
4459 2001-08-09 Graham Stott <grahams@redhat.com>
4461 * predict.c (estimate_probability): Replace magic numbers with
4462 appropriate enumeration.
4464 2001-08-09 Graham Stott <grahams@redhat.com>
4466 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4468 (EXTRACT_FLAGS): Likewise.
4470 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4472 * config/mips/mips.c (mips_legitimate_address_p): Check for
4473 CONST_INT in last patch.
4475 2001-08-08 Anthony Green <green@redhat.com>
4477 * java/class.c (emit_register_classes): Use assemble_jcr if
4478 possible. Keep the original mechanism as a fallback.
4479 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4480 and weak symbol support.
4481 * crtstuff.c (__JCR_LIST__): Define.
4482 (__JCR_END__): Define.
4483 (_Jv_RegiserClasses): Define weak symbol if possible.
4484 (__do_global_ctors_aux): Register classes for ELF targets with
4485 weak symbol support.
4487 2001-08-08 Kazu Hirata <kazu@hxi.com>
4489 * dbxout.c: Fix comment formatting.
4490 * dependence.c: Likewise.
4492 * diagnostic.c: Likewise.
4493 * dominance.c: Likewise.
4494 * doprint.c: Likewise.
4495 * dwarf2out.c: Likewise.
4496 * dwarfout.c: Likewise.
4497 * emit-rtl.c: Likewise.
4498 * except.c: Likewise.
4499 * explow.c: Likewise.
4500 * expmed.c: Likewise.
4503 * fold-const.c: Likewise.
4504 * function.c: Likewise.
4506 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4508 * global.c (retry_global_alloc): Avoid shadowing allocno.
4510 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4512 * except.c (remove_fixup_regions): Fix typo.
4514 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4516 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4517 unsigned HOST_WIDE_INT to avoid warning.
4518 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4519 * flow.c (set_block_for_new_insns): Likewise.
4521 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4523 * sibcall.c (return_value_pseudo): New static variable.
4524 (skip_copy_to_return_value): Handle return_value_pseudo.
4525 (call_ends_block_p): Ensure that return_value_pseudo is set.
4526 (optimize_sibling_and_tail_recursive_call): Discover the
4527 load of pseudo return value in alternate exit block.
4529 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4531 * calls.c (ECF_ALWAYS_RETURN): New constant.
4532 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4533 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4534 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4535 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4536 * rtl.c (reg_note_name): New name.
4537 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4539 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4541 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4543 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4545 * alias.c (get_alias_set): Return a previously calculated
4546 alias set for a VAR_DECL.
4547 * function.c (gen_mem_addressof): Calculate the alias set before
4550 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4552 * predict.def: Set hitrates according our experimental run.
4554 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4556 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4558 2001-08-08 H.J. Lu <hjl@gnu.org>
4560 * config/mips/mips.c (mips_unique_section): New. Copied from
4563 * config/mips/mips-protos.h (mips_unique_section): New
4566 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4568 * config/mips/little.h: New. Generic little endian mips
4569 targets. Only mips*-*-linux* is converted to use it so far.
4571 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4572 (WCHAR_TYPE): Defined
4573 (WCHAR_TYPE_SIZE): Likewise.
4574 (INIT_SUBTARGET_OPTABS): Likewise.
4575 (BSS_SECTION_ASM_OP): Likewise.
4576 (SBSS_SECTION_ASM_OP): Likewise.
4577 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4578 (ASM_DECLARE_OBJECT_NAME): Likewise.
4579 (UNIQUE_SECTION): Likewise.
4580 (EXTRA_SECTIONS): Likewise.
4581 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4582 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4583 (ASM_OUTPUT_DEF): Likewise.
4584 (HANDLE_SYSV_PRAGMA): Removed.
4585 (NO_IMPLICIT_EXTERN_C): Likewise.
4586 (TARGET_MEM_FUNCTIONS): Likewise.
4587 (STARTFILE_SPEC): Likewise.
4588 (ENDFILE_SPEC): Likewise.
4589 (LIB_SPEC): Likewise.
4590 (INVOKE__main): Likewise.
4591 (CTOR_LIST_BEGIN): Likewise.
4592 (CTOR_LIST_END): Likewise.
4593 (DTOR_LIST_BEGIN): Likewise.
4594 (DTOR_LIST_END): Likewise.
4595 (SET_ASM_OP): Likewise.
4596 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4597 (ASM_OUTPUT_DEF): Likewise.
4598 (ASM_OUTPUT_IDENT): Likewise.
4600 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4601 (CPLUSPLUS_CPP_SPEC): Likewise.
4602 (ASM_APP_ON) Redefine only if not defined.
4603 (ASM_APP_OFF): Likewise.
4604 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4605 (ASM_OUTPUT_IDENT): Likewise.
4607 * config.gcc: Update tm_file for Linux/mips.
4609 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4611 * cselib.c (cselib_record_sets): If insn is predicated, turn
4612 sources into IF_THEN_ELSEs.
4614 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4615 Turn into define_insn_and_split.
4617 * sched-deps.c: Include "cselib.h".
4618 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4619 Use cselib to turn memory addresses into VALUEs.
4620 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4621 * sched-int.h (struct sched_info): New member USE_CSELIB.
4622 * sched-ebb.c (ebb_sched_info): Initialize it.
4623 * sched-rgn.c (rgn_sched_info): Likewise.
4624 * Makefile.in (sched-deps.o): Update dependencies.
4626 * cselib.h (cselib_subst_to_values): Declare.
4627 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4628 that have no value and autoincs to be handled by generating a new
4631 2001-08-08 Graham Stott <grahams@redhat.com>
4633 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4634 within fixed length SEQUENCE.
4636 2001-08-08 Graham Stott <grahams@redhat.com>
4638 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4639 (diagnostic_prefixing_rule): Likewise.
4640 (diagnostic_line_cutoff): Likewise.
4641 (diagnostic_kind_count): Likewise.
4643 2001-08-08 Graham Stott <grahams@redhat.com>
4645 * alias.c (find_base_decl): Delete redundent assignment.
4647 2001-08-08 Graham Stott <grahams@redhat.com>
4649 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4650 (abs): Uppercase and paranthesize macro parameter.
4651 (MEM_DEPENDENCY): Add whitespace.
4653 2001-08-08 Graham Stott <grahams@redhat.com>
4655 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4656 failure check for CONST_INT
4658 2001-08-08 Graham Stott <grahams@redhat.com>
4660 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4661 (libcall_dead_p): Likewise.
4663 (mark_used_regs): Constify fmt.
4664 (find_use_as_address): Likewise.
4666 2001-08-08 Graham Stott <grahams@redhat.com>
4668 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4671 2001-08-08 Graham Stott <grahams@redhat.com>
4673 * combine.c (combine_simplify_rtx): Update comment and
4674 remove erroneous test.
4676 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4678 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4679 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4680 take care to avoid multiple no-newline at EOF warnings in that
4683 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4685 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4686 (emit_library_call_value_1): Likewise.
4687 (emit_call_1): Emit REG_SETJMP note.
4688 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4690 * cselib.c (cselib_process_insn): Likewise.
4691 * flow.c (propagate_block): Likewise.
4692 * loop.c (find_and_verify_loops): Likewise.
4693 * reload.c (find_equiv_regs): Likewise.
4694 * reload1.c (reload): Likewise.
4695 * resource.c (mark_referenced_resources,
4696 mark_set_resources): Likewise.
4697 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4698 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4699 * haifa-sched.c (unlink_other_notes): Likewise.
4700 (reemit_notes): Likewise.
4701 * sched-ebb.c (sched_ebb): Likewise.
4702 * sched-rgc.c (sched_region): Likewise.
4703 * rtl.c (note_insn_name): Likewise.
4704 (reg_note_name): Add REG_SETJMP
4705 * rtl.h (reg_note): Add REG_SETJMP.
4706 (insn_note): Remove NOTE_INSN_SETJMP.
4708 * profile.c (branch_prob): Add fake edges for setjmp.
4710 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4712 * config.gcc: Quote target_cpu_default2 correctly for
4713 powerpc*-*-* targets.
4715 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4717 * cpplib.h, line-map.h: Update comments.
4718 * cppmain.c (printer_init): Move inline.
4719 (maybe_print_line, print_line): Take a map pointer.
4720 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4721 (cb_file_change): Don't use prior value of print.map.
4723 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4725 * doc/install.texi: Document fine-grained multilib configuration.
4727 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4729 * rtlanal.c (find_first_parameter_load): Call note_stores
4730 only on the instructions.
4732 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4734 * alias.c (nonlocal_mentioned_p):
4735 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4736 * calls.c (emit_call_1): Likewise.
4737 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4738 * cselib.c (cselib_process_insn): Likewise.
4739 * df.c (df_insns_modify): Likewise.
4740 * flow.c (need_fake_edge_p): Likewise.
4741 (propagate_one_insn): Likewise.
4742 * haifa-sched.c (reemit_notes): Likewise.
4743 * integrate.c (copy_insn_list): Likewise.
4744 * jump.c (delete_prior_computation): Likewise.
4745 * local-alloc.c (validate_equiv_mem): Likewise.
4746 * loop.c (scan_loop): Likewise.
4747 * predict.c (estimate_probability): Likewise.
4748 * reload.c (reload): Likewise.
4749 * sched-deps (sched_analyze): Likewise.
4750 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4751 * gcse.c (compute_hash_table): Likewise.
4752 (mark_call): Likewise.
4753 (store_killed_in_insn): Likewise.
4755 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4757 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4759 2001-08-06 Richard Henderson <rth@redhat.com>
4761 * varasm.c (assemble_gc_entry): Remove.
4762 * output.h: Likewise.
4764 2001-08-06 Richard Henderson <rth@redhat.com>
4766 * varasm.c (assemble_constructor): Take a symbol_ref and a
4767 priority instead of a bare string. Move priority handling
4768 here from cp/decl2.c.
4769 * output.h: Update decls.
4771 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4772 and assemble_destructor.
4773 * profile.c (output_func_start_profiler): Likewise.
4774 * objc/objc-act.c (finish_objc): Likewise.
4775 (build_module_descriptor): Return the symbol not the symbol name.
4777 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4779 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4780 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4781 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4782 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4783 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4784 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4786 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4788 * cpperror.c (print_containing_files): Moved to line-map.c.
4789 (print_location): line-map.c handles re-listing or otherwise.
4790 * cpphash.h (struct lexer_state): Remove next_bol.
4791 (struct cpp_buffer): Remove include_stack_listed.
4792 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4793 Remove faked buffer handling.
4794 (_cpp_do_file_change): Tweak.
4795 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4796 * cppmain.c (struct printer): Remove filename.
4797 (print_line, cb_file_change): Update accordingly.
4798 * line-map.c: Include intl.h.
4799 (init_line_maps): Initialize last_listed.
4800 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4801 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4802 (print_containing_files): New.
4803 * line-map.h (struct line_maps): New member last_listed.
4804 (print_containing_files, INCLUDED_FROM): New.
4805 * Makefile.in: Update.
4806 * po/POTFILES.in: Add line-map.c.
4808 2001-08-06 Richard Henderson <rth@redhat.com>
4810 * except.c (convert_from_eh_region_ranges_1): Never mark
4811 USE or CLOBBER insns as throwing.
4813 * expr.c (store_constructor): Don't clobber memory targets.
4815 2001-08-06 Andreas Jaeger <aj@suse.de>
4817 * profile.c (branch_prob): Remove unused variable insn.
4819 * Makefile.in (local-alloc.o): Add dependency on except.h.
4821 * local-alloc.c: Include except.h for can_throw_internal prototype.
4823 2001-08-06 Richard Henderson <rth@redhat.com>
4825 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4826 * function.c (expand_main_function): Implement it.
4827 * doc/tm.texi: Document it.
4829 2001-08-06 Stan Shebs <shebs@apple.com>
4831 * doc/install.texi: Document powerpc-*-darwin* details.
4833 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4835 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4836 (ASM_CPU_SPEC): Move back to rs6000.h
4837 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4839 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4841 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4844 * config/rs6000/linux64.h: Ditto.
4846 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4847 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4850 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4851 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4853 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4856 2001-08-05 Richard Henderson <rth@redhat.com>
4858 * local-alloc.c (update_equiv_regs): Do not move insns that
4861 2001-08-05 Jan Hubicka <jh@suse.cz>
4863 * Makefile.in (reload1.o): Add dedendancy on except.h
4864 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4866 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4867 indicating wehther edges has been cleaned up.
4868 * reload1.c: Inlucde except.h
4869 (fixup_abnormal_edges): Accept deleted insns.
4870 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4873 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4875 * cpplib.c (do_line): Correct line number after pop_buffer.
4877 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4879 PR preprocessor/3824
4880 * line-map.c: Update comments.
4881 * line-map.h: Update comments.
4882 * tradcif.y: Don't consider large numbers unsigned.
4884 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4886 PR preprocessor/3081
4887 * c-lex.c (map): New.
4888 (cb_file_change): Update map and use it.
4889 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4890 (c_lex): Update to use map.
4891 * cpperror.c (print_location): Move to using logical line numbers.
4892 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4893 (cpp_make_system_header): Similarly.
4894 (_cpp_execute_include): Stop line numbering hacks. Store the
4895 line we will return to.
4896 * cpphash.h (CPP_BUF_LINE): Remove.
4897 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4898 Add map and return_to_line.
4899 (_cpp_do_file_change): Update.
4900 * cppinit.c (cpp_start_read): Update line kludge.
4901 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4902 (trigraph_ok): Use logical line numbers for diagnostics.
4903 (skip_block_comment): Likewise.
4904 (skip_whitespace): Likewise.
4905 (skip_line_comment): Use pfile->line instead.
4906 (_cpp_lex_token): Update to use logical line numbering exclusively.
4907 Handle BOL locally. Accept new lines in directives, but keep
4908 pfile->line decremented. Diagnostics use logical lines. Update
4910 * cpplib.c (SEEN_EOL): New.
4911 (skip_rest_of_line, check_eol): Use it.
4912 (end_directive): Increase line number when accepting the newline
4913 at the end of a directive.
4914 (run_directive): Simplify.
4915 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4916 (_cpp_do_file_change): Update to take buffer line number as an
4917 argument, and store the current map in the cpp_reader. Remove
4918 line number kludges.
4919 (_cpp_do__Pragma): Restore output position after a _Pragma.
4920 (cpp_push_buffer): Don't set output line or lineno.
4921 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4922 Remove line kludge. Set output_line.
4923 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4924 (parse_arg): Use logical lines.
4925 (save_lookahead_token): Save EOFs too now.
4926 * cppmain.c (struct printer): Fix comments.
4927 (printer_init): Simplify, let caller do errors.
4928 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4929 (maybe_print_line): Simplify.
4930 (print_line): Don't print a linemarker if -P.
4931 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4932 (cb_file_change): Simplify.
4933 * line-map.h (LAST_SOURCE_LINE): Fix.
4934 (CURRENT_LINE_MAP): New.
4936 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4938 * doloop.c (doloop_modify_runtime): Properly compute number of
4939 iterations if loop was unrolled.
4941 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4942 if their CSELIB_VAL_PTRs are.
4944 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4945 (setup_spill_pointers): Initialize it.
4946 (spill_restore_mem): Set it.
4947 (do_spill, do_restore): Use it to add REG_INC note.
4948 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4950 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4951 asms if other insns are available.
4953 * config/ia64/ia64.c (condop_operator): New predicate.
4954 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4955 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4958 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4959 temporary register than directly using a MEM.
4961 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4963 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4964 parameter in last change.
4966 2001-08-04 Zack Weinberg <zackw@panix.com>
4968 * sparc.md: Don't use #if inside C test expression.
4970 2001-08-04 Richard Henderson <rth@redhat.com>
4972 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4974 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4976 * cpphash.h (struct cpp_reader): New member directive_line.
4977 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4978 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4979 do_pragma): Pass line to callbacks.
4980 (start_directive): Record line of directive.
4981 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4982 cb_include): Similarly.
4983 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4986 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4988 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4991 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4993 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4995 * reload1.c (fixup_abnormal_edges): New static function.
4998 * flow.c (need_fake_edge_p): New function.
4999 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5000 avoid call insn to be very last insn in the insn stream.
5002 * profile.c (branch_prob): Call flow_call_edges_add instead of
5003 doing that by hand; cleanup cfg to re-merge basic blocks once
5006 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5008 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5009 are also on line-map.h.
5010 * cppfiles.c (stack_include_file): Update.
5011 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5012 (_cpp_pop_buffer): New.
5013 * cppinit.c (cpp_destroy, cpp_finish): Update.
5014 (do_includes): Mark each buffer to return at EOF.
5015 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5016 return as requested.
5017 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5018 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5019 * cpplib.h (cpp_pop_buffer): Remove.
5020 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5021 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5023 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5025 (do_preprocessing): Update.
5026 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5027 * c-parse.in (_yylex): Similarly.
5028 * scan-decls.c (scan_decls): Similarly.
5029 * line-map.h: Update comments.
5031 * objc/Make-lang.in (objc-act.o): Update dependencies.
5033 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5035 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5036 and soft register for operand 0.
5037 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5039 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5041 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5042 register for operand 0.
5043 ("bitcmpqi_z_used"): Allow memory for operand 0.
5044 (split "bitcmpqi"): New split to handle address reg as operand 1.
5046 2001-08-04 Andreas Jaeger <aj@suse.de>
5048 * gcse.c: Revert Daniel's last patch.
5050 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5052 * sparc-protos.h: Add prototypes for fp_zero_operand and
5054 * sh-protos.h: Add prototype for fpul_operand.
5056 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5058 * doc/extend.texi (Other Builtins): Fix typo in last change.
5060 2001-08-03 Richard Henderson <rth@redhat.com>
5062 * target.h (gcc_target): Add asm_out.named_section,
5063 section_type_flags, have_named_sections.
5064 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5065 (TARGET_HAVE_NAMED_SECTIONS): New.
5066 (TARGET_SECTION_TYPE_FLAGS): New.
5068 * Makefile.in (toplev.o): Depend on TARGET_H.
5069 (varasm.o, dbxout.o): Likewise.
5070 * c-common.c (decl_attributes): Check targetm.have_named_sections
5071 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5072 * dbxout.c (dbxout_function_decl): Likewise.
5073 (dbxout_function_end): Likewise.
5074 * toplev.c (compile_file): Likewise.
5075 * varasm.c (exception_section): Likewise.
5076 * cp/decl2.c (finish_objects): Likewise.
5078 * defaults.h (EH_FRAME_SECTION): Remove.
5079 (EH_FRAME_SECTION_ASM_OP): Remove.
5080 (EH_FRAME_SECTION_NAME): New.
5081 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5082 (UNIQUE_SECTION_P): Remove.
5083 * dwarf2out.c (SECTION_FORMAT): Remove.
5084 (ASM_OUTPUT_SECTION): Remove.
5085 (output_call_frame_info): Use named_section_flags.
5086 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5087 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5088 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5089 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5090 (named_section_flags): New.
5091 (named_section): Use it and targetm.section_type_flags.
5092 (resolve_unique_section): New.
5093 (assemble_start_function): Use it.
5094 (asm_emit_uninitialised, assemble_variable): Likewise.
5095 (default_section_type_flags): New.
5096 (default_no_named_section, default_elf_asm_named_section): New.
5097 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5098 * output.h: Update varasm.c decls.
5099 (SECTION_*): New flags.
5101 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5102 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5104 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5105 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5106 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5107 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5108 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5109 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5110 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5111 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5112 * config/pa/pa64-hpux.h,
5114 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5115 (TARGET_ASM_NAMED_SECTION): New.
5116 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5117 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5118 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5119 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5120 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5121 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5122 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5123 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5124 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5125 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5126 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5127 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5128 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5129 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5130 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5131 * config/sparc/sysv4.h: Likewise.
5133 * config/nextstep.h: Error until named sections implemented.
5135 * config/a29k/a29k.c (a29k_asm_named_section): New.
5136 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5137 (vms_section_type_flags, vms_asm_named_section): New.
5138 * config/arm/arm.c (arm_elf_asm_named_section): New.
5139 * config/avr/avr.c (asm_output_section_name): Remove.
5140 * config/avr/avr-protos.h: Update.
5141 * config/c4x/c4x.c (c4x_asm_named_section): New.
5142 * config/h8300/h8300.c (h8300_asm_named_section): New.
5143 * config/i386/i386.c (sco_asm_named_section): New.
5144 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5145 (i386_pe_section_type_flags): New.
5146 (i386_pe_asm_named_section): New.
5147 * config/i386/i386-protos.h: Update.
5148 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5149 * config/mcore/mcore.c (mcore_asm_named_section): New.
5150 * config/mips/mips.c (iris6_asm_named_section): New.
5151 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5152 instead of UNIQUE_SECTION_P.
5153 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5154 (xcoff_asm_named_section): New.
5155 * config/sh/sh.c (sh_asm_named_section): New.
5156 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5158 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5159 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5160 (EH_FRAME_SECTION_NAME): New.
5161 (EXCEPTION_SECTION): New.
5162 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5163 (DEBUG_*_SECTION): Remove.
5164 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5165 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5166 (EH_FRAME_SECTION_ASM_OP): Remove.
5168 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5169 (ASM_OUTPUT_SECTION_NAME): Remove.
5170 (TARGET_ASM_NAMED_SECTION): New.
5171 (TARGET_HAVE_NAMED_SECTIONS): New.
5172 (TARGET_SECTION_TYPE_FLAGS): New.
5173 (EH_FRAME_SECTION_ASM_OP): Remove.
5174 (EH_FRAME_SECTION_NAME): New.
5176 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5178 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5179 for complex expressions when cfun == 0.
5180 * doc/extend.texi: Document that __builtin_constant_p can be
5181 used in data initializers as well as functions.
5183 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5185 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5186 variable I locally, instead of expecting a declaration in the
5189 2001-08-03 Richard Henderson <rth@redhat.com>
5191 * except.c (collect_one_action_chain): Add an explicit cleanup
5192 action if regions surrounding a catch were encoded entirely
5193 within the call-site entry.
5195 2001-08-03 Richard Henderson <rth@redhat.com>
5197 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5198 don't take REGNO of a non-register.
5200 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5202 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5203 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5204 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5205 (__gthread_mutex_init_function): New function for mutex initialization.
5207 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5209 * Makefile.in: Revert screwed up commit.
5211 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5213 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5214 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5215 merged by linker script to get a final _exit().
5216 (__do_global_dtors): New for destructor handling in specific exit
5218 (__do_global_ctors): New for constructors in specific install section.
5219 (__map_data_section): Map data sections before running constructors.
5220 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5221 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5222 (DTORS_SECTION_ASM_OP): Likewise.
5223 (CTORS_SECTION_FUNCTION): Define to force a reference to
5225 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5227 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5229 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5231 * Makefile.in: Add df.h to gcse.c dependencies.
5233 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5235 * varasm.c (output_constant_def_contents): Use for the length of a
5236 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5237 depending on which is larger.
5239 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5241 * gcse.c: Include df.h for use as a dataflow analyzer.
5243 Declaration of reg_set_info: gone.
5244 New df_analyzer variable used by store motion.
5245 (reg_set_info): Deleted.
5246 (mark_mem_regs): New function, analyze regs used by a mem.
5247 (store_ops_ok): Use dataflow analyzer results to determine if
5248 necessary regs are changed in the block.
5249 (find_moveable_store): Remove check for symbol ref, we can handle
5250 much more complex expressions now.
5251 (compute_store_table): Remove most of the code, it's unnecessary
5252 now that the dataflow analyzer records the info for us.
5253 (store_killed_after): Add parameter to say whether to do the
5254 store_ops_okay test, used to speed up testing when we already know
5255 the answer, and just want to know if the store itself was killed.
5256 (build_store_vector): Largely rewritten to calculate the various
5257 vectors properly, and somewhat optimized.
5258 (store_motion): Init the df_analyzer, get REG_DEF chains.
5259 Also handle trapping expressions (since mems almost always trap)
5260 (simple_mem): Redefine what a simple mem is.
5262 2001-08-03 DJ Delorie <dj@redhat.com>
5264 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5265 set from a constant part of the condition.
5267 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5269 * mkdeps.c (deps_add_default_target): Make local variable
5270 ``start'' a const char pointer.
5271 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5273 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5275 * doc/install.texi (Configuration): Fix markup.
5276 (Specific, i?86-*-udk): Likewise.
5277 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5279 Document --enable-threads and --enable-libgcj status.
5280 (Specific, mips-sgi-irix*): Canonicalize triples.
5281 (Specific, mips-sgi-irix5): Warn about problems with this config.
5282 Mention required GNU as patch.
5283 Native assembler problems are fixed.
5284 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5285 Document --enable-threads and --enable-libgcj status.
5287 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5289 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5292 2001-08-03 Richard Henderson <rth@redhat.com>
5294 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5297 2001-08-03 Richard Henderson <rth@redhat.com>
5299 * rtlanal.c (find_first_parameter_load): Stop if we
5300 reach a CODE_LABEL at BOUNDARY.
5302 2001-08-03 Richard Henderson <rth@redhat.com>
5304 * config/alpha/alpha.md (force_movdi): New insn.
5305 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5306 Tweek FRP marking of VMS prologue insns.
5307 * config/alpha/vms.h (EPILOGUE_USES): New.
5309 2001-08-02 Richard Henderson <rth@redhat.com>
5311 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5313 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5315 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5316 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5317 config/convex/convex.h, config/d30v/d30v.c,
5318 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5319 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5320 config/mips/mips.h, config/mn10200/mn10200.h,
5321 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5322 config/v850/v850.h, config/vax/openbsd.h,
5323 config/vax/openbsd1.h, config/vax/ultrix.h,
5324 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5325 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5326 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5327 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5328 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5329 in comments and documentation.
5331 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5335 * Makefile.in (line-map.o): New.
5336 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5337 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5338 * cpperror.c (print_containing_files): Similarly.
5339 (print_location): Update. Don't output a space before _Pragma.
5340 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5341 (stack_include_filee, cpp_make_system_header): Update.
5342 (_cpp_execute_include): Get logical line number right for calling
5343 as-yet-unterminated #include.
5344 * cpphash.h (struct cpp_reader): Add line_maps.
5345 (_cpp_do_file_change): Update.
5346 * cppinit.c (cpp_create_reader): Initialize line maps.
5347 (cpp_destroy): Destroy line maps.
5348 (cpp_start_read): Get logical line number right.
5349 * cpplex.c (parse_string): Only warn once for multi-line strings.
5350 Use boolean variable for null warning.
5351 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5353 (do_include_common): End the directive early.
5354 (do_line): Don't warn about out-of-range lines in preprocessed
5355 source. Update. Remove unused variables.
5356 (_cpp_do_file_change): Update for new line mapping.
5357 (pragma_cb): New typedef.
5358 (cpp_register_pragma): Stop looking ahead before calling the
5360 (do_pragma_system_header): End directive early.
5361 (cpp_get_line_maps): New.
5362 (cpp_pop_buffer): Fudge logical line. Update.
5363 * cpplib.h: Include line-map.h
5364 (enum cpp_fc_reason): Remove.
5365 (struct cpp_file_change): Update.
5366 (cpp_get_line_maps): New.
5367 * cppmain.c (struct_printer): New member map.
5368 (cb_file_change): Update for new mappings.
5369 * fix-header.c (cb_file_change): Similarly.
5371 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5373 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5374 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5376 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5378 * config/vax/vax.c: include expr.h.
5380 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5382 * Makefile.in ($(srcdir)/configure): Only rebuild in
5384 ($(srcdir)/config.in): Only define in maintainer mode.
5385 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5387 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5389 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5391 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5393 * gcc.c (set_collect_gcc_options): New function, split out from
5395 Ignore elided switches.
5396 (do_spec_1): Invoke before executing command.
5397 (set_input): Export.
5398 Move declaration ...
5399 * gcc.h (set_input): ... here.
5400 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5403 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5406 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5408 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5410 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5412 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5413 for the unnamed instructions it expands to.
5415 2001-08-02 Richard Henderson <rth@redhat.com>
5417 * regclass.c (call_really_used_regs): Conditionally define.
5418 (init_reg_sets_1): Don't use it if not defined.
5419 (fix_register): Similarly, don't set it.
5421 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5423 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5424 Correct comment that had been missed in the previous change.
5426 2001-08-01 Stan Shebs <shebs@apple.com>
5428 * config/darwin.c (machopic_stub_name): Try matching by name.
5429 (update_stubs): New function.
5430 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5433 2001-08-01 Richard Henderson <rth@redhat.com>
5435 * except.c (output_function_exception_table): Use assemble_align.
5436 * varasm.c (assemble_eh_label): Remove.
5437 (assemble_eh_align, assemble_eh_integer): Remove.
5439 2001-08-01 Robert Lipe <robertl@caldera.com>
5441 * dwarfout.c: Remove reference to README.DWARF.
5443 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5445 * regclass.c (call_really_used_regs): New array for registers which
5446 are actually used by a call.
5447 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5449 (fix_register): Set call_really_used too.
5450 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5451 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5453 2001-08-01 Richard Henderson <rth@redhat.com>
5455 * read-rtl.c (read_name): Consider \r whitespace.
5457 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5459 * config.gcc: Recognize powerpc-*-netbsd*.
5461 * doc/install.texi (Host/target specific installation notes for
5462 GCC): Mention powerpc-*-netbsd*.
5464 * config/rs6000/netbsd.h: New file.
5465 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5466 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5467 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5468 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5469 (TARGET_VERSION): Redefine.
5471 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5472 mcall-netbsd as a match for mcall-sysv.
5473 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5474 (ncrti.S, ncrtn.S): New targets.
5475 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5477 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5478 "netbsd' as a V4 ABI.
5479 (ASM_SPEC): Check for -mcall-netbsd.
5480 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5481 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5482 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5483 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5484 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5485 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5486 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5488 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5489 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5491 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5493 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5494 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5495 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5496 including "unwind-pe.h".
5498 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5500 * rs6000.md (define_splits): Kill unused constraints.
5502 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5503 Jan Hubicka <jh@suse.cz>
5505 * function.c (thread_prologue_and_epilogue_insns): Kill code
5506 dealing with non-existent CFG.
5508 2001-08-01 Kazu Hirata <kazu@hxi.com>
5510 * alias.c: Fix comment formatting.
5511 * bitmap.c: Likewise.
5512 * builtins.c: Likewise.
5513 * calls.c: Likewise.
5514 * c-common.c: Likewise.
5515 * c-decl.c: Likewise.
5516 * c-dump.c: Likewise.
5517 * c-lex.c: Likewise.
5518 * collect2.c: Likewise.
5519 * combine.c: Likewise.
5520 * conflict.c: Likewise.
5521 * cppfiles.c: Likewise.
5522 * cppinit.c: Likewise.
5523 * cpplex.c: Likewise.
5524 * cpplib.c: Likewise.
5525 * cppmacro.c: Likewise.
5526 * cppspec.c: Likewise.
5527 * c-pragma.c: Likewise.
5528 * crtstuff.c: Likewise.
5530 * cselib.c: Likewise.
5531 * c-semantics.c: Likewise.
5532 * c-typeck.c: Likewise.
5534 2001-08-01 H.J. Lu <hjl@gnu.org>
5536 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5538 2001-08-01 H.J. Lu <hjl@gnu.org>
5540 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5542 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5544 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5545 contextualizing Objective-C class name lookup by the lexer.
5546 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5548 (protocoldef): Add support for forward @protocol declarations.
5549 (yylexname): Suppress ObjC class name lookup in certain contexts;
5550 re-enable after lookup is complete.
5551 (_yylex): Re-enable ObjC class name lookup when certain
5552 punctuation marks are seen.
5554 * objc/objc-act.c (check_protocol_recursively): New function used
5555 for finding circular dependencies in protocols.
5556 (objc_declare_protocols): New function for handling forward
5557 @protocol declarations.
5558 (receiver_is_class_object): Detect the case when 'self' is used
5559 inside of a class method.
5560 (build_message_expr): Issue a warning if class method is desired
5561 but instance method is found instead.
5562 (conforms_to_protocol): Streamline.
5563 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5564 protocol Foo, even if 'Bar foo' does not.
5565 (check_protocols): Streamline.
5566 (start_protocol): Add checks for circular and duplicate protocol
5568 (encode_aggregate_within): For typedefs of structs, encode the
5570 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5571 (objc_declare_protocols): New prototype.
5573 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5575 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5576 * cpplex.c (handle_newline): Update prototype. Maintain logical
5578 (skip_escaped_newlines, skip_block_comment, parse_string):
5580 (_cpp_lex_token): Update, and store token position within the token.
5581 * cpplib.h (struct cpp_token): Add line and column entries.
5582 * cppmacro.c (replace_args): Position stringified tokens correctly.
5584 2001-08-01 Andreas Jaeger <aj@suse.de>
5586 * basic-block.h: Add prototype for last_loop_beg_note.
5588 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5590 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5591 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5593 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5594 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5595 expand_decl_cleanup.
5596 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5598 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5599 operand while calling simple_cst_equal.
5600 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5601 operand is the cleanup expression, the third is the RTL_EXPR.
5602 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5604 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5606 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5608 2001-07-31 matthew green <mrg@eterna.com.au>
5610 * config.gcc (i386-*-netbsdelf): New description.
5611 * config/i386/netbsd-elf.h: New file.
5613 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5615 * loop.c (check_dbra_loop): Use single_set to compute
5618 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5620 PowerPC reorg and support for powerpc64-*-linux*.
5622 Also fixes emitting of constants on 32 bit and 64 bit
5625 * config.gcc: powerpc64-*-linux* is a new target.
5626 Things that needed aix.h now also include xcoff.h
5628 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5630 Move AIX specific stuff into aix.h.
5631 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5632 with more than just XCOFF now.
5633 (SET_ASM_OP): Remove, now defined where needed.
5634 (FUNCTION_PROLOGUE): New macro definition.
5635 (FUNCTION_EPILOGUE): New macro definition.
5636 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5638 * config/rs6000/xcoff.h: New file.
5640 * config/rs6000/linux64.h: New file.
5642 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5644 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5646 * rs6000.c (print_operand_address): Handle ELF syntax.
5647 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5648 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5649 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5651 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5653 * rs6000.c (rs6000_override_options): Only disable
5654 flag_function_sections for XCOFF.
5655 (exact_log2_cint_operand): New predicate.
5656 (reg_or_{add,sub}_cint64_operand): New predicates.
5657 (add_operand): Compare CONST_INT with fewer function calls.
5658 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5659 (print_operand, case 'p'): Ensure positive operand.
5660 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5661 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5662 (PREDICATE_CODES): Add new predicates.
5663 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5664 (divsi3, modsi3): Ensure positive power-of-2.
5665 (adddi3): Use new predicate. Split 32-bit constants more
5666 correctly. Re-arrange splitter to handle any constant.
5667 (subdi3): Use new predicate.
5668 (divdi3, moddi3): Ensure positive power-of-2.
5669 (movdi): Use rs6000_emit_set_const.
5670 (load_toc_v4_pic_di): Delete.
5672 2001-07-31 Graham Stott <grahams@redhat.com>
5674 * function.c (pad_below): Revert 2001-07-26 patch.
5676 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5678 * reg-stack (convert_regs_1): Fix best edge condition.
5680 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5682 * jump.c (duplicate_loop_exit_test): Better test for jumps
5683 entering the loop; create loop pre_header.
5685 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5687 * doc/install.texi: Add s390 and s390x as new targets.
5688 * doc/invoke.texi: Add documantation of S/390 and zSeries
5690 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5692 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5694 * config/m68k/m68k.md: Replace all general_operand with
5695 nonimmediate_operand for all destinations.
5696 * config/m68k/m68k.c (not_sp_operand): Likewise.
5698 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5700 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5702 2001-07-30 Richard Henderson <rth@redhat.com>
5704 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5705 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5707 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5709 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5710 Add missing doc strings
5711 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5712 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5714 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5716 * i386.c (ix86_output_main_function_alignment_hack): New function.
5717 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5719 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5720 edges by EDGE_DFS_BACK flag.
5721 (dump_edge_info): Add dfs_back flag.
5722 * basic-block.h (EDGE_DFS_BACK): New constant.
5723 (mark_dfs_back_edges): Declare.
5724 * alias.c (loop_p): Remove.
5725 (mark_constant_function): Use mark_dfs_back_edges.
5727 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5728 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5729 (compensate_edge): Break out from ...
5730 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5731 (convert_regs_2): Set block_done once block is really done;
5732 Do updating of the predecesors counts.
5734 * toplev.c (rest_of_compilation): Recompute block_for_insn
5735 before post-reload cfg_cleanup.
5736 * function.c (thread_prologue_epilogue_insns):
5737 Call set_block_for_new_insns when emitting prologue directly.
5739 2001-07-30 Andreas Jaeger <aj@suse.de>
5741 * jump.c: Add prototype for mark_modified_reg.
5743 * cse.c (set_live_p): Add unused attribute.
5745 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5747 (scan_for_source_files): Use long for count to avoid overflow.
5748 (output_data): Likewise.
5749 (output_data): Don't use string concatatenation to silence gcc
5752 * predict.c: Fix typos and grammar.
5754 * gcse.c (insert_insn_end_bb): Remove unused variables.
5756 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5758 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5759 (attempt_auto_inc): LIkewise.
5760 (mark_used_reg): Likewise.
5761 (try_pre_increment_1): Likewise.
5762 * regclass.c (regclass): Likewise.
5763 * global.c (allocno_compare): Update comment; change scaling factor.
5764 * local-alloc.c (QTY_CMP_PRI): Likewise.
5765 * regs.h (REG_FREQ_FROM_BB): New.
5766 (REG_FREQ_MAX): Likewise.
5768 2001-07-30 H.J. Lu <hjl@gnu.org>
5770 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5773 2001-07-30 H.J. Lu (hjl@gnu.org)
5775 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5776 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5777 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5779 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5781 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5782 as -mthumb-interwork when -mcpu=arm7 is specified.
5784 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5786 * predict.def (noreturn, loop branch, loop exit): Mark as first
5789 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5791 * combine.c (try_combine): Avoid barrier after noop jumps.
5793 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5795 * cpphash.h (struct cpp_reader): Remove import_warning.
5796 * cpplib.c (skip_rest_of_line): Don't bother turning off
5798 (parse_include): Move include handling to...
5799 (do_include_common): ... here. Move import warning from...
5800 (do_import): ... here.
5801 (do_pragma_poison): Don't do a callback for poison identifiers.
5802 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5803 * cppmain.c (setup_callbacks): Similarly.
5805 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5807 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5808 handle multiple sets.
5809 * except.c (sjlj_mark_call_sites): .... here.
5810 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5812 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5814 Suggested by Richard Henderson and Richard Kenner:
5815 * combine.c (recog_for_combine): Use the fake recog
5816 only if instruction does not match.
5817 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5818 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5820 * combine.c (try_combine): Discover noop jump as direct jump.
5822 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5824 * df.c (df_rd_global_compute): Add successors to worklist, not
5826 (df_ru_global_compute): Ditto.
5828 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5830 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5831 increment REG_N_SETS.
5833 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5835 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5837 * sbitmap.c (sbitmap_a_xor_b): New function.
5838 ifdef the basic block stuff on IN_GCC.
5840 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5842 * cppexp.c (parse_defined): Always record the macro name.
5843 (lex): Don't worry about identifiers, or special-case
5845 (_cpp_parse_expr): Figure out at the end of the routine
5846 whether we saw a valid !defined() expression.
5847 * cppfiles.c (stack_include_file): Update for mi_valid.
5848 (_cpp_pop_file_buffer): Similarly.
5849 * cpplex.c (_cpp_lex_token): Similarly.
5850 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5851 mi_if_not_defined, mi_lexed): Remove.
5853 * cpplib.c (do_if): Simplify.
5854 (do_endif, push_conditional, _cpp_handle_directive): Update
5855 for renaming of mi_state to mi_valid.
5857 * cpp.texi: Add index entries for digraphs, and add comment
5858 that C++ refers to them as alternative tokens.
5860 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5862 * basic-block.h (CLEANUP_PRE_LOOP): New.
5863 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5864 * sibcall.c (optimize_sibling_calls): Likewise.
5865 * toplev.c (rest_of_compilation): Likewise.
5866 * flow.c (try_forward_edges): Take argument MODE;
5867 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5868 (try_optimize_cfg): Update call of try_forward_edges.
5870 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5871 Jan Hubicka <jh@suse.cz>
5873 * (validate_replace_rtx_1): Fix simplification of MINUS.
5875 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5877 PR preprocessor/3669
5878 * cppinit.c (init_dependency_output): Turn off dump requests
5879 if sending dependencies to stdout.
5881 2001-07-28 Richard Henderson <rth@redhat.com>
5883 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5886 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5888 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5890 2001-07-28 Kazu Hirata <kazu@hxi.com>
5892 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5893 is VAR_DECL first to prevent an ICE.
5895 2001-07-28 Richard Henderson <rth@redhat.com>
5897 * varasm.c (immed_real_const_1): Don't elide special cases for
5899 (clear_const_double_mem): Clear const_tiny_rtx too.
5901 2001-07-28 Richard Henderson <rth@redhat.com>
5903 * dwarf2out.c (dw_val_class_offset): New.
5904 (struct dw_ranges_struct, dw_ranges_ref): New.
5905 (ranges_table, ranges_table_allocated): New.
5906 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5907 (add_AT_offset, add_ranges, output_ranges): New.
5908 (print_die, output_die): Handle dw_val_class_offset.
5909 (attr_checksum, size_of_die, value_format): Likewise.
5910 (gen_lexical_block_die): Handle non-contiguous blocks.
5911 (gen_block_die): Likewise.
5912 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5913 if needed. Dump the ranges table.
5914 * final.c (final_start_function): Remove unnecessary notes and
5915 rebuild the block tree before numbering the blocks.
5916 * function.c (reorder_blocks_0): Walk the existing block tree
5917 to unmark all blocks.
5918 (reorder_blocks_1): Create block fragments when duplicate block
5920 (reorder_fix_fragments): New.
5921 (reorder_blocks): Call it.
5922 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5924 2001-07-28 Richard Henderson <rth@redhat.com>
5926 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5928 2001-07-28 Richard Henderson <rth@redhat.com>
5930 * flow.c (add_to_mem_set_list): New function.
5931 (init_propagate_block_info): Use it.
5932 (mark_set_1): Likewise.
5933 (insn_dead_p): Canonicalize memory address for dead store
5934 comparison. Allow wider mode stores to kill narrower mode stores.
5935 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5936 (invalidate_mems_from_set): Don't handle MEMs.
5938 2001-07-28 Kazu Hirata <kazu@hxi.com>
5940 * config/h8300/h8300.h: Fix formatting.
5942 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5944 * basic-block.h (EDGE_FREQUENCY): New macro.
5945 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5947 * flow.c (find_sub_basic_blocks): Likewise.
5948 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5949 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5951 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5952 (HITRATE): New macro.
5953 (PRED_FLAG_FIRST_MATCH): New constant.
5954 (predictor_info): New field flgags.
5955 (combine_predictions_for_insn): Use DS theory to combine
5956 probabilities; set the edge probabilities when finished.
5957 (estimate_probability): Avoid duplicated matches
5958 of LOOP_BRANCH heuristics for nested loops; update comment.
5959 * predict.def: Add flags for each prediction, set probabilities
5960 according to B&L paper.
5961 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5963 * profile.c (compute_branch_probabilities): Cleanup way the edge
5964 probabilities are computed and REG_BR_PROB notes are dropped; if
5965 values does not match, emit error.
5966 (init_branch_prob): Do error instead of warning when profile driven
5967 feedback is missing or corrupt.
5969 2001-07-27 DJ Delorie <dj@redhat.com>
5971 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5972 against a constant, try to adjust the compare to have the desired
5973 constant in it so that min/max optimizations happen more often.
5975 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5977 * flow.c (last_loop_beg_note): New function.
5978 (redirect_edge_and_branch): Use it.
5979 (split_edge): Likewise.
5981 * alias.c (loop_p): Avoid uninitialized memory access.
5983 * flow.c (try_forward_edges): Avoid accessing freed memory.
5985 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5988 2001-07-26 Andrew Haley <aph@redhat.com>
5989 Joern Rennecke <amylaar@redhat.com>
5991 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5992 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5993 (SUBTARGET_CPP_SPEC): New.
5995 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5996 (SUBTARGET_CPP_PTR_SPEC): New.
5997 (CPP_DEFAULT_CPU_SPEC): New.
5998 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5999 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6000 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6001 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6002 (SUBTARGET_CPP_SPEC): Define as an empty string.
6004 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6006 * doc/install.texi (Configuration): Properly link the host
6007 specific instructions also when generating HTML.
6009 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6011 * flow.c (redirect_edge_and_branch_force): Test
6012 target->global_live_at_start.
6014 2001-07-26 Richard Henderson <rth@redhat.com>
6016 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6017 * rtl.h (avoid_constant_pool_reference): Declare it.
6018 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6019 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6021 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6023 * rtl.h (cleanup_barriers): Declare.
6024 * jump.c (cleanup_barriers): New function.
6025 * toplev.c (rest_of_compilation): Call cleanup_barriers
6026 before loop optimizer and after bb_reorder.
6028 * flow.c (back_edge_of_syntactic_loop_p): New.
6029 (split_edge): Use it.
6031 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6033 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6035 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6037 * cse.c (cse_process_notes): Replace any registers if the address
6040 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6042 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6043 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6044 (propagate_block): Update prototype.
6045 * flow.c (update_life_info): Simplify the CFG and
6046 recalculate the global regs which are alive when
6047 removing dead code during a global update.
6048 (propagate_block): Return non-zero if an INSN is
6051 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6053 * Makefile.in (LIBICONV): Define.
6055 2001-07-26 Catherine Moore <clm@redhat.com>
6057 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6058 of conditional to avoid tree checking errors.
6060 2001-07-26 Kazu Hirata <kazu@hxi.com>
6062 * regmove.c (regmove_optimize): Don't replace a reg with
6063 another reg of a different mode.
6065 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6067 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6068 limit length of dependancy flush list.
6069 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6070 * sched-int.h (struct deps): Add pending_flush_length field.
6071 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6072 has 1 element in it.
6073 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6074 (sched_analyze): After a jump, if the pending memory flush list is too
6075 large, flush the pending lists.
6076 (init_deps): Initialize pending_flush_length to 0.
6077 * doc/invoke.texi (max_pending_list_length): Document parameter.
6079 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6081 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6082 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6083 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6085 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6087 * cpphash.h (struct_lexer_state): Delete was_skipping.
6088 Move skipping here from struct cpp_reader.
6089 * cpplex.c (parse_identifier): Update.
6090 (_cpp_lex_token): Don't skip tokens in a directive.
6091 * cpplib.c (struct if_stack): Update.
6092 (start_directive, end_directive): Don't change skipping state.
6093 (_cpp_handle_directive): Update.
6094 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6095 (do_else, do_endif): Update; only check for excess tokens if not
6096 in a skipped conditional block.
6097 (push_conditional): Update for new struct if_stack.
6099 2001-07-26 Graham Stott <grahams@redhat.com>
6101 * function.c (locate_and_pad_parm): Also pad initial offset
6102 so that the total argument size also includes the padding.
6104 2001-07-26 Graham Stott <grahams@redhat.com>
6106 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6107 change XSTR to XTMPL.
6109 (process_one_cond_exec): Likewise
6111 2001-07-25 Richard Henderson <rth@redhat.com>
6113 * varasm.c (assemble_variable): Create DECL_RTL before setting
6116 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6118 * predict.c (estimate_probability): Avoid duplicated predictions.
6120 * loop.c (find_and_verify_loops): Grok multiple barriers.
6122 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6124 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6126 * dbxout.c: Consistently use putc instead of fputc.
6127 (print_wide_int): New function; call instead of direct fprintf.
6128 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6129 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6130 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6131 (print_int_cst_octal): Likewise.
6132 (print_octal): Show we wrote characters.
6133 (dbxout_type): Set have_used_extensions in more places.
6135 2001-07-25 Catherine Moore <clm@redhat.com>
6137 * config/v850/v850.c (v850_va_arg): Use addr
6138 instead of valist to build incr.
6140 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6142 * flow.c (delete_dead_jumptables): New function.
6143 (life_analyzis): Call it.
6144 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6147 2001-07-25 Richard Henderson <rth@redhat.com>
6149 * except.c (reachable_handlers): Handle a region being removed
6150 out from under a RESX.
6152 2001-07-25 Richard Henderson <rth@redhat.com>
6154 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6155 swap GE/GT if it is an fp comparison.
6157 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6159 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6162 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6164 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6165 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6168 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6170 (visit_expression): When attempting to simplify an expression,
6171 retrieve any modes for arguments before they are simplified
6174 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6175 Janis Johnson <janis@us.ibm.com>
6177 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6178 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6179 pointer parameters to match documented usage of nonlocal_goto.
6180 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6181 parameters to their correct order.
6182 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6183 parameters to their correct order.
6185 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6187 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6189 2001-07-25 Jan Hubicka <jh@suse.cz>
6190 Richard Henderson <rth@redhat.com>
6192 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6194 (make_edges): New argument update_p; populate the edge cache if set.
6195 (find_basic_blocks): Update make_edges invocation.
6197 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6199 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6201 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6203 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6204 -Acpu and -Amachine.h.
6205 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6206 Corrected header to say ELF not a.out.
6207 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6208 when given -msoft-float.
6210 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6212 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6213 extra multilib parts like arm-elf.
6214 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6215 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6216 crtfini.o as extra multilib parts.
6218 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6220 * configure.in: Add rtems as a supported thread model.
6221 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6222 * configure: Rebuilt.
6224 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6226 * stor-layout.c (get_mode_alignment): make it work when
6227 BITS_PER_UNIT is not a power of two.
6228 * builtins.c (get_pointer_alignment): Likewise.
6230 2001-07-24 Richard Henderson <rth@redhat.com>
6232 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6233 the retrieved constant into the expected mode.
6235 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6237 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6238 (verify_flow_info): Check for duplicated edges; clarify
6241 * flow.c (block_label): Update basic_block_for_insn.
6242 (commit_edge_insertions): Call compute_bb_for_insn.
6244 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6247 * flow.c (redirect_edge_and_branch,
6248 try_optimize_cfg): Use redirect_edge_succ_nodup
6249 (redirect_edge_succ_nodup): New.
6250 * basic_block.h (redirect_edge_succ_nodup): Declare.
6252 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6255 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6257 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6258 (try_crossjump_to_edge): Update commetns.
6259 (try_crossjump_bb): Likewise.
6261 2001-07-24 Richard Henderson <rth@redhat.com>
6263 * combine.c (distribute_notes): Move set of need_refresh
6264 for noop_move_p down to catch all cases.
6266 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6268 * recog.c (split_all_insns_noflow): New.
6269 * rtl.h (split_all_insns_noflow): Declare.
6270 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6271 * m68hc11.c (m68hc11_reorg): Likewise.
6272 * sh.c (machine_dependent_reorg): Likewise.
6273 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6276 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6278 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6279 (ashlsi3_n splitter): Likewise.
6280 (lshrsi3_n splitter): Likewise.
6282 (GOTaddr2picreg): Make const SImode.
6283 (sym_label2reg): Likewise.
6284 (symGOT2reg): Likewise.
6285 (symGOTOFF2reg) Likewise.
6287 (casesi_worker_0): Make unspec SImode.
6289 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6291 * config/sh/sh.c (barrier_align): Check that an operand really is
6292 an insn before extracting its INSN_CODE.
6294 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6296 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6299 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6300 for SImode to prevent overflow.
6302 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6304 * config/mips/irix6-libc-compat.c: New file.
6305 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6306 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6309 2001-07-24 lars brinkhoff <lars@nocrew.org>
6311 * rtl.texi (REG_POINTER): Document.
6312 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6313 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6315 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6317 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6319 2001-07-23 Richard Henderson <rth@redhat.com>
6321 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6323 2001-07-23 Kazu Hirata <kazu@hxi.com>
6325 * config/h8300/h8300-protos.h: Add a prototype for
6326 general_operand_dst_push.
6327 * config/h8300/h8300.c (general_operand_dst_push): New.
6328 * config/h8300/h8300.h (OK_FOR_T): New.
6329 (EXTRA_CONSTRAINT): Use it.
6330 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6331 the existing movqi pattern.
6332 (movhi_push): Likewise.
6334 * reload.c: Fix comment typos.
6336 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6338 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6340 2001-07-23 H.J. Lu (hjl@gnu.org)
6342 * doc/extend.texi: Update __builtin_return_address and
6343 __builtin_frame_address.
6345 2001-07-23 Richard Henderson <rth@redhat.com>
6347 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6349 * config/i386/i386.md: New setcc+movzbl peephole2.
6351 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6353 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6354 * objc/objc-act.c: Include debug.h.
6355 (synth_module_prologue): Save and restore debug hooks too.
6357 2001-07-23 lars brinkhoff <lars@nocrew.org>
6359 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6360 and C4X_FLOAT_FORMAT.
6361 (BOOL_TYPE_SIZE): Document.
6363 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6365 * unroll.c (loop_iterations): Fix miscalculation of initial
6368 2001-07-13 Andrew Haley <aph@redhat.com>
6370 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6371 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6372 * config/sh/sh.c (sh_can_redirect_branch): New function.
6373 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6374 * reorg.c (steal_delay_list_from_target): Use
6375 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6377 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6379 * flow.c (try_simplify_condjump): Unlink insn chain on
6380 fallthru edge; use can_fallthru.
6382 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6384 * basic-block.h (find_sub_basic_block): Declare.
6385 * flow.c (make_edges): New arguments MIN and MAX;
6386 (find_sub_basic_blocks): Revamp to use make_edges
6387 and purge_dead_edges.
6388 (find_basic_blocks): Update call of find_sub_basic_block.
6390 * recog.c (split_all_insns): Always expect CFG to be consistent;
6391 call find_sub_basic_blocks in case something has changed.
6392 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6395 * basic-block.h (delete_noop_moves): Declare.
6396 * combine.c (combine_instructions): Call it.
6397 (recog_for_combine): Tolerate noop moves
6398 (distribute_notes): Force refresh when register dies at noop move.
6399 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6401 (life_analysis): Update delete_noop_moves call.
6402 (set_noop_p): Move too ...
6403 * rtlanal.c (noop_move_p): ... here.
6404 * rtl.h (noop_move_p): Declare.
6406 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6407 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6409 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6410 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6412 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6414 * reload.c (push_reload): Fix typo in comment.
6415 (find_reloads_address): Ditto.
6416 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6418 2001-07-22 Richard Henderson <rth@redhat.com>
6420 * flow.c: Grammar check and clarify a lot of comments.
6421 (try_simplify_condjump): Rename variables to be clearer.
6422 (try_forward_edges): Skip complex and fallthru edges.
6423 Rearrange tests to avoid duplicate checks.
6424 (flow_find_cross_jump): Likewise.
6425 (outgoing_edges_match): Allow match if neither branch has
6426 probability data. Loosen probability match to 5%.
6427 (try_crossjump_to_edge): Hoist repeated indirection into
6429 (try_crossjump_bb): Don't check complex edges. Eliminate
6430 redundant crossjump tests.
6431 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6432 checks before more expensive checks.
6434 2001-07-22 Richard Henderson <rth@redhat.com>
6436 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6437 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6440 2001-07-22 Richard Henderson <rth@redhat.com>
6442 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6443 (const_sint32_operand): Likewise.
6444 * m68k.md (anon mulsi pattern): Use const_int_operand not
6445 const_sint32_operand.
6446 (umulsi3_highpart): Zero extend a constant input.
6447 (smulsi3_highpart): Don't bother checking SImode constant.
6448 (const_umulsi3_highpart): Give op3 DImode.
6449 (const_smulsi3_highpart): Likewise.
6451 2001-07-22 Richard Henderson <rth@redhat.com>
6453 * flow.c (split_block): Make sure bb_note is included in the
6454 new block when splitting before a label.
6456 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6458 * basic-block.h (redirect_edge_and_branch_force,
6459 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6460 * flow.c (redirect_edge_and_branch_force,
6461 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6462 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6463 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6464 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6465 instead of label; update CFG after transformation.
6466 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6467 for finishing the transformation; handle even case where ELSE
6468 does not follow THEN.
6469 (find_if_case_2): Update call of dead_or_predictable; simplify
6472 * emit-rtl.c (split_branch_probability): New global variable.
6473 (try_split): Take care to set split_branch_probability and
6474 create REG_BR_PROB note for new jump insns.
6475 * md.texi (define_split): Document new feature.
6477 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6479 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6481 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6482 (asm_out_file): Remove redundant declaration.
6483 (assemble_asm): Remove old #if 0 block.
6484 (assemble_variable): Remove end of function; debug output is
6485 now handled with global_decl. Remove old #if 0 block. Update.
6486 Remove saved_in_section and associated no-op code.
6487 * Makefile.in (varasm.o): Correct dependencies.
6489 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6491 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6492 the definition in defaults.h.
6494 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6496 * jump.c: Update comments.
6497 (delete_barrier_successors, delete_unreferenced_labels,
6498 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6499 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6500 jump_optimize, jump_optimize_minimal): Kill.
6501 (rebuild_jump_labels): Move code from jump_optimize_1.
6502 (purge_line_number_notes): Likewise.
6503 (copy_loop_headers): Likewise.
6504 * reg-stack.c: Update comment.
6506 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6507 JUMP_AFTER_REGSCAN): Kill.
6508 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6509 purge_line_number_notes and copy_loop_headers.
6511 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6512 Richard Henderson <rth@redhat.com>
6514 * dbxout.c (dbxout_global_decl): New.
6515 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6516 * sdbout.c (sdbout_finish): New.
6517 (sdbout_debug_hooks): Use it, add comments.
6518 (sdbout_global_decl): Defer initialised public vars to
6520 * varasm.c (assemble_variable): Don't output debug information
6521 for file-scope variables.
6523 2001-07-22 Richard Henderson <rth@redhat.com>
6525 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6526 (get_round_mode_suffix): New.
6527 (print_operand): Use them for [/]. Remove support for [&'`()+].
6528 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6529 * config/alpha/alpha.md (attr round_suffix): New.
6530 (attr trap_suffix): New.
6531 (all insns): Set them appropriately. Use %/ instead of the
6534 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6536 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6538 2001-07-22 Richard Henderson <rth@redhat.com>
6540 * regrename.c (regrename_optimize): Compute nregs for each
6541 potential target register.
6543 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6544 Richard Henderson <rth@redhat.com>
6546 * dbxout.c (dbxout_global_decl): New.
6547 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6548 * sdbout.c (sdbout_finish): New.
6549 (sdbout_debug_hooks): Use it, add comments.
6550 (sdbout_global_decl): Defer initialised public vars to
6552 * varasm.c (assemble_variable): Don't output debug information
6553 for file-scope variables.
6555 2001-07-21 H.J. Lu (hjl@gnu.org)
6557 * config/mips/mips.c (mips_cpu): Moved into ...
6558 (override_options): Here.
6560 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6562 (mips_cpu): Removed.
6564 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6566 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6567 ("iorqi3"): Likewise.
6568 ("xorqi3"): Likewise.
6569 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6570 ("*subhi3_sp): Likewise.
6571 ("*subhi3"): Likewise.
6572 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6575 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6577 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6578 * config/freebsd.h: Likewise.
6579 * config/linux.h: Likewise.
6580 * config/openbsd.h: Likewise.
6581 * config/alpha/linux-elf.h: Likewise.
6582 * config/arm/linux-elf.h: Likewise.
6583 * config/d30v/d30v.h: Likewise.
6584 * config/fr30/fr30.h: Likewise.
6585 * config/ia64/aix.h: Likewise.
6586 * config/ia64/ia64.h: Likewise.
6587 * config/mips/linux.h: Likewise.
6588 * config/pj/pj.h: Likewise.
6589 * config/rs6000/linux.h: Likewise.
6590 * config/sparc/linux.h: Likewise.
6591 * config/sparc/linux64.h: Likewise.
6593 2001-07-20 Bruce Korb <bkorb@gnu.org>
6595 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6596 because getc() and char* may disagree on signedness.
6598 2001-07-20 Richard Henderson <rth@redhat.com>
6600 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6602 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6603 insns to delete in the presence of cc0 in a jump insn.
6605 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6606 Jan Hubicka <jh@suse.cz>
6608 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6609 of doing the change by hand.
6611 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6613 * rtlanal.c (set_noop_p): Return true for noop jumps.
6615 * expr.c (emit_single_push_insn): Add call to push expander.
6616 * expr.h (optab_index): Add OTI_push
6617 (push_optab): New constant.
6618 * genopinit.c (optabs): Add push_optab.
6619 * optabs.c (init_optab): Init push optab.
6620 * md.texi (push??1): Document
6622 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6624 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6625 expand to emit the pattern; put a REG_INC note for push/pop
6627 ("movdf", "movdf_internal"): Likewise.
6628 ("movsi", "movsi_internal"): Likewise.
6629 ("movsf", "movsf_internal"): Likewise.
6630 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6632 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6634 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6637 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6639 * params.def: Change default max inline insns to 100.
6641 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6643 * combine.c (combine_simplify_rtx): Generate a new shift operation
6644 when simplifying the first operand of a (neg (ashift)) expression.
6646 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6648 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6650 2001-07-20 Kelley Cook <kelley.cook@home.com>
6652 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6653 information. Move rest into ...
6654 (*-*-solaris): ... here. Eliminate redundant information and
6655 reword necessary packages section. Delete 4.x assembler bug info.
6656 (sparc-sun-*): Merge into ...
6657 (sparc-sun-sunos*): here.
6659 2001-07-20 Catherine Moore <clm@redhat.com>
6661 * config/v850/v850.md (casesi): Generate LABEL_REF
6664 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6666 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6667 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6668 * i386.md (strclrsi expander): Use it.
6670 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6672 * integrate.c (copy_insn_list): handle
6673 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6674 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6675 identically as to CODE_LABEL.
6677 * fold-const (fold): Convert A/B/C to A/(B*C) and
6680 * except.c (connect_post_landing_pads): Delete the RESX insns.
6682 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6684 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6686 * config/mips/mips.md (nmadd/nmsub): Use macro.
6688 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6690 * cppinit.c (remove_dup_dir): Make static.
6691 (remove_dup_dirs): Make static. Only warn about preempting a
6692 system directory with a non-system directory.
6694 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6696 * ifcvt.c (noce_try_store_flag_constants): Correct order
6697 of parameters to trunc_int_for_mode.
6699 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6701 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6702 an exception that will be caught within this function, do not fill
6703 its delay slot with any subsequent instruction.
6705 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6707 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6708 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6709 pointer extension instruction.
6710 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6711 * simplify-rtx.c (simplify_unary_operation) Likewise.
6712 * explow.c (convert_memory_address) Check value of
6713 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6715 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6716 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6717 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6718 Add Multilib Support.
6719 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6720 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6721 Add Multilib Support.
6722 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6724 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6725 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6726 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6728 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6730 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6731 old and new operands in `<', `3' and `b'.
6733 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6735 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6736 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6737 (toplev.o): Don't depend on xcoffout.h.
6738 * c-decl.c: Include debug.h
6739 (duplicate_decls): Use debug hook.
6740 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6741 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6742 (dbxout_types): Remove.
6743 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6744 * debug.c (do_nothing_debug_hooks): Update.
6745 (debug_true_tree, debug_nothing_rtx): New.
6746 * debug.h (struct rtx_def): New.
6747 (struct gcc_debug_hooks): New hooks ignore_block,
6748 outlining_inline_function and label.
6749 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6750 dwarf2out_frame_finish): New.
6751 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6752 Make static, update prototype.
6753 (dwarf2_debug_hooks): Update.
6754 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6755 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6756 * dwarfout.c (dwarf_debug_hooks): Update.
6757 * emit-rtl.c: Include debug.h.
6758 (remove_unnecessary_notes): Use debug hook.
6759 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6760 (final_scan_insn): Use debug hook.
6761 * integrate.c (output_inline_function): Use debug hook.
6762 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6763 (sdb_debug_hooks): Update.
6764 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6765 * toplev.c: Don't include xcoffout.h.
6766 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6767 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6769 * tree.h (dwarf2out_do_frame): Remove.
6771 2001-07-19 Catherine Moore <clm@cygnus.com>
6773 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6775 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6777 * reload1.c (eliminate_regs_in_insn): When updating a set
6778 to the frame pointer to the hardware frame pointer, perform
6779 the update always not just when REPLACE is set.
6781 * reload1.c (choose_reload_regs): Don't inherit a reload
6782 that crosses multiple registers if registers past the first
6783 don't fit in the desired class.
6785 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6786 when negating constants.
6788 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6790 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6791 * doc/tree.texi: Ditto.
6793 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6794 Jakub Jelinek <jakub@redhat.com>
6796 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6797 (extract_cie_info): Handle "eh" augmentation properly,
6799 (struct frame_state, __frame_state_for): New.
6801 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6803 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6804 HANDLE_SYSV_PRAGMA): Define.
6805 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6807 (copy_object): Caller changed.
6809 2001-07-19 Andreas Schwab <schwab@suse.de>
6811 * configure.in (assembler dwarf2 debug_line support): Define nop
6813 * configure: Regenerated.
6815 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6817 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6819 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6820 to conditionally compiled block.
6821 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6822 * dbxout.h (dbxout_function): Remove.
6823 * debug.c (do_nothing_debug_hooks): Update.
6824 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6825 global_decl, deferred_inline_function.
6826 * dwarf2out.c (dwarf2_debug_hooks): Update.
6827 (dwarf2out_global_decl): New.
6828 * dwarfout.c: Don't include dwarfout.h.
6829 (dwarfout_global_decl, dwarfout_function_decl,
6830 dwarfout_deferred_inline_function): New.
6831 (dwarf_debug_hooks): Update.
6832 * dwarfout.h: Remove.
6833 * final.c: Don't include dwarfout.h.
6834 * sdbout.c (sdbout_global_decl): New.
6835 (sdbout_debug_hooks): Update.
6836 * toplev.c: Don't include dwarfout.h.
6837 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6838 (note_deferral_of_defined_inline_function): Remove.
6839 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6840 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6841 * ch/lex.c: Don't include dwarfout.h.
6842 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6843 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6844 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6845 * cp/optimize.c: Include debug.h.
6846 (maybe_clone_body): Use debug hook.
6847 * cp/semantics.c: Include debug.h.
6848 (expand_body): Use debug hook.
6849 * po/POTFILES.in: Remove dwarfout.h.
6851 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6853 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6854 * c-parse.in (yyerror, _yylex): Similarly.
6855 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6856 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6858 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6859 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6861 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6863 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6864 in-class declaration at -g1. Fixes c++/2814.
6866 2001-07-18 Richard Henderson <rth@redhat.com>
6868 * doc/md.texi (reload_in/out): Document restrictions in predicates
6869 and constraints for these patterns. Document empty string matching
6872 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6874 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6876 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6878 * cse.c: Undo my previous patch.
6880 2001-07-18 Tom Tromey <tromey@redhat.com>
6883 * configure: Rebuilt.
6884 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6886 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6888 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6889 Jan Hubicka <jh@suse.cz>
6891 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6892 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6893 * jump.c (mark_jump_label): Do not forward branches.
6895 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6897 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6898 when return value is unused.
6900 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6902 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6904 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6906 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6907 on error. We can't blindly return the result of
6908 pthread_mutex_trylock because it returns a positive number on
6909 error, while we must return -1 on error.
6910 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6912 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6914 2001-07-18 Andreas Jaeger <aj@suse.de>
6916 * integrate.c (output_inline_function): Correct type of debug_hooks.
6918 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6920 * combine.c (combine_simplify_rtx): DIV can be treated
6921 associatively for floats if unsafe math optimisations are enabled.
6923 2001-07-17 Richard Henderson <rth@redhat.com>
6925 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6927 2001-07-17 Richard Henderson <rth@redhat.com>
6929 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6930 don't force the function address into a register.
6931 (expand_call, emit_library_call_value_1): Update callers.
6932 * builtins.c (expand_builtin_apply): Likewise.
6933 * expr.h (prepare_call_address): Update decl.
6935 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6937 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6939 * config/i386/chorus.h: Move up.
6940 * config/sparc/chorus.h: Likewise.
6941 * config/rs6000/chorus.h: Likewise.
6942 * config/chorus.h: Moved here.
6944 2001-07-17 Andreas Schwab <schwab@suse.de>
6946 * configure.in (assembler eh_frame optimization): Handle big
6948 * configure: Regenerated.
6950 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6952 * expr.c (epxand_expr): Convert divisions into multiplications by
6953 reciprocals if -ffast-math.
6955 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6957 * dbxout.c (dbxout_really_begin_function): Rename to
6958 dbxout_begin_function.
6959 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6960 (dbxout_begin_function): Remove.
6961 (dbxout_function): Update.
6962 (dbxout_source_line): Update prototype.
6963 * dbxout.h (dbxout_begin_function): Remove.
6964 * debug.c (do_nothing_debug_hooks): Update.
6965 (debug_nothing_tree): Update.
6966 (debug_nothing_charstar_rtx): Remove.
6967 * debug.h (union tree_node): Declare.
6968 (struct rtx_def): Remove.
6969 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6970 begin_function. Change source_line prototype.
6971 (debug_nothing_tree): New.
6972 (debug_nothing_charstar_rtx): Delete.
6973 (dwarf2out_begin_prologue): Moved from ...
6975 * dwarf2out.c (dwarf2_debug_hooks): Update.
6976 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6977 debug info, call dwarf2out_source_line.
6978 (dwarf2out_souce_line): Update prototype.
6979 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6980 Change prototype, make static.
6981 (dwarfout_source_line): Update prototype.
6982 (dwarf_debug_hooks): Update.
6983 * dwarfout.h (dwarfout_begin_function): Remove.
6984 * final.c (final_start_function, final_scan_insn): Use appropriate
6985 debug hooks, update to use notice_source_line.
6986 (output_source_line): Rename notice_source_line. Don't call the
6987 source_line debug hook.
6988 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6989 make static, update prototype.
6990 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6992 (sdbout_end_prologue): New.
6993 (sdbout_source_line): Update prototype.
6994 (sdbout_debug_hooks): Update.
6995 (sdbout_symbol): Remove unused var.
6996 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6998 * varasm.c: Include debug.h.
6999 (assemble_start_function): Use begin_function debug_hook.
7000 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7001 update with prototype.
7002 (xcoffout_source_line): Update prototype.
7003 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7005 (xcoffout_source_line): Update prototype.
7007 2001-07-17 Richard Henderson <rth@redhat.com>
7009 * c-typeck.c (build_binary_op): Do not shorten unsigned
7010 right shift after sign extension.
7012 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7014 * combine.c (combine_simplify_rtx): Attempt to simplify
7015 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7017 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7018 (simplify_binary_operation, simplify_unary_operation,
7019 simplify_relational_operation): Use it.
7021 * combine.c (combine_simplify_rtx): Don't do associative law
7022 on divisions; allow associative law on floats.
7024 2001-07-17 H.J. Lu <hjl@gnu.org>
7025 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7027 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7028 ASM_OUTPUT_WEAK_ALIAS are defined.
7029 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7030 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7032 * config/mips/iris5.h: ... here.
7033 (HANDLE_SYSV_PRAGMA): Defined as 1.
7034 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7035 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7038 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7040 * c-parse.in (all_prefix_attributes): New variable.
7041 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7042 (maybe_resetattrs): New production.
7043 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7044 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7045 notype_initdcl, nested_function, notype_nested_function,
7046 component_decl, components, components_notype,
7047 component_declarator, component_notype_declarator,
7048 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7049 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7050 after a comma being applied to more than one declarator.
7051 * doc/extend.texi (Attribute Syntax): Update. Remove
7052 documentation of bugs that are no longer present.
7054 2001-07-13 Eric Christopher <echristo@redhat.com>
7056 * config/mips/mips.h: Change TUNE_MIPS* options to use
7058 (EXTRA_SPECS): Add cc1_cpu_spec.
7059 * config/mips/mips.md (muldf3): Fix typo.
7061 2001-07-16 Richard Henderson <rth@redhat.com>
7063 * config/m68k/m68k.c: Include expr.h and reload.h.
7064 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7065 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7067 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7068 Richard Henderson <rth@redhat.com>
7070 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7071 (insn_live_p): Fix fall off end of function.
7072 (dead_libcall_p): Remove COUNTS argument; update callers.
7073 (delete_trivially_dead_insns): Remove unused variables.
7075 2001-07-17 Andreas Jaeger <aj@suse.de>
7077 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7080 * lcm.c (optimize_mode_switching): Avoid warning for unused
7081 variable if !NORMAL_MODE.
7083 * flow.c (try_crossjump_to_edge): Remove unused variable.
7085 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7087 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7088 atexit declaration in stdlib.h.
7090 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7092 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7094 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7096 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7097 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7098 do rebuild_jump_labels instead of jump_optimize
7099 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7100 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7101 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7103 * flow.c: Include timevar.h
7104 (find_basic_block): Push/pop timevar;
7105 (cleanup_cfg): Likewise.
7106 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7107 * Makefile: Add dependencies on timevar.h
7109 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7110 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7112 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7113 * toplev.c (rest_of_compilation): Update calls.
7114 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7115 (delete_trivially_dead_insns): ... here; accept new argument
7116 preserve_basic_blocks; preserve basic blocks if set.
7118 * reg-stack.c (stack_regs_mentioned): Return 0 if
7119 stack_regs_mentioned_data is not initialized.
7120 (reg_to_stack): Make stack_regs_mentioned survive after the
7121 reg-stack is completted; do not call cleanup_cfg.
7122 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7123 make cleanup_cfg after bb-reorder to output to debug file.
7125 2001-07-16 Richard Henderson <rth@redhat.com>
7127 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7128 from int_reg_class_contents.
7130 2001-07-16 Richard Henderson <rth@redhat.com>
7132 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7133 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7134 (init_reg_sets_1): Move initialization from cse_main.
7135 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7136 (cse_main): Move its initialization also.
7137 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7138 * flow.c (propagate_one_insn): Likewise.
7139 * gcse.c (compute_hash_table): Likewise.
7140 (compute_kill_rd, compute_store_table): Likewise.
7141 * sched-deps.c (sched_analyze_1): Likewise.
7143 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7145 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7148 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7150 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7151 in if statement so we don't access undefined memory.
7153 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7155 * gcse.c: Update comment at top.
7156 Update comment on mem handling.
7157 mem_last_set, mem_first_set, mem_set_in_block: gone.
7158 Declaration of reg_set_info: gone.
7159 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7160 pointless with load_killed_in_block_p (they are *more*
7161 conservative then it, not less, and less accurate).
7162 (oprs_not_set_p): Ditto.
7163 (alloc_gcse_mem): Don't allocate mem_set_in_block
7164 (free_gcse_mem): Don't free it, either.
7165 (record_last_mem_set_info): Update comment in front, remove
7166 mem_*set_* stuff. Note the reason we don't handle stores directly
7168 (compute_hash_table): Update comments to reflect reality. Remove
7169 mem_*set_* references.
7170 (reset_opr_set_tables): Remove mem_*set_* references.
7172 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7173 (mark_clobber): Ditto (on both parts, we double set here too).
7174 (expr_killed_p): Remove mem_set_in_block test.
7175 (compute_transp): Remove mem_set_in_block test.
7177 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7178 of edge, and removal of phi alternative to dump file.
7179 (ssa_ccp_substitute_constants): Add note about register now being
7180 constant, and which uses were replaced in what insns to dump file.
7182 2001-07-16 Andreas Jaeger <aj@suse.de>
7184 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7185 variables of type HOST_WIDEST_INT.
7187 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7188 (__bb_exit_func): Correct type of count_max to avoid overflow.
7189 (num_digits): Handle long long argument.
7191 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7193 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7195 * output.h (sdb_begin_function_line): Restore as an extern
7197 * sdbout.c (sdb_begin_function_line): Make extern.
7199 2001-07-15 Richard Henderson <rth@redhat.com>
7201 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7202 * genrecog.c (maybe_both_true_mode): New.
7203 (maybe_both_true_2): Use it.
7204 (write_switch): Don't put Pmode in a switch.
7205 * rtl.c (mode arrays): Don't explicitly size them.
7207 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7209 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7210 handling; move unconditional splitting before mode switching.
7212 * i386.md (type): Add fistp type.
7213 (i387, length_attr, scheduling definitions): Handle this type.
7214 (fix_trunc?f?i2): Revamp to use mode switching.
7215 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7216 * i386.h (fp_cw_mode): New enum
7217 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7218 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7220 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7222 * Makefile.in (integrate.o): Add debug.h.
7223 * integrate.c (debug.h): Add.
7224 (output_inline_function): Save, reset, and restore debug_hooks.
7226 2001-07-15 Richard Henderson <rth@redhat.com>
7228 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7229 instead of COMPARE for the EQUIV expression.
7231 2001-07-15 Richard Henderson <rth@redhat.com>
7233 * flow.c (redirect_edge_and_branch_force): Initialize
7234 global_live_at_start and global_live_at_end.
7235 (allocate_bb_life_data): Export.
7236 * basic-block.h (allocate_bb_life_data): Declare.
7237 * toplev.c (rest_of_compilation): Call it.
7239 2001-07-15 Richard Henderson <rth@redhat.com>
7241 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7242 (alpha_tablejump_best_label): New.
7243 * config/alpha/alpha-protos.h: Declare them.
7244 * config/alpha/alpha.md: Use braced strings for code blocks.
7245 (tablejump_osf): Break out add with r29.
7246 (tablejump_osf_internal): Remove.
7247 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7248 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7250 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7252 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7255 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7257 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7258 (ix86_fp_jump_nontrivial_p): New.
7259 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7260 use ix86_fp_jump_nontrivial_p.
7261 * i386.c (ix86_fp_jump_nontrivial_p): New.
7262 (ix86_split_fp_branch): Accept code instead of rtx.
7263 (ix86_expand_compare): Expand comparison early in case
7264 doing so is resonably cheap.
7266 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7268 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7270 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7271 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7273 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7275 * dbxout.c (dbxout_source_line): Make static, update prototype.
7276 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7277 (dbxout_init, dbxout_finish, dbxout_source_line,
7278 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7279 * dbxout.h (dbxout_source_line): Delete.
7280 * debug.c (debug_nothing_file, debug_nothing_file_int,
7281 debug_nothing_file_charstar_rtx): New.
7282 (do_nothing_debug_hooks): Update.
7283 (debug_nothing_void, debug_nothing_charstar_rtx,
7284 dwarf2out_end_epilogue): New.
7285 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7286 * debug.h (struct rtx_def): Declare.
7287 (gcc_debug_hooks): New hooks source_line, end_epilogue
7289 (debug_nothing_void, debug_nothing_charstar_rtx,
7290 dwarf2out_end_epilogue): New.
7291 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7292 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7293 (dwarf2_debug_hooks): Update.
7294 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7295 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7296 * dwarf2out.h (dwarf2out_source_line): Remove.
7297 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7298 Make static, update prototype.
7299 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7300 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7301 (dwarf_debug_hooks): Update.
7302 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7303 dwarfout_end_function): Remove.
7304 * final.c (profile_function): Use debug hooks for ending functions
7306 (output_source_line, final_end_function): Update prototype,
7308 (final_start_function, final_scan_insn): Update.
7309 * output.h (sdb_begin_function_line): Remove.
7310 (final_end_function): Update prototype.
7311 * sdbout.c (sdb_begin_function_line): Make static.
7312 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7313 (sdbout_source_line): New.
7314 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7316 (sdb_debug_hooks): Update.
7317 (sdbout_init, sdbout_source_line,
7318 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7319 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7320 * toplev.c (compile_file, rest_of_compilation): Update.
7321 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7322 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7323 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7324 Update for prototype changes.
7325 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7326 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7328 2001-07-15 Richard Henderson <rth@redhat.com>
7330 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7331 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7332 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7333 * config/alpha/alpha.c: Likewise.
7334 * config/alpha/alpha.md: Likewise.
7335 * config/alpha/alpha32.h: Likewise.
7336 * config/alpha/vms.h: Likewise.
7339 2001-07-14 Richard Henderson <rth@redhat.com>
7341 * config/alpha/alpha.md: Use define_constants for unspec values.
7342 Substitute throughout.
7344 2001-07-14 Tim Josling <tej@melbpc.org.au>
7346 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7348 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7350 * pa.md: Remove unused constraints from define_split's.
7352 2001-04-14 Richard Henderson <rth@redhat.com>
7354 * ifcvt.c (find_cond_trap): Test for exit block.
7356 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7358 Re-install recently reverted patch.
7359 * emit-rtl.c (try_split): Update mark_jump_label call.
7360 * flow.c (find_sub_basic_blocks): Likewise.
7361 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7363 (mark_all_labels): Kill second parameter.
7364 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7365 (rebuild_jump_labels, jump_optimize_minimal): Update call
7367 (jump_optimize_1): Kill crossjumping code.
7368 (mark_jump_label): Kill cross_jump parameter.
7369 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7370 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7371 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7373 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7375 (dump_file_info): Likewise.
7376 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7377 reorganize passes to do reg-stack first, bb-reorder second.
7378 * invoke.texi (-d letters doc): Remove the jump2 pass.
7380 2001-07-14 Richard Henderson <rth@redhat.com>
7382 * ifcvt.c (find_cond_trap): New.
7383 (find_if_header): Call it.
7384 (merge_if_block): Relax existing jump sanity check.
7385 * jump.c (jump_optimize_1): Remove conditional trap handling.
7387 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7389 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7391 (insn_refs_are_delayed): Correct comment.
7392 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7393 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7394 instead of r31. Make associated insn !TARGET_64BIT, and
7395 provide an additional 64-bit insn that clobbers r2.
7397 (udivsi3): Likewise.
7399 (umodsi3): Likewise.
7401 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7403 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7405 * flow.c (redirect_edge_and_branch_force, split_edge,
7406 try_crossjump_to_edge): Use set_block_for_new_insns.
7407 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7409 2001-07-13 H.J. Lu (hjl@gnu.org)
7411 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7414 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7416 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7418 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7420 * c-common.c (decl_attributes): Take a pointer to the node to
7421 which attributes are to be attached, and a flags argument.
7422 * c-common.h (enum attribute_flags): New.
7423 (decl_attributes): Update prototype.
7424 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7425 finish_enum, start_function): Update calls to decl_attributes.
7426 * c-parse.in (component_declarator, component_notype_declarator,
7427 label): Update calls to decl_attributes.
7429 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7431 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7432 * config/avr/avr.c (legitimate_address_p): Return value changed
7433 from letter to register classes. For better debugging.
7435 2001-07-13 Kazu Hirata <kazu@hxi.com>
7437 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7439 2001-07-13 H.J. Lu (hjl@gnu.org)
7441 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7443 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7445 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7446 correctly for shared configurations.
7447 * config/t-libgcc-pic: New.
7448 * config/{i386,m68k,sparc}/t-openbsd: New.
7449 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7450 Support -shared. Support debugging libraries with -g.
7451 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7452 frame information does not emit pointer diffs.
7453 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7456 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7458 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7460 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7462 * combine.c (try_combine): Ensure const_int pow2 is positive.
7464 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7466 * config.gcc: Add configuration for s/390.
7467 * config/s390/s390.c: New. Subroutines for code generation.
7468 * config/s390/s390.h: New. Definitions for s/390.
7469 * config/s390/s390-protos.h: New. Prototypes.
7470 * config/s390/linux.h: New. Definitions for linux for s/390.
7471 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7472 * config/s390/t-linux: New. Makefile fragment.
7473 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7474 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7476 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7478 * emit-rtl.c (try_split): Update mark_jump_label call.
7479 * flow.c (find_sub_basic_blocks): Likewise.
7480 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7482 (mark_all_labels): Kill second parameter.
7483 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7484 (rebuild_jump_labels, jump_optimize_minimal): Update call
7486 (jump_optimize_1): Kill crossjumping code.
7487 (mark_jump_label): Kill cross_jump parameter.
7488 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7489 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7490 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7492 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7494 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7495 reorganize passes to do reg-stack first, bb-reorder second.
7496 * invoke.texi (-d letters doc): Remove the jump2 pass.
7498 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7500 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7502 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7504 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7506 (verify_flow_info): Make diagnostics prettier.
7508 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7510 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7512 * flow.c (outgoing_edges_match): Return early if condition reversal
7515 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7517 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7518 (mips_move_2words): When splitting a move into two instructions,
7519 prefix the second address operand with '%D'.
7521 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7523 * Makefile.in (final.o): Depend on debug.h.
7524 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7525 (dbx_debug_hooks): Add new hooks.
7526 (xcoff_debug_hooks): New.
7527 * debug.c (debug_nothing_file_int_int): New.
7528 (do_nothing_debug_hooks): Update.
7529 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7530 (debug_nothing_file_int_int): New.
7531 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7532 static, update prototype.
7533 (dwarf2_debug_hooks): Update.
7534 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7535 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7536 static, update prototype.
7537 (dwarf_debug_hooks): Update.
7538 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7539 * final.c: Include debug.h.
7540 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7541 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7542 static, update prototype.
7543 (sdb_debug_hooks): Update.
7544 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7545 * toplev.c: Distinguish between xcoff and dbx.
7547 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7548 Call all debug hooks, not just dwarf ones.
7550 2001-07-11 Timothy Wall <twall@redhat.com>
7552 * config.gcc: Add configuration for AIX5/IA64.
7553 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7554 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7555 support prefix/suffix code.
7556 * config/ia64/t-aix: New. Makefile fragment.
7557 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7559 2001-07-11 Kazu Hirata <kazu@hxi.com>
7561 * recog.c (validate_change): Fix a comment typo.
7563 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7565 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7566 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7568 * dbxout.c (dbx_debug_hooks): Add new hooks.
7569 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7571 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7573 * dbxout.h (dbxout_start_new_source_file,
7574 dbxout_resume_previous_source_file): Delete.
7575 * debug.c (do_nothing_debug_hooks): Add new hooks.
7576 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7577 (debug_nothing_int_charstar, debug_nothing_int): New.
7578 * debug.h (gcc_debug_hooks): New hooks define, undef,
7579 start_source_file and end_source_file.
7580 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7581 (debug_nothing_int_charstar, debug_nothing_int): New.
7582 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7583 the conditionally compiled section.
7584 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7585 dwarf2out_define, dwarf2out_undef): Make static.
7586 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7587 dwarf2out_define, dwarf2out_undef): Remove.
7588 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7589 (dwarfout_start_source_file, dwarfout_end_source_file,
7590 dwarfout_define, dwarfout_undef): Make static.
7591 (dwarfout_start_source_file_check,
7592 dwarfout_end_source_file_check): New.
7593 (dwarfout_define, dwarfout_finish): Update.
7594 * dwarfout.h (dwarfout_start_new_source_file,
7595 dwarfout_resume_previous_source_file, dwarfout_define,
7596 dwarfout_undef): Remove.
7597 * sdbout.c (sdb_debug_hooks): Add new hooks.
7598 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7600 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7601 make static, take an arg.
7602 * sdbout.h (sdbout_start_new_source_file,
7603 sdbout_resume_previous_source_file): Delete.
7604 * toplev.c (debug_start_source_file, debug_end_source_file,
7605 debug_define, debug_undef): Delete.
7606 * toplev.h (debug_start_source_file, debug_end_source_file,
7607 debug_define, debug_undef): Delete.
7609 * java/jcf-parse.c: Include debug.h.
7610 (parse_class_file): Update to use debug hooks directly.
7611 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7613 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7615 * alias.c (set_mem_alias_set): New function.
7616 * rtl.h (set_mem_alias_set): Declare it.
7617 * builtins.c (expand_builtin_return_addr): Call it instead of
7618 using MEM_ALIAS_SET accessor.
7619 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7620 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7621 (expand_builtin_va_copy):Likewise.
7622 * caller-save.c (setup_save_areas): Likewise.
7623 * calls.c (compute_argument_addresses): Likewise.
7624 * explow.c (set_mem_attributes): Likewise.
7625 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7626 (expand_assignment, store_constructor_field, store_field): Likewise.
7627 (expand_expr_unaligned): Likewise.
7628 * function.c (assign_stack_temp_for_type): Likewise.
7629 (put_reg_into_stack, gen_mem_addressof): Likewise.
7630 * ifcvt.c (noce_try_cmove_arith): Likewise.
7631 * reload1.c (reload, alter_reg): Likewise.
7632 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7633 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7634 (alpha_expand_unaligned_store): Likewise
7635 (alpha_expand_unaligned_load_words): Likewise.
7636 (alpha_expand_unaligned_store_words): Likewise.
7637 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7638 (alpha_expand_epilogue): Likewise.
7639 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7640 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7641 * config/i386/i386.c (legitimize_pic_address): Likewise.
7642 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7643 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7644 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7645 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7646 * config/mips/mips.c (mips_va_arg): Likewise.
7647 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7648 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7649 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7650 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7651 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7652 (rs6000_emit_epilogue): Likewise.
7653 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7654 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7655 * config/v850/v850.c (v850_va_arg): Likewise.
7657 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7659 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7660 when fallthru edge is present.
7661 (mege_blocks): Handle case where creation of jump insn
7664 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7665 CLEANUP_POST_REGSTACK): New constants.
7666 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7667 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7668 * output.h (cleanup_cfg): Update prototype.
7669 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7670 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7671 cleanup_cfg call; kill missleading comment.
7672 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7673 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7674 parameter; control optimizations performed using it.
7675 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7676 try_crossjump_bb): New functions.
7678 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7680 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7682 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7683 pa_output_function_prologue.
7684 * pa-protos.h (pa_output_function_prologue): New prototype.
7686 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7688 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7689 and low to get correct sign extension in low+high test.
7691 2001-07-11 Janis Johnson <janis@us.ibm.com>
7693 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7694 for large hit count.
7696 * profile.c (branch_prob): Fix .bbg info for computed gotos
7699 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7701 * stmt.c (parse_output_constraint): New function, split out
7703 (expand_asm_operands): ... here. Use parse_output_constraint.
7704 * tree.h (parse_output_constraint): Declare it.
7706 2001-07-11 Richard Henderson <rth@redhat.com>
7708 * bitmap.c: Comment some functions; fiddle whitespace.
7709 (bitmap_free): Don't export.
7710 (bitmap_element_allocate): Use memset.
7711 * bitmap.h (bitmap_free): Don't declare.
7713 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7715 * gcse.c, lcm.c, sched-deps.c:
7716 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7718 * flow.c (flow_loops_find): Free dom if we found no loops, since
7719 we aren't going to save it.
7721 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7724 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7726 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7728 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7730 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7731 #ifndef DWARF2_DEBUGGING_INFO.
7733 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7735 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7737 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7739 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7740 reverse a branch if a NE comparison is implemented with GTU.
7742 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7743 H.J. Lu <hjl@gnu.org>
7745 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7747 (call_internal2): Likewise.
7748 (call_value_internal1): Likewise.
7749 (call_value_internal2): Likewise.
7750 (call_value_multiple_internal1): Likewise.
7751 (call_value_multiple_internal2): Likewise.
7753 2001-07-10 Kazu Hirata <kazu@hxi.com>
7755 * calls.c (emit_library_call_value_1): Fix a comment typo.
7756 * dwarf2out.c (mem_loc_descriptor): Likewise.
7757 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7759 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7761 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7763 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7765 * recog.c (offsettable_address_p): Handle LO_SUM case.
7766 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7767 instead of plus_constant.
7769 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7771 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7772 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7774 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7776 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7777 adjust_address_nv instead of plus_constant.
7779 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7781 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7782 dwarf2out.o): Depend on debug.h, wrap long lines.
7783 * dbxout.c: Include debug.h.
7784 (dbx_debug_hooks): New.
7785 (dbxout_init): Make static, take just 2 args.
7786 (dbxout_finish): Make static.
7787 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7788 * debug.c: New file.
7789 * debug.h: New file.
7790 * dwarf2out.c: Include debug.h.
7791 (dwarf2_debug_hooks): New.
7792 (dwarf2out_init): Make static.
7793 (dwarf2out_finish): Make static, take 2 args.
7794 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7795 * dwarfout.c: Include debug.h.
7796 (dwarf_debug_hooks): New.
7797 (dwarfout_init): Make static.
7798 (dwarfout_finish): Make static, take 2 args.
7799 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7800 * sdbout.c: Include debug.h.
7801 (sdb_debug_hooks): New.
7802 (sdbout_init): Make static, take 2 args.
7803 * sdbout.h (sdbout_init): Delete.
7804 * toplev.c: Include debug.h.
7806 (compile_file): Set deubg_hooks based on command line options.
7807 Use the hooks unconditionally rather than conditional compilation.
7809 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7811 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7812 first_insn_after_basic_block_note instead.
7814 * df.c (df_bb_refs_unlink): #if 0 out for now.
7816 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7818 * ssa.h: Add prototype for ssa_const_prop
7819 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7820 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7821 (ssa_fast_dce): Remove unused variable
7823 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7825 * diagnostic.c (finish_diagnostic): Rename to
7826 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7829 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7831 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7834 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7835 (dump_file): Only pad the demangled name with spaces if the
7836 mangled name was padded with spaces.
7838 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7840 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7843 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7845 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7846 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7849 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7850 whether can put offset inside LO_SUM to check mode alignment, not size.
7852 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7854 * doc/tm.texi (Misc): Fix thinko.
7856 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7858 * regmove.c (replace_in_call_usage): Fix warnings.
7859 * sched-deps.c (add_dependence): Fix warnings.
7860 * simplify-rtx.c (simplify_subreg): Likewise.
7861 Return NULL_RTX instead of NULL.
7863 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7864 (subst_asm_stack_regs): Likewise.
7866 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7869 * dwarf2out.c (output_call_frame_info): Declare i as int.
7870 (build_abbrev_table): Declare n_alloc as int.
7871 (dwarf2out_finish): Initialize die.
7872 * except.c: Declare sjlj_funcdef_number as unsigned.
7873 (connect_post_landing_pads): Declare j as unsigned.
7874 (convert_to_eh_region_ranges): Initialize call_site.
7875 (output_function_exception_table): Initialize tt_format_size.
7876 * expr.c (move_by_pieces_1): Initialize to1.
7877 (store_constructor): Initialize minelt and maxelt.
7878 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7879 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7881 * c-decl.c (combine_parm_decls): Unused, remove.
7882 * c-tree.h: Remove prototype for combine_parm_decls.
7884 * reload.c (push_reload): Fix warning.
7885 (regno_clobbered_p): Likewise.
7886 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7887 (reload_combine): Likewise.
7889 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7890 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7892 * bitmap.c (bitmap_operation): Change user.
7893 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7895 2001-07-10 Eric Christopher <echristo@redhat.com>
7897 * config/mips/mips.c (override_options): Fix typo.
7899 2001-07-09 Stan Shebs <shebs@apple.com>
7901 * target.h (struct gcc_target): New fields init_builtins and
7903 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7904 (TARGET_EXPAND_BUILTIN): New macro.
7905 (TARGET_INITIALIZER): Add them.
7906 * builtins.c: Include target.h.
7907 (expand_builtin): Use targetm.expand_builtin.
7908 (default_init_builtins): New function.
7909 (default_expand_builtin): New function.
7910 * expr.h (default_init_builtins): Declare.
7911 (default_expand_builtin): Declare.
7912 * c-common.c (c_common_nodes_and_builtins): Use
7913 targetm.init_builtins.
7914 * defaults.h (MD_INIT_BUILTINS): Remove.
7915 * Makefile.in (builtins.o): Depend on target.h.
7917 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7918 (TARGET_EXPAND_BUILTIN): Define.
7919 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7920 (MD_EXPAND_BUILTIN): Remove.
7922 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7923 (TARGET_EXPAND_BUILTIN): Define.
7924 (c4x_init_builtins): Make endlink arg a local.
7925 (c4x_print_operand): Fix typos in adjust_address usages.
7926 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7927 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7928 (MD_EXPAND_BUILTIN): Remove.
7930 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7931 (TARGET_EXPAND_BUILTIN): Define.
7932 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7933 (ix86_init_builtins): Call new function only if TARGET_MMX.
7934 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7935 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7936 (MD_EXPAND_BUILTIN): Remove.
7938 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7939 (TARGET_EXPAND_BUILTIN): Define.
7940 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7941 (MD_EXPAND_BUILTIN): Remove.
7943 * doc/tm.texi: Document these changes.
7945 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7947 * basic-block.h (tree_node): Forward declare if needed.
7948 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7949 (BLOCK_HEAD_TREE): Define.
7950 (BLOCK_END_TREE): Define.
7951 (struct loops): Rename field 'tree' to 'tree_root'.
7952 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7954 (flow_loops_tree_build): Rename reference to field 'tree' to
7956 (flow_loops_level_compute): Ditto.
7957 * predict.c (estimate_bb_frequencies): Ditto.
7958 * tree.h (struct tree_common): Add field 'aux'.
7960 2001-07-09 Stan Shebs <shebs@apple.com>
7962 * config/darwin.c (darwin_encode_section_info): Don't mark any
7963 DECL_EXTERNAL node as defined.
7965 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7967 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7968 pa_free_machine_status, hppa_init_pic_save): Delete.
7969 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7970 (hppa_profile_hook): Use hppa_pic_save_rtx.
7971 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7972 hppa_init_pic_save): Delete.
7973 (hppa_pic_save_rtx): Declare.
7974 * pa.md (call, call_value, sibcall, sibcall_value,
7975 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7977 2001-07-09 Kazu Hirata <kazu@hxi.com>
7979 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7980 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7982 2001-07-09 Andreas Jaeger <aj@suse.de>
7984 * output.h: Add declaration of final_forward_branch_p.
7986 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7988 * varray.c: Include errors.h for internal_error and trim_filename
7991 * Makefile.in (varray.o): Add errors.h.
7993 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7995 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7996 * optabs.c (have_add2_insn): Check whether the add insn chosen
7997 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7998 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8000 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8002 * Makefile.in (OBJS): Add ssa-ccp.o
8003 (ssa-ccp.o): Add dependencies.
8004 * toplev.c (DFI_ssa_ccp): New dump file enum.
8005 (dump_file): Add entry for dumping after SSA CCP.
8006 (flag_ssa_ccp): New flag variable.
8007 (f_options): Add -fssa-ccp.
8008 (rest_of_compilation): Run SSA CCP if requested.
8009 * timevar.def (TV_SSA_CCP): New timevar.
8010 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8011 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8012 Fix minor typo in SSA DCE documentation.
8013 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8014 Add documentation for new dump option. Renumber dump files
8017 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8019 * emit-rtl.c (gen_highpart_mode): New.
8020 * rtl.h (gen_highpart_mode): Declare.
8021 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8022 operand can be VOIDmode constant.
8024 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8026 * flow.c (redirect_edge_and_branch_force): New.
8027 (can_fallthru): Ensure that basic blocks are succeeding.
8028 (try_optimize_cfg): Do not delete basic block if it is the last one.
8030 * flow.c (try_redirect_by_replacing_jump): Do not remove
8031 jumps with side effects, unlink chain on fallthru edge;
8032 set block for new jump instruction; avoid basic block to
8033 over by line number note.
8035 * flow.c (try_simplify_condjump): Verify that the condjump
8036 is not always falling trought.
8039 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8041 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8042 (try_redirect_by_replacing_jump): Update properly the count
8043 and frequency information.
8045 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8047 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8048 address that is a LO_SUM specially.
8049 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8051 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8053 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8054 (operand_subword): Use them.
8055 (change_address_1): Renamed from change_address; new arg VALIDATE.
8056 * expr.h: Reflect above changes; change_address now macro.
8057 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8059 * cselib.c (add_mem_for_addr): Likewise.
8060 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8061 * regmove.c (try_apply_stack_adjustment): Likewise.
8062 * reload.c (push_reload, make_memloc): Likewise.
8063 * reload1.c (eliminate_regs): Likewise.
8064 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8065 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8067 * combine.c (make_extraction, simplify_shift_const): Likewise.
8068 (gen_lowpart_for_combine): Likewise.
8069 * cse.c (gen_lowpart_if_possible): Likewise.
8070 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8071 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8072 * optabs.c (gen_move_insn): Likewise.
8073 * reload1.c (alter_reg): Likewise.
8074 * simplify-rtx.c (simplify_subreg): Likewise.
8075 * stmt.c (expand_anon_union_decl): Likewise.
8076 * recog.c (validate_replace_rtx_1): Likewise.
8078 * Makefile.in (recog.o): Add $(EXPR_H).
8079 * explow.c (stabilize): Call replace_equiv_address.
8080 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8081 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8083 2001-07-03 Andrew Haley <aph@redhat.com>
8085 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8086 the mode of the memory location.
8088 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8090 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8092 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8094 * final.c (output_addr_const): Use target opening and
8095 closing parentheses.
8096 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8097 defaults, add to TARGET_ASM_OUT.
8098 * target.h (struct gcc_target): Add open_paren and close_paren.
8099 * doc/md.texi: Update.
8100 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8101 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8102 TARGET_ASM_CLOSE_PAREN.
8103 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8105 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8107 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8108 * config/a29k/a29k.h: Similarly.
8109 * config/alpha/alpha.h: Similarly.
8110 * config/arc/arc.h: Similarly.
8111 * config/arm/aof.h: Similarly.
8112 * config/arm/aout.h: Similarly.
8113 * config/avr/avr.h: Similarly.
8114 * config/c4x/c4x.h: Similarly.
8115 * config/clipper/clipper.h: Similarly.
8116 * config/convex/convex.h: Similarly.
8117 * config/d30v/d30v.h: Similarly.
8118 * config/dsp16xx/dsp16xx.h: Similarly.
8119 * config/elxsi/elxsi.h: Similarly.
8120 * config/fr30/fr30.h: Similarly.
8121 * config/h8300/h8300.h: Similarly.
8122 * config/i370/i370.h: Similarly.
8123 * config/i386/i386.h: Similarly.
8124 * config/i860/i860.h: Similarly.
8125 * config/i960/i960.h: Similarly.
8126 * config/ia64/ia64.h: Similarly.
8127 * config/m32r/m32r.h: Similarly.
8128 * config/m68hc11/m68hc11.h: Similarly.
8129 * config/m68k/m68k.h: Similarly.
8130 * config/m88k/m88k.h: Similarly.
8131 * config/mcore/mcore.h: Similarly.
8132 * config/mips/mips.h: Similarly.
8133 * config/mn10200/mn10200.h: Similarly.
8134 * config/mn10300/mn10300.h: Similarly.
8135 * config/ns32k/ns32k.h: Similarly.
8136 * config/pa/pa.h: Similarly.
8137 * config/pdp11/pdp11.h: Similarly.
8138 * config/pj/pj.h: Similarly.
8139 * config/romp/romp.h: Similarly.
8140 * config/rs6000/rs6000.h: Similarly.
8141 * config/sh/sh.h: Similarly.
8142 * config/sparc/sparc.h: Similarly.
8143 * config/v850/v850.h: Similarly.
8144 * config/vax/vax.h: Similarly.
8145 * config/we32k/we32k.h: Similarly.
8147 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8149 * doc/c-tree.texi: Document representation of attributes.
8151 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8153 * doc/tm.texi: Update some places for the rename of target to
8156 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8158 * target.h (struct gcc_target): Add insert_attributes.
8159 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8160 (TARGET_INITIALIZER): Update.
8161 * tree.c, tree.h (default_insert_attributes): New function.
8162 Update comments on other default functions to refer to targetm,
8164 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8165 TARGET_INSERT_ATTRIBUTES.
8166 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8167 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8168 Don't use PRAGMA_INSERT_ATTRIBUTES.
8169 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8170 * c-decl.c (start_decl, start_function): Don't call
8171 SET_DEFAULT_DECL_ATTRIBUTES.
8172 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8173 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8175 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8176 (c4x_check_attribute): Avoid modifying attribute list itself.
8177 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8179 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8180 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8182 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8183 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8185 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8186 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8188 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8189 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8190 Adjust parameters. Make static.
8192 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8194 * c-common.c (decl_attributes): Only take a single attributes
8196 * c-common.h (decl_attributes): Update prototype.
8197 * c-decl.c (start_decl, start_function): Only take a single
8198 attributes parameter. Update calls to decl_attributes.
8199 (finish_struct, finish_enum): Update calls to decl_attributes.
8200 (push_parm_decl): Expect unified list of attributes. Update call
8202 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8203 notype_nested_function, component_declarator,
8204 component_notype_declarator, label): Update calls to
8206 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8207 lists that are passed to push_parm_decl.
8208 * c-tree.h (start_function, start_decl): Update prototypes.
8209 * config/sh/sh-protos.h, config/sh/sh.c
8210 (sh_pragma_insert_attributes): Only take a single attributes
8212 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8213 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8214 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8215 build_module_descriptor, generate_static_references,
8216 generate_strings, build_selector_translation_table,
8217 generate_descriptor_table, generate_protocols,
8218 generate_ivars_list, generate_dispatch_table,
8219 generate_protocol_list, generate_category,
8220 generate_shared_structures, really_start_method, add_objc_decls,
8221 generate_classref_translation_entry): Update calls to start_decl
8223 (build_tmp_function_decl, start_method_def): Unify attribute lists
8224 that are passed to push_parm_decl.
8226 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8228 * final.c (no_asm_to_stream): New.
8229 (final_scan_insn): Use target structures for prologue ends
8230 and epilogue starts.
8231 * output.h (no_asm_to_stream): New.
8232 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8233 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8234 (TARGET_ASM_OUT): Update.
8235 * target.h (struct gcc_target): New members function_end_prologue
8236 and function_begin_epilogue.
8237 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8238 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8239 * config/alpha/alpha.c (output_end_prologue): Rename to
8240 alpha_output_function_end_prologue. Use in target struct
8242 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8243 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8244 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8245 ia64_output_function_end_prologue. Use in target struct
8247 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8248 mistyped prototypes.
8249 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8250 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8252 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8253 an use in target struct, make static.
8254 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8257 2001-07-08 Richard Henderson <rth@redhat.com>
8259 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8261 2001-07-08 Richard Henderson <rth@redhat.com>
8263 * config/i386/i386.md: Remove constraints strings from define_split
8264 and define_peephole2 patterns.
8265 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8266 (eh_return): Use them.
8268 2001-07-08 Richard Henderson <rth@redhat.com>
8270 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8271 Document MD_FALLBACK_FRAME_STATE_FOR.
8273 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8275 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8276 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8278 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8280 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8282 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8283 of the label inside NAME as opposed to just the end of NAME.
8285 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8287 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8288 * config/alpha/alpha.c (alpha_init_machine_status,
8289 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8290 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8291 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8292 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8294 2001-07-06 Stan Shebs <shebs@apple.com>
8296 * target.h (targetm): Rename global from "target", so as not to
8297 conflict with local variables.
8299 * c-typeck.c: Ditto.
8303 * cp/decl2.c: Ditto.
8304 * cp/typeck.c: Ditto.
8305 * 1750a/1750a.c: Ditto.
8306 * a29k/a29k.c: Ditto.
8310 * clipper/clipper.c: Ditto.
8311 * convex/convex.c: Ditto.
8312 * d30v/d30v.c: Ditto.
8313 * dsp16xx/dsp16xx.c: Ditto.
8314 * elxsi/elxsi.c: Ditto.
8315 * fr30/fr30.c: Ditto.
8316 * h8300/h8300.c: Ditto.
8317 * i370/i370.c: Ditto.
8318 * i386/i386.c: Ditto.
8319 * i860/i860.c: Ditto.
8320 * i960/i960.c: Ditto.
8321 * ia64/ia64.c: Ditto.
8322 * m32r/m32r.c: Ditto.
8323 * m68hc11/m68hc11.c: Ditto.
8324 * m68k/m68k.c: Ditto.
8325 * m88k/m88k.c: Ditto.
8326 * mips/mips.c: Ditto.
8327 * ns32k/ns32k.c: Ditto.
8329 * pdp11/pdp11.c: Ditto.
8330 * romp/romp.c: Ditto.
8331 * rs6000/rs6000.c: Ditto.
8333 * sparc/sparc.c: Ditto.
8335 * we32k/we32k.c: Ditto.
8336 * doc/tm.texi: Update the manual to match.
8338 2001-07-06 Richard Henderson <rth@redhat.com>
8340 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8341 DWARF2_UNWIND_INFO not just whether it is defined.
8343 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8345 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8346 call to simplify_binary_operation returns a new pattern.
8348 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8350 * glimits.h (__SHRT_MAX__): New.
8351 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8352 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8354 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8356 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8359 2001-07-06 Richard Henderson <rth@redhat.com>
8361 * bitmap.c (bitmap_release_memory): Move adjacent to the
8362 allocation functions.
8363 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8364 the implementation. Binary search for the set bit.
8365 (bitmap_union_of_diff): Allocate the temporary on the stack
8366 instead of using xmalloc.
8368 2001-07-06 Richard Henderson <rth@redhat.com>
8370 * genrecog.c (validate_pattern): Warn for constraints in
8371 define_{expand,split,peephole2}. Remove strict_low_part
8372 before looking up match_dup.
8374 2001-07-06 DJ Delorie <dj@redhat.com>
8376 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8377 chapter about various build hints and history. Add section
8378 talking about the various types of native and cross builds.
8380 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8382 * Makefile.in (final.o): Depend on target.h.
8383 * final.c: Include target.h.
8384 (default_function_pro_epilogue): New.
8385 (final_start_function): Use target structure for function prologues.
8386 (final_end_function): Use target structure for function epilogues.
8387 * fold-const.c (real_hex_to_f): Constify s and p.
8388 * output.h (default_function_pro_epilogue): New.
8389 * real.h (real_hex_to_f): Update prototype.
8390 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8391 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8392 (TARGET_INITIALIZER): Update.
8393 * target.h (gcc_target): Add struct asm_out.
8394 * doc/tm.texi: Update.
8397 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8398 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8399 in cpu/cpu.c, or rename old functions consistently. Take
8400 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8401 redundant macros and prototypes. Make new functions static.
8403 * 1750a/1750a.c: Similarly.
8404 * 1750a/1750a.h: Similarly.
8405 * a29k/a29k-protos.h: Similarly.
8406 * a29k/a29k.c: Similarly.
8407 * a29k/a29k.h: Similarly.
8408 * arc/arc-protos.h: Similarly.
8409 * arc/arc.c: Similarly.
8410 * arc/arc.h: Similarly.
8411 * arm/arm-protos.h: Similarly.
8412 * arm/arm.c: Similarly.
8413 * arm/arm.h: Similarly.
8414 * avr/avr-protos.h: Similarly.
8415 * avr/avr.c: Similarly.
8416 * avr/avr.h: Similarly.
8417 * clipper/clipper-protos.h: Similarly.
8418 * clipper/clipper.c: Similarly.
8419 * clipper/clipper.h: Similarly.
8420 * convex/convex.c: Similarly.
8421 * convex/convex.h: Similarly.
8422 * d30v/d30v-protos.h: Similarly.
8423 * d30v/d30v.c: Similarly.
8424 * d30v/d30v.h: Similarly.
8425 * d30v/d30v.md: Similarly.
8426 * dsp16xx/dsp16xx-protos.h: Similarly.
8427 * dsp16xx/dsp16xx.c: Similarly.
8428 * dsp16xx/dsp16xx.h: Similarly.
8429 * elxsi/elxsi.c: Similarly.
8430 * elxsi/elxsi.h: Similarly.
8431 * fr30/fr30.c: Similarly.
8432 * fr30/fr30.md: Similarly.
8433 * h8300/h8300-protos.h: Similarly.
8434 * h8300/h8300.c: Similarly.
8435 * h8300/h8300.h: Similarly.
8436 * i370/i370-protos.h: Similarly.
8437 * i370/i370.c: Similarly.
8438 * i370/i370.h: Similarly.
8439 * i386/i386.c: Similarly.
8440 * i386/osf1elf.h: Similarly.
8441 * i386/osfrose.h: Similarly.
8442 * i860/i860-protos.h: Similarly.
8443 * i860/i860.c: Similarly.
8444 * i860/i860.h: Similarly.
8445 * i960/i960-protos.h: Similarly.
8446 * i960/i960.c: Similarly.
8447 * i960/i960.h: Similarly.
8448 * ia64/ia64-protos.h: Similarly.
8449 * ia64/ia64.c: Similarly.
8450 * ia64/ia64.h: Similarly.
8451 * m32r/m32r-protos.h: Similarly.
8452 * m32r/m32r.c: Similarly.
8453 * m32r/m32r.h: Similarly.
8454 * m68hc11/m68hc11-protos.h: Similarly.
8455 * m68hc11/m68hc11.c: Similarly.
8456 * m68hc11/m68hc11.h: Similarly.
8457 * m68k/crds.h: Similarly.
8458 * m68k/dpx2.h: Similarly.
8459 * m68k/m68k-protos.h: Similarly.
8460 * m68k/m68k.c: Similarly.
8461 * m68k/m68k.h: Similarly.
8462 * m68k/news.h: Similarly.
8463 * m88k/m88k-protos.h: Similarly.
8464 * m88k/m88k.c: Similarly.
8465 * m88k/m88k.h: Similarly.
8466 * mips/mips-protos.h: Similarly.
8467 * mips/mips.c: Similarly.
8468 * mips/mips.h: Similarly.
8469 * ns32k/merlin.h: Similarly.
8470 * ns32k/ns32k.c: Similarly.
8471 * ns32k/ns32k.h: Similarly.
8472 * ns32k/tek6000.h: Similarly.
8473 * pa/pa-protos.h: Similarly.
8474 * pa/pa.c: Similarly.
8475 * pa/pa.h: Similarly.
8476 * pdp11/2bsd.h: Similarly.
8477 * pdp11/pdp11-protos.h: Similarly.
8478 * pdp11/pdp11.c: Similarly.
8479 * pdp11/pdp11.h: Similarly.
8480 * romp/romp-protos.h: Similarly.
8481 * romp/romp.c: Similarly.
8482 * romp/romp.h: Similarly.
8483 * rs6000/rs6000-protos.h: Similarly.
8484 * rs6000/rs6000.c: Similarly.
8485 * rs6000/rs6000.h: Similarly.
8486 * rs6000/sysv4.h: Similarly.
8487 * sh/sh-protos.h: Similarly.
8488 * sh/sh.c: Similarly.
8489 * sh/sh.h: Similarly.
8490 * sparc/sparc-protos.h: Similarly.
8491 * sparc/sparc.c: Similarly.
8492 * sparc/sparc.h: Similarly.
8493 * vax/vax.c: Similarly.
8494 * vax/vax.h: Similarly.
8495 * vax/vms.h: Similarly.
8496 * we32k/we32k.c: Similarly.
8497 * we32k/we32k.h: Similarly.
8499 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8501 * basic-block.h (first_insn_after_basic_block_note): Declare.
8502 * flow.c (first_insn_after_basic_block_note): Define. Moved
8504 * ssa.c (first_insn_after_basic_block_note): Remove.
8505 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8507 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8508 nodes when we find a dead conditional branch. Insert BARRIERs
8509 after any blocks with no successors, but which do not have
8512 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8514 * varray.c (varray_check_failed): Use internal_error.
8516 2001-07-05 Andrew Haley <aph@redhat.com>
8518 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8519 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8520 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8522 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8524 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8525 reference if the target constant is also a SYMBOL_REF.
8527 2001-07-05 Eric Christopher <echristo@redhat.com>
8529 * config/mips/mips.h (MASK_MIPS3900): Remove.
8530 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8531 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8532 (TARGET_MIPS3900): Change to use mips_arch.
8533 (TARGET_MIPS4000): New.
8534 (TARGET_MIPS4100): New.
8535 (TARGET_MIPS4300): New.
8536 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8537 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8539 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8540 (ISA_HAS_BRANCHLIKELY): To here.
8541 (CC1_CPU_SPEC): New.
8542 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8543 (mips_arch_string): Declare.
8544 (mips_arch): Declare.
8545 (TARGET_OPTIONS): Add -march and -mtune.
8547 * config/mips/mips.c (mips_arch_string): New.
8549 (override_options): Handle -march for codegen and -mtune
8550 for scheduling. Use mips_arch. Move tx39 target default here.
8551 (mips_parse_cpu): Move error message to override_options.
8553 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8555 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8557 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8558 (MIPS Options): Ditto. Change mcpu entry to historical text.
8560 2001-07-05 H.J. Lu (hjl@gnu.org)
8562 * config/mips/mips.c (mips_parse_cpu): New function to parse
8565 2001-07-05 Jim Wilson <wilson@redhat.com>
8567 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8568 * config/ia64/t-ia64: Likewise.
8569 (LIB1ASMFUNCS): Update comment.
8571 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8573 * doc/install.texi (Install GCC: Binaries): Fix typo.
8575 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8577 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8578 reference using the stack pointer, adjust it since we push Y
8580 ("*ashrsi3"): Likewise.
8581 ("*lshrsi3"): Likewise.
8583 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8585 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8586 when -fomit-frame-pointer is used.
8588 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8590 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8591 (try_redirect_by_replacing_jump): Reverse updating properly the
8592 count and frequency information. Reverse removing cc0 setter.
8593 (forwarder_block_p): Reverse fixing for fallthru blocks.
8595 2001-07-05 DJ Delorie <dj@redhat.com>
8597 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8598 (translate_options): If the above is defined, use it to map
8599 given options to new options.
8600 * doc/tm.texi: Document it.
8602 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8603 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8605 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8606 cause programs using computed gotos to run more slowly.
8608 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8610 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8612 Consistently require binutils 2.11.2, not prereleases.
8613 (Specific, decstation-*): Canonicalize as mips-dec-*.
8614 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8616 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8617 (Specific, mips-*): Reword MIPS C compiler requirements.
8618 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8619 (Specific, sunv5): Removed, obsolete.
8621 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8623 * dwarf2out.c (output_loc_list): Use an all ones mask for
8624 .text asm output and don't rely on long long
8625 literals. Reformat some long lines.
8627 2001-07-05 Andreas Jaeger <aj@suse.de>
8629 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8632 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8634 * dwarf2out.c (dwarf2out_define): Update comment.
8635 (dwarf2out_undef): Ditto.
8636 (dwarf2out_start_source_file): Ditto.
8637 (dwarf2out_end_source_file): Ditto.
8638 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8639 since we never call the start/end debug hook for the primary file.
8641 2001-07-04 Kazu Hirata <kazu@hxi.com>
8643 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8646 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8648 * cppinit.c (remove_dup_dirs): Inform if a system include
8649 directory is being reordered.
8650 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8652 * doc/cpp.texi (Search Paths): Likewise.
8653 * doc/gcc.texi (Interoperation): Remove information about
8656 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8658 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8659 (VARRAY_TOP_CHAR_PTR): Likewise.
8661 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8663 * gcc.c (process_command): Don't assign elements of a const char*.
8665 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8667 * emit-rtl.c (change_address): Don't abort if invalid address while
8668 reload is in progress.
8670 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8672 * c-lex.c (cb_file_change): Pass line number to
8673 debug_start_source_file.
8674 (cb_undefine): Pass correct line number to debug_undef.
8676 * toplev.c (debug_start_source_file): Add line number to
8677 parameters. Pass it along to dwarf2out_start_source_file.
8678 (decode_g_option): Stop resetting debug level back to normal when
8679 we change debug formats, unless the current level is
8680 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8683 * toplev.h (debug_start_source_file): Add line number to
8686 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8689 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8691 Output debug_macinfo data for starting file if requested.
8692 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8694 (dwarf2out_define): Output debug_macinfo data for defining a macro
8696 (dwarf2out_undef): Output debug_macinfo data for undefining a
8698 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8699 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8700 (macinfo_section_label): New. DWARF2 macro info section label.
8701 (dwarf2out_init): If we want macro info, output the start label
8703 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8704 attribute to the compilation unit die pointing to the macro info.
8706 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8708 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8709 DWARF2_DEBUGGING_INFO.
8710 (add_loc_descr_to_loc_list): Ditto.
8711 (output_loc_list): Ditto.
8712 Also, fix thinko in curr not being initialized.
8713 (gen_internal_sym): Ditto.
8715 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8717 * emit-rtl.c (replace_equiv_address): New function.
8718 * expr.h (replace_equiv_address): New declaration.
8719 * explow.c (validize_mem): Call it instead of change_address and
8720 also call if -fforce-addr and address is constant.
8721 * expr.c: Replace more calls to change_address with adjust_address
8722 and/or replace_equiv_address or to validize_mem.
8723 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8724 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8725 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8726 * config/i370/i370.md, config/i860/i860.md: Likewise.
8727 * config/i960/i960.md, config/mips/mips.c: Likewise.
8728 * config/mips/mips.md, config/pa/pa.md: Likewise.
8729 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8730 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8732 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8734 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8736 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8739 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8741 * doc/include: New directory.
8742 * doc/fdl.texi: Move to doc/include/fdl.texi.
8743 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8744 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8745 * doc/gcc.texi: Use funding.texi and gpl.texi.
8746 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8747 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8748 Update dependencies and use -I $(docdir)/include.
8750 2001-07-04 Anthony Green <green@redhat.com>
8752 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8754 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8756 * doc/install.texi (sparc64-*-*): Remove garbage.
8758 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8760 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8761 Fix typo in last change to use adjust_address.
8763 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8765 * doc/install.texi (Specific): Update information for *-*-solaris*.
8767 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8769 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8771 2001-07-03 Stan Shebs <shebs@apple.com>
8773 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8774 case for flag_no_mach_text_sections.
8775 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8776 * config/darwin.c (flag_no_mach_text_sections): Remove.
8777 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8779 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8781 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8782 and avoid checking for constant as first operand.
8783 * recog.c (find_constant_term_loc): No longer static.
8784 (adj_offettable_operand): Delete.
8785 * rtl.h (adj_offsettable_operand): Delete declaration.
8786 (find_constant_term): Add declaration.
8787 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8789 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8790 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8791 * config/i386/i386.c, config/i386/i386.md: Likewise.
8792 * config/i860/i860.c, config/i960/i960.c: Likewise.
8793 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8794 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8795 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8796 * config/mips/mips.c, config/mips/mips.md: Likewise.
8797 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8798 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8799 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8800 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8801 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8802 * config/ns32k/ns32k.md: Likewise.
8804 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8806 * rtl.c (copy_rtx): Handle 'T' format letter.
8807 * gensupport.c (collect_insn_data): Likewise.
8808 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8810 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8812 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8813 -B option. Use 'dir' not 'foo' as example directory name.
8815 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8817 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8818 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8820 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8822 * doc/cppinternals.texi: Improve formatting and logical markup.
8824 2001-07-03 Andreas Jaeger <aj@suse.de>
8826 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8828 * genrecog.c (write_header): Include reload.h for prototypes in
8831 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8834 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8835 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8836 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8837 i386_pe_valid_type_attribute_p): Add.
8838 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8839 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8841 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8843 * explow.c (plus_constant_wide, case LO_SUM): New case.
8844 (plus_constant_for_output_wide): Delete.
8845 * rtl.h (plus_constant_for_output): Delete.
8846 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8847 instead of plus_constant_for_output.
8848 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8849 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8850 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8851 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8852 * config/sparc/sparc.md: Likewise.
8853 Convert some change_address calls to adjust_address.
8855 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8857 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8858 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8859 documentation of -std and -Wwrite-strings.
8861 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8863 * cse.c (canon_hash): Don't register registers in very small
8864 register classes, as extending their lifetime might cause
8867 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8869 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8871 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8872 (try_redirect_by_replacing_jump): Update properly the count
8873 and frequency information.
8875 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8877 * toplev.c (dump_file_index): Move SSA dumps just after first
8879 (dump_file): Corresponding changes.
8880 (rest_of_compilation): Move SSA path to just after the first
8882 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8883 * doc/invoke.texi: Update dump file #s as they were completely
8884 out of date with reality.
8886 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8888 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8890 * expr.c (emit_move_insn_1): Deal with non-default
8893 * expr.c (emit_single_push_insn): Fix warning.
8895 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8897 * expr.c (emit_move_insn_1): Avoid modifying
8898 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8900 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8902 * emit-rtl.c (adjust_address): New function.
8903 * expr.h (adjust_address): Add declaration.
8904 * builtins.c: Replace some calls to change_address with calls to it
8906 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8907 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8908 * config/arm/arm.c, config/convex/convex.c: Likewise.
8909 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8910 * config/i386/i386.c, config/i386/i386.md: Likewise.
8911 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8912 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8913 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8914 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8915 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8917 2001-07-02 Jim Wilson <wilson@redhat.com>
8919 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8921 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8923 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8924 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8926 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8928 * cppinit.c (lang_defaults): New table.
8929 (set_lang): Just read from lang_defaults into the live options
8932 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8934 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8935 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8936 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8938 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8940 * doc/install.texi: Various spelling and markup fixes.
8941 (Installing GCC): Component specific installation instructions are
8944 Warn about removing old install dir in the presence of shared libs.
8945 (Configuration): Invoke with options target to match configure
8947 Consistently refer to gas, gld pathnames.
8948 Invert --enable-multilib documentation.
8949 Remove references to old compiler versions.
8951 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8953 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8955 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8957 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8959 (Specific, mips*-sgi-irix5): Note IDO download.
8960 Reworded MIPS C hints.
8961 Use GNU as instead of GAS.
8963 Removed SGI Freeware reference, IRIX 6 only.
8964 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8965 Note N64 library requirement/workaround.
8967 Complete list of structure passing bug victims.
8969 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8971 * doc/install.texi: Remove CVS Id.
8973 2001-07-02 Andreas Jaeger <aj@suse.de>
8975 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8976 (find_inherently_necessary): Remove unused variable.
8978 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8980 * c-common.h (TDI_inlined): New ast dump phase.
8981 (dump_flag_name): New function.
8982 * c-dump.c (dump_files): Add inlined phase.
8983 (dump_flag_name): Define.
8984 * doc/invoke.texi (-fdump-ast-inlined): Document.
8986 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8988 * stor-layout.c (layout_decl): Revert change to handling of alignment
8991 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8993 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8996 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8998 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9001 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9003 * tlink.c (recompile_files): Remove COMPILER_PATH and
9004 LIBRARY_PATH from the environment.
9006 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9008 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9009 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9011 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9013 * c-parse.in (OBJC_STRING): Kill.
9014 (objc_string): Decompose to [objc_string] '@' STRING.
9015 (reswords): Take the leading '@' off all the Objective C keywords.
9016 (objc_rid_sans_at): Kill.
9017 (init_reswords): Don't initialize it.
9018 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9019 (_yylex): Kill reconsider label. Look ahead one token after
9020 an '@'; if we get an identifier, check whether it's an
9021 Objective C @-keyword. If so, return the keyword. Otherwise,
9022 put back the token and return the '@' as a terminal.
9024 * cpplib.c (lex_macro_node): Remove unnecessary check for
9025 leading '@' on identifier. Clarify control flow and commentary.
9027 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9029 * cse.c (new_label_ref): Variable deleted.
9030 (insert): Remove set of new_label_ref.
9031 (check_for_label_ref): New function.
9032 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9034 See ChangeLog.5 for earlier changes.